:root {
  --bg: #090a0f;
  --bg-card: rgba(18, 20, 29, 0.75);
  --bg-card-hover: rgba(26, 29, 43, 0.85);
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(138, 180, 250, 0.8);
  --accent: #8bb4fa;
  --accent-dim: rgba(139, 180, 250, 0.15);
  --text: #e6e8ee;
  --text-muted: #8b90a0;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

.ambient-glow {
  position: fixed;
  top: -20vh;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 180, 250, 0.12) 0%, rgba(9, 10, 15, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.nav-wrapper {
  position: sticky;
  top: 16px;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 24px;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1100px;
  height: 56px;
  padding: 0 20px;
  background: rgba(14, 16, 24, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 9999px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-mark {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 9999px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
  background: var(--accent);
  color: #06080d;
}

.btn-primary:hover {
  opacity: 0.92;
  box-shadow: 0 0 20px rgba(139, 180, 250, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

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

.btn-large {
  padding: 12px 24px;
  font-size: 0.98rem;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 100px 24px 60px;
  max-width: 860px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.cmd-icon {
  color: var(--text-muted);
}

.copy-status {
  font-size: 0.75rem;
  color: var(--accent);
  margin-left: 4px;
}

.demo-section {
  max-width: 1060px;
  margin: 20px auto 100px;
  padding: 0 24px;
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.demo-status {
  display: flex;
  gap: 8px;
}

.pill {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 9999px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pill-active {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: rgba(139, 180, 250, 0.3);
}

.demo-controls {
  display: flex;
  gap: 8px;
}

.sim-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
}

.sim-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.viewport-stage {
  position: relative;
  width: 100%;
  height: 480px;
  background: rgba(12, 14, 20, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.ribbon-track {
  display: flex;
  height: 100%;
  padding: 16px;
  gap: 12px;
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
}

.column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.col-large { width: 560px; }
.col-medium { width: 380px; }
.col-half { width: 320px; }

.win-card {
  flex: 1;
  background: rgba(18, 21, 31, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.win-card.active {
  border-color: var(--border-focus);
  box-shadow: 0 0 24px rgba(139, 180, 250, 0.18);
}

.card-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.win-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.5;
}

.win-card.active .win-dot {
  background: var(--accent);
  opacity: 1;
}

.card-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.card-body {
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #adb2c4;
  overflow: hidden;
  flex: 1;
}

.skeleton-block {
  width: 70%;
  height: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-line {
  width: 45%;
  height: 8px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  height: 100%;
  opacity: 0.15;
  background: repeating-linear-gradient(45deg, #fff 0, #fff 2px, transparent 0, transparent 8px);
}

.demo-tip {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 14px;
}

.features-section,
.shortcuts-section {
  max-width: 1060px;
  margin: 0 auto 120px;
  padding: 0 24px;
}

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

.section-heading h2 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-heading p {
  color: var(--text-muted);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.bento-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.bento-card:hover {
  transform: translateY(-2px);
}

.bento-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.bento-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.bento-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.config-section {
  max-width: 900px;
  margin: 0 auto 120px;
  padding: 0 24px;
}

.config-container {
  background: #0d0f17;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.config-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.config-dots {
  display: flex;
  gap: 6px;
}

.config-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.config-filename {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.config-copy {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.config-code {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  overflow-x: auto;
}

.tok-comment { color: #626880; }
.tok-num { color: #f5a97f; }
.tok-str { color: #a6da95; }
.tok-kw { color: #c6a0f6; }

.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.keys-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.keys-table th,
.keys-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.keys-table th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
}

.keys-table tr:last-child td {
  border-bottom: none;
}

kbd {
  display: inline-block;
  padding: 2px 7px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
}

.download-section {
  max-width: 900px;
  margin: 0 auto 120px;
  padding: 0 24px;
}

.download-card {
  text-align: center;
  padding: 60px 24px;
  background: radial-gradient(circle at top, rgba(139, 180, 250, 0.08) 0%, rgba(14, 16, 24, 0.7) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.download-card h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.download-card p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.download-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-body {
  max-width: 1060px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

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

@media (max-width: 768px) {
  .nav-links { display: none; }
  .col-large { width: 340px; }
  .col-medium { width: 280px; }
}