:root {
  --seitu-catalog-ink: #101928;
  --seitu-catalog-blue: #4faef5;
  --seitu-catalog-blue-deep: #167fc9;
  --seitu-catalog-paper: #ffffff;
  --seitu-catalog-soft: #f4f8fc;
  --seitu-catalog-line: #dce7f2;
}

.seitu-catalog {
  max-width: 1440px;
  margin: clamp(34px, 6vw, 96px) auto;
  padding: 0 clamp(18px, 4vw, 58px) clamp(42px, 8vw, 110px);
  color: var(--seitu-catalog-ink);
}

.seitu-catalog *,
.seitu-catalog *::before,
.seitu-catalog *::after {
  box-sizing: border-box;
}

.seitu-catalog__header {
  max-width: 790px;
  margin: 0 auto clamp(26px, 4vw, 48px);
  text-align: center;
}

.seitu-catalog__eyebrow {
  margin: 0 0 12px;
  color: var(--seitu-catalog-blue-deep);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .2em;
}

.seitu-catalog__header h1 {
  margin: 0;
  color: var(--seitu-catalog-ink);
  font-size: clamp(36px, 5vw, 72px);
  line-height: .95;
  letter-spacing: -.06em;
  font-weight: 950;
}

.seitu-catalog__header > p:last-child {
  max-width: 600px;
  margin: 18px auto 0;
  color: #506174;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.5;
}

.seitu-catalog__filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 auto clamp(30px, 4vw, 52px);
}

.seitu-catalog__filter {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--seitu-catalog-line);
  border-radius: 999px;
  background: #fff;
  color: var(--seitu-catalog-ink);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}

.seitu-catalog__filter:hover,
.seitu-catalog__filter:focus-visible {
  border-color: var(--seitu-catalog-blue);
  outline: 0;
  transform: translateY(-1px);
}

.seitu-catalog__filter.is-active {
  border-color: var(--seitu-catalog-ink);
  background: var(--seitu-catalog-ink);
  color: #fff;
}

.seitu-catalog__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 28px);
  align-items: stretch;
}

.seitu-catalog-card {
  display: grid;
  grid-template-rows: auto minmax(236px, 1fr);
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--seitu-catalog-line);
  border-radius: 24px;
  background: var(--seitu-catalog-paper);
  box-shadow: 0 14px 36px rgba(25, 55, 84, .08);
  transition: transform .24s ease, box-shadow .24s ease;
}

.seitu-catalog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 46px rgba(25, 55, 84, .14);
}

.seitu-catalog-card[hidden] {
  display: none;
}

/* Every product gets the same square stage. Transparent images inherit this
   full pale-blue background instead of appearing on a blank page. */
.seitu-catalog-card__image {
  position: relative;
  display: grid;
  aspect-ratio: 1 / 1;
  min-height: 0;
  place-items: center;
  overflow: hidden;
  padding: clamp(16px, 2.2vw, 30px);
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, .75), rgba(255, 255, 255, 0) 53%),
    linear-gradient(145deg, #dff3ff 0%, #b4ddf7 100%);
}

.seitu-catalog-card__image img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.seitu-catalog-card__placeholder {
  display: grid;
  width: min(60%, 160px);
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--seitu-catalog-blue);
  color: #fff;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 1000;
  line-height: .7;
  letter-spacing: -.08em;
  text-align: center;
}

.seitu-catalog-card__content {
  display: flex;
  min-height: 236px;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px 22px 24px;
}

.seitu-catalog-card__content h2 {
  margin: 0;
  color: var(--seitu-catalog-ink);
  font-size: 20px;
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: -.035em;
}

.seitu-catalog-card__variant {
  min-height: 42px;
  margin: 6px 0 14px;
  color: #4f6172;
  font-size: 15px;
  line-height: 1.35;
}

.seitu-catalog-card__presentation {
  min-height: 39px;
  width: 100%;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--seitu-catalog-line);
  color: #36485b;
  font-size: 13px;
  line-height: 1.35;
}

.seitu-catalog-card__presentation span {
  display: block;
  margin-bottom: 2px;
  color: #7a8ca0;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.seitu-catalog-card__nutrition {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin-top: auto;
  padding: 10px 14px;
  border: 0;
  border-radius: 999px;
  background: #e7f4ff;
  color: #126cab;
  font: inherit;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.seitu-catalog-card__nutrition::after {
  margin-left: 7px;
  content: '→';
}

.seitu-catalog-card__nutrition:hover,
.seitu-catalog-card__nutrition:focus-visible {
  background: var(--seitu-catalog-ink);
  color: #fff;
  outline: 0;
  transform: translateY(-1px);
  text-decoration: none;
}

.seitu-catalog__empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px;
  border: 1px dashed #bfd2e5;
  border-radius: 16px;
  color: #52677b;
  text-align: center;
}

.seitu-catalog__empty--filter {
  margin-top: 24px;
}

.seitu-catalog-dialog {
  width: min(92vw, 540px);
  max-height: min(84vh, 720px);
  overflow: auto;
  padding: 0;
  border: 0;
  border-radius: 24px;
  color: var(--seitu-catalog-ink);
  box-shadow: 0 28px 80px rgba(10, 28, 46, .35);
}

.seitu-catalog-dialog::backdrop {
  background: rgba(9, 20, 34, .62);
  backdrop-filter: blur(3px);
}

.seitu-catalog-dialog__inner {
  padding: 30px;
}

.seitu-catalog-dialog__close {
  float: right;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--seitu-catalog-line);
  border-radius: 50%;
  background: #fff;
  color: var(--seitu-catalog-ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.seitu-catalog-dialog__eyebrow {
  margin: 0 46px 8px 0;
  color: var(--seitu-catalog-blue-deep);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .14em;
}

.seitu-catalog-dialog h2 {
  margin: 0;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1;
  letter-spacing: -.04em;
}

.seitu-catalog-nutrition-table {
  width: 100%;
  margin: 24px 0 0;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--seitu-catalog-line);
  border-radius: 14px;
  font-size: 14px;
}

.seitu-catalog-nutrition-table th,
.seitu-catalog-nutrition-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--seitu-catalog-line);
  text-align: left;
  vertical-align: top;
}

.seitu-catalog-nutrition-table tr:last-child th,
.seitu-catalog-nutrition-table tr:last-child td {
  border-bottom: 0;
}

.seitu-catalog-nutrition-table th {
  width: 55%;
  background: var(--seitu-catalog-soft);
  color: #334b62;
  font-weight: 800;
}

.seitu-catalog-dialog__empty {
  margin: 24px 0 0;
  color: #506174;
  line-height: 1.5;
}

@media (max-width: 1120px) {
  .seitu-catalog__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .seitu-catalog {
    margin-top: 32px;
  }

  .seitu-catalog__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .seitu-catalog-card {
    border-radius: 18px;
  }

  .seitu-catalog-card__content {
    min-height: 222px;
    padding: 18px;
  }

  .seitu-catalog-dialog__inner {
    padding: 24px;
  }
}

@media (max-width: 500px) {
  .seitu-catalog__filters {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0 1px 7px;
    scrollbar-width: thin;
  }

  .seitu-catalog__filter {
    flex: 0 0 auto;
  }

  .seitu-catalog__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .seitu-catalog-card,
  .seitu-catalog__filter,
  .seitu-catalog-card__nutrition {
    transition: none;
  }
}