:root {
  --night: #06121C;
  --navy: #0B1F2E;
  --panel: #0F2A3D;
  --line-dark: #1E4053;
  --teal: #1F8A8A;
  --teal-dark: #176C6C;
  --cyan: #2FC9C0;
  --mint: #8FF0E6;
  --ink: #1C2B33;
  --muted: #51626B;
  --on-dark: #C9DBE2;
  --line: #D5E3E3;
  --tint: #EEF5F5;
  --paper: #ffffff;
  --amber: #F5B84B;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}
h1, h2, h3 { line-height: 1.12; margin: 0 0 16px; color: var(--navy); letter-spacing: -0.015em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); color: #fff; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 16px; }
a { color: var(--teal-dark); }
figure { margin: 0; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

.top { background: var(--night); border-bottom: 1px solid var(--line-dark); position: sticky; top: 0; z-index: 10; }
.top-row { display: flex; align-items: center; gap: 24px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: #fff; font-weight: 700; text-decoration: none; }
.brand span { color: var(--mint); font-weight: 400; }
.brand-mark { width: 26px; height: 26px; color: var(--cyan); flex: none; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--on-dark); text-decoration: none; font-size: .93rem; }
.nav a:hover { color: #fff; }

.btn {
  display: inline-block;
  background: var(--cyan);
  color: #04222A;
  font-weight: 700;
  text-decoration: none;
  padding: 15px 26px;
  border-radius: 6px;
  text-align: center;
}
.btn:hover, .btn:focus-visible { background: var(--mint); }
.btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; }
.btn-small { padding: 9px 14px; font-size: .92rem; white-space: nowrap; }

.hero { position: relative; background: radial-gradient(900px 500px at 78% 30%, #123C50 0%, var(--night) 70%); color: var(--on-dark); padding: 72px 0 84px; overflow: hidden; }
.grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(47,201,192,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(47,201,192,.07) 1px, transparent 1px); background-size: 44px 44px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--mint); font-family: var(--mono); font-size: .8rem; margin-bottom: 18px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(47,201,192,.22); flex: none; }
.lead { font-size: 1.18rem; max-width: 32em; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 28px; }
.link-light { color: #fff; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 26px; list-style: none; margin: 28px 0 0; padding: 0; font-size: .9rem; color: #A9C2CC; }
.hero-facts li::before { content: "\2713"; color: var(--cyan); margin-right: 7px; font-weight: 700; }

.console { position: relative; min-height: 400px; }
.shield { display: block; width: min(100%, 400px); margin: 0 auto; }
.sweep { transform-origin: 200px 200px; animation: sweep 7s linear infinite; }
@keyframes sweep { to { transform: rotate(360deg); } }
.panel { position: absolute; right: 0; bottom: -18px; width: min(320px, 92%); background: rgba(9,28,41,.95); border: 1px solid var(--line-dark); border-radius: 8px; padding: 14px 16px; font-family: var(--mono); font-size: .78rem; box-shadow: 0 20px 44px rgba(0,0,0,.45); }
.panel-title { display: flex; justify-content: space-between; color: var(--mint); margin-bottom: 8px; }
.tag { color: #A9C2CC; border: 1px solid var(--line-dark); border-radius: 3px; padding: 0 6px; }
.panel ul { list-style: none; margin: 0; padding: 0; }
.panel li { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border-top: 1px solid rgba(30,64,83,.7); color: var(--on-dark); }
.panel b { font-weight: 700; }
.ok { color: var(--cyan); }
.warn { color: var(--amber); }

section { padding: 72px 0; }
.kicker { font-family: var(--mono); font-size: .8rem; color: var(--mint); margin-bottom: 10px; }
.kicker-dark { color: var(--teal-dark); }
.section-lead { max-width: 40em; }

.scan { background: var(--night); color: var(--on-dark); }
.scan h2, .monitoring h2 { color: #fff; }
.check-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.check-card { background: var(--panel); border: 1px solid var(--line-dark); border-radius: 8px; padding: 22px; }
.check-card svg { width: 40px; height: 40px; fill: none; stroke: var(--cyan); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 12px; }
.check-card h3 { color: #fff; }
.check-card ul { list-style: none; margin: 0; padding: 0; font-size: .93rem; }
.check-card li { padding: 6px 0; border-top: 1px solid var(--line-dark); }
.scope-note { margin: 24px 0 0; font-size: .88rem; color: #A9C2CC; max-width: 52em; }

