:root {
  --bg: #04050a;
  --surface: rgba(18, 21, 32, 0.72);
  --surface-2: rgba(30, 35, 52, 0.7);
  --border: rgba(140, 155, 210, 0.16);
  --text: #eef0f7;
  --muted: #9aa1b8;
  --accent: #8b9bff;
  --accent-2: #5fe3d6;
  --warm: #ffb46b;
  --glow: rgba(110, 130, 255, 0.35);
  --radius: 16px;
  --max: 1160px;
  --display: "Space Grotesk", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 Inter, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
main { position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--display); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.gradient-text {
  background: linear-gradient(100deg, #fff 10%, var(--accent) 45%, var(--accent-2) 75%, var(--warm));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* A quiet starfield behind everything. */
.shell-stars {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.7;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 12%, #cfd6ff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 38% 64%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 86% 72%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 22% 86%, #bfefff 50%, transparent 51%),
    radial-gradient(1px 1px at 56% 38%, #fff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 34%, #ffe8cf 50%, transparent 51%),
    radial-gradient(1px 1px at 5% 50%, #fff 50%, transparent 51%);
  background-size: 640px 640px;
}

.shell-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.shell-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(4, 5, 10, 0.6);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.shell-header .shell-inner { height: 68px; }
.shell-brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.shell-mark {
  width: 24px; height: 24px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #fff 0, var(--accent-2) 22%, var(--accent) 55%, #2a2f6b 100%);
  box-shadow: 0 0 18px var(--glow);
}
.shell-nav { display: flex; gap: 24px; margin-left: auto; }
.shell-nav a { color: var(--muted); font-weight: 500; font-size: 0.95rem; transition: color 0.15s; }
.shell-nav a:hover, .shell-nav a[aria-current="page"] { color: var(--text); }

.shell-account { position: relative; }
.shell-menu summary { list-style: none; gap: 8px; }
.shell-menu summary::-webkit-details-marker { display: none; }
.shell-avatar {
  display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04050a; font-size: 0.8rem; font-weight: 700;
}
.shell-menu-list {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 180px; padding: 6px;
  display: grid; background: #0e111b; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}
.shell-menu-list a, .shell-menu-list button {
  all: unset; cursor: pointer; padding: 9px 12px; border-radius: 8px; font-size: 0.95rem;
}
.shell-menu-list a:hover, .shell-menu-list button:hover { background: var(--surface-2); }

.shell-footer { position: relative; z-index: 1; border-top: 1px solid var(--border); margin-top: 120px; padding: 48px 0 32px; background: rgba(4, 5, 10, 0.7); }
.shell-footer-inner { justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; }
.shell-footer-inner .muted { margin: 10px 0 0; max-width: 320px; }
.shell-links nav { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.shell-links a { color: var(--muted); }
.shell-links a:hover { color: var(--text); }
.shell-legal { margin-top: 32px; font-size: 0.85rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px; font: inherit; font-weight: 600; font-size: 0.95rem;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text); cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
}
.btn:hover { filter: brightness(1.12); }
.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2)); border-color: transparent; color: #04050a;
  box-shadow: 0 8px 30px var(--glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 36px var(--glow); }
.btn-lg { padding: 14px 26px; font-size: 1.02rem; }

.section { position: relative; max-width: var(--max); margin: 0 auto; padding: 96px 16px 0; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.eyebrow {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px;
}
.lead { font-size: 1.2rem; color: var(--muted); max-width: 680px; }

/* Tags and type chips, used across pages. */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 0.78rem; padding: 3px 10px; border-radius: 999px; background: rgba(139, 155, 255, 0.12); border: 1px solid rgba(139, 155, 255, 0.3); color: var(--text); }
.tag-type { background: rgba(95, 227, 214, 0.1); border-color: rgba(95, 227, 214, 0.35); }

/* Planet pictures have black skies: "screen" lets them glow over the page. */
.planet {
  mix-blend-mode: screen; pointer-events: none; user-select: none;
  -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 78%, transparent 100%);
  mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 78%, transparent 100%);
}

/* A page header with a planet beside the title (used by inner pages). */
.page-hero { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 24px; padding-top: 64px; }
.page-hero .planet { width: 100%; max-width: 460px; justify-self: end; filter: drop-shadow(0 0 60px var(--glow)); }

@media (max-width: 820px) {
  .shell-header .shell-inner { height: auto; flex-wrap: wrap; padding-top: 12px; padding-bottom: 10px; row-gap: 8px; }
  .shell-nav { order: 3; width: 100%; margin-left: 0; gap: 20px; overflow-x: auto; scrollbar-width: none; }
  .shell-nav:empty { display: none; }
  .shell-account { margin-left: auto; }
  .page-hero { grid-template-columns: 1fr; }
  .page-hero .planet { justify-self: center; max-width: 280px; order: -1; }
}