:root {
  --bg: #03070c;
  --mint: #e8fff8;
  --mint-dim: #d7f7ee;
  --alien: #61ffb1;
  --alien-hot: #d4ff72;
  --cyan: #47d8ff;
  --cyan-hot: #00e5ff;
  --violet: #bf6dff;
  --font-display: "Orbitron", sans-serif;
  --font-body: "Manrope", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--mint-dim);
  background: var(--bg);
  line-height: 1.55;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--cyan-hot); }

.site-nav {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.75rem;
}
.site-nav .brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mint);
  font-size: 0.95rem;
}
.site-nav .links { display: flex; gap: 1rem; flex-wrap: wrap; }
.site-nav .links a { font-size: 0.9rem; color: var(--mint-dim); }
.site-nav .links a:hover { color: var(--alien); }

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #000 center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3,7,12,0.92) 0%, rgba(3,7,12,0.55) 42%, rgba(3,7,12,0.15) 100%),
              linear-gradient(0deg, rgba(3,7,12,0.85) 0%, transparent 45%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  padding: 6rem 1.75rem 4.5rem;
}
.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--mint);
  line-height: 1.1;
  margin: 0 0 1rem;
  text-shadow: 0 0 24px rgba(97,255,177,0.25);
}
.hero-brand span { color: var(--alien); }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  font-weight: 600;
  color: var(--mint-dim);
  margin: 0 0 0.85rem;
  letter-spacing: 0.02em;
}
.hero p {
  margin: 0 0 1.75rem;
  max-width: 32rem;
  font-size: 1.08rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: box-shadow 0.2s ease, transform 0.15s ease, background 0.2s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--alien), var(--cyan));
  color: #03070c;
}
.btn-primary:hover {
  box-shadow: 0 0 22px rgba(71,216,255,0.45);
  color: #03070c;
}
.btn-ghost {
  background: transparent;
  border-color: var(--cyan);
  color: var(--mint);
}
.btn-ghost:hover {
  background: rgba(71,216,255,0.12);
  color: var(--mint);
}

.section {
  padding: 4.5rem 1.75rem;
  max-width: 72rem;
  margin: 0 auto;
}
.section h2 {
  font-family: var(--font-display);
  color: var(--mint);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 0.75rem;
}
.section .lead {
  max-width: 40rem;
  margin: 0 0 1.75rem;
  font-size: 1.08rem;
}
.evidence-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.85rem;
}
.evidence-list li {
  padding-left: 1.1rem;
  border-left: 2px solid var(--cyan);
}
.protocol {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.25rem;
}
.protocol li {
  position: relative;
  padding: 1rem 1rem 1rem 3.2rem;
  border: 1px solid rgba(71,216,255,0.25);
  background: rgba(8,16,24,0.65);
}
.protocol li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  font-family: var(--font-display);
  color: var(--alien);
  font-weight: 700;
}
.archive-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}
.archive-grid p {
  margin: 0;
  padding: 1rem;
  border-top: 1px solid rgba(97,255,177,0.35);
  background: linear-gradient(180deg, rgba(97,255,177,0.06), transparent);
}

.site-footer {
  padding: 2rem 1.75rem 3rem;
  border-top: 1px solid rgba(71,216,255,0.15);
  color: rgba(215,247,238,0.65);
  font-size: 0.9rem;
  text-align: center;
}

/* Utility pages */
.util-page {
  min-height: 100vh;
  margin: 0;
  background: #000 center/cover no-repeat;
  display: grid;
  place-items: end center;
}
.util-page .bar {
  width: 100%;
  padding: 1.25rem;
  text-align: center;
  background: linear-gradient(0deg, rgba(3,7,12,0.9), transparent);
}
.util-page .bar a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

@media (max-width: 720px) {
  .hero-inner { padding-top: 7rem; }
  .site-nav { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}