/* ============================================
   CHERLATO - Premium Design System
   ============================================ */

/* CSS Variables */
:root {
    /* Rich Color Palette */
    --color-primary: #FF6B35;
    --color-primary-dark: #E85A2A;
    --color-primary-light: #FF8F66;
    --color-primary-glow: rgba(255, 107, 53, 0.4);

    --color-accent: #845EF7;
    --color-accent-dark: #7048E8;
    --color-accent-light: #9775FA;

    --color-secondary: #0EA5E9;
    --color-tertiary: #10B981;

    /* Deep, Rich Backgrounds */
    --color-dark: #0A0A0F;
    --color-dark-elevated: #12121A;
    --color-dark-card: #1A1A24;
    --color-dark-border: #2A2A38;

    /* Warm Neutrals */
    --color-warm-50: #FEFDFB;
    --color-warm-100: #FBF9F5;
    --color-warm-200: #F5F2EB;
    --color-warm-300: #E8E4DB;
    --color-warm-400: #C9C4B8;
    --color-warm-500: #9A9488;
    --color-warm-600: #706A5E;
    --color-warm-700: #524D44;
    --color-warm-800: #33302A;
    --color-warm-900: #1A1815;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #1a1033 0%, #0d0d1a 50%, #0a1628 100%);
    --gradient-accent: linear-gradient(135deg, #845EF7 0%, #5B21B6 50%, #7C3AED 100%);
    --gradient-warm: linear-gradient(135deg, #FF6B35 0%, #F43F5E 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%);
    --gradient-glow: radial-gradient(ellipse at center, var(--color-primary-glow) 0%, transparent 70%);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    --text-7xl: 6rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    --space-40: 10rem;

    /* Layout */
    --max-width: 1280px;
    --max-width-narrow: 900px;
    --max-width-wide: 1440px;
    --header-height: 88px;

    /* Effects */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-2xl: 40px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 60px var(--color-primary-glow);
    --shadow-glow-accent: 0 0 60px rgba(132, 94, 247, 0.3);

    --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);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-warm-700);
    background-color: var(--color-warm-50);
    overflow-x: hidden;
}

body.nav-open-body {
    overflow: hidden;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.15;
    color: var(--color-warm-900);
    letter-spacing: -0.03em;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   Layout & Container
   ============================================ */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.container-narrow {
    max-width: var(--max-width-narrow);
}

.container-wide {
    max-width: var(--max-width-wide);
}

/* ============================================
   Section Styles
   ============================================ */

.section {
    padding: var(--space-32) 0;
    position: relative;
}

.section-dark {
    background: var(--color-dark);
    color: var(--color-warm-300);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--color-warm-50);
}

.section-gradient {
    background: var(--gradient-hero);
    color: var(--color-warm-300);
    position: relative;
    overflow: hidden;
}

.section-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(132, 94, 247, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.section-gradient h1,
.section-gradient h2,
.section-gradient h3 {
    color: var(--color-warm-50);
}

.section-cream {
    background: var(--color-warm-100);
}

.section-warm {
    background: linear-gradient(180deg, var(--color-warm-100) 0%, var(--color-warm-50) 100%);
}

/* ============================================
   Typography Components
   ============================================ */

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.section-label::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.section-label-light {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-warm-200);
}

.section-label-light::before {
    background: var(--color-primary);
}

.section-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    margin-bottom: var(--space-6);
    max-width: 900px;
}

.section-title-xl {
    font-size: clamp(var(--text-4xl), 7vw, var(--text-6xl));
}

.section-title em {
    font-style: italic;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--text-xl);
    color: var(--color-warm-500);
    max-width: 640px;
    line-height: 1.6;
}

.section-subtitle-light {
    color: var(--color-warm-400);
}

.section-header {
    margin-bottom: var(--space-20);
}

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

.section-header-centered .section-title,
.section-header-centered .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, 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-warm);
    color: var(--color-warm-50);
    border-color: transparent;
    box-shadow: 0 4px 24px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: var(--color-warm-900);
    color: var(--color-warm-50);
    border-color: var(--color-warm-900);
}

.btn-secondary:hover {
    background: var(--color-warm-800);
    border-color: var(--color-warm-800);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-warm-800);
    border-color: var(--color-warm-300);
}

