:root {
  --bg: #06080c;
  --panel: rgba(14, 19, 27, 0.72);
  --panel-solid: #0d1219;
  --line: rgba(120, 200, 255, 0.12);
  --line-strong: rgba(120, 200, 255, 0.28);
  --text: #e6edf5;
  --muted: #7b8896;
  --dim: #4a5562;
  --accent: #36e2ff;
  --accent-2: #8b7bff;
  --ok: #3cf28f;
  --warn: #ffb547;
  --off: #ff5566;
  --idle: #5d6875;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --display: 'Space Grotesk', system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--mono);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* ── Background ───────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 100%);
  opacity: 0.55;
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none;
  width: 900px; height: 600px; top: -260px; left: 50%; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(54, 226, 255, 0.16), transparent),
              radial-gradient(closest-side at 70% 60%, rgba(139, 123, 255, 0.12), transparent);
  filter: blur(20px);
}

/* ── Top bar ──────────────────────────────── */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  background: rgba(6, 8, 12, 0.7);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 56px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.14em; font-size: 13px; }
.logo-mark {
  width: 14px; height: 14px; border: 2px solid var(--accent); border-radius: 3px;
  box-shadow: 0 0 12px var(--accent), inset 0 0 6px var(--accent);
}
.topbar nav { display: flex; gap: 20px; margin-left: auto; font-size: 13px; }
.topbar nav a { color: var(--muted); transition: color 0.2s; }
.topbar nav a:hover { color: var(--accent); }
.topbar nav a::before { content: './'; color: var(--dim); }
.sys { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
@media (max-width: 640px) {
  .topbar nav { display: none; }
  .sys { margin-left: auto; }
}

/* ── LEDs ─────────────────────────────────── */
.led { width: 8px; height: 8px; border-radius: 50%; background: var(--idle); flex: none; }
.led.on, .led.online { background: var(--ok); box-shadow: 0 0 10px var(--ok); animation: pulse 2.4s ease-in-out infinite; }
.led.testing, .led.checking { background: var(--warn); box-shadow: 0 0 10px var(--warn); }
.led.checking { animation: blink 0.8s steps(2) infinite; }
.led.offline { background: var(--off); box-shadow: 0 0 10px var(--off); }
.led.planned { background: transparent; border: 1px solid var(--idle); }
@keyframes pulse { 50% { opacity: 0.45; } }
@keyframes blink { 50% { opacity: 0.2; } }

/* ── Hero ─────────────────────────────────── */
.hero {
  display: grid; gap: 40px; align-items: center;
  padding-top: 72px; padding-bottom: 56px;
}
@media (min-width: 960px) { .hero { grid-template-columns: 1.05fr 1fr; padding-top: 96px; } }
.eyebrow { color: var(--accent); font-size: 13px; margin: 0 0 12px; letter-spacing: 0.05em; }
h1 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(48px, 11vw, 104px); line-height: 0.92; letter-spacing: -0.02em;
  margin: 0 0 20px;
  background: linear-gradient(180deg, #fff 20%, #8fa3b8 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative;
}
h1::after {
  content: attr(data-text); position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  clip-path: inset(0 0 100% 0); animation: glitch 7s infinite;
}
@keyframes glitch {
  0%, 92%, 100% { clip-path: inset(0 0 100% 0); transform: none; }
  93% { clip-path: inset(20% 0 55% 0); transform: translateX(-4px); }
  95% { clip-path: inset(60% 0 12% 0); transform: translateX(4px); }
  97% { clip-path: inset(40% 0 40% 0); transform: translateX(-2px); }
}
.tagline { color: var(--muted); font-size: 16px; max-width: 46ch; margin: 0 0 32px; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; max-width: 520px; }
@media (min-width: 520px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--panel-solid); padding: 14px 16px; }
.stat b { display: block; font-family: var(--display); font-size: 28px; line-height: 1.1; color: var(--text); font-variant-numeric: tabular-nums; }
.stat span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }

/* ── Terminal ─────────────────────────────── */
.terminal {
  background: rgba(8, 11, 16, 0.9);
  border: 1px solid var(--line-strong); border-radius: 12px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4), 0 30px 80px -20px rgba(54, 226, 255, 0.18);
  overflow: hidden; position: relative; min-width: 0;
}
.terminal::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 3px);
}
.term-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a323c; }
.term-bar i:nth-child(1) { background: #ff5f57; } .term-bar i:nth-child(2) { background: #febc2e; } .term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { margin-left: 10px; font-size: 12px; color: var(--muted); }
.term-body { margin: 0; padding: 18px; font: 13px/1.75 var(--mono); min-height: 300px; white-space: pre-wrap; word-break: break-word; color: #b9c6d3; }
.term-body .p { color: var(--accent); }
.term-body .ok { color: var(--ok); }
.term-body .warn { color: var(--warn); }
.term-body .dim { color: var(--dim); }
.term-body .hl { color: #fff; }
.cursor { display: inline-block; width: 8px; height: 1.1em; vertical-align: text-bottom; background: var(--accent); animation: blink 1s steps(2) infinite; }

/* ── Marquee ──────────────────────────────── */
.marquee {
  overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track { display: flex; gap: 48px; padding: 14px 0; width: max-content; animation: scroll 40s linear infinite; }
.marquee-track span { color: var(--dim); font-size: 13px; text-transform: uppercase; letter-spacing: 0.18em; white-space: nowrap; }
.marquee-track span::before { content: '◆ '; color: var(--accent); opacity: 0.6; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ── Sections ─────────────────────────────── */
.section { padding-top: 88px; scroll-margin-top: 56px; }
.section-head { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.section-head .idx { color: var(--accent); font-size: 13px; }
.section-head h2 { font-family: var(--display); font-size: 28px; margin: 0; letter-spacing: -0.01em; }
.section-head .rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-strong), transparent); }
.section-meta { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; }
@media (max-width: 520px) { .section-meta { display: none; } }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; backdrop-filter: blur(6px); }

