body.welcome-open {
  overflow: hidden;
}

.welcome-intro {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  padding: 0;
  margin: 0;
  border: 0;
  overflow: hidden;
  color: var(--ink);
  background: transparent;
}

.welcome-intro::backdrop {
  background: transparent;
}

.welcome-scene,
.welcome-dust {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.welcome-scene {
  isolation: isolate;
  background: #fff;
}

.welcome-dust {
  pointer-events: none;
}

.welcome-art {
  position: absolute;
  z-index: -1;
  width: 100%;
  height: 71%;
  bottom: 0;
  left: 0;
  object-fit: cover;
  object-position: center bottom;
  color: transparent;
}

.welcome-top {
  position: absolute;
  z-index: 1;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(22px, 4vw, 54px);
  padding-top: max(env(safe-area-inset-top), clamp(22px, 4vw, 54px));
}

.welcome-logo {
  width: clamp(105px, 13vw, 168px);
  height: auto;
  mix-blend-mode: multiply;
}

.welcome-skip {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid #cbd4ee;
  border-radius: 100px;
  background: #fff;
  color: #334580;
  font-size: 14px;
}

.welcome-skip:hover {
  border-color: #5267b7;
  background: #f4f6fe;
}

.welcome-copy {
  position: absolute;
  top: 25%;
  left: 0;
  right: 0;
  padding: 0 20px;
  text-align: center;
}

.welcome-copy h2 {
  font-size: clamp(54px, min(9vw, 14vh), 142px);
  line-height: .94;
  letter-spacing: -.07em;
}

.welcome-copy em {
  color: #455aa9;
  font-style: normal;
}

.welcome-copy h2 > span {
  white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
  .welcome-intro[open] .welcome-copy h2 {
    animation: welcome-grow var(--welcome-hold, 3000ms) cubic-bezier(.2, .7, .2, 1) both;
  }
}

@keyframes welcome-grow {
  from { transform: scale(.78); }
  to { transform: scale(1); }
}

.welcome-timer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: #dce4fa;
}

.welcome-timer::after {
  content: "";
  display: block;
  height: 100%;
  background: #5267b7;
  transform: scaleX(0);
  transform-origin: left;
}

.welcome-intro[open] .welcome-timer::after {
  animation: welcome-countdown var(--welcome-hold, 3000ms) linear both;
}

@keyframes welcome-countdown {
  to { transform: scaleX(1); }
}

@media (max-width: 600px) {
  .welcome-art { height: 64%; }
  .welcome-copy { top: 28%; }
  .welcome-copy h2 { font-size: clamp(29px, 10vw, 60px); }
}

@media (max-height: 480px) and (orientation: landscape) {
  .welcome-top { padding-block: 12px; }
  .welcome-copy h2 { font-size: clamp(34px, 13vh, 62px); }
}

@media (prefers-reduced-motion: reduce) {
  .welcome-timer { display: none; }
}

.welcome-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.welcome-book { background: #4659a6; border-color: #4659a6; color: #fff; text-decoration: none; }
.welcome-book:hover { background: #354686; border-color: #354686; color: #fff; }
.welcome-intro.welcome-dissolving { z-index: 500; pointer-events: none; }
@media (max-width: 420px) {
  .welcome-top { gap: 8px; }
  .welcome-actions { gap: 5px; }
  .welcome-actions .welcome-skip { padding-inline: 10px; gap: 4px; font-size: 12px; white-space: nowrap; }
}