:root {
  --bg: #0d1117;
  --bg-alt: #11161d;
  --panel: #151c25;
  --line: #232c38;
  --text: #d6dee8;
  --muted: #8b98a8;
  --accent: #6ea8fe;
  --accent-dim: #2f4f7f;
  --radius: 14px;
  --wrap: 1040px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--muted); }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 17, 23, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: .2px;
}
.brand:hover { text-decoration: none; }

.brand-mark { width: 28px; height: 28px; color: var(--accent); }
.brand-name { font-size: 18px; }

.site-nav {
  display: flex;
  gap: 26px;
  font-size: 15px;
}
.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--text); text-decoration: none; }

/* hero */
.hero { padding: 88px 0 72px; }

.eyebrow {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 650;
}

.lede {
  margin: 0 0 32px;
  max-width: 62ch;
  font-size: 18px;
  color: var(--muted);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 550;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: var(--accent); color: #08101c; }
.btn-primary:hover { background: #86b7ff; }

.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-dim); }

.status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 40px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3fb950;
  box-shadow: 0 0 0 3px rgba(63, 185, 80, .14);
}

/* sections */
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--bg-alt); }

.section h2 {
  margin: 0 0 34px;
  font-size: 26px;
  letter-spacing: -.01em;
  font-weight: 620;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
}

.card p { margin: 0; color: var(--muted); font-size: 15.5px; }

.split {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: start;
}

.split p { margin: 0 0 18px; color: var(--muted); }

.facts { margin: 0; }
.facts > div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.facts > div:first-child { border-top: 1px solid var(--line); }
.facts dt { color: var(--muted); font-size: 15px; }
.facts dd { margin: 0; font-size: 15px; font-variant-numeric: tabular-nums; }

/* contact */
.contact { max-width: 640px; }
.contact p { margin: 0 0 14px; color: var(--muted); }
.mail { font-size: 20px; }
.mail a { color: var(--text); border-bottom: 1px solid var(--accent-dim); }
.mail a:hover { color: var(--accent); text-decoration: none; }

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 44px;
  font-size: 14px;
}
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.site-footer p { margin: 0; color: var(--muted); }

@media (max-width: 780px) {
  .hero { padding: 60px 0 52px; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .site-nav { display: none; }
  .section { padding: 56px 0; }
}