:root {
  --bg: #110d0c;
  --bg-alt: #1d1210;
  --bg-panel: rgba(38, 17, 13, 0.94);
  --bg-panel-strong: rgba(49, 20, 15, 0.96);
  --bg-panel-soft: rgba(29, 18, 16, 0.9);
  --line: rgba(217, 176, 76, 0.48);
  --line-strong: rgba(217, 176, 76, 0.72);
  --text: #f4e1a7;
  --muted: rgba(244, 225, 167, 0.76);
  --red: #b32116;
  --red-bright: #e13a1f;
  --gold: #d9b04c;
  --olive: #5e6b3b;
  --black: #111111;
  --warning: #ffcab9;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(244, 225, 167, 0.18), transparent 22%),
    radial-gradient(circle at 80% 20%, rgba(225, 58, 31, 0.08), transparent 24%),
    linear-gradient(180deg, #1a1210 0%, #0d0908 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255,255,255,0.025), rgba(255,255,255,0.025)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
}

a { color: inherit; }
img { display: block; max-width: 100%; }

.demo-banner,
.system-ribbon {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 700;
}

.demo-banner {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: 11px 14px;
  background: #f4e1a7;
  color: #111111;
}

.demo-banner a { text-decoration: none; border-bottom: 1px solid currentColor; }

.system-ribbon {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 10px 16px;
  background: rgba(17, 17, 17, 0.94);
  color: var(--gold);
  border-bottom: 1px solid var(--line);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 39px;
  z-index: 40;
  background: rgba(16, 12, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid var(--gold);
}

.brand strong,
h1, h2, h3 {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 0.95;
}

.brand strong { display: block; font-size: 1.35rem; }
.brand span {
  display: block;
  margin-top: 4px;
  color: var(--gold);
  font-family: "Courier New", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.site-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 8px 10px;
  border: 1px solid transparent;
}
.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--text);
  border-color: rgba(217, 176, 76, 0.16);
  background: rgba(217, 176, 76, 0.04);
}

.hero,
.panel,
.band,
.card,
.stat,
.quote,
.log-entry,
.access-box,
.ranking-board,
.email-board,
.sbtc-band {
  border: 2px solid var(--line);
  background:
    linear-gradient(180deg, rgba(225,58,31,0.08), transparent 42%),
    var(--bg-panel);
  box-shadow: 0 0 0 2px var(--black);
}

.hero {
  position: relative;
  overflow: hidden;
  margin: 24px 0 36px;
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.28), rgba(17, 17, 17, 0.02)),
    radial-gradient(circle at center, rgba(244, 225, 167, 0.14), transparent 44%),
    repeating-conic-gradient(from 12deg, rgba(225, 58, 31, 0.16) 0deg 10deg, rgba(179, 33, 22, 0.015) 10deg 20deg),
    linear-gradient(180deg, rgba(225,58,31,0.12), transparent 45%),
    var(--bg-alt);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(244, 225, 167, 0.14);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 176, 76, 0.14), transparent 68%);
  pointer-events: none;
}

.hero-inner,
.split-grid,
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 20px;
}

.hero-inner {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  padding: 52px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.eyebrow,
.label,
.micro {
  margin: 0 0 14px;
  color: var(--gold);
  font-family: "Courier New", monospace;
  text-transform: uppercase;
}

.eyebrow {
  font-size: 0.76rem;
  letter-spacing: 0.26em;
}

.label,
.micro {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
}

h1 { font-size: clamp(3.3rem, 8.6vw, 6.3rem); max-width: 11ch; margin: 0; }
h2 { font-size: clamp(2.2rem, 6vw, 4.2rem); margin: 0; }
h3 { font-size: 1.9rem; margin: 0; }

p, li {
  color: var(--muted);
  line-height: 1.74;
  font-size: 1rem;
}

.hero p { max-width: 48rem; }

.actions,
.sbtc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-actions {
  align-items: stretch;
}

.hero-actions .btn:first-child {
  min-width: 220px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 14px 22px;
  border: 2px solid var(--black);
  background: var(--gold);
  color: var(--black);
  text-decoration: none;
  font-family: "Arial Narrow", Arial, sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  box-shadow: 0 10px 0 var(--black);
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.secondary {
  border-color: var(--text);
  background: transparent;
  color: var(--text);
  box-shadow: none;
}

.panel,
.card,
.stat,
.quote,
.log-entry,
.access-box,
.ranking-board,
.email-board {
  padding: 24px;
}

