:root {
  --navy: #0b2942;
  --navy-soft: #14385a;
  --teal: #2bb3c0;
  --ink: #1c2b36;
  --muted: #5a6b78;
  --line: #e2e8ee;
  --bg: #f6f9fb;
  --card: #ffffff;
  --max: 720px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.masthead {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: #fff;
  padding: 2.4rem 1.25rem 2rem;
  text-align: center;
}

.masthead .wordmark {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.masthead h1 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.masthead p {
  margin: 0.5rem auto 0;
  max-width: 30rem;
  color: rgba(255,255,255,0.78);
  font-size: 0.98rem;
}

nav.crumbs {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.9rem 1.25rem 0;
  font-size: 0.85rem;
  color: var(--muted);
}

nav.crumbs a { color: var(--muted); }
nav.crumbs a:hover { color: var(--teal); }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.6rem 1.6rem 1.7rem;
  margin: 1.1rem 0;
  box-shadow: 0 1px 2px rgba(11,41,66,0.04);
}

h2 {
  font-size: 1.22rem;
  margin: 0 0 0.6rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.02rem;
  margin: 1.3rem 0 0.3rem;
}

.lede { font-size: 1.05rem; color: var(--ink); }

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

.badge {
  display: inline-block;
  background: rgba(43,179,192,0.12);
  color: #0f7e89;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.7rem;
}

ul.clean { padding-left: 1.15rem; margin: 0.4rem 0; }
ul.clean li { margin: 0.3rem 0; }

.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 1.3rem;
  border-radius: 10px;
  margin-top: 0.4rem;
}
.btn:hover { text-decoration: none; background: #239aa6; }

.faq { border-top: 1px solid var(--line); padding-top: 1.1rem; margin-top: 1.1rem; }
.faq:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.faq h3 { margin-top: 0; }
.faq p { margin: 0.35rem 0 0; }

.cards-row { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .cards-row { grid-template-columns: 1fr; } }

.mini {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.2rem 1.3rem;
}
.mini:hover { border-color: var(--teal); text-decoration: none; }
.mini strong { display: block; color: var(--ink); font-size: 1.05rem; }
.mini span { color: var(--muted); font-size: 0.9rem; }

code {
  background: #eef3f7;
  padding: 0.1rem 0.4rem;
  border-radius: 5px;
  font-size: 0.88em;
}

footer {
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 1.6rem 1.25rem 2.4rem;
}
footer a { color: var(--muted); }