/* ==========================================================================
   Codex Council — design system
   Tokens → base → layout → components → utilities → responsive
   ========================================================================== */

:root {
  /* Surfaces & text */
  --bg: #f5f8f6;
  --bg-band: #eaf1ec;
  --surface: #ffffff;
  --surface-2: #f3f7f4;
  --ink: #0d1714;
  --ink-2: #283531;
  --muted: #59685f;
  --line: #dde6e0;
  --line-strong: #cad7cf;

  /* Brand */
  --brand: #0f6b57;
  --brand-2: #0a473a;
  --brand-tint: #e4f0ea;
  --gold: #b07a16;
  --warn: #b84a35;

  /* Roles */
  --btn-ink: #ffffff;
  --accent-grad: linear-gradient(135deg, #128f72 0%, #0a473a 100%);

  /* Code */
  --code-bg: #0c1512;
  --code-ink: #e9f3ed;
  --code-border: rgba(255, 255, 255, 0.07);
  --inline-bg: #eef4f0;
  --inline-ink: #0a473a;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(13, 23, 20, 0.06), 0 2px 6px rgba(13, 23, 20, 0.05);
  --shadow: 0 10px 28px rgba(13, 23, 20, 0.10);
  --shadow-lg: 0 24px 60px rgba(13, 23, 20, 0.16);
  --hero-image: url("assets/hero-codex-council.svg");
  --hero-scrim:
    linear-gradient(90deg,
      var(--bg) 0%,
      var(--bg) 40%,
      color-mix(in srgb, var(--bg) 82%, transparent) 54%,
      color-mix(in srgb, var(--bg) 22%, transparent) 72%,
      transparent 92%);
  --hero-scrim-v:
    linear-gradient(180deg,
      var(--bg) 0%,
      var(--bg) 36%,
      color-mix(in srgb, var(--bg) 70%, transparent) 64%,
      color-mix(in srgb, var(--bg) 16%, transparent) 100%);
  --hero-glow:
    radial-gradient(60% 80% at 3% 16%, rgba(15, 107, 87, 0.14), transparent 60%),
    radial-gradient(40% 50% at 26% 0%, rgba(176, 122, 22, 0.07), transparent 60%);

  /* Illustrations (swap per theme) */
  --illus-bg: #f8faf7;
  --img-workflow: url("assets/workflow-codex-council.svg");
  --img-frontend: url("assets/frontend-review-codex-council.svg");
  --img-alters: url("assets/alter-tuning-codex-council.svg");

  /* Geometry */
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 20px;
  --maxw: 1160px;
  --gutter: 24px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a100e;
    --bg-band: #0e1714;
    --surface: #121b18;
    --surface-2: #16211d;
    --ink: #e9f1ed;
    --ink-2: #d2ddd7;
    --muted: #91a39a;
    --line: #233029;
    --line-strong: #2e3d35;
    --brand: #36d9b0;
    --brand-2: #5fe6c4;
    --brand-tint: rgba(54, 217, 176, 0.12);
    --gold: #d8a544;
    --warn: #e98570;
    --btn-ink: #052019;
    --accent-grad: linear-gradient(135deg, #3fe0b5 0%, #18b58e 100%);
    --code-bg: #060d0b;
    --code-ink: #e9f3ed;
    --code-border: rgba(255, 255, 255, 0.06);
    --inline-bg: rgba(54, 217, 176, 0.12);
    --inline-ink: #79edcf;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 26px 64px rgba(0, 0, 0, 0.55);
    --hero-image: url("assets/hero-codex-council-dark.svg");
    --hero-glow:
      radial-gradient(60% 80% at 3% 16%, rgba(54, 217, 176, 0.16), transparent 60%),
      radial-gradient(40% 50% at 26% 0%, rgba(216, 165, 68, 0.08), transparent 60%);
    --illus-bg: #0a100e;
    --img-workflow: url("assets/workflow-codex-council-dark.svg");
    --img-frontend: url("assets/frontend-review-codex-council-dark.svg");
    --img-alters: url("assets/alter-tuning-codex-council-dark.svg");
  }
}

