/* Shared styles for Sibuor Labs division sub-pages — Signal theme.
   Baked to the current selection: paper background, forest accent, sharp corners. */
:root {
  --bg: #ffffff; --bg-2: #f4f4f1; --ink: #0a0a0a; --ink-2: #3a3a38; --muted: #8a8a85;
  --rule: rgba(10,10,10,0.12); --rule-strong: rgba(10,10,10,0.9);
  --accent: #0b6b3a; --accent-ink: #084f2b; --accent-soft: #e8f1ea;
  --btn-radius: 0; --box-radius: 0; --display-weight: 600;
  --sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 40px; }
.label { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }
.mono { font-family: var(--mono); }
.accent { color: var(--accent); }

/* bar logo */
.barmark { display: flex; flex-direction: column; gap: 3px; width: 26px; flex-shrink: 0; }
.barmark i { display: block; height: 5px; background: var(--ink); }
.barmark i:nth-child(2) { background: var(--accent); }

/* nav */
.nav { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--ink); }
.nav-inner { display: flex; align-items: center; gap: 36px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 12px; font-weight: 600; font-size: 18px; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 28px; font-size: 14px; font-weight: 500; }
.nav-links a { color: var(--ink); }
.nav-links a.is-current { color: var(--accent); }
.nav-spacer { flex: 1; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 11px 20px; font-family: var(--sans); font-size: 14px; font-weight: 600; border: 1px solid var(--rule-strong); background: transparent; color: var(--ink); cursor: pointer; transition: all .15s ease; white-space: nowrap; border-radius: var(--btn-radius); }
.btn:hover { text-decoration: none; background: var(--ink); color: var(--bg); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: #fff; }

.back { position: fixed; left: 18px; bottom: 18px; z-index: 200; white-space: nowrap; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink); background: var(--bg); border: 1px solid var(--rule-strong); padding: 8px 12px; }
.back:hover { background: var(--ink); color: var(--bg); text-decoration: none; }

/* page hero */
.page-hero { padding: 72px 0 64px; border-bottom: 1px solid var(--ink); }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 30px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); text-decoration: none; }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .here { color: var(--ink); }
.page-hero .division-mark { display: inline-flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.page-hero .division-mark .glyph { width: 44px; height: 44px; background: var(--accent); }
.page-hero .division-mark .tagline { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); }
.page-hero h1 { font-size: clamp(48px, 7vw, 92px); line-height: 0.95; letter-spacing: -0.04em; font-weight: var(--display-weight); margin: 0 0 24px; max-width: 14ch; text-wrap: balance; }
.page-hero .lede { font-size: 21px; line-height: 1.5; color: var(--ink-2); max-width: 58ch; margin: 0; text-wrap: pretty; }
.page-hero .hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 36px; }

/* generic section */
section.block { padding: 96px 0; border-bottom: 1px solid var(--ink); }
.section-head { margin: 0 0 56px; }
.section-head .label { display: block; margin-bottom: 22px; }
.section-head h2 { font-size: clamp(34px, 4vw, 52px); line-height: 1.02; letter-spacing: -0.03em; font-weight: var(--display-weight); margin: 0; max-width: 18ch; text-wrap: balance; }
.section-head p { font-size: 19px; color: var(--muted); margin: 22px 0 0; max-width: 56ch; text-wrap: pretty; }

/* feature cards grid */
.grid-cards { display: grid; gap: 16px; }
.grid-cards.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cards.cols-2 { grid-template-columns: repeat(2, 1fr); }
.feature { border: 1px solid var(--ink); border-radius: var(--box-radius); padding: 32px; display: flex; flex-direction: column; gap: 12px; min-height: 220px; }
.feature .idx { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; color: var(--accent); }
.feature h3 { font-size: 23px; font-weight: var(--display-weight); letter-spacing: -0.02em; margin: 0; }
.feature p { font-size: 15px; line-height: 1.5; color: var(--muted); margin: 0 0 auto; }
.feature .flink { font-family: var(--mono); font-size: 12px; color: var(--accent); padding-top: 16px; }
.feature .flink:hover { text-decoration: underline; text-underline-offset: 3px; }

