/* ORIN site — shared tokens and base (design: design_handoff_orin_cnc) */
:root {
  --bg: #0B0D0F; --panel: #14171A; --well: #0E1113; --bar: #121518;
  --line: #23282D; --line2: #2E343A; --btn: #1C2024; --btn-h: #252A30;
  --text: #E6E8EA; --text2: #AEB5BC; --muted: #7D868F; --faint: #56606A;
  --amber: #FFB020; --amber-h: #FFC857; --amber-bg: #3A2E14; --amber-line: #6B5320;
  --green: #3DDC84; --red: #FF5A5F; --blue: #4DA3FF; --brand: #4D8FD6;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-h); }
img { max-width: 100%; display: block; }
::selection { background: var(--amber); color: var(--bg); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.wrap { width: min(1180px, 100% - 32px); margin: 0 auto; }
.mono { font-family: var(--mono); }
.kicker { font: 700 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--amber); display: flex; align-items: center; gap: 12px; }
.kicker b { color: var(--faint); font-weight: 700; }
.kicker::after { content: ""; flex: 1; height: 1px; background: var(--line); max-width: 220px; }
h1, h2, h3 { font-family: var(--sans); font-weight: 600; line-height: 1.15; margin: 0; letter-spacing: -.01em; text-wrap: balance; }
h2 { font-size: clamp(28px, 4.2vw, 48px); }
h3 { font-size: 20px; }
p { margin: 0 0 1em; color: var(--text2); text-wrap: pretty; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.badge { display: inline-flex; align-items: center; gap: 6px; font: 700 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 6px 8px; border-radius: 4px; border: 1px solid var(--line2); color: var(--text2); background: var(--btn); }
.badge.dev { color: var(--amber); border-color: var(--amber-line); background: var(--amber-bg); }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font: 700 15px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 18px 28px; border-radius: 4px; border: 1px solid var(--line2); background: var(--btn); color: var(--text); cursor: pointer; transition: background .2s, border-color .2s, transform .2s, box-shadow .3s; }
.btn:hover { background: var(--btn-h); color: var(--text); }
.btn.primary { background: var(--amber); border-color: var(--amber); color: var(--bg); }
.btn.primary:hover { background: var(--amber-h); border-color: var(--amber-h); color: var(--bg); transform: translateY(-1px); box-shadow: 0 10px 40px -10px rgba(255,176,32,.6); }
.btn.ghost { background: transparent; color: var(--text2); padding: 10px 14px; font-size: 12px; }
.btn.ghost:hover { color: var(--amber); border-color: var(--amber-line); }

/* top bar */
.topbar { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px max(16px, calc((100% - 1180px) / 2)); transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.topbar.solid { background: rgba(11,13,15,.86); backdrop-filter: blur(10px); border-bottom-color: var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font: 700 18px/1 var(--mono); color: var(--text); }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.brand span { color: var(--amber); }
.brand small { font: 400 15px/1 var(--mono); color: var(--brand); }
.topnav { display: flex; gap: 6px; align-items: center; }
.topnav a { font: 500 13px/1 var(--mono); color: var(--muted); padding: 9px 12px; border-radius: 4px; }
.topnav a:hover, .topnav a[aria-current] { color: var(--text); background: var(--btn); }
.topnav a.dl { color: var(--amber); border: 1px solid var(--amber-line); }
@media (max-width: 640px) { .topnav a:not(.dl) { display: none; } .brand small { display: none; } }

/* reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }

footer { border-top: 1px solid var(--line); padding: 40px 0 56px; margin-top: 40px; color: var(--muted); font: 13px/1.6 var(--mono); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 32px; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
footer a { color: var(--muted); } footer a:hover { color: var(--amber); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- document pages (features, manual) ---------- */
.doc-hero { padding: 132px 0 48px; border-bottom: 1px solid var(--line); background:
  radial-gradient(800px 300px at 80% 0%, rgba(255,176,32,.08), transparent 70%),
  linear-gradient(var(--bg), var(--bg)); position: relative; overflow: hidden; }
.doc-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 40px 40px; opacity: .35; mask-image: linear-gradient(180deg, #000, transparent 85%); pointer-events: none; }
.doc-hero .wrap { position: relative; }
.doc-hero h1 { font-size: clamp(34px, 5.5vw, 60px); margin: 18px 0 14px; }
.doc-hero p { max-width: 720px; font-size: 18px; }

