:root {
  /* surfaces */
  --bg: #07080D;
  --bg-alt: #050609;
  --surface: #0D0F15;
  --surface-raised: #0D0F16;
  --surface-code: #08090E;
  --surface-bar: #0A0C12;
  --surface-note: #0C0E15;
  --control: #12141C;

  /* lines */
  --line: #1A1C24;
  --line-soft: #1B1E26;
  --line-card: #1E2129;
  --line-panel: #23262F;
  --line-control: #2D3039;
  --line-control-hover: #444854;

  /* text */
  --text: #F2F3F7;
  --text-soft: #D2D5DD;
  --text-muted: #A4A9B6;
  --text-dim: #8E93A0;
  --text-faint: #6F7482;

  /* brand */
  --brand: #4F3BB8;
  --on-brand: #FFFFFF;
  --accent: #A897FF;
  --accent-hover: #C3B8FF;
  --accent-pale: #D6CFFF;
  --accent-wash: rgba(168, 151, 255, .10);
  --success: #4FD1A5;
  --placeholder: #7CA9E8;

  /* accent-tinted panels (install step, values-override.yaml) */
  --tint-surface: #0D0B1F;
  --tint-control: #16132E;
  --tint-line: #2E2A5C;
  --tint-line-soft: #221E48;
  --tint-line-strong: #3A3478;

  --font-sans: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-display: 'Space Grotesk', sans-serif;
}

/* ── Base ─────────────────────────────────────────────────────────────── */

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
pre { margin: 0; }
[hidden] { display: none !important; }
/* Zero specificity so any component class can set its own link color and keep it on hover. */
:where(a) { color: var(--accent); text-decoration: none; }
:where(a:hover) { color: var(--accent-hover); }
::selection { background: var(--brand); color: var(--on-brand); }

.page { background: var(--bg); color: var(--text); font-family: var(--font-sans); }
.page-home .page { overflow: hidden; }
.page-configurator { background: var(--bg); }
.page-configurator, .page-configurator body { overflow-x: hidden; max-width: 100%; }
.page-configurator .page { min-height: 100vh; }

.mono { font-family: var(--font-mono); }
.mt-auto { margin-top: auto; }
.highlight { color: var(--accent); }

/* ── Layout ───────────────────────────────────────────────────────────── */

.wrap { max-width: 1200px; margin: 0 auto; padding-left: 48px; padding-right: 48px; }
.bar { display: flex; align-items: center; justify-content: space-between; }
.section { padding-top: 72px; padding-bottom: 72px; }
.section-compact { padding-top: 64px; padding-bottom: 64px; }
.band { background: var(--bg-alt); border-top: 1px solid var(--line); }
.band-bottom { border-bottom: 1px solid var(--line); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-tight { gap: 16px; }

/* ── Nav & footer ─────────────────────────────────────────────────────── */

.site-nav { border-bottom: 1px solid var(--line); }
.site-nav .bar { padding-top: 20px; padding-bottom: 20px; }
.brand { display: flex; align-items: center; }
.brand img { height: 36px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 14px; }
.nav-link { color: var(--text-muted); }
.nav-link[aria-current="page"] { color: var(--accent); font-weight: 600; }

.site-footer { border-top: 1px solid var(--line); }
.site-footer .bar { padding-top: 26px; padding-bottom: 26px; font-size: 13px; color: var(--text-faint); }
.site-footer a { color: var(--text-muted); }

/* ── Buttons ──────────────────────────────────────────────────────────── */

.btn { padding: 13px 22px; border-radius: 11px; font-weight: 600; font-size: 15px; }
.btn-sm { padding: 9px 16px; border-radius: 9px; font-size: 14px; }
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-outline { border: 1px solid var(--line-control); color: var(--text); }

.copy-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border: 1px solid var(--line-control); border-radius: 7px;
  background: var(--control); color: var(--text-muted);
  font-family: var(--font-sans); font-weight: 600; font-size: 11px; cursor: pointer;
}
.copied { color: var(--success); }

