* {
  box-sizing: border-box;
}

:root {
  --bg: #181a1d;
  --text: #f4f6f8;
  --muted: #c8cdd3;
  --shadow-dark: rgba(31, 33, 36, 0.95);
  --wave-a: rgba(255, 255, 255, 0.28);
  --wave-b: rgba(255, 255, 255, 0.16);
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.05) 0,
      rgba(255, 255, 255, 0.05) 1px,
      transparent 1px,
      transparent 42px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.05) 0,
      rgba(255, 255, 255, 0.05) 1px,
      transparent 1px,
      transparent 42px
    ),
    radial-gradient(circle at 20% 20%, #23262a 0%, var(--bg) 52%);
  color: var(--text);
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  filter: blur(2px);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.12) 36%, rgba(255, 255, 255, 0.02) 62%, rgba(255, 255, 255, 0) 78%);
  animation: circleFade 12s ease-in-out infinite;
}

body::before {
  width: min(64vw, 980px);
  height: min(64vw, 980px);
  top: -6vw;
  left: -2vw;
}

body::after {
  width: min(56vw, 860px);
  height: min(56vw, 860px);
  bottom: -4vw;
  right: -1vw;
  animation-delay: -5s;
}

#wave-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  place-content: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
}

.company-name {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-shadow:
    0 0 10px var(--shadow-dark),
    0 0 28px var(--shadow-dark),
    0 10px 24px var(--shadow-dark);
}

.hero-copy {
  margin: 0 auto;
  max-width: 52ch;
  color: var(--muted);
  line-height: 1.6;
  font-size: clamp(1rem, 2vw, 1.2rem);
  text-shadow:
    0 0 8px var(--shadow-dark),
    0 0 18px rgba(31, 33, 36, 0.88);
}

@keyframes circleFade {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(1);
  }

  50% {
    opacity: 0.14;
    transform: scale(1.12);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 1.5rem;
    align-content: center;
  }
}