/* Brad-Core OS — public site
   Deterministic, sealed, firelight on black.
   Built for GitHub Pages: relative links only. */

@import url("https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600&family=Barlow+Condensed:wght@500;600;700&display=swap");

:root {
  --bg: #050506;
  --bg-2: #0b0c0e;
  --line: #23262d;
  --text: #f3f1ec;
  --muted: #8b8d93;
  --dim: #5c5e66;
  --ember: #e85d04;
  --ember-2: #ff7a1a;
  --ember-dim: rgba(232, 93, 4, 0.16);
  --max: 1080px;
  --nav-h: 72px;
  --sans: "Barlow", system-ui, sans-serif;
  --cond: "Barlow Condensed", "Arial Narrow", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 1.05rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: var(--ember-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 6, 0.92);
  backdrop-filter: blur(12px);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  font-family: var(--cond);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.logo:hover { text-decoration: none; color: var(--text); }
.logo span { color: var(--ember); }

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.15rem 1.15rem;
}
.primary-nav a {
  font-family: var(--cond);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.primary-nav a:hover,
.primary-nav a.active { color: var(--text); text-decoration: none; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--cond);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-visual {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 70% 40%, rgba(232, 93, 4, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(232, 93, 4, 0.08), transparent 50%),
    var(--bg);
}
.rings {
  position: absolute;
  width: min(720px, 90vw);
  height: min(720px, 90vw);
  right: -8%;
  top: 50%;
  transform: translateY(-52%);
  border-radius: 50%;
  border: 1px solid rgba(232, 93, 4, 0.28);
  box-shadow:
    0 0 0 48px rgba(232, 93, 4, 0.04),
    0 0 0 120px rgba(255, 255, 255, 0.015),
    inset 0 0 80px rgba(232, 93, 4, 0.08);
}
.rings::before,
.rings::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  border: 1px solid rgba(243, 241, 236, 0.12);
}
.rings::after {
  inset: 34%;
  border-color: rgba(232, 93, 4, 0.45);
  background: radial-gradient(circle at 50% 50%, rgba(232, 93, 4, 0.35), transparent 58%);
}
.hero-copy {
  position: relative;
  z-index: 1;
  padding: 5rem 0 4.5rem;
}
.kicker {
  font-family: var(--cond);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ember);
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: var(--cond);
  font-weight: 700;
  font-size: clamp(3.6rem, 11vw, 8rem);
  line-height: 0.88;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.hero .lede {
  margin-top: 1.4rem;
  max-width: 36rem;
  font-size: 1.2rem;
  color: #c9c6bf;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--cond);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--ember);
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-solid { background: var(--ember); color: #140800; }
.btn-solid:hover { background: var(--ember-2); color: #140800; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--text); color: var(--text); }

main { flex: 1; }

.page-hero {
  padding: 4.2rem 0 2.4rem;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-family: var(--cond);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 0.95;
}
.page-hero p {
  margin-top: 1rem;
  max-width: 38rem;
  color: var(--muted);
}

section {
  padding: 3.4rem 0;
  border-bottom: 1px solid var(--line);
}
section h2 {
  font-family: var(--cond);
  font-size: 1.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
section p + p { margin-top: 0.9rem; }

.claim {
  font-size: 1.45rem;
  line-height: 1.35;
  max-width: 40rem;
}

.grid-3, .grid-2 {
  display: grid;
  gap: 1.1rem;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 1.35rem 1.3rem 1.45rem;
}
.card h3 {
  font-family: var(--cond);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 1.05rem;
  margin-bottom: 0.55rem;
}
.card p { color: var(--muted); font-size: 0.98rem; }
.card .stat {
  font-family: var(--cond);
  font-size: 2.2rem;
  color: var(--ember-2);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 0.45rem;
}

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}
th, td {
  text-align: left;
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-family: var(--cond);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--dim);
  font-weight: 600;
}
td:last-child { color: var(--ember-2); font-weight: 600; }

.note {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--ember);
  background: var(--ember-dim);
  color: #ddd8d0;
  font-size: 0.98rem;
}

.ladder {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.ladder span {
  font-family: var(--cond);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.82rem;
  border: 1px solid var(--line);
  padding: 0.4rem 0.65rem;
  color: var(--muted);
}
.ladder span.hot {
  border-color: var(--ember);
  color: var(--ember-2);
}

.site-footer {
  padding: 2.2rem 0 2.6rem;
  color: var(--dim);
  font-size: 0.88rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-nav { display: flex; gap: 1.1rem; }
.footer-nav a { color: var(--dim); }
.footer-nav a:hover { color: var(--text); }

@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #0b0c0e;
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.2rem;
    flex-direction: column;
    gap: 0.75rem;
  }
  .primary-nav.open { display: flex; }
  .hero { align-items: center; }
  .rings { opacity: 0.55; right: -28%; }
}