/* process steps */
.steps { display: grid; gap: 0; border-top: 1px solid var(--ink); }
.step { display: grid; grid-template-columns: 0.4fr 1fr 1.6fr; gap: 40px; align-items: start; padding: 40px 0; border-bottom: 1px solid var(--rule); }
.step .step-n { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; color: var(--accent); }
.step h3 { font-size: 30px; font-weight: var(--display-weight); letter-spacing: -0.025em; margin: 0; }
.step p { font-size: 16px; line-height: 1.5; color: var(--ink-2); margin: 0; }

/* mira spotlight (Enterprise) */
.spotlight { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; border: 1px solid var(--ink); border-radius: var(--box-radius); overflow: hidden; }
.spotlight-content { padding: 56px; display: flex; flex-direction: column; }
.spotlight-kicker { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 26px; }
.spotlight-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.spotlight-logo .barmark { width: 38px; }
.spotlight-logo .barmark i { height: 7px; }
.spotlight-logo-text { font-size: 34px; font-weight: 600; letter-spacing: -0.025em; }
.spotlight-content h3 { font-size: 36px; font-weight: var(--display-weight); letter-spacing: -0.03em; margin: 0 0 16px; line-height: 1.02; }
.spotlight-content p { font-size: 17px; line-height: 1.5; color: var(--ink-2); margin: 0 0 28px; max-width: 42ch; }
.spotlight-actions { display: flex; gap: 14px; align-items: center; margin-top: auto; flex-wrap: wrap; }
.spotlight-domain { font-family: var(--mono); font-size: 14px; color: var(--accent); }
.spotlight-visual { background: var(--accent); color: #eef6ef; padding: 56px; display: flex; flex-direction: column; justify-content: space-between; gap: 28px; }
.spotlight-visual .big { font-size: clamp(52px, 5.5vw, 84px); font-weight: var(--display-weight); letter-spacing: -0.045em; line-height: 0.95; }
.spotlight-visual .cap { font-family: var(--mono); font-size: 13px; letter-spacing: 0.04em; opacity: 0.85; max-width: 30ch; }
.spotlight-visual .urlpill { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; font-family: var(--mono); font-size: 13px; background: rgba(255,255,255,0.16); padding: 8px 14px; border-radius: var(--btn-radius); }

/* cross-link to other divisions */
.crosslinks { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--ink); border-radius: var(--box-radius); overflow: hidden; }
.crosslink { padding: 36px; border-right: 1px solid var(--rule); display: flex; align-items: center; justify-content: space-between; gap: 20px; transition: background .15s ease; }
.crosslink:last-child { border-right: 0; }
.crosslink:hover { background: var(--bg-2); text-decoration: none; }
.crosslink .cl-label { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 8px; }
.crosslink h3 { font-size: 26px; font-weight: var(--display-weight); letter-spacing: -0.02em; margin: 0; }
.crosslink .arrow { font-size: 24px; color: var(--accent); }

/* page cta */
.page-cta { padding: 110px 0; border-bottom: 1px solid var(--ink); text-align: center; }
.page-cta h2 { font-size: clamp(40px, 5vw, 68px); line-height: 0.98; letter-spacing: -0.035em; font-weight: var(--display-weight); margin: 0 auto 24px; max-width: 16ch; text-wrap: balance; }
.page-cta p { font-size: 19px; color: var(--muted); margin: 0 auto 32px; max-width: 50ch; }
.page-cta .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* footer */
footer { padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 32px; padding-bottom: 40px; border-bottom: 1px solid var(--rule); }
.footer-col h4 { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 500; margin: 0 0 18px; }
.footer-col p { color: var(--muted); margin: 8px 0 0; max-width: 34ch; font-size: 14px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.footer-col a { color: var(--ink-2); font-size: 14px; font-weight: 500; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 26px; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.footer-bottom .links { display: flex; gap: 18px; }

@media (max-width: 940px) {
  .grid-cards.cols-3, .grid-cards.cols-2 { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 14px; }
  .spotlight { grid-template-columns: 1fr; }
  .crosslinks { grid-template-columns: 1fr; }
  .crosslink { border-right: 0; border-bottom: 1px solid var(--rule); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}