:root {
  color-scheme: dark;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: #040914;
  color: #e8f7fb;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(
      circle at 15% 10%,
      rgba(34, 211, 238, 0.14),
      transparent 32rem
    ),
    radial-gradient(
      circle at 90% 35%,
      rgba(129, 140, 248, 0.12),
      transparent 34rem
    ),
    linear-gradient(155deg, #020617 0%, #07111f 52%, #0f172a 100%);
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  text-decoration: none;
  font-weight: 900;
}
.brand img {
  width: 2rem;
  height: 2rem;
}
nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
}
nav a {
  color: #a8c5cf;
  font-size: 0.9rem;
  text-decoration: none;
}
nav a:hover,
nav a:focus-visible {
  color: #67e8f9;
}

main {
  padding: clamp(3rem, 9vw, 7rem) 0 5rem;
}
.eyebrow {
  color: #67e8f9;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}
h1 {
  max-width: 900px;
  margin: 0.8rem 0 1.25rem;
  font-size: clamp(2.35rem, 7vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.lead {
  max-width: 760px;
  margin: 0;
  color: #a8c5cf;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.75;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border: 1px solid rgba(103, 232, 249, 0.36);
  border-radius: 999px;
  background: linear-gradient(135deg, #22d3ee, #818cf8);
  color: #020617;
  font-weight: 900;
  text-decoration: none;
}
.button.secondary {
  background: rgba(15, 23, 42, 0.62);
  color: #dffaff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 4rem;
}
.card {
  padding: 1.35rem;
  border: 1px solid rgba(148, 163, 184, 0.17);
  border-radius: 1.25rem;
  background: rgba(9, 18, 33, 0.72);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
}
.card h2 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}
.card p {
  margin: 0;
  color: #9fb8c2;
  line-height: 1.65;
}
.note {
  max-width: 820px;
  margin-top: 2rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid #67e8f9;
  background: rgba(8, 47, 73, 0.24);
  color: #bad4dc;
  line-height: 1.6;
}
footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  color: #78939f;
  font-size: 0.88rem;
}

@media (max-width: 760px) {
  header {
    align-items: flex-start;
  }
  nav {
    gap: 0.55rem;
  }
  .grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .button {
    transition:
      transform 0.2s ease,
      filter 0.2s ease;
  }
  .button:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
  }
}