:root {
  --bg: #050706;
  --panel: rgba(18, 23, 22, .62);
  --panel-strong: rgba(15, 20, 19, .88);
  --text: #f4f7f6;
  --muted: #929e9a;
  --line: rgba(255, 255, 255, .10);
  --lime: #c8f400;
  --mint: #00f5d4;
  --cyan: #00c2ff;
  --gradient: linear-gradient(115deg, var(--lime), var(--mint) 52%, var(--cyan));
  --radius: 26px;
  --shell: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 75% 10%, rgba(0, 245, 212, .07), transparent 27rem),
    radial-gradient(circle at 15% 34%, rgba(200, 244, 0, .04), transparent 28rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.027) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.027) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: linear-gradient(to bottom, #000 0, transparent 80%);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 30;
  opacity: .035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  width: var(--shell);
  height: 92px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 13px; width: max-content; }
.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient);
  box-shadow: 0 0 32px rgba(0, 245, 212, .13);
}
.brand-mark::before { content: ""; width: 20px; height: 22px; border: 3px solid #06100c; border-radius: 5px 10px 5px 10px; transform: skew(-8deg); }
.brand-mark i { position: absolute; width: 8px; height: 3px; background: #06100c; right: 9px; bottom: 10px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy b { font-size: 16px; letter-spacing: .14em; }
.brand-copy small { margin-top: 6px; color: var(--muted); font: 600 8px/1 ui-monospace, monospace; letter-spacing: .21em; }

.site-header nav { display: flex; gap: 34px; color: #aeb7b4; font-size: 13px; }
.site-header nav a { transition: color .2s ease; }
.site-header nav a:hover { color: var(--text); }
.header-cta { justify-self: end; font: 700 12px/1 ui-monospace, monospace; letter-spacing: .08em; }
.header-cta span { color: var(--lime); margin-left: 7px; }

.hero {
  min-height: 720px;
  padding: 94px 0 88px;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 74px;
  align-items: center;
}

.eyebrow { display: flex; align-items: center; gap: 13px; color: #a2aaa7; font: 600 11px/1 ui-monospace, monospace; letter-spacing: .14em; }
.eyebrow span { color: var(--lime); }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--mint); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 32px 0 27px; font-size: clamp(48px, 5.35vw, 76px); line-height: .99; letter-spacing: -.055em; font-weight: 760; }
h1 em, h2 em { font-style: normal; color: transparent; background: var(--gradient); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 630px; margin-bottom: 36px; color: #a8b2ae; font-size: 18px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { min-height: 54px; padding: 0 24px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; font-weight: 720; font-size: 13px; }
.button-primary { color: #06100c; background: var(--gradient); box-shadow: 0 18px 50px rgba(0, 245, 212, .08); }
.button-primary span { font-size: 18px; }
.button-ghost { color: #ccd3d0; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.hero-note { display: flex; align-items: center; gap: 10px; margin-top: 34px; color: #7f8b87; font: 500 11px/1 ui-monospace, monospace; letter-spacing: .06em; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(200,244,0,.07), 0 0 14px rgba(200,244,0,.35); }

