@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  --bg: #0E1512;
  --ink: #E8F0EC;
  --muted: #849185;
  --accent: #4FB891;
  --accent-2: #7BD3B0;
  --on-accent: #0E1512;
  --border: #27332D;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --display: 'Space Grotesk', system-ui, sans-serif;
}
*,*::before,*::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex; flex-direction: column;
}
a { color: inherit; text-decoration: none; }

/* --- Masthead with heavy top stripe --- */
.mast {
  padding: 20px clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  border-bottom: 3px solid var(--ink);
  background: var(--bg);
}
.mast__brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.02em; color: var(--ink); font-size: 1rem; }
.mast__box { display: inline-block; width: 18px; height: 18px; background: var(--accent); border: 2px solid var(--ink); }
.mast__center { text-align: center; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--muted); }
.mast__nav { display: flex; gap: 18px; justify-self: end; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.2em; }
.mast__nav a { padding: 6px 12px; border: 2px solid var(--ink); transition: background .15s, color .15s; }
.mast__nav a:hover { background: var(--ink); color: var(--bg); }

/* --- Stage --- */
.stage {
  flex: 1;
  padding: clamp(28px, 4vw, 52px) clamp(20px, 3vw, 32px);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex; flex-direction: column; gap: clamp(28px, 3vw, 40px);
}

.block {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 12px 16px;
  background: var(--ink); color: var(--bg);
  font-family: var(--mono); font-weight: 700;
  font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.2em;
  flex-wrap: wrap;
}

.heading {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.8rem, 9vw, 7.2rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--ink);
  text-transform: uppercase;
  padding: clamp(16px, 3vw, 30px) 0;
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  text-wrap: balance;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 3px solid var(--ink);
}
.cell {
  padding: 18px;
  border-right: 3px solid var(--ink);
  display: flex; flex-direction: column; gap: 6px;
}
.cell:last-child { border-right: 0; }
.cell--a { background: var(--accent); color: var(--on-accent); }
.cell--b { background: var(--bg); }
.cell--c { background: var(--ink); color: var(--bg); }
.cell--d { background: var(--accent-2); color: var(--on-accent); }
.cell__key { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.24em; text-transform: uppercase; opacity: 0.7; }
.cell__val { font-family: var(--display); font-weight: 700; font-size: 1.5rem; letter-spacing: -0.02em; }

.fat {
  display: block;
  padding: 28px 24px;
  background: var(--accent);
  color: var(--on-accent);
  text-align: center;
  font-family: var(--mono); font-weight: 800;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  letter-spacing: 0.08em;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  transition: transform .15s, box-shadow .15s;
  margin-top: 8px;
}
.fat:hover { transform: translate(3px, 3px); box-shadow: 5px 5px 0 var(--ink); }

/* --- Base --- */
.base {
  padding: 14px clamp(20px, 3vw, 32px);
  border-top: 3px solid var(--ink);
  display: flex; justify-content: space-between;
  font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--muted);
  gap: 14px; flex-wrap: wrap;
}
.base a:hover { color: var(--ink); }

@media (max-width: 720px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .cell:nth-child(2n) { border-right: 0; }
  .cell:nth-child(-n+2) { border-bottom: 3px solid var(--ink); }
  .mast { grid-template-columns: auto auto; }
  .mast__center { display: none; }
}

::selection { background: var(--accent); color: var(--on-accent); }