:root {
  --ink: #f4f4f1;
  --muted: #a8aaa7;
  --surface: #090b0c;
  --card: #121618;
  --line: rgba(255,255,255,.11);
  --acid: #c7ff45;
  --violet: #9e7cff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--surface); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
.shell { width: min(calc(100% - 40px), 1180px); margin-inline: auto; }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.logo { display: inline-flex; align-items: center; gap: 11px; color: white; text-decoration: none; font-size: 16px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.logo-mark { width: 31px; height: 31px; display: grid; place-items: center; border-radius: 9px; color: #0b0d0d; background: var(--acid); font-size: 15px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 750; }
.nav-links a:hover { color: white; }
.hero { min-height: 650px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 80px; padding-block: 90px; }
.kicker { margin: 0 0 16px; color: var(--acid); font-size: 11px; font-weight: 900; letter-spacing: .2em; text-transform: uppercase; }
h1 { max-width: 820px; margin: 0; font-size: clamp(54px,9vw,112px); line-height: .88; letter-spacing: -.065em; }
.hero-copy { max-width: 600px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.signal { position: relative; min-height: 390px; overflow: hidden; border: 1px solid var(--line); border-radius: 34px; background: radial-gradient(circle at 30% 25%,rgba(199,255,69,.2),transparent 35%),radial-gradient(circle at 75% 75%,rgba(158,124,255,.25),transparent 35%),#101416; }
.signal::before,.signal::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; }
.signal::before { width: 260px; height: 260px; left: 60px; top: 58px; }
.signal::after { width: 150px; height: 150px; left: 115px; top: 113px; background: repeating-linear-gradient(45deg,transparent 0 8px,rgba(199,255,69,.08) 8px 9px); }
.signal-core { position: absolute; inset: 0; display: grid; place-items: center; color: var(--acid); font-size: 70px; font-weight: 950; letter-spacing: -.08em; }
.section { padding-block: 90px; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 32px; }
.section h2 { margin: 0; font-size: clamp(34px,5vw,62px); letter-spacing: -.045em; }
.section-head p { max-width: 480px; margin: 0; color: var(--muted); line-height: 1.6; }
.project-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.project-card { min-height: 280px; display: grid; align-content: space-between; gap: 32px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--card); text-decoration: none; transition: transform .2s,border-color .2s; }
.project-card:hover { transform: translateY(-4px); border-color: rgba(199,255,69,.55); }
.project-card.locked { background: linear-gradient(135deg,rgba(158,124,255,.1),transparent),var(--card); }
.project-card .icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; color: #101311; background: var(--acid); font-size: 20px; }
.project-card.locked .icon { color: white; background: var(--violet); }
.project-card h3 { margin: 0 0 8px; font-size: 25px; }
.project-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.project-meta { display: flex; justify-content: space-between; gap: 14px; color: var(--acid); font-size: 12px; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 11px 17px; border: 1px solid var(--line); border-radius: 999px; color: #0b0d0d; background: var(--acid); text-decoration: none; font-size: 13px; font-weight: 900; }
.closed-hero { min-height: 430px; display: grid; align-content: center; justify-items: start; padding-block: 70px; }
.closed-hero h1 { font-size: clamp(48px,8vw,92px); }
.closed-hero p { max-width: 650px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.notice { margin-bottom: 28px; padding: 13px 16px; border: 1px solid rgba(199,255,69,.25); border-radius: 12px; color: #dfffa0; background: rgba(199,255,69,.07); font-size: 13px; }
.footer { display: flex; justify-content: space-between; gap: 20px; padding-block: 32px; border-top: 1px solid var(--line); color: #777d79; font-size: 12px; }

@media (max-width: 780px) {
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 44px; padding-block: 70px; }
  .signal { min-height: 300px; }
  .project-grid { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .section-head p { margin-top: 14px; }
}

@media (max-width: 520px) {
  .shell { width: min(calc(100% - 28px),1180px); }
  .nav-links a:not(.button) { display: none; }
  h1 { font-size: 51px; }
  .signal { min-height: 250px; }
  .signal::before { left: calc(50% - 130px); top: -5px; }
  .signal::after { left: calc(50% - 75px); top: 50px; }
  .footer { display: block; }
  .footer span { display: block; margin-top: 8px; }
}