:root {
  --black: #000;
  --ink: #0b0b0d;
  --light: #f5f5f7;
  --white: #fff;
  --txt-d: #f5f5f7;      /* text on dark */
  --mut-d: #a1a1a6;      /* muted on dark */
  --txt-l: #1d1d1f;      /* text on light */
  --mut-l: #6e6e73;      /* muted on light */
  --line-d: #262629;
  --line-l: #d2d2d7;
  --red: #d0021b;
  --red-dark: #a80116;
  --max: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--txt-d);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }

/* ---------- Navigation ---------- */
.top { position: sticky; top: 0; z-index: 20; background: rgba(0, 0, 0, 0.72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: 2.5px; font-size: 15px; }
.brand img { width: 26px; height: 26px; }
.brand b { color: #ff3b4e; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 13px; }
.nav a { text-decoration: none; color: var(--mut-d); transition: color .2s; }
.nav a:hover { color: var(--txt-d); }

/* ---------- Buttons and links ---------- */
.pill { display: inline-block; background: var(--red); color: #fff; text-decoration: none; font-weight: 600; font-size: 17px; padding: 13px 26px; border-radius: 980px; transition: background .2s; letter-spacing: -0.01em; }
.pill:hover { background: var(--red-dark); }
.pill.small { font-size: 13px; padding: 7px 16px; }
.more { color: #2997ff; text-decoration: none; font-size: 19px; }
.more:hover { text-decoration: underline; }
.on-light .more { color: #0066cc; }

/* ---------- Type ---------- */
.eyebrow { font-size: 17px; font-weight: 600; color: var(--red); margin: 0 0 8px; letter-spacing: -0.01em; }
.on-dark .eyebrow { color: #ff453a; }
h1 { font-size: 80px; line-height: 1.04; font-weight: 700; letter-spacing: -0.035em; margin: 0; }
h2 { font-size: 56px; line-height: 1.07; font-weight: 700; letter-spacing: -0.03em; margin: 0; }
h3 { font-size: 24px; line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 10px; }
.dim { color: var(--mut-d); }
.on-light .dim { color: var(--mut-l); }
.lead { font-size: 24px; line-height: 1.35; color: var(--mut-d); margin: 22px auto 0; max-width: 720px; letter-spacing: -0.015em; }
.on-light .lead { color: var(--mut-l); }

/* ---------- Sections ---------- */
section { padding: 120px 0; }
.on-dark { background: var(--black); color: var(--txt-d); }
.on-ink { background: var(--ink); color: var(--txt-d); }
.on-light { background: var(--light); color: var(--txt-l); }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 0; text-align: center; overflow: hidden; }
.hero .cta { display: flex; gap: 28px; justify-content: center; align-items: center; margin-top: 34px; flex-wrap: wrap; }
.stage { position: relative; overflow: hidden; height: 560px; margin-top: 72px; display: flex; justify-content: center; align-items: flex-start; gap: 36px; }

/* ---------- Phone mockup ---------- */
.phone { position: relative; width: 290px; height: 600px; border-radius: 52px; background: #000; border: 11px solid #1c1c1f; box-shadow: 0 0 0 1.5px #3a3a3f, 0 30px 60px rgba(0, 0, 0, 0.6); flex: none; }
.island { position: absolute; top: 10px; left: 50%; width: 92px; height: 27px; margin-left: -46px; background: #000; border-radius: 20px; z-index: 3; }
.screen { position: absolute; inset: 0; background: #0d0d10; border-radius: 41px; overflow: hidden; display: flex; flex-direction: column; align-items: center; padding: 50px 18px 20px; text-align: center; }
.phone.big { width: 320px; height: 660px; border-radius: 56px; }
.phone.big .screen { border-radius: 45px; }
.phone.flank { margin-top: 70px; opacity: 0.96; }

.s-time { position: absolute; top: 16px; left: 28px; font-size: 13px; font-weight: 600; }
.s-brand { font-size: 12px; letter-spacing: 3px; font-weight: 700; color: var(--mut-d); margin-top: 8px; }
.s-brand b { color: #ff3b4e; }
.s-title { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin: 26px 0 4px; }
.s-sub { font-size: 12.5px; color: var(--mut-d); line-height: 1.4; max-width: 210px; }
.s-foot { margin-top: auto; font-size: 11px; color: #6f6f76; max-width: 220px; line-height: 1.4; }
.sos-svg { width: 230px; height: 230px; margin: 34px 0 20px; }
.pulse { animation: pulse 2.4s ease-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes pulse { 0% { opacity: .7; transform: scale(1); } 100% { opacity: 0; transform: scale(1.5); } }

