/* ============ Asteroid Tracker — landing page ============ */
:root {
  --bg: #07090f;
  --bg2: #0b0e17;
  --panel: #0e1220;
  --card: #121729;
  --line: #1e2540;
  --text: #d7ddee;
  --muted: #7a86a8;
  --accent: #58c7ff;
  --accent2: #2a7fff;
  --hazard: #ff5470;
  --warn: #ffb347;
  --green: #46e0c0;
  --moon: #c9d2e8;
  --rock: #b9a98f;
  --font: "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ---------- nav ---------- */
#nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7, 9, 15, .82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
#nav .wrap { display: flex; align-items: center; gap: 20px; height: 56px; }
.brand { display: flex; align-items: baseline; gap: 9px; color: var(--text); font-weight: 700; letter-spacing: 2.5px; font-size: 15px; }
.brand:hover { text-decoration: none; }
.brand-rock {
  width: 13px; height: 13px; border-radius: 42% 58% 55% 45%; align-self: center;
  background: radial-gradient(circle at 35% 30%, #d8cbb2, var(--rock) 55%, #6f6455);
  box-shadow: 0 0 8px rgba(185, 169, 143, .5);
}
#nav nav { margin-left: auto; display: flex; gap: 18px; align-items: center; }
#nav nav a { color: var(--muted); font-size: 12px; }
#nav nav a:hover { color: var(--accent); text-decoration: none; }
#nav a.cta-mini {
  color: var(--bg); background: var(--accent); border-radius: 6px;
  padding: 6px 14px; font-weight: 700;
}
#nav a.cta-mini:hover { background: #7cd4ff; }

/* ---------- hero ---------- */
#hero { padding: 72px 0 56px; }
#hero .wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--green); font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; }
#hero h1 { font-size: 42px; line-height: 1.14; letter-spacing: -0.5px; margin: 14px 0 18px; }
#hero h1 .hl { color: var(--accent); }
#hero .sub { color: var(--muted); font-size: 14px; max-width: 46ch; }
.cta-row { display: flex; gap: 12px; margin: 26px 0 22px; flex-wrap: wrap; }
.cta {
  display: inline-block; padding: 11px 22px; border-radius: 8px; font-weight: 700;
  color: var(--bg); background: var(--accent); border: 1px solid var(--accent);
}
.cta:hover { background: #7cd4ff; text-decoration: none; }
.cta.ghost { color: var(--text); background: transparent; border-color: var(--line); }
.cta.ghost:hover { border-color: var(--accent); color: var(--accent); }
#stat-chips { display: flex; gap: 10px; flex-wrap: wrap; min-height: 30px; }
.chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px;
  font-size: 11px; color: var(--muted); background: var(--panel);
}
.chip b { color: var(--text); font-weight: 700; }
.chip .dot { color: var(--green); }

.hero-frame {
  position: relative; display: block; border: 1px solid var(--line); border-radius: 14px;
  background: var(--bg2); overflow: hidden;
  box-shadow: 0 0 90px rgba(88, 199, 255, .09), 0 24px 60px rgba(0, 0, 0, .5);
}
a.hero-frame:hover { border-color: var(--accent); text-decoration: none; }
a.hero-frame:hover .cap-cta { color: var(--accent); }
#hero-canvas { display: block; width: 100%; aspect-ratio: 10 / 8.5; }
.hero-frame img.poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 14px;
  font-size: 11px; color: var(--muted);
  background: linear-gradient(transparent, rgba(7, 9, 15, .88));
  display: flex; justify-content: space-between; gap: 10px;
}
.hero-cap b { color: var(--text); font-weight: 400; }

/* ---------- sections ---------- */
section.block { padding: 64px 0; border-top: 1px solid var(--line); }
section.block h2 { font-size: 24px; letter-spacing: -0.3px; margin-bottom: 8px; }
section.block .lede { color: var(--muted); max-width: 62ch; margin-bottom: 34px; }

#features .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 18px 18px;
}
.feat .glyph { font-size: 17px; color: var(--accent); }
.feat h3 { font-size: 13.5px; margin: 10px 0 7px; }
.feat p { color: var(--muted); font-size: 12px; }

#how .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { border: 1px solid var(--line); border-radius: 12px; padding: 20px 18px; background: var(--panel); }
.step .n {
  display: inline-block; width: 26px; height: 26px; line-height: 26px; text-align: center;
  border: 1px solid var(--accent); border-radius: 50%; color: var(--accent); font-size: 12px;
}
.step h3 { font-size: 13.5px; margin: 12px 0 7px; }
.step p { color: var(--muted); font-size: 12px; }
.step code { color: var(--accent); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 40px 0 54px; color: var(--muted); font-size: 12px; }
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; }
footer h4 { color: var(--text); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; }
footer ul { list-style: none; }
footer li { margin-bottom: 6px; }
footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }
footer .fine { margin-top: 26px; font-size: 11px; color: #525c78; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  #hero .wrap { grid-template-columns: 1fr; }
  #hero h1 { font-size: 32px; }
  #features .grid, #how .steps { grid-template-columns: 1fr; }
  footer .wrap { grid-template-columns: 1fr; }
  #nav nav .hide-m { display: none; }
}