/* banira.js website — shared design system.
   Single source of truth for tokens + components across every page. */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

:root {
  --bg:#f6f1e6; --bg2:#fffdf7; --card:#fffefb; --text:#221e16; --muted:#766f5e;
  --faint:#a89f8b; --border:#e8e0cf; --border2:#d9cdb4; --accent:#bd7f28;
  --code-bg:#1b1812; --code-text:#ece5d4; --code-dim:#8a8270; --green:#7fb069;
  --shadow:0 1px 2px rgba(50,40,18,.05), 0 10px 34px rgba(50,40,18,.06);
}
[data-theme="dark"] {
  --bg:#13110c; --bg2:#19160f; --card:#1d1a13; --text:#f0ebdf; --muted:#9c9583;
  --faint:#6e6755; --border:#2c281e; --border2:#3a3527; --accent:#e0b25c;
  --code-bg:#0d0c08; --code-text:#e7e1d2; --code-dim:#7c7560; --green:#8fc47a;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 44px rgba(0,0,0,.45);
}

::selection { background: var(--accent); color: #fff; }
a { color: inherit; }
h1,h2,h3,h4 { font-family:'Space Grotesk',sans-serif; }
code, pre, .mono { font-family:'IBM Plex Mono',monospace; }

@keyframes blink { 0%,49%{opacity:1} 50%,100%{opacity:0} }

.wrap { max-width:1120px; margin:0 auto; padding-left:28px; padding-right:28px; }
.accent { color:var(--accent); }
.grn { color:var(--green); }
.dim { color:var(--code-dim); }
.grow { flex:1; }

/* ── nav ── */
header.nav { position:sticky; top:0; z-index:20; backdrop-filter:saturate(1.4) blur(10px);
  background:color-mix(in srgb, var(--bg) 82%, transparent); border-bottom:1px solid var(--border); }
.nav nav { display:flex; align-items:center; gap:28px; padding-top:14px; padding-bottom:14px; }
.brand { display:flex; align-items:center; gap:10px; text-decoration:none;
  font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:1.18rem; letter-spacing:-.02em; }
.logo { width:22px; height:22px; border-radius:7px; background:var(--accent); display:inline-flex;
  align-items:center; justify-content:center; box-shadow:inset 0 0 0 2px color-mix(in srgb, #000 14%, transparent); }
.logo > span { width:7px; height:7px; border-radius:2px; background:var(--bg2); }
.nav-link { text-decoration:none; color:var(--muted); font-size:.92rem; font-weight:500; transition:color .15s; }
.nav-link:hover, .nav-link[aria-current="page"] { color:var(--text); }
.nav-link[aria-current="page"] { color:var(--accent); }
.theme-btn { cursor:pointer; width:34px; height:34px; border-radius:9px; border:1px solid var(--border2);
  background:var(--card); color:var(--text); font-size:.95rem; display:inline-flex; align-items:center;
  justify-content:center; transition:border-color .15s; }
.theme-btn:hover { border-color:var(--accent); }

/* ── banner ── */
.banner { display:flex; align-items:center; gap:10px; font-size:.82rem; color:var(--muted);
  border:1px dashed var(--border2); border-radius:10px; padding:8px 14px; background:var(--bg2); margin-top:12px; }
.banner b { color:var(--text); font-weight:600; }
.dot { width:7px; height:7px; border-radius:50%; background:var(--accent); flex:none; }

