:root {
  --bg: #050a2a;
  --bg-2: #0a1440;
  --ink: #eef2ff;
  --ink-2: #aab4d6;
  --ink-3: #6f7ba3;
  --line: rgba(170, 180, 214, .14);
  --blue: #3d7bff;
  --blue-2: #7fb0ff;
  --mint: #55f0c0;
  --card: rgba(12, 22, 70, .55);
  --display: "Bricolage Grotesque", "Helvetica Neue", sans-serif;
  --body: "Instrument Sans", "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 18px;
  --gutter: clamp(20px, 5vw, 64px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--body); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; letter-spacing: -.02em; margin: 0; }
h2 { font-size: clamp(30px, 4vw, 46px); margin-bottom: 36px; font-variation-settings: "opsz" 96; }
h4 { font-size: 19px; margin-bottom: 6px; }
p { margin: 0; }
img { max-width: 100%; display: block; }
main { position: relative; z-index: 1; }
section { padding: clamp(56px, 9vw, 120px) var(--gutter); max-width: 1180px; margin: 0 auto; }

/* Background orbit */
.orbit-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.orbit-bg svg { width: 100%; height: 100%; }
.orbit-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}
.ring ellipse { fill: none; stroke: var(--blue); stroke-width: 1.2; opacity: .35; }
.ring-b ellipse { stroke: var(--blue-2); opacity: .2; }
.ring, .sat { transform-origin: 600px 600px; }
.ring-a { transform: rotate(-22deg); }
.ring-b { transform: rotate(-22deg) scale(.72); animation: breathe 14s ease-in-out infinite; }
.sat circle { fill: var(--mint); filter: drop-shadow(0 0 10px var(--mint)); }
.sat { animation: orbit 26s linear infinite; }
@keyframes orbit {
  from { transform: rotate(-22deg) scaleY(.2885) rotate(0deg) scaleY(3.466); }
  to   { transform: rotate(-22deg) scaleY(.2885) rotate(360deg) scaleY(3.466); }
}
@keyframes breathe { 0%,100% { opacity: .9 } 50% { opacity: .5 } }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--gutter);
  backdrop-filter: blur(14px); background: rgba(5, 10, 42, .55);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 20px; }
.brand img { border-radius: 8px; }
.nav nav { display: flex; align-items: center; gap: 22px; font-size: 15px; color: var(--ink-2); }
.nav nav a:hover { color: var(--ink); }
.lang {
  font: inherit; color: var(--ink); background: transparent;
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; cursor: pointer;
}
.lang:hover { border-color: var(--blue-2); }

/* Hero */
.hero {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
  min-height: min(calc(100vh - 70px), 820px); padding-top: 40px; padding-bottom: 40px;
}
.hero > *, .feature-grid > *, .install-grid > *, .panel-shot > *, .steps > *, .steps li > div, .privacy > div { min-width: 0; }
section { max-width: min(1180px, 100%); }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--mint); margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(46px, 7vw, 92px); line-height: .98; font-weight: 800;
  font-variation-settings: "opsz" 96, "wght" 800;
  animation: rise .9s cubic-bezier(.2,.8,.2,1) both;
}
.lede { font-size: 19px; color: var(--ink-2); max-width: 52ch; margin: 28px 0 34px; animation: rise .9s .1s cubic-bezier(.2,.8,.2,1) both; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; animation: rise .9s .2s cubic-bezier(.2,.8,.2,1) both; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; font-weight: 600; font-size: 16px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn.primary { background: var(--blue); color: #fff; box-shadow: 0 10px 40px rgba(61,123,255,.35); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 50px rgba(61,123,255,.5); }
.btn.primary small { font-family: var(--mono); font-weight: 500; font-size: 12px; opacity: .8; }
.btn.ghost { border: 1px solid var(--line); color: var(--ink); }
.btn.ghost:hover { border-color: var(--blue-2); }
.fine { font-size: 13px; color: var(--ink-3); margin-top: 22px; animation: rise .9s .3s cubic-bezier(.2,.8,.2,1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(18px) } to { opacity: 1; transform: none } }

