:root{
  --bg:#12161a;--bg2:#171d22;--panel:#1e262c;--line:#2c373f;
  --grass:#5fa64a;--grass2:#4a8a38;--dirt:#7a5537;--gold:#f0b429;
  --txt:#e7edf1;--dim:#9fb0bb;--ok:#57c36b;
  --w:1100px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--txt);
  font:16px/1.6 "Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--grass);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--w);margin:0 auto;padding:0 16px}
.mono{font-family:"Consolas","Courier New",monospace}

/* ---- шапка ---- */
header{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#1a2127,#12161a);
  position:sticky;top:0;z-index:5;
}
.nav{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.5px}
.logo b{color:var(--grass)}
.nav ul{display:flex;gap:18px;list-style:none;margin:0 0 0 auto;padding:0}
.nav a{color:var(--dim);font-size:15px}
.nav a:hover{color:var(--txt);text-decoration:none}
.burger{display:none}

/* ---- герой ---- */
.hero{
  padding:56px 0 44px;
  background:
    radial-gradient(900px 300px at 50% -60px,rgba(95,166,74,.18),transparent 70%),
    var(--bg2);
  border-bottom:1px solid var(--line);
}
.hero h1{margin:0 0 10px;font-size:40px;line-height:1.15}
.hero p.lead{margin:0 0 26px;color:var(--dim);max-width:620px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}

.ipbox{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}
.ipbox .lbl{color:var(--dim);font-size:13px;text-transform:uppercase;letter-spacing:.8px}
.iprow{display:flex;align-items:center;gap:12px;margin-top:8px;flex-wrap:wrap}
.ip{font-size:24px;font-weight:700;letter-spacing:.5px}
.copy{
  background:var(--grass);color:#0f1418;border:0;border-radius:7px;
  padding:9px 16px;font-weight:700;cursor:pointer;font-size:14px;
}
.copy:hover{background:var(--grass2)}
.copied{color:var(--ok);font-size:14px}
.verline{margin-top:10px;color:var(--dim);font-size:14px}

.status{display:flex;gap:10px;align-items:center;margin-top:14px;font-size:15px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(87,195,107,.15)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:34px 0 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}
.card h3{margin:10px 0 6px;font-size:17px}
.card p{margin:0;color:var(--dim);font-size:14.5px}

section{padding:52px 0;border-bottom:1px solid var(--line)}
section h2{margin:0 0 6px;font-size:27px}
section .sub{margin:0 0 26px;color:var(--dim)}

.modes{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.mode{display:flex;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}
.mode h3{margin:0 0 4px;font-size:18px}
.mode p{margin:0;color:var(--dim);font-size:14.5px}
.mode .tag{display:inline-block;margin-top:8px;font-size:12px;color:var(--gold);border:1px solid #4a3f1c;background:#26200f;border-radius:20px;padding:2px 10px}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;position:relative}
.step:before{
  counter-increment:s;content:counter(s);
  display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:6px;background:var(--grass);color:#0f1418;font-weight:700;margin-bottom:10px;
}
.step p{margin:0;color:var(--dim);font-size:14.5px}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.gallery figcaption{padding:10px 14px;color:var(--dim);font-size:13.5px}

table.rules{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
table.rules th,table.rules td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
table.rules th{background:#222b31;color:var(--dim);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.6px}
table.rules tr:last-child td{border-bottom:0}
table.rules td.pen{color:var(--gold);white-space:nowrap}

details{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 0;color:var(--dim)}

footer{padding:28px 0;color:var(--dim);font-size:14px}
.foot{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.foot .sp{margin-left:auto}

@media(max-width:900px){
  .hero-grid,.cards,.modes,.steps,.gallery{grid-template-columns:1fr}
  .nav ul{display:none}
  .hero h1{font-size:30px}
}