/* ============================================================
   pondlog.co  —  styles
   field-guide naturalist meets developer documentation
   ============================================================ */

/* ── reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; }

/* ── tokens ───────────────────────────────────────────────── */
:root {
  /* Olympic Peninsula palette */
  --bg:           oklch(0.94 0.025 80);
  --bg-elev:     oklch(0.91 0.030 80);
  --bg-term:     oklch(0.97 0.020 80);
  --bg-card:     oklch(0.96 0.022 80);

  --ink:         oklch(0.22 0.020 145);
  --ink-strong:  oklch(0.16 0.020 145);
  --ink-muted:   oklch(0.42 0.020 145);
  --ink-fade:    oklch(0.58 0.020 145);

  --forest:      oklch(0.36 0.060 150);
  --forest-deep: oklch(0.28 0.060 150);
  --river:       oklch(0.52 0.080 230);
  --mushroom:    oklch(0.50 0.055 65);
  --amber:       oklch(0.68 0.130 65);
  --moss:        oklch(0.62 0.080 145);

  --border:      oklch(0.86 0.020 80);
  --border-strong: oklch(0.78 0.025 80);

  /* terminal source-line accents */
  --src-bird:    oklch(0.55 0.10 50);    /* warm rust */
  --src-wild:    oklch(0.55 0.10 145);   /* leaf */
  --src-fungi:   oklch(0.50 0.10 25);    /* mushroom red */
  --src-tide:    oklch(0.55 0.10 230);   /* river blue */
  --src-flow:    oklch(0.55 0.08 220);   /* paler blue */
  --src-sky:     oklch(0.55 0.09 290);   /* twilight purple-grey */
  --src-pheno:   oklch(0.62 0.13 350);   /* currant pink */
  --src-garden:  oklch(0.50 0.10 145);   /* deep leaf */

  /* type */
  --font-display: 'Fraunces', ui-serif, Georgia, serif;
  --font-body:    'Fraunces', ui-serif, Georgia, serif;
  --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* spacing scale (4 / 8 / 12 / 16 / 24 / 32 / 48 / 64 / 96) */
  --s-1: 0.25rem;  --s-2: 0.5rem;   --s-3: 0.75rem;
  --s-4: 1rem;     --s-6: 1.5rem;   --s-8: 2rem;
  --s-12: 3rem;    --s-16: 4rem;    --s-24: 6rem;

  --radius:     10px;
  --radius-sm:  6px;
  --max-w:      1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          oklch(0.18 0.015 145);
    --bg-elev:     oklch(0.22 0.020 145);
    --bg-term:     oklch(0.15 0.015 145);
    --bg-card:     oklch(0.21 0.018 145);

    --ink:         oklch(0.90 0.020 80);
    --ink-strong:  oklch(0.96 0.020 80);
    --ink-muted:   oklch(0.68 0.020 80);
    --ink-fade:    oklch(0.52 0.020 80);

    --forest:      oklch(0.78 0.075 150);
    --forest-deep: oklch(0.68 0.080 150);
    --river:       oklch(0.74 0.075 230);
    --mushroom:    oklch(0.70 0.060 65);
    --amber:       oklch(0.82 0.135 65);
    --moss:        oklch(0.74 0.080 145);

    --border:      oklch(0.32 0.020 145);
    --border-strong: oklch(0.42 0.025 145);

    --src-bird:    oklch(0.72 0.12 50);
    --src-wild:    oklch(0.74 0.13 145);
    --src-fungi:   oklch(0.70 0.13 25);
    --src-tide:    oklch(0.74 0.12 230);
    --src-flow:    oklch(0.72 0.10 220);
    --src-sky:     oklch(0.72 0.11 290);
    --src-pheno:   oklch(0.78 0.13 350);
    --src-garden:  oklch(0.74 0.13 145);
  }
}

/* ── base ─────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;     /* 17px */
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01" on, "kern" on;
  position: relative;
  overflow-x: hidden;
}

/* paper-grain overlay — single inline SVG, 4% opacity */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.045;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.88' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
@media (prefers-color-scheme: dark) {
  body::before { mix-blend-mode: screen; opacity: 0.06; }
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--forest);
  color: var(--bg);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
}
.skip-link:focus { top: 1rem; }

.muted { color: var(--ink-muted); }

/* ── header ───────────────────────────────────────────────── */
.site-header {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--s-6) var(--s-6) var(--s-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
}
.brand-mark {
  font-size: 1.4rem;
  display: inline-block;
  transform: translateY(0.05em) rotate(-12deg);
  filter: saturate(1.1);
}

