:root {
  --ink: #16233a;
  --ink-soft: #4a5872;
  --paper: #f6f7fb;
  --card: #ffffff;
  --line: #dde1ea;
  --accent: #2454ff;
  --accent-soft: #e8edff;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  line-height: 1.6;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
  background: rgba(246, 247, 251, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 15px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

main { max-width: 880px; margin: 0 auto; padding: 0 6vw; }

.hero {
  padding: 90px 0 60px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 30px;
}

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--card);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.btn:hover { border-color: var(--accent); transform: translateY(-1px); }

.btn.primary {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}

.btn.primary:hover { background: var(--accent); border-color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 50px 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px;
}

.card .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.card h3 {
  font-size: 1.05rem;
  margin: 10px 0 8px;
}

.card p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }

.contact-strip {
  padding: 50px 0 90px;
  border-top: 1px solid var(--line);
}

.contact-strip h2 { font-size: 1.4rem; margin: 0 0 10px; }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-soft);
  display: grid;
  gap: 8px;
}

.contact-list a { color: var(--ink); }

footer {
  padding: 26px 6vw 40px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Policy page */
.policy-header {
  padding: 60px 0 30px;
  border-bottom: 1px solid var(--line);
}

.policy-header .updated {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
}

.policy-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 50px;
  padding: 40px 0 90px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 90px;
  font-family: var(--mono);
  font-size: 12.5px;
}

.toc-title {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
  font-size: 11px;
}

.toc a {
  display: block;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 6px 0;
  border-left: 2px solid transparent;
  padding-left: 10px;
  margin-left: -1px;
}

.toc a:hover { color: var(--ink); border-left-color: var(--accent); }

.policy-body section {
  margin-bottom: 34px;
  padding-top: 8px;
}

.policy-body h2 {
  font-size: 1.3rem;
  margin: 0 0 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.policy-body h2 .tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

.policy-body h3 {
  font-size: 1.02rem;
  margin: 22px 0 8px;
  color: var(--ink);
}

.policy-body p { margin: 0 0 12px; color: var(--ink-soft); }

.policy-body ul { margin: 0 0 14px; padding-left: 20px; color: var(--ink-soft); }

.policy-body li { margin-bottom: 6px; }

.note-box {
  background: var(--accent-soft);
  border: 1px solid #c6d4ff;
  border-radius: 8px;
  padding: 16px 18px;
  font-size: 0.92rem;
  color: var(--ink);
  margin: 18px 0;
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.9;
}

@media (max-width: 780px) {
  .policy-layout { grid-template-columns: 1fr; }
  .toc { position: static; border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 10px; }
  .nav-links { gap: 16px; font-size: 11px; }
}