/* ============================================================
   MOHAWK RESEARCH — house site (www.mohawkresearch.com)
   ------------------------------------------------------------
   House surfaces accent in Sage, per the brand system — Quorum
   and other named products accent in Gold instead. This file
   introduces no colour that isn't already in the palette.
   ============================================================ */

:root {
  --ink: #0a0a09;
  --panel: #141412;
  --bone: #f2f0ea;
  --muted: #8c8a82;
  --sage: #7c9c7a;
  --terra: #a05f5a;
  --gold: #d4b95a;
  --hair: #2b2a27;
  --font-display: 'Archivo', -apple-system, Segoe UI, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-display);
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--hair);
  background: linear-gradient(180deg, #0c0c0b, var(--ink));
}
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.brand-mark { display: block; }
.brand-word { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--bone);
}
.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.header-nav { display: flex; gap: 1.5rem; margin-left: auto; }
.header-nav a {
  text-decoration: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.header-nav a:hover { color: var(--bone); }

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.hero { padding: 5.5rem 0 4rem; max-width: 640px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
}
.hero-lead { font-size: 1.05rem; line-height: 1.7; color: var(--bone); margin: 0 0 1.25rem; }
.hero-note { font-size: 0.9rem; line-height: 1.65; color: var(--muted); margin: 0; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-bottom: 4.5rem;
}
.pillar {
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 6px;
  padding: 1.25rem 1.3rem 1.5rem;
}
.pillar-n {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--sage);
  margin: 0 0 0.6rem;
}
.pillar h3 { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; margin: 0 0 0.5rem; }
.pillar p { font-size: 0.86rem; line-height: 1.55; color: var(--muted); margin: 0; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
  margin: 0 0 0.75rem;
}

.subdivisions { padding-bottom: 4.5rem; border-top: 1px solid var(--hair); padding-top: 4rem; }
.subdivisions h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.9rem;
  max-width: 34rem;
}
.section-lead { font-size: 0.95rem; line-height: 1.6; color: var(--muted); max-width: 34rem; margin: 0 0 2rem; }

.sub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.sub-card {
  display: block;
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 1.5rem 1.6rem 1.7rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.sub-card-quorum { border-color: rgba(212, 185, 90, 0.35); }
.sub-card-quorum:hover { border-color: var(--gold); transform: translateY(-2px); }
.sub-card-head { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.sub-mark { flex: none; }
.sub-house {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.sub-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--bone);
  margin: 0;
}
.sub-tagline {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.85rem;
}
.sub-desc { font-size: 0.88rem; line-height: 1.55; color: var(--muted); margin: 0 0 1.1rem; }
.sub-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--bone);
}

.sub-card-reserved {
  border-style: dashed;
  border-color: var(--hair);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 0.4rem;
}
.sub-reserved-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.sub-reserved-note { font-size: 0.82rem; color: var(--muted); opacity: 0.8; margin: 0; }

.about-house { padding-bottom: 5rem; border-top: 1px solid var(--hair); padding-top: 4rem; }
.about-house h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  max-width: 32rem;
}
.about-house p { font-size: 0.92rem; line-height: 1.7; color: var(--muted); max-width: 42rem; margin: 0; }
.about-house strong { color: var(--bone); font-weight: 700; }

.site-footer {
  border-top: 1px solid var(--hair);
  padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
}
.footer-line {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 720px) {
  .pillars { grid-template-columns: 1fr; }
  .hero { padding: 3.5rem 0 3rem; }
  .subdivisions, .about-house { padding-top: 3rem; padding-bottom: 3rem; }
}