/* ============================================================
   MomTeach Pre-Launch Website - CSS
   Theme: "Learning Through Love" - Warm, Trustworthy, Innovative
   ============================================================ */

/* ============================================================
   CSS Variables - Theme Colors
   ============================================================ */
:root {
    /* Primary Colors - Light Purple & Pink Theme */
    --purple-50: #faf5ff;       /* Very light purple - main background */
    --purple-100: #f3e8ff;      /* Light purple - sections */
    --purple-200: #e9d5ff;      /* Lighter purple - cards */
    --purple-300: #d8b4fe;      /* Medium light purple */
    --purple-500: #a855f7;      /* Vibrant purple */
    --purple-600: #9333ea;      /* Medium purple */
    --purple-700: #7e22ce;      /* Deep purple */
    --purple-800: #6b21a8;      /* Darker purple */
    --pink-300: #f9a8d4;        /* Light pink */
    --pink-500: #ec4899;        /* Bright pink */
    --pink-600: #db2777;        /* Deep pink */
    --pink-700: #be185d;        /* Darker pink */
    
    /* Accent Colors */
    --lavender: #a78bfa;        /* Lavender accent */
    --coral: #ff0080;           /* Pink-coral */
    --accent-purple: #8b5cf6;   /* Accent purple */
    --accent-pink: #f472b6;     /* Accent pink */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #9333ea 0%, #db2777 100%);
    --gradient-secondary: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-text: linear-gradient(135deg, #7e22ce 0%, #be185d 50%, #db2777 100%);
    --gradient-light: linear-gradient(180deg, #faf5ff 0%, #f3e8ff 100%);
    --gradient-bg: linear-gradient(180deg, #ffffff 0%, #faf5ff 50%, #f3e8ff 100%);
    
    /* Light Theme Neutrals */
    --white: #ffffff;
    --off-white: #fefefe;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --black: #000000;
    
    /* Functional */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Fonts */
    --font-primary: 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-handwritten: 'Caveat', cursive;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 9999px;
    
    /* Shadows - Light Theme */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --glow-purple: 0 4px 20px rgba(147, 51, 234, 0.3);
    --glow-pink: 0 4px 20px rgba(236, 72, 153, 0.3);
    --glow-accent: 0 8px 30px rgba(168, 85, 247, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================================
   Global Styles
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 17px;
    line-height: 1.7;
    color: var(--gray-800);
    font-weight: 500;
    letter-spacing: 0.3px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    background: var(--gradient-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-2xl) 0;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
    color: var(--purple-800);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.75rem; }
h3 { font-size: 2.25rem; }
h4 { font-size: 1.75rem; }
h5 { font-size: 1.375rem; }
h6 { font-size: 1.25rem; }

.section-title {
    text-align: center;
    font-size: 3.25rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
    filter: drop-shadow(0 4px 12px rgba(168, 85, 247, 0.4));
}

.section-subtitle {
    text-align: center;
    font-size: 1.5rem;
    color: var(--gray-600);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    letter-spacing: 0.3px;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(10deg); }
}

.handwritten {
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    color: var(--pink-600);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary,
.btn-secondary,
.btn-pricing,
.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    transition: var(--transition-base);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: var(--gray-800);
    box-shadow: var(--glow-purple);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-accent);
    opacity: 0.9;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

.btn-pricing {
    width: 100%;
    background: var(--gradient-secondary);
    color: var(--gray-800);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--glow-purple);
    border: 1px solid rgba(236, 72, 153, 0.5);
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-pink);
    border-color: var(--pink-500);
}

.btn-submit {
    background: var(--gradient-secondary);
    color: var(--gray-800);
    width: 100%;
    padding: 1.25rem;
    font-size: 1.25rem;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================================
   Floating Shapes Animation
   ============================================================ */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.floating-shapes .heart,
.floating-shapes .star {
    position: absolute;
    font-size: 2rem;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

.floating-shapes .heart:nth-child(1) {
    left: 10%;
    top: 20%;
    animation-delay: 0s;
}

.floating-shapes .star:nth-child(2) {
    left: 80%;
    top: 30%;
    animation-delay: 2s;
}

.floating-shapes .heart:nth-child(3) {
    left: 50%;
    top: 60%;
    animation-delay: 4s;
}

.floating-shapes .star:nth-child(4) {
    left: 20%;
    top: 70%;
    animation-delay: 6s;
}

.floating-shapes .heart:nth-child(5) {
    left: 70%;
    top: 80%;
    animation-delay: 8s;
}

.floating-shapes .star:nth-child(6) {
    left: 40%;
    top: 40%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

