/* ============================================================
   GenovaVerse — site.css
   Dark-first technical aesthetic. Zero external dependencies.
   ============================================================ */

:root {
  --bg: #07090f;
  --bg-alt: #0a0d15;
  --bg-elev: #0d1119;
  --panel: #101623;
  --panel-2: #141b2b;
  --border: #1e2739;
  --border-soft: #172032;
  --text: #e9edf5;
  --muted: #8d99ad;
  --faint: #5d6a80;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-glow: rgba(124, 92, 255, 0.35);
  --ok: #34d399;
  --warn: #fbbf24;
  --grad: linear-gradient(92deg, #7c5cff 0%, #22d3ee 100%);
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
  --radius: 14px;
  --radius-sm: 9px;
  --nav-h: 64px;
  --maxw: 1180px;
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.65);
}

[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-alt: #eef1f8;
  --bg-elev: #ffffff;
  --panel: #ffffff;
  --panel-2: #f2f5fa;
  --border: #d9e0ec;
  --border-soft: #e3e9f3;
  --text: #141a26;
  --muted: #55617a;
  --faint: #8a94ab;
  --accent: #6246e5;
  --accent-2: #0891b2;
  --accent-glow: rgba(98, 70, 229, 0.18);
  --grad: linear-gradient(92deg, #6246e5 0%, #0891b2 100%);
  --shadow-lg: 0 24px 50px -24px rgba(23, 32, 54, 0.25);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--panel-2);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: 0.08em 0.4em;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--panel); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 8px; transition: top 0.2s;
}
.skip-link:focus { top: 12px; }
::selection { background: rgba(124, 92, 255, 0.35); }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 820px; }
.section { padding: 88px 0; position: relative; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.center { text-align: center; }
.mt-lg { margin-top: 40px; }
.muted { color: var(--muted); }

/* ---------- type ---------- */
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; font-weight: 750; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.12rem; letter-spacing: -0.01em; }
.kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent-2);
  margin-bottom: 14px;
}
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 1.14rem; color: var(--muted); max-width: 56ch; margin-top: 18px; }
.lede strong { color: var(--text); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head .section-sub { color: var(--muted); margin-top: 14px; font-size: 1.03rem; }

/* ---------- nav ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow 0.25s;
}
.site-nav.scrolled { box-shadow: 0 8px 30px -12px rgba(0, 0, 0, 0.5); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.06rem; letter-spacing: -0.01em; }
.brand-mark { width: 28px; height: 28px; flex: none; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 13px; border-radius: 8px;
  color: var(--muted); font-size: 0.94rem; font-weight: 550;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text); background: var(--panel-2); }
.nav-links a[aria-current="page"] { color: var(--text); background: var(--panel-2); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  width: 36px; height: 36px; border-radius: 9px;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  color: var(--muted);
  transition: color 0.15s, border-color 0.15s;
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent); }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 650; font-size: 0.95rem;
  padding: 10px 20px; border-radius: 10px;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 24px -8px var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 10px 32px -6px var(--accent-glow); transform: translateY(-1px); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--panel); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-lg { padding: 13px 28px; font-size: 1rem; border-radius: 12px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 104px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: -40% -20% auto;
  height: 640px;
  background:
    radial-gradient(600px 320px at 22% 30%, rgba(124, 92, 255, 0.16), transparent 70%),
    radial-gradient(520px 300px at 78% 20%, rgba(34, 211, 238, 0.10), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 62% at 50% 8%, black 0%, transparent 68%);
  -webkit-mask-image: radial-gradient(ellipse 90% 62% at 50% 8%, black 0%, transparent 68%);
  opacity: 0.35;
  pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.pill-list {
  list-style: none; padding: 0;
  display: flex; flex-wrap: wrap; gap: 9px;
  margin-top: 26px;
}
.pill-list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 6px 12px;
  border-radius: 999px;
}
.pill-list li::before { content: "▸ "; color: var(--accent-2); }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-fine { margin-top: 22px; font-size: 0.88rem; color: var(--faint); font-family: var(--font-mono); }
.hero-fine strong { color: var(--text); }

