:root {
  color-scheme: dark;
  --background: #09111f;
  --surface: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f5f7fb;
  --muted: #aab5c6;
  --accent: #7dd3fc;
  --accent-strong: #a78bfa;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, rgba(14, 165, 233, 0.18), transparent 32rem),
    radial-gradient(circle at 82% 5%, rgba(139, 92, 246, 0.17), transparent 28rem),
    var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  max-width: 800px;
  padding: clamp(90px, 15vw, 170px) 0 clamp(70px, 10vw, 110px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 28px;
  height: 1px;
  background: currentColor;
}

h1 {
  margin: 18px 0 20px;
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.subtitle {
  max-width: 680px;
  margin: 0 0 34px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 19px;
  color: #07111e;
  background: linear-gradient(135deg, var(--accent), #c4b5fd);
  border-radius: 9px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(125, 211, 252, 0.18);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-bottom: clamp(70px, 10vw, 120px);
}

.card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  place-items: center;
  color: var(--accent);
  background: rgba(125, 211, 252, 0.1);
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h2 {
  margin: 0 0 8px;
  font-size: 1.12rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 24px 0 30px;
  color: #778398;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
}

footer p {
  margin: 0;
}

footer span {
  color: var(--muted);
}

@media (max-width: 720px) {
  .features {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}