:root {
  --bg: #070b12;
  --panel: #101826;
  --line: #243044;
  --text: #e7eef8;
  --muted: #8ea0b8;
  --cyan: #3ad6ff;
  --gold: #ffb703;
  --ok: #5cffb0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: Arial, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 420px at 0% 0%, rgba(58,214,255,.16), transparent 55%),
    radial-gradient(700px 380px at 100% 10%, rgba(255,183,3,.1), transparent 50%),
    linear-gradient(#070b12, #0b1220);
}
a { color: var(--cyan); text-decoration: none; }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
header.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7,11,18,.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
header.top .inner { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; gap: 12px; flex-wrap: wrap; }
.brand { color: var(--text); font-weight: 800; letter-spacing: .16em; }
.brand small { display: block; color: var(--muted); letter-spacing: .04em; font-weight: 400; font-size: 11px; }
nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
nav a { color: var(--muted); }
nav a.active, nav a:hover { color: var(--text); }
.lang a { color: var(--muted); margin-left: 6px; }
.hero { padding: 64px 0 28px; }
.hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.05; max-width: 16ch; }
.kicker { color: var(--gold); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 12px; }
.lead { color: var(--muted); font-size: 18px; max-width: 52ch; margin-top: 16px; }
.warn {
  margin: 20px 0; padding: 14px 16px; border: 1px solid rgba(255,183,3,.45);
  background: rgba(255,183,3,.08); color: #ffd37a; border-radius: 12px; font-weight: 700;
}
.row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: linear-gradient(180deg, #5ae4ff, #1ea8d0);
  color: #041018; font-weight: 800; text-transform: uppercase; letter-spacing: .06em;
  padding: 12px 16px; border-radius: 10px; text-decoration: none !important; font-size: 13px;
}
.btn.alt { background: #182232; color: var(--text); border: 1px solid var(--line); }
.list { padding: 10px 0 30px; }
.item { padding: 18px 0; border-top: 1px solid var(--line); }
.item h3 { margin-bottom: 6px; }
.item p, .note, .muted { color: var(--muted); }
.note { padding: 6px 0; }
.projects { display: grid; gap: 16px; padding: 24px 0 60px; }
.proj {
  display: flex; justify-content: space-between; gap: 16px; align-items: center; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px;
}
.proj h2 { font-size: 26px; }
.servers { display: grid; gap: 10px; padding: 8px 0 48px; }
.server {
  display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap;
  background: #121b2a; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px;
}
.server.featured {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(255,183,3,.25), 0 12px 40px rgba(255,183,3,.08);
  background: linear-gradient(90deg, rgba(255,183,3,.12), #121b2a 45%);
}
.server b { display: block; }
.server span { color: var(--muted); font-size: 13px; word-break: break-all; }
.badge { display: inline-block; margin-bottom: 6px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: #041018; background: var(--gold); padding: 3px 8px; border-radius: 999px; font-weight: 800; }
.steps { display: grid; gap: 16px; padding: 16px 0 50px; }
.video { margin: 12px 0; min-height: 200px; border: 1px dashed var(--line); border-radius: 12px; padding: 24px; text-align: center; color: var(--muted); }
.video iframe { width: 100%; min-height: 360px; border: 0; border-radius: 12px; }
form.stack { display: grid; gap: 8px; max-width: 380px; }
input, select, textarea { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); background: #0b1220; color: var(--text); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: top; }
.msg { padding: 10px; margin: 10px 0; border-radius: 8px; }
.msg.err { background: #3a1717; }
.msg.ok { background: #12352e; }
.tag { font-size: 11px; text-transform: uppercase; color: var(--gold); }
footer.bot { border-top: 1px solid var(--line); color: var(--muted); padding: 22px 0 36px; font-size: 13px; }
.guide { display: grid; gap: 14px; padding: 8px 0 56px; }
.guide-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.guide-num {
  width: 56px; height: 56px; border-radius: 16px;
  display: grid; place-items: center;
  background: #182536; color: var(--gold);
  font-size: 22px; font-weight: 800;
}
.guide-body h3 { margin-bottom: 8px; font-size: 20px; }
.guide-body p { color: var(--muted); line-height: 1.65; }
.guide-body img {
  width: 100%; height: auto; display: block;
  margin-top: 14px; border-radius: 12px; border: 1px solid var(--line);
}
@media (max-width: 720px) {
  .hero { padding-top: 36px; }
  .guide-step { grid-template-columns: 1fr; }
  .guide-num { width: 44px; height: 44px; font-size: 18px; border-radius: 12px; }
}