/* =============================================
   LEARN UE5 - PREMIUM DARK DESIGN SYSTEM
   Purple × Blue × Black — Full Width
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Colors — Purple/Blue/Black */
  --bg-primary: #07070f;
  --bg-secondary: #0d0d1a;
  --bg-card: #12121f;
  --bg-card-hover: #1a1a2e;
  --bg-elevated: #16162a;

  /* Accent: Purple to Blue gradient */
  --accent: #7c3aed;
  --accent-light: #9b5cf6;
  --accent-dark: #5b21b6;
  --accent-2: #3b82f6;
  --accent-2-light: #60a5fa;
  --accent-glow: rgba(124, 58, 237, 0.18);
  --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #4f46e5 50%, #3b82f6 100%);
  --accent-gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(59, 130, 246, 0.10) 100%);

  --blue-accent: #3b82f6;
  --cyan-accent: #06b6d4;
  --green-accent: #22c55e;
  --purple-accent: #a855f7;
  --violet-accent: #8b5cf6;

  --text-primary: #f0f0ff;
  --text-secondary: #9090b8;
  --text-muted: #404060;

  --border: rgba(124, 58, 237, 0.12);
  --border-hover: rgba(124, 58, 237, 0.25);
  --border-accent: rgba(124, 58, 237, 0.4);
  --border-blue: rgba(59, 130, 246, 0.3);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.8);
  --shadow-accent: 0 4px 24px rgba(124, 58, 237, 0.35);
  --shadow-blue: 0 4px 24px rgba(59, 130, 246, 0.3);
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(124, 58, 237, 0.06);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Layout — Full Width */
  --navbar-height: 64px;
  --max-width: 100%;
  --container-padding: 48px;
  --section-padding: 80px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #333 transparent;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

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

img {
  max-width: 100%;
}

ul {
  list-style: none;
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.nav-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-accent);
  flex-shrink: 0;
}

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

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: var(--accent-light);
  background: var(--accent-glow);
}

.nav-link svg {
  width: 16px;
  height: 16px;
}

.nav-cta {
  padding: 8px 20px;
  background: var(--accent-gradient);
  color: white;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-accent);
  white-space: nowrap;
}

.nav-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(124, 58, 237, 0.45);
}

.nav-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--navbar-height);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 0%, rgba(124, 58, 237, 0.22) 0%, transparent 65%),
    radial-gradient(ellipse 60% 60% at 80% 40%, rgba(59, 130, 246, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at center, black 40%, transparent 100%);
}

.hero-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 80px var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: var(--accent-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #a855f7 0%, #7c3aed 35%, #4f46e5 65%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent-gradient);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-accent);
  border: none;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-stats {
  display: flex;
  gap: 32px;
}

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

.stat-num {
  font-size: 24px;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.hero-visual {
  position: relative;
}

.hero-card-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 60px rgba(255, 107, 53, 0.05);
  position: relative;
}

.hero-card-video {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #0d0d2b 0%, #1a0a3e 40%, #0f1a5c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-card-video::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
}

.play-btn-large {
  width: 72px;
  height: 72px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  z-index: 1;
}

.play-btn-large:hover {
  background: var(--accent-gradient);
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.6);
}

.play-btn-large svg {
  width: 28px;
  height: 28px;
  fill: white;
  margin-left: 4px;
}

.hero-card-info {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-card-info .course-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-glow);
  color: var(--accent-light);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}

.hero-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ---- Section ---- */
.section {
  padding: var(--section-padding) 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 0, 0, 0.3);
}

/* ---- Grid ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ---- Video Cards ---- */
.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  cursor: pointer;
}

.video-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(124, 58, 237, 0.15);
}

.video-thumb {
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
  background: #1a1a2e;
}

.video-thumb iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  border: none;
}

.video-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.video-card:hover .video-thumb-overlay {
  opacity: 1;
}

.play-btn {
  width: 52px;
  height: 52px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.5);
}

.play-btn svg {
  width: 22px;
  height: 22px;
  fill: white;
  margin-left: 3px;
}

.video-info {
  padding: 16px 18px;
}

.video-tag {
  display: inline-block;
  background: rgba(124, 58, 237, 0.12);
  color: var(--accent-light);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.video-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ---- Feature Cards ---- */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}

