:root {
  --bg: #071522;
  --bg-deep: #040c14;
  --surface: #0b1e2f;
  --surface-2: #10273b;
  --line: rgba(151, 187, 212, .16);
  --text: #f6f8fa;
  --muted: #9db1c5;
  --cyan: #37d2cf;
  --cyan-2: #60f3df;
  --purple: #c45be4;
  --yellow: #f4bd46;
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 86% 5%, rgba(55,210,207,.10), transparent 29rem),
    radial-gradient(circle at 5% 52%, rgba(196,91,228,.07), transparent 24rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header, main, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 10;
}

.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 1.05rem; font-weight: 650; letter-spacing: -.02em; }
.brand strong { color: var(--cyan); font-weight: 700; }
.brand-mark { width: 36px; height: 36px; border-radius: 12px; background: #0d2336; display: grid; place-items: center; position: relative; box-shadow: inset 0 0 0 1px rgba(55,210,207,.2); }
.brand-mark i { width: 23px; height: 23px; border: 3px solid var(--cyan); border-right-color: var(--yellow); border-radius: 50%; }
.brand-mark b, .brand-mark em { position: absolute; font-size: 13px; font-style: normal; line-height: 1; }
.brand-mark b { left: 8px; color: white; }
.brand-mark em { right: 7px; color: white; }

nav { display: flex; gap: 36px; color: var(--muted); font-size: .92rem; }
nav a, .header-cta { transition: color .2s ease, border-color .2s ease, transform .2s ease; }
nav a:hover { color: var(--text); }
.header-cta { border: 1px solid rgba(55,210,207,.45); border-radius: 999px; padding: 9px 17px; font-size: .88rem; color: var(--cyan-2); }
.header-cta:hover { border-color: var(--cyan); transform: translateY(-1px); }

.hero {
  min-height: 780px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
  padding: 84px 0 80px;
}
.eyebrow { margin: 0 0 22px; color: var(--cyan); font-size: .78rem; font-weight: 760; text-transform: uppercase; letter-spacing: .18em; }
.eyebrow > span { display: inline-block; width: 26px; height: 1px; background: var(--cyan); vertical-align: middle; margin-right: 10px; }
h1, h2 { margin: 0; font-weight: 760; letter-spacing: -.065em; line-height: .98; }
h1 { font-size: clamp(3.8rem, 7vw, 6.8rem); }
h2 { font-size: clamp(3rem, 5.4vw, 5rem); }
h1 span, h2 span { color: var(--cyan); }
.lead { max-width: 600px; color: var(--muted); font-size: 1.22rem; margin: 30px 0 34px; }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.button { min-height: 54px; padding: 0 23px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; border-radius: 14px; font-weight: 720; }
.button.primary { background: var(--cyan); color: #041116; box-shadow: 0 16px 40px rgba(55,210,207,.18); }
.button.primary:hover { background: var(--cyan-2); transform: translateY(-2px); }
.status { color: var(--muted); font-size: .86rem; display: inline-flex; align-items: center; gap: 9px; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 5px rgba(244,189,70,.09); }
.quick-facts { display: flex; gap: 50px; margin: 58px 0 0; }
.quick-facts div { border-left: 1px solid var(--line); padding-left: 17px; }
.quick-facts dt { color: var(--text); font-size: .9rem; font-weight: 700; }
.quick-facts dd { color: var(--muted); font-size: .78rem; margin: 4px 0 0; }

.hero-visual { min-height: 650px; position: relative; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(55,210,207,.13), rgba(7,21,34,0) 67%); }
.orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(55,210,207,.15); }
.orbit::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 15px var(--cyan); }
.orbit-one { width: 570px; height: 570px; transform: rotate(-16deg); }
.orbit-one::after { left: 80px; top: 65px; }
.orbit-two { width: 430px; height: 430px; border-color: rgba(196,91,228,.16); transform: rotate(20deg); }
.orbit-two::after { background: var(--purple); right: 45px; bottom: 88px; box-shadow: 0 0 15px var(--purple); }
.phone { width: 270px; padding: 9px; border: 1px solid rgba(164,200,227,.24); border-radius: 38px; background: #02070c; box-shadow: 0 34px 80px rgba(0,0,0,.34); overflow: hidden; }
.phone img { border-radius: 30px; width: 100%; }
.hero-phone { width: 310px; position: relative; z-index: 2; transform: rotate(2.5deg); box-shadow: 0 40px 100px rgba(0,0,0,.55), 0 0 0 10px rgba(11,30,47,.5); }
.metric { position: absolute; z-index: 3; width: 150px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(8,24,37,.86); backdrop-filter: blur(14px); box-shadow: 0 18px 50px rgba(0,0,0,.26); }
.metric span { font-size: 1.2rem; margin-right: 7px; }
.metric strong { font-size: .9rem; }
.metric small { display: block; margin: 3px 0 0 26px; color: var(--muted); font-size: .7rem; }
.metric-download { left: 4%; top: 27%; color: var(--cyan); }
.metric-upload { right: 0; bottom: 24%; color: var(--purple); }

.signal-strip { width: 100vw; margin-left: calc(50% - 50vw); padding: 17px 3vw; background: var(--cyan); color: #06131d; display: flex; justify-content: space-around; align-items: center; gap: 25px; font-size: .8rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; white-space: nowrap; overflow: hidden; transform: rotate(-1.2deg); }
.signal-strip b { font-size: .58rem; }

