/* ============================================
   BKSMARTPHONE - Premium Design System
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary Palette */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;

  /* Accent - Electric Cyan */
  --accent-400: #22d3ee;
  --accent-500: #06b6d4;
  --accent-600: #0891b2;

  /* Success */
  --success-400: #4ade80;
  --success-500: #22c55e;

  /* Warning */
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;

  /* Danger */
  --danger-400: #f87171;
  --danger-500: #ef4444;

  /* Dark Theme Surfaces */
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-tertiary: #141425;
  --bg-card: rgba(20, 20, 40, 0.6);
  --bg-card-hover: rgba(30, 30, 55, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-accent: #818cf8;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.15);
  --border-accent: rgba(99, 102, 241, 0.3);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
  --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-hero: linear-gradient(180deg, rgba(10, 10, 15, 0) 0%, rgba(10, 10, 15, 0.8) 100%);
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
  --gradient-mesh: radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, rgba(6, 182, 212, 0.08) 0px, transparent 50%),
                   radial-gradient(at 0% 50%, rgba(139, 92, 246, 0.08) 0px, transparent 50%);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15), 0 0 60px rgba(99, 102, 241, 0.05);
  --shadow-glow-accent: 0 0 20px rgba(6, 182, 212, 0.15), 0 0 60px rgba(6, 182, 212, 0.05);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

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

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 960px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: 0;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

::selection {
  background: rgba(99, 102, 241, 0.3);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-700);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-600);
}

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

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.heading-hero {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.heading-xl {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.heading-lg {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
}

.heading-md {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
}

.heading-sm {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

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

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

.text-body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-body-lg {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-caption {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.text-overline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-400);
}

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

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border-subtle);
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  z-index: 1001;
}

.navbar__logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.125rem;
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.navbar__logo span {
  color: var(--text-primary);
}

.navbar__logo .logo-accent {
  color: var(--primary-400);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.navbar__link {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.navbar__search {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  width: 220px;
  transition: all var(--transition-base);
}

.navbar__search:focus-within {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  box-shadow: var(--shadow-glow);
  width: 280px;
}

.navbar__search-icon {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.navbar__search input {
  width: 100%;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.navbar__search input::placeholder {
  color: var(--text-tertiary);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Mobile Menu Toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
}

.navbar__toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

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

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

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.2);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.3);
}

.btn--secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  backdrop-filter: blur(10px);
}

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

.btn--ghost {
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-bottom: 1px solid var(--border-subtle);
}

.card__body {
  padding: var(--space-lg);
}

.card__tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-300);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card__tag--success {
  color: var(--success-400);
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.15);
}

.card__tag--warning {
  color: var(--warning-400);
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.15);
}

.card__tag--accent {
  color: var(--accent-400);
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.15);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.card:hover .card__title {
  color: var(--primary-300);
}

.card__description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.card__meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Feature Card */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

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

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.15);
  color: var(--primary-400);
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding: var(--space-4xl) 0;
  z-index: 1;
}

.section--hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + var(--space-4xl));
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section__header .text-overline {
  margin-bottom: var(--space-md);
  display: block;
}

.section__header .heading-xl {
  margin-bottom: var(--space-md);
}

.section__header .text-body-lg {
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero__glow--primary {
  top: -200px;
  right: -100px;
  background: var(--primary-500);
}

.hero__glow--accent {
  bottom: -200px;
  left: -100px;
  background: var(--accent-500);
}

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

.hero__text {
  max-width: 600px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-300);
  margin-bottom: var(--space-xl);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--success-400);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
  margin-bottom: var(--space-lg);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero__stats {
  display: flex;
  gap: var(--space-3xl);
}

.hero__stat {
  text-align: left;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__phone-mockup {
  position: relative;
  width: 320px;
  height: 640px;
  border-radius: 40px;
  background: linear-gradient(145deg, #1a1a2e, #0d0d1a);
  border: 2px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  overflow: hidden;
  padding: 12px;
}

.hero__phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background: var(--gradient-primary);
  position: relative;
}

.hero__phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__floating-card {
  position: absolute;
  background: rgba(20, 20, 40, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.hero__floating-card--left {
  left: -60px;
  top: 30%;
  animation-delay: -2s;
}

.hero__floating-card--right {
  right: -60px;
  bottom: 25%;
}

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

/* ---------- Grid Layouts ---------- */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.grid--auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ---------- Code Block ---------- */
.code-block {
  background: rgba(10, 10, 20, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.code-block__dots {
  display: flex;
  gap: 6px;
}

.code-block__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-block__dot--red { background: #ff5f57; }
.code-block__dot--yellow { background: #febc2e; }
.code-block__dot--green { background: #28c840; }

.code-block__lang {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.code-block__copy {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.code-block__copy:hover {
  color: var(--primary-400);
}

.code-block__body {
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-x: auto;
  color: var(--text-secondary);
}

.code-block__body .keyword { color: #c792ea; }
.code-block__body .string { color: #c3e88d; }
.code-block__body .comment { color: #546e7a; }
.code-block__body .number { color: #f78c6c; }
.code-block__body .function { color: #82aaff; }

/* ---------- Tags/Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.badge--primary {
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary-300);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge--success {
  background: rgba(34, 197, 94, 0.12);
  color: var(--success-400);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge--warning {
  background: rgba(245, 158, 11, 0.12);
  color: var(--warning-400);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge--danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger-400);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ---------- Steps/Timeline ---------- */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-500), var(--accent-500));
  opacity: 0.3;
}

.step {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.step__number {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary-400);
  position: relative;
  z-index: 1;
}

