:root {
  --bg: #f4f4f2;
  --ink: #111111;
  --ink-soft: #3a3a3a;
  --muted: #8a8a86;
  --grid: rgba(20, 20, 18, 0.07);
  --frame-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
  --font: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--bg);
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px),
    linear-gradient(
      115deg,
      transparent 0%,
      transparent 42%,
      rgba(20, 20, 18, 0.03) 42%,
      rgba(20, 20, 18, 0.03) 58%,
      transparent 58%
    );
  background-size:
    72px 72px,
    72px 72px,
    100% 100%;
  background-position:
    -1px -1px,
    -1px -1px,
    0 0;
  mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, #000 35%, transparent 80%);
  animation: grid-in 1.4s ease both;
}

.stage {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(4.5rem, 10vh, 6rem) clamp(1.25rem, 5vw, 3rem)
    clamp(5rem, 12vh, 7rem);
  gap: clamp(1.25rem, 3.5vh, 2.25rem);
}

.eyebrow {
  margin: 0;
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  font-weight: 500;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  text-transform: uppercase;
  color: var(--ink);
}

.headline {
  margin: 0;
  max-width: 28ch;
  font-size: clamp(0.72rem, 1.7vw, 0.95rem);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero {
  margin: clamp(0.35rem, 1.5vh, 0.85rem) 0;
  padding: 0;
  /* Source asset is ~290px; keep display modest to avoid soft upscale */
  width: min(100%, 22rem);
}

.frame {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: auto;
  filter: drop-shadow(var(--frame-shadow));
  animation: float 7s ease-in-out infinite;
  animation-delay: 1s;
}

.lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(0.68rem, 1.55vw, 0.82rem);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.footer {
  position: fixed;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem 1.25rem 1.35rem;
  text-align: center;
  pointer-events: none;
}

.footer p {
  margin: 0;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0ms);
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes grid-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 640px) {
  .grid {
    background-size:
      48px 48px,
      48px 48px,
      100% 100%;
    opacity: 0.55;
  }

  .stage {
    gap: 1.15rem;
    padding-inline: 1.5rem;
  }

  .hero {
    width: min(100%, 17.5rem);
  }

  .headline,
  .lede {
    letter-spacing: 0.1em;
    max-width: 26ch;
  }

  .lede {
    max-width: 34ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .grid,
  .reveal,
  .frame {
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}