:root {
  --slate: #313440;
  --slate-deep: #262833;
  --teal: #17a2a6;
  --ink: #f2f1f7;
  --muted: #c9c8d3;
  --rule: rgba(242, 241, 247, 0.14);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--slate);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: clamp(3rem, 9vw, 6.5rem) 1.5rem;
}

.wrap { width: 100%; max-width: 38rem; }

.mark {
  display: block;
  width: 96px;
  height: 96px;
  margin: 0 0 1.75rem -6px;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 7.5vw, 4.25rem);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.promise {
  margin: 0.85rem 0 2.25rem;
  color: var(--teal);
  font-size: clamp(1.3rem, 3.2vw, 1.65rem);
  line-height: 1.3;
  font-weight: 700;
}

p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 1.125rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0.75rem 0 2.75rem;
  padding: 0.5rem 1.1rem;
  border: 1px solid rgba(23, 162, 166, 0.55);
  border-radius: 999px;
  color: var(--ink);
  font-size: 1rem;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
  flex: none;
}

.contact {
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.contact h2 {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 600;
}

.contact a {
  color: var(--ink);
  font-size: clamp(1.15rem, 3.4vw, 1.35rem);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--teal);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  overflow-wrap: anywhere;
}

.contact a:hover { color: var(--teal); }

a:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 4px;
  border-radius: 2px;
}

footer {
  padding: 1.5rem;
  background: var(--slate-deep);
  text-align: center;
}

footer p {
  margin: 0.15rem 0;
  font-size: 0.95rem;
}

.notfound { text-align: left; }
.notfound a { color: var(--ink); text-decoration-color: var(--teal); text-underline-offset: 5px; }