/* ========================================
   CSS Variables & Theme
   ======================================== */

:root {
    /* Colors - Light Mode */
    --color-bg: #fafafa;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f0f0f5;
    --color-text: #0f0f0f;
    --color-text-secondary: #3a3a4a;
    --color-text-muted: #6b6b7b;
    --color-primary: #0055ff;
    --color-primary-rgb: 0, 85, 255;
    --color-primary-hover: #0044cc;
    --color-accent: #6366f1;
    --color-accent-rgb: 99, 102, 241;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-strong: rgba(0, 0, 0, 0.12);
    --color-card-bg: #ffffff;
    --color-card-shadow: rgba(0, 0, 0, 0.04);
    --color-card-shadow-hover: rgba(0, 0, 0, 0.08);
    --color-glow: rgba(0, 85, 255, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0055ff 0%, #6366f1 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(0, 85, 255, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    --gradient-mesh: linear-gradient(160deg,
                     rgba(0, 85, 255, 0.06) 0%,
                     rgba(99, 102, 241, 0.04) 25%,
                     transparent 50%,
                     rgba(0, 85, 255, 0.03) 75%,
                     rgba(99, 102, 241, 0.05) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.75rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 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;
    --spacing-5xl: 8rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    --border-radius-xs: 6px;
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-2xl: 32px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06), 0 5px 10px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.08), 0 10px 20px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(0, 85, 255, 0.15);

    /* Mouse tracking (set by JS) */
    --mouse-x: 50%;
    --mouse-y: 50%;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg: #09090b;
    --color-bg-secondary: #18181b;
    --color-bg-tertiary: #27272a;
    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    --color-primary: #3b82f6;
    --color-primary-rgb: 59, 130, 246;
    --color-primary-hover: #60a5fa;
    --color-accent: #818cf8;
    --color-accent-rgb: 129, 140, 248;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.12);
    --color-card-bg: #18181b;
    --color-card-shadow: rgba(0, 0, 0, 0.3);
    --color-card-shadow-hover: rgba(0, 0, 0, 0.4);
    --color-glow: rgba(59, 130, 246, 0.2);

    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #818cf8 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(129, 140, 248, 0.1) 100%);
    --gradient-mesh: linear-gradient(160deg,
                     rgba(59, 130, 246, 0.12) 0%,
                     rgba(129, 140, 248, 0.08) 25%,
                     transparent 50%,
                     rgba(59, 130, 246, 0.06) 75%,
                     rgba(129, 140, 248, 0.1) 100%);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.3), 0 5px 10px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.4), 0 10px 20px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.25);
}

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

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

html {
    font-size: var(--font-size-base);
}

html.lenis,
html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-slow), color var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.loading {
    overflow: hidden;
}

::selection {
    background-color: rgba(var(--color-primary-rgb), 0.2);
    color: var(--color-text);
}

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

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

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

ul {
    list-style: none;
}

/* ========================================
   Noise Texture Overlay
   ======================================== */

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 10000;
}

[data-theme="dark"] body::before {
    opacity: 0.05;
}

/* ========================================
   Scroll Progress Indicator
   ======================================== */

.scroll-progress {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 100px;
    background: var(--color-border);
    border-radius: 2px;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
}

body:not(.loading) .scroll-progress {
    opacity: 1;
}

.scroll-progress-bar {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transform-origin: top;
    transform: scaleY(0);
}

/* ========================================
   Preloader
   ======================================== */

.preloader {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    transition: transform 0.8s cubic-bezier(0.76, 0, 0.24, 1);
}

.preloader--hidden {
    transform: translateY(-100%);
    pointer-events: none;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.preloader-logo {
    color: var(--color-primary);
}

.preloader-logo-path {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
}

.preloader-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    animation: pulse-opacity 1.5s ease-in-out infinite;
}

@keyframes pulse-opacity {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ========================================
   Utilities
   ======================================== */

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

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

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

/* Text split animation styles */
.word {
    display: inline-block;
    overflow: hidden;
}

.word-inner {
    display: inline-block;
}

/* ========================================
   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-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-md), 0 0 20px rgba(var(--color-primary-rgb), 0.3);
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--color-primary-rgb), 0.4);
    color: #ffffff;
}

