:root {
  --void:   #080b12;
  --panel:  #10151f;
  --panel-2:#151c28;
  --line:   #222c3d;
  --ink:    #eef2f8;
  --muted:  #808b9f;
  --cyan:   #35e0d5;
  --cyan-dim: #1c8f89;
  --violet: #6a3fb0;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, "Cascadia Code", "Roboto Mono", monospace;
  --wrap: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 18px;
}

h1, h2, h3 { text-wrap: balance; margin: 0; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1.08; }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }
p { margin: 0; }
.lede { color: #c3ccdb; font-size: 1.16rem; line-height: 1.6; }
.muted { color: var(--muted); }

/* ---------- top nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--void) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: baseline; gap: 11px; font-weight: 800; letter-spacing: -0.02em; font-size: 1.02rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px 1px var(--cyan); align-self: center; }
.nav-links { display: flex; gap: 26px; font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--ink); }
@media (max-width: 620px) { .nav-links { display: none; } }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 88vh; display: flex; align-items: center; overflow: hidden; }
.hero.hero-sm { min-height: 66vh; }
#orbit { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; }
.hero-veil { position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(60% 55% at 22% 45%, transparent 40%, var(--void) 100%),
    linear-gradient(90deg, var(--void) 8%, transparent 55%); }
.hero .wrap { position: relative; z-index: 2; padding-top: 80px; padding-bottom: 80px; }
.hero-content { max-width: 640px; }
.hero h1 {
  font-size: clamp(2.9rem, 7.2vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 22px;
}
.hero.hero-sm h1 { font-size: clamp(2.4rem, 5.4vw, 3.9rem); }
.hero h1 .sweep { color: var(--cyan); }
.hero .sub { font-size: 1.24rem; line-height: 1.55; color: #cfd7e4; max-width: 30em; margin: 0 0 34px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .03em;
  padding: 13px 22px; border-radius: 7px; font-weight: 500;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--cyan); color: #04110f; font-weight: 700; }
.btn-primary:hover { background: #58ece2; text-decoration: none; }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--cyan-dim); color: var(--cyan); text-decoration: none; }

/* ---------- section rhythm ---------- */
section { padding: 92px 0; border-top: 1px solid var(--line); }
section:first-of-type { border-top: none; }
.sec-head { max-width: 34em; margin-bottom: 48px; }
.sec-head p { margin-top: 16px; }

/* ---------- sub-page header (non-hero pages) ---------- */
.page-head { padding: 120px 0 8px; }
.page-head .eyebrow { margin-bottom: 14px; }
.page-head h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); line-height: 1.05; }
.page-head .lede { margin-top: 20px; max-width: 34em; }
.crumb { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .04em; margin-bottom: 20px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--ink); text-decoration: none; }

/* ---------- dev intro ---------- */
.intro-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 54px; align-items: start; }
@media (max-width: 760px) { .intro-grid { grid-template-columns: 1fr; gap: 34px; } }
.creed { display: flex; flex-direction: column; gap: 18px; }
.creed .line { display: flex; gap: 14px; align-items: baseline; }
.creed .k { font-family: var(--font-mono); font-size: 12px; color: var(--cyan); letter-spacing: .1em; min-width: 74px; text-transform: uppercase; }

/* ---------- spacewar feature ---------- */
.flag { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.badge { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--cyan); border: 1px solid var(--cyan-dim); border-radius: 999px; padding: 4px 11px; }
.pitch { font-size: clamp(1.5rem, 3vw, 2.05rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; max-width: 18em; text-wrap: balance; }
.idea { margin-top: 26px; max-width: 40em; color: #c3ccdb; font-size: 1.12rem; }
.idea b { color: var(--ink); font-weight: 600; }

/* section sub-label (mono, uppercase) */
.sub-label { margin: 56px 0 22px; font-family: var(--font-mono); font-weight: 600; letter-spacing: .04em; color: var(--muted); font-size: .86rem; text-transform: uppercase; }

/* ---------- controls as telemetry ---------- */
.controls { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
@media (max-width: 680px) { .controls { grid-template-columns: 1fr; } }
.ctrl { background: var(--panel); padding: 26px 26px 28px; display: flex; flex-direction: column; gap: 9px; }
.ctrl .tag { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); }
.ctrl h3 { font-size: 1.06rem; }
.ctrl p { color: var(--muted); font-size: 0.98rem; line-height: 1.55; }

.specs { display: flex; flex-wrap: wrap; gap: 10px 34px; margin-top: 34px; font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.specs b { color: var(--ink); font-weight: 500; }

/* ---------- feature teaser (landing → spacewar) ---------- */
.teaser { display: grid; grid-template-columns: 1fr; gap: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.teaser .body { padding: 40px; }
.teaser .pitch { margin-bottom: 18px; }

/* ---------- support + privacy split ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .duo { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 34px; }
.card h3 { margin-bottom: 14px; }
.card p { color: var(--muted); font-size: 0.99rem; }
.card .mono-line { font-family: var(--font-mono); font-size: 14px; margin-top: 18px; color: var(--ink); }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--muted); font-size: 0.97rem; }
.card li { margin: 7px 0; }

.prose { max-width: 40em; }
.prose p { color: #c3ccdb; font-size: 1.05rem; margin-top: 18px; }
.prose p:first-child { margin-top: 0; }

/* ---------- footer / homage ---------- */
footer { border-top: 1px solid var(--line); padding: 68px 0 54px; }
.homage { max-width: 40em; }
.homage .eyebrow { color: var(--muted); }
.homage p { color: #aeb7c6; font-size: 1.04rem; }
.foot-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 46px;
  padding-top: 26px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
.foot-bar a { color: var(--muted); }
.foot-bar a:hover { color: var(--ink); text-decoration: none; }
.foot-bar .free { color: var(--cyan); }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }