/* SAIIE hub index — editorial child listing for empty/hero-only hubs */

.saiie-hub-index-section {
  position: relative;
  margin: 0;
  padding: 0 0 clamp(64px, 8vw, 112px);
  background:
    linear-gradient(180deg, transparent 0%, rgba(246, 240, 233, 0.92) 48px, var(--saiie-cream) 120px),
    var(--saiie-cream);
  overflow: clip;
}

.saiie-hub-index-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--saiie-gold) 0%, var(--saiie-orange) 42%, transparent 100%);
  pointer-events: none;
}

.saiie-hub-index-section .container {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.saiie-hub-index {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  isolation: isolate;
}

.saiie-hub-index__header {
  display: grid;
  gap: 12px;
  max-width: 42rem;
  padding-top: clamp(28px, 4vw, 40px);
}

.saiie-hub-index__kicker {
  margin: 0;
  color: var(--saiie-ink);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.saiie-hub-index__kicker::after {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 2px;
  margin-left: 0.75rem;
  vertical-align: middle;
  background: var(--saiie-gold);
}

.saiie-hub-index__heading {
  margin: 0;
  color: var(--saiie-ink);
  font-family: var(--saiie-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0;
  text-transform: uppercase;
}

.saiie-hub-index__meta {
  margin: 0;
  color: var(--saiie-muted);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  max-width: 36rem;
}

.saiie-hub-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--saiie-line);
}

.saiie-hub-index__item {
  border-bottom: 1px solid var(--saiie-line);
  animation: saiie-hub-index-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.saiie-hub-index__item:nth-child(1) { animation-delay: 0.04s; }
.saiie-hub-index__item:nth-child(2) { animation-delay: 0.08s; }
.saiie-hub-index__item:nth-child(3) { animation-delay: 0.12s; }
.saiie-hub-index__item:nth-child(4) { animation-delay: 0.16s; }
.saiie-hub-index__item:nth-child(5) { animation-delay: 0.2s; }
.saiie-hub-index__item:nth-child(6) { animation-delay: 0.24s; }
.saiie-hub-index__item:nth-child(7) { animation-delay: 0.28s; }
.saiie-hub-index__item:nth-child(8) { animation-delay: 0.32s; }
.saiie-hub-index__item:nth-child(n + 9) { animation-delay: 0.36s; }

@keyframes saiie-hub-index-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.saiie-hub-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(16px, 2.5vw, 28px);
  align-items: center;
  padding: clamp(22px, 2.8vw, 32px) 8px;
  color: inherit;
  text-decoration: none;
  transition: background-color 0.25s ease, padding-left 0.25s ease;
}

.saiie-hub-index__link:focus-visible {
  outline: 2px solid var(--saiie-gold);
  outline-offset: 3px;
  background: color-mix(in srgb, var(--saiie-gold) 12%, transparent);
}

.saiie-hub-index__index {
  display: grid;
  place-items: center;
  min-width: 3.25rem;
  color: var(--saiie-gold);
  font-family: var(--saiie-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  line-height: 1;
  letter-spacing: 0.02em;
  transition: color 0.25s ease, transform 0.25s ease;
}

.saiie-hub-index__media {
  display: none;
  width: 88px;
  height: 88px;
  border-radius: 4px;
  overflow: hidden;
  background: color-mix(in srgb, var(--saiie-ink) 8%, var(--saiie-cream));
  box-shadow: inset 0 0 0 1px var(--saiie-line);
}

.saiie-hub-index__item.has-media .saiie-hub-index__media {
  display: block;
}

.saiie-hub-index__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.saiie-hub-index__body {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.saiie-hub-index__title {
  margin: 0;
  color: var(--saiie-ink);
  font-family: var(--saiie-display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 400;
  line-height: 1.05;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.saiie-hub-index__summary {
  margin: 0;
  max-width: 44rem;
  color: var(--saiie-muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.saiie-hub-index__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--saiie-ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.25s ease, transform 0.25s ease;
}

.saiie-hub-index__cta-icon {
  display: inline-block;
  width: 1.35rem;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: width 0.25s ease;
}

.saiie-hub-index__cta-icon::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-top: 1.5px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

@media (hover: hover) {
  .saiie-hub-index__link:hover {
    background: color-mix(in srgb, var(--saiie-white) 55%, transparent);
    padding-left: 16px;
  }

  .saiie-hub-index__link:hover .saiie-hub-index__index {
    color: var(--saiie-orange);
    transform: translateX(2px);
  }

  .saiie-hub-index__link:hover .saiie-hub-index__title {
    color: var(--saiie-orange);
  }

  .saiie-hub-index__link:hover .saiie-hub-index__cta {
    color: var(--saiie-orange);
    transform: translateX(4px);
  }

  .saiie-hub-index__link:hover .saiie-hub-index__cta-icon {
    width: 1.85rem;
  }

  .saiie-hub-index__link:hover .saiie-hub-index__image {
    transform: scale(1.06);
  }
}

/* Dense hubs (many children): tighter rhythm */
.saiie-hub-index.is-dense .saiie-hub-index__link {
  padding-block: 18px;
}

.saiie-hub-index.is-dense .saiie-hub-index__summary {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Grid variant when several thumbs exist */
.saiie-hub-index.is-gallery .saiie-hub-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 0;
}

.saiie-hub-index.is-gallery .saiie-hub-index__item {
  border: 1px solid var(--saiie-line);
  border-top: 0;
  border-left: 0;
}

.saiie-hub-index.is-gallery .saiie-hub-index__item:nth-child(odd) {
  border-left: 1px solid var(--saiie-line);
}

.saiie-hub-index.is-gallery .saiie-hub-index__item:nth-child(-n + 2) {
  border-top: 1px solid var(--saiie-line);
}

.saiie-hub-index.is-gallery .saiie-hub-index__link {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 16px;
  padding: 22px;
  min-height: 100%;
}

.saiie-hub-index.is-gallery .saiie-hub-index__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
}

.saiie-hub-index.is-gallery .saiie-hub-index__index {
  justify-self: start;
}

.saiie-hub-index.is-gallery .saiie-hub-index__cta {
  margin-top: 4px;
}

@media (max-width: 820px) {
  .saiie-hub-index.is-gallery .saiie-hub-index__list {
    grid-template-columns: 1fr;
  }

  .saiie-hub-index.is-gallery .saiie-hub-index__item,
  .saiie-hub-index.is-gallery .saiie-hub-index__item:nth-child(odd) {
    border-left: 1px solid var(--saiie-line);
  }
}

@media (max-width: 720px) {
  .saiie-hub-index-section .container {
    width: min(1120px, calc(100% - 32px));
  }

  .saiie-hub-index__link {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px 16px;
    padding-inline: 4px;
  }

  .saiie-hub-index__cta {
    grid-column: 2;
    justify-self: start;
    margin-top: 2px;
  }

  .saiie-hub-index__item.has-media .saiie-hub-index__media {
    width: 64px;
    height: 64px;
  }

  .saiie-hub-index__summary {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

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

  .saiie-hub-index__link,
  .saiie-hub-index__index,
  .saiie-hub-index__title,
  .saiie-hub-index__cta,
  .saiie-hub-index__cta-icon,
  .saiie-hub-index__image {
    transition: none;
  }
}