/* ============================================
   ËPIQUE - Modern Parallax Website
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Ëpique Brand (Blue/Cyan theme) */
    --primary: #00A3E0;
    --primary-dark: #0088C2;
    --primary-light: #33B8E8;
    --secondary: #1A2B4A;
    --accent: #00D4FF;

    --dark: #1A2B4A;
    --dark-light: #243553;
    --dark-lighter: #2E4263;

    --light: #f8fafc;
    --light-dark: #e2e8f0;
    --light-darker: #cbd5e1;

    --text-primary: #1A2B4A;
    --text-secondary: #3D5A80;
    --text-muted: #6B8CAE;
    --text-light: #ffffff;

    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Gradients - Ëpique Brand */
    --gradient-primary: linear-gradient(135deg, #00A3E0 0%, #0088C2 50%, #006699 100%);
    --gradient-dark: linear-gradient(180deg, #1A2B4A 0%, #243553 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 163, 224, 0.1) 0%, rgba(26, 43, 74, 0.1) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(0, 163, 224, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Layout */
    --container-max: 1200px;
    --navbar-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Typography */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.navbar.scrolled .nav-links a {
    color: var(--text-primary);
}

.navbar.scrolled .logo-text {
    color: var(--text-primary);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.logo-icon-img {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
}

.logo-icon {
    font-size: var(--font-size-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    color: var(--text-light);
    transition: color var(--transition-base);
    margin-top: 4px;
}

.logo-name {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1;
}

.logo-ia {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.logo-tagline {
    font-size: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 0.7;
    text-transform: uppercase;
    margin-top: 2px;
}

.navbar.scrolled .logo-name {
    color: var(--text-primary);
}

.navbar.scrolled .logo-tagline {
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-links a {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-light);
    transition: all var(--transition-base);
}

.navbar.scrolled .nav-toggle span {
    background: var(--text-primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 163, 224, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(0, 163, 224, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

/* ============================================
   PARALLAX SECTIONS
   ============================================ */
.parallax-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -1;
}

.parallax-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: var(--spacing-4xl) 0;
}

/* Hero Background */
.hero-bg {
    background: var(--gradient-dark);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 163, 224, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 136, 194, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 40%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Features Background */
.features-bg {
    background: linear-gradient(135deg, #1A2B4A 0%, #243553 50%, #0D1B2A 100%);
}

.features-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(0, 163, 224, 0.2) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 30%);
}

/* Modules Background */
.modules-bg {
    background: linear-gradient(180deg, #1A2B4A 0%, #243553 100%);
}

.modules-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(0, 163, 224, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 40%);
}

/* CTA Background */
.cta-bg {
    background: linear-gradient(135deg, #00A3E0 0%, #0088C2 50%, #1A2B4A 100%);
}

.cta-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    padding-top: var(--navbar-height);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 163, 224, 0.2);
    border: 1px solid rgba(0, 163, 224, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-7xl));
    font-weight: 800;
    color: var(--text-light);
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
}

.hero-subtitle {
    font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-xl));
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-light);
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: var(--radius-full);
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-header.centered {
    text-align: center;
}

.section-header.light .section-title,
.section-header.light .section-subtitle {
    color: var(--text-light);
}

.section-header.light .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 163, 224, 0.1);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
}

.section-header.centered .section-subtitle {
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.highlight {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.highlight-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--text-light);
}

.highlight-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.highlight-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* About Visual */
.about-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.central-logo {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-4xl);
    color: var(--text-light);
    box-shadow: var(--shadow-glow);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: var(--shadow-glow); }
    50% { transform: scale(1.05); box-shadow: 0 0 60px rgba(0, 163, 224, 0.5); }
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    animation: float 4s ease-in-out infinite;
}

.card-icon {
    font-size: var(--font-size-xl);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 20%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.card-4 {
    bottom: 10%;
    right: 15%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-parallax {
    min-height: auto;
    padding: var(--spacing-4xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works {
    background: var(--light);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.step {
    flex: 1;
    min-width: 220px;
    max-width: 260px;
    text-align: center;
    position: relative;
}

.step-number {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.step-content {
    position: relative;
}

.step-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 2px solid var(--light-dark);
    border-radius: var(--radius-2xl);
    margin: 0 auto var(--spacing-lg);
    color: var(--primary);
    transition: all var(--transition-base);
}

.step:hover .step-icon {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-light);
    transform: scale(1.1);
}

.step-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    flex: 0 0 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary));
    margin-top: 100px;
    position: relative;
}

.step-connector::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--primary);
    border-top: 2px solid var(--primary);
    transform: rotate(45deg);
}

/* ============================================
   MODULES SECTION
   ============================================ */
.modules-parallax {
    min-height: auto;
    padding: var(--spacing-4xl) 0;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.module-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.module-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
    border-color: rgba(0, 163, 224, 0.3);
}

.module-card:hover::before {
    transform: scaleX(1);
}

.module-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 163, 224, 0.1);
    border-radius: var(--radius-xl);
    color: var(--primary-light);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.module-card:hover .module-icon {
    background: var(--gradient-primary);
    color: var(--text-light);
}

