/* ICONIA — shared page chrome (nav island, footer, section patterns).
   Consumes tokens.css. Pages add only their own composition. */

/* ── Nav island ── */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(1240px, calc(100% - 28px));
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  backdrop-filter: blur(var(--blur-xl));
  -webkit-backdrop-filter: blur(var(--blur-xl));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), var(--shadow-drop), var(--shadow-gold);
}
.nav-inner { padding: 0.85rem 1.6rem; display: flex; align-items: center; }
.nav-mark { font-size: 0.8rem; color: var(--ink); text-decoration: none; }
.nav-links { flex: 1; display: flex; justify-content: center; gap: var(--space-4); align-items: center; }
.nav-links a {
  font-size: 0.92rem; font-weight: 500; letter-spacing: 0.01em;
  color: #C9C8C1; text-decoration: none; transition: color var(--swap);
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-sheen); }
.nav-actions { display: flex; gap: var(--space-3); align-items: center; }

/* ── Product dropdown (bynd-style "what we do") ── */
.nav-item-dd { position: relative; display: flex; align-items: center; }
.nav-item-dd > a::after {
  content: '⌄'; font-size: 0.7em; margin-left: 0.35em; opacity: 0.6;
  position: relative; top: -0.15em;
}
.nav-dd-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 300px; padding: 0.5rem;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(var(--blur-xl)); -webkit-backdrop-filter: blur(var(--blur-xl));
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-drop), var(--shadow-gold);
  opacity: 0; visibility: hidden; transition: opacity var(--swap), transform var(--swap), visibility var(--swap);
  z-index: 60;
}
.nav-item-dd::after { /* hover bridge so the menu doesn't close in the gap */
  content: ''; position: absolute; top: 100%; left: 0; right: 0; height: 12px;
}
.nav-item-dd:hover .nav-dd-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-dd-menu a {
  display: block; padding: 0.7rem 0.9rem; border-radius: var(--radius);
  text-decoration: none; transition: background-color var(--swap);
}
.nav-dd-menu a:hover { background: rgba(201,169,97,0.06); }
.nav-dd-menu a b { display: block; color: var(--ink); font-weight: 600; font-size: var(--text-sm); margin-bottom: 0.1rem; }
.nav-dd-menu a:hover b { color: var(--gold-sheen); }
.nav-dd-menu a span { display: block; color: var(--ink-muted); font-size: 0.78rem; }

/* two-column mega variant (Beyond-style: columns + headers + captions) */
.nav-dd-menu.nav-mega {
  min-width: 600px; max-width: calc(100vw - 40px);
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; padding: 0.7rem;
}
.nav-dd-menu.nav-mega a span { line-height: 1.5; }
.dd-col { display: flex; flex-direction: column; }
.dd-col-h {
  font-family: var(--font-mono); font-size: 0.58rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold);
  padding: 0.5rem 0.9rem 0.55rem; margin-bottom: 0.15rem;
  border-bottom: 1px solid var(--glass-border);
}
.nav-actions .signin { font-size: 0.92rem; font-weight: 500; color: #C9C8C1; }
.nav .btn { padding: 0.55rem 1.3rem; }