/* ── Typography ───────────────────────────────────────────────────────── */

.eyebrow {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.eyebrow-quiet { font-size: 12px; letter-spacing: .12em; color: var(--text-faint); margin-bottom: 20px; }

.hero-title {
  font-family: var(--font-display); font-weight: 700; font-size: 52px;
  line-height: 1.04; letter-spacing: -.02em; margin: 0 0 20px;
}
.page-title {
  font-family: var(--font-display); font-weight: 700; font-size: 40px;
  line-height: 1.08; letter-spacing: -.02em; margin: 0 0 14px; max-width: 720px;
}
.section-title {
  font-family: var(--font-display); font-weight: 700; font-size: 38px;
  line-height: 1.08; letter-spacing: -.02em; margin: 0 0 12px; max-width: 640px;
}
.section-title-sm { font-family: var(--font-display); font-weight: 700; font-size: 28px; letter-spacing: -.01em; margin: 0 0 6px; }
.subsection-title { font-family: var(--font-display); font-weight: 700; font-size: 24px; letter-spacing: -.01em; margin: 0 0 8px; }
.card-title { font-family: var(--font-display); font-weight: 600; font-size: 20px; margin: 0 0 8px; }

.lede { font-size: 17px; line-height: 1.6; color: var(--text-muted); margin: 0 0 44px; max-width: 600px; }
.hero-lede { font-size: 18px; margin-bottom: 30px; max-width: 520px; }
.lede-sm { font-size: 15px; margin-bottom: 28px; }
.page-lede { margin: 0; max-width: 640px; }
.section-note { color: var(--text-dim); font-size: 15px; margin: 0 0 28px; }
.fine-print { color: var(--text-dim); font-size: 13.5px; line-height: 1.6; margin: 20px 0 0; }

.inline-code { font-family: var(--font-mono); color: var(--text-muted); }
.inline-code-accent { color: var(--accent); }
.inline-code-bright { color: var(--text-soft); }

/* ── Hero ─────────────────────────────────────────────────────────────── */

.hero {
  display: grid; grid-template-columns: 1.02fr 1fr; gap: 52px; align-items: center;
  padding-top: 72px; padding-bottom: 64px;
}
.hero .eyebrow { margin-bottom: 18px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; }
.trust { display: flex; align-items: center; gap: 18px; margin-top: 30px; font-size: 13px; color: var(--text-faint); }
.trust-item { display: inline-flex; align-items: center; gap: 7px; }
.trust-sep { width: 1px; height: 14px; background: var(--line-control); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ── Terminal & code blocks ───────────────────────────────────────────── */

.terminal {
  border: 1px solid var(--line-panel); border-top: 2px solid var(--brand); border-radius: 14px;
  background: var(--surface-raised); overflow: hidden; box-shadow: 0 20px 50px rgba(0, 0, 0, .35);
}
.terminal-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  border-bottom: 1px solid var(--line-panel); background: var(--surface-bar);
}
.light { width: 11px; height: 11px; border-radius: 50%; }
.light-red { background: #FF5F57; }
.light-amber { background: #FEBC2E; }
.light-green { background: #28C840; }
.terminal-title { margin-left: 8px; color: var(--text-faint); font-family: var(--font-mono); font-size: 12.5px; }
.terminal-body { padding: 16px; display: flex; flex-direction: column; gap: 13px; }

.code { border: 1px solid var(--line-panel); border-radius: 10px; background: var(--surface-code); overflow: hidden; }
.code-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 12px; border-bottom: 1px solid var(--line-soft);
}
.code-label { color: var(--text-faint); font-weight: 600; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.code-actions { display: flex; gap: 8px; }
.code-body {
  padding: 14px; overflow: auto; color: var(--text-soft);
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.65;
}
.code-body-tall { max-height: 480px; }
.ph { color: var(--placeholder); }
.code-value { color: var(--success); font-weight: 600; }

.code-accent { border-color: var(--tint-line); background: var(--tint-surface); }
.code-accent .code-head { border-bottom-color: var(--tint-line-soft); }
.code-accent .code-label { color: var(--accent); }
.code-accent .copy-btn { border-color: var(--tint-line-strong); background: var(--tint-control); color: var(--accent); }

