:root {
  --ink: #101828;
  --ink-2: #475467;
  --line: #e4e7ec;
  --bg: #ffffff;
  --bg-2: #f6f7f9;
  --navy: #0b1530;
  --navy-2: #16234a;
  --accent: #2f6bff;
  --amber: #f2a33a;
  --red: #e5484d;
  --green: #2fb573;
  --max: 1080px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  line-height: 1.55;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); font-size: 17px; }
a { color: var(--accent); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; }

/* Header */
.top { background: var(--navy); color: #fff; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 18px; letter-spacing: 0.01em; }
.mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; background: var(--accent); color: #fff; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px; font-weight: 700; }
.nav ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; flex-wrap: wrap; }
.nav ul a { color: #c9d3ea; text-decoration: none; font-size: 15px; }
.nav ul a:hover { color: #fff; }

/* Hero */
.hero { padding: 56px 0 0; }
.eyebrow { color: var(--amber); font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 14px; }
.hero h1 { font-size: clamp(34px, 5.2vw, 56px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -0.02em; max-width: 17ch; }
.lede { font-size: clamp(18px, 2vw, 21px); color: #c9d3ea; max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 14px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 8px; font-weight: 650; text-decoration: none; font-size: 16px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #1f58e6; }
.btn-ghost { color: #fff; border: 1px solid #3a4a78; }
.btn-ghost:hover { border-color: #8fa2d8; }
.fine { color: #93a1c4; font-size: 14px; margin: 0; }
.clock { display: flex; flex-wrap: wrap; gap: 12px; margin: 34px 0 0; }
.tile { background: var(--navy-2); border: 1px solid #26366a; border-left: 4px solid var(--green); border-radius: 8px; padding: 12px 16px; min-width: 190px; flex: 1; }
.tile.warn { border-left-color: var(--amber); }
.tile.bad { border-left-color: var(--red); }
.tile .k { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: #93a1c4; }
.tile .v { font-size: 26px; font-weight: 700; }
.tile .s { font-size: 13px; color: #c9d3ea; }
.shot { margin: 38px 0 0; }
.shot img { display: block; width: 100%; height: auto; border-radius: 12px 12px 0 0; border: 1px solid #26366a; border-bottom: 0; box-shadow: 0 -10px 60px rgba(47, 107, 255, 0.18); }
.shot figcaption { position: absolute; left: -9999px; }

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
.sub { color: var(--ink-2); max-width: 66ch; margin: 0 0 32px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--ink-2); font-size: 16px; }
.num { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--accent); font-weight: 700; font-size: 14px; display: block; margin-bottom: 10px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.list { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.list li { padding-left: 28px; position: relative; }
.list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 14px; height: 8px; border-left: 3px solid var(--green); border-bottom: 3px solid var(--green); transform: rotate(-45deg); }
.list strong { display: block; }
.list span { color: var(--ink-2); }
.steps { counter-reset: s; margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.steps li { counter-increment: s; padding-left: 44px; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; }
.note { border-left: 4px solid var(--amber); background: #fff8ec; padding: 14px 18px; border-radius: 0 8px 8px 0; color: #5b3a05; }
.install { background: var(--navy); color: #fff; border-radius: 14px; padding: 36px; display: grid; gap: 14px; }
.install p { margin: 0; color: #c9d3ea; max-width: 64ch; }
.install h2 { margin: 0; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--ink-2); font-size: 14px; }
footer .row { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
footer ul { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; flex-wrap: wrap; }
footer p { margin: 14px 0 0; max-width: 90ch; }

/* Legal pages */
.doc { max-width: 760px; margin: 0 auto; padding: 48px 24px 72px; }
.doc h1 { font-size: clamp(30px, 4vw, 40px); margin: 0 0 6px; letter-spacing: -0.01em; }
.doc .date { color: var(--ink-2); margin: 0 0 28px; }
.doc h2 { font-size: 22px; margin: 34px 0 10px; }
.doc li { margin-bottom: 6px; }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .two { grid-template-columns: 1fr; gap: 28px; }
  section { padding: 48px 0; }
  .install { padding: 26px; }
}
@media (max-width: 520px) {
  .nav ul { gap: 14px; }
  .wrap { padding: 0 16px; }
  .tile { min-width: 100%; }
}