:root[data-theme="dark"] {
  --bg: #0a100e;
  --bg-band: #0e1714;
  --surface: #121b18;
  --surface-2: #16211d;
  --ink: #e9f1ed;
  --ink-2: #d2ddd7;
  --muted: #91a39a;
  --line: #233029;
  --line-strong: #2e3d35;
  --brand: #36d9b0;
  --brand-2: #5fe6c4;
  --brand-tint: rgba(54, 217, 176, 0.12);
  --gold: #d8a544;
  --warn: #e98570;
  --btn-ink: #052019;
  --accent-grad: linear-gradient(135deg, #3fe0b5 0%, #18b58e 100%);
  --code-bg: #060d0b;
  --code-ink: #e9f3ed;
  --code-border: rgba(255, 255, 255, 0.06);
  --inline-bg: rgba(54, 217, 176, 0.12);
  --inline-ink: #79edcf;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 26px 64px rgba(0, 0, 0, 0.55);
  --hero-image: url("assets/hero-codex-council-dark.svg");
  --hero-glow:
    radial-gradient(60% 80% at 3% 16%, rgba(54, 217, 176, 0.16), transparent 60%),
    radial-gradient(40% 50% at 26% 0%, rgba(216, 165, 68, 0.08), transparent 60%);
  --illus-bg: #0a100e;
  --img-workflow: url("assets/workflow-codex-council-dark.svg");
  --img-frontend: url("assets/frontend-review-codex-council-dark.svg");
  --img-alters: url("assets/alter-tuning-codex-council-dark.svg");
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-feature-settings: "cv11", "ss01";
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--brand-2);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
  transition: color 0.15s ease;
}

a:hover { color: var(--brand); }

img { max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 4.6vw, 3.3rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.12rem; letter-spacing: -0.01em; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 0 0 var(--r-sm) 0;
  background: var(--brand-2);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

/* --------------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}

.nav {
  position: relative;
  width: min(var(--maxw), calc(100% - var(--gutter) * 2));
  min-height: 66px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 9px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 9px;
  color: var(--ink-2);
  font-size: 0.93rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--brand);
  background: var(--brand-tint);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.icon-button:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: var(--brand-tint);
}

.icon-button svg {
  width: 19px;
  height: 19px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.lang-switch:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: var(--brand-tint);
}

.nav-toggle { display: none; }

/* Theme toggle icon swap */
.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
}

/* --------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

.hero-inner,
.section-inner,
.footer-grid {
  width: min(var(--maxw), calc(100% - var(--gutter) * 2));
  margin: 0 auto;
}

.section {
  padding: clamp(60px, 8.5vw, 110px) 0;
  scroll-margin-top: 84px;
}

.section.band {
  background: var(--bg-band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 5px 12px 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--brand-tint);
  color: var(--brand-2);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.16rem);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    var(--hero-glow),
    var(--hero-scrim),
    var(--hero-image) right center / cover no-repeat,
    var(--bg);
}

.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(500px, 62vh, 660px);
  padding: clamp(56px, 8vw, 96px) 0;
}

.hero-content {
  max-width: 560px;
}

.hero h1 {
  margin-top: 6px;
  max-width: 12ch;
  font-size: clamp(2.8rem, 6.5vw, 4.6rem);
  line-height: 1.02;
  background: linear-gradient(135deg, var(--ink) 30%, var(--brand) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy {
  max-width: 540px;
  margin: 22px 0 0;
  color: var(--ink-2);
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.hero-trust li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--btn-ink);
  background: var(--accent-grad);
  font-weight: 700;
  font-size: 0.97rem;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--btn-ink);
  filter: brightness(1.03);
}

.button.secondary {
  color: var(--brand-2);
  background: var(--surface);
  border-color: var(--line-strong);
  box-shadow: none;
}

.button.secondary:hover {
  color: var(--brand-2);
  background: var(--brand-tint);
  border-color: var(--brand);
}

/* --------------------------------------------------------------------------
   Cards & grids
   -------------------------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  position: relative;
  height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--line-strong);
}

.card h3 { margin-bottom: 10px; }

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

/* --------------------------------------------------------------------------
   Metrics
   -------------------------------------------------------------------------- */

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 38px;
}

.metric {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.metric strong {
  display: block;
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   Steps
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 38px;
}

.step {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 11px;
  background: var(--brand-tint);
  color: var(--brand);
  font-weight: 800;
  font-size: 0.95rem;
}