/* ── Service modules ──────────────────────── */
.rack { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.module {
  --c: var(--accent);
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: 20px; border-radius: 14px;
  background: linear-gradient(180deg, rgba(20, 27, 37, 0.9), rgba(11, 15, 21, 0.9));
  border: 1px solid var(--line);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  overflow: hidden;
}
.module::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(54, 226, 255, 0.12), transparent 40%);
}
.module:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: 0 20px 50px -20px rgba(54, 226, 255, 0.25); }
.module:hover::before { opacity: 1; }
.module.planned { opacity: 0.6; border-style: dashed; }
.module-top { display: flex; align-items: center; gap: 12px; }
.icon {
  width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; flex: none;
  background: rgba(54, 226, 255, 0.08); border: 1px solid rgba(54, 226, 255, 0.25); color: var(--accent);
}
.icon svg { width: 22px; height: 22px; }
.module h3 { font-family: var(--display); font-size: 19px; margin: 0; line-height: 1.2; }
.module .cat { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; }
.status-chip {
  margin-left: auto; display: inline-flex; align-items: center; gap: 7px;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted);
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; white-space: nowrap;
}
.module p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span { font-size: 11px; padding: 3px 8px; border-radius: 6px; background: rgba(139, 123, 255, 0.1); color: #b8adff; border: 1px solid rgba(139, 123, 255, 0.22); }
.module-foot {
  margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12.5px;
}
.module-foot .url { color: var(--accent); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.module-foot .url:hover { text-decoration: underline; }
.module-foot .port { color: var(--dim); flex: none; }
.bars { display: flex; gap: 3px; align-items: flex-end; height: 16px; }
.bars i { width: 3px; background: var(--accent); opacity: 0.5; border-radius: 1px; animation: eq 1.4s ease-in-out infinite; }
.module:not(.is-up) .bars i { animation: none; height: 3px !important; opacity: 0.25; }
@keyframes eq { 0%, 100% { height: 4px; } 50% { height: 16px; } }

/* ── Topology ─────────────────────────────── */
.topo { padding: 24px 12px; overflow: hidden; }
.topo svg { display: block; width: 100%; height: auto; margin: 0 auto; }
.topo .n-box { fill: #0e141c; stroke: var(--line-strong); }
.topo .n-box.core { stroke: var(--accent); filter: drop-shadow(0 0 8px rgba(54, 226, 255, 0.45)); }
.topo .n-title { fill: var(--text); font: 700 13px var(--display); }
.topo .n-sub { fill: var(--muted); font: 11px var(--mono); }
.topo .wire { fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
.topo .flow { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 3 11; animation: flow 1.2s linear infinite; }
.topo .flow.off { stroke: var(--idle); animation: none; opacity: 0.4; }
@keyframes flow { to { stroke-dashoffset: -14; } }

/* ── Hardware ─────────────────────────────── */
.hw { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); }
.server { padding: 0; overflow: hidden; }
.server-face {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0 2px, transparent 2px 6px), #0f151d;
  border-bottom: 1px solid var(--line);
}
.server-face b { font-family: var(--display); font-size: 17px; }
.server-face .role { color: var(--muted); font-size: 12px; margin-left: auto; }
.server-face .leds { display: flex; gap: 5px; }
.server-face .leds .led:nth-child(2) { animation-delay: 0.6s; }
.server-face .leds .led:nth-child(3) { background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: blink 0.35s steps(2) infinite; }
.specs { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; padding: 18px; margin: 0; font-size: 13px; }
.specs dt { color: var(--dim); text-transform: uppercase; letter-spacing: 0.1em; font-size: 11px; padding-top: 2px; }
.specs dd { margin: 0; color: var(--text); }

/* ── Roadmap ──────────────────────────────── */
.roadmap { display: grid; gap: 10px; }
.road { display: flex; align-items: center; gap: 14px; padding: 14px 18px; font-size: 14px; }
.road .muted { color: var(--muted); font-size: 13px; }

/* ── Footer ───────────────────────────────── */
.footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  margin-top: 96px; padding-top: 24px; padding-bottom: 32px;
  border-top: 1px solid var(--line); color: var(--dim); font-size: 12px;
}


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ── Host groups ──────────────────────────── */
.racks { display: grid; gap: 40px; }
.host-group { display: grid; gap: 14px; }
.host-head {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px;
  padding-bottom: 10px; border-bottom: 1px dashed var(--line);
}
.host-head b { font-family: var(--display); font-size: 18px; }
.host-role { color: var(--muted); font-size: 13px; }
.host-count { margin-left: auto; color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; }
.module-name { min-width: 0; }
.module-foot .lan { color: var(--dim); }

/* ── Topology additions ───────────────────── */
.topo-scroll { overflow-x: auto; }
.topo .n-box.host { stroke: rgba(139, 123, 255, 0.55); }
.topo .wire.lan { stroke-dasharray: 2 5; opacity: 0.7; }
.topo-legend { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: center; margin-top: 18px; font-size: 12px; color: var(--muted); }
.topo-legend span { display: inline-flex; align-items: center; gap: 8px; }
.topo-legend i { width: 26px; height: 0; border-top: 2px dashed var(--accent); }
.topo-legend i.lg-lan { border-top: 2px dotted var(--line-strong); }

/* ── Hardware: services list ──────────────── */
.specs dd.runs { display: flex; flex-wrap: wrap; gap: 6px; }
.specs dd.runs span { font-size: 11px; padding: 2px 8px; border-radius: 6px; border: 1px solid var(--line); color: var(--muted); }