.hero-visual, .glass-card, .legal-panel, .connect-panel {
  position: relative;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--panel-strong), var(--panel-strong)) padding-box,
    var(--gradient) border-box;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 32px 90px rgba(0,0,0,.28);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.hero-visual { height: 500px; border-radius: 32px; overflow: hidden; isolation: isolate; }
.visual-grid { position: absolute; inset: 0; opacity: .45; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 54px 54px; mask-image: radial-gradient(circle, #000, transparent 70%); }
.status-line { position: absolute; left: 26px; right: 26px; top: 23px; z-index: 2; display: flex; justify-content: space-between; color: #89938f; font: 600 9px/1 ui-monospace, monospace; letter-spacing: .16em; }
.status-line b { color: var(--lime); }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-a { width: 300px; height: 300px; left: 30px; top: 100px; background: radial-gradient(circle at 35% 35%, rgba(200,244,0,.24), rgba(0,245,212,.11) 42%, transparent 67%); }
.orb-b { width: 260px; height: 260px; right: -80px; bottom: 18px; background: radial-gradient(circle, rgba(0,194,255,.19), transparent 68%); }
.shield { position: absolute; z-index: 3; inset: 50% auto auto 50%; transform: translate(-50%, -50%); width: 184px; height: 184px; border-radius: 50%; display: grid; place-items: center; color: var(--mint); background: radial-gradient(circle, rgba(0,245,212,.15), rgba(6,12,10,.76) 60%); border: 1px solid rgba(0,245,212,.24); box-shadow: 0 0 0 18px rgba(0,245,212,.025), 0 0 0 36px rgba(0,245,212,.018), 0 30px 80px rgba(0,0,0,.42); }
.shield svg { width: 68px; }
.shield span { position: absolute; bottom: 30px; color: #a8b3af; font: 600 8px/1.4 ui-monospace, monospace; text-align: center; letter-spacing: .12em; }
.shield span b { color: var(--lime); }
.route { position: absolute; z-index: 2; height: 1px; background: linear-gradient(90deg, transparent, var(--mint), transparent); transform-origin: center; }
.route-a { width: 330px; left: -32px; top: 57%; transform: rotate(15deg); }
.route-b { width: 350px; right: -70px; top: 39%; transform: rotate(-24deg); }
.route i { position: absolute; width: 7px; height: 7px; top: -3px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 16px var(--lime); animation: travel 4s linear infinite; }
.route-b i { animation-delay: -2s; }
@keyframes travel { from { left: 0; } to { left: 100%; } }
.visual-meta { position: absolute; z-index: 3; left: 27px; right: 27px; bottom: 25px; display: flex; justify-content: space-between; }
.visual-meta div { display: flex; flex-direction: column; }
.visual-meta small { color: #68736f; font: 600 8px/1 ui-monospace, monospace; letter-spacing: .15em; }
.visual-meta b { margin-top: 7px; color: #cbd3d0; font: 600 10px/1 ui-monospace, monospace; letter-spacing: .08em; }

.signal-bar { min-height: 122px; border-block: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); padding-inline: max(24px, calc((100vw - 1180px) / 2)); }
.signal-bar > div { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; align-content: center; column-gap: 17px; padding: 26px 34px; border-left: 1px solid var(--line); }
.signal-bar > div:last-child { border-right: 1px solid var(--line); }
.signal-bar span { grid-row: 1 / 3; color: var(--lime); font: 700 12px/1 ui-monospace, monospace; }
.signal-bar b { font-size: 14px; }
.signal-bar small { color: var(--muted); font-size: 12px; }

.section { padding-block: 120px; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; column-gap: 60px; align-items: end; margin-bottom: 56px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 28px; }
h2 { margin-bottom: 0; font-size: clamp(38px, 4.2vw, 60px); line-height: 1.05; letter-spacing: -.045em; }
.section-heading > p { margin-bottom: 5px; color: var(--muted); line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.glass-card { border-radius: var(--radius); }
.feature-card { min-height: 338px; padding: 28px; display: flex; flex-direction: column; }
.feature-card:not(.accent-card) { background: linear-gradient(rgba(17,22,21,.72), rgba(12,16,15,.86)) padding-box, linear-gradient(135deg, rgba(255,255,255,.13), rgba(255,255,255,.03)) border-box; }
.card-index { color: #68736f; font: 600 9px/1 ui-monospace, monospace; letter-spacing: .15em; }
.feature-card h3 { margin: auto 0 10px; font-size: 22px; letter-spacing: -.02em; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.line-icon { margin: 50px auto 24px; width: 94px; height: 64px; display: flex; align-items: flex-end; justify-content: space-between; }
.line-icon i { width: 20px; border: 1px solid rgba(0,245,212,.55); border-radius: 8px 8px 2px 2px; background: linear-gradient(to top, rgba(0,245,212,.16), transparent); }
.line-icon i:nth-child(1) { height: 33px; }.line-icon i:nth-child(2) { height: 61px; }.line-icon i:nth-child(3) { height: 45px; border-color: rgba(200,244,0,.7); }
.fingerprint { width: 82px; height: 82px; margin: 40px auto 20px; border-radius: 50%; background: repeating-radial-gradient(ellipse at center, transparent 0 5px, rgba(0,245,212,.55) 6px 7px); mask-image: radial-gradient(ellipse, #000 45%, transparent 72%); }
.control-rings { width: 92px; height: 92px; margin: 34px auto 18px; position: relative; }
.control-rings i { position: absolute; inset: 0; margin: auto; border: 1px solid rgba(3,13,10,.55); border-radius: 50%; }
.control-rings i:nth-child(2) { inset: 18px; }.control-rings i:nth-child(3) { inset: 36px; background: #07100d; border: 0; }
.accent-card { color: #07100d; background: var(--gradient); box-shadow: 0 30px 80px rgba(0,245,212,.08); }
.accent-card .card-index, .accent-card p { color: rgba(3,15,11,.63); }