.step h3 { margin-bottom: 8px; }

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

/* --------------------------------------------------------------------------
   Visual frame + theme-aware illustrations
   -------------------------------------------------------------------------- */

.visual-frame {
  margin: 38px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--illus-bg);
  box-shadow: var(--shadow);
}

.visual-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* Background-driven illustrations swap source per theme (and follow the toggle). */
.illustration {
  aspect-ratio: 1600 / 900;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.illustration[data-illustration="workflow"] { background-image: var(--img-workflow); }
.illustration[data-illustration="frontend"] { background-image: var(--img-frontend); }
.illustration[data-illustration="alters"] { background-image: var(--img-alters); }

/* --------------------------------------------------------------------------
   Feature row
   -------------------------------------------------------------------------- */

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(28px, 4vw, 44px);
  margin-top: 40px;
}

.feature-row .visual-frame { margin-top: 0; }

.feature-copy p { color: var(--muted); }

.feature-copy ul {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.feature-copy li {
  padding-left: 18px;
  border-left: 3px solid var(--brand);
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   Comparison panels
   -------------------------------------------------------------------------- */

.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  font-weight: 700;
  font-size: 0.95rem;
}

.panel-title::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.panel:last-child .panel-title::before { background: var(--brand); }

.panel-body { padding: 22px; }

.panel-body p:first-child { margin-top: 0; }

.panel-body p:last-child { margin-bottom: 0; }

.panel-body ul { color: var(--muted); padding-left: 20px; }

.panel-body li { margin-bottom: 6px; }

/* --------------------------------------------------------------------------
   Callout
   -------------------------------------------------------------------------- */

.callout {
  position: relative;
  margin-top: 34px;
  padding: 22px 24px 22px 26px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--r);
  background: color-mix(in srgb, var(--gold) 8%, var(--surface));
  color: var(--ink-2);
}

.callout strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   Wide list
   -------------------------------------------------------------------------- */

.wide-list {
  display: grid;
  gap: 14px;
  margin-top: 34px;
  padding: 0;
  list-style: none;
}

.wide-list li {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: var(--muted);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.wide-list li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.wide-list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   Prompt stack
   -------------------------------------------------------------------------- */

.prompt-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.prompt-stack .card { height: 100%; }

.prompt-stack pre code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* --------------------------------------------------------------------------
   Captured runs (sequential command outputs)
   -------------------------------------------------------------------------- */

.runs {
  display: grid;
  gap: 30px;
  margin-top: 40px;
}

.run {
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.run:first-child {
  padding-top: 0;
  border-top: 0;
}

.run-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.run-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 9px;
  background: var(--brand-tint);
  color: var(--brand);
  font-weight: 800;
  font-size: 0.92rem;
}

.run-head h3 { margin: 0; }

.run pre { margin-top: 16px; }

/* --------------------------------------------------------------------------
   Table
   -------------------------------------------------------------------------- */

.table-wrap {
  margin-top: 34px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

th, td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

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

/* --------------------------------------------------------------------------
   Code
   -------------------------------------------------------------------------- */

pre {
  position: relative;
  margin: 20px 0 0;
  padding: 44px 18px 18px;
  overflow-x: auto;
  border: 1px solid var(--code-border);
  border-radius: var(--r);
  background: var(--code-bg);
  color: var(--code-ink);
  box-shadow: var(--shadow);
}

pre::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 18px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #ff5f57;
  box-shadow: 19px 0 #febc2e, 38px 0 #28c840;
}

code {
  font-family: "SFMono-Regular", ui-monospace, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9em;
}

pre code {
  display: block;
  padding: 0;
  line-height: 1.6;
  white-space: pre;
  color: inherit;
}

.inline-code {
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--inline-bg);
  color: var(--inline-ink);
  font-family: "SFMono-Regular", ui-monospace, Consolas, Menlo, monospace;
  font-size: 0.88em;
}

td code,
.table-wrap code {
  padding: 0.1rem 0.36rem;
  border-radius: 6px;
  background: var(--inline-bg);
  color: var(--inline-ink);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  padding: 52px 0 44px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
}

.footer strong {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 1.02rem;
}

.footer strong::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: var(--accent-grad);
}

