/* Shared styles for static placeholder pages (about, contact, docs, security, legal). */
:root {
  --indigo: #4F3DDB;
  --indigo-700: #3B2BB8;
  --indigo-50: #EFEDFB;
  --gold: #E5B546;
  --gold-50: #FBF3DC;
  --ink: #0A0F1F;
  --ink-70: #3a4055;
  --ink-50: #6b6f80;
  --ink-30: #a3a6b3;
  --line: #E6E7EE;
  --line-2: #d3d6e0;
  --paper: #FFFFFF;
  --mist: #F5F6FA;
  --surface-2: #fbfbfd;
  --card: #FFFFFF;
  --inverse-bg: #0A0F1F;
  --nav-bg: rgba(255,255,255,.78);
  --shadow-xs: 0 1px 2px rgba(10,15,31,.04), 0 0 0 1px rgba(10,15,31,.04);
  --shadow-sm: 0 1px 2px rgba(10,15,31,.05), 0 4px 12px rgba(10,15,31,.04);
  --shadow-md: 0 6px 20px rgba(10,15,31,.06), 0 1px 3px rgba(10,15,31,.04);
  --shadow-lg: 0 24px 48px -12px rgba(10,15,31,.18), 0 2px 6px rgba(10,15,31,.04);
  --radius: 12px;
  --radius-lg: 18px;
  --container: 920px;
}
[data-theme="dark"] {
  --indigo: #7d6dec;
  --indigo-700: #5d4ce0;
  --indigo-50: rgba(125,109,236,.14);
  --gold: #f0c560;
  --gold-50: rgba(240,197,96,.14);
  --ink: #F5F6FA;
  --ink-70: rgba(245,246,250,.72);
  --ink-50: rgba(245,246,250,.55);
  --ink-30: rgba(245,246,250,.35);
  --line: rgba(255,255,255,.08);
  --line-2: rgba(255,255,255,.16);
  --paper: #0A0F1F;
  --mist: #11162A;
  --surface-2: #0E1325;
  --card: #161B30;
  --nav-bg: rgba(10,15,31,.7);
}
body { transition: background-color .25s ease, color .25s ease; }
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.6;
}
a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
@media (max-width: 640px) { .container { padding: 0 20px; } }

h1, h2, h3, h4 { font-family: inherit; color: var(--ink); margin: 0; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: clamp(34px, 4.5vw, 48px); font-weight: 700; line-height: 1.08; letter-spacing: -0.03em; }
h2 { font-size: clamp(22px, 2.8vw, 28px); font-weight: 700; line-height: 1.18; margin-top: 40px; }
h3 { font-size: 17px; font-weight: 600; line-height: 1.3; margin-top: 28px; }
p  { margin: 14px 0; color: var(--ink-70); }
strong { color: var(--ink); font-weight: 600; }
ul, ol { color: var(--ink-70); padding-left: 22px; }
li { margin: 6px 0; }
hr { border: 0; height: 1px; background: var(--line); margin: 40px 0; }
code { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace; background: var(--mist); padding: 1px 6px; border-radius: 4px; font-size: .92em; color: var(--ink); }

.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--indigo); display: inline-flex; align-items: center; gap: 8px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--indigo); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 18px; border-radius: var(--radius); font-size: 14px; font-weight: 600; transition: transform .15s, box-shadow .2s, background .2s; white-space: nowrap; }
.btn-primary { background: var(--indigo); color: #fff; box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, 0 8px 20px -8px rgba(79,61,219,.55); }
.btn-primary:hover { background: var(--indigo-700); transform: translateY(-1px); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.btn-ghost:hover { background: var(--mist); text-decoration: none; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 13px; }

/* Top nav */
.nav { position: sticky; top: 0; z-index: 50; background: var(--nav-bg); backdrop-filter: saturate(140%) blur(12px); -webkit-backdrop-filter: saturate(140%) blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; letter-spacing: -.015em; color: var(--ink); }
.logo:hover { text-decoration: none; }
.logo-mark { width: 26px; height: 26px; border-radius: 7px; background: linear-gradient(135deg, #4F3DDB 0%, #6f5fe8 60%, #E5B546 130%); display: grid; place-items: center; box-shadow: 0 4px 12px -2px rgba(79,61,219,.5), inset 0 1px 0 rgba(255,255,255,.3); color: #fff; }
.nav-links { display: flex; gap: 22px; font-size: 13.5px; font-weight: 500; color: var(--ink-70); }
.nav-links a { color: var(--ink-70); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
@media (max-width: 720px) { .nav-links { display: none; } }

/* Page hero */
.page-hero { padding: 56px 0 28px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(79,61,219,.04), transparent 80%); }
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero p.lede { font-size: 18px; color: var(--ink-70); margin: 16px 0 0; max-width: 640px; line-height: 1.55; }
.crumbs { font-size: 12.5px; color: var(--ink-50); margin-bottom: 18px; font-family: 'JetBrains Mono', ui-monospace, monospace; }
.crumbs a { color: var(--ink-50); }

/* Body */
main { padding: 48px 0 80px; }
article > * { max-width: 740px; }
article ul, article ol { max-width: 740px; }

.callout {
  margin: 28px 0;
  padding: 18px 22px;
  background: var(--indigo-50);
  border-left: 3px solid var(--indigo);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14.5px;
  color: var(--ink-70);
}
.callout strong { color: var(--ink); }
.callout-warn { background: var(--gold-50); border-left-color: var(--gold); }

.kv { display: grid; grid-template-columns: 220px 1fr; gap: 12px 24px; margin: 24px 0; padding: 22px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); }
.kv dt { color: var(--ink-50); font-size: 13px; font-weight: 600; }
.kv dd { margin: 0; color: var(--ink); font-size: 14px; font-weight: 500; }
@media (max-width: 640px) { .kv { grid-template-columns: 1fr; } .kv dt { margin-top: 8px; } }

.toc {
  margin: 0 0 32px; padding: 18px 22px;
  background: var(--mist); border-radius: var(--radius); font-size: 14px;
}
.toc-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-50); margin-bottom: 8px; }
.toc ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 32px; }
.toc li { margin: 4px 0; }
.toc a { color: var(--ink); }
@media (max-width: 640px) { .toc ul { columns: 1; } }

/* Footer */
footer { background: var(--mist); border-top: 1px solid var(--line); padding: 40px 0 28px; margin-top: 60px; }
.foot-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--ink-50); }
.foot-row a { color: var(--ink-50); }
.foot-row a:hover { color: var(--ink); }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* Contact form */
form.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; margin: 24px 0; max-width: 640px; }
form.contact .full { grid-column: 1 / -1; }
form.contact label { font-size: 12.5px; font-weight: 600; color: var(--ink-70); display: block; margin-bottom: 6px; }
form.contact input, form.contact textarea, form.contact select {
  width: 100%; font-family: inherit; font-size: 14px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 11px 13px; outline: none; transition: border-color .15s, box-shadow .15s;
}
form.contact input:focus, form.contact textarea:focus, form.contact select:focus {
  border-color: var(--indigo); box-shadow: 0 0 0 4px rgba(79,61,219,.10);
}
form.contact textarea { min-height: 120px; resize: vertical; line-height: 1.55; }
@media (max-width: 640px) { form.contact { grid-template-columns: 1fr; } }