:root {
  color-scheme: dark;
  --ink: #f7f5ff;
  --muted: #bdb8cf;
  --surface: #171326;
  --surface-raised: #211a36;
  --violet: #9d7bff;
  --violet-soft: #d5c8ff;
  --cyan: #68e6df;
  --line: rgba(213, 200, 255, 0.16);
}

* { box-sizing: border-box; }

html {
  background: #0c0914;
  font-family: Inter, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(157, 123, 255, 0.22), transparent 34rem),
    radial-gradient(circle at 88% 16%, rgba(104, 230, 223, 0.12), transparent 30rem),
    #0c0914;
}

main {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: linear-gradient(145deg, var(--violet), #6445c9);
  box-shadow: 0 12px 30px rgba(84, 54, 179, 0.35);
}

.mark::after {
  width: 14px;
  height: 14px;
  border: 3px solid #fff;
  border-radius: 50%;
  content: "";
}

.accent { color: var(--cyan); }

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(23, 19, 38, 0.9);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
}

.hero { padding: clamp(28px, 7vw, 64px); }

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.4rem, 8vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.summary {
  max-width: 62ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 16px;
  color: #0c0914;
  background: var(--cyan);
  font-weight: 760;
  text-decoration: none;
}

.button.secondary {
  border-color: var(--line);
  color: var(--violet-soft);
  background: var(--surface-raised);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.feature {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(23, 19, 38, 0.9);
}

.feature h2 { margin-top: 0; }
.feature p { margin-bottom: 0; }

.tag {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--violet-soft);
  background: var(--surface-raised);
  font-size: 0.86rem;
}

.panel {
  margin-top: 18px;
  padding: clamp(24px, 6vw, 52px);
}

h2 {
  margin: 42px 0 12px;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

h2:first-child { margin-top: 0; }

p,
li {
  color: var(--muted);
  line-height: 1.72;
}

ul { padding-left: 1.25rem; }
li + li { margin-top: 9px; }

a {
  color: var(--cyan);
  text-underline-offset: 4px;
}

footer {
  padding: 30px 4px 0;
  color: #89839e;
  font-size: 0.86rem;
}

@media (max-width: 560px) {
  main { padding-top: 30px; }
  .brand { margin-bottom: 28px; }
  .hero,
  .panel { border-radius: 22px; }
  .feature-grid { grid-template-columns: 1fr; }
  .button { width: 100%; }
}