:root {
  color-scheme: dark;
  --bg: #05070d;
  --panel: #0b111b;
  --panel-2: #0e1723;
  --line: rgba(76, 229, 239, 0.22);
  --cyan: #39f6ff;
  --pink: #ff2ea6;
  --text: #eef7fb;
  --muted: #8198a8;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(57, 246, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 246, 255, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 82% 0%, rgba(57, 246, 255, 0.1), transparent 30rem),
    radial-gradient(circle at 10% 55%, rgba(255, 46, 166, 0.07), transparent 28rem),
    var(--bg);
  background-size: 28px 28px, 28px 28px, auto, auto, auto;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--cyan); text-underline-offset: 0.2em; }
a:hover { color: #a8fbff; }

.shell {
  width: min(940px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 54px;
}

.brand {
  color: var(--text);
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand span { color: var(--cyan); }

.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--muted); font: 700 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.1em; text-decoration: none; }

.hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 22px;
  padding: clamp(28px, 7vw, 66px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(14, 23, 35, 0.97), rgba(6, 10, 17, 0.97));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 28px;
  background: var(--pink);
  clip-path: polygon(0 0, 100% 100%, 100% 0);
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: var(--cyan);
  font: 700 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.signal::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.7rem, 9vw, 6.2rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}

h1 em { color: var(--cyan); font-style: normal; }

.lead {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.updated { margin-top: 22px; color: var(--muted); font: 0.72rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.08em; }

.content { display: grid; gap: 14px; }

.card {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  background: rgba(11, 17, 27, 0.92);
}

.card h2 {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card h2::before { content: "// "; color: var(--cyan); }
.card p { margin: 0 0 14px; color: #bdcbd3; }
.card p:last-child { margin-bottom: 0; }
.card ul { margin: 14px 0 0; padding-left: 1.2rem; color: #bdcbd3; }
.card li + li { margin-top: 8px; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--cyan);
  color: #001014;
  background: var(--cyan);
  font: 900 0.76rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.button.secondary { color: var(--cyan); background: transparent; }

.board-mark {
  display: grid;
  grid-template-columns: repeat(4, 18px);
  width: fit-content;
  overflow: hidden;
  margin-bottom: 34px;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 28px rgba(57, 246, 255, 0.2);
}

.board-mark i { width: 18px; height: 18px; background: #080b13; }
.board-mark i:nth-child(2), .board-mark i:nth-child(4), .board-mark i:nth-child(5), .board-mark i:nth-child(7),
.board-mark i:nth-child(10), .board-mark i:nth-child(12), .board-mark i:nth-child(13), .board-mark i:nth-child(15) { background: #25303e; }

footer {
  margin-top: 30px;
  color: var(--muted);
  font: 0.7rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-align: center;
}

@media (max-width: 620px) {
  .shell { width: min(100% - 22px, 940px); padding-top: 20px; }
  nav { align-items: flex-start; margin-bottom: 34px; }
  .nav-links { flex-direction: column; gap: 12px; text-align: right; }
  .hero { clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%); }
  .hero::after { width: 20px; height: 20px; }
}