/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors - Purple */
    --primary-50: #F4F0E8;
    --primary-100: #E9E4F5;
    --primary-200: #D4C9EB;
    --primary-300: #BFAEE1;
    --primary-400: #AA93D7;
    --primary-500: #6D4BA8;
    --primary-600: #5E4296;
    --primary-700: #4F3984;
    --primary-800: #403072;
    --primary-900: #312760;
    
    /* Secondary */
    --secondary-500: #796A95;
    
    /* Text Colors */
    --text-primary: #0A0A0A;
    --text-secondary: rgba(10, 10, 10, 0.70);
    --text-tertiary: rgba(10, 10, 10, 0.50);
    --text-disabled: rgba(10, 10, 10, 0.38);
    
    /* Background & Surface */
    --bg-main: #FDFCFA;
    --bg-surface: #F9F7F3;
    --bg-white: #FFFFFF;
    --on-primary: #FDFCFA;
    
    /* Grey Scale */
    --grey-50: #F9F7F1;
    --grey-100: #F4F0E8;
    --grey-200: #E9E4F5;
    --grey-300: #D4C9EB;
    --grey-500: #796A95;
    
    /* Semantic */
    --error: #b00020;
    --success: #4caf50;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(10, 10, 10, 0.1);
    --shadow-sm: 0 1px 3px rgba(10, 10, 10, 0.2);
    --shadow-md: 0 2px 6px rgba(10, 10, 10, 0.15);
    --shadow-lg: 0 3px 12px rgba(10, 10, 10, 0.12);
    
    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Spacing */
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    --transition: all 0.2s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-main);
    font-size: 16px;
    letter-spacing: 0.5px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
}

/* Extra large screens */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
        padding: 0 var(--space-xl);
    }
    
    .hero-title {
        font-size: 60px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .features-grid {
        gap: var(--space-xl);
    }
    
    .feature-card {
        padding: var(--space-xl) calc(var(--space-xl) + 8px);
    }
}

/* Navigation */
.navbar {
    background: rgba(253, 252, 250, 0.85);
    border-bottom: 1px solid rgba(233, 228, 245, 0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(253, 252, 250, 0.98);
    box-shadow: 0 4px 20px rgba(109, 75, 168, 0.08);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    height: 64px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.nav-brand .logo {
    height: 36px;
    width: 36px;
    border-radius: var(--radius-sm);
    transition: transform 0.3s ease;
}

.nav-brand:hover .logo {
    transform: scale(1.05);
}

.nav-brand .brand-name {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-sm);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: all 0.2s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-menu a:hover::after {
    width: calc(100% - 24px);
}

.nav-menu .nav-web-link {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--on-primary);
    font-weight: 600;
}

.nav-menu .nav-web-link:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--on-primary);
    box-shadow: 0 2px 8px rgba(109, 75, 168, 0.25);
}

.nav-menu .nav-web-link::after {
    display: none;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.mobile-menu-toggle:hover {
    background: var(--grey-100);
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.25px;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-500);
    color: var(--on-primary);
}

.btn-primary:hover {
    background: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 1px solid var(--grey-200);
}

.btn-secondary:hover {
    background: var(--grey-100);
    border-color: var(--grey-300);
}

.btn-create {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--on-primary);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(109, 75, 168, 0.2);
}

.btn-create:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    box-shadow: 0 4px 12px rgba(109, 75, 168, 0.3);
    transform: translateY(-1px);
}

.btn-login {
    color: var(--text-secondary);
    background: transparent;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.btn-login:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

.btn-signup {
    color: var(--on-primary);
    background: var(--primary-500);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.btn-signup:hover {
    background: var(--primary-600);
    box-shadow: 0 2px 8px rgba(109, 75, 168, 0.25);
}

.btn-large {
    padding: var(--space-sm) var(--space-lg);
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Hero Section */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-surface) 100%);
    overflow: hidden;
    min-height: auto;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(109, 75, 168, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(109, 75, 168, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ========================================
   PRO HERO SECTION
   ======================================== */

.hero-pro {
    min-height: calc(100vh - 64px);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(109, 75, 168, 0.15), transparent),
        radial-gradient(ellipse 60% 50% at 100% 50%, rgba(109, 75, 168, 0.08), transparent),
        var(--bg-main);
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 60px 24px 32px;
    flex: 1;
}

/* Left Content */
.hero-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Entrance Animations */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(109, 75, 168, 0.1), rgba(109, 75, 168, 0.05));
    border: 1px solid rgba(109, 75, 168, 0.2);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-600);
    width: fit-content;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.1s;
}

.hero-headline {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -2px;
    color: var(--text-primary);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.2s;
}

.hero-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 480px;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.3s;
}

.hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.4s;
}

.hero-right {
    opacity: 0;
    animation: fadeInScale 0.8s ease forwards;
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.badge-icon {
    font-size: 14px;
}

.hero-highlight {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Actions */
.hero-actions {
    margin-top: 8px;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-500);
    color: white;
    padding: 16px 28px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(109, 75, 168, 0.35);
}

.btn-hero-primary:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(109, 75, 168, 0.45);
}

.btn-hero-primary svg {
    transition: transform 0.2s ease;
}

.btn-hero-primary:hover svg {
    transform: translateX(4px);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border-radius: 12px;
}

.btn-hero-secondary:hover {
    color: var(--primary-600);
    background: rgba(109, 75, 168, 0.08);
}

.btn-hero-secondary svg {
    color: var(--primary-500);
}

/* Proof Avatars - used in trust block */
.proof-avatars {
    display: flex;
}

.proof-avatars img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid var(--bg-main);
    margin-left: -10px;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.proof-avatars img:hover {
    transform: scale(1.1);
    z-index: 1;
}

.proof-avatars img:first-child {
    margin-left: 0;
}

.proof-stars {
    color: #FBBF24;
    font-size: 14px;
    letter-spacing: 1px;
}

/* Right Visual - Professional Flow Diagram */
.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-visual-flow {
    display: flex;
    align-items: center;
    gap: 48px;
    position: relative;
    width: 100%;
    max-width: 700px;
    padding: 40px 20px;
}

/* Background Glow Effects */
.flow-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
    pointer-events: none;
    animation: glowPulse 4s ease-in-out infinite;
}

.flow-glow-left {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #F472B6, #EC4899);
    left: 0;
    top: 20%;
}

.flow-glow-center {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #8B5CF6, #6D4BA8);
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 1s;
}

.flow-glow-right {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #34D399, #10B981);
    right: 0;
    bottom: 20%;
    animation-delay: 2s;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.1; transform: scale(1); }
    50% { opacity: 0.2; transform: scale(1.1); }
}

/* Flow Sections */
.flow-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 2;
}

/* Section Labels */
.input-label,
.center-label,
.output-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-600);
    text-align: center;
    margin-bottom: 8px;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.input-label {
    animation-delay: 0.2s;
}

.center-label {
    animation-delay: 0.5s;
}

.output-label {
    animation-delay: 0.8s;
}

/* Messy Input Notes */
.flow-inputs {
    flex: 1;
    align-items: flex-end;
}

.messy-note {
    background: white;
    padding: 14px;
    border-radius: 12px;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.06),
        0 8px 24px rgba(109, 75, 168, 0.08);
    border: 2px dashed rgba(109, 75, 168, 0.25);
    position: relative;
    width: 160px;
    transition: all 0.3s ease;
    opacity: 0;
    animation: messyAppear 0.6s ease forwards;
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
}

/* Connection lines from messy notes to logo */
.messy-note::after {
    content: '';
    position: absolute;
    width: 39px;
    height: auto;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-left: none;
    border-bottom: none;
    border-radius: 0 80px 0 0;
    top: auto;
    bottom: 24%;
    right: -42px;
    transform: none;
}


/* Curved lines for top and bottom cards */
.messy-note-1::after {
    width: 80px;
    height: 111px;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-left: none;
    border-bottom: none;
    border-radius: 0 80px 0 0;
    top: auto;
    bottom: -75px;
    right: -83px;
    transform: none;
}

.messy-note-3::after {
    width: 80px;
    height: 74px;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-left: none;
    border-top: none;
    border-radius: 0 0 80px 0;
    top: -6px;
    bottom: auto;
    right: -83px;
    transform: none;
}

.messy-note::before {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 6px;
    height: 6px;
    background: rgba(239, 68, 68, 0.4);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.3);
}

.messy-note-1 {
    transform: rotate(-3deg);
    animation-delay: 0.3s;
}

.messy-note-2 {
    transform: rotate(2deg);
    animation-delay: 0.4s;
}

.messy-note-3 {
    transform: rotate(-2deg);
    animation-delay: 0.5s;
}

.messy-note:hover {
    transform: rotate(0deg) translateY(-4px) scale(1.02);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.08),
        0 12px 32px rgba(109, 75, 168, 0.12);
    border-color: var(--primary-400);
}

@keyframes messyAppear {
    from {
        opacity: 0;
        transform: translateX(-30px) rotate(-5deg);
    }
    to {
        opacity: 1;
        transform: translateX(0) rotate(-3deg);
    }
}

.messy-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px dashed rgba(109, 75, 168, 0.15);
}

.messy-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, rgba(109, 75, 168, 0.1), rgba(109, 75, 168, 0.05));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.messy-icon svg {
    width: 14px;
    height: 14px;
    color: var(--primary-600);
    stroke-width: 2;
}

.messy-title {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: 'Courier New', monospace;
}

.messy-content {
    display: flex;
    flex-direction: column;
    gap: 5px;
    position: relative;
}