/* ── hero ── */
.hero { padding:74px 28px 30px; text-align:center; }
.pill { display:inline-flex; align-items:center; gap:8px; font-family:'IBM Plex Mono',monospace;
  font-size:.74rem; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); background:var(--bg2);
  border:1px solid var(--border); border-radius:100px; padding:6px 14px; margin-bottom:26px; }
.hero h1 { font-weight:600; font-size:clamp(2.5rem,6.2vw,4.7rem); line-height:1.02; letter-spacing:-.035em;
  margin:0 auto; max-width:13ch; text-wrap:balance; }
.lede { font-size:clamp(1.05rem,2vw,1.28rem); line-height:1.55; color:var(--muted); max-width:60ch;
  margin:24px auto 0; text-wrap:pretty; }
.lede b { color:var(--text); font-weight:600; }
.cta-row { display:flex; flex-wrap:wrap; gap:14px; justify-content:center; align-items:center; margin-top:38px; }
.install { display:flex; align-items:center; gap:14px; background:var(--code-bg); border-radius:13px;
  padding:13px 13px 13px 20px; box-shadow:var(--shadow); font-family:'IBM Plex Mono',monospace; font-size:.96rem; }
.install .prompt { color:var(--code-dim); }
.install .cmd { color:var(--code-text); }
.btn-secondary { text-decoration:none; font-weight:600; font-size:.96rem; padding:14px 22px; border-radius:13px;
  border:1px solid var(--border2); color:var(--text); background:var(--card); transition:border-color .15s; }
.btn-secondary:hover { border-color:var(--accent); }
.caption { font-family:'IBM Plex Mono',monospace; font-size:.78rem; color:var(--faint); margin-top:18px; }

/* copy buttons */
.copy { cursor:pointer; border:none; border-radius:8px; padding:9px 14px; font-family:'IBM Plex Mono',monospace;
  font-size:.8rem; font-weight:500; background:color-mix(in srgb, var(--code-text) 12%, transparent);
  color:var(--code-text); transition:background .15s; }
.copy:hover { background:color-mix(in srgb, var(--code-text) 22%, transparent); }
.copy.sm { padding:6px 12px; font-size:.74rem; border-radius:7px; }
.copy .ok { color:var(--green); }

/* ── section heads ── */
section { padding-top:54px; padding-bottom:30px; }
.eyebrow { font-family:'IBM Plex Mono',monospace; font-size:.76rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--accent); margin:0 0 12px; }
.sec-head { text-align:center; margin-bottom:40px; }
.sec-head h2 { font-weight:600; font-size:clamp(1.8rem,3.6vw,2.6rem); letter-spacing:-.025em; margin:0; line-height:1.08; }

/* ── terminal block ── */
.terminal { background:var(--code-bg); border-radius:16px; box-shadow:var(--shadow); overflow:hidden; }
.term-bar { display:flex; align-items:center; gap:8px; padding:13px 18px;
  border-bottom:1px solid color-mix(in srgb, var(--code-text) 9%, transparent); }
.tl { width:11px; height:11px; border-radius:50%; }
.term-title { margin-left:10px; font-family:'IBM Plex Mono',monospace; font-size:.78rem; color:var(--code-dim); }
pre.term { margin:0; padding:22px 22px 24px; font-family:'IBM Plex Mono',monospace; font-size:.92rem;
  line-height:1.85; color:var(--code-text); overflow-x:auto; }
.cursor { color:var(--accent); animation:blink 1.1s steps(1) infinite; }

/* ── artifacts flow ── */
.flow { display:grid; grid-template-columns:minmax(240px,0.9fr) auto minmax(280px,1.1fr); gap:8px; align-items:center; }
.card { background:var(--card); border:1px solid var(--border); border-radius:14px; box-shadow:var(--shadow); overflow:hidden; }
.card-head { padding:10px 16px; border-bottom:1px solid var(--border); font-family:'IBM Plex Mono',monospace;
  font-size:.78rem; color:var(--muted); display:flex; gap:8px; align-items:center; }
pre.src { margin:0; padding:16px; font-family:'IBM Plex Mono',monospace; font-size:.74rem; line-height:1.7;
  color:var(--text); overflow-x:auto; }
.engine { display:flex; flex-direction:column; align-items:center; gap:6px; padding:0 6px; }
.engine .lbl { font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--muted); white-space:nowrap; }
.engine .line { width:1px; height:30px; background:linear-gradient(var(--accent), transparent); }
.artifacts { display:grid; gap:10px; }
.artifact { display:flex; align-items:center; gap:12px; background:var(--card); border:1px solid var(--border);
  border-radius:11px; padding:13px 16px; box-shadow:var(--shadow); }
.artifact .glyph { font-family:'IBM Plex Mono',monospace; font-size:1.1rem; color:var(--accent); min-width:1.6em; }
.artifact .t { font-weight:600; font-size:.9rem; }
.artifact .d { font-size:.78rem; color:var(--muted); }
.pipe { background:var(--code-bg); border-radius:14px; box-shadow:var(--shadow); margin-top:20px; overflow:hidden; }
.pipe-bar { display:flex; align-items:center; padding:11px 18px;
  border-bottom:1px solid color-mix(in srgb, var(--code-text) 9%, transparent); }
.pipe-bar .lbl { font-family:'IBM Plex Mono',monospace; font-size:.76rem; color:var(--code-dim); }
pre.pipe-pre { margin:0; padding:18px 22px; font-family:'IBM Plex Mono',monospace; font-size:.88rem;
  line-height:1.9; color:var(--code-text); overflow-x:auto; }