/* ============================================================
   Navigation
   ============================================================ */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(26, 11, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--purple-300);
    font-weight: 500;
    transition: var(--transition-base);
}

.nav-links a:hover {
    color: var(--pink-500);
}

.btn-nav {
    background: var(--gradient-secondary);
    color: var(--gray-800);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--purple-300);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 999;
}

.mobile-menu a {
    padding: var(--spacing-sm);
    text-align: center;
    border-radius: var(--radius-sm);
}

.mobile-menu a:hover {
    background: rgba(139, 92, 246, 0.2);
    color: var(--neon-pink);
}

.btn-mobile {
    background: var(--gradient-secondary);
    color: var(--gray-800);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
    background: linear-gradient(135deg, var(--purple-50) 0%, var(--purple-100) 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-text {
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-title span {
    display: block;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-700);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.social-proof {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-700);
    font-size: 1rem;
    font-weight: 600;
}

.counter-icon {
    font-size: 1.5rem;
}

.early-bird-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--coral);
    box-shadow: var(--shadow-sm);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-sm);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-md);
    }
}

.hero-image {
    animation: fadeInRight 1s ease;
}

.hero-illustration {
    position: relative;
}

.avatar-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.avatar-screen {
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
}

.avatar-face {
    font-size: 5rem;
    margin-bottom: var(--spacing-sm);
    animation: bounce 2s infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mom-avatar-img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--lavender);
    box-shadow: 0 8px 24px rgba(155, 89, 182, 0.2);
    transition: transform 0.3s ease;
}

.mom-avatar-img:hover {
    transform: scale(1.05);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.voice-wave {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.voice-wave span {
    width: 4px;
    height: 20px;
    background: var(--coral);
    border-radius: var(--radius-full);
    animation: wave 1s infinite ease-in-out;
}

.voice-wave span:nth-child(2) { animation-delay: 0.1s; }
.voice-wave span:nth-child(3) { animation-delay: 0.2s; }
.voice-wave span:nth-child(4) { animation-delay: 0.3s; }
.voice-wave span:nth-child(5) { animation-delay: 0.4s; }

@keyframes wave {
    0%, 100% {
        height: 20px;
    }
    50% {
        height: 40px;
    }
}

.lesson-text {
    font-style: italic;
    color: var(--gray-600);
}

.child-watching {
    font-size: 3rem;
    position: absolute;
    bottom: -20px;
    right: -20px;
    animation: rotate 3s infinite linear;
}

@keyframes rotate {
    0%, 100% {
        transform: rotate(-5deg);
    }
    50% {
        transform: rotate(5deg);
    }
}

.floating-emoji {
    position: absolute;
    font-size: 2rem;
    animation: floatEmoji 3s infinite ease-in-out;
}

.heart-1 {
    top: -20px;
    left: -20px;
}

.star-1 {
    top: 50%;
    right: -30px;
    animation-delay: 1s;
}

.heart-2 {
    bottom: -10px;
    left: 50%;
    animation-delay: 2s;
}

@keyframes floatEmoji {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(10deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ============================================================
   Problem Section
   ============================================================ */
.problem-section {
    background: var(--white);
}

.problem-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.problem-card {
    background: var(--gradient-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.problem-card h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.problem-card p {
    color: var(--gray-600);
    line-height: 1.8;
}

.emotional-quote {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 107, 157, 0.1);
    border-radius: var(--radius-lg);
}

/* ============================================================
   Solution Section
   ============================================================ */
.solution-section {
    background: var(--off-white);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.step {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    flex: 1;
    min-width: 200px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    color: var(--gray-800);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.step-icon {
    font-size: 3rem;
    margin: var(--spacing-md) 0;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.step p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--coral);
    font-weight: 700;
}

.video-mockup {
    text-align: center;
}

.mockup-frame {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.mockup-screen {
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.lesson-preview {
    padding: var(--spacing-xl);
}

.avatar-teaching {
    margin-bottom: var(--spacing-md);
}

.avatar {
    font-size: 5rem;
    margin-bottom: var(--spacing-sm);
}

.speech-bubble {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
    display: inline-block;
}

.speech-bubble::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--white);
}

.lesson-content img {
    max-width: 300px;
    border-radius: var(--radius-md);
}

.testimonial-badge {
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   Features Section
   ============================================================ */
.features-section {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid var(--purple-200);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-purple);
    border-color: var(--neon-pink);
    background: rgba(61, 36, 99, 0.8);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    color: var(--gray-800);
    font-weight: 700;

    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--gray-800);
    font-weight: 500;

    line-height: 1.7;
}

/* Fade-in animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   Family Section (Tabs)
   ============================================================ */
.family-section {
    background: var(--gradient-primary);
}

