:root {
  color-scheme: dark;
  --ink: #eaf4f1;
  --muted: #9aacaa;
  --line: rgba(234, 244, 241, .15);
  --bg: #081522;
  --panel: #0c1d2b;
  --accent: #6fe4c1;
  --accent-soft: rgba(111, 228, 193, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.site-header,
main,
footer { width: min(1280px, calc(100% - 80px)); margin-inline: auto; }

.site-header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 1.08rem; font-weight: 650; letter-spacing: .02em; }
.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(111,228,193,.55);
  border-radius: 50%;
  color: var(--accent);
  font: 650 15px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}
nav { display: flex; align-items: center; gap: 34px; color: var(--muted); font-size: .9rem; }
nav a { transition: color .2s ease; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.nav-contact { color: var(--ink); border-bottom: 1px solid var(--accent); }

.hero { min-height: 720px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 8vw; padding: 90px 0; }
.eyebrow, .section-number { color: var(--muted); text-transform: uppercase; letter-spacing: .16em; font-size: .75rem; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 28px 0 30px; font-size: clamp(4rem, 8vw, 7.4rem); line-height: .97; font-weight: 560; letter-spacing: -.07em; }
.hero-lead { max-width: 590px; color: #bed0cc; font-size: clamp(1.08rem, 1.7vw, 1.35rem); line-height: 1.75; }
.primary-link { margin-top: 28px; display: inline-flex; align-items: center; gap: 22px; padding: 13px 0; border-bottom: 1px solid var(--accent); font-weight: 560; }
.primary-link span { color: var(--accent); }

.hero-art { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.hero-art::before { content: ""; position: absolute; inset: 15%; border-radius: 50%; background: radial-gradient(circle at 50% 50%, rgba(111,228,193,.14), transparent 68%); filter: blur(10px); }
.orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.orbit-one { inset: 8%; }
.orbit-two { inset: 25%; border-color: rgba(111,228,193,.28); }
.orbit-one::before, .orbit-two::before { content: ""; position: absolute; width: 9px; height: 9px; background: var(--accent); border-radius: 50%; top: 16%; left: 12%; box-shadow: 0 0 18px var(--accent); }
.orbit-two::before { top: auto; left: auto; bottom: 10%; right: 18%; width: 5px; height: 5px; }
.focus-point { width: 16%; aspect-ratio: 1; border-radius: 50%; background: var(--accent); box-shadow: 0 0 80px rgba(111,228,193,.45); }
.hero-art p { position: absolute; right: 0; bottom: 9%; color: var(--muted); font: 500 .72rem/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .15em; }

.statement, .focus, .contact { border-top: 1px solid var(--line); padding: 110px 0; }
.statement { display: grid; grid-template-columns: .42fr 1fr; gap: 60px; }
.statement h2, .focus h2, .contact h2 { font-size: clamp(2.45rem, 4.8vw, 4.6rem); line-height: 1.18; letter-spacing: -.055em; font-weight: 520; }
.statement div > p { max-width: 680px; color: var(--muted); font-size: 1.08rem; line-height: 1.9; }

.focus { display: grid; grid-template-columns: .7fr 1fr; gap: 8vw; }
.focus-heading h2 { margin-top: 36px; }
.principles article { display: grid; grid-template-columns: 48px 180px 1fr; gap: 24px; align-items: start; padding: 32px 0; border-bottom: 1px solid var(--line); }
.principles article:first-child { border-top: 1px solid var(--line); }
.principles span { color: var(--accent); font: 500 .75rem/1.6 ui-monospace, SFMono-Regular, Menlo, monospace; }
.principles h3 { margin: 0; font-size: 1.05rem; font-weight: 580; }
.principles p { margin: 0; color: var(--muted); }

.contact { min-height: 560px; display: grid; grid-template-columns: .42fr 1fr; gap: 60px; background: linear-gradient(135deg, transparent 55%, var(--accent-soft)); }
.contact a { display: inline-flex; align-items: center; gap: 18px; color: var(--accent); font-size: clamp(1.05rem, 2vw, 1.35rem); border-bottom: 1px solid rgba(111,228,193,.5); padding-bottom: 8px; }
footer { min-height: 150px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 50px; color: var(--muted); font-size: .8rem; }
.footer-brand { color: var(--ink); }
.icp-link:hover, .icp-link:focus-visible { color: var(--ink); }

@media (prefers-reduced-motion: no-preference) {
  .orbit-one { animation: turn 28s linear infinite; }
  .orbit-two { animation: turn 18s linear infinite reverse; }
  @keyframes turn { to { transform: rotate(360deg); } }
}

@media (max-width: 820px) {
  .site-header, main, footer { width: min(100% - 36px, 680px); }
  .site-header { height: 76px; }
  nav a:not(.nav-contact) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 20px; padding: 70px 0 90px; }
  h1 { font-size: clamp(3.8rem, 18vw, 6.3rem); }
  .hero-art { width: min(100%, 520px); margin: 0 auto; }
  .statement, .focus, .contact { grid-template-columns: 1fr; padding: 76px 0; gap: 40px; }
  .focus-heading h2 { margin-bottom: 0; }
  .principles article { grid-template-columns: 38px 1fr; gap: 12px 18px; }
  .principles article p { grid-column: 2; }
  footer { grid-template-columns: 1fr; gap: 18px; padding: 40px 0; }
}

@media (max-width: 460px) {
  .hero { padding-top: 54px; }
  .hero-art p { right: 2%; }
  .statement h2, .focus h2, .contact h2 { font-size: 2.5rem; }
}