/* ── why cards ── */
.why { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:20px; }
.why-card { background:var(--card); border:1px solid var(--border); border-radius:16px; padding:28px; box-shadow:var(--shadow); }
.why-card .ico { font-family:'Space Grotesk',sans-serif; font-size:1.5rem; color:var(--accent); margin-bottom:16px; }
.why-card h3 { font-weight:600; font-size:1.25rem; margin:0 0 10px; letter-spacing:-.02em; }
.why-card p { margin:0; color:var(--muted); line-height:1.62; font-size:.96rem; text-wrap:pretty; }
.why-card code { font-size:.85em; }

/* ── live demo ── */
.demo-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:20px; align-items:stretch; }
.stage { flex:1; display:flex; align-items:center; justify-content:center; padding:48px 24px;
  background:repeating-linear-gradient(45deg, var(--bg2), var(--bg2) 10px, transparent 10px, transparent 20px); }
.controls { padding:18px 20px; border-top:1px solid var(--border); display:grid; gap:16px; }
.ctrl-row { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.ctrl-label { font-size:.78rem; color:var(--muted); width:54px; font-family:'IBM Plex Mono',monospace; }
.seg { cursor:pointer; font-family:'IBM Plex Mono',monospace; font-size:.78rem; padding:7px 13px; border-radius:8px;
  border:1px solid var(--border2); background:var(--card); color:var(--muted); font-weight:400; transition:.12s; }
.seg[aria-pressed="true"] { border-color:var(--accent); background:color-mix(in srgb, var(--accent) 14%, transparent);
  color:var(--accent); font-weight:600; }
.clicks { font-family:'IBM Plex Mono',monospace; font-size:.76rem; color:var(--muted); }
.tabs { display:flex; gap:2px; padding:12px 12px 0; }
.tab { cursor:pointer; font-family:'IBM Plex Mono',monospace; font-size:.76rem; padding:9px 15px; border:none;
  border-radius:9px 9px 0 0; background:transparent; color:var(--code-dim); font-weight:400; transition:.12s; }
.tab[aria-selected="true"] { background:var(--code-bg); color:var(--accent); box-shadow:inset 0 2px 0 var(--accent); font-weight:600; }
.panel { display:none; flex:1; min-height:0; }
.panel[data-active] { display:block; }
pre.code { margin:0; padding:20px; font-family:'IBM Plex Mono',monospace; font-size:.78rem; line-height:1.75;
  color:var(--code-text); overflow:auto; height:100%; }
.doc-preview { height:100%; overflow:auto; background:var(--bg2); padding:24px; }
.doc-preview .crumb { font-family:'IBM Plex Mono',monospace; font-size:.7rem; color:var(--faint); margin-bottom:16px; }
.doc-preview table { width:100%; border-collapse:collapse; font-size:.8rem; }
.doc-preview th { padding:6px 8px; font-weight:600; color:var(--muted); border-bottom:1px solid var(--border2); text-align:left; }
.doc-preview td { padding:7px 8px; border-bottom:1px solid var(--border); }
.code-foot { padding:11px 16px; border-top:1px solid color-mix(in srgb, var(--code-text) 9%, transparent);
  font-family:'IBM Plex Mono',monospace; font-size:.74rem; color:var(--code-dim); }

/* ── roadmap ── */
.roadmap { border:1px solid var(--border); border-radius:16px; background:var(--bg2); padding:30px;
  display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:18px; }
.roadmap .head { font-family:'IBM Plex Mono',monospace; font-size:.78rem; color:var(--green); grid-column:1/-1; }
.roadmap .phase { font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--accent); }
.roadmap .phase.muted { color:var(--muted); }
.roadmap .body { font-size:.88rem; margin-top:4px; }

