:root {
  --bg: #12151a;
  --panel: #1a1e25;
  --panel-raised: #20252d;
  --line: #2a303a;
  --text: #e8ecf1;
  --dim: #aeb7c4;
  --muted: #7f8997;
  --cyan: #4fc3e8;
  --green: #3ecf72;
}

* { box-sizing: border-box; }

body {
  width: min(100% - 36px, 760px);
  margin: 0 auto;
  background: var(--bg);
  color: var(--dim);
  font: 16px/1.68 "Avenir Next", Avenir, "Helvetica Neue", sans-serif;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-header nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  font-size: 13px;
}

main { padding: 58px 0 54px; }

.eyebrow {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3 { color: var(--text); line-height: 1.2; }
h1 { max-width: 680px; margin: 0 0 18px; font-size: clamp(34px, 7vw, 54px); letter-spacing: -0.035em; }
h2 { margin: 38px 0 10px; font-size: 21px; }
h3 { margin: 0 0 6px; font-size: 16px; }
p, li { margin: 0 0 14px; }
ul { padding-left: 22px; }

.lede { max-width: 680px; color: var(--text); font-size: 19px; line-height: 1.55; }
.updated { margin-top: 8px; color: var(--muted); font-size: 13px; }

.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 30px 0 8px;
}

.fact {
  min-height: 126px;
  padding: 17px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.fact strong {
  display: block;
  margin-bottom: 6px;
  color: var(--green);
  font: 700 24px/1.1 "SFMono-Regular", Consolas, monospace;
}

.fact span { color: var(--dim); font-size: 13px; line-height: 1.45; }

.contact-card {
  margin: 30px 0;
  padding: 22px;
  background: linear-gradient(135deg, var(--panel-raised), var(--panel));
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 12px;
}

.contact-card a {
  display: inline-block;
  margin-top: 5px;
  color: var(--text);
  font: 650 clamp(19px, 4vw, 27px)/1.3 "SFMono-Regular", Consolas, monospace;
  overflow-wrap: anywhere;
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button {
  display: inline-block;
  padding: 10px 14px;
  color: #07150b;
  background: var(--green);
  border-radius: 8px;
  font-weight: 700;
}
.button.secondary { color: var(--text); background: var(--panel); border: 1px solid var(--line); }
.button:hover { text-decoration: none; filter: brightness(1.08); }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 620px) {
  .site-header { align-items: flex-start; flex-direction: column; padding: 17px 0; }
  main { padding-top: 42px; }
  .fact-grid { grid-template-columns: 1fr; }
  .fact { min-height: auto; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}