:root {
  color-scheme: dark;
  --bg: #07100e;
  --surface: #0d1a17;
  --surface-2: #12241f;
  --ink: #ecfff8;
  --muted: #9cb8ae;
  --line: #24443a;
  --mint: #65f0bd;
  --cyan: #5ed9f0;
  --amber: #ffc36a;
  --red: #ff6f82;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 4%, rgba(94, 217, 240, .12), transparent 30rem),
    radial-gradient(circle at 5% 32%, rgba(101, 240, 189, .09), transparent 26rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }
.nav {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { text-decoration: none; font-weight: 760; letter-spacing: -.02em; }
.brand span { color: var(--mint); margin-right: .35rem; }
.nav nav { display: flex; gap: 1.4rem; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: .9rem; }
.nav nav a:hover { color: var(--ink); }

main { overflow: hidden; }
.hero {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 7rem 0 5rem;
  text-align: center;
}
.eyebrow {
  color: var(--mint);
  font: 700 .76rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; line-height: 1.08; }
h1 {
  max-width: 920px;
  margin: 1.1rem auto 1.4rem;
  font-size: clamp(3rem, 8vw, 6.7rem);
  letter-spacing: -.065em;
}
.lede {
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.1vw, 1.35rem);
}
.actions { display: flex; justify-content: center; gap: .8rem; margin: 2.1rem 0 3.5rem; }
.button { padding: .78rem 1.1rem; border-radius: 8px; text-decoration: none; font-weight: 700; }
.button.primary { background: var(--mint); color: #06100d; }
.button.secondary { border: 1px solid var(--line); background: rgba(13, 26, 23, .72); }
.button:hover { transform: translateY(-1px); }

.terminal {
  max-width: 850px;
  margin: 0 auto;
  text-align: left;
  overflow: hidden;
  border: 1px solid #31594c;
  border-radius: 14px;
  background: rgba(5, 13, 11, .9);
  box-shadow: 0 35px 90px rgba(0, 0, 0, .36);
}
.terminal-bar { height: 45px; display: flex; align-items: center; gap: .45rem; padding: 0 1rem; border-bottom: 1px solid var(--line); background: var(--surface); }
.terminal-bar span { width: 10px; height: 10px; border-radius: 50%; background: #365149; }
.terminal-bar strong { margin-left: .55rem; color: var(--muted); font: 500 .75rem ui-monospace, monospace; }
pre { margin: 0; padding: clamp(1.2rem, 4vw, 2rem); overflow-x: auto; color: #cfe8df; font: 500 .86rem/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; }
.prompt, .low { color: var(--cyan); }
.critical { color: var(--red); }
.high { color: var(--amber); }

.privacy-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(13, 26, 23, .72);
}
.privacy-strip div { padding: 1.4rem; }
.privacy-strip div + div { border-left: 1px solid var(--line); }
.privacy-strip strong, .privacy-strip span { display: block; }
.privacy-strip strong { color: var(--mint); }
.privacy-strip span { color: var(--muted); margin-top: .3rem; font-size: .9rem; }

.section { width: min(1160px, calc(100% - 2rem)); margin: 0 auto; padding: 7rem 0; }
.section-copy { max-width: 610px; margin-bottom: 2.5rem; }
h2 { margin-top: .75rem; font-size: clamp(2.2rem, 5vw, 4.4rem); letter-spacing: -.052em; }
.section-copy p, .boundary p, .install p { color: var(--muted); font-size: 1.05rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.grid article { min-height: 210px; padding: 1.5rem; background: var(--surface); }
.grid article > span { color: var(--cyan); font: 700 .72rem ui-monospace, monospace; }
.grid h3 { margin: 2.2rem 0 .7rem; font-size: 1.25rem; }
.grid p { margin: 0; color: var(--muted); }

.install { display: grid; grid-template-columns: .75fr 1.25fr; gap: 4rem; align-items: start; }
.commands { display: grid; gap: .8rem; }
.commands div { padding: 1rem; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }
.commands span { display: block; color: var(--muted); font-size: .78rem; margin-bottom: .5rem; }
.commands code { display: block; overflow-x: auto; color: var(--mint); font: 500 .8rem/1.55 ui-monospace, monospace; }
.boundary { max-width: 900px; text-align: center; padding-top: 2rem; }
.boundary p { max-width: 720px; margin: 1.2rem auto 0; }

footer { width: min(1160px, calc(100% - 2rem)); margin: 4rem auto 0; padding: 1.5rem 0 2rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--muted); font-size: .86rem; }
footer a { color: var(--ink); }

@media (max-width: 760px) {
  .nav nav a:not(:last-child) { display: none; }
  .hero { padding-top: 4.5rem; }
  .actions { flex-direction: column; align-items: stretch; }
  .privacy-strip, .grid, .install { grid-template-columns: 1fr; }
  .privacy-strip div + div { border-left: 0; border-top: 1px solid var(--line); }
  .install { gap: 2rem; }
  footer { flex-direction: column; gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button:hover { transform: none; }
}