@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,600;0,700;0,800;1,800&family=Manrope:wght@400;600;700&display=swap');

:root {
  --ink: #f4f6ed;
  --muted: #9ca498;
  --green: #b7f329;
  --dark: #090c0a;
  --panel: #111611;
  --line: rgba(244, 246, 237, 0.15);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(183, 243, 41, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 243, 41, 0.035) 1px, transparent 1px),
    var(--dark);
  background-size: 64px 64px;
  font-family: Manrope, sans-serif;
  display: flex;
  flex-direction: column;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 75% 35%, rgba(183, 243, 41, 0.11), transparent 30%);
}

.page-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; flex: 1; }

.topbar {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 12px; font-family: "Barlow Condensed", sans-serif; font-weight: 700; letter-spacing: .06em; }
.brand strong { color: var(--green); }
.brand-mark { display: grid; place-items: center; width: 36px; aspect-ratio: 1; color: var(--dark); background: var(--green); font-size: 25px; font-style: italic; font-weight: 800; transform: skew(-7deg); }
.status { color: var(--muted); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; display: flex; gap: 9px; align-items: center; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px var(--green); }

.hero { min-height: 590px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 70px; padding: 65px 0; }
.eyebrow { color: var(--green); font: 700 12px Manrope, sans-serif; letter-spacing: .18em; }
h1 { max-width: 700px; margin: 18px 0 24px; font: italic 800 clamp(58px, 8vw, 105px)/.82 "Barlow Condensed", sans-serif; letter-spacing: -.025em; }
h1 span { color: var(--green); }
.intro { max-width: 590px; margin: 0 0 32px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.check-button { min-width: 235px; border: 0; padding: 17px 20px; color: #111; background: var(--green); font: 700 13px Manrope, sans-serif; text-transform: uppercase; letter-spacing: .06em; display: inline-flex; justify-content: space-between; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.check-button:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(183, 243, 41, .18); }
.check-button:focus-visible { outline: 3px solid white; outline-offset: 4px; }
.check-result { min-height: 24px; color: var(--green); font-size: 13px; }

.signal-card { min-height: 390px; position: relative; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.005)); clip-path: polygon(11% 0, 100% 0, 100% 89%, 89% 100%, 0 100%, 0 11%); }
.radar { width: min(280px, 70vw); aspect-ratio: 1; display: grid; place-items: center; position: relative; }
.radar-ring { position: absolute; border: 1px solid rgba(183, 243, 41, .28); border-radius: 50%; animation: pulse 2.8s ease-out infinite; }
.ring-one { inset: 8%; }
.ring-two { inset: 23%; animation-delay: -.9s; }
.ring-three { inset: 37%; animation-delay: -1.8s; }
.radar-core { width: 76px; aspect-ratio: 1; display: grid; place-items: center; z-index: 2; background: var(--green); color: var(--dark); border-radius: 50%; font: italic 800 46px "Barlow Condensed", sans-serif; box-shadow: 0 0 55px rgba(183,243,41,.25); }
.signal-meta { position: absolute; inset: auto 24px 20px; display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; letter-spacing: .15em; }
.signal-meta strong { color: var(--green); }

.checks { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-bottom: 65px; }
.checks article { min-height: 115px; display: flex; align-items: center; gap: 18px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.number { color: #667064; font: 700 12px Manrope, sans-serif; }
.checks div { display: grid; gap: 5px; }
.checks strong { font: 700 20px "Barlow Condensed", sans-serif; text-transform: uppercase; letter-spacing: .04em; }
.checks small { color: var(--muted); }
.tick { margin-left: auto; color: var(--green); }

footer { width: min(1180px, calc(100% - 40px)); margin: auto; min-height: 70px; border-top: 1px solid var(--line); color: #70776e; display: flex; justify-content: space-between; align-items: center; font-size: 10px; letter-spacing: .12em; }

@keyframes pulse { 0%, 100% { opacity: .28; transform: scale(.94); } 50% { opacity: 1; transform: scale(1); } }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; } }

@media (max-width: 780px) {
  .page-shell, footer { width: min(100% - 28px, 1180px); }
  .topbar { min-height: 76px; }
  .status { font-size: 0; }
  .hero { grid-template-columns: 1fr; gap: 42px; padding: 60px 0 45px; }
  h1 { font-size: clamp(54px, 20vw, 82px); }
  .signal-card { min-height: 330px; }
  .checks { grid-template-columns: 1fr; }
}