:root {
  --bg:        #0d1119;
  --bg-2:      #0a0e15;
  --surface:   #151b29;
  --surface-2: #1a2130;
  --line:      #283146;
  --line-soft: #1f2737;
  --ink:       #ecebe4;
  --muted:     #8b93a7;
  --faint:     #5c6479;
  --amber:     #f0b24a;
  --amber-dim: #c98c34;
  --online:    #4cd08a;

  --display: "Space Grotesk", system-ui, sans-serif;
  --body:    "Inter", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--body);
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 12% -8%, rgba(240,178,74,0.10), transparent 60%),
    radial-gradient(900px 600px at 100% 0%, rgba(76,208,138,0.05), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 72%);
  opacity: 0.6;
}

/* ---------- top bar ---------- */
.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px clamp(20px, 5vw, 40px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--ink);
}

.mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  color: var(--amber);
  background: rgba(240,178,74,0.08);
  border: 1px solid rgba(240,178,74,0.22);
}

.brand-text {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}
.brand-tld { color: var(--faint); font-weight: 500; }

.sys {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(255,255,255,0.015);
}
.sys-state { color: var(--online); font-weight: 500; }
.sys-sep   { color: var(--faint); }
.sys-clock { color: var(--ink); font-variant-numeric: tabular-nums; }

.pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--online);
  box-shadow: 0 0 0 0 rgba(76,208,138,0.55);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(76,208,138,0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(76,208,138,0); }
  100% { box-shadow: 0 0 0 0 rgba(76,208,138,0); }
}

/* ---------- layout ---------- */
.wrap {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(28px, 6vw, 64px) clamp(20px, 5vw, 40px) 56px;
}

/* ---------- hero ---------- */
.hero { margin-bottom: clamp(34px, 6vw, 56px); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin: 0 0 18px;
}

.hero-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6.2vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
}

.hero-sub {
  font-size: 1rem;
  color: var(--muted);
  margin: 0;
  max-width: 46ch;
  line-height: 1.6;
}
.hero-sub .accent { color: var(--ink); }

/* ---------- service grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  text-decoration: none;
  color: inherit;
  min-height: 168px;
  transition: transform .26s cubic-bezier(.22,.61,.36,1),
              border-color .26s ease, box-shadow .26s ease;
  opacity: 0;
  transform: translateY(14px);
  animation: rise .55s cubic-bezier(.22,.61,.36,1) forwards;
  animation-delay: var(--d, 0ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }

.card.live:hover,
.card.live:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(240,178,74,0.45);
  box-shadow: 0 16px 34px -20px rgba(0,0,0,0.8),
              0 0 0 1px rgba(240,178,74,0.12);
  outline: none;
}
.card.live:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  color: var(--amber);
  background: rgba(240,178,74,0.10);
  border: 1px solid rgba(240,178,74,0.20);
  transition: background .26s ease, transform .26s ease;
}
.card.live:hover .icon { background: rgba(240,178,74,0.18); transform: scale(1.03); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--online);
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(76,208,138,0.09);
  border: 1px solid rgba(76,208,138,0.22);
  white-space: nowrap;
}
.chip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--online);
  animation: blink 2.4s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.35;} }

.card-body { margin-top: auto; }

.card-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.22rem;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  display: flex;
  align-items: baseline;
  gap: 9px;
}
.card-name small {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}

.card-desc {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 14px;
}

.card-host {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--faint);
  padding-top: 13px;
  border-top: 1px solid var(--line-soft);
}
.card-host .go {
  color: var(--amber);
  transition: transform .26s ease;
}
.card.live:hover .go { transform: translateX(3px); }

/* placeholder / reserved slot */
.card.slot {
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
  border-style: dashed;
  border-color: var(--line-soft);
  background: rgba(255,255,255,0.012);
  color: var(--faint);
  cursor: default;
}
.card.slot .icon {
  color: var(--faint);
  background: rgba(255,255,255,0.03);
  border-color: var(--line-soft);
}
.card.slot .slot-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--muted);
  margin: 0;
}
.card.slot .slot-sub {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  margin: 0;
}

/* ---------- footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px clamp(20px, 5vw, 40px) 34px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
  color: var(--faint);
}
.footer .copy { font-family: var(--mono); letter-spacing: 0.02em; }
.beian {
  font-family: var(--mono);
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color .2s ease;
}
.beian:hover, .beian:focus-visible { color: var(--amber); }
.beian:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

/* ---------- responsive ---------- */
@media (max-width: 560px) {
  .topbar { gap: 12px; }
  .sys { font-size: 0.72rem; padding: 7px 12px; }
  .hero-title { font-size: clamp(2rem, 9vw, 2.6rem); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .card { opacity: 1; transform: none; }
}