.code-lg { border-radius: 14px; }
.code-lg .code-head { padding: 12px 16px; }
.code-lg .code-body { padding: 16px; }
.code-lg .copy-btn { padding: 5px 12px; }

/* Must follow .code-accent .copy-btn so hover still wins inside tinted panels. */
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }

.code-card { border-radius: 12px; display: flex; flex-direction: column; }
.code-foot { padding: 12px 14px; border-top: 1px solid var(--line-soft); }
.code-foot-text { color: var(--text-dim); font-size: 12.5px; line-height: 1.55; }
.code-foot-text strong { color: var(--text-soft); font-weight: 600; }

.fingerprint { margin-top: auto; padding: 12px 14px; background: var(--brand); }
.fingerprint-label {
  color: var(--accent-pale); font-weight: 600; font-size: 10.5px;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px;
}
.fingerprint-value {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--on-brand);
  letter-spacing: .02em; word-break: break-all;
}

.tabs {
  display: flex; gap: 2px; padding: 0 6px; border-bottom: 1px solid var(--tint-line-soft);
  overflow-x: auto; overflow-y: hidden; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 9px 12px; font-family: var(--font-sans); font-size: 12.5px; cursor: pointer;
  white-space: nowrap; background: transparent; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color .15s ease, border-color .15s ease;
  color: var(--text-faint); font-weight: 500;
}
.tab.is-active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tab:hover { color: var(--accent-pale); }

.callout {
  display: flex; gap: 11px; align-items: flex-start; padding: 12px 14px;
  border: 1px solid var(--line-panel); border-radius: 10px; background: var(--surface-note);
}
.callout .dot { flex: none; margin-top: 6px; }
.callout-text { color: var(--text-muted); font-size: 12.5px; line-height: 1.55; }

/* ── Cards ────────────────────────────────────────────────────────────── */

.feature-card {
  border: 1px solid var(--line-card); border-radius: 16px; background: var(--surface);
  padding: 28px; display: flex; flex-direction: column;
}
.icon-tile {
  width: 44px; height: 44px; border-radius: 11px; background: var(--tint-control);
  border: 1px solid var(--tint-line); display: inline-flex; align-items: center;
  justify-content: center; margin-bottom: 20px;
}
.icon-tile svg { stroke: var(--accent); }
.card-desc { color: var(--text-dim); font-size: 14px; line-height: 1.6; margin: 0 0 20px; }

.checklist { display: flex; flex-direction: column; gap: 11px; margin-top: auto; }
.check { display: flex; gap: 10px; align-items: flex-start; }
.check-mark { flex: none; color: var(--success); font-size: 13px; margin-top: 1px; }
.check-text { color: var(--text-soft); font-size: 13.5px; line-height: 1.5; }
.check-text strong { color: var(--text); font-weight: 600; }

.subsection { margin-top: 20px; padding-top: 44px; border-top: 1px solid var(--line); }

.tile { border: 1px solid var(--line-card); border-radius: 13px; background: var(--surface); padding: 22px; }
.tile-title { font-family: var(--font-display); font-weight: 600; font-size: 16px; margin-bottom: 7px; }
.tile-desc { color: var(--text-dim); font-size: 13.5px; line-height: 1.55; }
.doc-card { display: block; }
.doc-card .tile-title { color: var(--text); margin-bottom: 6px; }

.prereq { border: 1px solid var(--line-card); border-radius: 14px; background: var(--surface-raised); padding: 24px; }
.prereq-title { font-family: var(--font-display); font-weight: 600; font-size: 17px; margin-bottom: 9px; }
.prereq-desc { color: var(--text-dim); font-size: 14px; line-height: 1.6; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.chip {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-muted);
  border: 1px solid var(--line-panel); padding: 7px 13px; border-radius: 999px;
}

/* ── Configurator ─────────────────────────────────────────────────────── */

.page-header { padding-top: 48px; padding-bottom: 32px; }
.layout {
  display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 32px;
  align-items: start; padding-bottom: 72px;
}
/* Let grid/flex tracks shrink below their content so the <pre> blocks scroll
   internally instead of forcing the whole page wider than the viewport. */
.page-configurator :is(.panel, .code, .output) { min-width: 0; }