.module-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.module-card > p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.module-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.module-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.module-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 600;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background: var(--light);
}

.testimonials-slider {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-card {
    display: none;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease;
}

.testimonial-card.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.testimonial-content {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.quote-icon {
    font-size: var(--font-size-6xl);
    font-family: Georgia, serif;
    color: var(--primary-light);
    opacity: 0.3;
    position: absolute;
    top: -20px;
    left: -10px;
    line-height: 1;
}

.testimonial-content p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    color: var(--text-light);
    font-weight: 600;
}

.author-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--light-darker);
    transition: all var(--transition-base);
}

.dot.active {
    width: 30px;
    background: var(--gradient-primary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-parallax {
    min-height: 60vh;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.cta-buttons .btn-primary:hover {
    background: var(--light);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
}

.contact-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 163, 224, 0.1);
    border-radius: var(--radius-lg);
    color: var(--primary);
}

.method-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.method-info a,
.method-info span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.method-info a:hover {
    color: var(--primary);
}

/* Contact Form */
.contact-form-container {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

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

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

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--light-dark);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all var(--transition-base);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 163, 224, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin: var(--spacing-lg) 0;
    line-height: 1.7;
}

.footer-brand .logo-text {
    color: var(--text-light);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--text-light);
}

.footer-links h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--text-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.footer-legal a:hover {
    color: var(--text-light);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .features-grid,
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }

    .about-visual {
        order: -1;
        height: 300px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 70px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .features-grid,
    .modules-grid {
        grid-template-columns: 1fr;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
    }

    .step {
        max-width: 100%;
    }

    .step-connector {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .parallax-bg {
        background-attachment: scroll;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .contact-form-container {
        padding: var(--spacing-lg);
    }

    .floating-card {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
}

/* ============================================
   ANIMATIONS ON SCROLL
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }
[data-aos-delay="500"] { transition-delay: 500ms; }

/* ============================================
   SCREENSHOTS SECTION
   ============================================ */
.screenshots {
    background: var(--light);
}

.screenshots-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    justify-content: center;
    max-width: 100%;
    padding: var(--spacing-sm) 0;
}

.screenshot-tab {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: 2px solid var(--light-darker);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.screenshot-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.screenshot-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.screenshots-content {
    position: relative;
}

.screenshot-item {
    display: none;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    animation: fadeIn 0.5s ease;
}

.screenshot-item.active {
    display: grid;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.screenshot-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.screenshot-image img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 163, 224, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.screenshot-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.screenshot-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.screenshot-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.screenshot-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.screenshot-features li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .screenshot-item {
        grid-template-columns: 1fr;
    }

    .screenshot-info {
        text-align: center;
    }

    .screenshot-features {
        grid-template-columns: 1fr;
        justify-items: center;
    }
}

/* ============================================
   AI HOUSE AUTOMATION SECTION
   ============================================ */

.ai-automation-parallax {
    background: var(--gradient-dark);
    min-height: auto;
    padding: var(--spacing-4xl) 0;
}

.ai-bg {
    background: linear-gradient(135deg, #1A2B4A 0%, #0a1628 100%);
    opacity: 0.95;
}

/* AI Benefits Grid */
.ai-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-4xl);
}

.ai-benefit-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.ai-benefit-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.ai-benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-benefit-icon svg {
    stroke: white;
}

.ai-benefit-card h3 {
    color: var(--text-light);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.ai-benefit-card p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* AI Steps Section */
.ai-steps-section {
    margin-bottom: var(--spacing-4xl);
}

.ai-steps-title {
    color: var(--text-light);
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.ai-automation-steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
}

.ai-step-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    text-align: center;
}

.ai-step-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 163, 224, 0.3);
    transform: translateY(-3px);
}

.ai-step-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.ai-step-number {
    font-size: 10px;
    font-weight: 700;
    color: var(--accent);
    background: rgba(0, 212, 255, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.ai-step-header h4 {
    color: var(--text-light);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.ai-step-card > p {
    color: var(--text-muted);
    font-size: 10px;
    line-height: 1.4;
    margin: 0;
}

.ai-feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, rgba(0, 163, 224, 0.2), rgba(0, 212, 255, 0.2));
    border: 1px solid rgba(0, 163, 224, 0.3);
    border-radius: var(--radius-full);
    padding: 4px 10px;
    font-size: 10px;
    color: var(--accent);
    font-weight: 500;
}

.ai-feature-tag svg {
    width: 12px;
    height: 12px;
    stroke: var(--accent);
}

/* AI CTA Section */
.ai-cta-section {
    background: linear-gradient(135deg, rgba(0, 163, 224, 0.1), rgba(0, 212, 255, 0.05));
    border: 1px solid rgba(0, 163, 224, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    text-align: center;
}

.ai-cta-content h3 {
    color: var(--text-light);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.ai-cta-content p {
    color: var(--text-muted);
    font-size: var(--font-size-base);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.ai-cta-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
}