/* Handwritten Lines */
.handwritten-line {
    height: 5px;
    background: linear-gradient(90deg, 
        rgba(109, 75, 168, 0.35) 0%, 
        rgba(109, 75, 168, 0.3) 50%, 
        rgba(109, 75, 168, 0.25) 100%
    );
    border-radius: 8px;
    position: relative;
    transform-origin: left;
    filter: blur(0.3px);
}

.handwritten-line:nth-child(1) {
    transform: rotate(-0.8deg);
}

.handwritten-line:nth-child(2) {
    transform: rotate(1.2deg);
}

.handwritten-line:nth-child(3) {
    transform: rotate(-0.5deg);
}

.handwritten-line:nth-child(4) {
    transform: rotate(0.9deg);
}

.handwritten-line:nth-child(5) {
    transform: rotate(-0.6deg);
}

.handwritten-line:nth-child(6) {
    transform: rotate(0.7deg);
}

.handwritten-line.short {
    margin-top: 3px;
    margin-bottom: 3px;
}

/* Yellow Highlight */
.yellow-highlight {
    position: absolute;
    top: 42px;
    left: 8px;
    width: 75%;
    height: 14px;
    background: rgba(251, 191, 36, 0.3);
    border-radius: 2px;
    filter: blur(1.5px);
    transform: rotate(-0.5deg);
    pointer-events: none;
}

/* Red Underline */
.red-underline {
    position: absolute;
    bottom: 28px;
    left: 5px;
    animation: underlineAppear 0.8s ease forwards;
    animation-delay: 1.2s;
    opacity: 0;
}

@keyframes underlineAppear {
    from {
        opacity: 0;
        transform: scaleX(0);
    }
    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

/* Handwritten Scribble */
.handwritten-scribble {
    position: absolute;
    bottom: 8px;
    right: 8px;
    animation: scribbleAppear 0.8s ease forwards;
    animation-delay: 1.5s;
    opacity: 0;
}

@keyframes scribbleAppear {
    from {
        opacity: 0;
        transform: scale(0.8) rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

/* Sketch Content for Image Card */
.sketch-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

.sketch-diagram {
    width: 100%;
    animation: diagramFloat 3s ease-in-out infinite;
}

@keyframes diagramFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

.sketch-diagram svg {
    filter: drop-shadow(0 1px 2px rgba(139, 92, 246, 0.1));
}

.sketch-labels {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    padding: 0 15px;
    margin-top: 4px;
}

.sketch-label-line {
    height: 4px;
    background: linear-gradient(90deg, 
        rgba(139, 92, 246, 0.3), 
        rgba(139, 92, 246, 0.15)
    );
    border-radius: 6px;
    transform-origin: left;
}

.sketch-label-line:nth-child(1) {
    transform: rotate(-0.8deg);
}

.sketch-label-line:nth-child(2) {
    transform: rotate(0.6deg);
}

/* Audio Wave Animation */
.audio-wave {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 40px;
    padding: 8px 0;
}

.audio-wave span {
    width: 3px;
    background: linear-gradient(180deg, var(--primary-500), var(--primary-300));
    border-radius: 2px;
    animation: audioWave 1.2s ease-in-out infinite;
}

.audio-wave span:nth-child(1) { height: 12px; animation-delay: 0s; }
.audio-wave span:nth-child(2) { height: 24px; animation-delay: 0.1s; }
.audio-wave span:nth-child(3) { height: 18px; animation-delay: 0.2s; }
.audio-wave span:nth-child(4) { height: 28px; animation-delay: 0.3s; }
.audio-wave span:nth-child(5) { height: 16px; animation-delay: 0.4s; }
.audio-wave span:nth-child(6) { height: 22px; animation-delay: 0.5s; }
.audio-wave span:nth-child(7) { height: 14px; animation-delay: 0.6s; }
.audio-wave span:nth-child(8) { height: 20px; animation-delay: 0.7s; }
.audio-wave span:nth-child(9) { height: 26px; animation-delay: 0.8s; }
.audio-wave span:nth-child(10) { height: 15px; animation-delay: 0.9s; }

@keyframes audioWave {
    0%, 100% { transform: scaleY(0.5); opacity: 0.5; }
    50% { transform: scaleY(1); opacity: 1; }
}

.audio-duration {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-align: center;
    font-family: 'Courier New', monospace;
    background: rgba(109, 75, 168, 0.05);
    padding: 4px 8px;
    border-radius: 4px;
    margin-top: 4px;
}

/* Center Logo with Rings */
.flow-center {
    position: relative;
    z-index: 10;
}

.logo-container {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    opacity: 0.3;
}

.logo-ring-1 {
    width: 100%;
    height: 100%;
    border-color: var(--primary-400);
    animation: ringPulse 3s ease-in-out infinite;
}

.logo-ring-2 {
    width: 120%;
    height: 120%;
    border-color: var(--primary-500);
    animation: ringPulse 3s ease-in-out infinite;
    animation-delay: 0.5s;
}

.logo-ring-3 {
    width: 140%;
    height: 140%;
    border-color: var(--primary-600);
    animation: ringPulse 3s ease-in-out infinite;
    animation-delay: 1s;
}

@keyframes ringPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.1;
    }
}

.logo-circle {
    width: 90px;
    height: 90px;
    background: #6A44B3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 8px 32px rgba(109, 75, 168, 0.4),
        0 0 0 8px rgba(109, 75, 168, 0.1),
        inset 0 2px 8px rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 2;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.logo-circle img {
    width: 52px;
    height: 52px;
    position: relative;
    z-index: 2;
}

/* Logo Sparkles */
.logo-sparkles {
    position: absolute;
    inset: 0;
}

.sparkle {
    position: absolute;
    font-size: 16px;
    animation: sparkleFloat 2s ease-in-out infinite;
}

.sparkle-1 {
    top: -10px;
    right: 10px;
    animation-delay: 0s;
}

.sparkle-2 {
    bottom: -10px;
    left: 10px;
    animation-delay: 0.7s;
}

.sparkle-3 {
    top: 50%;
    right: -15px;
    animation-delay: 1.4s;
}

@keyframes sparkleFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0.5);
    }
    50% {
        opacity: 1;
        transform: translateY(-10px) scale(1);
    }
}

/* Structured Outputs */
.flow-outputs {
    flex: 1;
    align-items: flex-start;
}

.output-card {
    background: white;
    padding: 12px 14px;
    border-radius: 12px;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.04),
        0 8px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(109, 75, 168, 0.08);
    display: flex;
    align-items: center;
    gap: 10px;
    width: 150px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    animation: outputSlideIn 0.6s ease forwards;
    position: relative;
    overflow: visible;
}

/* Connection lines from logo to output cards - using ::after */
.output-card::after {
    content: '';
    position: absolute;
    width: 44px;
    height: auto;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-right: none;
    border-bottom: none;
    border-radius: 80px 0 0 0;
    top: 50%;
    bottom: auto;
    left: -48px;
    transform: none;
}

/* Curved lines for top and bottom output cards */
.output-notes::after {
    width: 77px;
    height: 102px;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-right: none;
    border-bottom: none;
    border-radius: 80px 0 0 0;
    top: auto;
    bottom: -73px;
    left: -80px;
    transform: none;
}

.output-flashcards::after {
    width: 58px;
    height: 39px;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-right: none;
    border-bottom: none;
    border-radius: 60px 0 0 0;
    top: auto;
    bottom: -10px;
    left: -60px;
    transform: none;
}

.output-podcast::after {
    width: 56px;
    height: 40px;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-right: none;
    border-top: none;
    border-radius: 0 0 0 60px;
    top: -10px;
    bottom: auto;
    left: -60px;
    transform: none;
}

.output-mindmap::after {
    width: 89px;
    height: 100px;
    background: none;
    border: 1px dashed rgba(109, 75, 168, 0.6);
    border-right: none;
    border-top: none;
    border-radius: 0 0 0 80px;
    top: -71px;
    bottom: auto;
    left: -93px;
    transform: none;
}

.output-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--primary-500), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.output-card:hover {
    transform: translateX(6px);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.08),
        0 12px 32px rgba(109, 75, 168, 0.15);
    border-color: var(--primary-300);
}

.output-card:hover::before {
    opacity: 1;
}

.output-notes {
    animation-delay: 0.9s;
}

.output-notes::before {
    background: linear-gradient(180deg, transparent, #EC4899, transparent);
}

.output-flashcards {
    animation-delay: 1s;
}

.output-flashcards::before {
    background: linear-gradient(180deg, transparent, #8B5CF6, transparent);
}

.output-quiz {
    animation-delay: 1.1s;
}

.output-quiz::before {
    background: linear-gradient(180deg, transparent, #10B981, transparent);
}

.output-podcast {
    animation-delay: 1.2s;
}

.output-podcast::before {
    background: linear-gradient(180deg, transparent, #EF4444, transparent);
}

.output-mindmap {
    animation-delay: 1.3s;
}

.output-mindmap::before {
    background: linear-gradient(180deg, transparent, #F59E0B, transparent);
}

@keyframes outputSlideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.output-icon-wrapper {
    position: relative;
}

.output-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    transition: transform 0.3s ease;
}

.output-card:hover .output-icon {
    transform: scale(1.1) rotate(5deg);
}

.output-icon svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    position: relative;
    z-index: 2;
}

.output-notes .output-icon {
    background: linear-gradient(135deg, #F472B6, #EC4899);
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
    color: white;
}

.output-flashcards .output-icon {
    background: linear-gradient(135deg, #A78BFA, #8B5CF6);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
    color: white;
}