.family-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--white);
    border: 2px solid transparent;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.tab-btn:hover {
    background: var(--coral);
    color: var(--gray-800);
}

.tab-btn.active {
    background: var(--gradient-secondary);
    color: var(--gray-800);
    border-color: var(--coral);
}

.tab-icon {
    font-size: 1.5rem;
}

.tab-content-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.tab-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.tab-text h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.tab-text p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.benefit-list {
    list-style: none;
}

.benefit-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.benefit-list i {
    color: var(--success);
    font-size: 1.25rem;
}

.tab-image {
    text-align: center;
}

.family-illustration {
    font-size: 4rem;
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

/* ============================================================
   How It Works Detailed
   ============================================================ */
.how-it-works-section {
    background: var(--off-white);
}

.demo-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.demo-step {
    text-align: center;
}

.demo-number {
    background: var(--gradient-secondary);
    color: var(--gray-800);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
}

.demo-visual {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-mockup,
.voice-mockup,
.lesson-mockup,
.progress-mockup {
    width: 100%;
}

.upload-box {
    border: 3px dashed var(--coral);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    background: var(--off-white);
}

.upload-box i {
    font-size: 3rem;
    color: var(--coral);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.voice-recording {
    text-align: center;
}

.voice-recording i {
    font-size: 3rem;
    color: var(--coral);
    margin-bottom: var(--spacing-sm);
}

.wave-animation {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
}

.wave-animation span {
    width: 4px;
    background: var(--coral);
    border-radius: var(--radius-full);
    animation: wave 1s infinite ease-in-out;
}

.wave-animation span:nth-child(1) { height: 15px; animation-delay: 0s; }
.wave-animation span:nth-child(2) { height: 25px; animation-delay: 0.1s; }
.wave-animation span:nth-child(3) { height: 35px; animation-delay: 0.2s; }

.avatar-interface {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--gradient-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.avatar-small {
    font-size: 2.5rem;
}

.lesson-preview-text h4 {
    margin-bottom: var(--spacing-xs);
}

.progress-stars {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.progress-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--success);
}

/* ============================================================
   Trust Section
   ============================================================ */
.trust-section {
    background: var(--white);
    padding: var(--spacing-xl) 0;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.trust-badge {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--off-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.badge-icon {
    font-size: 3rem;
    color: var(--coral);
    margin-bottom: var(--spacing-sm);
}

.trust-badge p {
    font-weight: 600;
    color: var(--gray-700);
    line-height: 1.4;
}

.tech-stack {
    text-align: center;
    color: var(--gray-600);
    font-size: 1rem;
}

/* ============================================================
   Testimonials
   ============================================================ */
.testimonials-section {
    background: var(--gradient-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-avatar {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.testimonial-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.quote-text {
    font-style: italic;
    color: var(--gray-800);
    line-height: 1.8;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author strong {
    color: var(--gray-900);
}

.testimonial-author span {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.quote-author {
    text-align: center;
    color: var(--coral);
    font-weight: 600;
    font-size: 0.95rem;
}

.testimonial-rating {
    color: #FFD700;
    font-size: 1.25rem;
}

/* ============================================================
   Pricing Section
   ============================================================ */
.pricing-section {
    background: var(--off-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.pricing-grid-5 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    position: relative;
    border: 2px solid rgba(139, 92, 246, 0.4);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--glow-purple);
    border-color: var(--neon-purple);
}

.pricing-card.featured {
    border-color: var(--neon-pink);
    box-shadow: var(--glow-pink);
    background: rgba(61, 36, 99, 0.8);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    color: var(--gray-800);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(139, 92, 246, 0.3);
}

.pricing-header h3 {
    font-size: 1.75rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.5rem;
    color: var(--gray-300);
}

.amount {
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.period {
    font-size: 1rem;
    color: var(--gray-300);
}

.amount-text {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--gray-800);
    font-weight: 500;

}

.pricing-features i {
    font-size: 1.25rem;
}

.pricing-features .fa-check {
    color: var(--success);
}

.pricing-features .fa-times {
    color: var(--gray-400);
}

.early-bird-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 107, 157, 0.1);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.9rem;
    color: var(--coral);
    font-weight: 600;
}

.pricing-note {
    margin-top: var(--spacing-sm);
    text-align: center;
    opacity: 0.7;
}

.pricing-note small {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.pricing-card.elite {
    border-color: #A855F7;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.05) 0%, rgba(255, 107, 157, 0.05) 100%);
    box-shadow: 0 10px 40px rgba(168, 85, 247, 0.15);
}