.section {
  padding: 34px 0 10px;
}

.visual-card {
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(225,58,31,0.1), transparent 38%),
    var(--bg-panel-strong);
}

.visual-card img {
  width: 100%;
  border-bottom: 1px solid var(--line);
  background: #1a120f;
}

.visual-card .panel-copy {
  padding: 18px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.hero-metric {
  padding: 14px 16px;
  border: 1px solid rgba(217, 176, 76, 0.24);
  background: rgba(17, 17, 17, 0.34);
}

.hero-metric strong {
  display: block;
  color: var(--text);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-metric span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-family: "Courier New", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-side-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.hero-side-card {
  padding: 14px 16px;
  border: 1px solid rgba(217, 176, 76, 0.22);
  background: rgba(17, 17, 17, 0.3);
}

.feature-ribbon {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-ribbon .panel {
  background:
    linear-gradient(180deg, rgba(225,58,31,0.14), transparent 34%),
    var(--bg-panel-soft);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.image-grid.image-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.section-head {
  max-width: 820px;
  margin-bottom: 22px;
}

.badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 7px 10px;
  border: 1px solid var(--gold);
  background: var(--black);
  color: var(--gold);
  font-family: "Courier New", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.subline {
  margin-top: 8px;
  color: rgba(244,225,167,0.62);
  font-family: "Courier New", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.poster-box img {
  border: 4px solid var(--gold);
  background: #220f0b;
  padding: 12px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}

.list {
  margin: 14px 0 0;
  padding-left: 18px;
}

.mutate {
  transition: opacity 180ms ease;
}

.hidden-clue {
  border-bottom: 1px dotted rgba(244,225,167,0.45);
  cursor: help;
}

.log-list,
.email-list {
  display: grid;
  gap: 16px;
}

.log-entry pre,
.email-item pre {
  margin: 0;
  white-space: pre-wrap;
  color: var(--muted);
  font-family: "Courier New", monospace;
  line-height: 1.7;
  font-size: 0.85rem;
}

.status {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--gold);
  background: rgba(17,17,17,0.6);
  color: var(--gold);
  font-family: "Courier New", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.status.warning { color: var(--warning); border-color: rgba(255,202,185,0.55); }

form { display: grid; gap: 16px; }

label {
  display: grid;
  gap: 8px;
  font-family: "Courier New", monospace;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
}

input, textarea, select {
  width: 100%;
  border: 1px solid rgba(217, 176, 76, 0.55);
  background: rgba(0, 0, 0, 0.24);
  padding: 0.95rem 1rem;
  color: var(--text);
}

textarea { min-height: 130px; resize: vertical; }

.notice,
.portal-response,
.form-response {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid rgba(217, 176, 76, 0.38);
  background: rgba(0, 0, 0, 0.28);
  color: var(--muted);
}

.notice strong,
.portal-response strong,
.form-response strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  text-transform: uppercase;
}

.leader-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid rgba(217, 176, 76, 0.18);
}

.phase-4 .mutate,
body[data-phase-target="deep"] .mutate { color: var(--warning); }

.sbtc-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 28px 0 14px;
  padding: 10px 14px;
  background:
    linear-gradient(90deg, rgba(179, 33, 22, 0.18), rgba(179, 33, 22, 0.04)),
    var(--bg-panel-soft);
}

.sbtc-inline {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.45;
  color: rgba(244,225,167,0.72);
  text-transform: uppercase;
  letter-spacing: 0.11em;
}

.sbtc-inline a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(217,176,76,0.35);
}

.sbtc-actions { align-items: center; justify-content: flex-end; margin-top: 0; }
.sbtc-actions .btn {
  min-width: 0;
  padding: 10px 14px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  box-shadow: 0 5px 0 var(--black);
}

.site-footer {
  padding: 0 0 40px;
  color: rgba(244,225,167,0.68);
  font-size: 0.76rem;
}

@media (max-width: 980px) {
  .system-ribbon,
  .site-header-inner,
  .site-nav,
  .hero-inner,
  .split-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .sbtc-band,
  .leader-row {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .site-nav {
    display: grid;
    gap: 10px;
  }

  .hero-inner { padding: 28px; }

  .hero-metrics,
  .feature-ribbon,
  .image-grid,
  .image-grid.image-grid-4 {
    grid-template-columns: 1fr;
  }

  .sbtc-band {
    align-items: flex-start;
  }
}