/* ── Mobile nav: hamburger + slide-in drawer (built by site.js) ── */
.nav-burger { display: none; }
.nav-drawer { display: none; }
@media (max-width: 900px) {
  /* declutter the bar to just [ICONIA ........ ☰].
     .nav-scoped selectors so pages with inline nav styles can't re-show these. */
  .nav .nav-links, .nav .nav-actions { display: none !important; }
  .nav .nav-burger {
    display: inline-flex; flex-direction: column; justify-content: center; align-items: center;
    gap: 5px; margin-left: auto; width: 42px; height: 42px; padding: 0;
    background: transparent; border: 1px solid var(--glass-border);
    border-radius: var(--radius); cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .nav-burger span {
    width: 19px; height: 2px; border-radius: 2px; background: var(--ink);
    transition: transform var(--swap), opacity var(--swap);
  }
  .nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-burger.open span:nth-child(2) { opacity: 0; }
  .nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-drawer {
    display: block; position: fixed; z-index: 49;
    top: 70px; left: 50%; transform: translateX(-50%) translateY(-10px);
    width: min(1240px, calc(100% - 28px));
    max-height: calc(100dvh - 88px); overflow-y: auto;
    padding: var(--space-2);
    background: color-mix(in srgb, var(--surface) 96%, transparent);
    backdrop-filter: blur(var(--blur-xl)); -webkit-backdrop-filter: blur(var(--blur-xl));
    border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-drop), var(--shadow-gold);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity var(--swap), transform var(--swap), visibility var(--swap);
  }
  .nav-drawer.open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
  .nav-drawer > a {
    display: block; padding: 0.85rem 1rem; border-radius: var(--radius);
    color: var(--ink); text-decoration: none; font-size: 1rem; font-weight: 500;
    transition: background-color var(--swap), color var(--swap);
  }
  .nav-drawer > a:hover, .nav-drawer > a:active { background: rgba(201,169,97,0.06); color: var(--gold-sheen); }
  .nav-drawer > a.drawer-sub { padding: 0.6rem 1rem 0.6rem 1.7rem; font-size: 0.9rem; font-weight: 400; color: var(--ink-muted); }
  .nav-drawer > a.drawer-sub:hover { color: var(--gold-sheen); }
  .drawer-actions { display: grid; gap: var(--space-2); margin-top: var(--space-2); padding-top: var(--space-3); border-top: 1px solid var(--hairline); }
  .drawer-actions .btn { width: 100%; text-align: center; }
  .drawer-actions .drawer-signin { display: block; text-align: center; padding: 0.7rem 1rem; color: var(--ink); text-decoration: none; font-size: 0.95rem; border: 1px solid var(--glass-border); border-radius: var(--radius); }
}

/* ── Page head (sub-page pattern: eyebrow + statement, no hero) ── */
.page-head { padding-top: 10rem; padding-bottom: var(--space-5); }
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 380;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  font-size: clamp(2.6rem, 5.4vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin-top: var(--space-2);
}
.page-head p { color: var(--ink-muted); max-width: 52ch; margin-top: var(--space-3); }

section { padding: var(--space-6) 0; position: relative; }

.section-head { margin-bottom: var(--space-5); max-width: 30ch; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 380;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-top: var(--space-2);
}

/* ── Serif voice inside cards ── */
.card h3, .marble-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-variation-settings: "opsz" 60, "SOFT" 0, "WONK" 0;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
  margin: var(--space-2) 0 var(--space-2);
}
.card p { color: var(--ink-muted); font-size: var(--text-sm); }
.marble-card p { color: var(--marble-muted); font-size: var(--text-sm); }

/* ── Instrument numerals (plaques) ── */
.number-cell .value {
  font-family: var(--font-body); font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.2rem, 3vw, 2.9rem);
  letter-spacing: -0.02em; line-height: 1;
  display: block; margin-bottom: 0.9rem; color: var(--marble-ink);
}
.number-cell .value .gold {
  font-family: var(--font-mono); font-size: 0.42em; font-weight: 500;
  letter-spacing: 0.12em; color: var(--gold-deep);
  margin-left: 0.15em; vertical-align: 0.12em;
}
.number-cell .label {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.13em; text-transform: uppercase; line-height: 1.7; display: block;
}
/* dark edition */
.card .value { color: var(--ink); }
.card .value .gold { color: var(--gold); }

/* ── Code panes ── */
.codeblock {
  background: rgba(16,16,19,0.92);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.82rem; line-height: 1.9; color: var(--ink);
  overflow-x: auto; position: relative;
  box-shadow: 0 30px 80px rgba(23,20,14,0.22), inset 0 1px 0 rgba(255,255,255,0.07);
}
.codeblock::before {
  content: ''; position: absolute; top: -1px; left: 10%; right: 10%; height: 1px;
  background: var(--vein-lit);
}
.codeblock .c { color: var(--ink-faint); }
.codeblock .g { color: var(--gold-sheen); }

