/* ... existing styles ... */
:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --panel: #101a33;
  --text: #eaf0ff;
  --muted: rgba(234, 240, 255, 0.78);
  --border: rgba(234, 240, 255, 0.12);
  --brand: #7dd3fc;
  --brand-2: #a78bfa;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --banner-bg: #eab308;
  --banner-text: #3f2e00;
  --success: #22c55e;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --panel: #f6f7fb;
    --text: #0b1020;
    --muted: rgba(11, 16, 32, 0.72);
    --border: rgba(11, 16, 32, 0.12);
    --shadow: 0 12px 34px rgba(11, 16, 32, 0.12);
    --banner-bg: #facc15;
    --banner-text: #422006;
  }
}

.construction-banner {
  background-color: var(--banner-bg);
  color: var(--banner-text);
  padding: 10px 0;
  font-size: 0.95rem;
  text-align: center;
  position: relative;
  z-index: 20;
}

.construction-banner .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% 0%, rgba(125, 211, 252, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(167, 139, 250, 0.12), transparent 60%), var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.2px;
  text-decoration: none;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.05rem;
  white-space: nowrap;
}

.nav {
  display: none;
  gap: 16px;
  align-items: center;
}

.nav a {
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a[aria-current="page"] {
  background: color-mix(in oklab, var(--panel) 72%, transparent);
  color: var(--text);
}

.nav a:hover {
  background: color-mix(in oklab, var(--panel) 65%, transparent);
  text-decoration: none;
  color: var(--text);
}

.nav-mobile {
  position: relative;
}

.nav-mobile > summary {
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  color: var(--text);
  background: color-mix(in oklab, var(--panel) 66%, transparent);
}

.nav-mobile > summary::-webkit-details-marker {
  display: none;
}

.nav-mobile[open] > summary {
  box-shadow: var(--shadow);
}

.nav-mobile-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 240px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
}

.nav-mobile-panel a {
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
}

.nav-mobile-panel a:hover {
  background: color-mix(in oklab, var(--bg) 75%, transparent);
}

@media (min-width: 760px) {
  .nav {
    display: flex;
  }
  .nav-mobile {
    display: none;
  }
}

.hero {
  padding: 34px 0 20px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.85rem, 3vw, 2.55rem);
  line-height: 1.15;
}

.lead {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1.05rem;
}

.fine {
  color: var(--muted);
  font-size: 0.95rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in oklab, var(--brand) 40%, transparent), color-mix(in oklab, var(--brand-2) 40%, transparent));
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}

.button:hover {
  text-decoration: none;
  filter: brightness(1.03);
}

.button.secondary {
  background: color-mix(in oklab, var(--panel) 70%, transparent);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 10px 0 22px;
}

@media (min-width: 760px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: color-mix(in oklab, var(--panel) 76%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.card h2 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.content {
  padding: 18px 0 26px;
}

.content h1 {
  margin: 6px 0 12px;
  font-size: clamp(1.6rem, 2.6vw, 2.05rem);
}

.content h2 {
  margin: 20px 0 10px;
  font-size: 1.18rem;
}

.content p {
  margin: 0 0 14px;
  color: var(--muted);
}

.bullets {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullets li {
  margin: 6px 0;
}

.steps {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.steps li {
  margin: 7px 0;
}

.breadcrumbs {
  padding-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
  display: flex;
  gap: 8px;
  align-items: center;
}

.breadcrumbs a {
  color: var(--muted);
}

.breadcrumbs a:hover {
  color: var(--text);
  text-decoration: none;
}

.callout {
  background: color-mix(in oklab, var(--panel) 72%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin: 14px 0;
}

.callout p {
  margin: 0;
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 78%, transparent);
  box-shadow: var(--shadow);
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.table th,
.table td {
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.table th {
  color: var(--text);
  font-weight: 700;
  background: color-mix(in oklab, var(--bg) 70%, transparent);
}

.table td {
  color: var(--muted);
}

.table tr:last-child td {
  border-bottom: 0;
}

.sources {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.sources li {
  margin: 6px 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
}

.footer-inner {
  padding: 20px 0;
  display: grid;
  gap: 8px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 8px;
  color: var(--text);
}

.table code {
  background: color-mix(in oklab, var(--brand) 15%, transparent);
  padding: 4px 6px;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  color: var(--brand);
}

.copy-btn {
  background: color-mix(in oklab, var(--brand) 20%, transparent);
  color: var(--brand);
  border: 1px solid color-mix(in oklab, var(--brand) 40%, transparent);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  background: var(--brand);
  color: var(--bg);
}

.copy-btn.copied {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}