.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { font-weight: 850; letter-spacing: .18em; text-decoration: none; }
.brand span { color: var(--text); font-weight: 450; font-size: .75rem; }
.hero { padding: 4rem 0 2rem; position: relative; }
.hero h1 { max-width: 20ch; font-size: clamp(2.8rem, 7vw, 5.8rem); margin: 1rem 0; letter-spacing: -.055em; }
.hero h1 span { color: var(--accent); }
.intro { font-size: 1.15rem; max-width: 65ch; color: var(--muted); }
.button { text-decoration: none; display: inline-block; }
.button.primary { background: var(--accent); color: #07221b; font-weight: 700; border-color: var(--accent); }
.boundary { border-left: 2px solid var(--border); padding-left: 1rem; color: var(--muted); max-width: 90ch; font-size: .88rem; margin-top: 1.5rem; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 1rem 0 4rem; }
.stats div { border-top: 1px solid var(--border); padding-top: .8rem; }
.stats strong { display: block; font-size: 2.25rem; font-weight: 650; }
.stats span { color: var(--muted); font-size: .8rem; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.section-head h2 { margin-top: .5rem; font-size: 1.8rem; }
.project-grid { margin: 1.5rem 0 3rem; }
.project { display: flex; flex-direction: column; transition: border-color .15s, transform .15s; }
.project:hover { border-color: #557395; transform: translateY(-2px); }
.project .project-number { font-size: 2rem; line-height: 1; color: var(--accent-alt); opacity: .85; }
.project .project-top { display: flex; justify-content: space-between; gap: .5rem; align-items: center; }
.project .project-top .badge { font-size: .7rem; }
.project h3 { font-size: 1.45rem; margin-bottom: .5rem; }
.project p { color: var(--muted); font-size: .92rem; }
.project .project-links { display: flex; gap: 1rem; align-items: center; margin-top: auto; padding-top: 1rem; }
.project .project-links a { font-size: .85rem; }
.project .project-links .open { font-weight: 750; font-size: .95rem; }
.project .project-state { font-size: .78rem; }
.project.featured { background: linear-gradient(150deg, #24395a, #102c2b); border-color: #3d7770; }
.lineage { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; }
.flow { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; align-content: center; }
.flow span, .flow strong { padding: .7rem; border: 1px solid var(--border); border-radius: .5rem; text-align: center; }
.flow strong { grid-column: 1 / -1; color: var(--accent); border-color: var(--accent); }
footer { color: var(--muted); font-size: .8rem; margin-top: 3rem; border-top: 1px solid var(--border); padding-top: 1rem; }
@media (max-width: 700px) {
  .hero { padding-top: 2.5rem; }
  .stats { grid-template-columns: 1fr 1fr; margin-bottom: 2.5rem; }
  .lineage { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
  .topbar .badge { font-size: .65rem; }
}
@media (prefers-reduced-motion: reduce) { .project { transition: none; } .project:hover { transform: none; } }