.btn-outline:hover {
    background: var(--color-warm-900);
    color: var(--color-warm-50);
    border-color: var(--color-warm-900);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-warm-100);
    border-color: rgba(255, 255, 255, 0.3);
}

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

.btn-white {
    background: var(--color-warm-50);
    color: var(--color-warm-900);
    border-color: var(--color-warm-50);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.btn-white:hover {
    background: var(--color-warm-100);
    border-color: var(--color-warm-100);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-base);
}

.btn-xl {
    padding: var(--space-6) var(--space-12);
    font-size: var(--text-lg);
}

/* ============================================
   Header
   ============================================ */

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

.header-scrolled {
    background: rgba(254, 253, 251, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.header-dark {
    background: transparent;
}

.header-dark.header-scrolled {
    background: rgba(10, 10, 15, 0.92);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-10);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    z-index: 10;
}

.logo-mark {
    width: 44px;
    height: 44px;
    background: var(--gradient-warm);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

.logo-mark span {
    width: 8px;
    height: 8px;
    background: var(--color-warm-50);
    border-radius: 50%;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-warm-900);
    letter-spacing: -0.02em;
}

.header-dark .logo-text {
    color: var(--color-warm-50);
}

.header-dark.header-scrolled .logo-text {
    color: var(--color-warm-50);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-10);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-warm-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

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

.header-dark .nav-link {
    color: var(--color-warm-400);
}

.header-dark .nav-link:hover {
    color: var(--color-warm-50);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    z-index: 10;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-warm-800);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.header-dark .mobile-toggle span {
    background: var(--color-warm-200);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-20);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 100% 80% at 70% 20%, rgba(132, 94, 247, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 90% 90%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' 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 {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin-bottom: var(--space-20);
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-warm-400);
    margin-bottom: var(--space-8);
    padding: var(--space-3) var(--space-5);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
}

.hero-label::before {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-primary);
}

.hero-title {
    font-size: clamp(var(--text-4xl), 9vw, var(--text-7xl));
    font-weight: 400;
    line-height: 1.05;
    color: var(--color-warm-50);
    margin-bottom: var(--space-8);
}

.hero-title em {
    font-style: italic;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    font-size: var(--text-xl);
    line-height: 1.7;
    color: var(--color-warm-400);
    max-width: 640px;
    margin-bottom: var(--space-12);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-metrics {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    padding-top: var(--space-16);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 400;
    line-height: 1;
    color: var(--color-warm-50);
    margin-bottom: var(--space-2);
}

.hero-metric-label {
    font-size: var(--text-sm);
    color: var(--color-warm-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   Intro Section
   ============================================ */

.intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-24);
    align-items: center;
}

.intro-content .section-title {
    margin-bottom: var(--space-10);
}

.intro-lead {
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-warm-800);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.intro-content p {
    margin-bottom: var(--space-5);
    font-size: var(--text-lg);
}

.intro-visual {
    position: relative;
}

.intro-card {
    position: relative;
    background: var(--color-warm-50);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow:
        0 32px 64px rgba(0, 0, 0, 0.12),
        0 16px 32px rgba(0, 0, 0, 0.08);
}

.intro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: var(--gradient-hero);
}

.intro-card-header {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-8);
}

.intro-card-avatar {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.1) 100%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    flex-shrink: 0;
}

.intro-card-meta {
    display: flex;
    flex-direction: column;
}

.intro-card-name {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 500;
    color: var(--color-warm-50);
}

.intro-card-role {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

.intro-card-message {
    padding: var(--space-8);
    padding-top: var(--space-4);
}

.intro-card-message p {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-style: italic;
    color: var(--color-warm-700);
    line-height: 1.6;
}

.intro-card-typing {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-6) var(--space-8);
    border-top: 1px solid var(--color-warm-200);
}

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

.intro-card-typing span:nth-child(1) { animation-delay: 0s; }
.intro-card-typing span:nth-child(2) { animation-delay: 0.2s; }
.intro-card-typing span:nth-child(3) { animation-delay: 0.4s; }

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.feature-card {
    position: relative;
    padding: var(--space-12);
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.5), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    border-color: rgba(255, 107, 53, 0.3);
    transform: translateY(-4px);
}

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

.feature-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-warm);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-warm-50);
    margin-bottom: var(--space-6);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.feature-title {
    font-size: var(--text-2xl);
    color: var(--color-warm-50);
    margin-bottom: var(--space-4);
}

