/* Stimulus Instruments catalogue template.
   Inherits the .si token block from home.css conventions, restated here so the
   catalogue works whether or not the home template is also loaded. */

.si-shop {
  --si-brand: #0f4b64;
  --si-brand-dk: #0b3a4d;
  --si-brand-deep: #072a38;
  --si-tint: #e7eff2;
  --si-alt: #f4f7f8;
  --si-ink: #1f2d33;
  --si-body: #55666f;
  --si-line: #dfe6e9;
  --si-line-soft: #eef2f4;
  --si-head: 'Montserrat', Helvetica, Arial, sans-serif;
  --si-text: 'Source Sans Pro', Helvetica, Arial, sans-serif;
  --si-gut: clamp(1.1rem, 4vw, 3rem);

  font-family: var(--si-text);
  color: var(--si-body);
  font-size: 16.5px;
  line-height: 1.65;
}

.si-shop *, .si-shop *::before, .si-shop *::after { box-sizing: border-box; }
.si-shop .si-wrap { max-width: 1240px; margin-inline: auto; padding-inline: var(--si-gut); }
.si-shop h1, .si-shop h2 { font-family: var(--si-head); color: var(--si-ink); margin: 0; font-weight: 700; }
.si-shop h1 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.12; letter-spacing: -.02em; }
.si-shop p { margin: 0; }
.si-shop img { max-width: 100%; height: auto; }
.si-shop a { text-decoration: none; }
.si-shop :focus-visible { outline: 2px solid var(--si-brand); outline-offset: 2px; }

.si-shop .si-eyebrow {
  font-family: var(--si-head); font-size: .6875rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--si-brand);
  display: block; margin-bottom: .5rem;
}
.si-shop .si-lede { font-size: 1.0625rem; max-width: 64ch; margin-top: .7rem; }
.si-shop .si-code {
  font-family: var(--si-head); font-size: .75rem; font-weight: 600;
  letter-spacing: .1em; color: var(--si-brand); font-variant-numeric: tabular-nums;
}

.si-shop .si-btn {
  display: inline-block; font-family: var(--si-head); font-size: .75rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; padding: .8rem 1.5rem;
  background: var(--si-brand); color: #fff !important; border: 1px solid var(--si-brand);
  border-radius: 2px; cursor: pointer; transition: background .18s, color .18s;
}
.si-shop .si-btn:hover { background: var(--si-brand-dk); border-color: var(--si-brand-dk); }
.si-shop .si-ghost { background: transparent; color: var(--si-brand) !important; }
.si-shop .si-ghost:hover { background: var(--si-brand); color: #fff !important; }
.si-shop .si-small { padding: .55rem 1rem; font-size: .6875rem; }
.si-shop .si-on-dark { background: #fff; color: var(--si-brand-deep) !important; border-color: #fff; }

/* ---------------- header ---------------- */
.si-shop-head { background: var(--si-alt); padding: clamp(2rem, 5vw, 3.4rem) 0; border-bottom: 1px solid var(--si-line); }

/* ---------------- catalogue downloads ---------------- */
.si-shop .si-downloads { margin-top: 1.6rem; }
.si-shop .si-downloads-label {
  font-family: var(--si-head); font-size: .625rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--si-body);
  margin-bottom: .6rem;
}
.si-shop .si-downloads-row { display: flex; flex-wrap: wrap; gap: .7rem; }

.si-shop .si-download {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .8rem 1.4rem; letter-spacing: .1em;
}
.si-shop .si-download:nth-child(2) {
  background: #fff; color: var(--si-brand) !important; border-color: var(--si-line);
}
.si-shop .si-download:nth-child(2):hover {
  background: var(--si-brand); color: #fff !important; border-color: var(--si-brand);
}
.si-shop .si-dl-icon { flex: none; }
.si-shop .si-dl-text { line-height: 1.3; }

@media (max-width: 520px) {
  .si-shop .si-downloads-row { flex-direction: column; align-items: stretch; }
  .si-shop .si-download { justify-content: flex-start; }
}

/* ---------------- layout ---------------- */
.si-shop-body {
  display: grid; grid-template-columns: 250px 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-block: clamp(1.8rem, 4vw, 3rem);
  align-items: start;
}
@media (max-width: 900px) { .si-shop-body { grid-template-columns: 1fr; } }

/* ---------------- filters ---------------- */
.si-filters { position: sticky; top: 100px; }
@media (max-width: 900px) { .si-filters { position: static; } }

.si-filter-search { display: flex; flex-direction: column; gap: .45rem; margin-bottom: 1.6rem; }
.si-filter-search label {
  font-family: var(--si-head); font-size: .625rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--si-body);
}
.si-filter-search input {
  width: 100%; font-family: var(--si-text); font-size: .9375rem;
  padding: .6rem .7rem; border: 1px solid var(--si-line); border-radius: 2px;
  background: #fff; color: var(--si-ink);
}
.si-filter-search input:focus { border-color: var(--si-brand); outline: none; }