/* Demo */
.hero-demo { animation: rise 1s .25s cubic-bezier(.2,.8,.2,1) both; }
.fake-window {
  border-radius: 14px; overflow: hidden; background: #0f1a4d;
  border: 1px solid rgba(170,180,214,.18); box-shadow: 0 30px 80px rgba(0,0,0,.5);
  transition: filter .5s ease, opacity .5s ease; cursor: crosshair;
}
.hero-demo.away .fake-window { filter: blur(14px) brightness(.7); }
.fake-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: rgba(255,255,255,.04); font-size: 12px; color: var(--ink-3); }
.fake-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.fake-bar i:nth-child(2) { background: #febc2e } .fake-bar i:nth-child(3) { background: #28c840; margin-right: 8px; }
.fake-body { padding: 22px; display: grid; gap: 12px; }
.fake-line { height: 11px; border-radius: 6px; background: linear-gradient(90deg, rgba(170,180,214,.35), rgba(170,180,214,.12)); }
.fake-block { height: 110px; border-radius: 10px; background: linear-gradient(135deg, rgba(61,123,255,.5), rgba(85,240,192,.25)); }
.w80{width:80%} .w60{width:60%} .w90{width:90%} .w40{width:40%} .w70{width:70%} .w50{width:50%}
.demo-hint { display: flex; gap: 10px; align-items: center; margin-top: 16px; font-size: 14px; color: var(--ink-2); }
.demo-hint .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px var(--mint); flex: none; transition: background .3s, box-shadow .3s; }
.hero-demo.away .demo-hint .dot { background: #ff9f43; box-shadow: 0 0 12px #ff9f43; }

/* Features */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.feature {
  position: relative; padding: 34px 30px 30px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); backdrop-filter: blur(10px);
  transition: transform .3s, border-color .3s;
}
.feature:hover { transform: translateY(-4px); border-color: rgba(127,176,255,.4); }
.num { font-family: var(--mono); color: var(--mint); font-size: 13px; letter-spacing: .1em; margin-bottom: 18px; }
.feature h3 { font-size: 26px; margin-bottom: 12px; }
.feature p { color: var(--ink-2); }
.feature ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--ink-2); font-size: 15px; }
.feature li::before { content: "◦"; color: var(--mint); margin-right: 10px; }

.panel-shot {
  display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: center;
  margin-top: 72px; padding: 40px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(61,123,255,.14), rgba(85,240,192,.06)); border: 1px solid var(--line);
}
.panel-shot img { border-radius: 14px; box-shadow: 0 30px 70px rgba(0,0,0,.5); }
.panel-notes { display: grid; gap: 18px; color: var(--ink-2); }
.panel-notes strong { color: var(--ink); }

/* How */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.steps li { display: flex; gap: 16px; }
.step-n {
  flex: none; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--display); font-weight: 700; background: var(--blue); color: #fff;
}
.steps p { color: var(--ink-2); font-size: 15px; }
.privacy {
  margin-top: 56px; display: flex; gap: 24px; align-items: flex-start;
  padding: 30px; border-radius: var(--radius); border: 1px dashed rgba(85,240,192,.35); background: rgba(85,240,192,.04);
}
.privacy-mark { color: var(--mint); flex: none; }
.privacy p { color: var(--ink-2); }

/* Install */
.install-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.card { padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.card p { color: var(--ink-2); margin-bottom: 14px; }
pre {
  margin: 0; padding: 16px 18px; border-radius: 12px; overflow-x: auto;
  background: #030716; border: 1px solid var(--line);
  font-family: var(--mono); font-size: 13.5px; line-height: 1.7; color: var(--blue-2);
}
.req { width: 100%; margin-top: 30px; border-collapse: collapse; font-size: 15px; }
.req th { text-align: left; padding: 14px 16px 14px 0; color: var(--ink-3); font-weight: 500; width: 160px; vertical-align: top; }
.req td { padding: 14px 0; border-top: 1px solid var(--line); color: var(--ink-2); }
.req tr:first-child td { border-top: 0; }

/* FAQ */
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-family: var(--display); font-weight: 600; font-size: 19px; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::after { content: "+"; color: var(--mint); font-weight: 400; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--ink-2); margin-top: 12px; max-width: 70ch; }

/* Footer */
footer {
  position: relative; z-index: 1; padding: 40px var(--gutter) 60px; max-width: 1180px; margin: 0 auto;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  color: var(--ink-3); font-size: 14px; border-top: 1px solid var(--line);
}
footer a { color: var(--ink-2); } footer a:hover { color: var(--ink); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .feature-grid, .install-grid { grid-template-columns: 1fr; }
  .panel-shot { grid-template-columns: 1fr; justify-items: center; }
  .steps { grid-template-columns: 1fr; }
  .nav nav a:not([href*="github"]) { display: none; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .nav nav { gap: 14px; }
}