.feature-text {
    font-size: var(--text-base);
    color: var(--color-warm-400);
    line-height: 1.7;
}

/* ============================================
   Use Cases
   ============================================ */

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.usecase-card {
    position: relative;
    padding: var(--space-10);
    background: var(--color-warm-50);
    border: 1px solid var(--color-warm-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.usecase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-warm);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.usecase-card:hover {
    border-color: var(--color-warm-300);
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

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

.usecase-large {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
    background: var(--gradient-hero);
    border-color: transparent;
    padding: var(--space-12);
}

.usecase-large::before {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.usecase-large .usecase-content {
    position: relative;
    z-index: 1;
}

.usecase-large .usecase-tag {
    color: var(--color-primary-light);
    background: rgba(255, 107, 53, 0.2);
    border-color: rgba(255, 107, 53, 0.3);
}

.usecase-large .usecase-title {
    color: var(--color-warm-50);
}

.usecase-large .usecase-text {
    color: var(--color-warm-400);
}

.usecase-large-visual {
    position: relative;
    height: 100%;
    min-height: 280px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.usecase-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--space-5);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 107, 53, 0.08);
    border: 1px solid rgba(255, 107, 53, 0.15);
    border-radius: var(--radius-full);
}

.usecase-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.usecase-text {
    color: var(--color-warm-600);
    line-height: 1.7;
}

/* ============================================
   Tech Preview
   ============================================ */

.tech-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
    align-items: center;
}

.tech-preview-content .section-title {
    margin-bottom: var(--space-8);
}

.tech-preview-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-5);
}

.tech-preview-list {
    margin: var(--space-10) 0;
}

.tech-preview-list li {
    position: relative;
    padding-left: var(--space-8);
    margin-bottom: var(--space-4);
    font-size: var(--text-lg);
    color: var(--color-warm-700);
}

.tech-preview-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 16px;
    height: 16px;
    background: var(--gradient-warm);
    border-radius: var(--radius-sm);
}

.tech-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.tech-stack-item {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-6) var(--space-8);
    background: var(--color-warm-50);
    border: 1px solid var(--color-warm-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.tech-stack-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-warm);
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.tech-stack-item:hover {
    border-color: var(--color-primary);
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.tech-stack-item:hover::before {
    transform: scaleY(1);
}

.tech-stack-label {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-warm-900);
}

.tech-stack-desc {
    font-size: var(--text-sm);
    color: var(--color-warm-500);
}

/* ============================================
   Stats Section
   ============================================ */

.stats-header {
    max-width: 600px;
    margin-bottom: var(--space-16);
}

.stats-header .section-title {
    margin-bottom: var(--space-4);
}

.stats-header p {
    font-size: var(--text-lg);
    color: var(--color-warm-500);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.stat-item {
    position: relative;
    padding: var(--space-10);
    background: var(--color-warm-100);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 400;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-3);
}

.stat-label {
    display: block;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-warm-900);
    margin-bottom: var(--space-2);
}

.stat-context {
    font-size: var(--text-sm);
    color: var(--color-warm-500);
}

/* Dark stats */
.section-dark .stat-item,
.section-gradient .stat-item {
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
}

.section-dark .stat-label,
.section-gradient .stat-label {
    color: var(--color-warm-100);
}

.section-dark .stat-context,
.section-gradient .stat-context {
    color: var(--color-warm-500);
}

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

.section-cta {
    background: var(--gradient-hero);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse 40% 40% at 50% 50%, rgba(132, 94, 247, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 30% 30% at 30% 70%, rgba(255, 107, 53, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    color: var(--color-warm-50);
    margin-bottom: var(--space-6);
}

.cta-text {
    font-size: var(--text-xl);
    color: var(--color-warm-400);
    margin-bottom: var(--space-12);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

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

.footer {
    background: var(--color-dark);
    color: var(--color-warm-400);
    padding: var(--space-24) 0 var(--space-10);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-dark-border), transparent);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-20);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid var(--color-dark-border);
    margin-bottom: var(--space-10);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.footer-logo .logo-text {
    color: var(--color-warm-50);
}

.footer-tagline {
    font-size: var(--text-base);
    max-width: 320px;
    line-height: 1.7;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
}

.footer-nav-title {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-warm-50);
    margin-bottom: var(--space-5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-nav-list li {
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
}

.footer-nav-list a {
    color: var(--color-warm-500);
    transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
    color: var(--color-primary);
}

