:root {
  --bg: #05070b;
  --fg: #eef2f7;
  --muted: #7d8b9e;
  --line: rgba(148, 175, 210, 0.1);
  --accent: #6ee7d8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, system-ui, sans-serif;
  overflow-x: hidden;
}

.bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 55% 45% at 50% 48%, #000 10%, transparent 70%);
  opacity: 0.9;
}

.glow {
  position: absolute;
  left: 50%;
  top: 38%;
  width: min(70vw, 520px);
  height: min(70vw, 520px);
  translate: -50% -50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110, 231, 216, 0.12), transparent 65%);
  animation: pulse 7s ease-in-out infinite;
}

main {
  position: relative;
  z-index: 1;
  width: min(92vw, 420px);
  text-align: center;
  padding: 2.5rem 1.25rem 3rem;
  animation: in 0.9s ease-out both;
}

.logo {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

h1 {
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin-bottom: 0.75rem;
}

.sub {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
}

.bar {
  width: min(180px, 40vw);
  height: 1px;
  margin: 0 auto 2.75rem;
  background: rgba(148, 175, 210, 0.18);
  overflow: hidden;
  border-radius: 1px;
}

.bar span {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: sweep 2.4s ease-in-out infinite;
}

.credit {
  animation: in 0.9s ease-out 0.25s both;
}

.credit img {
  width: min(280px, 78vw);
  height: auto;
  display: block;
  margin: 0 auto 1.15rem;
  border-radius: 10px;
  border: 1px solid rgba(110, 231, 216, 0.28);
  box-shadow: 0 0 0 6px rgba(110, 231, 216, 0.06), 0 20px 50px rgba(0, 0, 0, 0.45);
}

.credit figcaption {
  max-width: 22rem;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.aside {
  display: block;
  margin-top: 0.45rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

@keyframes in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

@keyframes sweep {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}

@media (prefers-reduced-motion: reduce) {
  .glow,
  .bar span,
  main,
  .credit {
    animation: none;
  }
}