:root {
  color-scheme: dark;
  --bg: #020405;
  --bg-deep: #010203;
  --ink: #ecffff;
  --muted: rgba(214, 250, 255, 0.68);
  --accent: #14e6ee;
  --accent-soft: rgba(20, 230, 238, 0.18);
  --accent-hot: rgba(112, 242, 255, 0.28);
  --grid: rgba(20, 230, 238, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --pointer-x: 50%;
  --pointer-y: 50%;
  font-family: "Space Grotesk", "Helvetica Neue", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--ink);
}

img {
  display: block;
  max-width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  perspective: 1200px;
  display: grid;
  place-items: center;
  isolation: isolate;
  background:
    radial-gradient(circle at 18% 18%, rgba(20, 230, 238, 0.12), transparent 28%),
    radial-gradient(circle at 82% 76%, rgba(20, 230, 238, 0.1), transparent 30%),
    linear-gradient(180deg, rgba(4, 14, 17, 0.92), rgba(1, 2, 3, 1));
}

.page::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    conic-gradient(from 90deg at 50% 50%, transparent 0deg, rgba(20, 230, 238, 0.05) 90deg, transparent 180deg, rgba(20, 230, 238, 0.04) 270deg, transparent 360deg);
  opacity: 0.9;
  filter: blur(36px);
  animation: ambient-spin 28s linear infinite;
  z-index: -3;
}

.page::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 0, rgba(0, 0, 0, 0.58) 68%, rgba(0, 0, 0, 0.9) 100%);
  pointer-events: none;
  z-index: 0;
}

.page__spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.68;
  background:
    radial-gradient(circle 14rem at var(--pointer-x) var(--pointer-y), rgba(255, 255, 255, 0.045), transparent 65%),
    radial-gradient(circle 28rem at var(--pointer-x) var(--pointer-y), rgba(20, 230, 238, 0.065), transparent 62%);
  mix-blend-mode: screen;
  transition: opacity 180ms ease;
}

.page__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.55;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: clamp(34px, 4vw, 60px) clamp(34px, 4vw, 60px);
  -webkit-mask-image: radial-gradient(circle at center, black 36%, transparent 100%);
  mask-image: radial-gradient(circle at center, black 36%, transparent 100%);
}

.page__grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 18%, transparent 82%, rgba(255, 255, 255, 0.03));
}

.page__glow {
  position: absolute;
  width: clamp(18rem, 32vw, 34rem);
  aspect-ratio: 1;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(20, 230, 238, 0.24), transparent 72%);
  filter: blur(16px);
  pointer-events: none;
  z-index: -1;
  transform-origin: center;
  animation:
    drift 12s ease-in-out infinite,
    glow-breathe 18s ease-in-out infinite;
}

.page__glow--north {
  top: -12rem;
  left: -6rem;
  animation-duration: 11s, 16s;
  animation-delay: 0s, -2s;
}

.page__glow--south {
  right: -10rem;
  bottom: -16rem;
  animation-duration: 14s, 21s;
  animation-delay: -5s, -8s;
}

.meta {
  position: absolute;
  top: clamp(1rem, 2vw, 1.75rem);
  left: clamp(1rem, 2vw, 1.75rem);
  right: clamp(1rem, 2vw, 1.75rem);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  z-index: 2;
}

.meta__item {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: clamp(0.72rem, 0.8vw, 0.86rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero {
  position: relative;
  z-index: 1;
  width: min(100%, 1200px);
  padding: clamp(4.5rem, 10vh, 7rem) clamp(1.25rem, 4vw, 3rem);
  display: grid;
  gap: 1.2rem;
  justify-items: center;
}

.hero__logo-shell {
  position: relative;
  isolation: isolate;
  transform-style: preserve-3d;
  width: min(100%, 1100px);
  padding:
    clamp(1.7rem, 3vw, 2.35rem)
    clamp(1rem, 2vw, 1.4rem)
    clamp(0.65rem, 1.2vw, 0.95rem);
  border: 1px solid var(--border);
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01)),
    radial-gradient(circle at 50% 20%, rgba(20, 230, 238, 0.08), transparent 42%),
    rgba(0, 0, 0, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 30px 90px rgba(0, 0, 0, 0.48);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.hero__logo-shell::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(20, 230, 238, 0.1);
  border-radius: 18px;
  pointer-events: none;
  z-index: 3;
}

