:root {
  color-scheme: dark;
  --paper: #0b0b0a;
  --ink: #f2efe7;
  --mx: 0;
  --my: 0;
}

* {
  box-sizing: border-box;
}

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

html {
  background: var(--paper);
}

body {
  margin: 0;
  min-height: 100svh;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at calc(50% + var(--mx) * 10%) calc(44% + var(--my) * 7%), rgba(255, 255, 255, 0.055), transparent 38%),
    var(--paper);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.025) 48%, transparent 66%);
  transform: translateX(calc(var(--mx) * 4%));
}

.grain {
  position: fixed;
  z-index: 10;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  opacity: 0.11;
  filter: invert(1);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
  animation: grain 0.22s steps(2) infinite;
}

main {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 8vh 24px 15vh;
  perspective: 760px;
}

.logo-scene {
  display: grid;
  width: min(36vw, 235px);
  min-width: 148px;
  place-items: center;
  animation: arrive 1.15s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.logo-stage {
  position: relative;
  width: 100%;
  transform:
    rotateX(calc(var(--my) * -7deg))
    rotateY(calc(var(--mx) * 9deg))
    translate3d(calc(var(--mx) * 8px), calc(var(--my) * 6px), 0);
  transform-style: preserve-3d;
  will-change: transform;
}

.logo-wrap {
  position: relative;
  transform: translateZ(26px);
  transform-style: preserve-3d;
}

.logo {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  pointer-events: none;
  filter: invert(1);
}

.logo-shadow {
  position: absolute;
  inset: 12% 4% 0;
  background: rgba(255, 255, 255, 0.12);
  filter: blur(34px);
  transform: translate3d(calc(var(--mx) * -22px), calc(20px + var(--my) * -14px), -32px) scale(0.78);
  opacity: 0.42;
  will-change: transform;
}

footer {
  position: fixed;
  z-index: 20;
  right: max(24px, env(safe-area-inset-right));
  bottom: max(22px, calc(env(safe-area-inset-bottom) + 14px));
  left: max(24px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 7px 0;
  color: inherit;
  font-size: clamp(0.78rem, 1.2vw, 0.9rem);
  font-weight: 500;
  letter-spacing: 0.035em;
  text-decoration: none;
}

.contact span {
  background-image: linear-gradient(var(--ink), var(--ink));
  background-position: 100% 100%;
  background-repeat: no-repeat;
  background-size: 0 1px;
  transition: background-size 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.contact svg {
  width: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 1.25;
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.contact:hover span,
.contact:focus-visible span {
  background-position: 0 100%;
  background-size: 100% 1px;
}

.contact:hover svg,
.contact:focus-visible svg {
  transform: translate(2px, -2px);
}

.motion-toggle {
  border: 0;
  padding: 7px 0;
  color: rgba(242, 239, 231, 0.5);
  background: none;
  font: inherit;
  font-size: 0.67rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  cursor: pointer;
}

.motion-toggle:hover,
.motion-toggle:focus-visible {
  color: var(--ink);
}

:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 5px;
}

@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
    filter: blur(7px);
  }
}

@keyframes grain {
  0% { transform: translate(0, 0); }
  25% { transform: translate(2%, -3%); }
  50% { transform: translate(-3%, 2%); }
  75% { transform: translate(3%, 4%); }
  100% { transform: translate(-2%, -4%); }
}

@media (max-width: 520px) {
  .logo-scene {
    width: min(43vw, 190px);
  }

  footer {
    bottom: max(18px, calc(env(safe-area-inset-bottom) + 10px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .grain {
    animation: none;
  }

  .logo-scene {
    animation: none;
  }

  .logo-stage {
    transform: none;
    transition: none;
  }

}