@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400&family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --text: #0f172a;
  --muted: #475569;
  --accent: #0d9488;
  --accent-dark: #0f766e;
  --accent-soft: #ccfbf1;
  --accent-bg: rgba(13, 148, 136, 0.08);
  --border: #e2e8f0;
  --page: #fff;
}

* { box-sizing: border-box; }
html { background: #f1f5f9; min-height: 100%; }
body {
  margin: 0;
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
}

.proj-top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.proj-top a {
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
}
.proj-top a:hover { text-decoration: underline; }
.proj-top .sep { color: var(--border); user-select: none; }

.proj-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 20px 80px;
  background: var(--page);
  min-height: calc(100vh - 52px);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.04);
}
.proj-page h1 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.85rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  letter-spacing: -0.02em;
}
.proj-page .lede {
  font-size: 1rem;
  color: var(--muted);
  margin: 0 0 24px 0;
}
.proj-page h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.1rem;
  margin: 28px 0 10px 0;
  color: var(--accent-dark);
}
.proj-page p { margin: 0 0 12px 0; }
.proj-page ul { margin: 0 0 12px 0; padding-left: 1.2em; }
.proj-page li { margin-bottom: 6px; }

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 0 0;
  padding: 0;
  list-style: none;
}
.proj-tags li {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-bg);
  color: var(--accent-dark);
  border: 1px solid rgba(13, 148, 136, 0.2);
}

.figure {
  margin: 20px 0;
  padding: 16px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: #f8fafc;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}
.figure strong { display: block; color: var(--text); margin-bottom: 6px; }

.proj-cards {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
@media (min-width: 560px) {
  .proj-cards { grid-template-columns: repeat(2, 1fr); }
}
.proj-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  background: #fafafa;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.proj-card:hover {
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}
.proj-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}
.proj-card h3 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.05rem;
  margin: 0 0 6px 0;
  color: var(--accent-dark);
}
.proj-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

@media print {
  .no-print { display: none !important; }
  html { background: #fff; }
  .proj-page { box-shadow: none; max-width: none; }
}