.hero__logo-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 58%, rgba(20, 230, 238, 0.18), transparent 32%),
    radial-gradient(circle at 50% 34%, rgba(20, 230, 238, 0.08), transparent 28%);
  opacity: 0.7;
  transform: scale(1) translateY(0);
  filter: blur(18px);
  animation: aura-breathe 12s ease-in-out infinite;
}

.hero__logo-shell:hover {
  border-color: rgba(20, 230, 238, 0.14);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 34px 100px rgba(0, 0, 0, 0.56),
    0 0 0 1px rgba(20, 230, 238, 0.06);
}

.hero__hover-light {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle 11rem at var(--card-x, 50%) var(--card-y, 50%), rgba(255, 255, 255, 0.05), transparent 52%),
    radial-gradient(circle 24rem at var(--card-x, 50%) var(--card-y, 50%), rgba(112, 242, 255, 0.14), transparent 56%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.hero__logo-shell:hover .hero__hover-light {
  opacity: 0.78;
}

.hero__logo {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 2;
  transform: translateZ(28px);
  filter:
    drop-shadow(0 0 16px rgba(20, 230, 238, 0.28))
    drop-shadow(0 0 42px rgba(20, 230, 238, 0.16));
  animation:
    logo-enter 1.25s cubic-bezier(0.22, 1, 0.36, 1) both,
    logo-pulse 7s ease-in-out infinite 1.25s;
}

.hero__note {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: clamp(0.78rem, 1vw, 0.92rem);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(236, 255, 255, 0.62);
  position: relative;
  padding-inline: 1rem;
}

.hero__note::before,
.hero__note::after {
  content: "";
  position: absolute;
  top: 50%;
  width: clamp(2rem, 8vw, 5rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(20, 230, 238, 0.4));
}

.hero__note::before {
  right: 100%;
}

.hero__note::after {
  left: 100%;
  transform: scaleX(-1);
}

@keyframes logo-enter {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes logo-pulse {
  0%,
  100% {
    filter:
      drop-shadow(0 0 16px rgba(20, 230, 238, 0.28))
      drop-shadow(0 0 42px rgba(20, 230, 238, 0.16));
    opacity: 0.98;
  }

  38% {
    filter:
      drop-shadow(0 0 20px rgba(20, 230, 238, 0.32))
      drop-shadow(0 0 50px rgba(20, 230, 238, 0.2));
    opacity: 1;
  }

  62% {
    filter:
      drop-shadow(0 0 26px rgba(20, 230, 238, 0.38))
      drop-shadow(0 0 62px rgba(20, 230, 238, 0.24));
    opacity: 1;
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(0, 1.75rem, 0) scale(1.05);
  }
}

@keyframes glow-breathe {
  0%,
  100% {
    opacity: 0.72;
    filter: blur(16px);
  }

  45% {
    opacity: 0.94;
    filter: blur(22px);
  }

  68% {
    opacity: 0.78;
    filter: blur(18px);
  }
}

@keyframes aura-breathe {
  0%,
  100% {
    opacity: 0.58;
    transform: scale(0.98) translateY(0.2rem);
  }

  50% {
    opacity: 0.88;
    transform: scale(1.06) translateY(0);
  }
}

@keyframes ambient-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 720px) {
  .meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    gap: 1rem;
    padding-top: 7rem;
    padding-bottom: 5rem;
  }

  .hero__logo-shell {
    border-radius: 22px;
  }

  .hero__logo-shell::before {
    inset: 10px;
    border-radius: 14px;
  }

  .hero__note {
    letter-spacing: 0.24em;
  }

  .hero__note::before,
  .hero__note::after {
    width: 1.35rem;
  }
}

@media (hover: none), (pointer: coarse) {
  .page__spotlight,
  .hero__hover-light {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page::before,
  .page__glow,
  .hero__logo,
  .hero__logo-shell::after {
    animation: none;
  }

  .hero__logo-shell {
    transition: none;
  }
}