/* ============================================================
   AYNI — site shell
   Page-level system for migrated properties. Builds on
   colors_and_type.css (tokens). Twilight ground, candlelight
   voice, orchid living signal, copper only as family signature.
   ============================================================ */

*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg1);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}
/* layered-depth ground: twilight with a candle in it */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 90% 55% at 14% 0%, var(--orchid-veil), transparent 60%),
    radial-gradient(ellipse 64% 50% at 92% 3%, var(--gold-veil), transparent 55%),
    radial-gradient(ellipse 80% 50% at 50% 116%, rgba(184,125,184,0.045), transparent 60%);
}
main, header, footer { position: relative; z-index: 2; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 var(--s-5); }
.measure { max-width: 72ch; }

a { color: var(--gold); text-decoration: none; }
em { font-style: italic; }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(12px);
  background: rgba(14,11,16,0.72);
  border-bottom: var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-3) var(--s-5); max-width: 1140px; margin: 0 auto; }
.wordmark { display: flex; align-items: center; gap: var(--s-2); color: var(--fg1);
  font-family: var(--font-display); font-weight: 400; font-size: 1.375rem; letter-spacing: -0.01em; }
.wordmark .glyph { width: 22px; height: 22px; flex: none; }
.wordmark-pron { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.06em;
  color: var(--fg3); text-transform: uppercase; }
.wordmark-pron em { font-style: italic; color: var(--gold-dim); text-transform: none; }
@media (max-width: 600px){ .wordmark-pron { display: none; } }

.nav-links { display: flex; align-items: center; gap: var(--s-5); }
.nav-links a { color: var(--fg2); font-size: var(--t-small); transition: color var(--t-fast) var(--ease); }
.nav-links a:hover { color: var(--fg1); }
.nav-links a.current { color: var(--gold); }
.nav-links a.btn-primary { color: #1a140a; }
.nav-links a.btn-line { color: var(--gold-bright); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 1.5px; background: var(--fg2); transition: all var(--t-fast) var(--ease); }

/* ---------- BUTTONS ---------- */
.btn { display: inline-flex; align-items: center; gap: var(--s-2); font-family: var(--font-body);
  font-size: var(--t-small); font-weight: 500; padding: 11px 20px; border-radius: 0; cursor: pointer;
  border: 1px solid; transition: all var(--t-fast) var(--ease); }
.btn-primary { background: var(--gold); color: #1a140a; border-color: var(--gold); font-weight: 600; }
.btn-primary:hover { background: var(--gold-bright); border-color: var(--gold-bright); }
.btn-line { background: transparent; color: var(--gold-bright); border-color: var(--gold-dim); }
.btn-line:hover { background: var(--gold-glow); border-color: var(--gold); }
.btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.btn-arrow { transition: transform var(--t-fast) var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- SECTION RULE (sediment break) ---------- */
/* Container break (default): inside .container, clears the spine */
.brk { display: block; width: 100%; height: 54px; margin: 0; overflow: visible; }
.brk path.glow { filter: drop-shadow(0 0 3px rgba(216,189,132,.5)); }
/* Full-bleed break: outside .container, edge-to-edge */
.brk-full { display: block; width: 100%; height: 54px; margin: 0; overflow: visible; }
.brk-full path.glow { filter: drop-shadow(0 0 3px rgba(216,189,132,.5)); }
.rule { height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong), transparent); }

/* ---------- HERO ---------- */
.subpage-hero { padding: var(--s-8) 0 var(--s-6); }
.eyebrow { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--gold-dim); margin-bottom: var(--s-4); display: inline-flex;
  align-items: center; gap: var(--s-3); }
.subpage-title { font-family: var(--font-display); font-weight: 300; font-size: var(--t-display);
  line-height: 1.04; letter-spacing: -0.02em; color: var(--fg1); margin-bottom: var(--s-4); max-width: 18ch; }
.subpage-title em { color: var(--gold); }
.hero-lede { font-family: var(--font-display); font-weight: 300; font-style: italic; font-size: var(--t-lead);
  line-height: 1.4; color: var(--fg2); max-width: 60ch; margin-bottom: var(--s-3); }
.hero-note { font-size: var(--t-small); color: var(--fg3); max-width: 60ch; }
.draft-note { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: 0.04em;
  color: var(--gold-dim); margin-top: var(--s-3); max-width: 64ch; }