.step__content {
  padding-top: var(--space-sm);
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.step__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Newsletter/CTA ---------- */
.cta-section {
  position: relative;
  border-radius: var(--radius-xl);
  padding: var(--space-4xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .heading-xl {
  margin-bottom: var(--space-md);
}

.cta-section .text-body-lg {
  margin-bottom: var(--space-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 460px;
  margin: 0 auto;
}

.cta-form__input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--transition-base);
}

.cta-form__input::placeholder {
  color: var(--text-tertiary);
}

.cta-form__input:focus {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  background: rgba(10, 10, 15, 0.5);
  backdrop-filter: blur(10px);
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding: var(--space-4xl) 0;
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.footer__brand-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--bg-glass-hover);
  color: var(--primary-400);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.footer__col-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer__link:hover {
  color: var(--primary-300);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border-subtle);
}

.footer__bottom-text {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-link {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover {
  color: var(--text-secondary);
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-3xl);
}

.pagination__btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.pagination__btn:hover,
.pagination__btn.active {
  background: var(--primary-600);
  color: #fff;
  border-color: var(--primary-600);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-xl);
  padding-top: calc(var(--nav-height) + var(--space-2xl));
}

.breadcrumbs a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--primary-400);
}

.breadcrumbs__sep {
  color: var(--text-tertiary);
}

/* ---------- Table of Contents ---------- */
.toc {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.toc__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-md);
}

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc__link {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  padding-left: var(--space-md);
  transition: all var(--transition-fast);
}

.toc__link:hover,
.toc__link.active {
  color: var(--primary-300);
  background: rgba(99, 102, 241, 0.05);
  border-left-color: var(--primary-500);
}

/* ---------- Categories Sidebar ---------- */
.sidebar-categories {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.sidebar-categories__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

.sidebar-categories__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-categories__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.sidebar-categories__item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.sidebar-categories__count {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  background: var(--bg-glass);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

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

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

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

.animate-fadeInUp { animation: fadeInUp 0.6s ease-out forwards; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease-out forwards; }
.animate-fadeIn { animation: fadeIn 0.6s ease-out forwards; }
.animate-slideInLeft { animation: slideInLeft 0.6s ease-out forwards; }
.animate-slideInRight { animation: slideInRight 0.6s ease-out forwards; }
.animate-scaleIn { animation: scaleIn 0.5s ease-out forwards; }

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

[data-animate] {
  opacity: 0;
}

[data-animate].visible {
  animation-fill-mode: forwards;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero__content { grid-template-columns: 1fr; text-align: center; }
  .hero__text { max-width: 100%; margin: 0 auto; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__visual { margin-top: var(--space-3xl); }
  .footer__main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 3rem;
  }

  .navbar__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .navbar__nav.open {
    transform: translateX(0);
  }

  .navbar__nav .navbar__link {
    font-size: 1.25rem;
    padding: var(--space-md) var(--space-xl);
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__search {
    display: none;
  }

  .grid--2, .grid--3, .grid--4 {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
  }

  .hero__phone-mockup {
    width: 260px;
    height: 520px;
  }

  .hero__floating-card {
    display: none;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

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

  .cta-section {
    padding: var(--space-2xl);
  }
}

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

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

  .btn--lg {
    width: 100%;
  }
}

/* ---------- Utility Classes ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mb-1 { margin-top: var(--space-md); }
.mb-2 { margin-top: var(--space-xl); }
.mb-3 { margin-top: var(--space-2xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.gap-1 { gap: var(--space-md); }
.gap-2 { gap: var(--space-xl); }

/* ---------- Loading Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--bg-glass) 25%, rgba(255,255,255,0.06) 50%, var(--bg-glass) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ---------- Tooltip ---------- */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(99, 102, 241, 0.3);
}

/* ---------- Article Page Styles ---------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--space-3xl);
  padding-top: var(--space-xl);
}

.article-content {
  max-width: 100%;
  overflow-x: hidden;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.article-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.article-content ul, .article-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.article-content li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
  list-style: disc;
}

.article-content ol li {
  list-style: decimal;
}

.article-content img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin: var(--space-xl) 0;
}

.article-content a {
  color: var(--primary-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: var(--primary-300);
}

.article-content .code-block {
  margin-bottom: var(--space-lg);
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* Warning/Info boxes in articles */
.info-box {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.info-box--info {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.info-box--warning {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.info-box--success {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.15);
}

.info-box--danger {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.info-box__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.info-box__content {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

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

/* Download Button */
.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.download-card:hover {
  border-color: var(--primary-400);
  box-shadow: var(--shadow-glow);
}

.download-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.download-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.download-card__meta {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-lg);
}

/* ---------- Page-specific: Categories Page ---------- */
.category-hero {
  text-align: center;
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-3xl);
  position: relative;
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-xl);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-600);
  color: #fff;
  border-color: var(--primary-600);
}

/* ---------- Page-specific: About Page ---------- */
.about-hero {
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-3xl);
}

.about-hero__content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.about-stat {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.about-stat:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.about-stat__value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-xs);
}

.about-stat__label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Team Cards */
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: all var(--transition-base);
}

.team-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.team-card__avatar {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.team-card__info {
  padding: var(--space-lg);
}

.team-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.8125rem;
  color: var(--primary-400);
}

/* ---------- Page-specific: Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

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

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

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input, .form-textarea {
  padding: 0.875rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--transition-base);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  background: var(--bg-glass-hover);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.contact-info-card__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary-400);
}

.contact-info-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-card__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Responsive for inner pages ---------- */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    display: none;
  }
  .about-hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

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