:root {
  --bg-deep: #081328;
  --bg-dark: #10203b;
  --bg-mid: #14385a;
  --bg-bright: #1a6887;
  --bg-cyan: #2aa4c5;
  --text-soft: rgba(214, 243, 255, 0.88);
  --text-bright: #dff9ff;
  --line: rgba(174, 238, 255, 0.18);
  --pill-bg: rgba(7, 18, 35, 0.7);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: #061120;
  font-family: "Inter", system-ui, sans-serif;
  color: var(--text-bright);
}

.screen {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  isolation: isolate;
  background:
    linear-gradient(
      180deg,
      var(--bg-deep) 0%,
      var(--bg-deep) 7%,
      #0d1a34 7%,
      #0d1a34 13%,
      #133256 13%,
      #133256 19%,
      #17355b 19%,
      #17355b 25%,
      #1a4d72 25%,
      #1a4d72 31%,
      #1b5676 31%,
      #1b5676 38%,
      #216486 38%,
      #216486 44%,
      #1e5f84 44%,
      #1e5f84 50%,
      #267897 50%,
      #267897 57%,
      #247998 57%,
      #247998 63%,
      #2a8aa9 63%,
      #2a8aa9 70%,
      #2a94b4 70%,
      #2a94b4 78%,
      #2ba4c4 78%,
      #2ba4c4 86%,
      #2487a4 86%,
      #2487a4 93%,
      #1c748f 93%,
      #1c748f 100%
    );
}

.band-layer,
.scanlines,
.glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.band-layer {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0) 18%),
    linear-gradient(180deg, rgba(8, 18, 40, 0.08), rgba(8, 18, 40, 0) 40%);
  mix-blend-mode: screen;
  opacity: 0.9;
}

.scanlines {
  background-image:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.12) 0,
      rgba(255, 255, 255, 0.12) 2px,
      rgba(6, 18, 34, 0.08) 2px,
      rgba(6, 18, 34, 0.08) 4px,
      transparent 4px,
      transparent 30px
    );
  background-size: 100% 30px;
  opacity: 0.34;
  animation: scan-drift 18s linear infinite;
}

.glow {
  filter: blur(50px);
  opacity: 0.5;
}

.glow-top {
  background: radial-gradient(circle at 50% 52%, rgba(115, 225, 255, 0.14), rgba(115, 225, 255, 0) 34%);
}

.glow-bottom {
  background: radial-gradient(circle at 50% 100%, rgba(82, 244, 255, 0.2), rgba(82, 244, 255, 0) 32%);
}

.hero {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1.6rem;
  width: 100%;
  min-height: 100vh;
  padding: 3rem 1.5rem;
}

.hero-mark {
  position: relative;
  display: grid;
  place-items: center;
  animation: orbital-drift 16s ease-in-out infinite;
}

.hero-mark::before {
  content: "";
  position: absolute;
  width: min(42vw, 24rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(132, 240, 255, 0.34), rgba(132, 240, 255, 0) 68%);
  filter: blur(12px);
  transform: translateY(-2%);
}

.hero-mark img {
  position: relative;
  display: block;
  width: min(9.5rem, 16vw);
  min-width: 5.75rem;
  height: auto;
  image-rendering: auto;
  filter:
    drop-shadow(0 0 14px rgba(255, 183, 48, 0.32))
    drop-shadow(0 0 18px rgba(103, 215, 255, 0.28))
    drop-shadow(0 10px 18px rgba(4, 15, 35, 0.42));
}

.boot-pill {
  position: relative;
  padding: 0.75rem 1.2rem;
  min-width: min(82vw, 22rem);
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(30, 96, 122, 0.2), rgba(9, 18, 34, 0.7)),
    var(--pill-bg);
  box-shadow:
    0 0 0 1px rgba(148, 232, 255, 0.05) inset,
    0 0 18px rgba(66, 214, 255, 0.16),
    0 0 38px rgba(32, 170, 213, 0.1);
  color: var(--text-soft);
  font-family: "Orbitron", sans-serif;
  font-size: clamp(0.8rem, 1.6vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(129, 238, 255, 0.34);
  animation: pulse 2.8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.72;
    box-shadow:
      0 0 0 1px rgba(148, 232, 255, 0.05) inset,
      0 0 14px rgba(66, 214, 255, 0.1),
      0 0 30px rgba(32, 170, 213, 0.06);
  }
  50% {
    opacity: 1;
    box-shadow:
      0 0 0 1px rgba(148, 232, 255, 0.14) inset,
      0 0 24px rgba(66, 214, 255, 0.24),
      0 0 46px rgba(32, 170, 213, 0.18);
  }
}

@keyframes scan-drift {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(30px);
  }
}

@keyframes orbital-drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  25% {
    transform: translate3d(3px, -2px, 0);
  }
  50% {
    transform: translate3d(1px, 3px, 0);
  }
  75% {
    transform: translate3d(-3px, 1px, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scanlines,
  .hero-mark,
  .boot-pill {
    animation: none;
  }
}

@media (max-width: 720px) {
  .hero {
    gap: 1.2rem;
  }

  .hero-mark img {
    width: min(7rem, 26vw);
  }

  .boot-pill {
    padding: 0.72rem 1rem;
    letter-spacing: 0.12em;
  }
}