/* Orca — tokens */
:root {
  --bg: #070b09;
  --bg-raise: #0b110e;
  --line: rgba(232, 239, 236, 0.09);
  --line-strong: rgba(232, 239, 236, 0.16);
  --text: #e9f0ec;
  --muted: #8fa098;
  --faint: #5d6d65;
  --accent: #35e0a1;
  --accent-dim: rgba(53, 224, 161, 0.12);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --w: 1080px;
  --r: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: #06110c; }

a { color: inherit; }
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--w);
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 11, 9, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text);
}
.wordmark-mark { color: var(--accent); }
.site-nav {
  display: flex;
  gap: 24px;
  margin-left: 8px;
}
.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14.5px;
}
.site-nav a:hover { color: var(--text); }
.header-cta {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 14px;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 7px 14px;
}
.header-cta:hover { color: var(--text); border-color: var(--faint); }

/* ---------- hero ---------- */
.hero { padding: 128px 0 96px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 24px;
}
.lede {
  font-size: 19px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 72px; }

.btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  padding: 12px 22px;
}
.btn-primary { background: var(--accent); color: #06110c; }
.btn-primary:hover { background: #5ceab4; }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--faint); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat { padding: 24px 24px 24px 0; }
.stat + .stat { border-left: 1px solid var(--line); padding-left: 24px; }
.stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
}
.stat dd {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

/* ---------- sections ---------- */
.section { padding: 112px 0; border-top: 1px solid var(--line); }
.section h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  letter-spacing: -0.025em;
  line-height: 1.12;
  font-weight: 700;
  margin-bottom: 16px;
  max-width: 640px;
}
.section-sub {
  color: var(--muted);
  font-size: 18px;
  max-width: 620px;
  margin-bottom: 64px;
}

/* playbook stages */
.stages { list-style: none; }
.stage {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.stages li:last-child { border-bottom: 1px solid var(--line); }
.stage-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}
.stage h3 { font-size: 20px; letter-spacing: -0.01em; margin-bottom: 8px; }
.stage p { color: var(--muted); max-width: 640px; }

/* research steps */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.steps li { padding: 28px 24px; background: var(--bg-raise); }
.steps li + li { border-left: 1px solid var(--line); }
.steps h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 600;
}
.steps p { font-size: 15px; color: var(--muted); }

/* principles */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.principle { background: var(--bg); padding: 32px; }
.principle h3 { font-size: 18px; letter-spacing: -0.01em; margin-bottom: 8px; }
.principle p { color: var(--muted); font-size: 15.5px; }

/* status */
.status-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.status .section-sub { margin-bottom: 0; }
.status .eyebrow { margin-bottom: 16px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.site-footer p { font-size: 14px; color: var(--faint); }
.footer-note { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { border-left: none; border-top: 1px solid var(--line); }
  .steps li:nth-child(4) { border-top: 1px solid var(--line); }
  .principles { grid-template-columns: 1fr; }
  .status-inner { flex-direction: column; align-items: flex-start; }
  .site-nav { display: none; }
}
@media (max-width: 520px) {
  .hero { padding: 88px 0 64px; }
  .section { padding: 80px 0; }
  .steps { grid-template-columns: 1fr; }
  .steps li + li { border-left: none; border-top: 1px solid var(--line); }
  .stage { grid-template-columns: 48px 1fr; gap: 16px; }
}