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

:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-tertiary: #18181b;
  --bg-card: #141416;
  --bg-elevated: #1a1a1e;
  --border: #232326;
  --border-hover: #323236;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-dim: #4f46e5;
  --gradient-1: #6366f1;
  --gradient-2: #a855f7;
  --gradient-3: #ec4899;
  --success: #22c55e;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1200px;
  --nav-height: 64px;
}

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.navbar.scrolled {
  border-color: var(--border);
}

.nav-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  margin: 4px 0;
  border-radius: 2px;
  transition: 0.3s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  border-style: dashed;
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--border-hover);
  background: var(--bg-tertiary);
}

.btn-ghost {
  background: none;
  color: var(--text-secondary);
  padding: 8px;
}

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

.btn-icon {
  padding: 8px;
  border-radius: 8px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 12px 24px;
}

.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.08);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 100px;
  overflow: hidden;
}

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

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.18;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--gradient-1);
  top: -200px;
  left: -200px;
  animation: glow-drift 20s ease-in-out infinite;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: var(--gradient-2);
  bottom: -200px;
  right: -200px;
  animation: glow-drift 25s ease-in-out infinite reverse;
}

@keyframes glow-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -40px) scale(1.1); }
  66% { transform: translate(-30px, 60px) scale(0.95); }
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-hover);
  margin-bottom: 36px;
  backdrop-filter: blur(8px);
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(44px, 9vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2.5px;
  margin-bottom: 28px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(17px, 2.8vw, 21px);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 48px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1.2px;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Terminal Section */
.terminal-section {
  padding: 80px 0;
}

.terminal-window {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 48px -12px rgba(0,0,0,0.5);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ef4444; }
.terminal-dots span:nth-child(2) { background: #eab308; }
.terminal-dots span:nth-child(3) { background: #22c55e; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-tertiary);
}

.terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
}

.terminal-line {
  margin-bottom: 4px;
}

.terminal-line.output {
  color: var(--text-secondary);
}

.prompt {
  color: var(--accent);
  font-weight: 600;
  margin-right: 8px;
}

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

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--text-primary);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Section Common */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-hover);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 800;
  letter-spacing: -1.8px;
  line-height: 1.1;
  margin-bottom: 18px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Products Section */
.products {
  padding: 140px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  opacity: 1;
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15), 0 0 0 1px rgba(99, 102, 241, 0.1);
}

.product-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.1);
}

.product-card.featured:hover {
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.2), 0 16px 32px rgba(0, 0, 0, 0.3);
}

.product-card.coming-soon {
  opacity: 0.75;
  border-style: dashed;
}

.product-card.coming-soon:hover {
  opacity: 0.9;
}

.product-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  padding: 6px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.product-badge.recommended {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  color: white;
  border: none;
}

.product-badge.coming-soon {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: white;
  border: none;
}

.product-icon {
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.12);
  border-radius: 18px;
  margin-bottom: 28px;
  color: var(--accent-hover);
}

.product-card h3 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.product-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.product-features {
  list-style: none;
  margin: 24px 0;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.product-features li svg {
  color: var(--success);
  flex-shrink: 0;
}

.product-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}



/* Features */
.features {
  padding: 140px 0;
  position: relative;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(99, 102, 241, 0.1);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.12);
  border-radius: 12px;
  margin-bottom: 24px;
  color: var(--accent-hover);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Showcase */
.showcase {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.showcase-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.showcase-text .section-title {
  margin-bottom: 16px;
}

.platform-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}

.platform-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.platform-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-block.large pre {
  padding: 24px;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  padding: 4px 8px;
  border-radius: 4px;
  transition: 0.2s;
}

.copy-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.copy-btn.copied {
  color: var(--success);
}

pre {
  padding: 20px;
  margin: 0;
  overflow-x: auto;
}

code {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
}

.code-comment {
  color: var(--text-tertiary);
  font-style: italic;
}

/* Install Section */
.install {
  padding: 140px 0;
}

/* Download Cards */
.download-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 32px;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gradient-2));
  opacity: 0;
  transition: opacity 0.3s;
}

.download-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(99, 102, 241, 0.2), 0 0 0 1px rgba(99, 102, 241, 0.1);
}

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

.platform-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 28px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.18), rgba(168, 85, 247, 0.18));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.download-card:hover .platform-icon {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.28), rgba(168, 85, 247, 0.28));
  border-color: var(--accent);
  transform: scale(1.05);
}

