@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&family=Manrope:wght@400;500;600&display=swap');

:root {
  color-scheme: dark;
  --ink: #101715;
  --paper: #d9ddcf;
  --muted: #8f9a8f;
  --line: rgba(217, 221, 207, 0.18);
  --signal: #62d6bd;
  --bronze: #a27a50;
}

* { box-sizing: border-box; }
html { background: var(--ink); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--paper);
  background:
    radial-gradient(circle at 80% 20%, rgba(45, 100, 88, .12), transparent 30rem),
    linear-gradient(145deg, #101715 0%, #111816 55%, #0b1110 100%);
  font-family: Manrope, system-ui, sans-serif;
}

.grain {
  position: fixed; inset: 0; z-index: 10; pointer-events: none; opacity: .18;
  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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.14'/%3E%3C/svg%3E");
}

a { color: inherit; }
.masthead, main, footer { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.masthead {
  min-height: 92px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--line); font: 400 12px/1 DM Mono, monospace;
  letter-spacing: .08em; text-transform: uppercase;
}
.wordmark { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.mark {
  display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--bronze);
  color: var(--bronze); font-size: 13px;
}
.status { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.status i { width: 6px; height: 6px; border-radius: 99px; background: var(--signal); box-shadow: 0 0 14px var(--signal); }

.hero { min-height: 64vh; display: flex; flex-direction: column; justify-content: center; padding: 90px 0 72px; }
.eyebrow { color: var(--bronze); font: 400 12px/1 DM Mono, monospace; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 26px; }
h1 { margin: 0; max-width: 900px; font-size: clamp(58px, 10vw, 132px); font-weight: 500; line-height: .86; letter-spacing: -.075em; }
.lede { margin: 50px 0 0 auto; max-width: 570px; color: #b8c0b4; font-size: clamp(18px, 2vw, 24px); line-height: 1.5; }

.instrument { border-top: 1px solid var(--line); padding: 72px 0 100px; }
.signal-map { position: relative; height: 260px; border: 1px solid var(--line); overflow: hidden; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 40px 40px; }
.signal-map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.signal-map path:first-child { fill: none; stroke: rgba(98,214,189,.24); stroke-width: 16; filter: blur(12px); }
.signal-map path:last-child { fill: none; stroke: var(--signal); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.node { position: absolute; z-index: 2; width: 8px; height: 8px; margin: -4px; border: 1px solid var(--paper); border-radius: 50%; background: var(--ink); }
.n1{left:5.5%;top:71%}.n2{left:28.5%;top:27.5%}.n3{left:48.5%;top:40%}.n4{left:70%;top:73%}.n5{left:94.5%;top:23%}.n6{left:48.5%;top:40%;box-shadow:0 0 22px var(--signal);background:var(--signal);border-color:var(--signal)}
.map-label { position: absolute; z-index: 3; padding: 8px 10px; background: var(--ink); color: var(--muted); font: 400 10px/1 DM Mono, monospace; text-transform: uppercase; letter-spacing: .1em; }
.map-label.top { top: 14px; left: 14px; }.map-label.bottom { right: 14px; bottom: 14px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.principles article { min-height: 210px; padding: 34px 30px; border-left: 1px solid var(--line); }
.principles article:last-child { border-right: 1px solid var(--line); }
.principles span { color: var(--bronze); font: 400 10px/1 DM Mono, monospace; }
.principles h2 { margin: 58px 0 9px; font-size: 22px; font-weight: 500; }
.principles p { margin: 0; color: var(--muted); font-size: 14px; }

footer { min-height: 150px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 36px; border-top: 1px solid var(--line); color: var(--muted); font: 400 11px/1.6 DM Mono, monospace; }
footer div { display: flex; flex-direction: column; } footer strong { color: var(--paper); font-weight: 400; } footer a { text-underline-offset: 4px; }

@media (max-width: 700px) {
  .masthead, main, footer { width: min(100% - 28px, 1180px); }
  .masthead { min-height: 74px; }
  .status { font-size: 0; }.status i { width: 7px; height: 7px; }
  .hero { min-height: 66vh; padding: 70px 0 56px; }
  h1 { font-size: clamp(54px, 18vw, 86px); line-height: .89; }
  .lede { margin-top: 40px; font-size: 17px; }
  .instrument { padding: 44px 0 64px; }
  .signal-map { height: 190px; }
  .principles { grid-template-columns: 1fr; }
  .principles article { min-height: 145px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .principles h2 { margin-top: 30px; }
  footer { grid-template-columns: 1fr; gap: 18px; padding: 34px 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .status i { animation: pulse 2.8s ease-in-out infinite; }
  @keyframes pulse { 50% { opacity: .35; box-shadow: 0 0 4px var(--signal); } }
}