.product, .features { padding: 145px 0 60px; }
.section-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: end; margin-bottom: 72px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -42px; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; max-width: 520px; margin: 0 0 5px; }
.screens { display: grid; grid-template-columns: 1.15fr .925fr .925fr; gap: 18px; align-items: stretch; }
.screen-card { min-width: 0; height: 690px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(150deg, rgba(16,39,59,.92), rgba(7,21,34,.88)); position: relative; padding: 28px 26px 0; }
.screen-card::after { content: ""; position: absolute; inset: auto 0 0; height: 45%; background: linear-gradient(transparent, rgba(5,14,23,.78)); pointer-events: none; }
.screen-card-main { background: radial-gradient(circle at 30% 35%, rgba(55,210,207,.13), transparent 50%), linear-gradient(150deg, #10283d, #071522); }
.card-copy { position: relative; z-index: 2; }
.card-copy > span { color: var(--cyan); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.card-copy h3 { font-size: 1.32rem; margin: 9px 0 7px; }
.card-copy p { color: var(--muted); margin: 0; font-size: .9rem; }
.screen-card .phone { margin: 35px auto 0; width: min(260px, 90%); transform: rotate(-1.5deg); }
.screen-card:nth-child(2) .phone { transform: rotate(1.2deg); }
.screen-card:nth-child(3) .phone { transform: rotate(-.6deg); }

.compact { grid-template-columns: 1fr; margin-bottom: 56px; }
.compact .eyebrow { margin-bottom: -30px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-grid article { min-height: 245px; padding: 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; }
.feature-grid article:hover { background: rgba(55,210,207,.03); }
.feature-icon { color: var(--cyan); font-size: 1.45rem; }
.feature-grid h3 { font-size: 1.25rem; margin: 35px 0 9px; }
.feature-grid p { color: var(--muted); max-width: 420px; margin: 0; }

.privacy { margin: 110px 0 120px; min-height: 440px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: center; padding: 70px; border: 1px solid rgba(55,210,207,.2); border-radius: 36px; background: linear-gradient(125deg, rgba(8,27,40,.96), rgba(14,31,50,.72)); overflow: hidden; position: relative; }
.privacy::after { content: ""; position: absolute; width: 420px; height: 420px; right: -230px; top: -240px; border: 1px solid rgba(196,91,228,.28); border-radius: 50%; }
.privacy p:last-child { color: var(--muted); font-size: 1.05rem; max-width: 620px; }
.privacy-mark { width: 230px; height: 230px; margin: auto; border: 1px solid rgba(55,210,207,.35); border-radius: 50%; position: relative; display: grid; place-items: center; box-shadow: 0 0 80px rgba(55,210,207,.08); }
.privacy-mark::before, .privacy-mark::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(55,210,207,.15); }
.privacy-mark::before { inset: 25px; }
.privacy-mark::after { inset: 55px; }
.privacy-mark span { width: 68px; height: 80px; border: 7px solid var(--cyan); border-radius: 34px 34px 18px 18px; clip-path: polygon(0 25%, 100% 25%, 100% 100%, 0 100%); }
.privacy-mark i { position: absolute; width: 48px; height: 46px; border: 7px solid var(--cyan); border-bottom: 0; border-radius: 30px 30px 0 0; top: 68px; }
.privacy-mark b { position: absolute; width: 8px; height: 8px; background: var(--purple); border-radius: 50%; right: 14px; top: 78px; box-shadow: 0 0 18px var(--purple); }

footer { min-height: 120px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 30px; color: var(--muted); font-size: .82rem; }
footer .brand { color: var(--text); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 62px; gap: 30px; }
  .hero-visual { min-height: 610px; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .section-heading .eyebrow { margin-bottom: -5px; }
  .screens { grid-template-columns: 1fr 1fr; }
  .screen-card-main { grid-column: 1 / -1; }
  .privacy { grid-template-columns: 1fr; text-align: center; }
  .privacy .eyebrow { justify-content: center; }
  .privacy p { margin-inline: auto; }
}

@media (max-width: 640px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 72px; }
  nav { display: none; }
  .header-cta { padding: 7px 13px; }
  .hero { min-height: auto; padding: 58px 0 65px; }
  h1 { font-size: clamp(3.15rem, 15vw, 4.5rem); }
  h2 { font-size: clamp(2.6rem, 13vw, 4rem); }
  .lead { font-size: 1.05rem; }
  .quick-facts { gap: 20px; flex-direction: column; margin-top: 45px; }
  .hero-visual { min-height: 500px; transform: scale(.88); margin: -15px -30px; }
  .hero-phone { width: 275px; }
  .orbit-one { width: 480px; height: 480px; }
  .orbit-two { width: 370px; height: 370px; }
  .metric-download { left: 3%; top: 23%; }
  .metric-upload { right: 0; bottom: 18%; }
  .signal-strip { justify-content: flex-start; }
  .product, .features { padding-top: 100px; }
  .screens, .feature-grid { grid-template-columns: 1fr; }
  .screen-card-main { grid-column: auto; }
  .screen-card { height: 620px; }
  .feature-grid article { min-height: 220px; padding: 30px 26px; }
  .privacy { margin: 90px 0; padding: 55px 24px; gap: 50px; }
  .privacy-mark { width: 190px; height: 190px; }
  .privacy-mark i { top: 48px; }
  footer { padding: 30px 0; flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-phone { animation: float 6s ease-in-out infinite; }
  .orbit-one { animation: orbit 28s linear infinite; }
  .orbit-two { animation: orbit-reverse 23s linear infinite; }
  @keyframes float { 0%,100% { transform: rotate(2.5deg) translateY(0); } 50% { transform: rotate(1deg) translateY(-12px); } }
  @keyframes orbit { to { transform: rotate(344deg); } }
  @keyframes orbit-reverse { to { transform: rotate(-340deg); } }
}