/* Planetaria — astronomical-almanac / mission-control aesthetic.
   Self-contained (strict CSP: no external fonts, scripts, or images). */

:root {
  --ink:        #050810;   /* page space-black */
  --ink-raise:  #0b1222;   /* raised panels */
  --line:       #1b2942;   /* hairlines */
  --line-soft:  #131e33;
  --star:       #eef3ff;   /* primary text */
  --dim:        #93a1bf;   /* secondary text */
  --faint:      #5a6785;   /* tertiary / captions */
  --gold:       #e8c47a;   /* brass instrument accent */
  --cyan:       #6cc4ff;   /* telemetry accent */
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", Georgia, serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--star);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Starfield: two drifting layers of radial-gradient "stars" — pure CSS. */
body::before, body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  will-change: background-position;
  background-image:
    radial-gradient(1px 1px at 12% 24%, #cfe1ff 40%, transparent 60%),
    radial-gradient(1px 1px at 38% 68%, #ffffff 40%, transparent 60%),
    radial-gradient(1.5px 1.5px at 61% 15%, #aac6ff 40%, transparent 60%),
    radial-gradient(1px 1px at 74% 82%, #e5d9b8 40%, transparent 60%),
    radial-gradient(1px 1px at 89% 41%, #ffffff 40%, transparent 60%),
    radial-gradient(1.5px 1.5px at 25% 89%, #cfe1ff 40%, transparent 60%),
    radial-gradient(1px 1px at 50% 45%, #9fb8e8 40%, transparent 60%);
  background-size: 640px 640px;
  opacity: .5;
  animation: drift 240s linear infinite;
}
body::after {
  background-size: 990px 990px;
  opacity: .35;
  animation: drift2 380s linear infinite;
}
@keyframes drift  { to { background-position: 640px -640px; } }
@keyframes drift2 { to { background-position: -990px 990px; } }

main, header, footer, nav { position: relative; z-index: 1; }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 28px; }

/* ---- Top navigation ---- */
.nav {
  display: flex; align-items: baseline; gap: 28px;
  padding: 26px 0 22px;
  border-bottom: 1px solid var(--line-soft);
}
.nav .brand {
  font-size: 21px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--star); text-decoration: none; font-weight: 400;
}
.nav .brand em { font-style: normal; color: var(--gold); }
.nav .links { margin-left: auto; display: flex; gap: 22px; }
.nav a.item {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .08em;
  color: var(--dim); text-decoration: none; text-transform: uppercase;
}
.nav a.item:hover { color: var(--cyan); }
.nav a.item.buy { color: var(--gold); }
.nav a.item.buy:hover { color: #ffdf9e; }

/* ---- Telemetry captions (the site's signature) ---- */
.tele {
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--faint);
}
.tele b { color: var(--cyan); font-weight: 400; }

/* ---- Buttons ---- */
.btn {
  display: inline-block; text-decoration: none; cursor: pointer;
  font-family: var(--mono); font-size: 14px; letter-spacing: .1em; text-transform: uppercase;
  padding: 15px 30px; border-radius: 3px; border: 1px solid transparent;
}
.btn-gold { background: var(--gold); color: #14100a; font-weight: 700; }
.btn-gold:hover { background: #ffdf9e; }
.btn-line { border-color: var(--line); color: var(--dim); }
.btn-line:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---- Section scaffolding ---- */
section { padding: 92px 0; border-bottom: 1px solid var(--line-soft); }
.sec-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 44px; }
.sec-num {
  font-family: var(--mono); font-size: 12px; color: var(--gold);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px;
  letter-spacing: .1em;
}
h1, h2, h3 { font-weight: 400; line-height: 1.15; }
h2 { font-size: clamp(26px, 4vw, 38px); letter-spacing: .01em; }
h2 .g { color: var(--gold); font-style: italic; }
.lede { color: var(--dim); max-width: 640px; margin-top: 14px; font-size: 18px; }

/* ---- Hero ---- */
.hero { padding: 40px 0 90px; border-bottom: 1px solid var(--line-soft); }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 48px; align-items: center;
}
.hero h1 {
  font-size: clamp(40px, 6.4vw, 66px);
  letter-spacing: .01em; margin: 18px 0 20px;
}
.hero h1 em { font-style: italic; color: var(--gold); }
.hero .sub { color: var(--dim); font-size: 19px; max-width: 460px; }
.hero .cta { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero .fine { margin-top: 26px; }

.globe-stage { position: relative; display: grid; place-items: center; }
.globe-stage img,
.globe-stage video {
  width: min(430px, 82vw); height: auto; border-radius: 50%;
  filter: drop-shadow(0 0 42px rgba(108, 196, 255, .28))
          drop-shadow(0 26px 60px rgba(0, 0, 0, .8));
  animation: bob 9s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translateY(-10px); } }
.globe-stage .ring {
  position: absolute; border: 1px solid var(--line); border-radius: 50%;
  width: 118%; aspect-ratio: 1; opacity: .55;
  transform: rotateX(72deg);
}
.globe-stage .ring.r2 { width: 138%; opacity: .3; }
.globe-caption { margin-top: 26px; text-align: center; }