.site-nav {
  display: flex;
  gap: var(--s-6);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--ink-muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 120ms ease, border-color 120ms ease;
}
.site-nav a:hover,
.site-nav a:focus-visible { color: var(--forest); border-color: var(--forest); }

/* ── hero ─────────────────────────────────────────────────── */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--s-12) var(--s-6) var(--s-16);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mushroom);
  margin-bottom: var(--s-6);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--ink-strong);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  margin-bottom: var(--s-8);
}
.hero-title em {
  font-style: italic;
  color: var(--forest);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.location-selector {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3) var(--s-4);
  margin-bottom: var(--s-6);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.chip {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.chip:hover { border-color: var(--forest); color: var(--forest); }
.chip.is-active {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--bg);
}
.chip:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.locate-btn {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: 0.45rem 0.85rem;
  border: 1px dashed var(--border-strong);
  border-radius: 999px;
  color: var(--ink-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 140ms ease, border-color 140ms ease;
}
.locate-btn:hover { color: var(--river); border-color: var(--river); }
.locate-btn[data-state="locating"] { color: var(--amber); border-style: solid; }
.locate-btn[data-state="locating"] .locate-icon { animation: pulse 1.2s ease-in-out infinite; }
.locate-icon { font-size: 1rem; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ── terminal (shared) ────────────────────────────────────── */
.terminal {
  background: var(--bg-term);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    0 1px 0 oklch(1 0 0 / 0.04) inset,
    0 8px 24px -16px oklch(0 0 0 / 0.18);
  margin-bottom: var(--s-6);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-muted);
}
.terminal-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-strong);
}
.dot-1 { background: oklch(0.65 0.13 25); }
.dot-2 { background: oklch(0.72 0.12 75); }
.dot-3 { background: oklch(0.65 0.13 150); }
.terminal-title {
  margin-left: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.terminal-skip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-fade);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  transition: color 120ms ease, background 120ms ease;
  flex-shrink: 0;
}
.terminal-skip:hover { color: var(--forest); background: var(--bg-card); }
.terminal-skip.is-hidden { visibility: hidden; }

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-strong);
  padding: var(--s-6);
  margin: 0;
  overflow-x: auto;
  white-space: pre;
}

/* source-line accent colors inside the terminal */
.src-bird   { color: var(--src-bird);   font-weight: 500; }
.src-wild   { color: var(--src-wild);   font-weight: 500; }
.src-fungi  { color: var(--src-fungi);  font-weight: 500; }
.src-tide   { color: var(--src-tide);   font-weight: 500; }
.src-flow   { color: var(--src-flow);   font-weight: 500; }
.src-sky    { color: var(--src-sky);    font-weight: 500; }
.src-pheno  { color: var(--src-pheno);  font-weight: 500; }
.src-garden { color: var(--src-garden); font-weight: 500; }

/* typewriter cursor */
.tw-cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  vertical-align: text-bottom;
  background: var(--forest);
  animation: blink 1s steps(2) infinite;
}
@media (prefers-reduced-motion: reduce) {
  .tw-cursor { animation: none; }
}
@keyframes blink {
  50% { opacity: 0; }
}

/* status / annotation lines inside terminal */
.term-status { color: var(--ink-fade); font-style: italic; }
.term-annot  { color: var(--ink-fade); }
.term-live   { color: var(--moss); font-weight: 500; }

/* ── install CTA ──────────────────────────────────────────── */
.install {
  margin-top: var(--s-6);
}
.install-cmd {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  box-shadow: 0 4px 16px -12px oklch(0 0 0 / 0.25);
}
.install .prompt { color: var(--ink-fade); }
.install-code   { color: var(--ink-strong); font-weight: 500; }

.copy-btn {
  display: inline-grid;
  place-items: center;
  width: 1.75rem; height: 1.75rem;
  border-radius: 6px;
  color: var(--ink-muted);
  position: relative;
  transition: color 120ms ease, background 120ms ease;
}
.copy-btn:hover { color: var(--forest); background: var(--bg-card); }
.copy-btn .copy-done {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  color: var(--moss);
  transition: opacity 200ms ease;
}
.copy-btn.is-copied .copy-default { opacity: 0; }
.copy-btn.is-copied .copy-done    { opacity: 1; }
.copy-btn.is-copied { color: var(--moss); }

.install-alt {
  margin-top: var(--s-3);
  font-size: 0.9375rem;
  color: var(--ink-muted);
}
.install-alt code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--bg-elev);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--ink-strong);
}