/* terminal card */
.term-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  font-family: var(--font-mono);
}
.term-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--panel);
}
.term-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: #2a3550; }
.term-bar .dot:first-child { background: #ff5f57; }
.term-bar .dot:nth-child(2) { background: #febc2e; }
.term-bar .dot:nth-child(3) { background: #28c840; }
.term-title { margin-left: 10px; font-size: 0.74rem; color: var(--faint); letter-spacing: 0.04em; }
.term-badge {
  margin-left: auto;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  border: 1px solid color-mix(in srgb, var(--accent-2) 40%, transparent);
  border-radius: 999px;
  padding: 2px 9px;
}
.term-body {
  padding: 18px 18px 22px;
  font-size: 0.78rem;
  line-height: 1.9;
  min-height: 300px;
  color: var(--muted);
}
.term-body .t-line { white-space: pre-wrap; word-break: break-word; animation: termIn 0.3s ease both; }
.term-body .t-line .ok { color: var(--ok); }
.term-body .t-line .hot { color: var(--accent-2); }
.term-body .t-line .warn { color: var(--warn); }
.term-body .t-line .dim { color: var(--faint); }
.term-body .cursor { display: inline-block; width: 8px; height: 14px; background: var(--accent-2); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes termIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
}
.step::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad);
  opacity: 0.7;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-2);
  letter-spacing: 0.2em;
  margin-bottom: 14px;
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* flow diagram */
.flow-card {
  margin-top: 44px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.flow { display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap; justify-content: center; }
.flow-node {
  flex: 1 1 150px;
  max-width: 200px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  padding: 14px 14px;
  text-align: center;
  display: flex; flex-direction: column; gap: 3px;
}
.flow-node span { font-weight: 650; font-size: 0.92rem; }
.flow-node small { color: var(--faint); font-size: 0.72rem; font-family: var(--font-mono); line-height: 1.4; }
.flow-node.accent { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: 0 0 24px -8px var(--accent-glow); }
.flow-node.alt { border-style: dashed; }
.flow-arrow {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--accent-2);
  flex-direction: column; gap: 2px;
}
.flow-arrow small { font-size: 0.62rem; font-family: var(--font-mono); color: var(--faint); }

/* ---------- architecture ---------- */
.arch-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 28px; }
.arch-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.arch-card h3 { margin-bottom: 10px; }
.arch-card p { color: var(--muted); font-size: 0.95rem; }
.arch-card em { color: var(--accent-2); font-style: normal; }

/* ---------- tables ---------- */
.table-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; min-width: 640px; }
thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--faint);
  font-weight: 600;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  white-space: nowrap;
}
tbody td { padding: 15px 18px; border-bottom: 1px solid var(--border-soft); color: var(--muted); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody th[scope="row"] { color: var(--text); font-weight: 600; white-space: nowrap; }
tbody tr:hover td { background: color-mix(in srgb, var(--panel-2) 55%, transparent); }
.featured-row td { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.included { color: var(--ok) !important; font-weight: 600; }

/* tier tags */
.tier-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  border: 1px solid color-mix(in srgb, var(--accent-2) 45%, transparent);
  border-radius: 6px;
  padding: 2px 8px;
  background: color-mix(in srgb, var(--accent-2) 8%, transparent);
}
.tier-tag.gate { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: color-mix(in srgb, var(--warn) 8%, transparent); }

/* ---------- tiers ---------- */
.tier-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.tier-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px;
  position: relative;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.25s;
}
.tier-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); box-shadow: var(--shadow-lg); }
.tier-card .tier-rate { margin: 14px 0 12px; font-size: 0.9rem; color: var(--muted); }
.tier-card .tier-rate strong { font-size: 1.75rem; color: var(--text); letter-spacing: -0.02em; }
.tier-card p { font-size: 0.86rem; color: var(--muted); line-height: 1.55; }
.tier-card.featured {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  box-shadow: 0 0 34px -10px var(--accent-glow);
}
.tier-flag {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 0.64rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: #fff; background: var(--grad);
  padding: 3px 12px; border-radius: 999px;
  white-space: nowrap;
}
.tiers-foot { margin-top: 22px; font-size: 0.88rem; color: var(--faint); }
.tiers-foot a { color: var(--accent-2); }
.tiers-foot a:hover { text-decoration: underline; }

/* ---------- SLO strip ---------- */
.slo-strip { background: var(--bg-elev); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.slo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.slo-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 750;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.slo-item p { color: var(--muted); font-size: 0.9rem; margin-top: 8px; }
.slo-note { text-align: center; margin-top: 30px; color: var(--faint); font-size: 0.85rem; }