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

.ai-stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.ai-stat-label {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Responsive AI Section */
@media (max-width: 1200px) {
    .ai-automation-steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .ai-benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ai-automation-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .ai-benefits-grid {
        grid-template-columns: 1fr;
    }

    .ai-automation-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .ai-cta-stats {
        flex-direction: row;
        gap: var(--spacing-xl);
    }

    .ai-stat-number {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .ai-automation-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

/* ============================================
   COMPACT MODULES GRID
   ============================================ */

.modules-grid-compact {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
}

.module-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.module-compact:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 163, 224, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 163, 224, 0.2);
}

.module-compact-icon {
    font-size: 1.75rem;
    line-height: 1;
}

.module-compact span:last-child {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
}

@media (max-width: 1200px) {
    .modules-grid-compact {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .modules-grid-compact {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .module-compact {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .module-compact-icon {
        font-size: 1.5rem;
    }

    .module-compact span:last-child {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .modules-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Module Modal Styles - Hover Tooltip */
.module-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.module-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.module-modal {
    background: linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 100%);
    border: 1px solid rgba(0, 163, 224, 0.4);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 380px;
    width: max-content;
    position: fixed;
    transform: scale(0.95) translateY(5px);
    transition: all 0.15s ease;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 163, 224, 0.2);
    pointer-events: auto;
}

.module-modal-overlay.active .module-modal {
    transform: scale(1) translateY(0);
}

.module-modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.module-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
}

.module-modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-right: var(--spacing-lg);
}

.module-modal-icon {
    font-size: 2rem;
    line-height: 1;
}

.module-modal-title {
    color: var(--text-light);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.module-modal-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.module-modal-features h4 {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.module-modal-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.module-modal-features li {
    color: var(--text-light);
    font-size: 0.8rem;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
}

.module-modal-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
    font-size: 0.7rem;
}

@media (max-width: 600px) {
    .module-modal {
        max-width: calc(100vw - 40px);
        padding: var(--spacing-md);
    }

    .module-modal-features ul {
        grid-template-columns: 1fr;
    }

    .module-modal-icon {
        font-size: 1.75rem;
    }

    .module-modal-title {
        font-size: 1.1rem;
    }
}

/* ============================================
   VIDEO TIMELINE SECTION
   ============================================ */

.video-timeline-container {
    margin-top: var(--spacing-2xl);
}

/* Timeline Navigation */
.timeline-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.timeline-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    min-width: 100px;
}

.timeline-btn:hover {
    border-color: rgba(0, 163, 224, 0.5);
    background: rgba(0, 163, 224, 0.1);
}

.timeline-btn.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(0, 163, 224, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
}

.timeline-btn-number {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--primary);
    opacity: 0.7;
}

.timeline-btn.active .timeline-btn-number {
    opacity: 1;
}

.timeline-btn-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
}

.timeline-btn.active .timeline-btn-title {
    color: white;
}

.timeline-connector {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 163, 224, 0.3) 0%, rgba(0, 163, 224, 0.1) 100%);
}

/* Timeline Content Area */
.timeline-content-area {
    position: relative;
    min-height: 450px;
}

.timeline-phase {
    display: none;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    animation: fadeInPhase 0.4s ease;
}

.timeline-phase.active {
    display: grid;
}

@keyframes fadeInPhase {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Video Placeholder */
.phase-video-wrapper {
    position: relative;
}

.video-placeholder {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(145deg, #0a0a14 0%, #1a1a2e 100%);
    border: 1px solid rgba(0, 163, 224, 0.3);
    cursor: pointer;
}

.video-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.video-placeholder-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, rgba(0, 163, 224, 0.05) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 0;
}

.video-placeholder-bg svg {
    color: rgba(0, 163, 224, 0.2);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
    transition: all var(--transition-normal);
}

.video-placeholder:hover .video-overlay {
    background: rgba(0, 0, 0, 0.3);
}

.play-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 40px rgba(0, 163, 224, 0.4);
}

.play-btn svg {
    color: white;
    margin-left: 5px;
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 50px rgba(0, 163, 224, 0.5);
}

/* Phase Info */
.phase-info {
    padding: var(--spacing-lg);
}

.phase-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.ai-badge-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.phase-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-light);
    margin: 0;
}

.phase-desc {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.phase-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
}

.phase-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.phase-features li svg {
    color: var(--success);
    flex-shrink: 0;
}

.phase-stats {
    display: flex;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 992px) {
    .timeline-phase {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .timeline-nav {
        gap: var(--spacing-xs);
    }

    .timeline-connector {
        width: 20px;
    }

    .timeline-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        min-width: auto;
    }

    .timeline-btn-title {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 600px) {
    .timeline-nav {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .timeline-connector {
        display: none;
    }

    .timeline-btn {
        flex: 1 1 calc(33% - var(--spacing-sm));
        min-width: 80px;
    }

    .phase-stats {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

    .play-btn {
        width: 60px;
        height: 60px;
    }

    .play-btn svg {
        width: 40px;
        height: 40px;
    }
}