.download-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.download-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 28px;
  line-height: 1.5;
}

.install-extra {
  text-align: center;
  margin-top: 32px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.install-extra a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.install-extra a:hover {
  color: var(--accent-hover);
}

.install-extra .sha256 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  user-select: all;
}

/* Download variants */
.download-variants {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.download-variants .btn {
  width: 100%;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
}

.download-variants .btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--gradient-2));
  border: none;
  position: relative;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
  animation: button-glow 2s ease-in-out infinite;
}

@keyframes button-glow {
  0%, 100% { box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4); }
  50% { box-shadow: 0 4px 24px rgba(99, 102, 241, 0.6); }
}

.download-variants .btn-primary::before {
  content: '✓ 推荐';
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--success);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4);
}

.download-variants .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}

.download-variants .btn-secondary {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.download-variants .btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-hover);
}

.download-size {
  font-weight: 500;
  opacity: 0.7;
  font-size: 12px;
}

/* Detected badge */
.detected-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--accent), var(--gradient-2));
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.5);
  animation: badge-pulse 2s ease-in-out infinite;
  z-index: 10;
  white-space: nowrap;
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(99, 102, 241, 0.6); }
}

.download-card.detected {
  border-color: var(--accent);
  border-width: 2px;
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.2), 0 0 0 1px rgba(99, 102, 241, 0.1);
  position: relative;
  overflow: visible;
}

.download-card.detected::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gradient-2), var(--accent));
  background-size: 200% 100%;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Loading state */
.download-loading {
  text-align: center;
  padding: 80px 0;
  color: var(--text-secondary);
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error state */
.download-error {
  text-align: center;
  padding: 80px 0;
  color: var(--text-secondary);
}

.download-error p {
  margin-bottom: 8px;
}

.download-error a {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Models Section */
.models {
  padding: 140px 0;
  background: var(--bg-secondary);
}

.models-content {
  text-align: center;
}

.models-text {
  max-width: 600px;
  margin: 0 auto 48px;
}

.models-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 680px;
  margin: 0 auto;
}

.model-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 24px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 140px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.model-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.15);
  background: rgba(99, 102, 241, 0.05);
}

.model-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.model-by {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Community */
.community {
  padding: 120px 0;
}

.community-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(168, 85, 247, 0.05));
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-xl);
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.community-text h2 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.community-text p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 32px;
}

.community-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 240px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 14px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  transition: all 0.2s;
  position: relative;
}

.footer-col a:hover {
  color: var(--accent-hover);
  transform: translateX(2px);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* Animations */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.fade-in {
  animation: fade-in 0.6s ease forwards;
}

/* Mobile Nav */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 11, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 14px 0;
    font-size: 16px;
  }

  .nav-actions .btn-icon,
  .nav-actions .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 120px 20px 80px;
  }

  .hero-title {
    font-size: clamp(36px, 10vw, 56px);
    letter-spacing: -1.8px;
  }

  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 36px;
  }

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

  .stat-value {
    font-size: 28px;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .section-title {
    font-size: clamp(28px, 7vw, 40px);
  }

  .products {
    padding: 100px 0;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-card {
    padding: 32px 24px;
  }

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

  .features {
    padding: 100px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-card {
    padding: 28px 24px;
  }

  .install {
    padding: 100px 0;
  }

  .models {
    padding: 100px 0;
  }

  .showcase-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer {
    padding: 60px 0 32px;
  }

  .footer-content {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    gap: 32px;
    flex-wrap: wrap;
  }

  .terminal-section {
    padding: 48px 0;
  }

  .download-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .download-card {
    padding: 32px 24px;
  }

  .platform-icon {
    width: 72px;
    height: 72px;
    margin-bottom: 20px;
  }

  .models-grid {
    gap: 10px;
  }

  .model-item {
    min-width: 110px;
    padding: 18px 22px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    letter-spacing: -1.2px;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat {
    align-items: center;
  }

  .features {
    padding: 80px 0;
  }

  .products {
    padding: 80px 0;
  }

  .install {
    padding: 80px 0;
  }

  .models {
    padding: 80px 0;
  }

  .footer-links {
    flex-direction: column;
    gap: 24px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .download-card {
    padding: 28px 20px;
  }

  .platform-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 18px;
  }
}

/* Scroll-triggered animation support */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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