:root {
  --deep: #03040d;
  --panel: rgba(5, 8, 22, .78);
  --gold: #d6b15d;
  --bright-gold: #f5d98b;
  --purple: #7c3aed;
  --text: #f8e6b0;
  --muted: #c7b98c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(2, 6, 23, .38), rgba(2, 6, 23, .92)),
    url('/assets/observer-hero.png') center top / cover fixed no-repeat,
    var(--deep);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 0%, rgba(214,177,93,.18), transparent 24%),
    radial-gradient(circle at 15% 75%, rgba(124,58,237,.22), transparent 30%),
    radial-gradient(circle at 90% 55%, rgba(124,58,237,.16), transparent 28%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 5vw;
  background: rgba(0,0,0,.72);
  border-bottom: 1px solid rgba(214,177,93,.35);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  gap: .85rem;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  filter: drop-shadow(0 0 12px rgba(214,177,93,.45));
}

.brand em {
  display: block;
  color: #b57cff;
  font-style: normal;
  font-size: .8rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-size: .9rem;
  opacity: .92;
}

.nav-button, .primary, .secondary {
  border: 1px solid rgba(214,177,93,.75);
  padding: .65rem 1rem;
  border-radius: .25rem;
  text-decoration: none;
}

.hero {
  min-height: 66vh;
  display: grid;
  place-items: center;
  padding: 5rem 5vw;
}

.hero-panel {
  width: min(980px, 100%);
  padding: 3rem;
  text-align: center;
  background: rgba(2, 6, 23, .58);
  border: 1px solid rgba(214,177,93,.35);
  box-shadow: 0 0 50px rgba(124,58,237,.23);
  backdrop-filter: blur(10px);
}

.eyebrow {
  color: #b57cff;
  letter-spacing: .28em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 5.8rem);
  margin: .4rem 0;
  color: var(--bright-gold);
  letter-spacing: .12em;
  text-transform: uppercase;
  text-shadow: 0 0 22px rgba(214,177,93,.38);
}

h2 {
  color: var(--bright-gold);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.subhead {
  max-width: 720px;
  margin: 1rem auto 2rem;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.6;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.primary {
  background: linear-gradient(135deg, #d6b15d, #7c3aed);
  color: #050816;
  font-weight: 700;
}

.secondary {
  color: var(--bright-gold);
  background: rgba(124,58,237,.12);
}

.cards, .wide-card, .observer {
  width: min(1180px, 90vw);
  margin: 2rem auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

article, .wide-card, .observer {
  background: var(--panel);
  border: 1px solid rgba(214,177,93,.32);
  box-shadow: 0 0 24px rgba(124,58,237,.20);
  padding: 1.4rem;
  backdrop-filter: blur(10px);
}

article p, .wide-card p, .observer p {
  color: var(--muted);
  line-height: 1.6;
}

footer {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2rem 5vw;
  color: var(--gold);
  letter-spacing: .16em;
  text-transform: uppercase;
  border-top: 1px solid rgba(214,177,93,.22);
}

@media (max-width: 850px) {
  .site-header, nav { justify-content: center; }
  .cards { grid-template-columns: 1fr; }
  .hero-panel { padding: 2rem 1.2rem; }
}