/* ---------- PROSE ---------- */
.prose { max-width: 72ch; }
.prose > * + * { margin-top: var(--s-4); }
.prose h2 { font-family: var(--font-display); font-weight: 350; font-size: var(--t-h1); letter-spacing: -0.01em;
  line-height: 1.1; color: var(--fg1); margin-top: var(--s-6); }
.prose h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--t-h2); line-height: 1.15;
  color: var(--fg1); margin-top: var(--s-6); position: relative; }
.prose h3[data-num]::before { content: attr(data-num); display: block; font-family: var(--font-mono);
  font-size: var(--t-label); letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: var(--gold-dim); margin-bottom: var(--s-3); }
.prose p { color: var(--fg2); }
.prose .lead { font-family: var(--font-display); font-weight: 300; font-size: var(--t-lead); line-height: 1.5; color: var(--fg1); }
.prose strong { color: var(--fg1); font-weight: 600; }
.prose em { color: var(--fg1); }
.prose a { border-bottom: 1px solid var(--gold-dim); transition: border-color var(--t-fast); }
.prose a:hover { border-color: var(--gold); }
.prose blockquote { font-family: var(--font-display); font-style: italic; font-size: var(--t-lead);
  line-height: 1.45; color: var(--fg2); border-left: 2px solid var(--gold-dim); padding: var(--s-2) 0 var(--s-2) var(--s-4);
  background: linear-gradient(90deg, var(--gold-veil), transparent 70%); }
section { padding: var(--s-7) 0; }
section.tint { background: var(--bg-deep); border-top: var(--border); border-bottom: var(--border); }

/* ---------- SCAFFOLDING STACK ---------- */
.scaffold { border: var(--border); background: var(--surface); margin-top: var(--s-5); }
.scaffold-head { padding: var(--s-5); border-bottom: var(--border); }
.scaffold-head .l { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--gold-dim); }
.scaffold-head .t { font-family: var(--font-display); font-weight: 350; font-size: var(--t-h2); color: var(--fg1); margin-top: var(--s-2); }
.scaffold-head .t em { color: var(--gold); }
.layer { padding: var(--s-5); border-top: var(--border); display: grid; grid-template-columns: 64px 1fr; gap: var(--s-4);
  transition: background var(--t-slow) var(--ease); }
.layer:first-of-type { border-top: 0; }
.layer:hover { background: var(--surface-2); }
.layer .num { font-family: var(--font-mono); font-size: var(--t-h3); color: var(--gold-dim); font-weight: 400; line-height: 1; }
.layer .name { font-family: var(--font-display); font-size: var(--t-h3); font-weight: 400; color: var(--fg1); }
.layer .q { font-family: var(--font-display); font-style: italic; font-size: var(--t-lead); color: var(--gold);
  margin: var(--s-2) 0 var(--s-3); }
.layer .desc { font-size: var(--t-small); color: var(--fg2); line-height: 1.6; }
.layer .desc strong { color: var(--fg1); font-weight: 600; }
.signals { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-3); }
.sig { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: lowercase;
  padding: 3px 9px; border: 1px solid var(--line-strong); }
.sig.alive { color: var(--orchid-bright); border-color: var(--orchid-dim); }
.sig.mid { color: var(--orchid-dim); }
.sig.empty { color: var(--copper); border-color: var(--copper-dim); }
/* sealed layer */
.layer.sealed { background: var(--bg-deep); }
.layer.sealed .num, .layer.sealed .name { color: var(--orchid-dim); }
.layer.sealed .desc { color: var(--fg3); }
.seal { display: inline-flex; align-items: center; gap: var(--s-2); font-family: var(--font-mono);
  font-size: var(--t-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--orchid-dim);
  margin-bottom: var(--s-2); }
.seal .dot { width: 7px; height: 7px; border: 1px solid var(--orchid-dim); border-radius: 50%; }
.layer-arrow { grid-column: 1 / -1; text-align: center; color: var(--line-strong); font-size: 0.75rem; padding: 2px 0 0; }

/* ---------- DEFINITION LIST (what ours buys) ---------- */
.deflist { list-style: none; margin-top: var(--s-4); border-top: var(--border); }
.deflist li { display: grid; grid-template-columns: 190px 1fr; gap: var(--s-4); padding: var(--s-4) 0; border-bottom: 1px dashed var(--line); }
.deflist .k { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--gold); }
.deflist .v { font-size: var(--t-small); color: var(--fg2); line-height: 1.6; }
.deflist .v strong { color: var(--fg1); }
@media (max-width: 600px){ .deflist li { grid-template-columns: 1fr; gap: var(--s-2); } }

/* ---------- NUMBERED CLAIMS ---------- */
.claims { list-style: none; margin-top: var(--s-4); }
.claims li { display: grid; grid-template-columns: 40px 1fr; gap: var(--s-3); padding: var(--s-4) 0; border-top: var(--border); align-items: baseline; }
.claims .n { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: 0.1em; color: var(--gold-dim); }
.claims .c { font-size: var(--t-small); color: var(--fg2); line-height: 1.6; }
.claims .c strong { color: var(--fg1); font-weight: 500; }

