:root {
  --bg: #111712;
  --panel: #1d271f;
  --ink: #f0f5ed;
  --muted: #aebcad;
  --olive: #8ea35b;
  --signal: #d6ff4d;
  --danger: #d94a3a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Lucida Sans", "Lucida Grande", Arial, sans-serif;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 5vw;
  border-bottom: 1px solid rgba(214,255,77,.22);
  background: rgba(17,23,18,.95);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { color: var(--signal); font-weight: 900; letter-spacing: .12em; }
nav { display: flex; gap: 20px; }
nav a { color: var(--ink); text-decoration: none; font-size: .9rem; font-weight: 800; }

.hero {
  min-height: 90vh;
  padding: 80px 5vw;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 60px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(142,163,91,.16), transparent 45%),
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(214,255,77,.035) 18px 20px);
}
.shield {
  height: 470px;
  clip-path: polygon(50% 0, 92% 18%, 82% 78%, 50% 100%, 18% 78%, 8% 18%);
  background: linear-gradient(160deg, var(--signal), var(--olive), #41542b);
  display: grid;
  place-items: center;
  box-shadow: 0 40px 100px rgba(0,0,0,.35);
}
.shield-inner {
  width: 72%;
  height: 72%;
  clip-path: polygon(50% 0, 92% 18%, 82% 78%, 50% 100%, 18% 78%, 8% 18%);
  background: var(--bg);
  display: grid;
  place-items: center;
  color: var(--signal);
  font-weight: 900;
  letter-spacing: .12em;
}
.code {
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .76rem;
  font-weight: 900;
}
h1, h2 { margin: 0 0 22px; line-height: .95; letter-spacing: -0.055em; }
h1 { font-size: clamp(3rem, 7vw, 7rem); }
h2 { font-size: clamp(2.2rem, 5vw, 5.3rem); }
h3 { color: var(--signal); margin-top: 0; }
p { color: var(--muted); line-height: 1.75; }
.hero-copy p:last-child { max-width: 850px; font-size: 1.16rem; }

section { padding: 90px 5vw; }
.layers h2 { max-width: 980px; }
.layer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
}
.layer-grid article {
  background: var(--panel);
  padding: 28px;
  border: 1px solid rgba(214,255,77,.16);
  min-height: 260px;
}
.layer-grid article:nth-child(odd) { border-top: 5px solid var(--signal); }
.layer-grid article:nth-child(even) { border-top: 5px solid var(--olive); }

.readiness {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  background: #0b100c;
  align-items: center;
}
.meter {
  border: 2px solid var(--signal);
  padding: 34px;
  text-align: center;
  background: radial-gradient(circle, rgba(214,255,77,.12), transparent 70%);
}
#meterValue { display: block; color: var(--signal); font-size: 7rem; line-height: 1; font-weight: 900; }
#raiseMeter {
  border: 0;
  background: var(--signal);
  color: var(--bg);
  padding: 14px 18px;
  font-weight: 900;
  cursor: pointer;
}

.briefing-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid rgba(214,255,77,.18);
}
.briefing-list div { padding: 30px; border: 1px solid rgba(214,255,77,.18); }
.briefing-list strong { color: var(--signal); font-size: 1.2rem; }

.manifesto {
  background: var(--signal);
}
.manifesto h2, .manifesto p { color: var(--bg); }
.manifesto p { max-width: 980px; font-size: 1.18rem; }
.contact {
  background: var(--panel);
}
.contact a { color: var(--signal); font-size: 1.55rem; font-weight: 900; }

@media (max-width: 900px) {
  .header { flex-direction: column; align-items: flex-start; gap: 14px; }
  nav { flex-wrap: wrap; }
  .hero, .readiness { grid-template-columns: 1fr; }
  .shield { height: 330px; }
  .layer-grid, .briefing-list { grid-template-columns: 1fr; }
}