/* Strato Apps — shared styles.
   Black + green, stratosphere. No build step, no dependencies, no external fonts:
   the whole site is three HTML files and this stylesheet. */

:root {
  --void: #04060a;
  --deep: #080d14;
  --panel: #0c131c;
  --line: #1a2431;
  --text: #e9eff6;
  --muted: #8496ab;
  --green: #2be08a;
  --green-dim: #16a86a;
  --glow: rgba(43, 224, 138, 0.15);
  --radius: 14px;
  --measure: 68ch;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--void);
  color: var(--text);
  font: 400 17px/1.65 ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* The starfield. Three layers of fixed radial dots — no images, no JS. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%, rgba(255,255,255,.55), transparent),
    radial-gradient(1.2px 1.2px at 74% 12%, rgba(255,255,255,.40), transparent),
    radial-gradient(1.6px 1.6px at 38% 62%, rgba(255,255,255,.35), transparent),
    radial-gradient(1.1px 1.1px at 88% 48%, rgba(255,255,255,.45), transparent),
    radial-gradient(1.3px 1.3px at 22% 84%, rgba(255,255,255,.30), transparent),
    radial-gradient(1.2px 1.2px at 62% 92%, rgba(255,255,255,.35), transparent),
    radial-gradient(900px 520px at 78% -8%, var(--glow), transparent 70%);
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- header ---------- */

.site-head {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 6, 10, .8);
  backdrop-filter: blur(8px);
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.brand svg,
.brand-mark { display: block; flex: none; }
.brand span { color: var(--muted); font-weight: 500; }

.nav { display: flex; gap: 22px; flex-wrap: wrap; }

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}

.nav a:hover,
.nav a[aria-current="page"] { color: var(--green); }

/* ---------- hero ---------- */

.hero { padding: 84px 0 64px; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  max-width: 18ch;
}

.lede {
  font-size: clamp(18px, 2.4vw, 21px);
  color: var(--muted);
  max-width: 54ch;
  margin: 0 0 32px;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green);
  color: #04231a;
  font-weight: 650;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 10px;
}

.cta:hover { background: #4ef0a0; }

.cta-quiet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  padding: 13px 4px;
  margin-left: 14px;
}

.cta-quiet:hover { color: var(--text); }

/* ---------- content blocks ---------- */

section { padding: 26px 0 56px; }

h2 {
  font-size: clamp(22px, 3vw, 28px);
  letter-spacing: -0.02em;
  margin: 46px 0 14px;
}

h3 {
  font-size: 18px;
  letter-spacing: -0.01em;
  margin: 32px 0 8px;
}

p, li { max-width: var(--measure); }
p { margin: 0 0 16px; }
ul, ol { padding-left: 22px; margin: 0 0 18px; }
li { margin: 0 0 8px; }

a { color: var(--green); }
a:hover { color: #4ef0a0; }

strong { color: #fff; font-weight: 650; }

.muted { color: var(--muted); }

code {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: .9em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 26px 0 0;
}

.card {
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.note {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px;
  margin: 24px 0;
}

.note p:last-child { margin-bottom: 0; }

.meta {
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 8px;
}

/* Long-form legal + help pages read better narrower. */
.doc { padding-top: 56px; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); max-width: 24ch; }

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 30px 0 60px;
  color: var(--muted);
  font-size: 14px;
}

.site-foot .wrap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.site-foot a { color: var(--muted); text-decoration: none; }
.site-foot a:hover { color: var(--green); }

/* ---------- accessibility ---------- */

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 22px;
  top: 12px;
  z-index: 10;
  background: var(--green);
  color: #04231a;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 650;
}

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