/* ==========================================
   TChat Landing Page - Ultra Modern Design
   Parallax, Glassmorphism, 3D Effects
   ========================================== */

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --accent-2: #f472b6;

    /* Gradients */
    --gradient-main: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e3a5f 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-text: linear-gradient(135deg, #fff 0%, #c7d2fe 50%, #a5f3fc 100%);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #f8fafc;

    /* Backgrounds */
    --bg-dark: #0a0a0f;
    --bg-darker: #050507;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-light: #f8fafc;

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.3);
    --shadow-glow-lg: 0 0 100px rgba(99, 102, 241, 0.4);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ==========================================
   Reset & Base
   ========================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--bg-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================
   Cursor Glow Effect
   ========================================== */

.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ==========================================
   Navigation
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 14px 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 24px;
    font-family: 'Space Grotesk', sans-serif;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    transition: var(--transition-base);
}

.nav-logo:hover .logo-icon {
    transform: rotate(-5deg) scale(1.05);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    font-size: 15px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: white;
    font-weight: 600;
    font-size: 14px;
    padding: 12px 24px;
    background: var(--gradient-main);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.nav-btn svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-base);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: var(--transition-base);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    padding: 16px;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-btn-mobile {
    background: var(--gradient-main) !important;
    color: white !important;
    text-align: center;
    margin-top: 8px;
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    padding: 120px 24px 80px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

/* Animated Background */
.hero-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-dark);
}

/* Gradient Orbs */
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: orbFloat 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.3;
}

@keyframes orbFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.9);
    }
    75% {
        transform: translate(30px, 50px) scale(1.05);
    }
}

/* Grid Pattern */
.grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Particles Container */
.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: particleFloat 15s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Noise Texture */
.noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 8px 16px 8px 8px;
    border-radius: var(--radius-full);
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}

.badge-pulse {
    position: absolute;
    left: 8px;
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
    }
}

.badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--gradient-main);
    border-radius: 50%;
    margin-left: 16px;
}

.badge-icon svg {
    color: white;
}

.hero-badge > span:last-child {
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: white;
}

.title-line {
    display: block;
}

.title-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 40px;
    line-height: 1.7;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover .btn-shine {
    left: 100%;
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 24px 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 22px;
    height: 22px;
    color: white;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual - 3D Phone */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.phone-container {
    position: relative;
}

.phone-mockup {
    position: relative;
    transform-style: preserve-3d;
    transform: rotateY(-15deg) rotateX(5deg);
    transition: var(--transition-slow);
}

.phone-mockup:hover {
    transform: rotateY(-5deg) rotateX(2deg);
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #1a1a2e 0%, #16162a 100%);
    border-radius: 44px;
    padding: 12px;
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
}

.phone-notch {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #0a0a0f;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    border-radius: 36px;
    overflow: hidden;
}

.phone-reflection {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    border-radius: 44px;
    pointer-events: none;
}

.phone-shadow {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 20px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    filter: blur(10px);
}

/* Chat Preview in Phone */
.chat-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding-top: 40px;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    font-size: 16px;
}

.chat-info {
    display: flex;
    flex-direction: column;
}

.chat-name {
    color: white;
    font-weight: 600;
    font-size: 15px;
}

.chat-status {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    position: relative;
    animation: messageSlide 0.5s ease-out;
}

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

.message span:first-child {
    display: block;
}

.message .time {
    font-size: 10px;
    opacity: 0.6;
    margin-top: 4px;
    display: block;
}

.message.received {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message.sent {
    background: white;
    color: #1a1a2e;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.message.typing {
    padding: 16px 20px;
}

.typing-indicator {
    display: flex;
    gap: 4px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

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

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

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.5);
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ==========================================
   Features Section
   ========================================== */

.features {
    padding: 140px 0;
    position: relative;
    background: var(--bg-darker);
    overflow: hidden;
}

.features-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.bg-gradient-1 {
    position: absolute;
    width: 600px;
    height: 600px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.1;
    top: -200px;
    right: -200px;
}

.bg-gradient-2 {
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--secondary);
    filter: blur(150px);
    opacity: 0.1;
    bottom: -200px;
    left: -200px;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 10;
}

.section-tag {
    display: inline-block;
    background: var(--gradient-main);
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.highlight {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-light {
    color: var(--accent);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 10;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

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

.feature-icon-wrapper {
    position: relative;
    width: 64px;
    height: 64px;
    margin-bottom: 28px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-main);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

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

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.feature-glow {
    position: absolute;
    inset: -10px;
    background: var(--gradient-main);
    border-radius: var(--radius-lg);
    filter: blur(20px);
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card:hover .feature-glow {
    opacity: 0.4;
}

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

.feature-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.feature-card:hover .feature-line {
    transform: scaleX(1);
}

/* ==========================================
   Download Section
   ========================================== */

