:root {
  --bg: #050d1f;
  --surface: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(94,234,212,0.3);
  --teal: #5eead4;
  --purple: #a78bfa;
  --blue: #60a5fa;
  --text: #e2e8f0;
  --muted: #64748b;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Canvas ── */
#bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: rgba(5,13,31,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.logo .dot { color: var(--teal); }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* ── Main layout ── */
main {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 5rem;
  position: relative;
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  background: linear-gradient(140deg, var(--text) 40%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.25rem;
}

.tagline {
  font-size: 1.125rem;
  color: var(--muted);
  margin-bottom: 2rem;
  min-height: 1.6em;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge {
  padding: 0.3rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  color: var(--muted);
  font-size: 1.25rem;
  animation: bounce 2.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(6px); opacity: 0.9; }
}

/* ── Sections ── */
section {
  padding: 5rem 0;
}

section:not(.hero) {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

section.visible {
  opacity: 1;
  transform: none;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 2rem;
  font-weight: 500;
}

/* ── Cards ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
  cursor: pointer;
}

.card:hover {
  border-color: var(--border-hover);
  background: rgba(94,234,212,0.04);
  transform: translateY(-3px);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-icon {
  font-size: 1.375rem;
  line-height: 1;
}

.card-icon.lief    { color: var(--teal); }
.card-icon.smoke   { color: var(--purple); }
.card-icon.synthlief { color: var(--blue); }

.card-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.dot-status {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-status.active   { background: var(--teal); box-shadow: 0 0 6px var(--teal); }
.dot-status.building { background: var(--purple); }

.card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.card-link {
  font-size: 0.8125rem;
  color: var(--teal);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: opacity 0.2s;
}

.card:hover .card-link { opacity: 0.75; }

/* ── Activity feed ── */
.feed {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.commit {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.875rem 1.125rem;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.875rem;
  row-gap: 0.2rem;
  align-items: start;
  transition: border-color 0.2s;
}

.commit:hover { border-color: var(--border-hover); }

.commit-repo {
  grid-column: 1;
  grid-row: 1;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  white-space: nowrap;
}

.commit-msg {
  grid-column: 2;
  grid-row: 1;
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.commit-meta {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.75rem;
  color: var(--muted);
}

.loading {
  font-size: 0.875rem;
  color: var(--muted);
  padding: 0.5rem 0;
}

/* ── Footer ── */
footer {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 2rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--teal); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-copy a {
  color: var(--teal);
  text-decoration: none;
  opacity: 0.8;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  nav { padding: 1rem 1.25rem; }
  .nav-links { gap: 1.25rem; }
  main { padding: 0 1.25rem; }
  footer { padding: 1.5rem 1.25rem 2rem; flex-direction: column; align-items: flex-start; }
  .commit { grid-template-columns: 1fr; }
  .commit-repo { grid-column: 1; }
  .commit-msg { grid-column: 1; grid-row: 2; white-space: normal; }
  .commit-meta { grid-column: 1; grid-row: 3; }
}