:root {
  --ink: #f4f8fb;
  --muted: #97a6b5;
  --line: rgba(151, 180, 205, 0.18);
  --blue: #2ec3e8;
  --deep-blue: #1e4281;
  --night: #070b10;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--night);
}

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-shell {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 100svh;
  overflow: hidden;
  flex-direction: column;
  padding: 38px clamp(24px, 5vw, 84px) 28px;
  background: linear-gradient(115deg, rgba(11, 23, 36, 0.96) 0%, rgba(7, 11, 16, 0.98) 52%, rgba(5, 8, 12, 1) 100%);
}

.grid-field {
  position: absolute;
  z-index: -3;
  inset: 0;
  opacity: 0.27;
  background-image: linear-gradient(rgba(93, 130, 161, 0.11) 1px, transparent 1px), linear-gradient(90deg, rgba(93, 130, 161, 0.11) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}

.ambient {
  position: absolute;
  z-index: -2;
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
}

.ambient-one {
  width: min(55vw, 760px);
  aspect-ratio: 1;
  top: -40%;
  right: -14%;
  background: radial-gradient(circle, rgba(46, 195, 232, 0.15), transparent 68%);
}

.ambient-two {
  width: min(48vw, 640px);
  aspect-ratio: 1;
  bottom: -46%;
  left: 16%;
  background: radial-gradient(circle, rgba(30, 66, 129, 0.21), transparent 70%);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand-logo {
  display: block;
  width: clamp(220px, 23vw, 340px);
  height: auto;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #b8c3ce;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(46, 195, 232, 0.08), 0 0 20px rgba(46, 195, 232, 0.8);
}

.hero {
  display: grid;
  flex: 1;
  align-items: center;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(54px, 8vw, 150px);
  padding: clamp(70px, 11vh, 140px) 0 clamp(55px, 8vh, 100px);
}

.hero-copy {
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 26px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(56px, 7.5vw, 116px);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 0.89;
}

h1 span {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px rgba(219, 234, 245, 0.55);
}

.intro {
  max-width: 640px;
  margin: 38px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.65;
}

.actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 40px;
}

.primary-action {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 0 22px;
  border: 1px solid rgba(46, 195, 232, 0.48);
  background: linear-gradient(120deg, rgba(30, 66, 129, 0.6), rgba(46, 195, 232, 0.12));
  color: #eefcff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.primary-action:hover,
.primary-action:focus-visible {
  border-color: var(--blue);
  background: linear-gradient(120deg, rgba(30, 66, 129, 0.9), rgba(46, 195, 232, 0.25));
  transform: translateY(-2px);
}

.primary-action:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.email {
  color: #b4c0cb;
  font-size: 14px;
}

.signal-panel {
  position: relative;
  display: grid;
  width: min(36vw, 590px);
  aspect-ratio: 1 / 1.06;
  align-self: center;
  justify-self: end;
  place-items: center;
  border: 1px solid var(--line);
  background: repeating-linear-gradient(0deg, transparent 0, transparent 17px, rgba(46, 195, 232, 0.045) 18px), linear-gradient(145deg, rgba(30, 66, 129, 0.1), rgba(255, 255, 255, 0.01));
  box-shadow: inset 0 0 70px rgba(30, 66, 129, 0.08), 0 34px 110px rgba(0, 0, 0, 0.22);
}

.signal-panel::before,
.signal-panel::after {
  position: absolute;
  width: 32px;
  height: 32px;
  border-color: rgba(46, 195, 232, 0.58);
  content: "";
}

.signal-panel::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.signal-panel::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.dimension-mark {
  color: transparent;
  font-family: "Arial Narrow", Arial, sans-serif;
  font-size: clamp(150px, 18vw, 320px);
  font-weight: 900;
  letter-spacing: -0.11em;
  line-height: 1;
  transform: translateX(-0.04em);
  -webkit-text-stroke: 1px rgba(140, 191, 223, 0.3);
  text-shadow: 0 0 45px rgba(46, 195, 232, 0.08);
}

.scan-line {
  position: absolute;
  right: 8%;
  left: 8%;
  top: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue) 20%, #effcff 52%, var(--blue) 80%, transparent);
  box-shadow: 0 0 10px rgba(46, 195, 232, 0.85), 0 0 38px rgba(46, 195, 232, 0.5);
  animation: scan 5s ease-in-out infinite;
}

.coordinate {
  position: absolute;
  color: #66788a;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 9px;
  letter-spacing: 0.18em;
}

.coordinate-top { top: 22px; right: 24px; }
.coordinate-bottom { bottom: 22px; left: 24px; }

.attributes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.attributes span {
  padding: 18px clamp(12px, 2vw, 30px);
  color: #9eacb9;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
}

.attributes span + span { border-left: 1px solid var(--line); }

.site-footer {
  display: grid;
  align-items: center;
  grid-template-columns: auto auto 1fr;
  gap: 32px;
  padding-top: 24px;
  color: #697987;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.site-footer p { margin: 0; }
.site-footer span { color: #4f5c67; }
.copyright { justify-self: end; }

@keyframes scan {
  0%, 100% { transform: translateY(-96px); opacity: 0.42; }
  50% { transform: translateY(96px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .scan-line { animation: none; }
}

@media (max-width: 940px) {
  .site-shell { padding-top: 28px; }
  .hero { grid-template-columns: 1fr; gap: 60px; padding-top: 90px; }
  .signal-panel { width: min(100%, 560px); justify-self: start; }
  .site-footer { grid-template-columns: 1fr; gap: 12px; }
  .copyright { justify-self: start; }
}

@media (max-width: 620px) {
  .site-shell { padding-right: 20px; padding-left: 20px; }
  .site-header { align-items: flex-start; flex-direction: column; gap: 24px; }
  .brand-logo { width: min(78vw, 300px); }
  .hero { gap: 46px; padding: 72px 0 60px; }
  h1 { font-size: clamp(52px, 17vw, 78px); }
  .intro { margin-top: 28px; }
  .actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .signal-panel { width: 100%; }
  .attributes { grid-template-columns: repeat(2, 1fr); }
  .attributes span:nth-child(3) { border-left: 0; }
  .attributes span:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .site-footer { line-height: 1.6; }
  .site-footer span { display: block; }
}