/* Turrigan marketing site - dark premium sentinel.
   Palette: graphite/navy slate surfaces, sentinel gold accent, verdict semantics.
   Type: Inter (UI), JetBrains Mono (evidence/code). AA contrast throughout. */

:root {
  --bg: #0b1220;          /* page */
  --bg-raise: #101a2d;    /* section alt */
  --surface: #141f35;     /* cards */
  --surface-2: #0d1526;   /* terminal */
  --border: #24324d;
  --text: #e8edf6;
  --text-dim: #a7b4cb;
  --accent: #e8b64c;      /* sentinel gold */
  --accent-ink: #141004;
  --ok: #4ade80;
  --bad: #f87171;
  --esc: #fbbf24;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 14px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 200;
  background: var(--accent); color: var(--accent-ink); padding: 10px 16px;
  border-radius: 8px; font-weight: 600; text-decoration: none; transition: top .15s;
}
.skip-link:focus { top: 12px; }

h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: inherit; }
code { font-family: var(--mono); font-size: .92em; background: var(--surface-2); padding: .1em .4em; border-radius: 6px; }
em { font-style: italic; }

.eyebrow {
  font-size: .78rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1em;
}
.accent { color: var(--accent); }
.lede { font-size: 1.15rem; color: var(--text-dim); max-width: 34em; }
.body-lg { font-size: 1.06rem; color: var(--text-dim); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .12em; text-decoration: none; font-size: .95rem; }
.brand .mark { height: 29px; width: auto; display: block; }
.brand.small .mark { height: 25px; }
.brand em { display: block; font-size: .68rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); font-style: normal; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--text-dim); font-size: .92rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--text); }
.nav-cta { margin-left: 8px; }

/* Mobile disclosure menu (hidden on desktop) */
.nav-menu { display: none; margin-left: auto; position: relative; }
.nav-menu summary {
  list-style: none; cursor: pointer; width: 44px; height: 44px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu summary span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }
.nav-menu[open] > nav {
  position: absolute; right: 0; top: 52px; z-index: 120;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 8px; min-width: 210px; display: flex; flex-direction: column;
  box-shadow: 0 20px 50px rgba(0,0,0,.5);
}
.nav-menu[open] > nav a {
  padding: 12px 14px; min-height: 44px; display: flex; align-items: center;
  text-decoration: none; color: var(--text); font-size: .95rem; border-radius: 8px;
}
.nav-menu[open] > nav a:hover, .nav-menu[open] > nav a:focus-visible { background: var(--bg-raise); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; min-height: 44px; border-radius: 10px;
  font-weight: 600; font-size: .95rem; text-decoration: none; cursor: pointer;
  transition: transform .15s ease-out, background .2s, border-color .2s;
  border: 1px solid transparent;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover, .btn-primary:focus-visible { background: #f2c766; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--text-dim); background: var(--surface); }
.btn-sm { padding: 8px 16px; min-height: 40px; font-size: .88rem; }
.btn-lg { padding: 14px 30px; font-size: 1.05rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ---------- hero ---------- */
.hero { padding: 96px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 14px; }
.cta-row.center { justify-content: center; }
.hero-note { font-size: .85rem; color: var(--text-dim); }

/* terminal */
.term {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.term-bar span { width: 11px; height: 11px; border-radius: 50%; background: var(--border); }
.term-bar em { margin-left: auto; font: 600 .78rem var(--mono); color: var(--text-dim); font-style: normal; }
.term-body { margin: 0; padding: 20px; overflow-x: auto; font: 400 .82rem/1.7 var(--mono); color: var(--text-dim); }
.term-body .c { color: #8497b8; }  /* AA (>= 4.5:1) on the terminal surface */
.term-body .ok { color: var(--ok); }
.term-body .bad { color: var(--bad); font-weight: 600; }
.term-body .red { color: var(--bad); }
.term-body .str { color: #9ecbff; }