.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 84px; align-items: center; }
.scenario-visual { height: 500px; overflow: hidden; background: linear-gradient(rgba(15,20,19,.78), rgba(9,13,12,.92)) padding-box, var(--gradient) border-box; }
.scenario-visual::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 50% 50%, rgba(0,245,212,.07), transparent 45%), linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: auto, 48px 48px, 48px 48px; }
.scenario-top { position: absolute; top: 24px; left: 26px; right: 26px; display: flex; justify-content: space-between; color: #75807c; font: 600 9px/1 ui-monospace, monospace; letter-spacing: .14em; }
.node { position: absolute; z-index: 2; width: 122px; padding: 15px; border-radius: 15px; border: 1px solid var(--line); background: rgba(8,12,11,.82); box-shadow: 0 16px 40px rgba(0,0,0,.26); }
.node i { display: block; width: 9px; height: 9px; margin-bottom: 18px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 14px rgba(0,245,212,.5); }
.node b { display: block; font: 700 9px/1 ui-monospace, monospace; letter-spacing: .08em; }.node small { color: #65716d; font-size: 9px; }
.node-device { left: 42px; top: 182px; }.node-edge { left: 50%; top: 85px; transform: translateX(-50%); }.node-net { right: 42px; bottom: 70px; }
.node-edge i { background: var(--lime); }.node-net i { background: var(--cyan); }
.path { position: absolute; height: 1px; z-index: 1; background: linear-gradient(90deg, rgba(0,245,212,.1), var(--mint), rgba(0,245,212,.1)); transform-origin: left; }
.path-one { width: 210px; left: 143px; top: 225px; transform: rotate(-25deg); }.path-two { width: 250px; left: 52%; top: 178px; transform: rotate(42deg); }
.packet { position: absolute; z-index: 3; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 14px var(--lime); }
.packet-one { left: 196px; top: 197px; }.packet-two { right: 138px; bottom: 159px; background: var(--cyan); }
.scenario-copy .eyebrow { margin-bottom: 28px; }.scenario-copy h2 { margin-bottom: 48px; }
.scenario-list { margin: 0; padding: 0; list-style: none; }
.scenario-list li { display: grid; grid-template-columns: 46px 1fr; gap: 8px; padding: 22px 0; border-top: 1px solid var(--line); }
.scenario-list li:last-child { border-bottom: 1px solid var(--line); }
.scenario-list span { color: var(--lime); font: 600 10px/1.8 ui-monospace, monospace; }
.scenario-list b { font-size: 15px; }.scenario-list p { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

.legal-panel { min-height: 330px; padding: 54px; border-radius: 32px; display: grid; grid-template-columns: 90px 1.15fr .85fr; gap: 36px; align-items: center; overflow: hidden; }
.legal-panel::after { content: ""; position: absolute; width: 280px; height: 280px; right: -120px; top: -110px; border-radius: 50%; background: rgba(0,245,212,.1); filter: blur(65px); }
.legal-mark { width: 68px; height: 68px; border-radius: 22px; display: grid; place-items: center; color: #07100d; background: var(--gradient); font: 800 30px/1 ui-monospace, monospace; }
.legal-panel .eyebrow { margin-bottom: 24px; }.legal-panel h2 { font-size: clamp(34px, 3.6vw, 50px); }
.legal-copy { position: relative; z-index: 1; padding-left: 34px; border-left: 1px solid var(--line); color: #a3ada9; font-size: 14px; line-height: 1.75; }
.legal-copy p:last-child { margin-bottom: 0; }