.output-quiz .output-icon {
    background: linear-gradient(135deg, #34D399, #10B981);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    color: white;
}

.output-podcast .output-icon {
    background: linear-gradient(135deg, #F87171, #EF4444);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    color: white;
}

.output-mindmap .output-icon {
    background: linear-gradient(135deg, #FBBF24, #F59E0B);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    color: white;
}

.output-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.output-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.output-badge {
    display: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-left {
        align-items: center;
    }
    
    .hero-headline {
        font-size: 44px;
    }
    
    .hero-description {
        max-width: 560px;
    }
    
    .hero-visual-flow {
        max-width: 600px;
        gap: 40px;
    }
    
    .messy-note,
    .output-card {
        width: 130px;
    }
    
    .logo-container {
        width: 90px;
        height: 90px;
    }
    
    .logo-circle {
        width: 80px;
        height: 80px;
    }
    
    .logo-circle img {
        width: 46px;
        height: 46px;
    }
}

@media (max-width: 768px) {
    .hero-visual-flow {
        flex-direction: column;
        gap: 48px;
        max-width: 100%;
        padding: 20px;
    }
    
    .flow-inputs,
    .flow-outputs {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 12px;
        width: 100%;
    }
    
    .flow-center {
        order: 2;
    }
    
    .flow-inputs {
        order: 1;
    }
    
    .flow-outputs {
        order: 3;
        flex-wrap: wrap;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .flow-arrows {
        display: none;
    }
    
    .flow-glow {
        display: none;
    }
    
    .messy-note {
        width: 140px;
    }
    
    .messy-note-3 {
        display: none;
    }
    
    .output-card {
        width: 150px;
    }
    
    .logo-container {
        width: 100px;
        height: 100px;
    }
    
    .logo-circle {
        width: 90px;
        height: 90px;
    }
    
    .logo-circle img {
        width: 52px;
        height: 52px;
    }
}

@media (max-width: 640px) {
    .hero-container {
        padding: 40px 20px;
        gap: 48px;
    }
    
    .hero-headline {
        font-size: 32px;
        letter-spacing: -1px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .hero-visual-flow {
        gap: 36px;
        padding: 10px;
    }
    
    .flow-inputs,
    .flow-outputs {
        gap: 10px;
    }
    
    .messy-note {
        width: 130px;
        padding: 12px;
    }
    
    .messy-header {
        margin-bottom: 10px;
        padding-bottom: 8px;
    }
    
    .messy-icon {
        width: 20px;
        height: 20px;
    }
    
    .messy-icon svg {
        width: 12px;
        height: 12px;
    }
    
    .messy-title {
        font-size: 9px;
    }
    
    .audio-wave {
        height: 32px;
    }
    
    .output-card {
        width: 140px;
        padding: 10px 12px;
    }
    
    .output-icon {
        width: 36px;
        height: 36px;
    }
    
    .output-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .output-title {
        font-size: 12px;
    }
    
    .output-desc {
        font-size: 9px;
    }
    
    .logo-container {
        width: 85px;
        height: 85px;
    }
    
    .logo-circle {
        width: 75px;
        height: 75px;
    }
    
    .logo-circle img {
        width: 44px;
        height: 44px;
    }
    
    .sparkle {
        font-size: 14px;
    }
    
    .input-label,
    .center-label,
    .output-label {
        font-size: 10px;
        letter-spacing: 1px;
    }
}

.hero-content-centered {
    text-align: center;
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.hero-title-centered {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.15;
    letter-spacing: -1.5px;
    color: var(--text-primary);
}

.hero-title-centered .highlight {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-centered .hero-with {
    font-size: 0.5em;
    font-weight: 400;
    color: var(--text-tertiary);
}

.hero-subtitle-centered {
    font-size: 18px;
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 400;
}

.hero-cta-centered {
    display: flex;
    justify-content: center;
}

.hero-cta-centered .btn-primary {
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(109, 75, 168, 0.3);
    border-radius: var(--radius-md);
}

.hero-cta-centered .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(109, 75, 168, 0.4);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.hero-stat {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.hero-stat-dot {
    color: var(--text-tertiary);
    font-size: 10px;
}

/* Legacy hero styles (keeping for reference) */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    color: var(--primary-600);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    border: 1px solid var(--primary-200);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--text-primary);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .hero-with {
    font-size: 0.5em;
    font-weight: 400;
    color: var(--text-tertiary);
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 400;
}

.hero-description {
    font-size: 15px;
    margin-bottom: var(--space-xl);
    color: var(--text-tertiary);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
}

.hero-cta .btn-primary {
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(109, 75, 168, 0.3);
}

.hero-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(109, 75, 168, 0.4);
}

.hero-cta .btn-secondary {
    background: var(--bg-white);
    color: var(--primary-600);
    border: 2px solid var(--primary-200);
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
}

.hero-cta .btn-secondary:hover {
    background: var(--primary-50);
    border-color: var(--primary-300);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 450px;
}

.hero-mockup-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-browser {
    position: relative;
    width: 100%;
    max-width: 580px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    z-index: 2;
    transition: var(--transition);
}

.hero-browser:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(10, 10, 10, 0.15);
}

.browser-chrome {
    background: var(--grey-100);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--grey-200);
}

.browser-chrome .browser-dots {
    display: flex;
    gap: 6px;
}

.browser-chrome .browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.browser-chrome .browser-dots span:nth-child(1) {
    background: #ec6a5e;
}

.browser-chrome .browser-dots span:nth-child(2) {
    background: #f4bf4f;
}

.browser-chrome .browser-dots span:nth-child(3) {
    background: #61c554;
}

.browser-chrome .browser-url {
    flex: 1;
    background: var(--bg-white);
    padding: 6px 10px;
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    font-size: 11px;
    border: 1px solid var(--grey-200);
    display: flex;
    align-items: center;
    gap: 6px;
}

.browser-chrome .browser-url::before {
    content: '🔒';
    font-size: 9px;
}

.browser-content {
    background: var(--bg-white);
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
}

.browser-screenshot {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: top center;
    background: var(--bg-white);
}

.browser-sidebar {
    width: 140px;
    background: var(--bg-white);
    border-right: 1px solid var(--grey-200);
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-item {
    padding: 6px 8px;
    border-radius: var(--radius-xs);
    background: var(--grey-50);
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sidebar-item.active {
    background: var(--primary-500);
    color: white;
}

.sidebar-item::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
}

.browser-main {
    flex: 1;
    padding: 12px;
    overflow: hidden;
}

.note-card {
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    padding: 10px;
    margin-bottom: 8px;
    border: 1px solid var(--grey-200);
}

.note-title {
    height: 10px;
    background: linear-gradient(90deg, var(--primary-500) 0%, var(--primary-400) 100%);
    border-radius: 2px;
    width: 60%;
    margin-bottom: 8px;
}

.note-text {
    height: 6px;
    background: var(--grey-200);
    border-radius: 2px;
    margin-bottom: 4px;
}

.note-text:last-child {
    width: 80%;
}

.hero-phone {
    position: absolute;
    right: -30px;
    bottom: 0;
    z-index: 3;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.25));
    transition: var(--transition);
}

.hero-phone:hover {
    transform: translateY(-6px);
}

.phone-frame {
    width: 160px;
    background: linear-gradient(145deg, #2d3748 0%, #1a202c 100%);
    border-radius: 32px;
    padding: 10px;
    position: relative;
}

.phone-notch {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 22px;
    background: #1a202c;
    border-radius: 0 0 16px 16px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: auto;
    aspect-ratio: 9 / 19.5;
    border-radius: 24px;
    background: var(--bg-white);
    overflow: hidden;
    position: relative;
}

.phone-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    border-radius: 24px;
}

.phone-header {
    background: var(--primary-500);
    padding: 32px 12px 12px;
    color: white;
}

.phone-time {
    font-size: 8px;
    text-align: center;
    margin-bottom: 12px;
    font-weight: 600;
}

.phone-title {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
}

.phone-content {
    background: white;
    flex: 1;
    padding: 10px;
    border-radius: 16px 16px 0 0;
    margin-top: -6px;
}

.phone-note {
    background: var(--grey-50);
    border-radius: 6px;
    padding: 8px;
    margin-bottom: 6px;
}

.phone-note-title {
    height: 12px;
    background: #8B5CF6;
    border-radius: 3px;
    width: 70%;
    margin-bottom: 8px;
}

.phone-note-text {
    height: 8px;
    background: #dee2e6;
    border-radius: 2px;
    margin-bottom: 6px;
}

.phone-note-text:last-child {
    width: 60%;
}

.phone-frame img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* Browser Mockup */
.browser-mockup {
    width: 100%;
    max-width: 560px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.15), 0 8px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.1);
    overflow: hidden;
    transition: var(--transition);
}

.browser-mockup:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 70px rgba(139, 92, 246, 0.2), 0 10px 30px rgba(0, 0, 0, 0.1);
}

.browser-bar {
    background: linear-gradient(180deg, #FAFAFA 0%, #F3F4F6 100%);
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    transition: var(--transition);
}

.browser-dots span:nth-child(1) {
    background: linear-gradient(135deg, #FF6B6B 0%, #EE5A52 100%);
    box-shadow: 0 1px 3px rgba(255, 107, 107, 0.3);
}

.browser-dots span:nth-child(2) {
    background: linear-gradient(135deg, #FFD93D 0%, #F6C23E 100%);
    box-shadow: 0 1px 3px rgba(255, 217, 61, 0.3);
}

