:root {
  --bg: #090B0F;
  --surface: #0F1319;
  --surface-2: #161B24;
  --border: #1E2530;
  --text: #E8E6DF;
  --text-muted: #7A8599;
  --accent: #D4952A;
  --accent-dim: #A67120;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Instrument Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
  padding: 28px 48px;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: baseline;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.wordmark {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.tagline-label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: 120px 48px 100px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-inner { max-width: 820px; }
.hero-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--serif);
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 20px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 48px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border);
  display: inline-block;
}

/* OPERATORS */
.operators {
  padding: 100px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.operators-inner { max-width: 1200px; margin: 0 auto; }
.operators-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.operators-headline {
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 600px;
  margin-bottom: 20px;
}
.operators-body {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 64px;
}
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}
.capability {
  background: var(--surface-2);
  padding: 36px 40px;
  border: 1px solid var(--border);
}
.cap-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.capability h3 {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 10px;
}
.capability p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* STACKS */
.stacks {
  padding: 100px 48px;
}
.stacks-inner { max-width: 1200px; margin: 0 auto; }
.stacks-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.stacks-headline {
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 520px;
  margin-bottom: 20px;
}
.stacks-body {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 48px;
}
.tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tool-tag {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  padding: 8px 16px;
  letter-spacing: 0.02em;
}

/* CLOSING */
.closing {
  padding: 120px 48px 100px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 1200px; margin: 0 auto; }
.closing-headline {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 80px;
}
.closing-rule {
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-bottom: 48px;
}
.closing-tagline {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.4;
  color: var(--text);
}

/* FOOTER */
.site-footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-wordmark {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--text-muted);
}
.footer-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .site-header { padding: 20px 24px; }
  .hero { padding: 80px 24px 64px; }
  .operators { padding: 72px 24px; }
  .stacks { padding: 72px 24px; }
  .closing { padding: 80px 24px 64px; }
  .site-footer { padding: 28px 24px; }
  .capability-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 8px; align-items: flex-start; }
  .hero-meta { flex-wrap: wrap; gap: 10px; }
}