.alert-tag { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: #ff453a; margin-top: 30px; }
.alert-big { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; margin: 8px 0 0; }
.alert-note { font-size: 13px; color: var(--mut-d); margin: 2px 0 22px; }
.ring-wrap { width: 128px; height: 128px; position: relative; margin: 6px 0 22px; }
.ring-num { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 38px; font-weight: 700; line-height: 1; }
.ring-num small { font-size: 10px; letter-spacing: 1.5px; color: var(--mut-d); font-weight: 600; margin-top: 4px; }
.btn-a { width: 100%; background: var(--red); color: #fff; font-weight: 700; font-size: 15px; padding: 13px; border-radius: 14px; }
.btn-b { width: 100%; background: #26262b; color: #d1d1d6; font-weight: 600; font-size: 15px; padding: 13px; border-radius: 14px; margin-top: 10px; }

.map-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.track-card { position: absolute; left: 14px; right: 14px; bottom: 16px; background: #17171b; border: 1px solid #2a2a30; border-radius: 20px; padding: 14px 16px; text-align: left; }
.track-card b { display: block; font-size: 15px; }
.track-card span { font-size: 12.5px; color: var(--mut-d); }

.caption { text-align: center; font-size: 12.5px; color: #6f6f76; margin: 18px 0 0; }

/* ---------- Numbers band ---------- */
.numbers { padding: 96px 0; }
.num-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; text-align: center; }
.num-grid .n { font-size: 88px; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.num-grid .n small { font-size: 40px; letter-spacing: -0.02em; margin-left: 4px; }
.num-grid p { margin: 12px auto 0; font-size: 19px; color: var(--mut-l); max-width: 260px; line-height: 1.35; }

/* ---------- Dashboard showcase ---------- */
.showcase-head { text-align: center; }
.browser { margin: 64px auto 0; max-width: 980px; border-radius: 18px; background: #16161a; border: 1px solid #2c2c31; box-shadow: 0 40px 80px rgba(0, 0, 0, 0.55); overflow: hidden; }
.bar { height: 38px; background: #1c1c21; border-bottom: 1px solid #2c2c31; display: flex; align-items: center; padding: 0 16px; gap: 7px; }
.bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3a40; display: block; }
.bar span { margin: 0 auto; font-size: 12px; color: #77777e; }
.dash { display: grid; grid-template-columns: 190px 1fr; }
.side { background: #121215; border-right: 1px solid #26262b; padding: 18px 12px; font-size: 13.5px; }
.side .lg { font-size: 12px; font-weight: 700; letter-spacing: 2.5px; padding: 4px 10px 16px; }
.side .lg b { color: #ff3b4e; }
.side div { padding: 9px 10px; border-radius: 8px; color: var(--mut-d); }
.side div.on { background: #26262b; color: #fff; font-weight: 600; }
.main { position: relative; background: #0f1013; min-height: 420px; }
.alert-strip { position: absolute; left: 16px; right: 16px; top: 16px; z-index: 2; background: rgba(208, 2, 27, 0.16); border: 1px solid rgba(208, 2, 27, 0.6); border-radius: 12px; padding: 11px 16px; display: flex; justify-content: space-between; gap: 12px; font-size: 13px; }
.alert-strip b { color: #ff6b7a; letter-spacing: 1px; font-size: 11.5px; }
.alert-strip span { color: #d1d1d6; }
.dash-map { width: 100%; height: 100%; min-height: 420px; }

/* ---------- Feature cards (bento) ---------- */
.bento-head { text-align: center; margin-bottom: 64px; }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.tile { background: var(--white); border-radius: 28px; padding: 40px; overflow: hidden; position: relative; }
.tile.w3 { grid-column: span 3; }
.tile.w2 { grid-column: span 2; }
.tile.w4 { grid-column: span 4; }
.tile.w6 { grid-column: span 6; }
.tile h3 { font-size: 28px; }
.tile p { margin: 0; color: var(--mut-l); font-size: 17px; line-height: 1.4; max-width: 440px; }
.tile .k { font-size: 13px; font-weight: 600; color: var(--red); letter-spacing: 0.2px; margin: 0 0 10px; }
.tile.dark { background: #1d1d1f; color: #f5f5f7; }
.tile.dark p { color: var(--mut-d); }
.tile.dark .k { color: #ff453a; }