.browser-dots span:nth-child(3) {
    background: linear-gradient(135deg, #6BCF7F 0%, #51B960 100%);
    box-shadow: 0 1px 3px rgba(107, 207, 127, 0.3);
}

.browser-url {
    flex: 1;
    background: white;
    padding: 0.5rem 0.875rem;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.browser-url::before {
    content: '🔒';
    font-size: 0.75rem;
    opacity: 0.7;
}

.browser-mockup img {
    width: 100%;
    height: auto;
    display: block;
    background: linear-gradient(180deg, #F9FAFB 0%, #FFFFFF 100%);
    image-rendering: -webkit-optimize-contrast;
}

/* Phone Mockup */
.phone-mockup {
    position: absolute;
    right: -2rem;
    bottom: 0;
    transform: translateY(10px);
}

.phone-frame {
    width: 200px;
    background: #1F2937;
    border-radius: 32px;
    padding: 8px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.phone-notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 20px;
    background: #1F2937;
    border-radius: 0 0 14px 14px;
    z-index: 10;
}

.phone-frame img {
    width: 100%;
    height: auto;
    border-radius: 26px;
    display: block;
}

/* Sections */
section {
    padding: 64px 0;
}

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: #374151;
    letter-spacing: -1px;
    line-height: 1.2;
}

.title-highlight {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Unified Trust Block */
.hero-trust-block {
    width: 100%;
    padding: 40px 0 60px;
    position: relative;
    z-index: 1;
}

.trust-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.5s;
}

.trust-header .proof-avatars {
    display: flex;
}

.trust-header .proof-avatars img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid var(--bg-main);
    margin-left: -10px;
    object-fit: cover;
}

.trust-header .proof-avatars img:first-child {
    margin-left: 0;
}

.trust-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-info .proof-stars {
    color: #FBBF24;
    font-size: 14px;
    letter-spacing: 1px;
}

.trust-info span {
    font-size: 15px;
    color: var(--text-secondary);
}

.trust-info strong {
    color: var(--text-primary);
}

/* Testimonials Marquee */
.testimonials-marquee {
    overflow: hidden;
    width: 100%;
    margin-bottom: 16px;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.marquee-track {
    display: flex;
    gap: 20px;
    width: max-content;
}

.marquee-row-1 {
    animation: marqueeLeft 40s linear infinite;
}

.marquee-row-2 {
    animation: marqueeRight 40s linear infinite;
}

.testimonials-marquee:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes marqueeLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes marqueeRight {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

.trust-card {
    background: var(--bg-white);
    padding: 20px 24px;
    border-radius: 14px;
    border: 1px solid rgba(109, 75, 168, 0.08);
    box-shadow: 0 2px 8px rgba(109, 75, 168, 0.04);
    transition: all 0.3s ease;
    min-width: 320px;
    max-width: 320px;
    flex-shrink: 0;
}

.trust-card:hover {
    border-color: rgba(109, 75, 168, 0.15);
    box-shadow: 0 4px 16px rgba(109, 75, 168, 0.08);
}

.trust-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0 0 14px 0;
}

.trust-author {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--grey-100);
}

.trust-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.trust-author span {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .hero-trust-block {
        padding: 32px 0 48px;
    }
    
    .trust-header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .trust-info {
        flex-direction: column;
        gap: 4px;
    }
    
    .trust-card {
        min-width: 280px;
        max-width: 280px;
        padding: 16px 20px;
    }
    
    .marquee-row-1 {
        animation-duration: 30s;
    }
    
    .marquee-row-2 {
        animation-duration: 30s;
    }
}

/* Features */
.features {
    background: var(--bg-main);
    position: relative;
    overflow: hidden;
    padding: 80px 0 100px;
}

.features::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(109, 75, 168, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.features .section-title,
.features .section-subtitle {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.features.in-view .section-title,
.features.in-view .section-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.features.in-view .section-subtitle {
    transition-delay: 0.1s;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Features section - 5 cards with centered bottom row */
.features .features-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.features .features-grid .feature-card:nth-child(1),
.features .features-grid .feature-card:nth-child(2),
.features .features-grid .feature-card:nth-child(3) {
    grid-column: span 2;
}

.features .features-grid .feature-card:nth-child(4) {
    grid-column: 2 / 4;
}

.features .features-grid .feature-card:nth-child(5) {
    grid-column: 4 / 6;
}

@media (max-width: 900px) {
    .features .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features .features-grid .feature-card:nth-child(1),
    .features .features-grid .feature-card:nth-child(2),
    .features .features-grid .feature-card:nth-child(3),
    .features .features-grid .feature-card:nth-child(4),
    .features .features-grid .feature-card:nth-child(5) {
        grid-column: span 1;
    }
}

@media (max-width: 600px) {
    .features .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid rgba(109, 75, 168, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.02),
        0 4px 12px rgba(109, 75, 168, 0.04);
    opacity: 0;
    transform: translateY(20px);
}

.features.in-view .feature-card {
    opacity: 1;
    transform: translateY(0);
}

.features.in-view .feature-card:nth-child(1) { transition-delay: 0.05s; }
.features.in-view .feature-card:nth-child(2) { transition-delay: 0.1s; }
.features.in-view .feature-card:nth-child(3) { transition-delay: 0.15s; }
.features.in-view .feature-card:nth-child(4) { transition-delay: 0.2s; }
.features.in-view .feature-card:nth-child(5) { transition-delay: 0.25s; }

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 12px 24px rgba(109, 75, 168, 0.1);
    border-color: rgba(109, 75, 168, 0.12);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 1.5;
}

/* Study Materials Icons - Colorful backgrounds */
.feature-icon.icon-pdf {
    background: linear-gradient(135deg, #FEE2E2, #FECACA);
}
.feature-icon.icon-pdf svg {
    color: #DC2626;
}

.feature-icon.icon-youtube {
    background: linear-gradient(135deg, #FFE4E6, #FECDD3);
}
.feature-icon.icon-youtube svg {
    color: #E11D48;
}

.feature-icon.icon-photos {
    background: linear-gradient(135deg, #E0F2FE, #BAE6FD);
}
.feature-icon.icon-photos svg {
    color: #0284C7;
}

.feature-icon.icon-audio {
    background: linear-gradient(135deg, #F3E8FF, #E9D5FF);
}
.feature-icon.icon-audio svg {
    color: #7C3AED;
}

.feature-icon.icon-text {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
}
.feature-icon.icon-text svg {
    color: #D97706;
}

/* Study Methods Icons - Colorful backgrounds */
.feature-icon.icon-flashcards {
    background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
}
.feature-icon.icon-flashcards svg {
    color: #2563EB;
}

.feature-icon.icon-quizzes {
    background: linear-gradient(135deg, #D1FAE5, #A7F3D0);
}
.feature-icon.icon-quizzes svg {
    color: #059669;
}

.feature-icon.icon-podcasts {
    background: linear-gradient(135deg, #FCE7F3, #FBCFE8);
}
.feature-icon.icon-podcasts svg {
    color: #DB2777;
}

.feature-icon.icon-mindmaps {
    background: linear-gradient(135deg, #EDE9FE, #DDD6FE);
}
.feature-icon.icon-mindmaps svg {
    color: #7C3AED;
}

.feature-icon.socrats-icon {
    background: transparent;
    padding: 0;
    overflow: hidden;
    width: 72px;
    height: 72px;
}

.feature-icon.socrats-icon img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
}

.feature-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.2px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 13px;
    margin: 0;
}

/* Socrats Section */
.socrats-section {
    padding: 80px 0;
    background: var(--bg-main);
    position: relative;
    overflow: hidden;
}

.socrats-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -10%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(109, 75, 168, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.socrats-section .section-title,
.socrats-section .section-subtitle {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.socrats-section.in-view .section-title,
.socrats-section.in-view .section-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.socrats-section.in-view .section-subtitle {
    transition-delay: 0.1s;
}

.socrats-content {
    display: flex;
    justify-content: center;
}

.socrats-card {
    background: var(--bg-white);
    padding: 32px 40px;
    border-radius: 16px;
    border: 1px solid rgba(109, 75, 168, 0.08);
    text-align: center;
    max-width: 560px;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.02),
        0 4px 12px rgba(109, 75, 168, 0.04);
    opacity: 0;
    transform: translateY(20px);
}

.socrats-section.in-view .socrats-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}

.socrats-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 12px 24px rgba(109, 75, 168, 0.1);
    border-color: rgba(109, 75, 168, 0.12);
}

.socrats-card .feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
}

.socrats-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--primary-600);
    font-weight: 600;
    letter-spacing: -0.2px;
}

.socrats-card p {
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 14px;
    margin: 0;
}

/* Socrats Layout - Two Column */
.socrats-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
}

.socrats-info {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.socrats-section.in-view .socrats-info {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.socrats-icon-wrap {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
}

.socrats-icon-wrap img {
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

.socrats-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.socrats-info > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.socrats-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.socrats-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.socrats-features li svg {
    width: 18px;
    height: 18px;
    color: var(--primary-500);
    flex-shrink: 0;
}

/* Chat Mockup */
.socrats-chat-mockup {
    background: var(--bg-white);
    border-radius: 16px;
    border: 1px solid rgba(109, 75, 168, 0.08);
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.02),
        0 4px 12px rgba(109, 75, 168, 0.04);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.socrats-section.in-view .socrats-chat-mockup {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: var(--grey-50);
    border-bottom: 1px solid var(--grey-100);
}