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

.footer-legal {
    font-size: var(--text-sm);
    color: var(--color-warm-600);
}

.footer-links {
    display: flex;
    gap: var(--space-8);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-warm-500);
    transition: color var(--transition-fast);
}

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

/* ============================================
   Page Hero
   ============================================ */

.page-hero {
    padding: calc(var(--header-height) + var(--space-24)) 0 var(--space-24);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 60% at 70% 30%, rgba(132, 94, 247, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 20% 70%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.page-hero-title {
    font-size: clamp(var(--text-4xl), 7vw, var(--text-6xl));
    color: var(--color-warm-50);
    margin-bottom: var(--space-8);
}

.page-hero-title em {
    font-style: italic;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero-text {
    font-size: var(--text-xl);
    color: var(--color-warm-400);
    line-height: 1.7;
    max-width: 700px;
}

/* ============================================
   Content Sections
   ============================================ */

.content-section {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: var(--space-24) var(--space-8);
}

.content-section h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-8);
}

.content-section p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
    line-height: 1.8;
}

.content-section p strong {
    color: var(--color-warm-900);
    font-weight: 600;
}

.story-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-20);
    align-items: center;
}

.story-content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-8);
}

.story-content p {
    font-size: var(--text-lg);
    line-height: 1.8;
    margin-bottom: var(--space-5);
}

.story-visual {
    background: var(--gradient-hero);
    border-radius: var(--radius-2xl);
    padding: var(--space-16);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 450px;
    position: relative;
    overflow: hidden;
}

.story-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(132, 94, 247, 0.2) 0%, transparent 60%);
}

.story-visual-text {
    position: relative;
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-style: italic;
    color: var(--color-warm-100);
    text-align: center;
    line-height: 1.5;
    max-width: 400px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-16);
}

.value-item {
    padding: var(--space-10);
    background: var(--color-warm-50);
    border: 1px solid var(--color-warm-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.value-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.value-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.value-text {
    color: var(--color-warm-600);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ============================================
   Contact Page
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-20);
    align-items: start;
}

.contact-info h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-5);
}

.contact-info > p {
    font-size: var(--text-lg);
    color: var(--color-warm-600);
    margin-bottom: var(--space-12);
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.contact-item {
    display: flex;
    gap: var(--space-5);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: var(--color-warm-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon::before {
    content: '';
    width: 24px;
    height: 24px;
    background: var(--gradient-warm);
    border-radius: var(--radius-sm);
}

.contact-item-label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-warm-900);
    margin-bottom: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item-value {
    color: var(--color-warm-600);
    line-height: 1.6;
}

.contact-item-value a {
    color: var(--color-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-item-value a:hover {
    color: var(--color-primary-dark);
}

.contact-form-wrapper {
    background: var(--color-warm-50);
    border: 1px solid var(--color-warm-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
    box-shadow: var(--shadow-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-warm-800);
}

.form-label .required {
    color: var(--color-primary);
}

.form-input,
.form-textarea,
.form-select {
    padding: var(--space-4) var(--space-5);
    border: 2px solid var(--color-warm-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    color: var(--color-warm-900);
    background: var(--color-warm-50);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-warm-400);
}

.form-textarea {
    min-height: 160px;
    resize: vertical;
}

.form-select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23706A5E' d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-5) center;
    padding-right: var(--space-12);
}

.form-checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.form-checkbox {
    width: 22px;
    height: 22px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.form-checkbox-label {
    font-size: var(--text-sm);
    color: var(--color-warm-600);
    line-height: 1.5;
}

.form-submit {
    margin-top: var(--space-4);
}

.form-submit .btn {
    width: 100%;
    padding: var(--space-5);
}

.form-note {
    font-size: var(--text-sm);
    color: var(--color-warm-500);
    text-align: center;
    margin-top: var(--space-4);
}

/* ============================================
   Platform Page
   ============================================ */

.platform-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.platform-card {
    position: relative;
    padding: var(--space-12);
    background: var(--color-warm-50);
    border: 1px solid var(--color-warm-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-warm);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.platform-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

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

.platform-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.platform-card-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-warm);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
}

.platform-card-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.platform-card-subtitle {
    font-size: var(--text-sm);
    color: var(--color-warm-500);
}

.platform-card-text {
    color: var(--color-warm-600);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.platform-card-features {
    border-top: 1px solid var(--color-warm-200);
    padding-top: var(--space-6);
}

