/* Lightweight loading feedback for the public page. The skeleton follows the
   real hero geometry and disappears as soon as the first view is ready. */

.site-skeleton {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  background: var(--art-paper);
  color: var(--art-ink);
  opacity: 1;
  transition: opacity 220ms ease, visibility 220ms ease;
}

html.is-booting {
  overflow: hidden;
}

html.is-booting .site-skeleton {
  display: block;
}

html.is-ready .site-skeleton {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-skeleton-header {
  height: 66px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px clamp(18px, 3.4vw, 52px);
  border-bottom: 1px solid color-mix(in srgb, var(--art-ink) 12%, transparent);
}

.site-skeleton-hero {
  min-height: calc(100svh - 66px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
  padding: 48px clamp(24px, 6vw, 92px);
}

.skeleton-copy {
  display: grid;
  align-content: center;
  gap: 16px;
  max-width: 620px;
}

.skeleton-mark,
.skeleton-brand,
.skeleton-nav,
.skeleton-action,
.skeleton-line,
.skeleton-title,
.skeleton-heading,
.skeleton-buttons,
.skeleton-guide,
.skeleton-media.is-media-loading {
  background: color-mix(in srgb, var(--art-pine) 12%, var(--art-paper));
  animation: skeleton-breathe 1.35s ease-in-out infinite alternate;
}

.skeleton-mark {
  width: 34px;
  height: 34px;
  border-radius: 7px;
}

.skeleton-brand {
  width: 68px;
  height: 18px;
}

.skeleton-nav {
  width: min(34vw, 390px);
  height: 14px;
  margin-left: auto;
}

.skeleton-action {
  width: 112px;
  height: 42px;
  border-radius: 7px;
}

.skeleton-line {
  width: 100%;
  height: 15px;
}

.skeleton-line-short { width: 38%; }
.skeleton-line-medium { width: 74%; }

.skeleton-title {
  width: 72%;
  height: clamp(72px, 10vw, 126px);
}

.skeleton-heading {
  width: 86%;
  height: 42px;
}

.skeleton-heading-short { width: 58%; }

.skeleton-buttons {
  width: 310px;
  max-width: 70%;
  height: 48px;
  margin-top: 10px;
  border-radius: 7px;
}

.skeleton-guide {
  justify-self: center;
  align-self: end;
  width: min(25vw, 300px);
  height: min(72vh, 610px);
  border-radius: 48% 48% 8% 8%;
}

.skeleton-media.is-media-loading {
  opacity: 0.42;
}

html[data-theme="dark"] .skeleton-mark,
html[data-theme="dark"] .skeleton-brand,
html[data-theme="dark"] .skeleton-nav,
html[data-theme="dark"] .skeleton-action,
html[data-theme="dark"] .skeleton-line,
html[data-theme="dark"] .skeleton-title,
html[data-theme="dark"] .skeleton-heading,
html[data-theme="dark"] .skeleton-buttons,
html[data-theme="dark"] .skeleton-guide,
html[data-theme="dark"] .skeleton-media.is-media-loading {
  background: color-mix(in srgb, var(--art-mint) 18%, var(--art-paper));
}

.skeleton-media.is-media-ready {
  background: transparent;
  animation: none;
}

@keyframes skeleton-breathe {
  from { opacity: 0.48; }
  to { opacity: 0.86; }
}

@media (max-width: 720px) {
  .skeleton-nav { display: none; }
  .skeleton-action { width: 42px; border-radius: 50%; }

  .site-skeleton-hero {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 12px;
    padding: 56px 20px 24px;
  }

  .skeleton-title { height: 78px; }
  .skeleton-heading { height: 30px; }

  .skeleton-guide {
    position: absolute;
    right: 8px;
    bottom: 0;
    width: 190px;
    height: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-skeleton,
  .skeleton-mark,
  .skeleton-brand,
  .skeleton-nav,
  .skeleton-action,
  .skeleton-line,
  .skeleton-title,
  .skeleton-heading,
  .skeleton-buttons,
  .skeleton-guide,
  .skeleton-media.is-media-loading {
    animation: none;
    transition: none;
  }
}