.panel { border: 1px solid var(--line-panel); border-radius: 14px; background: var(--surface-raised); padding: 24px; }
.stack { display: flex; flex-direction: column; gap: 22px; }
.output { display: flex; flex-direction: column; gap: 20px; }

.overline { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint); }
.panel > .overline-spaced { margin-bottom: 16px; }

.mode-row { display: flex; align-items: center; justify-content: space-between; }
.mode-switch { display: flex; align-items: center; gap: 10px; }
.mode-switch-label { font-size: 13px; font-weight: 600; color: var(--text-muted); cursor: pointer; user-select: none; }
.mode-switch-label.is-on { color: var(--accent); }

.field-label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.field-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.field-name { font-weight: 600; font-size: 14px; }
.field-value { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.sub-label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.range-scale { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-faint); margin-top: 4px; }
.hint { font-size: 12px; color: var(--text-faint); margin: 8px 0 0; line-height: 1.5; }
.divider { border: none; border-top: 1px solid var(--line-panel); margin: 0; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.provider-buttons { display: flex; flex-wrap: wrap; gap: 8px; }

.reveal { display: none; flex-direction: column; gap: 22px; }
.reveal.is-open { display: flex; }
.reveal-tight { gap: 10px; }
.log-extra { display: block; margin-top: 8px; }

.summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.stat { border: 1px solid var(--line-card); border-radius: 10px; background: var(--surface-bar); padding: 14px; }
.stat-label { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.stat-value { font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--text); margin-bottom: 4px; }
.stat-sub { font-size: 12px; color: var(--text-dim); }
.summary-note { font-size: 12.5px; color: var(--text-dim); margin: 16px 0 0; line-height: 1.55; }

/* ── Form controls ────────────────────────────────────────────────────── */

input[type="range"] { width: 100%; accent-color: var(--accent); cursor: pointer; }
select, input[type="text"], input[type="number"] {
  width: 100%; padding: 10px 12px; border-radius: 9px;
  border: 1px solid var(--line-control); background: var(--control); color: var(--text);
  font-family: var(--font-sans); font-size: 14px;
}
select:focus, input:focus { outline: none; border-color: var(--accent); }

.toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--line-control); border-radius: 24px; transition: .2s;
}
.toggle-slider:before {
  position: absolute; content: ""; height: 18px; width: 18px;
  left: 3px; bottom: 3px; background: var(--text-muted); border-radius: 50%; transition: .2s;
}
.toggle input:checked + .toggle-slider { background: var(--brand); }
.toggle input:checked + .toggle-slider:before { transform: translateX(20px); background: var(--on-brand); }

.prov-btn {
  padding: 8px 13px; border-radius: 8px; border: 1px solid var(--line-control);
  background: var(--control); color: var(--text-muted);
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: border-color .15s, color .15s, background .15s;
}
.prov-btn:hover { border-color: var(--line-control-hover); color: var(--text-soft); }
.prov-btn[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); background: var(--accent-wash); }

/* ── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .page-home .wrap { padding-left: 28px; padding-right: 28px; }
  .page-configurator .wrap { padding-left: 24px; padding-right: 24px; }
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 40px; }
  .page-title { font-size: 32px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .summary-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .page-home .wrap { padding-left: 20px; padding-right: 20px; }
  .page-configurator .wrap { padding-left: 16px; padding-right: 16px; }
  .hero-title { font-size: 32px; }
  .page-title { font-size: 26px; }
  .page-lede { font-size: 15px; }
  .grid-3 { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: 1fr; }
  .page-header { padding-top: 32px; padding-bottom: 24px; }
  .panel { padding: 18px; }
  .page-home .bar { flex-wrap: wrap; gap: 14px; }
  .page-home .nav-links { gap: 14px; flex-wrap: wrap; }
  .page-configurator .site-nav .bar { flex-wrap: wrap; gap: 12px; }
  .page-configurator .nav-links { gap: 12px 18px; flex-wrap: wrap; }
}