:root {
  --bg: #04111a;
  --text: #f8fbff;
  --muted: #c3d8ea;
}

* {
  box-sizing: border-box;
}

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

body {
  position: relative;
  overflow: hidden;
  min-height: 100dvh;
  background: radial-gradient(circle at 20% 20%, #103248 0%, var(--bg) 52%);
  color: var(--text);
  font-family: "Satoshi", "Outfit", "Avenir Next", "Segoe UI", sans-serif;
}

.hero {
  position: relative;
  z-index: 2;
  min-height: 100dvh;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.9rem;
  padding: 2rem;
  text-align: center;
}

.eyebrow {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8bc7f7;
}

h1 {
  margin: 0;
  font-size: clamp(2.7rem, 10vw, 6.3rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.tagline {
  margin: 0;
  max-width: 39rem;
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.45rem);
  line-height: 1.4;
}

.bg-layer {
  position: absolute;
  inset: auto;
  width: 44rem;
  height: 44rem;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.42;
  pointer-events: none;
}

.bg-a {
  background: #16a3ff;
  top: -12rem;
  left: -10rem;
  animation: driftA 16s ease-in-out infinite alternate;
}

.bg-b {
  background: #4c7dff;
  right: -9rem;
  bottom: -14rem;
  animation: driftB 18s ease-in-out infinite alternate;
}

.bg-c {
  background: #18b7b0;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  animation: pulseC 12s ease-in-out infinite;
}

@keyframes driftA {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(5rem, 3rem) scale(1.12);
  }
}

@keyframes driftB {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-5.4rem, -2rem) scale(1.1);
  }
}

@keyframes pulseC {
  0%,
  100% {
    opacity: 0.26;
    transform: translate(-50%, -50%) scale(0.94);
  }
  50% {
    opacity: 0.48;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 1.35rem;
    gap: 0.8rem;
  }

  .tagline {
    max-width: 24rem;
  }

  .bg-layer {
    width: 28rem;
    height: 28rem;
    filter: blur(40px);
  }
}