/* ---------- IMAGE TREATMENTS ---------- */
.t-window { background: var(--surface-2); padding: 10px; border: var(--border); border-top: 2px solid var(--gold);
  box-shadow: 0 -1px 14px -6px rgba(216,189,132,.55); }
.t-window img, .t-window image-slot { display: block; width: 100%; }
.t-seam { position: relative; background: var(--surface); }
.t-seam img, .t-seam image-slot { display: block; width: 100%; }
.t-seam::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg, var(--gold), transparent 58%); box-shadow: 0 0 8px rgba(216,189,132,.45); }
.t-seam::after { content: ""; position: absolute; top: 0; left: 0; bottom: 0; width: 2px; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, var(--gold), transparent 58%); box-shadow: 0 0 8px rgba(216,189,132,.45); }
.t-seam .notch { position: absolute; top: 0; left: 0; width: 26px; height: 26px; pointer-events: none; z-index: 3; }
figure { margin: var(--s-5) 0 0; }
figure figcaption { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--fg3); margin-top: var(--s-3); }

/* ---------- CTA STRIP ---------- */
.cta-strip { padding: var(--s-8) 0; border-top: var(--border); }
.cta-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s-5); flex-wrap: wrap; }
.cta-strip-title { font-family: var(--font-display); font-weight: 300; font-size: var(--t-h1); line-height: 1.1; color: var(--fg1); }
.cta-strip-title em { color: var(--gold); font-style: italic; }

/* ---------- FOOTER ---------- */
.footer { padding: var(--s-7) 0 var(--s-8); border-top: var(--border); }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-6); flex-wrap: wrap; }
.footer-cols { display: flex; gap: var(--s-7); flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: var(--s-2); min-width: 120px; }
.footer-col-title { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--gold-dim); margin-bottom: var(--s-2); }
.footer-col a { color: var(--fg3); font-size: var(--t-small); transition: color var(--t-fast); text-decoration: none; }
.footer-col a:hover { color: var(--fg1); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.footer-links a { color: var(--fg3); font-size: var(--t-small); transition: color var(--t-fast); }
.footer-links a:hover { color: var(--fg1); }
.family-sig { display: flex; align-items: center; gap: var(--s-3); color: var(--copper); margin-top: var(--s-5); }
.family-sig .glyph { width: 22px; height: 22px; }
.family-sig .mono { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--copper); opacity: 0.85; }
.footer-pron { font-family: var(--font-mono); font-size: var(--t-label); color: var(--fg-faint); letter-spacing: 0.05em; }

/* ---------- MOTION (progressive enhancement) ----------
   Default: everything visible — no-JS / stripped-CSS safe (entity-readable).
   JS adds .reveal-ready to <html> to ARM the fade; .visible plays it. */
.reveal { opacity: 1; }
html.reveal-ready .reveal { opacity: 0; transform: translateY(16px);
  transition: opacity var(--t-fog) var(--ease), transform var(--t-fog) var(--ease); }
html.reveal-ready .reveal.visible { opacity: 1; transform: none; }
@keyframes breathe { 0%,100% { opacity: .8; } 50% { opacity: 1; } }
.breathe { animation: breathe 6s ease-in-out infinite; }
body.reduced-motion .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
body.reduced-motion .breathe { animation: none !important; }
body.reduced-motion * { transition: none !important; }
@media (prefers-reduced-motion: reduce){
  html { scroll-behavior: auto; }
  html.reveal-ready .reveal { opacity: 1; transform: none; transition: none; }
  .breathe { animation: none; }
}