.spotted { background: var(--tint); }
.found { list-style: none; margin: 26px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.found li { background: #fff; border-left: 4px solid var(--teal); padding: 16px 18px; border-radius: 4px; font-weight: 700; color: var(--navy); }
.found-note { margin: 18px 0 0; color: var(--muted); font-size: .9rem; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.two-col.center { align-items: center; }
.report { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 24px; box-shadow: 0 14px 34px rgba(11,31,46,.14); }
.report figcaption { font-family: var(--mono); font-size: .72rem; color: var(--muted); margin-bottom: 8px; }
.report h2 { font-size: 1.3rem; }
.report ol { margin: 0; padding: 0; list-style: none; counter-reset: p; }
.report li { counter-increment: p; position: relative; padding: 13px 0 13px 42px; border-top: 1px solid var(--line); }
.report li::before { content: counter(p); position: absolute; left: 0; top: 14px; width: 28px; height: 28px; border-radius: 50%; background: var(--teal); color: #fff; font-weight: 700; font-size: .9rem; display: grid; place-items: center; }
.report strong { display: block; color: var(--navy); }
.report span { font-size: .84rem; color: var(--muted); }
.ticks { list-style: none; margin: 0 0 24px; padding: 0; }
.ticks li { position: relative; padding: 0 0 10px 30px; }
.ticks li::before { content: "\2713"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.ticks-light li::before { color: var(--cyan); }

.process { background: var(--tint); padding: 44px 0; }
.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flow li { display: grid; gap: 2px; }
.num { width: 34px; height: 34px; border-radius: 6px; background: var(--navy); color: var(--mint); font-family: var(--mono); display: grid; place-items: center; margin-bottom: 8px; }
.flow strong { color: var(--navy); }
.flow em { font-style: normal; color: var(--muted); font-size: .92rem; }

.monitoring { background: radial-gradient(800px 420px at 20% 20%, #123C50 0%, var(--night) 72%); color: var(--on-dark); }
.mon-lead { font-size: 1.08rem; }
.mon-small { font-size: .84rem; color: #A9C2CC; margin: 18px 0 0; }
.mon-small a { color: var(--mint); }
.pulse { background: rgba(9,28,41,.7); border: 1px solid var(--line-dark); border-radius: 8px; overflow: hidden; }
.pulse svg { display: block; width: 100%; height: auto; }
.beat { stroke-dasharray: 1200; animation: beat 5s linear infinite; }
@keyframes beat { from { stroke-dashoffset: 1200; } to { stroke-dashoffset: 0; } }

details { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 14px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 700; color: var(--navy); }
details p { margin: 10px 0 2px; }

footer { background: var(--night); color: #A9C2CC; font-size: .85rem; padding: 28px 0; }
footer p { margin: 0 0 8px; }
footer a { color: var(--mint); }

.legal { padding: 48px 0 64px; }
.legal h1 { color: var(--navy); font-size: clamp(1.8rem, 4vw, 2.5rem); }
.legal h2 { font-size: 1.25rem; margin-top: 30px; margin-bottom: 8px; }
.legal ul { padding-left: 22px; }
.legal li { padding-bottom: 6px; }

@media (max-width: 900px) {
  .check-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .nav { display: none; }
  .top-row .btn-small { margin-left: auto; }
  .hero { padding: 44px 0 60px; }
  .hero-grid, .two-col { grid-template-columns: 1fr; gap: 40px; }
  .found { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .cta-row .btn { width: 100%; }
  .console { min-height: 0; }
  .shield { width: min(78%, 300px); }
  .panel { position: static; width: 100%; margin-top: 14px; }
}

@media (max-width: 480px) {
  .check-grid, .flow { grid-template-columns: 1fr; }
  .brand span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sweep, .beat { animation: none; }
  .beat { stroke-dasharray: none; }
}