.download {
    padding: 140px 0;
    position: relative;
    background: var(--bg-dark);
    overflow: hidden;
}

.download-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.download-orb-1 {
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.15;
    top: -100px;
    left: -100px;
}

.download-orb-2 {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--accent);
    filter: blur(150px);
    opacity: 0.1;
    bottom: -100px;
    right: -100px;
}

.download-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 10;
}

.download-text {
    color: white;
}

.download-text h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    margin: 20px 0;
}

.download-text p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.7;
}

.download-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px 24px;
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: white;
    transition: var(--transition-base);
    min-width: 200px;
}

.store-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.store-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.store-btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

.store-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.store-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.store-text {
    display: flex;
    flex-direction: column;
}

.store-text span {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.store-text strong {
    font-size: 18px;
    font-weight: 600;
}

.store-arrow {
    margin-left: auto;
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition-base);
}

.store-btn:hover .store-arrow {
    opacity: 1;
    transform: translateX(0);
}

.store-arrow svg {
    width: 20px;
    height: 20px;
}

.download-features {
    display: flex;
    gap: 24px;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
}

.download-feature svg {
    width: 20px;
    height: 20px;
    color: #22c55e;
}

/* App Showcase */
.download-visual {
    display: flex;
    justify-content: center;
}

.app-showcase {
    position: relative;
}

.showcase-phone {
    width: 260px;
    height: 520px;
    background: linear-gradient(145deg, #1a1a2e 0%, #16162a 100%);
    border-radius: 40px;
    padding: 10px;
    box-shadow:
        0 40px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.showcase-screen {
    width: 100%;
    height: 100%;
    background: #0f0f1a;
    border-radius: 32px;
    overflow: hidden;
}

.app-ui {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: 50px 20px 20px;
    background: var(--gradient-main);
}

.app-header span {
    color: white;
    font-size: 22px;
    font-weight: 700;
}

.app-chats {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.app-chat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    animation: chatItemSlide 0.5s ease-out backwards;
}

.app-chat-item:nth-child(1) { animation-delay: 0.1s; }
.app-chat-item:nth-child(2) { animation-delay: 0.2s; }
.app-chat-item:nth-child(3) { animation-delay: 0.3s; }

@keyframes chatItemSlide {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.app-chat-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.app-avatar {
    width: 44px;
    height: 44px;
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    font-size: 16px;
}

.app-avatar.blue {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.app-avatar.green {
    background: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
}

.app-chat-content {
    flex: 1;
    min-width: 0;
}

.app-chat-name {
    display: block;
    color: white;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.app-chat-msg {
    display: block;
    color: var(--text-muted);
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-chat-time {
    color: var(--text-muted);
    font-size: 11px;
}

.showcase-glow {
    position: absolute;
    inset: -50px;
    background: var(--gradient-main);
    filter: blur(80px);
    opacity: 0.2;
    z-index: -1;
}

/* ==========================================
   CTA Section
   ========================================== */

.cta {
    padding: 120px 0;
    position: relative;
    background: var(--bg-darker);
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-particles {
    position: absolute;
    inset: 0;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 10;
    max-width: 600px;
    margin: 0 auto;
    padding: 60px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
}

.cta-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-main);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
    box-shadow: var(--shadow-glow);
}

.cta-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.cta h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.cta p {
    color: var(--text-muted);
    font-size: 18px;
    margin-bottom: 40px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-main);
    color: white;
    padding: 18px 36px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: var(--transition-base);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.btn-cta svg {
    width: 20px;
    height: 20px;
    transition: var(--transition-base);
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

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

/* ==========================================
   Footer
   ========================================== */

.footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: white;
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 15px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    margin-bottom: 14px;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: white;
    padding-left: 8px;
}

.footer-column a.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.footer-column a.disabled:hover {
    padding-left: 0;
}

.footer-bottom {
    padding: 28px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ==========================================
   Animations on Scroll
   ========================================== */

[data-aos] {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-down"] {
    transform: translateY(-40px);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

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

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 1200px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .hero-content {
        max-width: 600px;
        margin: 0 auto;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .phone-mockup {
        transform: rotateY(0) rotateX(5deg);
    }

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

@media (max-width: 1024px) {
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .download-buttons {
        justify-content: center;
    }

    .download-features {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
        min-height: auto;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .stat-divider {
        width: 100%;
        height: 1px;
    }

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

    .feature-card {
        padding: 32px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .phone-frame {
        width: 240px;
        height: 500px;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .btn {
        width: 100%;
    }

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

    .store-btn {
        width: 100%;
        max-width: 280px;
    }

    .cta-content {
        padding: 40px 24px;
    }

    .download-features {
        flex-direction: column;
        gap: 12px;
    }
}

/* ==========================================
   Reduced Motion
   ========================================== */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .orb,
    .particle {
        animation: none !important;
    }
}