:root {
  --bg: #07070f;
  --panel: #10101e;
  --line: #23233a;
  --text: #e9e9f4;
  --muted: #9a9ab4;
  --cyan: #3ff3ff;
  --magenta: #ff2fa8;
  --acid: #e6ff3f;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); }
a:hover { color: var(--acid); }

.wrap { width: min(1100px, 100% - 32px); margin-inline: auto; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgb(7 7 15 / 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 800; letter-spacing: 0.12em; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.top nav { display: flex; gap: 18px; font-size: 15px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--text); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 56px; text-align: center; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 20% 10%, rgb(255 47 168 / 0.18), transparent 70%),
    radial-gradient(50% 50% at 85% 20%, rgb(63 243 255 / 0.16), transparent 70%);
  pointer-events: none;
}
.hero h1 {
  position: relative;
  margin: 0;
  font-size: clamp(56px, 13vw, 132px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: 0 0 18px rgb(63 243 255 / 0.75), 0 0 48px rgb(63 243 255 / 0.35);
}
.hero .tag { position: relative; margin: 18px auto 0; max-width: 44ch; font-size: clamp(18px, 2.6vw, 22px); color: var(--muted); }
.cta { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px;
  font-weight: 700; text-decoration: none;
  border: 1px solid var(--line); color: var(--text); background: var(--panel);
}
.btn.primary { background: var(--cyan); color: #04121a; border-color: var(--cyan); box-shadow: 0 0 24px rgb(63 243 255 / 0.4); }
.btn.primary:hover { color: #04121a; background: #8ff8ff; }
.btn:hover { border-color: var(--cyan); color: var(--text); }
.btn small { font-weight: 500; opacity: 0.75; }
.hero-shot {
  position: relative; display: block; width: 100%; max-width: 960px; margin: 48px auto 0;
  border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgb(0 0 0 / 0.6), 0 0 0 1px rgb(63 243 255 / 0.08);
}

/* Sections */
section { padding: 64px 0; border-top: 1px solid var(--line); }
section h2 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 38px); letter-spacing: 0.02em; }
section .lead { margin: 0 0 32px; color: var(--muted); max-width: 60ch; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: 1px; }
.c { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.m { background: var(--magenta); box-shadow: 0 0 10px var(--magenta); }
.a { background: var(--acid); box-shadow: 0 0 10px var(--acid); }

.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.shots img { width: 100%; height: auto; display: block; border-radius: 10px; border: 1px solid var(--line); }

.download { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.download .card a.btn { margin-top: 14px; }
.note { font-size: 14px; color: var(--muted); }

/* Prose pages */
.prose { padding: 48px 0 72px; max-width: 760px; }
.prose h1 { font-size: clamp(32px, 5vw, 44px); margin: 0 0 4px; }
.prose h2 { font-size: 22px; margin: 36px 0 8px; }
.prose .updated { color: var(--muted); margin: 0 0 24px; }
.prose li { margin: 4px 0; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer a { color: var(--muted); }

@media (max-width: 560px) {
  .top nav { gap: 12px; font-size: 14px; }
  .top nav .opt { display: none; }
  section { padding: 48px 0; }
}