:root {
  --brand: #0f5e5b;
  --brand-dark: #0a4341;
  --accent: #F59E0B;
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --bg: #fafaf9;
  --card: #ffffff;
  --logo-ink: #0f5e5b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--brand); }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

header.site {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 1.25rem; color: var(--logo-ink);
  text-decoration: none; letter-spacing: -0.01em;
}
.logo img { display: block; }
nav a { margin-left: 20px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 0.95rem; }
nav a:hover { color: var(--brand); }

.hero { background: var(--brand); color: #fff; padding: 72px 0 64px; }
.hero h1 { font-size: 2.4rem; line-height: 1.2; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero p { font-size: 1.15rem; max-width: 640px; margin: 0 0 28px; color: #e0f2f1; }
.btn {
  display: inline-block; background: var(--accent); color: var(--ink);
  font-weight: 700; padding: 12px 22px; border-radius: 10px; text-decoration: none;
}

section { padding: 56px 0; }
section h2 { font-size: 1.6rem; margin: 0 0 24px; letter-spacing: -0.01em; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; color: var(--brand); }
.card p { margin: 0; color: var(--muted); }
.lead { color: var(--muted); max-width: 720px; margin: -8px 0 24px; }
.tag { display: inline-block; font-size: 0.72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; margin-left: 6px; vertical-align: middle; }
.tag.live { background: #dcfce7; color: #166534; }
.tag.dev { background: #fef3c7; color: #92400e; }
.person .role { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: #b45309; margin: -4px 0 8px; }

.contact-card { display: flex; align-items: center; gap: 24px; }
.contact-logo { flex-shrink: 0; }
.contact dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 0; }
.contact dt { font-weight: 700; }
.contact dd { margin: 0; color: var(--muted); }

.doc { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 32px; margin: 40px auto; }
.doc h1 { margin-top: 0; font-size: 2rem; }
.doc h2 { font-size: 1.2rem; margin: 32px 0 8px; color: var(--brand); }
.doc .updated { color: var(--muted); margin-top: -8px; }
.doc li { margin-bottom: 6px; }

footer.site { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 0.9rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer.site a { color: var(--muted); margin-right: 16px; }

@media (max-width: 600px) {
  .hero h1 { font-size: 1.8rem; }
  nav a { margin-left: 12px; }
  .grid { grid-template-columns: 1fr; }
  .contact-card { flex-direction: column; align-items: flex-start; }
  .doc { padding: 20px; margin: 20px auto; }
}