.report { margin-top: 30px; border: 1px solid var(--line-l); border-radius: 18px; padding: 20px 22px; background: #fbfbfd; }
.report .row { display: flex; justify-content: space-between; align-items: baseline; }
.report .nm { font-weight: 700; font-size: 17px; }
.report .tag { font-size: 12px; color: var(--mut-l); }
.report .mets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line-l); }
.report .mets b { display: block; font-size: 22px; letter-spacing: -0.02em; }
.report .mets span { font-size: 12px; color: var(--mut-l); }
.ex { margin: 12px 0 0; font-size: 12px; color: #86868b; }

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; margin-top: 72px; }
.step .big { font-size: 96px; font-weight: 700; letter-spacing: -0.05em; line-height: 1; color: #3a3a3f; }
.step h3 { margin-top: 18px; }
.step p { margin: 0; color: var(--mut-d); font-size: 18px; line-height: 1.4; }

/* ---------- Security ---------- */
.sec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 64px; margin-top: 64px; }
.sec { padding: 26px 0; border-top: 1px solid var(--line-l); }
.sec h3 { font-size: 21px; margin-bottom: 6px; }
.sec p { margin: 0; color: var(--mut-l); font-size: 17px; line-height: 1.4; }

/* ---------- Pilot ---------- */
.pilot { text-align: center; }
.pilot ul { list-style: none; padding: 0; margin: 34px auto 0; display: flex; gap: 12px 36px; justify-content: center; flex-wrap: wrap; color: var(--mut-d); font-size: 19px; }
.pilot .pill { margin-top: 44px; }

/* ---------- FAQ ---------- */
.faq .inner { max-width: 760px; margin: 0 auto; }
.faq h2 { text-align: center; margin-bottom: 48px; font-size: 44px; }
.faq details { border-top: 1px solid var(--line-l); padding: 22px 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--line-l); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 21px; letter-spacing: -0.02em; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 300; font-size: 28px; line-height: 1; color: var(--mut-l); }
.faq details[open] summary::after { content: "\2212"; }
.faq p { margin: 12px 0 0; color: var(--mut-l); font-size: 18px; line-height: 1.45; }

/* ---------- Footer ---------- */
footer { background: var(--light); color: var(--mut-l); font-size: 12.5px; padding: 28px 0 40px; border-top: 1px solid var(--line-l); }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--mut-l); }
footer a:hover { color: var(--txt-l); }
.links { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- Legal page ---------- */
.doc { padding: 72px 24px 96px; max-width: 760px; }
.doc h1 { font-size: 48px; margin-bottom: 8px; }
.doc h2 { font-size: 24px; margin-top: 40px; letter-spacing: -0.02em; }
.doc p, .doc li { color: #c7c7cc; font-size: 17px; line-height: 1.55; }
.doc .updated { color: var(--mut-d); font-size: 14px; }
.doc a { color: #2997ff; }

/* ---------- Entrance ---------- */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise .9s cubic-bezier(.2, .7, .2, 1) both; }
  .rise.d1 { animation-delay: .12s; }
  .rise.d2 { animation-delay: .24s; }
  .rise.d3 { animation-delay: .4s; }
}
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; opacity: 0; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  h1 { font-size: 60px; }
  h2 { font-size: 44px; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tile.w3, .tile.w2, .tile.w4, .tile.w6 { grid-column: span 2; }
  .steps { gap: 32px; }
  .phone.flank { display: none; }
  .stage { height: 520px; }
}
@media (max-width: 760px) {
  section { padding: 76px 0; }
  .hero { padding-top: 56px; }
  h1 { font-size: 42px; }
  h2 { font-size: 34px; }
  .lead { font-size: 19px; }
  .nav a:not(.pill) { display: none; }
  .num-grid, .steps, .sec-grid { grid-template-columns: 1fr; }
  .num-grid .n { font-size: 68px; }
  .steps .big { font-size: 64px; }
  .tile { padding: 28px; border-radius: 22px; }
  .tile h3 { font-size: 24px; }
  .dash { grid-template-columns: 1fr; }
  .side { display: none; }
  .alert-strip { flex-direction: column; gap: 2px; }
  .stage { height: 470px; margin-top: 48px; }
  .phone.big { width: 280px; height: 580px; border-radius: 48px; }
  .faq h2 { font-size: 32px; }
  .faq summary { font-size: 18px; }
  .doc h1 { font-size: 36px; }
}

@media print {
  body { background: #fff; color: #000; }
  .top { display: none; }
}