.verdict-chips { display: flex; gap: 10px; justify-content: center; margin-top: 18px; }
.chip { font: 600 .78rem var(--mono); padding: 5px 14px; border-radius: 999px; border: 1px solid var(--border); }
.chip-allow { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.chip-block { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.chip-esc { color: var(--esc); border-color: color-mix(in srgb, var(--esc) 40%, transparent); }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-raise); border-block: 1px solid var(--border); }
.section h2 { max-width: 21em; }
.problem h2 { max-width: none; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 40px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s, transform .2s ease-out;
}
.card:hover { border-color: #34486e; }
.card p, .card li { color: var(--text-dim); font-size: .95rem; }
.card ul { margin: 14px 0 0; padding-left: 18px; }
.card li { margin-bottom: 6px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.step { position: relative; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.step p { color: var(--text-dim); font-size: .95rem; }
.step-n {
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 800; margin-bottom: 16px;
}

/* planes */
.plane-tag { font: 600 .75rem var(--mono); color: var(--accent); letter-spacing: .12em; margin-bottom: 10px; }
.plane.featured { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent); }

/* evidence */
.evidence-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; }
.ticks li { padding-left: 30px; position: relative; margin-bottom: 14px; color: var(--text-dim); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .38em; width: 16px; height: 16px;
  background: no-repeat center / contain url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23e8b64c" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>');
}
.ticks strong { color: var(--text); }

.posture-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.posture-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.posture-head span { font-weight: 600; }
.posture-head em { font: 500 .75rem var(--mono); color: var(--text-dim); font-style: normal; }
.posture-rows { list-style: none; margin: 0; padding: 0; }
.posture-rows li { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--border); font-size: .9rem; color: var(--text-dim); }
.posture-rows li:last-child { border-bottom: 0; }
.pill { font: 600 .72rem var(--mono); font-style: normal; padding: 3px 10px; border-radius: 999px; }
.pill.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.pill.no { color: var(--text-dim); background: color-mix(in srgb, var(--text-dim) 12%, transparent); }
.posture-note { font-size: .8rem; color: var(--text-dim); margin: 14px 0 0; }

/* honesty */
.honesty-close { max-width: 52em; color: var(--text-dim); margin-top: 34px; font-size: 1.02rem; }

/* dev */
.dev-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.dev a { color: var(--accent); }

/* pilot */
.pilot { padding: 110px 0; text-align: center; }
.pilot-inner { max-width: 760px; }
.pilot .body-lg { margin-inline: auto; }
.pilot .cta-row { margin-top: 34px; }

/* footer */
.footer { border-top: 1px solid var(--border); padding: 36px 0; }
.footer-inner { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.footer nav { display: flex; gap: 20px; margin-left: auto; }
.footer nav a { color: var(--text-dim); font-size: .88rem; text-decoration: none; }
.footer nav a:hover { color: var(--text); }
.footer p { margin: 0; width: 100%; font-size: .8rem; color: var(--text-dim); }
.footer-fine { margin: 4px 0 0; max-width: 60em; line-height: 1.6; }
.footer-fine a { color: var(--text-dim); text-decoration: underline; }
.footer-fine a:hover { color: var(--text); }
.brand.small { font-size: .85rem; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .evidence-grid, .dev-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .nav-menu { display: block; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 64px 0; }
}

/* ---------- legal pages (long-form prose) ---------- */
.legal { max-width: 780px; margin: 0 auto; padding: 72px 24px 96px; }
.legal .eyebrow { margin-bottom: .6em; }
.legal h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin-bottom: .3em; }
.legal .updated { color: var(--text-dim); font-size: .88rem; margin-bottom: 2.4em; }
.legal h2 { font-size: 1.25rem; margin: 2em 0 .6em; }
.legal h3 { font-size: 1rem; margin: 1.4em 0 .4em; }
.legal p, .legal li { color: var(--text-dim); font-size: .98rem; line-height: 1.75; }
.legal a { color: var(--accent); }
.legal ul { padding-left: 20px; margin: 0 0 1em; }
.legal li { margin-bottom: .5em; }
.legal .lead { color: var(--text); font-size: 1.06rem; }
.legal .note { border: 1px solid var(--border); border-left: 3px solid var(--accent);
  background: var(--surface); border-radius: 8px; padding: 16px 20px; margin: 1.6em 0; }
.legal .note p { color: var(--text); margin: 0; font-size: .92rem; }
.legal .ph { color: var(--accent); font-family: var(--mono); font-size: .9em; }

/* ---------- motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy, .hero-demo { animation: rise .6s ease-out both; }
  .hero-demo { animation-delay: .12s; }
  @keyframes rise { from { opacity: 0; transform: translateY(14px); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}