.chat-header img {
    width: 28px;
    height: 28px;
    border-radius: 8px;
}

.chat-header span:first-of-type {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-status {
    font-size: 12px;
    color: #10B981;
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #10B981;
    border-radius: 50%;
}

.chat-messages {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 240px;
    max-height: 320px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.chat-message {
    max-width: 85%;
}

.chat-message.user {
    align-self: flex-end;
}

.chat-message.user p {
    background: var(--primary-500);
    color: white;
    padding: 12px 16px;
    border-radius: 16px 16px 4px 16px;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

.chat-message.bot {
    display: flex;
    gap: 10px;
    align-self: flex-start;
}

.bot-avatar {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.bot-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

.bot-content {
    background: var(--grey-50);
    padding: 12px 16px;
    border-radius: 16px 16px 16px 4px;
}

.bot-content p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0 0 10px 0;
}

.bot-content p:last-child {
    margin-bottom: 0;
}

.chat-highlight {
    background: rgba(109, 75, 168, 0.1);
    color: var(--primary-700);
    padding: 8px 12px;
    border-radius: 8px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
    margin: 10px 0;
    text-align: center;
}

.chat-input {
    display: flex;
    gap: 8px;
    padding: 14px 20px;
    border-top: 1px solid var(--grey-100);
    background: var(--grey-50);
}

.chat-input input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--grey-200);
    border-radius: 8px;
    font-size: 14px;
    background: var(--bg-white);
    color: var(--text-primary);
    caret-color: var(--primary-500);
}

.chat-input input:focus {
    outline: none;
    border-color: var(--primary-300);
}

.chat-input input.typing {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(109, 75, 168, 0.1);
}

.chat-input button {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--primary-500);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: all 0.2s ease;
}

.chat-input button.active {
    opacity: 1;
    transform: scale(1.05);
}

.chat-input button.sending {
    animation: sendPulse 0.3s ease;
}

@keyframes sendPulse {
    0% { transform: scale(1); }
    50% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

.chat-input button svg {
    width: 18px;
    height: 18px;
}

/* Chat Animation Styles */
.chat-message {
    opacity: 0;
    transform: translateY(12px);
    transition: all 0.4s ease;
}

.chat-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 14px 18px;
    background: var(--grey-50);
    border-radius: 18px 18px 18px 4px;
    width: fit-content;
    margin-left: 42px;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.3s ease;
}

.typing-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--primary-400);
    border-radius: 50%;
    animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Bot content text animation */
.chat-message.show .bot-content p,
.chat-message.show .bot-content .chat-highlight {
    opacity: 1;
    transform: translateY(0);
}

.bot-content p,
.bot-content .chat-highlight {
    opacity: 0;
    transform: translateY(6px);
    transition: all 0.3s ease 0.1s;
}

@media (max-width: 900px) {
    .socrats-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .socrats-info {
        text-align: center;
    }
    
    .socrats-icon-wrap {
        margin: 0 auto 20px;
    }
    
    .socrats-features {
        align-items: center;
    }
}

/* Study Methods Section */
.study-methods {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-surface) 100%);
    position: relative;
    overflow: hidden;
}

.study-methods::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--grey-200), transparent);
}

.study-methods::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(109, 75, 168, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.study-methods .section-title,
.study-methods .section-subtitle {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.study-methods.in-view .section-title,
.study-methods.in-view .section-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.study-methods.in-view .section-subtitle {
    transition-delay: 0.1s;
}

/* Method Showcase - Side by Side Layout */
.method-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
    border-bottom: 1px solid var(--grey-100);
}

.method-showcase:last-of-type {
    border-bottom: none;
}

.method-showcase.reverse {
    direction: rtl;
}

.method-showcase.reverse > * {
    direction: ltr;
}

.method-content {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.method-showcase.reverse .method-content {
    transform: translateX(30px);
}

.study-methods.in-view .method-content {
    opacity: 1;
    transform: translateX(0);
}

.method-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-50);
    color: var(--primary-600);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.method-badge i {
    width: 18px;
    height: 18px;
}

.method-content h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.method-content > p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 28px;
}

.method-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.method-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-primary);
}

.method-features li i {
    width: 20px;
    height: 20px;
    color: var(--primary-500);
    flex-shrink: 0;
}

/* Video in showcase */
.method-showcase .method-video-wrap {
    width: 100%;
    max-width: 500px;
    overflow: visible;
    background: transparent;
    position: relative;
    border-radius: 24px;
    box-shadow: 0 25px 50px rgba(109, 75, 168, 0.15);
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transition-delay: 0.2s;
    cursor: pointer;
}

.study-methods.in-view .method-showcase .method-video-wrap {
    opacity: 1;
    transform: translateY(0);
}

.method-showcase .method-video-wrap:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(109, 75, 168, 0.2);
}

.method-showcase .method-video-wrap video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 24px;
    image-rendering: -webkit-optimize-contrast;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

@media (max-width: 1024px) {
    .method-showcase {
        gap: 40px;
        padding: 60px 0;
    }
    
    .method-content h3 {
        font-size: 26px;
    }
    
    .method-showcase .method-video-wrap {
        max-width: 450px;
    }
}

@media (max-width: 768px) {
    .method-showcase {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 50px 0;
        text-align: center;
    }
    
    .method-showcase.reverse {
        direction: ltr;
    }
    
    .method-showcase .method-video-wrap {
        order: -1;
        max-width: 400px;
    }
    
    .method-content h3 {
        font-size: 24px;
    }
    
    .method-content > p {
        font-size: 15px;
    }
    
    .method-features {
        align-items: center;
    }
    
    .method-badge {
        margin-bottom: 16px;
    }
}

@media (max-width: 480px) {
    .method-showcase {
        padding: 40px 0;
    }
    
    .method-showcase .method-video-wrap {
        max-width: 100%;
        border-radius: 20px;
    }
    
    .method-showcase .method-video-wrap video {
        border-radius: 20px;
    }
    
    .method-content h3 {
        font-size: 22px;
    }
}

/* Platforms */
.platform-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.platform-showcase.reverse {
    direction: rtl;
}

.platform-showcase.reverse > * {
    direction: ltr;
}

.platform-info {
    padding: 2rem 0;
}

.platform-badge {
    display: inline-block;
    background: var(--bg-light);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.platform-info h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.platform-info p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.platform-features {
    list-style: none;
    margin-bottom: 2rem;
}

.platform-features li {
    padding: 0.5rem 0;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.platform-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Large Device Mockups */
.iphone-device-large {
    position: relative;
}

.iphone-device-large .device-frame {
    width: 340px;
    height: 720px;
    border-radius: 44px;
    padding: 10px;
    background: #1F2937;
    box-shadow: var(--shadow-lg);
}

.iphone-device-large .device-screen {
    width: 100%;
    height: 100%;
    border-radius: 36px;
    background: #fff;
    overflow: hidden;
}

.iphone-device-large .device-screen img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    image-rendering: -webkit-optimize-contrast;
}

.iphone-device-large .device-notch {
    width: 120px;
    height: 28px;
    background: #1F2937;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.ipad-device-large {
    position: relative;
}

.ipad-device-large .device-frame {
    width: 580px;
    height: 760px;
    border-radius: 32px;
    padding: 12px;
    background: #1F2937;
    box-shadow: var(--shadow-lg);
}

.ipad-device-large .device-screen {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    background: #fff;
    overflow: hidden;
}

.ipad-device-large .device-screen img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    image-rendering: -webkit-optimize-contrast;
}

/* Browser Device */
.browser-device {
    width: 100%;
    max-width: 720px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.browser-chrome {
    background: var(--bg-light);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
}

.browser-address {
    flex: 1;
    background: white;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.browser-device .device-screen {
    width: 100%;
    height: 420px;
    background: #fff;
    overflow: hidden;
}

.browser-device .device-screen img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: top;
    display: block;
    image-rendering: -webkit-optimize-contrast;
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Pricing */
.pricing {
    background: var(--bg-surface);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

/* Two card layout for student pricing */
.pricing-grid.two-cards {
    grid-template-columns: repeat(2, 1fr);
    max-width: 700px;
}

@media (max-width: 600px) {
    .pricing-grid.two-cards {
        grid-template-columns: 1fr;
    }
}

.pricing-card {
    background: var(--bg-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--grey-200);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
    margin-top: auto;
}

.pricing-desc {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

.pricing-desc .savings {
    background: linear-gradient(135deg, #10B981, #059669);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    margin-left: 6px;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(109, 75, 168, 0.12);
    border-color: var(--primary-300);
}

/* Selected state */
.pricing-card.selected {
    border-color: var(--primary-500);
    box-shadow: 0 8px 24px rgba(109, 75, 168, 0.15);
}

.pricing-card.selected::before {
    content: '';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    background: var(--primary-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center/14px no-repeat;
    border-radius: 50%;
}

.pricing-card.selected:hover {
    transform: translateY(-4px);
}

/* Featured card - same base style, just highlighted */
.pricing-card.featured {
    border-color: var(--primary-500);
    background: linear-gradient(180deg, var(--primary-50) 0%, var(--bg-white) 100%);
}

.pricing-card.featured:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(109, 75, 168, 0.2);
}

.pricing-card.featured.selected {
    box-shadow: 0 12px 28px rgba(109, 75, 168, 0.2);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--on-primary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(109, 75, 168, 0.3);
}

.pricing-card h3 {
    font-size: 20px;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.price {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.pricing-card.featured .price {
    color: var(--primary-600);
}

.price span {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-lg);
    text-align: left;
}

.pricing-features li {
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Download */
.download {
    text-align: center;
    background: var(--bg-surface);
}