/* ── Header chips (response metadata) ── */
.hchip {
  font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.75rem; border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  color: var(--ink-muted);
  display: inline-block;
}
.hchip b { color: var(--gold); font-weight: 500; }

/* ── CTA band ── */
.cta-band {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  left: 50%; top: 58%;
  transform: translate(-50%, -50%);
  width: 1000px; height: 1000px;
  border-radius: 50%;
  box-shadow: inset 0 0 90px rgba(232,181,74,0.10), 0 0 130px rgba(232,181,74,0.07);
  border: 1px solid rgba(201,169,97,0.15);
  pointer-events: none;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 380;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  font-size: clamp(2.6rem, 5.4vw, 5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

/* ── Footer (legacy single-row — kept for pages not yet upgraded) ── */
footer { padding: var(--space-5) 0; border-top: 1px solid var(--hairline); }
.foot-inner {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  justify-content: space-between; align-items: baseline;
}
.foot-links { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.foot-links a { font-size: var(--text-sm); color: var(--ink-muted); text-decoration: none; transition: color var(--swap); }
.foot-links a:hover { color: var(--gold-sheen); }
.foot-legal { color: var(--ink-faint); font-size: var(--text-xs); }

/* ── Rich footer (Beyond-style multi-column trust surface) ── */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: var(--space-6) 0 var(--space-4);
  position: relative;
}
.site-footer::before {
  content: ''; position: absolute; top: -1px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,97,0.35) 50%, transparent);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; gap: var(--space-4); } }
@media (max-width: 520px) { .footer-top { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

.footer-brand .mark { font-size: 0.9rem; }
.footer-brand p {
  color: var(--ink-muted); font-size: var(--text-sm);
  max-width: 32ch; margin-top: var(--space-2); line-height: 1.6;
}
.footer-status {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: var(--space-3);
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-faint);
}
.footer-status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 8px rgba(232,181,74,0.7); }

.footer-col h4 {
  font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: var(--space-2); font-weight: 500;
}
.footer-col a {
  display: block; font-size: var(--text-sm); color: var(--ink-muted);
  text-decoration: none; padding: 0.32rem 0; transition: color var(--swap);
}
.footer-col a:hover { color: var(--gold-sheen); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  justify-content: space-between; align-items: center;
  padding-top: var(--space-4); border-top: 1px solid var(--hairline);
}
.footer-legal { color: var(--ink-faint); font-size: var(--text-xs); }
.footer-social { display: flex; gap: var(--space-2); }
.footer-social a {
  width: 34px; height: 34px; border-radius: var(--radius);
  border: 1px solid var(--hairline);
  display: grid; place-items: center;
  color: var(--ink-muted); text-decoration: none;
  transition: color var(--swap), border-color var(--swap), background-color var(--swap);
}
.footer-social a:hover { color: var(--gold-sheen); border-color: var(--gold-deep); background: rgba(201,169,97,0.05); }
.footer-social svg { width: 15px; height: 15px; }

/* ── Two-column feature strip ── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-3); }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--space-3); }

.numbers { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-2); }

/* ── Measurement group (proof) ── */
.mgroup { margin-bottom: var(--space-4); }
.mgroup-label {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold-deep);
  padding-bottom: 0.6rem; margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--marble-line);
  width: 100%;
}
.marble-section .mgroup-label { color: var(--gold-deep); }

