:root {
  --bg: #07090c;
  --panel: #0d1116;
  --panel-2: #111821;
  --text: #f4f7fb;
  --muted: #98a5b5;
  --line: rgba(255,255,255,.12);
  --line-strong: rgba(255,255,255,.2);
  --accent: #b9e8ff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 82% 4%, rgba(108,147,179,.15), transparent 24%),
    linear-gradient(180deg, #080a0d 0%, var(--bg) 36%, #06080b 100%);
  color: var(--text);
  line-height: 1.55;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 99;
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 17px max(24px, calc((100vw - var(--max))/2));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
  background: rgba(7,9,12,.84);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: .75rem; letter-spacing: .16em; font-weight: 700; }
.brand-mark { width: 12px; height: 12px; border: 1px solid var(--accent); transform: rotate(45deg); box-shadow: 0 0 22px rgba(185,232,255,.28); }
.nav { display: flex; gap: 17px; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: .76rem; }
.nav a:hover, .nav a:focus-visible { color: var(--text); }

main, footer { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(230px, .55fr);
  gap: 56px;
  align-items: end;
  padding: 58px 0 62px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0 -16vw 0 45%;
  opacity: .3;
  background-image:
    linear-gradient(rgba(185,232,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185,232,255,.08) 1px, transparent 1px);
  background-size: 42px 42px;
  transform: perspective(480px) rotateY(-16deg) rotateX(2deg);
  transform-origin: center;
  mask-image: linear-gradient(90deg, transparent, black 22%, black 75%, transparent);
}
.hero-status {
  position: absolute;
  top: 26px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--muted);
  font-size: .69rem;
  letter-spacing: .14em;
}
.hero-status strong { color: var(--accent); font-weight: 700; }
.hero-status-divider { opacity: .45; }
.signal-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 22px rgba(185,232,255,.6); }
.hero-copy { position: relative; z-index: 2; max-width: 780px; }
.hero h1 { margin: 10px 0 0; font-size: clamp(4.4rem, 11vw, 9rem); line-height: .8; letter-spacing: -.062em; font-weight: 720; }
.lead { margin: 34px 0 10px; font-size: clamp(1.25rem, 2.4vw, 2.05rem); color: var(--text); }
.hero-summary { margin: 0; color: var(--muted); font-size: clamp(.96rem, 1.4vw, 1.08rem); }
.mission-readout {
  position: relative;
  z-index: 2;
  border-left: 1px solid var(--line);
  padding-left: 24px;
  display: grid;
  gap: 1px;
  background: var(--line);
}
.mission-readout div { background: rgba(8,11,15,.9); padding: 17px 0 17px 18px; display: flex; flex-direction: column; gap: 5px; }
.mission-readout span { color: var(--muted); font-size: .65rem; letter-spacing: .12em; }
.mission-readout strong { font-size: .78rem; letter-spacing: .08em; }

.eyebrow { font-size: .7rem; letter-spacing: .18em; color: var(--accent); font-weight: 700; }
.actions { display: flex; gap: 11px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line-strong); font-size: .72rem; letter-spacing: .11em; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.button:hover, .button:focus-visible { border-color: var(--text); }
.button.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.button.primary:hover, .button.primary:focus-visible { background: var(--accent); border-color: var(--accent); }

.section { padding: 88px 0; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: center; gap: 16px; margin-bottom: 34px; }
.section-heading span { color: var(--muted); font-size: .68rem; }
.section-heading h2 { margin: 0; font-size: .81rem; letter-spacing: .18em; }

.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.status-card { position: relative; background: var(--panel); padding: 23px; min-height: 118px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.status-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 2px; background: transparent; }
.status-card.live::before { background: var(--accent); box-shadow: 0 0 14px rgba(185,232,255,.35); }
.status-card.sealed { background: #0b0e12; }
.status-card span { font-size: .68rem; letter-spacing: .1em; color: var(--muted); }
.status-card strong { font-size: .9rem; letter-spacing: .08em; }

.split-section { display: grid; grid-template-columns: .64fr 1.36fr; gap: 64px; }
.copy-block { max-width: 790px; }
.copy-block > p, .archive-lock p, .verified-section > p, .system-card p, .transmission-card p { color: var(--muted); }
.large-copy { color: var(--text) !important; font-size: clamp(1.55rem, 3vw, 2.55rem); line-height: 1.2; }
.statement { color: var(--text) !important; margin-top: 32px; font-size: .9rem; letter-spacing: .16em; font-weight: 700; }
.microcopy { margin-top: 18px; font-size: .62rem; letter-spacing: .12em; }