.doc { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; padding: 48px 0; }
.toc { position: sticky; top: 84px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; font: 13px/1.4 var(--mono); padding-right: 6px; }
.toc a { display: block; color: var(--muted); padding: 7px 10px; border-left: 2px solid var(--line); }
.toc a:hover { color: var(--text); }
.toc a.on { color: var(--amber); border-left-color: var(--amber); background: linear-gradient(90deg, rgba(255,176,32,.08), transparent); }
.toc .grp { color: var(--faint); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; margin: 18px 0 6px 12px; }
.toc .grp:first-child { margin-top: 0; }
@media (max-width: 900px) { .doc { grid-template-columns: 1fr; gap: 24px; } .toc { position: static; max-height: none; display: flex; flex-wrap: wrap; gap: 6px; } .toc a { border: 1px solid var(--line2); border-radius: 4px; padding: 7px 10px; } .toc .grp { display: none; } }

.doc-body { min-width: 0; }
.doc-body section { scroll-margin-top: 90px; padding-bottom: 44px; margin-bottom: 44px; border-bottom: 1px solid var(--line); }
.doc-body section:last-child { border-bottom: 0; }
.doc-body h2 { font-size: clamp(26px, 3.2vw, 36px); margin: 12px 0 14px; }
.doc-body h3 { margin: 28px 0 10px; font-size: 19px; color: var(--text); }
.doc-body p, .doc-body li { color: var(--text2); }
.doc-body ul, .doc-body ol { padding-left: 22px; margin: 0 0 1em; }
.doc-body li { margin: 6px 0; }
.doc-body li::marker { color: var(--amber); font-family: var(--mono); }
.doc-body strong { color: var(--text); font-weight: 600; }
.ui { font: 600 .86em/1 var(--mono); color: var(--text); background: var(--btn); border: 1px solid var(--line2); border-radius: 4px; padding: 2px 6px; white-space: nowrap; }
kbd { font: 600 .82em/1 var(--mono); color: var(--amber); background: var(--amber-bg); border: 1px solid var(--amber-line); border-bottom-width: 2px; border-radius: 4px; padding: 2px 6px; }
.note { border: 1px solid var(--line2); border-left: 3px solid var(--blue); background: var(--well); border-radius: 4px; padding: 14px 16px; margin: 16px 0; color: var(--text2); }
.note.warn { border-left-color: var(--amber); }
.note.danger { border-left-color: var(--red); }
.note b { color: var(--text); }
.steps { counter-reset: s; list-style: none; padding: 0 !important; }
.steps li { counter-increment: s; position: relative; padding: 12px 14px 12px 52px; margin: 8px 0; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 14px; top: 12px; font: 700 13px/1.6 var(--mono); color: var(--amber); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin: 16px 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 18px; transition: border-color .25s, transform .25s; }
.card:hover { border-color: var(--line2); transform: translateY(-2px); }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; font-size: 15px; }
.card .ic { font: 700 22px/1 var(--mono); color: var(--amber); margin-bottom: 12px; }
table.spec { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
table.spec th, table.spec td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.spec th { font: 700 11px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
table.spec td:first-child { color: var(--text); white-space: nowrap; }
table.spec td { color: var(--text2); }
.cta-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; padding: 28px; margin: 24px 0 0; background: linear-gradient(120deg, var(--amber-bg), var(--panel) 60%); border: 1px solid var(--amber-line); border-radius: 6px; }
.cta-strip h3 { font-size: 22px; }
.cta-strip p { margin: 6px 0 0; }