:root {
  color-scheme: dark;
  --bg: #071018;
  --surface: rgba(14, 28, 39, 0.72);
  --surface-strong: rgba(17, 36, 49, 0.9);
  --line: rgba(160, 210, 226, 0.14);
  --text: #eff9fc;
  --muted: #91a9b4;
  --accent: #6ee7cf;
  --accent-strong: #9af4df;
  --blue: #4ba7d8;
  --radius: 1.25rem;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    radial-gradient(circle at 50% -20%, #123447 0%, var(--bg) 44%);
  background-size: 56px 56px, 56px 56px, auto;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 30rem;
  height: 30rem;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.13;
  pointer-events: none;
}

.ambient-one {
  top: 10%;
  left: -16rem;
  background: var(--blue);
}

.ambient-two {
  right: -18rem;
  bottom: -5rem;
  background: var(--accent);
}

.shell {
  width: min(1120px, calc(100% - 3rem));
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.topbar {
  min-height: 6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(110, 231, 207, 0.45);
  border-radius: 0.7rem;
  color: var(--accent-strong);
  background: rgba(110, 231, 207, 0.08);
  box-shadow: inset 0 0 20px rgba(110, 231, 207, 0.06);
  font-size: 0.78rem;
  letter-spacing: -0.04em;
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 160ms ease;
}

.support-link:hover,
.support-link:focus-visible {
  color: var(--accent-strong);
}

.hero {
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 9vw, 6.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.6rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.pulse {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(110, 231, 207, 0.45);
  animation: pulse 2.2s infinite;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 1.8rem;
  font-size: clamp(3rem, 8vw, 6.75rem);
  font-weight: 620;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.lead {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  min-height: 17rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(16px);
}

.status-card {
  grid-row: span 2;
  min-height: 35rem;
}

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-pill {
  padding: 0.32rem 0.65rem;
  border: 1px solid rgba(110, 231, 207, 0.24);
  border-radius: 999px;
  color: var(--accent-strong);
  background: rgba(110, 231, 207, 0.08);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.signal {
  height: 9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.55rem, 2vw, 1rem);
}

.signal span {
  width: clamp(0.45rem, 1vw, 0.65rem);
  border-radius: 999px;
  background: linear-gradient(to top, var(--blue), var(--accent));
  box-shadow: 0 0 22px rgba(110, 231, 207, 0.22);
  animation: signal 2.8s ease-in-out infinite;
}

.signal span:nth-child(1),
.signal span:nth-child(5) { height: 28%; animation-delay: -0.4s; }
.signal span:nth-child(2),
.signal span:nth-child(4) { height: 58%; animation-delay: -0.2s; }
.signal span:nth-child(3) { height: 92%; }

.card p {
  margin-bottom: 0;
  color: var(--muted);
}

.card h2 {
  max-width: 28rem;
  margin: auto 0 0.6rem;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.contact-card {
  flex-direction: row;
  align-items: flex-end;
  gap: 2rem;
}

.primary-button {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3.25rem;
  padding: 0.8rem 1.1rem;
  border-radius: 0.85rem;
  color: #06120f;
  background: var(--accent);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--accent-strong);
  transform: translateY(-2px);
}

.primary-button-disabled {
  color: var(--muted);
  background: rgba(145, 169, 180, 0.1);
  cursor: default;
}

.primary-button-disabled:hover {
  background: rgba(145, 169, 180, 0.1);
  transform: none;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

footer {
  margin-top: auto;
  padding: 3.5rem 0 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #718893;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 0.55rem rgba(110, 231, 207, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 231, 207, 0); }
}

@keyframes signal {
  0%, 100% { transform: scaleY(0.82); opacity: 0.65; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 2rem, 42rem); }
  .topbar { min-height: 5rem; }
  .hero { padding-top: 4.5rem; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.5rem); }
  .grid { grid-template-columns: 1fr; }
  .status-card { grid-row: auto; min-height: 25rem; }
  .contact-card { flex-direction: column; align-items: stretch; }
  .primary-button { margin-top: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}