.si-facet { border: 0; padding: 0; margin: 0 0 1.5rem; }
.si-facet legend {
  font-family: var(--si-head); font-size: .625rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--si-ink);
  padding: 0 0 .55rem; border-bottom: 1px solid var(--si-line); width: 100%;
}
.si-facet ul { list-style: none; margin: .6rem 0 0; padding: 0; display: grid; gap: .12rem; }

.si-facet-link {
  display: flex; align-items: center; gap: .55rem;
  padding: .3rem .35rem; border-radius: 2px;
  font-size: .875rem; color: var(--si-body);
  transition: background .14s, color .14s;
}
.si-facet-link:hover { background: var(--si-tint); color: var(--si-ink); }
.si-box {
  width: 14px; height: 14px; flex: 0 0 14px;
  border: 1px solid var(--si-line); border-radius: 2px; background: #fff;
}
.si-facet-link.is-on { color: var(--si-brand); font-weight: 600; }
.si-facet-link.is-on .si-box {
  background: var(--si-brand); border-color: var(--si-brand);
  background-image: linear-gradient(45deg, transparent 44%, #fff 44%, #fff 56%, transparent 56%),
                    linear-gradient(-45deg, transparent 44%, #fff 44%, #fff 56%, transparent 56%);
}
.si-facet-name { flex: 1; }
.si-facet-count { font-size: .75rem; color: var(--si-body); font-variant-numeric: tabular-nums; opacity: .7; }

.si-clear {
  display: inline-block; font-family: var(--si-head); font-size: .6875rem;
  font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--si-brand); border-bottom: 1px solid currentColor; padding-bottom: 2px;
}

/* ---------------- results ---------------- */
.si-results-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: .8rem;
  padding-bottom: 1rem; margin-bottom: 1.4rem; border-bottom: 1px solid var(--si-line);
}
.si-count { font-family: var(--si-head); font-size: .875rem; font-weight: 600; color: var(--si-ink); }

.si-chips-active { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.si-chips-active a {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--si-head); font-size: .6875rem; font-weight: 600; letter-spacing: .06em;
  background: var(--si-brand); color: #fff; padding: .3rem .55rem; border-radius: 2px;
}
.si-chips-active a:hover { background: var(--si-brand-dk); }

.si-shop-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
@media (max-width: 1100px) { .si-shop-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 780px)  { .si-shop-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px)  { .si-shop-grid { grid-template-columns: 1fr; } }

.si-shop .si-card {
  border: 1px solid var(--si-line); border-radius: 3px; background: #fff;
  display: flex; flex-direction: column; overflow: hidden;
  transition: border-color .18s, transform .18s;
}
.si-shop .si-card:hover { border-color: var(--si-brand); transform: translateY(-2px); }
.si-shop .si-card-img { display: grid; place-items: center; padding: 1rem; background: #fff; border-bottom: 1px solid var(--si-line-soft); }
.si-shop .si-card-img img { width: 100%; display: block; }
.si-shop .si-card-body { padding: .85rem .95rem 1rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.si-card-title { font-family: var(--si-head); font-size: .9375rem; font-weight: 600; line-height: 1.35; margin: 0; }
.si-card-title a { color: var(--si-ink); }
.si-card-title a:hover { color: var(--si-brand); }
.si-card-meta { font-size: .8125rem; }
.si-shop .si-card-body .si-btn { margin-top: auto; text-align: center; }

/* ---------------- pagination ---------------- */
.si-pagination { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: 2rem; }
.si-pagination .page-numbers {
  display: grid; place-items: center; min-width: 38px; height: 38px; padding: 0 .6rem;
  border: 1px solid var(--si-line); border-radius: 2px;
  font-family: var(--si-head); font-size: .8125rem; font-weight: 600; color: var(--si-ink);
  font-variant-numeric: tabular-nums;
}
.si-pagination .page-numbers:hover { border-color: var(--si-brand); color: var(--si-brand); }
.si-pagination .page-numbers.current { background: var(--si-brand); border-color: var(--si-brand); color: #fff; }

/* ---------------- empty state ---------------- */
.si-empty { border: 1px dashed var(--si-line); border-radius: 3px; padding: 2.5rem 1.5rem; text-align: center; }
.si-empty h2 { font-size: 1.15rem; margin-bottom: .5rem; }
.si-empty p { margin-bottom: 1.2rem; }

/* ---------------- closing band ---------------- */
.si-shop .si-band { background: var(--si-brand); }
.si-shop .si-band h2 { color: #fff; }
.si-shop .si-band p { color: #d3e4eb; margin-top: .5rem; max-width: 56ch; }
.si-shop .si-band .si-wrap {
  display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center;
  padding-block: clamp(2rem, 4vw, 3rem);
}
@media (max-width: 760px) { .si-shop .si-band .si-wrap { grid-template-columns: 1fr; } }

.screen-reader-text {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}