:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07110f;
  color: #f4f5ef;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 15%, rgba(69, 230, 170, .13), transparent 32rem),
    radial-gradient(circle at 90% 80%, rgba(132, 102, 255, .13), transparent 34rem),
    #07110f;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .25;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 34px 34px;
}

.shell {
  width: min(1120px, calc(100% - 36px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.35fr .8fr;
  align-items: center;
  gap: 48px;
  padding: 64px 0;
}

.hero, .details { position: relative; z-index: 1; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 78px;
  color: #c8d1cc;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: .04em;
}

.mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(122, 255, 203, .35);
  border-radius: 10px;
  color: #7affcb;
  background: rgba(122, 255, 203, .06);
}

.eyebrow {
  color: #7affcb;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  font-weight: 750;
}

h1 {
  max-width: 760px;
  margin: 18px 0 20px;
  font-size: clamp(52px, 7vw, 96px);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 650;
}

.lede {
  max-width: 660px;
  margin: 0 0 38px;
  color: #a7b2ac;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.65;
}

.lede strong { color: #edf4ef; font-weight: 600; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}

.button:hover { transform: translateY(-2px); }
.primary { color: #062018; background: #7affcb; box-shadow: 0 14px 38px rgba(55, 223, 159, .18); }
.secondary { color: #edf4ef; background: #17231f; border: 1px solid #33423c; }
.fineprint { margin: 14px 0 0; color: #6f7d76; font-size: 13px; }

.details {
  padding: 34px;
  border: 1px solid rgba(205, 230, 217, .12);
  border-radius: 24px;
  background: rgba(16, 29, 25, .72);
  box-shadow: 0 30px 90px rgba(0,0,0,.25);
  backdrop-filter: blur(18px);
}

.signal, .status {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #8fa098;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.pulse, .status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7affcb;
  box-shadow: 0 0 0 5px rgba(122, 255, 203, .08);
}

.details h2 { margin: 32px 0 18px; font-size: 26px; letter-spacing: -.03em; }
.details ul { list-style: none; padding: 0; margin: 0; }
.details li { display: grid; grid-template-columns: 38px 1fr; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.07); color: #bdc8c2; line-height: 1.45; }
.details li span { color: #56665e; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.endpoint { margin-top: 28px; padding: 16px; border-radius: 12px; background: #0a1512; }
.endpoint span { display: block; margin-bottom: 7px; color: #607068; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.endpoint code { color: #83dbc0; font-size: 12px; overflow-wrap: anywhere; }

.identity-card { max-width: 660px; margin: 24px 0; padding: 24px; border: 1px solid rgba(122,255,203,.18); border-radius: 18px; background: rgba(10,25,20,.8); }
.identity-card .status { margin-bottom: 22px; color: #7affcb; }
.identity-row { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.07); }
.identity-row span { color: #6f7d76; }
.identity-row strong { overflow-wrap: anywhere; font-weight: 600; }
.notice { max-width: 660px; margin: 20px 0; padding: 15px 18px; border-radius: 12px; }
.error { color: #ffd4cf; background: rgba(255,91,76,.1); border: 1px solid rgba(255,91,76,.25); }

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; gap: 42px; padding: 32px 0 48px; }
  .brand { margin-bottom: 64px; }
  h1 { font-size: clamp(48px, 16vw, 74px); }
  .details { padding: 26px; }
}