.feature-icon.orange {
  background: rgba(124, 58, 237, 0.14);
}

.feature-icon.blue {
  background: rgba(59, 130, 246, 0.14);
}

.feature-icon.green {
  background: rgba(6, 182, 212, 0.14);
}

.feature-icon.purple {
  background: rgba(168, 85, 247, 0.14);
}

.feature-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Download Cards ---- */
.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

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

.download-icon {
  width: 52px;
  height: 52px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.download-info {
  flex: 1;
}

.download-name {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.download-meta {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  gap: 12px;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: var(--accent-gradient);
  color: white;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: none;
}

.download-btn:hover {
  opacity: 0.85;
  transform: scale(1.03);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

/* ---- Page Hero ---- */
.page-hero {
  padding: calc(var(--navbar-height) + 60px) 0 60px;
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% -10%, rgba(124, 58, 237, 0.18) 0%, transparent 65%),
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(59, 130, 246, 0.12) 0%, transparent 60%);
}

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

.page-hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.page-hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Filter Bar ---- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(124, 58, 237, 0.14);
  border-color: rgba(124, 58, 237, 0.4);
  color: var(--accent-light);
}

/* ---- Docs ---- */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
}

.docs-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
  position: sticky;
  top: calc(var(--navbar-height) + 24px);
  box-shadow: var(--shadow-card);
}

.docs-sidebar-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.docs-nav-link {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  margin-bottom: 2px;
}

.docs-nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.docs-nav-link.active {
  color: var(--accent-light);
  background: rgba(124, 58, 237, 0.12);
}

.docs-nav-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 12px 6px;
}

.docs-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.docs-h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.docs-h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 40px 0 16px;
  color: var(--text-primary);
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.docs-h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 24px 0 10px;
  color: var(--text-primary);
}

.docs-p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.docs-code {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: #a8d8a8;
  margin: 16px 0 24px;
  overflow-x: auto;
  line-height: 1.7;
}

.docs-code .comment {
  color: #666;
}

.docs-code .keyword {
  color: var(--accent);
}

.docs-code .string {
  color: #98d8a0;
}

.docs-info-box {
  background: rgba(124, 58, 237, 0.07);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.docs-info-box .icon {
  font-size: 18px;
  margin-top: 2px;
}

.docs-info-box p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ---- Contact Form ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

.form-select {
  cursor: pointer;
  appearance: none;
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  padding: 14px 28px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  box-shadow: var(--shadow-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.form-submit:hover {
  opacity: 0.85;
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(124, 58, 237, 0.5);
}

/* ---- Team Cards ---- */
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

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

.team-avatar {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  background: linear-gradient(135deg, #0d0d2b 0%, #1a0a3e 50%, #0f1a5c 100%);
}

.team-info {
  padding: 18px;
}

.team-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-role {
  font-size: 12px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.team-bio {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.team-socials {
  display: flex;
  gap: 8px;
  padding: 0 18px 18px;
}

.social-btn {
  width: 34px;
  height: 34px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.social-btn:hover {
  background: rgba(124, 58, 237, 0.14);
  border-color: rgba(124, 58, 237, 0.4);
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 14px;
  font-size: 18px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 240px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-link {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.footer-social:hover {
  background: rgba(124, 58, 237, 0.14);
  border-color: rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 380px;
  transform: translateX(120%);
  transition: transform var(--transition-base);
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  font-size: 22px;
}

.toast-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
}

.toast.success {
  border-color: rgba(34, 197, 94, 0.3);
}

/* ---- Badge ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-orange {
  background: rgba(124, 58, 237, 0.12);
  color: var(--accent-light);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.badge-blue {
  background: rgba(59, 130, 246, 0.12);
  color: var(--blue-accent);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-green {
  background: rgba(6, 182, 212, 0.12);
  color: var(--cyan-accent);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge-purple {
  background: rgba(168, 85, 247, 0.12);
  color: var(--purple-accent);
  border: 1px solid rgba(168, 85, 247, 0.2);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  :root {
    --container-padding: 28px;
  }

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

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

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

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: static;
  }

  .hero-container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
    --container-padding: 18px;
  }

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

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

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

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

  .nav-links {
    display: none;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    gap: 4px;
  }

  .nav-menu-btn {
    display: block;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .hero-title {
    letter-spacing: -1px;
  }

  .docs-content {
    padding: 24px;
  }

  .form-card {
    padding: 24px;
  }
}