:root {
  color-scheme: dark;
  --bg: #020203;
  --text: #f3f6ff;
  --muted: rgba(243, 246, 255, 0.72);
  --panel: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at top, rgba(29, 158, 255, 0.18), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(81, 255, 81, 0.18), transparent 24%),
    linear-gradient(180deg, #060608 0%, #020203 100%);
  color: var(--text);
  font-family:
    "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 38%, transparent 88%);
  opacity: 0.4;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 2rem;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  padding: clamp(2rem, 5vw, 3rem);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(247, 249, 252, 0.92), rgba(230, 235, 240, 0.86));
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
  color: #111827;
  text-align: center;
}

.hero__logo {
  display: block;
  width: min(100%, 580px);
  height: auto;
  margin: 0 auto 1.75rem;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
}

.hero__eyebrow {
  margin: 0 0 0.75rem;
  color: rgba(17, 24, 39, 0.62);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 7vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero__copy {
  width: min(33rem, 100%);
  margin: 1rem auto 0;
  color: rgba(17, 24, 39, 0.72);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.55;
}

.hero__glow {
  position: absolute;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  filter: blur(32px);
  opacity: 0.55;
}

.hero__glow--left {
  top: 8%;
  left: -8%;
  background: radial-gradient(circle, rgba(94, 46, 255, 0.48), transparent 62%);
}

.hero__glow--right {
  right: -8%;
  bottom: 4%;
  background: radial-gradient(circle, rgba(77, 255, 92, 0.42), transparent 62%);
}

@media (max-width: 640px) {
  .hero {
    padding: 1.25rem;
  }

  .hero__content {
    border-radius: 24px;
    padding: 1.5rem 1.25rem 1.75rem;
  }

  .hero__eyebrow {
    letter-spacing: 0.16em;
  }
}