.download-subtitle {
    font-size: 14px;
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-white);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 1px solid var(--grey-200);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-300);
}

.download-icon {
    font-size: 24px;
}

.download-btn small {
    display: block;
    font-size: 10px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.download-btn strong {
    display: block;
    font-size: 14px;
    font-weight: 500;
}

/* Use Cases Section */
.use-cases {
    padding: 48px 0;
    background: var(--bg-main);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.use-case-card {
    background: var(--bg-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--grey-200);
    transition: all 0.3s ease;
    position: relative;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(109, 75, 168, 0.12);
    border-color: var(--primary-200);
}

.use-case-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 28px;
}

.use-case-card:nth-child(1) .use-case-icon {
    background: linear-gradient(135deg, #E0F2FE, #BAE6FD);
}

.use-case-card:nth-child(2) .use-case-icon {
    background: linear-gradient(135deg, #FCE7F3, #FBCFE8);
}

.use-case-card:nth-child(3) .use-case-icon {
    background: linear-gradient(135deg, #D1FAE5, #A7F3D0);
}

.use-case-card h3 {
    font-size: 18px;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    font-weight: 600;
}

.use-case-card ul {
    list-style: none;
    padding: 0;
}

.use-case-card li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    padding-left: 20px;
    position: relative;
}

.use-case-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-500);
    font-weight: 600;
}

/* Why Section */
.why-section {
    padding: 64px 0;
    background: linear-gradient(180deg, var(--primary-50) 0%, var(--bg-main) 100%);
    position: relative;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.comparison-card {
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: left;
    transition: all 0.3s ease;
}

.comparison-card.traditional {
    background: var(--bg-white);
    border: 1px solid var(--grey-200);
}

.comparison-card.traditional:hover {
    border-color: var(--grey-300);
}

.comparison-card.socranotes {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    color: white;
    box-shadow: 0 8px 24px rgba(109, 75, 168, 0.25);
}

.comparison-card.socranotes:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(109, 75, 168, 0.35);
}

.comparison-card h3 {
    font-size: 18px;
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.comparison-card ul {
    list-style: none;
    padding: 0;
}

.comparison-card li {
    padding: 8px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.comparison-card.traditional li {
    color: var(--text-secondary);
}

.comparison-card.socranotes li {
    color: rgba(255, 255, 255, 0.95);
}

.why-result {
    text-align: center;
    font-size: 14px;
    color: var(--text-primary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.6;
}

/* How It Works Section - Modern Timeline Design */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-main);
    position: relative;
    overflow: hidden;
}

.how-it-works .section-title,
.how-it-works .section-subtitle {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.how-it-works.in-view .section-title,
.how-it-works.in-view .section-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.how-it-works.in-view .section-subtitle {
    transition-delay: 0.1s;
}

/* Process Flow - Vertical Timeline */
.process-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 64px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

/* Timeline Line */
.process-flow::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 80px;
    bottom: 80px;
    width: 2px;
    background: linear-gradient(180deg, 
        transparent 0%, 
        var(--primary-200) 10%, 
        var(--primary-300) 50%, 
        var(--primary-200) 90%, 
        transparent 100%);
    transform: translateX(-50%);
    z-index: 0;
}

.process-step {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 40px 0;
}

.how-it-works.in-view .process-step {
    opacity: 1;
    transform: translateY(0);
}

.how-it-works.in-view .process-step:nth-child(1) { transition-delay: 0.2s; }
.how-it-works.in-view .process-step:nth-child(2) { transition-delay: 0.4s; }
.how-it-works.in-view .process-step:nth-child(3) { transition-delay: 0.6s; }

/* Step Number Circle */
.process-visual {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 0 8px var(--bg-main), 0 4px 20px rgba(109, 75, 168, 0.15);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    grid-column: 2;
}

.process-step:hover .process-visual {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px var(--bg-main), 0 8px 30px rgba(109, 75, 168, 0.25);
}

.process-number {
    position: absolute;
    top: -8px;
    left: -8px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 12px rgba(109, 75, 168, 0.3);
}

.process-icon-main {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-icon-main svg {
    width: 36px;
    height: 36px;
    color: var(--primary-500);
    stroke-width: 2;
    transition: all 0.3s ease;
}

.process-step:hover .process-icon-main svg {
    color: var(--primary-600);
    transform: scale(1.1);
}

/* Process Details - Alternating Layout */
.process-step:nth-child(odd) .process-details {
    grid-column: 1;
    text-align: left;
}

.process-step:nth-child(even) .process-details {
    grid-column: 3;
    text-align: left;
}

.process-details {
    background: white;
    border-radius: 16px;
    padding: 28px;
    border: 1px solid var(--grey-200);
    transition: all 0.3s ease;
}

.process-step:hover .process-details {
    border-color: var(--primary-300);
    box-shadow: 0 8px 24px rgba(109, 75, 168, 0.08);
    transform: translateY(-4px);
}

.process-details h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.process-details p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Process Images - Alternating Layout */
.process-step:nth-child(odd) .process-image {
    grid-column: 3;
}

.process-step:nth-child(even) .process-image {
    grid-column: 1;
}

.process-image {
    width: 100%;
    max-width: 280px;
    justify-self: center;
    transition: all 0.4s ease;
}

.process-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(109, 75, 168, 0.12);
    border: 1px solid var(--grey-200);
    transition: all 0.3s ease;
    display: block;
}

.process-step:hover .process-image img {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(109, 75, 168, 0.18);
    border-color: var(--primary-200);
}

/* Input Types - Compact Pills */
.input-types {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-start;
}

.input-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--grey-50);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.input-type:hover {
    background: var(--primary-50);
    border-color: var(--primary-200);
    color: var(--primary-600);
    transform: translateY(-2px);
}

.input-type svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* Process Features - Clean List */
.process-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    background: transparent;
    border-radius: 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    border: none;
    transition: all 0.2s ease;
    justify-content: flex-start;
}

.feature-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary-500);
    flex-shrink: 0;
}

.feature-item:hover {
    color: var(--primary-600);
    transform: translateX(4px);
}

/* Study Tools - Compact Grid */
.study-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-start;
}

.tool-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(135deg, var(--primary-50), var(--grey-50));
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    border: 1px solid var(--primary-100);
    transition: all 0.2s ease;
}

.tool-item:hover {
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-color: var(--primary-300);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(109, 75, 168, 0.12);
}

.tool-emoji {
    font-size: 14px;
    line-height: 1;
}

/* Remove arrow (not needed in timeline) */
.process-arrow {
    display: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .process-flow::before {
        left: 40px;
    }
    
    .process-step {
        grid-template-columns: auto 1fr;
        gap: 24px;
        padding: 30px 0;
    }
    
    .process-visual {
        width: 64px;
        height: 64px;
        grid-column: 1 !important;
        grid-row: 1;
    }
    
    .process-number {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .process-icon-main svg {
        width: 30px;
        height: 30px;
    }
    
    .process-details {
        grid-column: 2 !important;
        grid-row: 1;
        text-align: left !important;
    }
    
    .process-image {
        grid-column: 2 !important;
        grid-row: 2;
        margin-top: 20px;
        max-width: 100%;
    }
    
    .input-types,
    .study-tools {
        justify-content: flex-start !important;
    }
    
    .feature-item {
        justify-content: flex-start !important;
    }
    
    .feature-item:hover {
        transform: translateX(4px) !important;
    }
}

@media (max-width: 640px) {
    .how-it-works {
        padding: 80px 0;
    }
    
    .process-flow::before {
        left: 28px;
    }
    
    .process-step {
        gap: 16px;
        padding: 24px 0;
    }
    
    .process-visual {
        width: 56px;
        height: 56px;
    }
    
    .process-number {
        width: 24px;
        height: 24px;
        font-size: 11px;
        top: -6px;
        left: -6px;
    }
    
    .process-icon-main svg {
        width: 26px;
        height: 26px;
    }
    
    .process-details {
        padding: 20px;
    }
    
    .process-details h3 {
        font-size: 18px;
    }
    
    .process-details p {
        font-size: 14px;
    }
    
    .process-image {
        margin-top: 16px;
    }
    
    .input-types,
    .study-tools {
        gap: 6px;
    }
    
    .input-type,
    .tool-item {
        padding: 6px 12px;
        font-size: 12px;
    }
}
    
    .process-icon-main svg {
        width: 28px;
        height: 28px;
    }
    
    .process-details h3 {
        font-size: 18px;
    }
    
    .input-types,
    .study-tools {
        grid-template-columns: 1fr;
    }
    
    .process-features {
        gap: 8px;
    }
}


    }
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--bg-surface);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(109, 75, 168, 0.06);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-200);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.faq-question:hover {
    color: var(--primary-600);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--primary-500);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--primary-900);
    color: white;
    padding: 0;
}

/* Footer CTA Section */
.footer-cta {
    padding: 64px 0 48px;
    text-align: center;
}

.footer-cta-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.footer-cta-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 480px;
    margin: 0 auto 28px;
    line-height: 1.6;
}

.footer-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.store-badge-footer {
    display: block;
    transition: all 0.2s ease;
    opacity: 0.9;
}

.store-badge-footer:hover {
    transform: translateY(-2px);
    opacity: 1;
}

.store-badge-footer svg {
    height: 44px;
    width: auto;
}

.store-badge-footer.web-version svg rect {
    fill: var(--primary-500);
}

.store-badge-footer.web-version:hover svg rect {
    fill: var(--primary-600);
}

/* Footer Links Section */
.footer-links {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: 48px;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand-section {
    max-width: 260px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-logo img {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.footer-logo span {
    font-size: 16px;
    font-weight: 600;
}

