:root {
  --ink: #0B1220;
  --slate: #334155;
  --mute: #64748B;
  --line: #E2E8F0;
  --line-soft: #EEF2F7;
  --surface: #F8FAFC;
  --paper: #FFFFFF;
  --signal: #059669;
  --signal-deep: #047857;
  --signal-soft: #D1FAE5;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1120px;
  --radius: 6px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--slate);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--signal-deep); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip:focus {
  left: 16px;
  top: 16px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
  z-index: 100;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.brand-mark rect {
  fill: var(--ink);
}
.brand-mark rect:last-child {
  fill: var(--signal);
}
.brand-word {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 17px;
}
.nav {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
}
.nav a { color: var(--slate); }
.nav a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(circle at 1px 1px, rgba(11, 18, 32, 0.06) 1px, transparent 0) 0 0 / 24px 24px,
    var(--paper);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, var(--paper) 100%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 880px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--signal-deep);
  margin-bottom: 20px;
  letter-spacing: 0;
}
.hero-title {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 24px;
}
.hero-lede {
  font-size: 18px;
  line-height: 1.65;
  color: var(--slate);
  max-width: 680px;
  margin: 0 0 36px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover {
  background: #1B2540;
  color: var(--paper);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--ink);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.stat {
  padding: 4px 20px 4px 0;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--mute);
  margin-bottom: 4px;
}
.stat dd {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  margin: 0;
}

/* ---------- Sections ---------- */
.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
}
.section-alt { background: var(--surface); }
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section h2 {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 16px;
}
.section-lede {
  font-size: 17px;
  color: var(--slate);
  margin: 0;
}

/* ---------- Cards ---------- */
.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: border-color 150ms ease, transform 150ms ease;
}
.card:hover {
  border-color: var(--ink);
}
.card-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal-deep);
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}
.card h3 {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.card p {
  margin: 0 0 20px;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.6;
  flex: 1;
}
.status {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--signal-deep);
  background: var(--signal-soft);
  border: 1px solid #A7F3D0;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.about-body p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--slate);
  margin: 0 0 20px;
}
.about-body p:last-child { margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.contact-inner .eyebrow { display: inline-block; }
.contact-lede {
  font-size: 17px;
  color: var(--slate);
  margin: 0 0 32px;
}
.contact-email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 500;
  color: var(--ink);
  border-bottom: 2px solid var(--signal);
  padding-bottom: 4px;
  margin-bottom: 32px;
}
.contact-email:hover {
  color: var(--signal-deep);
}
.contact-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mute);
  margin: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 32px 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mute);
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 500;
}
.footer-meta .sep { margin: 0 8px; }
.footer-legal { color: var(--mute); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav { gap: 18px; font-size: 13px; }
  .hero { padding: 64px 0 56px; }
  .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 20px;
  }
  .stat:nth-child(2) { border-right: none; }
  .section { padding: 64px 0; }
  .cards { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}