:root {
  color-scheme: dark;
  --bg: #101714;
  --surface: #17221d;
  --text: #edf2ec;
  --muted: #a2b0a6;
  --soft: #6f8276;
  --accent: #b9e4c8;
  --line: rgba(211, 231, 216, .14);
  --page-width: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.ambient {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .12;
}
.ambient-one { top: 90px; right: 8%; background: #5f9d77; }
.ambient-two { top: 720px; left: -260px; background: #527c68; opacity: .08; }
.site-header, main, .site-footer {
  position: relative;
  z-index: 1;
  width: min(var(--page-width), calc(100% - 112px));
  margin-inline: auto;
}
.site-header {
  height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.wordmark, .footer-mark {
  font-size: 29px;
  font-weight: 650;
  letter-spacing: -.08em;
}
.wordmark span, .footer-mark span { color: var(--accent); }
.header-link {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
  transition: color .2s ease;
}
.header-link span { color: var(--accent); padding-left: 8px; }
.header-link:hover { color: var(--text); }
.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 60px 0 85px;
}
.hero-copy { padding: 20px 0 10px; }
.eyebrow, .section-index, .visual-label, .copyright {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .18em;
  color: var(--soft);
}
.eyebrow { display: flex; align-items: center; gap: 12px; }
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(185, 228, 200, .8);
  animation: blink 2.5s ease-in-out infinite;
}
.eyebrow-line { width: 34px; height: 1px; background: var(--line); }
h1 {
  margin: 36px 0 25px;
  font-size: clamp(58px, 7.2vw, 100px);
  line-height: .99;
  letter-spacing: -.075em;
  font-weight: 520;
}
h1 span { color: var(--accent); }
.intro {
  max-width: 405px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}
.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  margin-top: 54px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .06em;
  transition: color .2s ease, transform .2s ease;
}
.scroll-cue:hover { color: var(--accent); transform: translateY(3px); }
.scroll-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
}
.visual {
  position: relative;
  min-height: 510px;
  display: grid;
  place-items: center;
}
.visual-grid {
  position: absolute;
  inset: 5% 0;
  opacity: .26;
  background-image: linear-gradient(rgba(185,228,200,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(185,228,200,.07) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse, #000 15%, transparent 72%);
}
.network { width: min(100%, 530px); overflow: visible; }
.network-lines {
  fill: none;
  stroke: rgba(185, 228, 200, .3);
  stroke-width: 1.2;
  stroke-dasharray: 5 8;
}
.network-points { fill: var(--accent); }
.network-points circle { filter: drop-shadow(0 0 8px rgba(185,228,200,.4)); }
.network-points .point-core { fill: #e3f6e8; }
.pulse {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: pulse 4s ease-out infinite;
}
.pulse-b { animation-delay: 1.7s; }
.visual-label { position: absolute; display: flex; align-items: center; gap: 10px; }
.visual-label span { color: var(--accent); }
.label-top { top: 16%; right: 0; }
.label-bottom { bottom: 16%; left: 2%; }
.visual-caption {
  position: absolute;
  right: 0;
  bottom: 5%;
  color: var(--soft);
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: .05em;
  text-align: right;
}
.about {
  min-height: 330px;
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  align-items: start;
  gap: 40px;
  padding: 72px 0 80px;
  border-top: 1px solid var(--line);
}
.about-content h2 {
  margin: -10px 0 20px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.05;
  letter-spacing: -.065em;
  font-weight: 480;
}
.about-content h2 em { color: var(--accent); font-style: normal; }
.about-content p {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}
.about-mark {
  color: rgba(185, 228, 200, .12);
  font-size: 108px;
  font-weight: 650;
  letter-spacing: -.1em;
  line-height: .8;
}
.about-mark span { color: rgba(185, 228, 200, .55); }
.site-footer {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}
.footer-mark { font-size: 22px; }
.site-footer p { color: var(--soft); font-size: 11px; letter-spacing: .03em; }
.copyright { font-size: 9px; }
@keyframes pulse {
  0% { opacity: .65; transform: scale(.7); }
  100% { opacity: 0; transform: scale(3.4); }
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
@media (max-width: 800px) {
  .site-header, main, .site-footer { width: min(100% - 48px, var(--page-width)); }
  .hero { grid-template-columns: 1fr; gap: 8px; padding: 76px 0 65px; }
  h1 { font-size: clamp(58px, 12vw, 88px); }
  .visual { min-height: 390px; margin-top: 5px; }
  .network { max-width: 440px; }
  .label-top { right: 5%; top: 10%; }
  .label-bottom { left: 4%; bottom: 12%; }
  .about { grid-template-columns: 1fr auto; gap: 30px 15px; padding: 55px 0 65px; }
  .section-index { grid-column: 1 / -1; }
  .about-content { grid-column: 1; }
  .about-mark { grid-column: 2; grid-row: 2; font-size: 75px; }
}
@media (max-width: 480px) {
  .site-header { height: 78px; }
  .header-link { font-size: 10px; }
  .hero { padding-top: 60px; }
  .eyebrow { font-size: 8px; gap: 8px; }
  h1 { margin-top: 29px; font-size: 58px; }
  .intro { font-size: 14px; }
  .visual { min-height: 320px; margin-inline: -10px; }
  .visual-caption { right: 4%; bottom: 1%; }
  .about { grid-template-columns: 1fr; }
  .about-mark { display: none; }
  .site-footer { min-height: 110px; flex-wrap: wrap; padding: 22px 0; }
  .site-footer p { order: 3; width: 100%; margin: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}