/* ── sections ─────────────────────────────────────────────── */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--s-16) var(--s-6);
  border-top: 1px solid var(--border);
}

.cmd-header {
  font-family: var(--font-mono);
  font-size: clamp(1.0625rem, 2.2vw, 1.375rem);
  font-weight: 500;
  color: var(--ink-strong);
  margin-bottom: var(--s-4);
  letter-spacing: -0.005em;
}
.cmd-header .prompt { color: var(--mushroom); margin-right: 0.4em; }
.cmd-header .flag   { color: var(--river); }

.section-intro {
  max-width: 60ch;
  color: var(--ink-muted);
  font-size: 1.0625rem;
  margin-bottom: var(--s-8);
}

/* ── MCP grid ─────────────────────────────────────────────── */
.mcp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--s-4);
}

.mcp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}
.mcp-card:hover {
  border-color: var(--forest);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -16px oklch(0 0 0 / 0.18);
}
.mcp-card[data-expanded="true"] {
  border-color: var(--forest);
}

.mcp-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.mcp-name {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink-strong);
}
.mcp-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-first { background: oklch(from var(--moss) l c h / 0.18); color: var(--forest); }
.badge-aggregate { background: oklch(from var(--amber) l c h / 0.20); color: var(--mushroom); }
@media (prefers-color-scheme: dark) {
  .badge-first { color: var(--moss); }
  .badge-aggregate { color: var(--amber); }
}

.mcp-install {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  display: block;
  padding: 0.6rem 0.75rem;
  background: var(--bg-term);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink-strong);
  word-break: break-all;
}

.mcp-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin: 0;
}
.meta-count { color: var(--ink); font-weight: 500; }

.mcp-toggle {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-muted);
  padding: 0.3rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 120ms ease;
}
.mcp-toggle:hover { color: var(--forest); }
.mcp-toggle .caret { transition: transform 200ms ease; }
.mcp-card[data-expanded="true"] .mcp-toggle .caret { transform: rotate(180deg); }

.mcp-tools {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-muted);
  padding-top: var(--s-3);
  border-top: 1px dashed var(--border);
  white-space: pre-wrap;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 240ms ease, opacity 200ms ease, padding 200ms ease;
}
.mcp-card[data-expanded="true"] .mcp-tools {
  max-height: 320px;
  opacity: 1;
}

.registry-note {
  margin-top: var(--s-8);
  font-size: 0.9375rem;
  color: var(--ink-muted);
  max-width: 65ch;
}
.registry-note a {
  color: var(--river);
  text-decoration-color: oklch(from var(--river) l c h / 0.4);
  text-underline-offset: 3px;
}

.cropgraph-callout {
  margin-top: var(--s-6);
  padding: var(--s-4) var(--s-5);
  border-left: 3px solid var(--river);
  background: oklch(from var(--river) l c h / 0.06);
  max-width: 65ch;
  border-radius: 0 4px 4px 0;
}
.cropgraph-title {
  margin: 0 0 var(--s-2);
  font-size: 1rem;
  font-weight: 600;
}
.cropgraph-callout p {
  margin: 0 0 var(--s-3);
  font-size: 0.9375rem;
  color: var(--ink-muted);
}
.cropgraph-callout a {
  color: var(--river);
  text-decoration-color: oklch(from var(--river) l c h / 0.4);
  text-underline-offset: 3px;
}
.cropgraph-callout .mcp-install {
  display: inline-block;
}

/* ── showcase / receipt ──────────────────────────────────── */
.terminal-receipt .terminal-body { padding: var(--s-8); }

/* ── data source grid ────────────────────────────────────── */
.source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--s-4);
}

.source-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--s-6);
}
.source-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  font-variation-settings: "opsz" 36, "SOFT" 50;
  color: var(--ink-strong);
  margin-bottom: var(--s-4);
  letter-spacing: -0.01em;
}
.source-spec {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.3rem 1rem;
}
.source-spec dt {
  color: var(--ink-fade);
  font-weight: 400;
  text-transform: lowercase;
}
.source-spec dd {
  color: var(--ink);
  margin: 0;
}
.source-spec dd code {
  font-size: 0.8125rem;
  color: var(--forest);
}
.source-spec dd.ok   { color: var(--moss); }
.source-spec dd.warn { color: var(--amber); }
.source-spec dd.warn code { color: var(--amber); background: oklch(from var(--amber) l c h / 0.10); padding: 0 0.3em; border-radius: 3px; }

/* ── architecture diagram ────────────────────────────────── */
.terminal-arch .arch-body {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--ink);
}

