:root {
  --forest: #0E0F0A;
  --forest-deep: #080905;
  --forest-soft: #16180F;
  --hood: #CCFF00;
  --hood-bright: #DBFF3D;
  --hood-dim: #7B910F;
  --loot: #E8C547;
  --bone: #F0EDE5;
  --bone-dim: #A8AC98;
  --blood: #C73E1D;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--forest);
  color: var(--bone);
  font-family: 'Space Grotesk', -apple-system, system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--hood); text-decoration: none; }
a:hover { color: var(--hood-bright); }

.mono { font-family: 'JetBrains Mono', 'Courier New', monospace; }

/* Grid background */
.grid-bg {
  background-image:
    linear-gradient(rgba(204,255,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204,255,0,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Nav */
nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  background: rgba(14,15,10,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(204,255,0,0.2);
}
nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: -0.02em; color: var(--bone); }
nav .links { display: flex; gap: 24px; align-items: center; }
nav .links a { font-size: 14px; color: var(--bone-dim); }
nav .links a:hover { color: var(--hood); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 24px;
  background: var(--hood); color: var(--forest);
  font-weight: 700; font-size: 14px; letter-spacing: -0.01em;
  border: none; cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background 0.15s;
}
.btn:hover { background: var(--hood-bright); color: var(--forest); }
.btn-ghost {
  background: transparent; color: var(--bone);
  border: 1px solid rgba(240,237,229,0.3);
}
.btn-ghost:hover { border-color: var(--hood); color: var(--hood); background: transparent; }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }

/* Hero */
.hero { position: relative; padding: 80px 0; overflow: hidden; }
.hero h1 { font-size: clamp(48px, 9vw, 96px); font-weight: 700; line-height: 0.9; letter-spacing: -0.03em; }
.hero h1 .green { color: var(--hood); }
.hero p.sub { margin-top: 24px; max-width: 560px; font-size: 18px; color: var(--bone-dim); }
.hero .cta-row { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--hood);
  border: 1px solid rgba(204,255,0,0.4); padding: 6px 12px; margin-bottom: 24px;
}
.badge .dot { width: 6px; height: 6px; background: var(--hood); border-radius: 50%; }

/* Cards */
.card {
  background: var(--forest-soft);
  border: 1px solid rgba(204,255,0,0.2);
  padding: 24px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.card:hover { border-color: rgba(204,255,0,0.5); }
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* Rules list */
.rules { counter-reset: rule; }
.rules .rule { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(204,255,0,0.15); }
.rules .rule .n {
  font-family: 'JetBrains Mono', monospace; color: var(--hood);
  font-weight: 700; min-width: 32px;
}
.rules .rule .txt strong { display: block; margin-bottom: 4px; }
.rules .rule .txt span { color: var(--bone-dim); font-size: 15px; }

/* Forms */
.form { max-width: 420px; margin: 0 auto; }
.form h2 { font-size: 32px; margin-bottom: 24px; letter-spacing: -0.02em; }
.form label { display: block; font-size: 13px; color: var(--bone-dim); margin: 16px 0 6px; }
.form input {
  width: 100%; padding: 12px 14px;
  background: var(--forest-deep); border: 1px solid rgba(204,255,0,0.3);
  color: var(--bone); font-size: 15px; font-family: inherit;
}
.form input:focus { outline: none; border-color: var(--hood); }
.form .btn { width: 100%; margin-top: 24px; text-align: center; }
.form .switch { text-align: center; margin-top: 16px; font-size: 14px; color: var(--bone-dim); }
.msg { padding: 12px; margin-top: 16px; font-size: 14px; }
.msg.error { background: rgba(199,62,29,0.15); border: 1px solid var(--blood); color: #ff9b82; }
.msg.ok { background: rgba(204,255,0,0.12); border: 1px solid var(--hood); color: var(--hood-bright); }

/* Leaderboard table */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid rgba(204,255,0,0.15); }
th { font-size: 12px; color: var(--bone-dim); text-transform: uppercase; letter-spacing: 0.05em; }
td { font-size: 15px; }
tr:hover td { background: rgba(204,255,0,0.04); }
.rank { font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--loot); }
.rank.top { color: var(--hood); }

/* Countdown */
.countdown {
  font-family: 'JetBrains Mono', monospace; font-size: 28px;
  color: var(--hood); font-weight: 700;
}

/* Utility */
.center { text-align: center; }
.dim { color: var(--bone-dim); }
.gold { color: var(--loot); }
.green { color: var(--hood); }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.big-num { font-size: 32px; font-weight: 700; color: var(--hood); }
.footer { border-top: 1px solid rgba(204,255,0,0.2); padding: 32px 0; color: var(--bone-dim); font-size: 14px; }

@media (max-width: 640px) {
  nav .links { display: none; }
  .hero h1 { font-size: 48px; }
}