.connect-section { padding-top: 20px; }
.connect-panel { padding: 60px; border-radius: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 76px; align-items: center; }
.connect-copy .eyebrow { margin-bottom: 25px; }.connect-copy h2 { margin-bottom: 16px; font-size: 44px; }.connect-copy p { margin-bottom: 0; color: var(--muted); line-height: 1.7; }
.subscription-form label { display: block; margin-bottom: 11px; color: #b9c2bf; font: 600 10px/1 ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; }
.input-row { display: grid; grid-template-columns: 1fr auto; padding: 6px; border: 1px solid var(--line); border-radius: 17px; background: rgba(0,0,0,.26); transition: border-color .2s ease; }
.input-row:focus-within { border-color: rgba(0,245,212,.45); box-shadow: 0 0 0 3px rgba(0,245,212,.05); }
.input-row input { min-width: 0; height: 50px; padding: 0 14px; color: var(--text); border: 0; outline: 0; background: transparent; font-size: 13px; }
.input-row input::placeholder { color: #53605b; }
.input-row button { height: 50px; padding-inline: 21px; border: 0; border-radius: 12px; color: #06100c; background: var(--gradient); font-weight: 760; font-size: 12px; cursor: pointer; }
.form-message { margin: 11px 4px 0; color: #66726e; font-size: 11px; }
.form-message.error { color: #ff8d8d; }

.site-footer { min-height: 180px; padding-block: 46px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; border-top: 1px solid var(--line); color: #77827e; font-size: 12px; }
.site-footer > p { margin: 0; justify-self: end; }.site-footer > div { grid-column: 1 / -1; display: flex; justify-content: space-between; align-self: end; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.06); }
.site-footer a:hover { color: var(--text); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .route i { animation: none; }
}

@media (max-width: 960px) {
  :root { --shell: min(100% - 36px, 760px); }
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 56px; padding-top: 70px; }
  .hero-visual { height: 460px; }
  .signal-bar { grid-template-columns: 1fr; padding-inline: 18px; }
  .signal-bar > div, .signal-bar > div:last-child { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .section-heading { grid-template-columns: 1fr; }
  .section-heading > p { margin-top: 25px; max-width: 620px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 300px; }
  .split-section { grid-template-columns: 1fr; }
  .scenario-visual { order: 2; }
  .legal-panel { grid-template-columns: 72px 1fr; }
  .legal-copy { grid-column: 1 / -1; padding: 25px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .connect-panel { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 28px); --radius: 22px; }
  .site-header { height: 76px; }
  .brand-copy small { display: none; }
  .header-cta { font-size: 10px; }
  .hero { min-height: auto; padding: 62px 0 66px; }
  h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .hero-visual { height: 390px; }
  .shield { width: 150px; height: 150px; }
  .shield svg { width: 58px; }.shield span { bottom: 22px; }
  .visual-meta { left: 18px; right: 18px; }
  .section { padding-block: 84px; }
  .section-heading { margin-bottom: 38px; }
  h2 { font-size: 38px; }
  .feature-card { padding: 24px; }
  .split-section { gap: 52px; }
  .scenario-visual { height: 420px; }
  .node { width: 105px; padding: 12px; }
  .node-device { left: 18px; }.node-net { right: 18px; }
  .path-one { width: 160px; left: 100px; }.path-two { width: 190px; }
  .legal-panel { padding: 30px 24px; grid-template-columns: 54px 1fr; gap: 18px; }
  .legal-mark { width: 52px; height: 52px; border-radius: 16px; }
  .legal-panel h2 { font-size: 31px; }
  .connect-panel { padding: 34px 22px; }
  .connect-copy h2 { font-size: 34px; }
  .input-row { grid-template-columns: 1fr; }
  .input-row button { width: 100%; }
  .site-footer { grid-template-columns: 1fr; gap: 24px; }
  .site-footer > p { justify-self: start; }
  .site-footer > div { flex-direction: column; align-items: flex-start; gap: 12px; }
}