/* ── stats ───────────────────────────────────────────────── */
.terminal-stats .stats-body {
  font-size: 0.9375rem;
  line-height: 1.8;
}
.stat-val {
  color: var(--forest);
  font-weight: 600;
}
@media (prefers-color-scheme: dark) {
  .stat-val { color: var(--moss); }
}

/* ── contribute ──────────────────────────────────────────── */
.terminal-contrib .contrib-body {
  font-size: 0.875rem;
  padding: var(--s-6) var(--s-6);
}

.contrib-links {
  margin-top: var(--s-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-6);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
}
.link-arrow {
  color: var(--river);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 120ms ease, border-color 120ms ease;
}
.link-arrow:hover { color: var(--forest); border-color: var(--forest); }

/* ── footer ──────────────────────────────────────────────── */
.site-footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--s-12) var(--s-6) var(--s-8);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.footer-credit-line {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--ink-strong);
  font-variation-settings: "opsz" 36, "SOFT" 100;
  letter-spacing: -0.005em;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-6);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}
.footer-nav a {
  text-decoration: none;
  color: var(--ink-muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 120ms ease, border-color 120ms ease;
}
.footer-nav a:hover { color: var(--forest); border-color: var(--forest); }

.footer-credit {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-fade);
  letter-spacing: 0.02em;
}

/* ── subpages: prose + FAQ ───────────────────────────────── */
.page-prose {
  max-width: 740px;
  margin: 0 auto;
  padding: var(--s-12) var(--s-6) var(--s-16);
}

.page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink-strong);
  font-variation-settings: "opsz" 144, "SOFT" 80;
  margin-bottom: var(--s-8);
}

.prose {
  max-width: 65ch;
}
.prose p {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: var(--s-4);
}
.prose p:last-child { margin-bottom: 0; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elev);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--forest);
}
.prose a {
  color: var(--river);
  text-decoration-color: oklch(from var(--river) l c h / 0.4);
  text-underline-offset: 3px;
  transition: color 120ms ease;
}
.prose a:hover { color: var(--forest); }
.prose em { font-style: italic; color: var(--forest); }

.prose-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-fade);
  margin-top: var(--s-8);
  border-top: 1px solid var(--border);
  padding-top: var(--s-4);
}

/* FAQ list */
.faq {
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
}
.faq-item {
  border-top: 1px solid var(--border);
  padding-top: var(--s-6);
}
.faq-item:first-child {
  border-top: none;
  padding-top: 0;
}
.faq-q {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-variation-settings: "opsz" 36, "SOFT" 80;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
  margin-bottom: var(--s-3);
}
.faq-a p {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: var(--s-3);
}
.faq-a p:last-child { margin-bottom: 0; }
.faq-a code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elev);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--forest);
}
.faq-a a {
  color: var(--river);
  text-decoration-color: oklch(from var(--river) l c h / 0.4);
  text-underline-offset: 3px;
}
.faq-a a:hover { color: var(--forest); }
.faq-a strong {
  color: var(--ink-strong);
  font-weight: 600;
}

.faq-code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.55;
  background: var(--bg-term);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--s-4);
  margin: var(--s-3) 0;
  overflow-x: auto;
  color: var(--ink-strong);
}

.faq-list {
  margin: var(--s-3) 0;
  padding-left: 0;
}
.faq-list li {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--s-2);
  padding-left: 1.5rem;
  position: relative;
}
.faq-list li::before {
  content: '·';
  position: absolute;
  left: 0.4rem;
  color: var(--mushroom);
  font-weight: 600;
}

[aria-current="page"] {
  color: var(--forest) !important;
  border-color: var(--forest) !important;
}

/* ── reveal-on-scroll ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 380ms ease, transform 380ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .site-header { padding: var(--s-4); }
  .site-nav { gap: var(--s-4); font-size: 0.8125rem; }
  .hero { padding: var(--s-8) var(--s-4) var(--s-12); }
  .section { padding: var(--s-12) var(--s-4); }
  .site-footer { padding: var(--s-8) var(--s-4); }

  .hero-title { font-size: clamp(2.25rem, 11vw, 3.25rem); }
  .terminal-body { font-size: 0.75rem; padding: var(--s-4); }
  .terminal-receipt .terminal-body { padding: var(--s-4); }
  .mcp-grid, .source-grid { grid-template-columns: 1fr; }

  .install-cmd { width: 100%; }
  .install-code { font-size: 0.875rem; }
}

/* ── focus visibility ────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: 4px;
}