.footer-brand-section > p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    line-height: 1.6;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.footer-nav-column h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 14px;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-nav-column ul {
    list-style: none;
}

.footer-nav-column li {
    margin-bottom: 8px;
}

.footer-nav-column a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s ease;
}

.footer-nav-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
}

/* Responsive Design */

/* Large screens */
@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
    
    .use-cases-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-xl);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    .hero-grid {
        gap: 80px;
    }
}

/* Very large screens (2K+) */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
    
    .hero-title {
        font-size: 68px;
    }
    
    .hero-subtitle {
        font-size: 22px;
    }
    
    .section-title {
        font-size: 48px;
    }
    
    section {
        padding: 80px 0;
    }
    
    .hero {
        padding: 100px 0 120px;
    }
}

/* Tablet and below */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .nav-left {
        gap: 0;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-right {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 48px 0 56px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .hero-title {
        font-size: 32px;
        letter-spacing: -0.5px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-visual {
        justify-content: center;
        height: 280px;
    }
    
    .hero-mockup-container {
        max-width: 100%;
    }
    
    .hero-phone {
        display: none;
    }
    
    .hero-browser {
        max-width: 100%;
    }
    
    .browser-sidebar {
        display: none;
    }
    
    section {
        padding: 32px 0;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 13px;
    }
    
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .steps-grid::before {
        display: none;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .why-result {
        font-size: 13px;
    }
    
    /* Footer responsive */
    .footer-cta {
        padding: 40px 20px;
    }
    
    .footer-cta-content h2 {
        font-size: 24px;
    }
    
    .footer-cta-content p {
        font-size: 14px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 32px 0;
        text-align: center;
    }
    
    .footer-brand-section {
        max-width: 100%;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-nav {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    
}

/* iPad Specific */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 var(--space-lg);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .use-cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero-grid {
        gap: var(--space-lg);
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-visual {
        height: 320px;
    }
    
    .hero-phone {
        display: none;
    }
}

/* iPhone Specific */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.15;
    }
    
    .hero-subtitle {
        font-size: 13px;
    }
    
    .hero-description {
        font-size: 12px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .section-subtitle {
        font-size: 12px;
    }
    
    .btn-large {
        padding: var(--space-sm) var(--space-md);
        font-size: 13px;
        width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .download-btn {
        width: 100%;
        justify-content: center;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .feature-card,
    .use-case-card,
    .pricing-card,
    .comparison-card {
        padding: var(--space-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .feature-card h3,
    .use-case-card h3 {
        font-size: 16px;
    }
    
    .feature-card p,
    .use-case-card li {
        font-size: 14px;
    }
    
    .pricing-card {
        padding: var(--space-lg);
    }
    
    .comparison-card {
        padding: var(--space-lg);
    }
    
    .why-result {
        font-size: 14px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .steps-grid::before {
        display: none;
    }
    
    .step-card {
        display: flex;
        align-items: center;
        gap: var(--space-md);
        text-align: left;
        padding: var(--space-md);
    }
    
    .step-number {
        margin: 0;
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .step-card h3 {
        margin-bottom: 4px;
    }
    
    .step-card p {
        font-size: 12px;
    }
}

/* iPad Mockup Styles */
.ipad-header {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ipad-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
}

.ipad-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.ipad-content {
    display: flex;
    height: calc(100% - 60px);
    background: #f8f9fa;
}

.ipad-sidebar {
    width: 280px;
    background: white;
    border-right: 1px solid #e9ecef;
    padding: 20px 16px;
    overflow-y: auto;
}

.ipad-search-box {
    background: #f8f9fa;
    padding: 10px 14px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 13px;
    color: #6c757d;
}

.ipad-nav-section {
    margin-bottom: 24px;
}

.ipad-nav-title {
    font-size: 11px;
    font-weight: 700;
    color: #adb5bd;
    margin-bottom: 8px;
    padding: 0 8px;
    letter-spacing: 0.5px;
}

.ipad-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 4px;
    font-size: 14px;
    color: #495057;
    cursor: pointer;
}

.ipad-nav-item.active {
    background: #8B5CF6;
    color: white;
}

.nav-icon {
    font-size: 16px;
}

.nav-text {
    flex: 1;
    font-weight: 500;
}

.nav-count {
    font-size: 12px;
    color: inherit;
    opacity: 0.7;
}

.ipad-main {
    flex: 1;
    background: white;
    margin: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.ipad-editor-header {
    padding: 16px 20px;
    border-bottom: 1px solid #e9ecef;
}

.editor-title-bar {
    height: 24px;
    background: linear-gradient(90deg, #8B5CF6 0%, #A78BFA 100%);
    border-radius: 6px;
    width: 40%;
    margin-bottom: 12px;
}

.editor-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
}

.toolbar-btn {
    width: 32px;
    height: 32px;
    background: #f8f9fa;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #495057;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: #dee2e6;
    margin: 0 4px;
}

.ipad-editor-content {
    padding: 24px;
}

.editor-line {
    height: 12px;
    background: #e9ecef;
    border-radius: 3px;
    margin-bottom: 10px;
}

.editor-line.short {
    width: 70%;
}

.editor-space {
    height: 20px;
}

/* iPhone Mockup Styles */
.iphone-status-bar {
    padding: 8px 20px 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    color: #1a1a1a;
}

.status-icons {
    display: flex;
    gap: 4px;
    font-size: 10px;
}

.iphone-header {
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.iphone-title {
    font-size: 28px;
    font-weight: 800;
    color: #1a1a1a;
}

.iphone-add-btn {
    width: 36px;
    height: 36px;
    background: #8B5CF6;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 300;
}

.iphone-search {
    margin: 12px 20px;
    background: #f1f3f5;
    padding: 10px 14px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #868e96;
}

.iphone-notes-list {
    padding: 0 20px 80px;
}

.iphone-note-item {
    background: #f8f9fa;
    padding: 14px;
    border-radius: 12px;
    margin-bottom: 12px;
}

.iphone-note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.iphone-note-title-bar {
    height: 14px;
    background: linear-gradient(90deg, #8B5CF6 0%, #A78BFA 100%);
    border-radius: 3px;
    width: 50%;
}

.iphone-note-date {
    font-size: 11px;
    color: #868e96;
    font-weight: 500;
}

.iphone-note-preview {
    height: 10px;
    background: #dee2e6;
    border-radius: 2px;
    margin-bottom: 6px;
}

.iphone-note-preview.short {
    width: 65%;
}

.iphone-tab-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid #e9ecef;
    display: flex;
    padding: 8px 0 20px;
    justify-content: space-around;
}

.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: #868e96;
}

.tab-item.active {
    color: #8B5CF6;
}

.tab-icon {
    font-size: 20px;
}

.tab-label {
    font-size: 10px;
    font-weight: 600;
}

/* Web App Mockup Styles */
.web-app-layout {
    display: flex;
    height: 100%;
    background: #f8f9fa;
}

.web-sidebar {
    width: 240px;
    background: #1a1a1a;
    color: white;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.web-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.web-logo-icon {
    font-size: 24px;
}

.web-search {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
}

.web-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.web-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.web-nav-item.active {
    background: #8B5CF6;
    color: white;
}

.nav-label {
    font-weight: 500;
}

.web-folders {
    margin-top: auto;
}

.folder-header {
    font-size: 10px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.folder-item {
    padding: 8px 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    border-radius: 6px;
    margin-bottom: 4px;
}

.web-notes-list {
    width: 320px;
    background: white;
    border-right: 1px solid #e9ecef;
    overflow-y: auto;
}

.web-list-header {
    padding: 20px;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.web-list-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
}

.web-new-btn {
    background: #8B5CF6;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
}

.web-note-card {
    padding: 16px 20px;
    border-bottom: 1px solid #f1f3f5;
    cursor: pointer;
}

.web-note-card:hover {
    background: #f8f9fa;
}

.web-note-title {
    height: 14px;
    background: linear-gradient(90deg, #8B5CF6 0%, #A78BFA 100%);
    border-radius: 3px;
    width: 60%;
    margin-bottom: 10px;
}

.web-note-text {
    height: 10px;
    background: #e9ecef;
    border-radius: 2px;
    margin-bottom: 8px;
}

.web-note-meta {
    font-size: 11px;
    color: #868e96;
    margin-top: 8px;
}

.web-editor {
    flex: 1;
    background: white;
    display: flex;
    flex-direction: column;
}

.web-editor-toolbar {
    padding: 16px 24px;
    border-bottom: 1px solid #e9ecef;
}

.toolbar-group {
    display: flex;
    gap: 8px;
}

.toolbar-icon {
    width: 32px;
    height: 32px;
    background: #f8f9fa;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #495057;
}

.web-editor-title {
    height: 28px;
    background: linear-gradient(90deg, #8B5CF6 0%, #A78BFA 100%);
    border-radius: 6px;
    width: 50%;
    margin: 24px 24px 20px;
}

.web-editor-content {
    padding: 0 24px 24px;
}

/* Full Screen Auth */
.auth-screen {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-main);
    overflow-y: auto;
}

.auth-screen.active {
    display: block;
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.auth-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    z-index: 10;
}

.auth-close:hover {
    background: var(--grey-100);
    color: var(--text-primary);
}

.auth-close svg {
    width: 20px;
    height: 20px;
}

.auth-left {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.auth-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.auth-brand span {
    font-size: 20px;
    font-weight: 700;
}

