:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #5b6673;
  --line: #d9dee6;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --secure: #7c3aed;
  --shadow: 0 14px 34px rgba(23, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 8px;
  background: var(--ink);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.08;
  letter-spacing: 0;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.meta span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.service {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  min-height: 184px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.service:hover,
.service:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(15, 118, 110, 0.13);
  outline: none;
}

.service-code {
  width: fit-content;
  min-width: 46px;
  margin-bottom: 18px;
  padding: 5px 8px;
  border-radius: 6px;
  background: #e7f5f3;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.service-primary .service-code {
  background: var(--accent);
  color: #ffffff;
}

.service-secure .service-code {
  background: #f0e9ff;
  color: var(--secure);
}

.service-title {
  display: block;
  margin-bottom: 4px;
  font-size: 20px;
  font-weight: 800;
}

.service-host {
  display: block;
  color: var(--accent-strong);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  word-break: break-word;
}

.service-note {
  align-self: end;
  display: block;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.ops-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #edf1f5;
}

.ops-band div {
  min-width: 0;
}

.label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.ops-band strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 960px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ops-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100vw - 20px, 1180px);
    padding: 18px 0;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .meta {
    justify-content: flex-start;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }
}