/* ════════════════════════════════════════════════════════════
   Subpage chrome: page hero, breadcrumb, docs/cli layout, prose
   ════════════════════════════════════════════════════════════ */

.page-hero { padding:56px 0 8px; }
.breadcrumb { font-family:'IBM Plex Mono',monospace; font-size:.74rem; color:var(--faint); margin:0 0 14px;
  display:flex; gap:8px; flex-wrap:wrap; }
.breadcrumb a { text-decoration:none; color:var(--muted); }
.breadcrumb a:hover { color:var(--accent); }
.breadcrumb .sep { color:var(--border2); }
.page-hero h1 { font-weight:600; font-size:clamp(2rem,4.4vw,3.1rem); letter-spacing:-.03em; margin:0; line-height:1.04; text-wrap:balance; }
.page-hero .sub { color:var(--muted); font-size:clamp(1rem,2vw,1.15rem); line-height:1.55; margin:16px 0 0;
  max-width:62ch; text-wrap:pretty; }

.layout { display:grid; grid-template-columns:230px minmax(0,1fr); gap:46px; align-items:start;
  padding-top:34px; padding-bottom:70px; }
.sidebar { position:sticky; top:76px; align-self:start; }
.sidebar .group + .group { margin-top:26px; }
.sidebar h4 { font-family:'IBM Plex Mono',monospace; font-size:.72rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--faint); margin:0 0 12px; font-weight:400; }
.sidebar a { display:block; text-decoration:none; color:var(--muted); font-size:.9rem; padding:6px 10px;
  border-radius:8px; border-left:2px solid transparent; transition:.12s; }
.sidebar a:hover { color:var(--text); background:var(--bg2); }
.sidebar a[aria-current="page"] { color:var(--accent); border-left-color:var(--accent);
  background:color-mix(in srgb, var(--accent) 9%, transparent); font-weight:500; }
.sidebar.cli a { font-family:'IBM Plex Mono',monospace; font-size:.82rem; }

/* prose */
.prose { max-width:74ch; }
.prose > :first-child { margin-top:0; }
.prose h2 { font-weight:600; font-size:1.55rem; letter-spacing:-.02em; margin:48px 0 14px; scroll-margin-top:80px; }
.prose h3 { font-weight:600; font-size:1.18rem; letter-spacing:-.01em; margin:32px 0 10px; scroll-margin-top:80px; }
.prose p { line-height:1.68; color:var(--text); margin:0 0 16px; }
.prose ul, .prose ol { line-height:1.68; color:var(--text); margin:0 0 16px; padding-left:22px; }
.prose li { margin:6px 0; }
.prose li::marker { color:var(--accent); }
.prose a { color:var(--accent); text-decoration:none; border-bottom:1px solid color-mix(in srgb, var(--accent) 35%, transparent); }
.prose a:hover { border-bottom-color:var(--accent); }
.prose strong { font-weight:600; }
.prose code { font-family:'IBM Plex Mono',monospace; font-size:.86em; background:var(--bg2);
  border:1px solid var(--border); border-radius:6px; padding:1px 6px; }
.prose h2 + p, .prose h3 + p { margin-top:0; }

/* code block (prose) */
.codeblock { background:var(--code-bg); border-radius:12px; box-shadow:var(--shadow); overflow:hidden; margin:0 0 20px; }
.codeblock .cb-bar { display:flex; align-items:center; padding:9px 14px;
  border-bottom:1px solid color-mix(in srgb, var(--code-text) 9%, transparent); }
.codeblock .cb-bar .lbl { font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--code-dim); }
.codeblock pre { margin:0; padding:16px 18px; font-family:'IBM Plex Mono',monospace; font-size:.85rem;
  line-height:1.75; color:var(--code-text); overflow-x:auto; }
.prose .codeblock code { background:none; border:none; padding:0; font-size:inherit; color:inherit; }

