:root {
  --bg: #02030a;
  --card: rgba(255,255,255,.075);
  --line: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.94);
  --muted: rgba(255,255,255,.62);
  --primary: #ffb45e;
  --secondary: #6f2bff;
  --glow: rgba(255, 180, 94, .55);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 70% 20%, color-mix(in srgb, var(--primary) 26%, transparent), transparent 34%),
    radial-gradient(circle at 20% 80%, color-mix(in srgb, var(--secondary) 24%, transparent), transparent 36%),
    #02030a;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
  pointer-events: none;
  z-index: -3;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(2,3,10,.15), rgba(2,3,10,.92)),
    url("/assets/backdrop.jpg");
  background-size: cover;
  background-position: center;
  opacity: .18;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: -4;
}
.noise {
  position: fixed;
  inset: 0;
  opacity: .08;
  pointer-events: none;
  z-index: 10;
  background-image: repeating-radial-gradient(circle at 20% 30%, rgba(255,255,255,.16) 0 1px, transparent 1px 3px);
}
.orbital-grid {
  position: fixed;
  width: 900px;
  height: 900px;
  right: -260px;
  top: -220px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(255,255,255,.018), 0 0 0 180px rgba(255,255,255,.012), inset 0 0 80px rgba(255,255,255,.03);
  pointer-events: none;
  z-index: -1;
}
.topbar {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: .16em;
  font-size: 12px;
  color: var(--muted);
}
.brand-mark {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 22px var(--glow);
}
nav { display: flex; gap: 20px; }
nav a { color: var(--muted); text-decoration: none; font-size: 13px; }
nav a:hover { color: var(--text); }
main { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.hero {
  min-height: calc(100vh - 90px);
  display: grid;
  grid-template-columns: 1fr 520px;
  align-items: center;
  gap: 50px;
}
.eyebrow {
  margin: 0 0 18px;
  color: var(--primary);
  font-size: 12px;
  letter-spacing: .24em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(72px, 11vw, 150px);
  line-height: .82;
  letter-spacing: -.08em;
  text-transform: uppercase;
}
.subtitle {
  margin: 22px 0 0;
  font-size: clamp(22px, 3vw, 44px);
  line-height: 1;
  color: rgba(255,255,255,.78);
  letter-spacing: -.04em;
}
.lead {
  width: min(680px, 100%);
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}
.status-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.82);
  backdrop-filter: blur(18px);
  font-size: 13px;
}
.status-pill.muted { color: var(--muted); }
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5dffb1;
  box-shadow: 0 0 18px rgba(93,255,177,.9);
}
.planet-stage { position: relative; height: 620px; display: grid; place-items: center; }
.planet-glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: var(--glow);
  filter: blur(70px);
  opacity: .55;
  animation: pulse 5s ease-in-out infinite;
}
.planet {
  position: relative;
  width: min(430px, 78vw);
  height: min(430px, 78vw);
  border-radius: 50%;
  overflow: hidden;
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,.48), transparent 0 16%, rgba(255,255,255,.1) 26%, transparent 48%),
    linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: inset -70px -40px 120px rgba(0,0,0,.78), inset 22px 12px 50px rgba(255,255,255,.18), 0 0 100px var(--glow);
  animation: float 7s ease-in-out infinite;
}
.planet-texture {
  position: absolute;
  inset: -5%;
  background-image: url("/assets/texture.jpg");
  background-size: cover;
  background-position: center;
  opacity: .72;
  mix-blend-mode: screen;
  animation: rotateTexture 26s linear infinite;
}
.planet-shadow { position: absolute; inset: 0; background: radial-gradient(circle at 34% 30%, transparent 0 28%, rgba(0,0,0,.24) 52%, rgba(0,0,0,.78) 100%); }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; transform: rotate(-18deg); }
.orbit-a { width: 590px; height: 250px; }
.orbit-b { width: 720px; height: 330px; opacity: .45; transform: rotate(24deg); }
.moon {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,.86);
  box-shadow: 0 0 24px rgba(255,255,255,.7);
  transform-origin: -260px 0;
  animation: moon 12s linear infinite;
}
.panel, .split, .mission { margin: 80px 0; }
.panel {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
  backdrop-filter: blur(28px);
  box-shadow: 0 30px 100px rgba(0,0,0,.32);
}
.section-title { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.section-title h2, .science-list h2, .mission h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 70px);
  line-height: .95;
  letter-spacing: -.055em;
}
.section-title p { margin: 0; color: var(--primary); letter-spacing: .2em; font-size: 12px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metrics article, .fact, .mission-grid article {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(0,0,0,.2);
  padding: 22px;
}
.metrics span, .fact span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.metrics strong { font-size: 24px; letter-spacing: -.04em; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.visual-card {
  position: relative;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 34px;
  overflow: hidden;
  background: rgba(255,255,255,.05);
}
.visual-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.05) contrast(1.04); }
.caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0,0,0,.38);
  backdrop-filter: blur(14px);
  color: rgba(255,255,255,.72);
  font-size: 12px;
}
.science-list {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(28px);
}
.fact { margin-top: 14px; }
.fact strong { font-size: 20px; line-height: 1.35; }
.mission { display: grid; grid-template-columns: .75fr 1.25fr; gap: 24px; align-items: start; }
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mission-grid b { display: block; color: var(--primary); margin-bottom: 24px; font-size: 13px; letter-spacing: .18em; }
.mission-grid p { margin: 0; color: rgba(255,255,255,.76); line-height: 1.7; }
footer {
  width: min(1180px, calc(100% - 36px));
  margin: 100px auto 0;
  padding: 28px 0 42px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: rgba(255,255,255,.45);
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
@keyframes float { 0%,100%{transform:translateY(0) rotate(-3deg)} 50%{transform:translateY(-22px) rotate(3deg)} }
@keyframes pulse { 0%,100%{transform:scale(.94);opacity:.48} 50%{transform:scale(1.08);opacity:.68} }
@keyframes rotateTexture { from{transform:translateX(-2%) scale(1.07)} to{transform:translateX(2%) scale(1.07)} }
@keyframes moon { from{transform:rotate(0deg) translateX(260px)} to{transform:rotate(360deg) translateX(260px)} }
@media (max-width: 980px) {
  .hero, .split, .mission { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; }
  .planet-stage { height: 480px; }
  .metrics, .mission-grid { grid-template-columns: 1fr 1fr; }
  nav { display: none; }
}
@media (max-width: 620px) {
  .metrics, .mission-grid { grid-template-columns: 1fr; }
  .topbar, main, footer { width: min(100% - 24px, 1180px); }
  .panel, .science-list { padding: 22px; border-radius: 24px; }
  footer { flex-direction: column; }
}