/* ---------- access ---------- */
.access-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-lg);
}
.turnstile-wrap { min-height: 90px; display: flex; flex-direction: column; justify-content: center; }
.access-gate-note { color: var(--muted); font-size: 0.92rem; font-family: var(--font-mono); }
.access-form { display: flex; flex-direction: column; gap: 18px; }
.access-form[hidden] { display: none; }
.form-row { display: flex; flex-direction: column; gap: 7px; }
.form-row label { font-weight: 600; font-size: 0.9rem; }
.hint { font-size: 0.78rem; color: var(--faint); }
.hint-inline { font-weight: 400; color: var(--faint); font-size: 0.8em; }
input, select, textarea {
  font: inherit; font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
textarea { resize: vertical; min-height: 96px; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 38px; }
input[type="range"] { padding: 0; border: 0; background: none; -webkit-appearance: none; appearance: none; height: 26px; }
input[type="range"]::-webkit-slider-runnable-track { height: 5px; border-radius: 3px; background: var(--border); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; margin-top: -6.5px; border-radius: 50%; background: var(--grad); border: 2px solid var(--bg); box-shadow: 0 0 0 1px var(--accent); cursor: pointer; }
input[type="range"]::-moz-range-track { height: 5px; border-radius: 3px; background: var(--border); }
input[type="range"]::-moz-range-thumb { width: 15px; height: 15px; border-radius: 50%; background: var(--accent); border: 2px solid var(--bg); cursor: pointer; }
output { font-family: var(--font-mono); font-size: 0.88rem; color: var(--accent-2); }
.form-fine { font-size: 0.8rem; color: var(--faint); }

/* ---------- calculator ---------- */
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.calc-controls, .calc-result {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex; flex-direction: column; gap: 20px;
}
.calc-label { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--faint); }
.calc-total {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 750;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  transition: opacity 0.15s;
}
.calc-breakdown { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--border-soft); padding-top: 18px; }
.calc-breakdown > div { display: flex; justify-content: space-between; gap: 12px; font-size: 0.92rem; }
.calc-breakdown dt { color: var(--muted); }
.calc-breakdown dd { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text); }
.calc-note { font-size: 0.82rem; color: var(--faint); border-top: 1px solid var(--border-soft); padding-top: 14px; }

/* ---------- examples ---------- */
.examples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.example {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.example.featured { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: 0 0 30px -12px var(--accent-glow); }
.example h3 { margin-bottom: 10px; }
.example > p { color: var(--muted); font-size: 0.9rem; margin-bottom: 18px; }
.example > p strong { color: var(--text); }
.example-math { display: flex; flex-direction: column; gap: 8px; font-size: 0.86rem; }
.example-math > div { display: flex; justify-content: space-between; gap: 10px; }
.example-math span { color: var(--muted); }
.example-math em { font-family: var(--font-mono); font-style: normal; font-variant-numeric: tabular-nums; }
.example-math .total { border-top: 1px solid var(--border); margin-top: 8px; padding-top: 12px; font-weight: 700; }
.example-math .total em { color: var(--accent-2); font-size: 1.05rem; }
.example-tip { margin-top: 16px; font-size: 0.82rem; color: var(--faint); border-left: 2px solid var(--accent); padding-left: 12px; }

/* SLO credits */
.slo-credits {
  margin-top: 26px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2);
  border-radius: var(--radius-sm);
  padding: 24px 26px;
}
.slo-credits h3 { margin-bottom: 8px; }
.slo-credits p { color: var(--muted); font-size: 0.95rem; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item[open] { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.faq-item summary {
  padding: 18px 22px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 1.2rem; color: var(--accent-2);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 22px 20px; color: var(--muted); font-size: 0.94rem; }
.faq-item a { color: var(--accent-2); }
.faq-item a:hover { text-decoration: underline; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--border-soft); background: var(--bg-alt); padding: 56px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 0.7fr 0.9fr 0.8fr; gap: 32px; }
.foot-brand { font-weight: 750; font-size: 1.1rem; }
.foot-tag { color: var(--faint); font-size: 0.9rem; margin-top: 10px; line-height: 1.55; }
.foot-h {
  font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--faint); margin-bottom: 14px;
}
.foot-grid p a { color: var(--muted); font-size: 0.92rem; display: inline; }
.foot-grid p a:hover { color: var(--accent-2); }
.foot-legal { margin-top: 44px; padding-top: 20px; border-top: 1px solid var(--border-soft); }
.foot-legal p { color: var(--faint); font-size: 0.82rem; }
.foot-legal a { color: var(--muted); }
.foot-legal a:hover { color: var(--accent-2); }

/* ---------- page head (pricing) ---------- */
.page-head { padding: 84px 0 24px; }
.page-head h1 { margin-top: 4px; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; transition-delay: var(--rd, 0s); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .term-body .t-line { animation: none; }
  .cursor { animation: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .tier-grid { grid-template-columns: repeat(3, 1fr); }
  .tier-card.featured { grid-column: span 3; }
  .examples { grid-template-columns: 1fr; }
  .slo-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .calc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .hero { padding: 64px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr; }
  .arch-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .tier-grid { grid-template-columns: 1fr; }
  .tier-card.featured { grid-column: span 1; }
  .hero-cta .btn { width: 100%; }
  .access-card { padding: 24px 20px; }
  .foot-grid { grid-template-columns: 1fr; }
}