/* ---- Feature panels ---- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.panel {
  background: linear-gradient(180deg, var(--ink-raise), rgba(11, 18, 34, .35));
  border: 1px solid var(--line-soft); border-radius: 6px;
  padding: 30px; overflow: hidden;
}
.panel h3 { font-size: 22px; margin: 10px 0 10px; }
.panel p { color: var(--dim); font-size: 16px; }
.panel img { max-width: 100%; border-radius: 4px; display: block; margin-top: 22px; }
.panel.img-round img { border-radius: 50%; width: 72%; margin: 22px auto 4px; }
.panel-wide { grid-column: 1 / -1; }
.panel-wide img { margin-top: 26px; }

/* ---- Spec table ---- */
.specs { width: 100%; border-collapse: collapse; }
.specs td {
  padding: 15px 10px; border-bottom: 1px solid var(--line-soft);
  vertical-align: top; font-size: 16px;
}
.specs td:first-child {
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--faint);
  width: 220px; padding-top: 18px;
}
.specs td:last-child { color: var(--dim); }
.specs b { color: var(--star); font-weight: 400; }

/* ---- Steps ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step { border-top: 1px solid var(--line); padding-top: 22px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--mono); color: var(--gold); font-size: 13px; letter-spacing: .15em;
}
.step h3 { font-size: 20px; margin: 10px 0 8px; }
.step p { color: var(--dim); font-size: 15.5px; }

/* ---- Footer ---- */
footer { padding: 56px 0 70px; }
footer .cols { display: flex; gap: 34px; flex-wrap: wrap; align-items: baseline; }
footer a { color: var(--dim); text-decoration: none; font-family: var(--mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; }
footer a:hover { color: var(--cyan); }
footer .credit { margin-top: 30px; color: var(--faint); font-size: 13px; max-width: 640px; }

/* ---- Manual (long-form reading) ---- */
.doc { max-width: 780px; margin: 0 auto; padding: 56px 28px 110px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 6px; }
.doc h2 {
  font-size: 27px; margin: 64px 0 18px; padding-top: 26px;
  border-top: 1px solid var(--line-soft);
}
.doc h3 { font-size: 20px; margin: 34px 0 12px; color: var(--gold); }
.doc p { margin: 14px 0; color: #c7d1e6; }
.doc li { margin: 9px 0 9px 4px; color: #c7d1e6; }
.doc ul, .doc ol { padding-left: 26px; margin: 14px 0; }
.doc strong { color: var(--star); font-weight: 700; }
.doc em { color: var(--gold); }
.doc code {
  font-family: var(--mono); font-size: .86em; color: var(--cyan);
  background: rgba(108, 196, 255, .08); padding: 2px 6px; border-radius: 3px;
}
.doc pre {
  background: var(--ink-raise); border: 1px solid var(--line-soft); border-radius: 6px;
  padding: 18px; overflow-x: auto; margin: 18px 0;
}
.doc pre code { background: none; padding: 0; }
.doc blockquote {
  border-left: 2px solid var(--gold); margin: 18px 0; padding: 4px 0 4px 20px;
  color: var(--dim);
}
.doc table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.doc th {
  text-align: left; font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--faint); font-weight: 400;
  padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line);
}
.doc td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line-soft); color: #c7d1e6; vertical-align: top; }
.doc hr { border: 0; border-top: 1px solid var(--line-soft); margin: 44px 0; }
.doc a { color: var(--cyan); }
.doc .doc-tele { margin: 4px 0 40px; }
.doc-scroll { overflow-x: auto; }

/* ---- Installer page ---- */
.install-card {
  max-width: 560px; margin: 60px auto; padding: 46px 40px;
  background: linear-gradient(180deg, var(--ink-raise), rgba(11, 18, 34, .4));
  border: 1px solid var(--line-soft); border-radius: 8px;
}
.install-card h1 { font-size: 34px; margin: 6px 0 4px; }
.install-card ol { margin: 26px 0 30px 20px; color: var(--dim); }
.install-card li { margin: 12px 0; }
.install-card li b { color: var(--star); font-weight: 700; }
.warn { color: var(--gold); font-size: 14.5px; }
.port-note {
  margin-top: 28px; padding: 20px 22px; border-radius: 6px;
  background: rgba(232, 196, 122, .05); border: 1px solid rgba(232, 196, 122, .22);
}
.port-note p { color: var(--dim); font-size: 14.5px; line-height: 1.65; margin-top: 8px; }
.port-note b { color: var(--star); font-weight: 700; }
.install-note {
  margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line-soft);
  color: var(--faint); font-size: 14px; line-height: 1.7;
}

@media (prefers-reduced-motion: reduce) {
  body::before, body::after, .globe-stage img, .globe-stage video { animation: none; }
  html { scroll-behavior: auto; }
}

@media (max-width: 860px) {
  .hero-grid, .duo { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .globe-stage { order: -1; }
  section { padding: 64px 0; }
  .nav .links { gap: 14px; }
}