/* C3 Redstone - one stylesheet for every page.
   Palette: a near-black stone ground, redstone red as the single accent,
   the MOTD's lime green for "C3", warm off-white ink. */
:root {
  --bg: #0e0f11;
  --surface: #16181b;
  --surface-2: #1d2024;
  --line: #2b2f34;
  --ink: #ece9e4;
  --muted: #a3a7ad;
  --redstone: #e23a22;
  --redstone-deep: #a8261a;
  --glow: rgba(226, 58, 34, 0.28);
  --c3: #5bd36b;
  --gold: #f4c542;
  --radius: 10px;
  --wrap: 1080px;
  --pixel: "Silkscreen", "Courier New", monospace;
  --body: "Nunito Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration-color: var(--redstone); text-underline-offset: 3px; }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--redstone); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 20px; }

/* ---------- header / nav ---------- */
.site-head { border-bottom: 1px solid var(--line); background: rgba(14, 15, 17, 0.92); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(6px); }
.site-head .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.logo { font: 400 22px/1 var(--pixel); text-decoration: none; letter-spacing: 1px; white-space: nowrap; }
.logo .c3 { color: var(--c3); }
.logo .rs { color: var(--redstone); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.nav a { text-decoration: none; color: var(--muted); padding: 8px 12px; border-radius: 8px; font-weight: 700; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }
.nav a.store { color: var(--gold); }

/* ---------- hero ---------- */
.hero { padding-block: 72px 56px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 620px; height: 620px;
  background: radial-gradient(circle, var(--glow), transparent 62%); pointer-events: none;
}
.hero h1 { font: 400 clamp(40px, 8vw, 76px)/1.02 var(--pixel); margin: 0 0 18px; letter-spacing: 2px; text-wrap: balance; }
.hero h1 .c3 { color: var(--c3); }
.hero h1 .rs { color: var(--redstone); text-shadow: 0 0 24px var(--glow); }
.hero p.lede { font-size: 20px; color: var(--muted); max-width: 46ch; margin: 0 0 28px; }

.join { display: flex; flex-wrap: wrap; gap: 12px; align-items: stretch; }
.ip {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px 12px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.ip .lbl { font: 700 11px/1 var(--body); text-transform: uppercase; letter-spacing: 1.4px; color: var(--muted); display: block; margin-bottom: 4px; }
.ip code { font: 600 17px/1.2 var(--mono); color: var(--ink); }
.ip .port { color: var(--muted); font-weight: 400; }
button.copy {
  font: 700 13px/1 var(--body); color: var(--ink); background: var(--surface-2); border: 1px solid var(--line);
  padding: 9px 12px; border-radius: 8px; cursor: pointer;
}
button.copy:hover { border-color: var(--redstone); }
button.copy.done { color: var(--c3); border-color: var(--c3); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 800;
  padding: 12px 18px; border-radius: var(--radius); background: var(--redstone); color: #fff; border: 1px solid var(--redstone);
}
.btn:hover { background: var(--redstone-deep); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--redstone); }

.status { margin-top: 18px; display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: 15px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.status.up .dot { background: var(--c3); box-shadow: 0 0 10px var(--c3); }
.status.down .dot { background: var(--redstone); }
.status strong { color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- sections ---------- */
section { padding-block: 44px; }
h2 { font: 400 26px/1.2 var(--pixel); letter-spacing: 1px; margin: 0 0 8px; text-wrap: balance; }
h2 .rs { color: var(--redstone); }
h3 { font-size: 19px; margin: 28px 0 8px; }
.sub { color: var(--muted); margin: 0 0 24px; max-width: 64ch; }
p, li { max-width: 68ch; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 8px;
}
.card h3 { margin: 0; }
.card p { margin: 0; color: var(--muted); }
a.card { text-decoration: none; transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--redstone); transform: translateY(-2px); }
.card .more { margin-top: auto; color: var(--redstone); font-weight: 800; font-size: 14px; }
.tag { align-self: flex-start; font: 700 11px/1 var(--body); letter-spacing: 1.2px; text-transform: uppercase; padding: 5px 8px; border-radius: 6px; background: var(--surface-2); color: var(--muted); }
.tag.member { color: var(--c3); }

/* ---------- guide pages ---------- */
.page-head { padding-block: 48px 8px; }
.page-head h1 { font: 400 clamp(30px, 5vw, 44px)/1.1 var(--pixel); margin: 0 0 10px; letter-spacing: 1px; }
.page-head p { color: var(--muted); font-size: 18px; margin: 0; }

.layout { display: grid; grid-template-columns: 210px 1fr; gap: 40px; padding-block: 24px 64px; }
.toc { position: sticky; top: 88px; align-self: start; font-size: 14px; }
.toc a { display: block; text-decoration: none; color: var(--muted); padding: 6px 10px; border-left: 2px solid var(--line); }
.toc a:hover { color: var(--ink); border-left-color: var(--redstone); }
@media (max-width: 820px) { .layout { grid-template-columns: 1fr; } .toc { position: static; display: flex; flex-wrap: wrap; gap: 4px; } .toc a { border: 1px solid var(--line); border-radius: 6px; } }

.lead-line { font-size: 18px; color: var(--ink); }
ol.steps { padding-left: 0; list-style: none; counter-reset: s; }
ol.steps > li { counter-increment: s; position: relative; padding-left: 44px; margin-bottom: 14px; }
ol.steps > li::before {
  content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; display: grid; place-items: center;
  font: 400 15px/1 var(--pixel); background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; color: var(--redstone);
}

kbd, code { font-family: var(--mono); font-size: 0.92em; }
code { background: var(--surface-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 5px; }

.table-wrap { overflow-x: auto; margin: 14px 0 22px; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 700 12px/1.2 var(--body); text-transform: uppercase; letter-spacing: 1px; color: var(--muted); background: var(--surface); }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

.note { border-left: 3px solid var(--redstone); background: var(--surface); padding: 12px 16px; border-radius: 0 8px 8px 0; color: var(--muted); }
.note strong { color: var(--ink); }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding-block: 28px; color: var(--muted); font-size: 14px; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; }
.site-foot a { color: var(--muted); }
.site-foot .spacer { margin-left: auto; }