html.intro-pending {
  background: #fffdfd;
}

html.intro-pending body {
  overflow: hidden;
}

html.intro-pending body > :not(.site-intro) {
  visibility: hidden;
}

.site-intro {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(177, 50, 54, 0.15), transparent 26%),
    radial-gradient(circle at 82% 24%, rgba(18, 18, 18, 0.08), transparent 24%),
    linear-gradient(180deg, #fffdfd 0%, #f8efef 100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  isolation: isolate;
}

html.intro-pending .site-intro {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.site-intro::before,
.site-intro::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
}

.site-intro::before {
  width: min(34rem, 42vw);
  height: min(34rem, 42vw);
  top: 10%;
  left: 4%;
  background: rgba(177, 50, 54, 0.14);
  animation: intro-float 12s ease-in-out infinite;
}

.site-intro::after {
  width: min(28rem, 34vw);
  height: min(28rem, 34vw);
  right: 8%;
  bottom: 8%;
  background: rgba(18, 18, 18, 0.08);
  animation: intro-float 14s ease-in-out infinite reverse;
}

.site-intro__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(177, 50, 54, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(177, 50, 54, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 1) 28%, rgba(0, 0, 0, 0) 78%);
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 1) 28%, rgba(0, 0, 0, 0) 78%);
  opacity: 0.42;
}

.site-intro__content {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 1.1rem;
  width: min(92vw, 44rem);
  transform: translateY(24px) scale(0.96);
  opacity: 0;
}

html.intro-playing .site-intro__content {
  animation: intro-content-in 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.site-intro__logo-shell {
  position: relative;
  width: min(100%, 42rem);
  padding: clamp(1.15rem, 2vw, 1.6rem) clamp(1.35rem, 3vw, 2.2rem);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(177, 50, 54, 0.14);
  box-shadow:
    0 24px 80px rgba(18, 18, 18, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.site-intro__logo-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.18) 35%, rgba(255, 255, 255, 0.88) 50%, transparent 65%);
  transform: translateX(-140%);
}

html.intro-playing .site-intro__logo-shell::before {
  animation: intro-sheen 1.05s ease 0.28s forwards;
}

.site-intro__logo {
  display: block;
  width: min(100%, 34rem);
  height: auto;
  margin: 0 auto;
  transform: scale(0.88);
  transform-origin: center;
  filter: drop-shadow(0 18px 36px rgba(18, 18, 18, 0.12));
}

html.intro-playing .site-intro__logo {
  animation: intro-logo-in 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.site-intro__line {
  width: min(18rem, 42vw);
  height: 3px;
  border-radius: 999px;
  background: rgba(18, 18, 18, 0.08);
  overflow: hidden;
}

.site-intro__line::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  border-radius: inherit;
  background: linear-gradient(90deg, #b13236 0%, #d06166 100%);
}

html.intro-playing .site-intro__line::after {
  animation: intro-line-grow 1s cubic-bezier(0.22, 1, 0.36, 1) 0.34s forwards;
}

.site-intro__caption {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: #5f5657;
  opacity: 0;
}

html.intro-playing .site-intro__caption {
  animation: intro-caption-in 0.55s ease 0.58s forwards;
}

html.intro-exit .site-intro__content {
  animation: intro-content-out 0.55s cubic-bezier(0.4, 0, 1, 1) forwards;
}

html.intro-exit .site-intro {
  animation: intro-overlay-out 0.72s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes intro-content-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes intro-logo-in {
  0% {
    opacity: 0;
    transform: scale(0.88);
  }
  60% {
    opacity: 1;
    transform: scale(1.02);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes intro-line-grow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

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

@keyframes intro-sheen {
  from {
    transform: translateX(-140%);
  }
  to {
    transform: translateX(140%);
  }
}

@keyframes intro-content-out {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-14px) scale(0.98);
  }
}

@keyframes intro-overlay-out {
  from {
    opacity: 1;
    visibility: visible;
  }
  to {
    opacity: 0;
    visibility: hidden;
  }
}

@keyframes intro-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -18px, 0);
  }
}

@media (max-width: 640px) {
  .site-intro__content {
    gap: 0.9rem;
  }

  .site-intro__logo-shell {
    width: min(100%, 26rem);
    border-radius: 24px;
  }

  .site-intro__caption {
    font-size: 0.68rem;
    letter-spacing: 0.28em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.intro-pending body {
    overflow: auto;
  }

  html.intro-pending body > :not(.site-intro) {
    visibility: visible;
  }

  .site-intro {
    display: none !important;
  }
}