:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b0d11;
  color: #f4f5f7;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: #0b0d11;
}

.shell {
  display: flex;
  width: min(980px, calc(100% - 40px));
  min-height: 100vh;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
  padding: 56px 0 32px;
}

.hero {
  padding-bottom: 38px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: #8f98a8;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.intro {
  margin: 16px 0 0;
  color: #9299a5;
  line-height: 1.6;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.platform-card {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid #252932;
  border-radius: 16px;
  background: #12151b;
  color: inherit;
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease;
}

a.platform-card:hover,
a.platform-card:focus-visible {
  border-color: #7788aa;
  outline: none;
  transform: translateY(-3px);
}

.platform-card[data-status="pending"],
.platform-card[data-status="soon"] {
  cursor: default;
  opacity: 0.68;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.card-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid #303642;
  border-radius: 10px;
  color: #d7dbe2;
  font-size: 0.9rem;
  font-weight: 800;
}

.status {
  padding: 6px 9px;
  border: 1px solid #30343d;
  border-radius: 999px;
  color: #a1a8b4;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.platform-card[data-status="active"] .status {
  border-color: #285c44;
  color: #72d5a4;
}

.platform-card h3 {
  margin: 26px 0 7px;
  font-size: 1.35rem;
}

.platform-card p {
  margin: 0;
  color: #9299a5;
  font-size: 0.9rem;
  line-height: 1.5;
}

.card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  color: #c1cadb;
  font-size: 0.78rem;
  font-weight: 650;
}

.platform-card:not([data-status="active"]) .card-action {
  color: #777f8c;
}

.loading,
.notice {
  grid-column: 1 / -1;
  padding: 22px;
  border: 1px solid #252932;
  border-radius: 16px;
  color: #9299a5;
  text-align: center;
}

footer {
  margin-top: 36px;
  color: #606773;
  font-size: 0.76rem;
  text-align: center;
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 28px, 980px);
    justify-content: flex-start;
    padding-top: 64px;
  }

  .hero {
    padding-bottom: 32px;
  }

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

  .platform-card {
    min-height: 190px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .platform-card {
    transition: none;
  }
}