.system-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.system-card { min-height: 240px; padding: 28px; background: var(--panel); display: flex; flex-direction: column; }
.system-card h3 { margin: 32px 0 10px; font-size: 1.15rem; letter-spacing: .05em; }
.system-card p { max-width: 470px; margin-bottom: 30px; }
.system-card strong { margin-top: auto; font-size: .66rem; letter-spacing: .12em; }
.system-code { color: var(--accent); font-size: .65rem; letter-spacing: .14em; }
.sealed-card { background: linear-gradient(135deg, #0b0e12, #10141b); }

.artifact-hero { margin: 34px 0 0; display: grid; grid-template-columns: minmax(0, .8fr) minmax(240px, .6fr); gap: 20px; align-items: stretch; border: 1px solid var(--line); background: var(--panel); }
.artifact-hero img { width: 100%; height: 100%; max-height: 720px; object-fit: contain; background: #080a0d; display: block; }
.artifact-hero figcaption { padding: 24px; display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; }
.artifact-hero figcaption span { color: var(--accent); font-size: .64rem; letter-spacing: .14em; }
.artifact-hero figcaption strong { font-size: 1rem; letter-spacing: .06em; }
.artifact-hero figcaption p { margin: 0; color: var(--muted); font-size: .82rem; }

.artifact-preview { margin-top: 22px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.artifact-preview div { min-height: 195px; padding: 16px; background: linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,.045)); display: flex; flex-direction: column; justify-content: space-between; }
.artifact-preview span { color: var(--muted); font-size: .62rem; letter-spacing: .12em; }
.artifact-preview strong { font-size: .67rem; letter-spacing: .08em; }

.feature-card { display: grid; grid-template-columns: 1.45fr .55fr; gap: 36px; padding: 34px; border: 1px solid var(--line); background: linear-gradient(135deg, var(--panel), var(--panel-2)); }
.feature-card.muted { background: var(--panel); }
.pending { align-self: end; color: var(--muted); font-size: .69rem; letter-spacing: .14em; border-top: 1px solid var(--line); padding-top: 18px; }

.archive-section { position: relative; overflow: hidden; }
.archive-section::after { content: "SEALED"; position: absolute; right: -18px; bottom: -54px; font-size: clamp(6rem, 18vw, 14rem); font-weight: 800; letter-spacing: -.06em; color: rgba(255,255,255,.025); pointer-events: none; }
.archive-lock { position: relative; z-index: 1; max-width: 810px; padding: 36px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(13,17,22,.97), rgba(10,13,17,.94)); }

.transmission-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.transmission-card { border: 1px solid var(--line); padding: 28px; background: var(--panel); min-height: 265px; display: flex; flex-direction: column; }
.transmission-card h3 { margin: 34px 0 10px; font-size: 1.35rem; letter-spacing: .03em; }
.transmission-meta { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 14px; color: var(--muted); font-size: .64rem; letter-spacing: .1em; }

.link-grid { margin-top: 26px; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.link-grid span, .link-grid a { background: var(--panel); padding: 18px; display: flex; justify-content: space-between; gap: 18px; font-size: .72rem; letter-spacing: .09em; }
.link-grid a:hover, .link-grid a:focus-visible { background: var(--panel-2); }
.link-grid b { font-weight: 650; }
.link-grid em { color: var(--muted); font-style: normal; }
.link-grid a em { color: var(--accent); }

footer { display: flex; justify-content: space-between; gap: 24px; padding: 29px 0 50px; color: var(--muted); font-size: .65rem; letter-spacing: .1em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

@media (max-width: 920px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .nav { gap: 12px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 92px; }
  .hero-grid { inset: 0 -30vw 28% 35%; }
  .mission-readout { border-left: 0; padding-left: 0; grid-template-columns: repeat(2, 1fr); }
  .status-grid { grid-template-columns: repeat(2, 1fr); }
  .split-section { grid-template-columns: 1fr; gap: 20px; }
  .system-grid { grid-template-columns: 1fr; }
  .artifact-hero { grid-template-columns: 1fr; }
  .artifact-preview { grid-template-columns: repeat(2, 1fr); }
  .feature-card { grid-template-columns: 1fr; }
  .transmission-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}

@media (max-width: 580px) {
  main, footer { width: min(var(--max), calc(100% - 28px)); }
  .site-header { padding: 14px; }
  .nav { display: none; }
  .hero { padding-top: 84px; }
  .hero h1 { font-size: 21vw; }
  .hero-status { flex-wrap: wrap; }
  .mission-readout { grid-template-columns: 1fr; }
  .status-grid { grid-template-columns: 1fr; }
  .artifact-preview { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .link-grid span, .link-grid a, .transmission-meta { flex-direction: column; }
}