/* M87 Labs — shared styles. No external requests. */
@font-face {
  font-family: "Manrope";
  src: url("/fonts/manrope-latin-var.woff") format("woff");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #0F1115;       /* Event Horizon */
  --violet: #6D4AFF;    /* Orbit Violet */
  --violet-tint: #8B72FF; /* Accretion Tint */
  --gray-bg: #F4F5F8;   /* Nebula Gray */
  --slate: #6B7280;     /* Slate */
  --white: #FFFFFF;
  /* Dark theme surfaces */
  --bg: #0F1115;         /* page background (Event Horizon) */
  --surface: #161922;    /* alternate sections */
  --surface-2: #1C2030;  /* cards */
  --border: #262B3A;     /* subtle borders */
  --text: #F4F5F8;       /* main text: 17.3:1 on --bg */
  --text-body: #D5D8E0;  /* long-form prose: 13.3:1 on --bg */
  --text-muted: #A1A7B3; /* secondary text: 7.8:1 on --bg, 6.7:1 on --surface-2 */
  --link: #8B72FF;       /* links & highlights: 5.35:1 on --bg */
  --radius: 14px;
  --max: 68rem;
  --text-max: 42rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { color-scheme: dark; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Manrope", Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; }

a { color: var(--link); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--text); color: var(--bg);
  padding: 0.5rem 0.9rem; border-radius: 8px; z-index: 10;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); background: var(--bg); }
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 4.25rem; gap: 1rem;
}
.wordmark {
  font-weight: 700; font-size: 1.25rem; letter-spacing: -0.01em;
  color: var(--text); text-decoration: none;
}
.wordmark span { color: var(--link); }
.nav { display: flex; gap: 1.5rem; }
.nav a { color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.975rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--link); }

/* Hero */
.hero { padding: 6.5rem 0 5.5rem; }
.eyebrow {
  display: inline-block; margin: 0 0 1.25rem;
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--link);
}
.hero h1 {
  margin: 0; max-width: 18ch;
  font-size: clamp(2.4rem, 6vw, 4.25rem); line-height: 1.07;
  font-weight: 700; letter-spacing: -0.03em;
}
.hero h1 .accent { color: var(--link); }
.lede { margin: 1.5rem 0 2.25rem; max-width: 36rem; font-size: 1.2rem; color: var(--text-muted); }

.button {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.4rem; border-radius: 999px;
  background: var(--violet); color: var(--white);
  font-weight: 600; text-decoration: none;
  transition: background-color 0.15s ease;
}
.button:hover { background: #5A38F0; }

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 {
  margin: 0 0 0.75rem; font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.2;
}
.section-intro { margin: 0 0 2.5rem; color: var(--text-muted); max-width: 36rem; }

.card {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; max-width: 30rem;
}
.badge {
  display: inline-block; padding: 0.3rem 0.75rem; border-radius: 999px;
  background: #251F44; color: #B3A3FF; /* 7.1:1 */
  font-size: 0.8125rem; font-weight: 600; margin-bottom: 1rem;
}
.card h3 { margin: 0 0 0.4rem; font-size: 1.25rem; font-weight: 700; }
.card p { margin: 0; color: var(--text-muted); }

.contact p { margin: 0; }
.contact .email { font-size: 1.35rem; font-weight: 600; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; font-size: 0.95rem; color: var(--text-muted); }
.site-footer .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.site-footer p { margin: 0; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.5rem; }
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--link); }

/* Legal / prose pages */
.prose { max-width: var(--text-max); padding: 4rem 0 5rem; }
.prose h1 { font-size: clamp(2rem, 5vw, 2.75rem); line-height: 1.15; letter-spacing: -0.025em; margin: 0 0 0.5rem; }
.prose .meta { color: var(--text-muted); margin: 0 0 2.5rem; }
.prose h2 { font-size: 1.35rem; letter-spacing: -0.01em; margin: 2.5rem 0 0.6rem; line-height: 1.3; }
.prose p, .prose li { color: var(--text-body); line-height: 1.75; }
.prose h1, .prose h2 { color: var(--text); }
.prose a { color: var(--link); }
.prose p + p { margin-top: 1rem; }
.prose ul { padding-left: 1.25rem; }
.prose li { margin: 0.35rem 0; }

@media (max-width: 40rem) {
  body { font-size: 1rem; }
  .hero { padding: 4rem 0 3.5rem; }
  .lede { font-size: 1.075rem; }
  .section { padding: 3.5rem 0; }
  .card { padding: 1.5rem; }
  .nav { gap: 1rem; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}