/* ---------- MOBILE NAV ---------- */
@media (max-width: 760px){
  .nav-toggle { display: flex; }
  .nav-links { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; height: 100dvh; flex-direction: column;
    align-items: flex-start; gap: var(--s-4); background: #0e0b10;
    padding: calc(var(--s-7) + 60px) var(--s-5) var(--s-5); transform: translateY(-100%);
    transition: transform var(--t-slow) var(--ease); z-index: 999; overflow-y: auto; }
  .nav-links.open { transform: none; }
  .nav-close { display: none; position: absolute; top: 16px; right: 20px; background: none; border: 0;
    color: var(--fg2); font-size: 28px; cursor: pointer; z-index: 1001; padding: 8px; line-height: 1; }
  body.nav-open .nav-close { display: block; }
  .nav-links a { font-size: 1.0625rem; }
  .nav-overlay { display: none; position: fixed; inset: 0; background: rgba(8,6,10,0.85);
    z-index: 24; }
  body.nav-open .nav-overlay { display: block; }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ---------- COMPARISON TABLE ---------- */
.table-scroll { overflow-x: auto; margin-top: var(--s-5); }
.cmp { width: 100%; border-collapse: collapse; border: var(--border); font-size: var(--t-small); min-width: 540px; }
.cmp th, .cmp td { text-align: left; padding: var(--s-4); border-top: var(--border); vertical-align: top; line-height: 1.5; }
.cmp thead th { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--fg3); border-top: 0; font-weight: 400; }
.cmp thead th.ours { color: var(--gold); }
.cmp tbody th { font-family: var(--font-body); font-weight: 500; color: var(--fg2); width: 22%; }
.cmp td.them { color: var(--fg3); width: 39%; }
.cmp td.ours { color: var(--fg1); border-left: 1px solid var(--gold-dim); background: var(--gold-veil); width: 39%; }
.cmp td.ours strong { color: var(--gold-bright); font-weight: 500; }

/* ---------- SESSION FLOW (numbered steps) ---------- */
.flow { list-style: none; margin-top: var(--s-5); border: var(--border); background: var(--surface); }
.flow li { display: grid; grid-template-columns: 60px 1fr; gap: var(--s-4); padding: var(--s-5); border-top: var(--border);
  transition: background var(--t-slow) var(--ease); }
.flow li:first-child { border-top: 0; }
.flow li:hover { background: var(--surface-2); }
.flow .s { font-family: var(--font-mono); color: var(--gold-dim); font-size: var(--t-label); letter-spacing: 0.1em; }
.flow .st { font-family: var(--font-display); font-size: var(--t-h3); font-weight: 400; color: var(--fg1); margin-bottom: 6px; }
.flow .sd { font-size: var(--t-small); color: var(--fg2); line-height: 1.6; }
.flow .sd strong { color: var(--fg1); font-weight: 600; }
@media (max-width: 600px){ .flow li { grid-template-columns: 44px 1fr; gap: var(--s-3); padding: var(--s-4); } }

/* ---------- STAT STRIP ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: var(--border); margin-top: var(--s-5); }
.stats .stat { background: var(--surface); padding: var(--s-5); }
.stats .fig { font-family: var(--font-display); font-weight: 300; font-size: var(--t-h1); color: var(--gold); line-height: 1; letter-spacing: -0.01em; }
.stats .lbl { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg3); margin-top: var(--s-3); line-height: 1.4; }
@media (max-width: 600px){ .stats { grid-template-columns: 1fr; } }

/* ---------- BREADCRUMB ---------- */
.breadcrumb { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: 0.06em;
  color: var(--fg-faint); margin-bottom: var(--s-4); }
.breadcrumb a { color: var(--fg-faint); text-decoration: none; transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--fg3); }
.bc-sep { margin: 0 var(--s-2); color: var(--line-strong); }

/* ---------- CONTINUE-TO ---------- */
.continue-to { padding: var(--s-6) 0; }
.continue-link { display: flex; flex-direction: column; gap: var(--s-2); text-decoration: none;
  padding: var(--s-5); border: var(--border); background: var(--surface);
  transition: background var(--t-slow) var(--ease), border-color var(--t-slow) var(--ease); }
.continue-link:hover { background: var(--surface-2); border-color: var(--gold-dim); }
.continue-label { font-family: var(--font-mono); font-size: var(--t-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--gold-dim); }
.continue-title { font-family: var(--font-display); font-size: var(--t-h2); font-weight: 350; color: var(--fg1);
  display: flex; align-items: center; gap: var(--s-3); }
.continue-link:hover .btn-arrow { transform: translateX(4px); }
.continue-link .btn-arrow { transition: transform var(--t-fast) var(--ease); color: var(--gold); }

/* ---------- EDITORIAL SPINE (opt-in: body.has-spine + <svg class="spine-rail">) ---------- */
.tpl-editorial main { position: relative; }
.spine-rail { position: absolute; top: 0; height: 100%; width: 40px; pointer-events: none; z-index: 0; overflow: visible; }
.spine-rail path.glow, .spine-rail circle.glow { filter: drop-shadow(0 0 4px rgba(216,189,132,.55)); }
body.has-spine main .container { padding-left: calc(var(--s-5) + 56px); }
@media (max-width: 820px){
  .spine-rail { display: none; }
  body.has-spine main .container { padding-left: var(--s-5); }
}

/* ---------- RESPONSIVE TYPE ---------- */
@media (max-width: 600px){
  .layer { grid-template-columns: 44px 1fr; gap: var(--s-3); padding: var(--s-4); }
  section { padding: var(--s-6) 0; }
}