.btn-secondary {
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(3px);
}

/* Magnetic button states */
.magnetic {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background-color: rgba(var(--color-bg-secondary), 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .header.scrolled {
    background-color: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] .header.scrolled {
    background-color: rgba(24, 24, 27, 0.8);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    transition: all var(--transition-fast);
}

.nav-logo:hover {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    position: relative;
    transition: all var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text);
    background-color: var(--color-bg-tertiary);
}

.nav-links a.active {
    color: var(--color-primary);
    background-color: rgba(var(--color-primary-rgb), 0.1);
}

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

.theme-toggle {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    cursor: pointer;
    padding: var(--spacing-sm);
    width: 44px;
    height: 44px;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--color-text);
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-border-strong);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.icon-moon {
    display: none;
}

[data-theme="dark"] .icon-sun {
    display: none;
}

[data-theme="dark"] .icon-moon {
    display: block;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--color-text);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

/* Mouse-tracking gradient */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.15) 0%, transparent 70%);
    top: var(--mouse-y);
    left: var(--mouse-x);
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: top 0.8s ease-out, left 0.8s ease-out;
}

/* Grid lines background */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Floating shapes */
.hero-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    will-change: transform;
}

.hero-shape-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.1) 0%, transparent 70%);
    top: 10%;
    left: 10%;
    animation: float-slow 20s ease-in-out infinite;
}

.hero-shape-2 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.08) 0%, transparent 70%);
    top: 60%;
    right: 15%;
    animation: float-slow 25s ease-in-out infinite reverse;
}

.hero-shape-3 {
    width: 100px;
    height: 100px;
    border: 2px solid rgba(var(--color-primary-rgb), 0.2);
    top: 30%;
    right: 25%;
    animation: rotate-slow 30s linear infinite;
}

.hero-shape-4 {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    opacity: 0.1;
    bottom: 20%;
    left: 20%;
    animation: float-slow 15s ease-in-out infinite;
}

.hero-shape-5 {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    top: 40%;
    left: 30%;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-10px); }
    75% { transform: translateY(-30px) translateX(5px); }
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero .container {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    letter-spacing: -0.03em;
    line-height: 1.1;
    opacity: 0;
    transform: translateY(50px);
}

body:not(.loading) .hero-title {
    animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.3s;
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: -0.05em;
    right: -0.05em;
    height: 0.3em;
    background: var(--gradient-primary);
    opacity: 0.2;
    border-radius: 4px;
    z-index: -1;
}

.hero-tagline {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateY(50px);
}

body:not(.loading) .hero-tagline {
    animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.4s;
}

.hero-intro {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
    opacity: 0;
    transform: translateY(50px);
}

body:not(.loading) .hero-intro {
    animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.5s;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(50px);
}

body:not(.loading) .hero-cta {
    animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.6s;
}

.hero-scroll {
    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(--color-text-muted);
    font-size: var(--font-size-sm);
    opacity: 0;
}

body:not(.loading) .hero-scroll {
    animation: fadeIn 1s ease 0.9s forwards, float 3s ease-in-out infinite 0.9s;
}

.hero-scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border-strong);
    border-radius: 12px;
    position: relative;
}

.hero-scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-text-muted);
    border-radius: 2px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 0.5; }
}

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

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

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

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

/* ========================================
   Apps Section
   ======================================== */

.apps {
    padding: var(--spacing-5xl) 0;
    background-color: var(--color-bg);
    position: relative;
}

.apps::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
}

.apps .container {
    position: relative;
    z-index: 1;
}

.apps-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.apps-grid {
    display: grid;
    gap: var(--spacing-2xl);
}

/* ========================================
   App Cards (Vertical Layout)
   ======================================== */

.app-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    will-change: transform;
    transform-style: preserve-3d;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.app-card:hover {
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

/* Glare overlay */
.card-glare {
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s;
}

.app-card:hover .card-glare {
    opacity: 1;
}

.app-card-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

/* App card content (left side) */
.app-card-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.app-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-spring);
}

.app-card:hover .app-icon {
    transform: scale(1.05) rotate(-2deg);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder-icon {
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.app-info {
    flex: 1;
}

.app-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.app-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 500;
}

.app-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-md);
}

.app-features {
    display: grid;
    gap: var(--spacing-xs);
}

.app-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.app-features li::before {
    content: '→';
    color: var(--color-primary);
    font-weight: 600;
    flex-shrink: 0;
}

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

.app-store-link {
    display: inline-block;
    transition: all var(--transition-base);
}