.elite-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #A855F7 0%, #764ba2 100%);
    color: var(--gray-800);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
}

.pricing-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.info-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--coral);
}

.info-card h4 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.info-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================================
   FAQ Section
   ============================================================ */
.faq-section {
    background: var(--white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--purple-200);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
    cursor: pointer;
    text-align: left;
    transition: var(--transition-base);
}

.faq-question:hover {
    background: rgba(139, 92, 246, 0.2);
}

.faq-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.faq-question i {
    margin-left: auto;
    transition: var(--transition-base);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--gray-800);
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
    line-height: 1.8;
}

/* ============================================================
   Waitlist Section
   ============================================================ */
.waitlist-section {
    background: var(--gradient-primary);
    padding: var(--spacing-2xl) 0;
}

.waitlist-card {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--glow-purple);
    border: 2px solid rgba(139, 92, 246, 0.5);
}

.waitlist-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.waitlist-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--gray-800);
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
    margin-bottom: var(--spacing-xl);
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(248, 245, 255, 0.9);
    border: 1px solid rgba(139, 92, 246, 0.4);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--gray-700);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple);
}

.subject-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1rem;
    font-weight: 600;
    color: var(--purple-700);
    margin-bottom: var(--spacing-sm);
}

.subject-label i {
    color: var(--pink-500);
}

.subject-checkboxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(248, 245, 255, 0.5);
    border: 2px solid var(--purple-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.checkbox-item:hover {
    background: rgba(243, 232, 255, 0.8);
    border-color: var(--purple-300);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--purple-600);
}

.checkbox-item span {
    font-size: 0.95rem;
    color: var(--gray-700);
    font-weight: 500;
}

.checkbox-item:has(input:checked) {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(236, 72, 153, 0.15));
    border-color: var(--purple-500);
}

.checkbox-item:has(input:checked) span {
    color: var(--purple-700);
    font-weight: 600;
}

.checkbox-item:has(input:disabled) {
    opacity: 0.5;
    cursor: not-allowed;
}

.subject-counter {
    text-align: center;
    font-size: 0.9rem;
    color: var(--purple-600);
    font-weight: 600;
    margin: 0;
}

.form-note {
    text-align: center;
    font-size: 0.95rem;
    color: var(--gray-700);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.form-note i {
    color: var(--pink-500);
}

.success-message {
    display: none;
    text-align: center;
    animation: fadeInUp 0.5s ease;
}

.success-message.show {
    display: block;
}

.success-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-md);
}

.success-message h3 {
    color: var(--success);
    margin-bottom: var(--spacing-sm);
}

.success-message p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.share-buttons {
    padding: var(--spacing-lg);
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.share-buttons p {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.social-share {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    color: var(--gray-800);
    font-weight: 600;
    transition: var(--transition-base);
}

.share-btn:hover {
    transform: translateY(-2px);
}

.share-btn.twitter {
    background: #1DA1F2;
}

.share-btn.facebook {
    background: #4267B2;
}

.share-btn.whatsapp {
    background: #25D366;
}

.founder-note {
    max-width: 800px;
    margin: var(--spacing-2xl) auto 0;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.founder-photo {
    font-size: 4rem;
    flex-shrink: 0;
}

.founder-text p {
    margin-bottom: var(--spacing-sm);
}

.founder-signature {
    font-weight: 700;
    color: var(--gray-900);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
    background: var(--purple-50);
    background-image: linear-gradient(180deg, rgba(26, 11, 46, 0.95) 0%, rgba(15, 5, 30, 1) 100%);
    border-top: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    margin: var(--spacing-md) 0;
    color: var(--gray-400);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lavender);
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--gradient-secondary);
    box-shadow: var(--glow-pink);
    transform: translateY(-3px);
    border-color: var(--neon-pink);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-md);
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--neon-pink);
    text-shadow: var(--glow-pink);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(139, 92, 246, 0.3);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-badges .badge {
    background: var(--gray-800);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

/* ============================================================
   Confetti Canvas
   ============================================================ */
#confettiCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* ============================================================
   Responsive Design
   ============================================================ */
@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .section-title { font-size: 2rem; }
    .section-subtitle { font-size: 1.125rem; }
    
    /* Navigation */
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        align-items: center;
    }
    
    /* Steps */
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    /* Tabs */
    .tab-inner {
        grid-template-columns: 1fr;
    }
    
    .tab-image {
        order: -1;
    }
    
    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid-5 {
        grid-template-columns: 1fr;
    }
    
    .pricing-info {
        grid-template-columns: 1fr;
    }
    
    /* Form */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .subject-checkboxes {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    /* Form */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Founder note */
    .founder-note {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}