/* LaminarDB — Systems-grade design. No gradients, no glass, no glow. */

:root {
  --bg: #0a0a0a;
  --bg-surface: #111111;
  --bg-code: #0e0e0e;
  --border: #1e1e1e;
  --border-bright: #2a2a2a;

  --text: #e5e5e5;
  --text-secondary: #999999;
  --text-dim: #666666;

  --accent: #00b4d8;
  --accent-bright: #38cbeb;
  --accent-dim: rgba(0, 180, 216, 0.12);

  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.12);
  --yellow: #eab308;
  --red: #ef4444;

  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width: 960px;
  --gap: 2rem;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-secondary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent-bright); text-decoration: none; }
a:hover { color: var(--text); }
img { max-width: 100%; display: block; }
code { font-family: var(--font-mono); }
strong { color: var(--text); font-weight: 600; }

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

section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type { border-bottom: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-mono);
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.25rem; font-weight: 700; }
h2 { font-size: 1.5rem; font-weight: 500; margin-bottom: 1.25rem; }
h3 { font-size: 1.05rem; font-weight: 500; margin-bottom: 0.5rem; }
h4 { font-size: 0.9rem; font-weight: 500; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.section-desc {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: 56px;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 100%;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  text-decoration: none;
}

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

.nav-brand svg { flex-shrink: 0; }

.version-badge {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--accent);
  border: 1px solid rgba(212, 145, 42, 0.3);
  padding: 1px 6px;
  border-radius: 3px;
  line-height: 1.4;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
  font-size: 0.85rem;
}

.nav-links a {
  color: var(--text-dim);
  transition: color 0.15s;
}

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

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

.nav-links .github-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  margin: 4px 0;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(3px, 4px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(3px, -4px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  flex-direction: column;
  gap: 12px;
  z-index: 99;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 4px 0;
}

/* --- Hero --- */
.hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.hero-tagline {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.hero-install-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero-install-group .hero-install {
  margin-bottom: 0;
}

.hero-install {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s;
  margin-bottom: 1.5rem;
}

.hero-install:hover { border-color: var(--border-bright); }

.hero-install .prompt {
  color: var(--accent);
  user-select: none;
}

.hero-install .cmd { color: var(--text); }

.hero-install .copy-hint {
  color: var(--text-dim);
  font-size: 0.75rem;
  margin-left: 8px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  color: #0a0a0a;
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-bright);
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.btn svg { width: 14px; height: 14px; fill: currentColor; }

.hero-code {
  margin-bottom: 2rem;
}

.hero-metrics {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-metric {
  display: flex;
  flex-direction: column;
}

.hero-metric-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.hero-metric-value .unit {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--accent);
}

.hero-metric-label {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.hero-metric-source {
  font-size: 0.65rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.hero-metric-source a {
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --- Code Blocks --- */
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 36px;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 17, 17, 0.5);
}

.code-tabs {
  display: flex;
  gap: 0;
}

.code-tab {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s;
}

.code-tab:hover { color: var(--text-secondary); }
.code-tab.active { color: var(--text); border-bottom-color: var(--accent); }

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
}

.copy-btn:hover { color: var(--text-secondary); border-color: var(--border-bright); }

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

.copy-btn svg { width: 12px; height: 12px; }

.code-body { overflow-x: auto; }

.code-body pre {
  margin: 0;
  padding: 16px;
  background: transparent !important;
}

.code-body code {
  font-size: 0.8rem;
  line-height: 1.55;
  background: transparent !important;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* --- Architecture Rings --- */
.arch-rings {
  margin: 2rem 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.ring {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 0;
}

.ring-0 { border-color: var(--accent); }
.ring-1 { border-color: var(--border-bright); }
.ring-2 { border-color: var(--border); }

.ring-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  flex-wrap: wrap;
  gap: 8px;
}

.ring-name {
  color: var(--text);
  font-weight: 500;
  font-size: 0.8rem;
}

.ring-constraint {
  color: var(--text-dim);
  font-size: 0.7rem;
}

.ring-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ring-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.ring-divider {
  text-align: center;
  padding: 4px 0;
  color: var(--text-dim);
  font-size: 0.65rem;
  position: relative;
}

.ring-divider::before {
  content: '│';
  display: block;
  color: var(--border-bright);
}

/* --- What It Is / Text Sections --- */
.text-block {
  max-width: 680px;
}

.text-block p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

.not-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.not-list li {
  padding: 4px 0;
  font-size: 0.9rem;
}

.not-list li::before {
  content: '—';
  color: var(--text-dim);
  margin-right: 8px;
}

/* --- Connector Table --- */
.connector-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.connector-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.connector-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-bright);
  white-space: nowrap;
}

.connector-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

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

.connector-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

.status-impl {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-size: 0.8rem;
}

.status-impl::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}

.feature-flag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  background: var(--bg-surface);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* --- Deployment --- */
.deploy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.deploy-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
}

.deploy-card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.deploy-card p {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.deploy-card code {
  font-size: 0.8rem;
  color: var(--accent);
}

.deploy-card .label-planned {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--yellow);
  border: 1px solid rgba(234, 179, 8, 0.3);
  padding: 1px 6px;
  border-radius: 3px;
  margin-bottom: 8px;
}

/* --- Comparison Table --- */
.comparison-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 2rem;
}

.comparison-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.comparison-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-bright);
  white-space: nowrap;
  color: var(--text-dim);
}

.comparison-table th.hl {
  color: var(--accent);
}

.comparison-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  white-space: nowrap;
}

.comparison-table td.hl {
  color: var(--text);
}

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

.comparison-table .win {
  color: var(--text);
  font-weight: 500;
}

.comparison-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-style: italic;
}

.alternatives {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.alt-card {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.alt-card h4 {
  color: var(--text);
  margin-bottom: 0.35rem;
}

.alt-card p {
  font-size: 0.8rem;
  margin: 0;
}

/* --- Status --- */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.status-col h3 {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-col.stable h3 { color: var(--green); }
.status-col.experimental h3 { color: var(--yellow); }
.status-col.unimplemented h3 { color: var(--text-dim); }

.status-col ul {
  list-style: none;
  padding: 0;
}

.status-col li {
  font-size: 0.85rem;
  padding: 3px 0;
  color: var(--text-secondary);
}

/* --- Contributing --- */
.contrib-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- Footer --- */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-left {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.footer-left a { color: var(--text-dim); }
.footer-left a:hover { color: var(--text-secondary); }

.footer-links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.8rem;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.25rem; }

  section { padding: 3rem 0; }

  .hero { padding: 2.5rem 0 2rem; }

  .hero-metrics { gap: 1.5rem; }

  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .deploy-grid { grid-template-columns: 1fr; }
  .status-grid { grid-template-columns: 1fr; }
  .alternatives { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }

  .container { padding: 0 16px; }

  .hero-actions { flex-direction: column; }
  .hero-metrics { flex-direction: column; gap: 1rem; }

  .code-body code { font-size: 0.75rem; }
}

/* --- Prism overrides --- */
pre[class*="language-"] { background: transparent !important; margin: 0 !important; }
code[class*="language-"] { background: transparent !important; }