:root {
  --teal-900: #07332f;
  --teal-700: #0f766e;
  --teal-500: #14b8a6;
  --teal-300: #5eead4;
  --teal-100: #ccfbf1;
  --ink: #12312e;
  --muted: #4b6a66;
  --bg: #f2f7f6;
  --card: #ffffff;
  --line: #dcebe8;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--teal-700); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 10px 20px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-logo { height: 48px; width: 48px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 1.05rem; }
.brand-text small { color: var(--muted); font-size: 0.8rem; }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a { padding: 8px 10px; text-decoration: none; color: var(--ink); border-radius: 8px; font-size: 0.95rem; }
.main-nav a:hover { background: var(--teal-100); }
.main-nav a.active { background: var(--teal-100); font-weight: 700; color: var(--teal-900); }

/* Inner page hero */
.page-hero {
  background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 60%, var(--teal-500) 100%);
  color: #fff;
  padding: 48px 0 40px;
}
.page-hero h1 { margin: 0 0 8px; font-size: 2.1rem; }
.lede-dark { max-width: 720px; margin: 0; font-size: 1.1rem; opacity: 0.94; }
.nav-admin { background: var(--teal-700); color: #fff !important; font-weight: 600; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 60%, var(--teal-500) 100%);
  color: #fff;
  padding: 64px 0 56px;
  text-align: center;
}
.hero-logo { height: 150px; width: 150px; object-fit: contain; background: #fff; border-radius: 50%; padding: 10px; }
.hero h1 { font-size: 2.4rem; margin: 20px 0 8px; }
.lede { max-width: 720px; margin: 0 auto; font-size: 1.1rem; opacity: 0.94; }
.hero-cta { margin-top: 26px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 11px 22px; border-radius: 999px; text-decoration: none; font-weight: 600; }
.btn-light { background: #fff; color: var(--teal-900); }
.btn-outline { border: 2px solid #fff; color: #fff; }
.stats { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }
.stat { background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 14px; padding: 14px 22px; min-width: 150px; }
.stat-num { display: block; font-size: 1.7rem; font-weight: 800; }
.stat-label { font-size: 0.9rem; opacity: 0.9; }

/* Sections */
.section { padding: 56px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { margin: 0 0 10px; font-size: 1.7rem; color: var(--teal-900); }
.section-sub { color: var(--muted); margin-top: 0; }
.flow { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 22px 0; }
.flow-step { background: var(--teal-100); color: var(--teal-900); border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: 0.95rem; }
.flow-arrow { color: var(--teal-500); font-weight: 800; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; color: var(--teal-900); }
.card p { margin: 4px 0; color: var(--muted); font-size: 0.95rem; }
.tag { display: inline-block; background: var(--teal-100); color: var(--teal-900); font-size: 0.78rem; font-weight: 700; border-radius: 999px; padding: 3px 10px; margin-bottom: 8px; }
.card .meta { font-size: 0.88rem; color: var(--muted); }
.loading { color: var(--muted); }

/* Publications */
.pub-list { list-style: none; padding: 0; margin-top: 16px; }
.pub-list li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
.pub-list .pub-topic { font-weight: 700; color: var(--teal-900); }
.pub-list .pub-note { color: var(--muted); font-size: 0.92rem; }

/* Footer */
.site-footer { background: var(--teal-900); color: #d7efec; padding: 28px 0; }
.footer-inner { display: flex; align-items: center; gap: 14px; }
.footer-logo { height: 40px; width: 40px; object-fit: contain; background: #fff; border-radius: 50%; padding: 3px; }
.small { font-size: 0.9rem; color: var(--muted); }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-logo { height: 110px; width: 110px; }
  .main-nav { display: none; }
}