.app-store-link:hover {
    filter: brightness(1.1);
}

.app-store-link img {
    height: 40px;
}

.coming-soon {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-subtle);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    border-radius: var(--border-radius);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Device mockups container (right side) */
.app-card-visuals {
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-mockups {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-lg);
}

.device-mockup {
    position: relative;
    transition: transform 0.3s ease;
}

/* Positioning for multiple screenshots */
.device-mockup-1 {
    z-index: 3;
}

.device-mockup-2 {
    position: absolute;
    left: -60px;
    z-index: 2;
    transform: rotate(-8deg) scale(0.9);
    opacity: 0.85;
}

.device-mockup-3 {
    position: absolute;
    right: -60px;
    z-index: 1;
    transform: rotate(8deg) scale(0.9);
    opacity: 0.85;
}

.device-frame {
    position: relative;
    width: 180px;
    height: 380px;
    background: #1a1a1a;
    border-radius: 32px;
    padding: 10px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 15px 40px rgba(0, 0, 0, 0.25),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.device-notch {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: #1a1a1a;
    border-radius: 0 0 16px 16px;
    z-index: 10;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg-tertiary);
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}

.app-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-screenshot-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #fff;
    font-size: var(--font-size-3xl);
    font-weight: 800;
}

.placeholder-app-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
}

/* ========================================
   About Section
   ======================================== */

.about {
    padding: var(--spacing-5xl) 0;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.about-content {
    display: grid;
    gap: var(--spacing-3xl);
    max-width: 800px;
    margin: 0 auto;
}

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

.about-text p:last-child {
    margin-bottom: 0;
}

.about-text p:first-child {
    font-size: var(--font-size-xl);
    color: var(--color-text);
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    padding: var(--spacing-5xl) 0;
    background-color: var(--color-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
}

.contact .container {
    position: relative;
    z-index: 1;
}

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

.contact-intro {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: var(--spacing-lg) auto 0;
    line-height: 1.7;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-2xl);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    color: var(--color-text-secondary);
    min-width: 140px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Subtle gradient pulse on hover */
.contact-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(var(--color-primary-rgb), 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.contact-link:hover {
    color: var(--color-primary);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    box-shadow: var(--shadow-md);
}

.contact-link:hover::before {
    opacity: 1;
    animation: gradient-pulse 2s ease-in-out infinite;
}

@keyframes gradient-pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.contact-link svg {
    width: 28px;
    height: 28px;
    position: relative;
    z-index: 1;
    transition: transform var(--transition-spring);
}

.contact-link:hover svg {
    transform: scale(1.15);
}

.contact-link span {
    font-size: var(--font-size-sm);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

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

.footer {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

/* ========================================
   Scroll animations (fallback)
   ======================================== */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

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

/* Tablet */
@media (max-width: 1024px) {
    .app-card-horizontal {
        width: 90vw;
        height: auto;
        min-height: 80vh;
        padding: var(--spacing-2xl);
    }

    .app-card-horizontal-inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .app-card-device {
        order: -1;
    }

    .device-frame {
        width: 200px;
        height: 420px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .nav-links {
        display: none;
    }

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

    .hero {
        min-height: auto;
        padding: calc(72px + var(--spacing-4xl)) 0 var(--spacing-4xl);
    }

    .hero-scroll {
        display: none;
    }

    .hero-grid {
        background-size: 40px 40px;
    }

    /* Disable horizontal scroll on mobile */
    .apps-horizontal {
        height: auto;
        overflow: visible;
    }

    .apps-horizontal-wrapper {
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-2xl);
    }

    .app-card-horizontal {
        width: 100%;
        max-width: none;
    }

    .horizontal-progress,
    .app-counter {
        display: none;
    }

    .scroll-progress {
        display: none;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --container-padding: 1rem;
    }

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

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

    .app-card-horizontal {
        padding: var(--spacing-lg);
    }

    .app-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .device-frame {
        width: 180px;
        height: 380px;
    }

    .contact-links {
        gap: var(--spacing-md);
    }

    .contact-link {
        min-width: 100px;
        padding: var(--spacing-lg);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

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

    html {
        scroll-behavior: auto;
    }

    .cursor {
        display: none;
    }

    body {
        cursor: auto;
    }

    .hero::after {
        display: none;
    }

    .hero-shapes {
        display: none;
    }
}