:root {
  --maroon: #6e0c12;
  --maroon-hover: #8c1017;
  --brass: #c2a36b;
  --brass-soft: #c2a36bb3;
  --brass-dim: #c2a36b40;
  --brass-faint: #c2a36b1f;
  --cream: #efe0d9;
  --ink: #1c0a0d;
  --ink-soft: #6b4a4e;

  --canvas-top: #6e0c12;
  --canvas-mid: #4a0d13;
  --canvas-bot: #250509;
  --plate: #f3e7e0;
  --plate-edge: #e0cfc6;
}

.era-page {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  color: var(--cream);
  background:
    radial-gradient(65% 55% at 72% 4%, #a8202a 0%, transparent 68%),
    linear-gradient(180deg, var(--canvas-top) 0%, var(--canvas-mid) 45%, var(--canvas-bot) 100%);
  background-color: var(--canvas-mid);
  line-height: 1.6;
  margin: 0;
  position: relative;
}
.era-page * { box-sizing: border-box; }
.era-page h1, .era-page h2, .era-page h3 {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-weight: 800;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0;
}
.era-page .eyebrow {
  font-family: Inter, system-ui, sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
}
.era-page a { color: inherit; }
.era-page a:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 1.75rem; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- header ---------- */
.era-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(110, 12, 18, 0.72);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--brass-dim);
}
.era-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 4.25rem; }
.era-wordmark {
  font-family: Inter, system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.32em;
  color: var(--cream);
  padding-left: 0.32em;
}
.btn-enter {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  background: transparent;
  color: var(--cream);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--brass-soft);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-enter:hover { border-color: var(--brass); color: var(--brass); }
.btn-enter.solid {
  background: var(--brass);
  color: var(--ink);
  border-color: var(--brass);
  box-shadow: inset 0 0 0 3px var(--canvas-bot), inset 0 0 0 4px var(--brass-soft);
}
.btn-enter.solid:hover { background: #d4b686; border-color: #d4b686; color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding-block: 6.5rem 6rem; position: relative; overflow: hidden; text-align: center; }
.hero-sunburst {
  position: absolute;
  inset: -20% 10% auto 10%;
  height: 150%;
  background: repeating-conic-gradient(
    from 0deg at 50% 18%,
    var(--brass-soft) 0deg 0.6deg,
    transparent 0.6deg 9deg
  );
  -webkit-mask-image: radial-gradient(closest-side at 50% 18%, #000 0%, transparent 70%);
  mask-image: radial-gradient(closest-side at 50% 18%, #000 0%, transparent 70%);
  opacity: 0.55;
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero-eyebrow { color: var(--brass); }
.hero h1 {
  font-size: clamp(2.7rem, 6vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.015em;
  margin-block: 1.1rem 1.5rem;
}
.hero p.lede { max-width: 52ch; margin-inline: auto; font-size: 1.08rem; color: var(--brass-soft); margin-bottom: 2.3rem; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* ---------- section shell ---------- */
.section { padding-block: 5rem; position: relative; }
.divider { border: none; border-top: 1px solid var(--brass-dim); margin: 0; position: relative; }
.divider::after {
  content: "◆";
  position: absolute; top: -0.5em; left: 50%; transform: translateX(-50%);
  color: var(--brass); background: var(--canvas-bot); padding-inline: 0.6rem;
  font-size: 0.55rem;
}
.section-head { max-width: 46ch; margin-bottom: 3rem; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.15rem); margin-top: 0.6rem; }
.section p { color: var(--brass-soft); }

/* ---------- plate cards ---------- */
.plate {
  background: var(--plate);
  color: var(--ink);
  border: 1px solid var(--plate-edge);
  box-shadow: 0 18px 40px -18px rgba(0,0,0,0.55);
}

/* ---------- what-is-era ---------- */
.whatis-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3.5rem; align-items: start; }
.whatis-grid p.body-copy { max-width: 58ch; color: var(--brass-soft); margin-bottom: 1rem; }
.whatis-grid p.body-copy:last-of-type { margin-bottom: 0; }
.stat-plate { padding: 1.9rem; position: relative; }
.stat-plate::before {
  content: ""; position: absolute; top: -8px; left: 50%; transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px; background: var(--brass);
}
.stat-row { display: flex; justify-content: space-between; align-items: baseline; padding-block: 0.6rem; }
.stat-row + .stat-row { border-top: 1px dashed var(--plate-edge); }
.stat-row .num { font-family: Inter, system-ui, sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--maroon); font-variant-numeric: tabular-nums; }
.stat-row .label { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }
@media (max-width: 800px) { .whatis-grid { grid-template-columns: 1fr; } }

/* ---------- workflow list ---------- */
.rail { position: relative; margin-top: 2rem; }
.rail::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 1.15rem; width: 1px; background: var(--brass-dim);
}
.stage { position: relative; padding-left: 3.6rem; padding-block: 1.15rem; }
.stage .n {
  position: absolute; left: 0; top: 1.15rem;
  font-family: Inter, system-ui, sans-serif; font-weight: 800; font-size: 1.05rem;
  color: var(--ink); background: var(--brass);
  width: 2.3rem; height: 2.3rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.stage h3 { font-family: Inter, sans-serif; font-weight: 700; font-size: 1rem; color: var(--cream); margin-bottom: 0.3rem; }
.stage p { font-size: 0.88rem; margin: 0; max-width: 50ch; }

/* ---------- roles ---------- */
.roles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.role-card { padding: 1.7rem; position: relative; }
.role-card::after {
  content: ""; position: absolute; top: 0.7rem; right: 0.7rem;
  width: 7px; height: 7px; border-right: 1px solid var(--brass); border-top: 1px solid var(--brass);
}
.role-card h3 { font-family: Inter, sans-serif; font-size: 1rem; font-weight: 700; color: var(--maroon); margin-bottom: 0.5rem; }
.role-card p { font-size: 0.86rem; color: var(--ink-soft); margin: 0; }
@media (max-width: 900px) { .roles-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .roles-grid { grid-template-columns: 1fr; } }

/* ---------- why ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.4rem 3rem; }
.why-item { display: flex; gap: 1rem; }
.why-item .mark { flex: none; width: 0.5rem; height: 0.5rem; background: var(--brass); transform: rotate(45deg); margin-top: 0.5rem; }
.why-item h3 { font-family: Inter, sans-serif; font-size: 1rem; font-weight: 700; color: var(--cream); margin-bottom: 0.35rem; }
.why-item p { font-size: 0.9rem; margin: 0; max-width: 42ch; }
@media (max-width: 700px) { .why-grid { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
.era-footer { padding-block: 3rem; border-top: 1px solid var(--brass-dim); }
.era-footer .wrap { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 1.5rem; }
.era-footer .foot-mark { font-family: Inter, system-ui, sans-serif; font-weight: 800; letter-spacing: 0.28em; margin-bottom: 0.4rem; }
.era-footer .foot-tag { font-size: 0.82rem; max-width: 32ch; color: var(--brass-soft); }
.era-footer .foot-links { display: flex; gap: 1.75rem; font-size: 0.82rem; flex-wrap: wrap; }
.era-footer .foot-links a { text-decoration: none; color: var(--brass-soft); }
.era-footer .foot-links a:hover { color: var(--brass); }
.era-footer .copyright { font-size: 0.76rem; margin-top: 2rem; color: var(--brass-dim); }