/* tables in prose / options */
.table-wrap { overflow-x:auto; margin:0 0 20px; }
table.opt { width:100%; border-collapse:collapse; font-size:.9rem; background:var(--card);
  border:1px solid var(--border); border-radius:12px; overflow:hidden; }
table.opt th { text-align:left; font-weight:600; color:var(--muted); font-size:.8rem; padding:11px 14px;
  background:var(--bg2); border-bottom:1px solid var(--border); }
table.opt td { padding:11px 14px; border-bottom:1px solid var(--border); vertical-align:top; line-height:1.5; }
table.opt tr:last-child td { border-bottom:none; }
table.opt td.k { font-family:'IBM Plex Mono',monospace; font-size:.84rem; color:var(--accent); white-space:nowrap; }
table.opt td.k code { background:none; border:none; padding:0; color:inherit; }

/* callout */
.callout { border:1px solid var(--border2); border-left:3px solid var(--accent); background:var(--bg2);
  border-radius:10px; padding:14px 18px; margin:0 0 20px; font-size:.92rem; line-height:1.6; color:var(--muted); }
.callout strong { color:var(--text); }

/* on-this-page chips / next steps */
.next-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin-top:8px; }
.next-card { display:block; text-decoration:none; background:var(--card); border:1px solid var(--border);
  border-radius:13px; padding:18px 20px; box-shadow:var(--shadow); transition:border-color .15s; }
.next-card:hover { border-color:var(--accent); }
.next-card .k { font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--accent); }
.next-card .t { font-weight:600; margin-top:6px; }
.next-card .d { color:var(--muted); font-size:.86rem; margin-top:4px; line-height:1.5; }

/* cli index grid */
.cmd-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:16px; }
.cmd-card { display:block; text-decoration:none; background:var(--card); border:1px solid var(--border);
  border-radius:14px; padding:20px 22px; box-shadow:var(--shadow); transition:border-color .15s; }
.cmd-card:hover { border-color:var(--accent); }
.cmd-card .name { font-family:'IBM Plex Mono',monospace; font-weight:600; font-size:1rem; }
.cmd-card .name .b { color:var(--accent); }
.cmd-card .d { color:var(--muted); font-size:.88rem; margin-top:8px; line-height:1.5; }

.usage { font-family:'IBM Plex Mono',monospace; font-size:.92rem; color:var(--code-text);
  background:var(--code-bg); border-radius:11px; padding:14px 18px; box-shadow:var(--shadow); margin:0 0 24px; overflow-x:auto; }
.usage .b { color:var(--accent); }
.usage .arg { color:var(--code-text); }
.usage .opt { color:var(--code-dim); }

/* ── footer ── */
footer { border-top:1px solid var(--border); background:var(--bg2); margin-top:30px; }
.foot-grid { padding:48px 28px 30px; display:grid; grid-template-columns:1.4fr repeat(4,1fr); gap:32px; }
.foot-brand { display:flex; align-items:center; gap:10px; font-family:'Space Grotesk',sans-serif;
  font-weight:600; font-size:1.1rem; letter-spacing:-.02em; }
.foot-brand .logo { width:20px; height:20px; border-radius:6px; }
.foot-brand .logo > span { width:6px; height:6px; }
.foot-tag { color:var(--muted); font-size:.86rem; line-height:1.55; margin:14px 0 0; max-width:30ch; text-wrap:pretty; }
.foot-meta { font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--faint); margin-top:16px; }
.foot-col h4 { font-family:'IBM Plex Mono',monospace; font-size:.72rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--faint); margin:0 0 14px; font-weight:400; }
.foot-col .links { display:grid; gap:9px; font-size:.88rem; }
.foot-col .links a { text-decoration:none; color:var(--muted); transition:color .15s; }
.foot-col .links a:hover { color:var(--accent); }
.foot-col.cli .links { font-family:'IBM Plex Mono',monospace; }
.foot-rule { padding:0 28px 36px; }
.foot-rule .ia { font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--faint); }

@media (max-width: 940px) {
  .layout { grid-template-columns:1fr; gap:26px; }
  .sidebar { position:static; top:auto; border:1px solid var(--border); border-radius:12px; padding:16px; background:var(--bg2); }
}
@media (max-width: 860px) {
  .flow { grid-template-columns:1fr; }
  .engine { flex-direction:row; padding:6px 0; }
  .engine .line { width:30px; height:1px; background:linear-gradient(90deg, var(--accent), transparent); }
  .foot-grid { grid-template-columns:1fr 1fr; }
  .nav-hideable { display:none; }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns:1fr; }
}