/* ── Numbered layer list (security "the gate") ── */
.layers { display: grid; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); border-radius: var(--radius-lg); overflow: hidden; }
.layer {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--surface);
  transition: background-color var(--swap);
}
.layer:hover { background: var(--raised); }
.layer-num {
  font-family: var(--font-mono); font-size: 0.8rem;
  letter-spacing: 0.1em; color: var(--gold);
  padding-top: 0.35rem;
}
.layer h3 {
  font-family: var(--font-display); font-weight: 400;
  font-variation-settings: "opsz" 60, "SOFT" 0, "WONK" 0;
  font-size: var(--text-lg); letter-spacing: -0.01em; margin-bottom: 0.35rem;
}
.layer p { color: var(--ink-muted); font-size: var(--text-sm); max-width: 60ch; }

/* ── Feature row (alternating deep-dive) ── */
.feature-row { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--space-5); align-items: center; margin-bottom: var(--space-6); }
.feature-row:last-child { margin-bottom: 0; }
.feature-row.flip .feature-visual { order: -1; }
@media (max-width: 860px) { .feature-row, .feature-row.flip { grid-template-columns: 1fr; } .feature-row.flip .feature-visual { order: 0; } }
.feature-row h3 {
  font-family: var(--font-display); font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  font-size: clamp(1.7rem, 2.6vw, 2.3rem); letter-spacing: -0.015em; line-height: 1.14;
  margin: var(--space-2) 0 var(--space-2);
}
.feature-row p { color: var(--ink-muted); max-width: 46ch; }
.feature-visual {
  min-height: 220px; border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: linear-gradient(180deg, var(--raised) 0%, var(--surface) 100%);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  box-shadow: var(--shadow-drop), var(--shadow-gold);
}
.feature-visual::before {
  content: ''; position: absolute; top: 0; left: 12%; right: 12%; height: 1px;
  background: var(--vein-lit);
}

/* ── Principle marquee (fail-closed) ── */
.principle {
  text-align: center; max-width: 30ch; margin: 0 auto;
  padding: var(--space-6) 0;
}
.principle blockquote {
  font-family: var(--font-display); font-weight: 380;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
  font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.1; letter-spacing: -0.02em;
}
.principle blockquote em { font-style: italic; color: var(--gold-sheen); }
.principle cite { display: block; margin-top: var(--space-3); font-style: normal;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-muted); }

/* ── Terminal exchange pane (shared with proof) ── */
.exchange { padding: 0; overflow: hidden; }
.exchange-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--glass-border);
}
.exchange-title {
  font-family: var(--font-display); font-weight: 400;
  font-variation-settings: "opsz" 60, "SOFT" 0, "WONK" 0;
  font-size: var(--text-lg);
}
.verdict {
  font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.3rem 0.8rem; border-radius: var(--radius-pill);
  border: 1px solid rgba(201,169,97,0.35); color: var(--gold-sheen);
  white-space: nowrap;
}
.verdict.block { border-color: rgba(227,82,106,0.4); color: #E3849A; }
.exchange-body { padding: var(--space-3); }
.line { font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.8; }
.line .p { color: var(--ink-faint); user-select: none; }
.line.req { color: var(--ink); margin-bottom: var(--space-2); }
.line.res { color: var(--ink-muted); white-space: pre-wrap; }
.line.res .hit { color: var(--gold-sheen); }
.line.res .warn { color: #E3849A; }
.headers { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--space-3); padding-top: var(--space-2); border-top: 1px solid var(--hairline); }

/* ── Global mobile rhythm: tighter gutters + vertical spacing on phones ── */
@media (max-width: 640px) {
  .wrap { padding: 0 1.25rem; }
  section { padding: var(--space-5) 0; }
  .page-head { padding-top: 7.5rem; }
  .cta-band { padding: var(--space-6) var(--space-3); }
  /* keep long code/monospace lines inside their pane, not the page */
  .codeblock { font-size: 0.76rem; padding: var(--space-3); }
  .line { font-size: 0.76rem; }
  /* verdict chips and header rows wrap instead of pushing width */
  .exchange-head { flex-wrap: wrap; gap: 0.5rem; }
  /* wide tables scroll inside their own box, never the page */
  table { display: block; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}