.footer p { margin: 8px 0 0; font-size: 0.92rem; }

.footer a { color: var(--brand); font-weight: 600; }

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* --------------------------------------------------------------------------
   Wiki layout (sticky TOC + content)
   -------------------------------------------------------------------------- */

.wiki {
  padding: clamp(40px, 6vw, 72px) 0 clamp(56px, 8vw, 96px);
}

.wiki-inner {
  width: min(var(--maxw), calc(100% - var(--gutter) * 2));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: start;
}

.wiki-toc {
  position: sticky;
  top: 86px;
  align-self: start;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  padding-right: 6px;
}

.wiki-toc-group + .wiki-toc-group { margin-top: 18px; }

.wiki-toc strong {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.wiki-toc a {
  display: block;
  padding: 5px 10px;
  border-left: 2px solid var(--line);
  color: var(--ink-2);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.wiki-toc a:hover,
.wiki-toc a.active {
  color: var(--brand);
  border-color: var(--brand);
  background: var(--brand-tint);
}

.wiki-content > section {
  scroll-margin-top: 84px;
  padding-bottom: clamp(30px, 4vw, 52px);
}

.wiki-content > section + section {
  border-top: 1px solid var(--line);
  padding-top: clamp(30px, 4vw, 52px);
}

.wiki-content h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

.wiki-content h2 a.anchor,
.wiki-content h3 a.anchor {
  margin-left: 8px;
  color: var(--line-strong);
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.wiki-content h2:hover a.anchor,
.wiki-content h3:hover a.anchor {
  opacity: 1;
}

.wiki-content h2 a.anchor:hover,
.wiki-content h3 a.anchor:hover {
  color: var(--brand);
}

.wiki-content p { color: var(--muted); }

.wiki-content h3 {
  margin-top: 28px;
  margin-bottom: 4px;
  font-size: 1.08rem;
}

.wiki-lead {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.16rem);
}

/* Meta line under cookbook headings: When / Mode / Lean on */
.recipe-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.recipe-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 0.8rem;
}

.recipe-meta li b {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Paste-ready prompt block */
.prompt {
  position: relative;
  margin: 16px 0 0;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--r);
  background: var(--surface-2);
}

.prompt-tag {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--brand-2);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.prompt code {
  display: block;
  color: var(--ink-2);
  font-family: "SFMono-Regular", ui-monospace, Consolas, Menlo, monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* Copy button (injected by site.js) */
.copy-btn {
  position: absolute;
  top: 10px;
  right: 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 25px;
  padding: 0 9px;
  border: 1px solid var(--code-border);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--code-ink);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  opacity: 0.65;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.copy-btn:hover { opacity: 1; background: rgba(255, 255, 255, 0.14); }

.copy-btn.copied { color: #34d8af; opacity: 1; }

.prompt .copy-btn {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--muted);
}

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

/* --------------------------------------------------------------------------
   Reveal-on-scroll (progressive enhancement)
   -------------------------------------------------------------------------- */

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 920px) {
  .hero h1 { max-width: 16ch; }
  .feature-row { grid-template-columns: 1fr; }
  .wiki-inner { grid-template-columns: 1fr; }
  .wiki-toc { display: none; }
  .grid,
  .grid.two,
  .prompt-stack,
  .comparison,
  .metric-row,
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hero {
    background:
      var(--hero-glow),
      var(--hero-scrim-v),
      var(--hero-image) center bottom / 720px auto no-repeat,
      var(--bg);
  }

  .hero-inner {
    min-height: 0;
    padding-bottom: clamp(210px, 56vw, 320px);
  }

  .hero-content { max-width: none; }

  .nav-toggle { display: inline-flex; }

  .nav-links {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 0 0 var(--r) var(--r);
    background: var(--surface);
    box-shadow: var(--shadow);
    display: none;
  }

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

  .nav-links a { padding: 11px 14px; }
}

@media (max-width: 640px) {
  :root { --gutter: 18px; }

  .grid,
  .grid.two,
  .prompt-stack,
  .comparison,
  .metric-row,
  .steps { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }

  .footer-links { justify-content: flex-start; }

  .actions { width: 100%; }

  .actions .button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { scroll-behavior: auto !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .card:hover,
  .metric:hover,
  .wide-list li:hover,
  .button:hover { transform: none; }
}