.auth-hero {
    position: relative;
    z-index: 1;
}

.auth-hero h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.auth-hero p {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.6;
}

/* Live Stats */
.auth-live-stats {
    display: flex;
    gap: 24px;
    margin: 24px 0;
    position: relative;
    z-index: 1;
}

.auth-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.auth-stat-number {
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.auth-stat-label {
    font-size: 12px;
    opacity: 0.8;
}

/* Testimonials Carousel */
.auth-testimonials-carousel {
    position: relative;
    z-index: 1;
    min-height: 140px;
}

.auth-testimonials-carousel .auth-testimonial {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.5s ease;
    pointer-events: none;
}

.auth-testimonials-carousel .auth-testimonial.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.auth-testimonial {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 24px;
    border-radius: 16px;
    position: relative;
    z-index: 1;
}

.auth-testimonial p {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 16px;
    font-style: italic;
}

.auth-testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.auth-testimonial-author img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.auth-testimonial-author span {
    font-size: 13px;
    opacity: 0.9;
}

/* Recent Signups */
.auth-recent-signups {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 24px 0;
    position: relative;
    z-index: 1;
}

.auth-signup-notification {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInNotification 0.5s ease forwards;
}

.auth-signup-notification:nth-child(1) { animation-delay: 0.2s; }
.auth-signup-notification:nth-child(2) { animation-delay: 0.4s; }
.auth-signup-notification:nth-child(3) { animation-delay: 0.6s; }

@keyframes slideInNotification {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.auth-signup-notification img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

.auth-signup-notification strong {
    color: white;
}

/* Universities */
.auth-universities {
    margin-top: 24px;
    position: relative;
    z-index: 1;
}

.auth-universities > span {
    font-size: 12px;
    opacity: 0.7;
    display: block;
    margin-bottom: 12px;
}

.auth-uni-logos {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.auth-uni-logos span {
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.auth-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.auth-feature svg {
    width: 20px;
    height: 20px;
    color: #A7F3D0;
}

.auth-right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    background: var(--bg-white);
}

.auth-form-container {
    width: 100%;
    max-width: 400px;
}

.auth-form-container h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 32px;
    letter-spacing: -0.5px;
}

.auth-social-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.btn-auth-social {
    width: 100%;
    padding: 14px 20px;
    border: 1px solid var(--grey-200);
    border-radius: 12px;
    background: var(--bg-white);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-primary);
}

.btn-auth-social:hover {
    background: var(--grey-50);
    border-color: var(--grey-300);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--grey-200);
}

.auth-divider span {
    font-size: 13px;
    color: var(--text-tertiary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-field label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.auth-field input {
    padding: 14px 16px;
    border: 1px solid var(--grey-200);
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.2s ease;
    background: var(--bg-white);
    color: var(--text-primary);
}

.auth-field input::placeholder {
    color: var(--text-tertiary);
}

.auth-field input:focus {
    outline: none;
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(109, 75, 168, 0.1);
}

.auth-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.auth-checkbox input {
    margin-top: 3px;
    cursor: pointer;
}

.auth-checkbox span {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.auth-checkbox a {
    color: var(--primary-500);
    text-decoration: none;
}

.auth-checkbox a:hover {
    text-decoration: underline;
}

.auth-link {
    font-size: 14px;
    color: var(--primary-500);
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    text-decoration: underline;
}

.btn-auth-submit {
    width: 100%;
    padding: 16px;
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.btn-auth-submit:hover {
    background: var(--primary-600);
}

.auth-switch {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-switch a {
    color: var(--primary-500);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Auth Responsive */
@media (max-width: 900px) {
    .auth-container {
        grid-template-columns: 1fr;
    }
    
    .auth-left {
        display: none;
    }
    
    .auth-right {
        padding: 80px 24px 40px;
    }
    
    .auth-close {
        top: 16px;
        right: 16px;
    }
}

@media (max-width: 480px) {
    .auth-form-container h2 {
        font-size: 24px;
    }
    
    .auth-field input,
    .btn-auth-social,
    .btn-auth-submit {
        padding: 12px 14px;
    }
}


/* Native App Store Badges */
.store-badge {
    display: inline-block;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
}

.store-badge svg {
    height: 50px;
    width: auto;
    display: block;
}

.store-badge.app-store-badge:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.store-badge.google-play-badge {
    position: relative;
}

.store-badge.google-play-badge.disabled {
    opacity: 0.6;
    cursor: default;
}

.store-badge.google-play-badge.disabled svg {
    filter: grayscale(0.3);
}

.coming-soon-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    font-weight: 500;
}


/* Hero Stats - inline below CTA */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.hero-stat {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 600;
}

.hero-stat-dot {
    color: var(--text-tertiary);
    font-size: 10px;
}

/* Testimonials Section */
.testimonials-section {
    padding: 48px 0;
    background: var(--bg-main);
    overflow: hidden;
}

.testimonials-header {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

/* Testimonials Marquee */
.testimonials-marquee-wrapper {
    position: relative;
    width: 100%;
    padding: var(--space-lg) 0 var(--space-xl);
}

.testimonials-marquee-wrapper::before,
.testimonials-marquee-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.testimonials-marquee-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-main) 0%, transparent 100%);
}

.testimonials-marquee-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-main) 0%, transparent 100%);
}

.testimonials-marquee {
    overflow: hidden;
    width: 100%;
}

.testimonials-track {
    display: flex;
    gap: var(--space-lg);
    animation: marquee 40s linear infinite;
    width: max-content;
}

.testimonials-track:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.testimonial-card {
    flex-shrink: 0;
    width: 300px;
    background: var(--bg-white);
    border: 1px solid var(--grey-200);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    text-align: left;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(109, 75, 168, 0.12);
    border-color: var(--primary-200);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.author-photo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--grey-100);
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.author-meta {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.testimonial-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xs);
}

.testimonial-stars {
    color: #FBBF24;
    font-size: 12px;
    letter-spacing: 2px;
}

/* Social Proof Responsive */
@media (max-width: 768px) {
    .university-logos {
        gap: var(--space-md);
    }
    
    .uni-svg {
        height: 24px;
    }
    
    .stats-bar {
        gap: var(--space-lg);
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .testimonial-card {
        width: 300px;
        padding: var(--space-md);
    }
    
    .testimonials-marquee-wrapper::before,
    .testimonials-marquee-wrapper::after {
        width: 60px;
    }
}

@media (max-width: 480px) {
    .university-logos {
        gap: var(--space-sm);
    }
    
    .uni-svg {
        height: 20px;
    }
    
    .stats-bar {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .stat-divider {
        display: none;
    }
    
    .stat-item {
        min-width: 80px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .testimonial-card {
        width: 280px;
    }
    
    .testimonials-marquee-wrapper::before,
    .testimonials-marquee-wrapper::after {
        width: 30px;
    }
}


/* Disable Google Play Button in Footer with Coming Soon Badge */
.store-badge-wrapper {
    position: relative;
    display: inline-block;
}

.footer-cta-buttons .google-play {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(80%);
}

.coming-soon-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.4);
    z-index: 10;
}

/* ===================================
   Legal Pages (Privacy & Terms)
   =================================== */

/* Legal Hero Section */
.legal-hero {
  background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-surface) 100%);
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.legal-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(109, 75, 168, 0.15), transparent),
    radial-gradient(ellipse 60% 50% at 100% 50%, rgba(109, 75, 168, 0.08), transparent);
  pointer-events: none;
}

.legal-hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.legal-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(109, 75, 168, 0.1), rgba(109, 75, 168, 0.05));
  border: 1px solid rgba(109, 75, 168, 0.2);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--primary-600);
}

.legal-hero .badge-icon {
  font-size: 1.25rem;
}

.legal-hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  color: var(--text-primary);
}

.legal-hero-description {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.last-updated {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-style: italic;
}

/* Legal Content Wrapper */
.legal-content-wrapper {
  padding: 4rem 2rem;
  background: var(--bg-surface);
}

.legal-content-wrapper .container {
  max-width: 900px;
  margin: 0 auto;
}

/* Legal Content Sections */
.legal-content {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.content-section {
  margin-bottom: 0;
}

.content-section:last-child {
  margin-bottom: 0;
}

.content-section h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--primary-500);
  display: inline-block;
}

.content-section p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.content-section ul {
  list-style: none;
  padding-left: 0;
  margin: 1.25rem 0;
}

.content-section ul li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-size: 1.0625rem;
}

.content-section ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary-500);
  font-weight: bold;
  font-size: 1.25rem;
}

.content-section strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Responsive Design for Legal Pages */
@media (max-width: 768px) {
  .legal-hero {
    padding: 6rem 1.5rem 3rem;
  }

  .legal-hero-title {
    font-size: 2.5rem;
  }

  .legal-hero-description {
    font-size: 1.125rem;
  }

  .legal-content-wrapper {
    padding: 3rem 1rem;
  }

  .legal-content {
    padding: 2rem 1.5rem;
  }

  .content-section h2 {
    font-size: 1.5rem;
  }

  .content-section p,
  .content-section ul li {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .legal-hero {
    padding: 5rem 1rem 2.5rem;
  }

  .legal-hero-title {
    font-size: 2rem;
  }

  .legal-hero-description {
    font-size: 1rem;
  }

  .legal-content {
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
  }

  .content-section h2 {
    font-size: 1.375rem;
  }

  .content-section p,
  .content-section ul li {
    font-size: 0.9375rem;
  }

  .content-section ul li {
    padding-left: 1.5rem;
  }
}