.platform-card-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-warm-700);
}

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

/* Character Showcase */
.showcase-section {
    background: var(--color-dark);
    padding: var(--space-32) 0;
    position: relative;
}

.showcase-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(132, 94, 247, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 20% 80%, rgba(255, 107, 53, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    position: relative;
    z-index: 1;
}

.showcase-card {
    position: relative;
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    overflow: hidden;
}

.showcase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-warm);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.showcase-card:hover {
    border-color: var(--color-dark-border);
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

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

.showcase-category {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.showcase-name {
    font-size: var(--text-2xl);
    color: var(--color-warm-50);
    margin-bottom: var(--space-4);
}

.showcase-desc {
    font-size: var(--text-sm);
    color: var(--color-warm-500);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.showcase-stats {
    display: flex;
    gap: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-dark-border);
    font-size: var(--text-xs);
    color: var(--color-warm-600);
}

/* ============================================
   Technology Page
   ============================================ */

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-20);
    align-items: center;
}

.tech-content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-8);
}

.tech-content p {
    font-size: var(--text-lg);
    line-height: 1.8;
    margin-bottom: var(--space-5);
}

.tech-visual {
    background: var(--gradient-hero);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    position: relative;
    overflow: hidden;
}

.tech-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 30%, rgba(132, 94, 247, 0.2) 0%, transparent 50%);
}

.tech-layer {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    backdrop-filter: blur(10px);
}

.tech-layer:last-child {
    margin-bottom: 0;
}

.tech-layer-num {
    width: 48px;
    height: 48px;
    background: var(--gradient-warm);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-warm-50);
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.tech-layer-content {
    color: var(--color-warm-50);
}

.tech-layer-title {
    font-weight: 600;
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.tech-layer-desc {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.capability-card {
    position: relative;
    padding: var(--space-10);
    background: var(--color-warm-50);
    border: 1px solid var(--color-warm-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.capability-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.capability-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-warm-100) 0%, var(--color-warm-200) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    position: relative;
}

.capability-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 28px;
    background: var(--gradient-warm);
    border-radius: var(--radius-sm);
}

.capability-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.capability-text {
    font-size: var(--text-base);
    color: var(--color-warm-600);
    line-height: 1.7;
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-16) var(--space-6);
}

.legal-content h1 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.legal-content .last-updated {
    color: var(--color-warm-500);
    margin-bottom: var(--space-12);
}

.legal-content h2 {
    font-size: var(--text-2xl);
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
}

.legal-content h3 {
    font-size: var(--text-xl);
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.legal-content p {
    color: var(--color-warm-700);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.legal-content ul {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.legal-content li {
    color: var(--color-warm-700);
    line-height: 1.8;
    margin-bottom: var(--space-2);
    list-style-type: disc;
}

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

@media (max-width: 1200px) {
    .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .usecase-large {
        grid-column: span 2;
        grid-template-columns: 1fr;
    }

    .usecase-large-visual {
        display: none;
    }
}

@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: var(--space-16);
    }

    .tech-preview {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

    .story-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

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

    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

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

@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }

    .header-inner {
        padding: 0 var(--space-6);
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-warm-50);
        padding: var(--space-10);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }

    .header-dark .nav {
        background: var(--color-dark);
    }

    .nav-open {
        transform: translateX(0);
    }

    .nav-menu {
        flex-direction: column;
        gap: var(--space-8);
    }

    .nav-link {
        font-size: var(--text-2xl);
    }

    .mobile-toggle {
        display: flex;
    }

    .header-actions .btn {
        display: none;
    }

    .section {
        padding: var(--space-20) 0;
    }

    .hero {
        padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-metrics {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }

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

    .usecase-large {
        grid-column: span 1;
    }

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

    .cta-actions {
        flex-direction: column;
    }

    .cta-actions .btn {
        width: 100%;
    }

    .footer-nav {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .page-hero {
        padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-5);
    }

    .hero-metrics {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .hero-metric {
        text-align: center;
        padding: var(--space-5);
        background: rgba(255, 255, 255, 0.03);
        border-radius: var(--radius-lg);
    }

    .footer-nav {
        grid-template-columns: 1fr;
    }

    .intro-card {
        margin: 0 calc(var(--space-5) * -1);
        border-radius: 0;
    }
}