:root {
  --solutel-ink: #14213d;
  --solutel-blue: #315f97;
  --solutel-sky: #dce8fa;
  --solutel-line: #dfe5ee;
  --solutel-paper: #ffffff;
}

.solutel-directory,
.solutel-filter-shell {
  color: var(--solutel-ink);
  font-family: "Montserrat", "Helvetica Neue", sans-serif;
}

.solutel-section-heading { margin: 0 0 2rem; max-width: 720px; }
.solutel-section-heading span,
.solutel-filter-heading span,
.solutel-category-index > span {
  color: var(--solutel-blue);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.solutel-section-heading h2 { font-size: clamp(2rem, 5vw, 4rem); margin: .3rem 0; }
.solutel-section-heading p { color: #5f6877; font-size: 1rem; }

.solutel-brand-grid,
.solutel-category-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.solutel-brand-card,
.solutel-category-card {
  background: var(--solutel-paper);
  border: 1px solid var(--solutel-line);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(20, 33, 61, .07);
  color: var(--solutel-ink);
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 1.1rem;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.solutel-brand-card:hover,
.solutel-category-card:hover { box-shadow: 0 18px 48px rgba(20, 33, 61, .14); transform: translateY(-4px); }
.solutel-brand-art,
.solutel-category-art { align-items: center; display: flex; flex: 1; justify-content: center; min-height: 110px; }
.solutel-brand-art img,
.solutel-category-art img { height: 90px; max-width: 100%; object-fit: contain; width: auto; }
.solutel-brand-initial { color: var(--solutel-blue); font-size: 3rem; font-weight: 700; }
.solutel-brand-name { font-size: 1.05rem; font-weight: 700; }
.solutel-brand-count,
.solutel-category-card small { color: #7b8491; margin-top: .2rem; }

.solutel-filter-shell {
  background: linear-gradient(135deg, #f4f7fc, #fff);
  border: 1px solid var(--solutel-line);
  border-radius: 18px;
  margin: 0 0 1.5rem;
  padding: 1rem 1.2rem;
}
.solutel-filter-heading { align-items: center; display: flex; justify-content: space-between; margin-bottom: .9rem; }
.solutel-filter-heading div { display: flex; flex-direction: column; }
.solutel-filter-heading strong { font-size: 1.15rem; }
.solutel-filter-toggle { display: none; }
.solutel-filter-form { align-items: end; display: grid; gap: .8rem; grid-template-columns: 1fr 1fr 1fr auto; }
.solutel-filter-form label { color: #4d5766; display: grid; font-size: .75rem; font-weight: 700; gap: .35rem; text-transform: uppercase; }
.solutel-filter-form input,
.solutel-filter-form select {
  background: #fff;
  border: 1px solid #cfd7e3;
  border-radius: 10px;
  color: var(--solutel-ink);
  min-height: 44px;
  padding: .65rem .75rem;
  width: 100%;
}
.solutel-filter-actions { align-items: center; display: flex; gap: .7rem; }
.solutel-filter-actions button {
  background: var(--solutel-ink);
  border: 0;
  border-radius: 10px;
  color: #fff;
  min-height: 44px;
  padding: .7rem 1rem;
}
.solutel-filter-actions a { color: var(--solutel-blue); font-weight: 700; }

.solutel-catalog-layout { align-items: start; display: grid; gap: 1.5rem; grid-template-columns: minmax(0, 1fr) 260px; }
.solutel-category-index {
  background: #f7f9fc;
  border: 1px solid var(--solutel-line);
  border-radius: 16px;
  padding: 1.2rem;
  position: sticky;
  top: 1rem;
}
.solutel-category-index h3 { color: var(--solutel-ink); font-size: 1rem; margin: 1rem 0 .45rem; }
.solutel-category-index ul { list-style: none; margin: 0; padding: 0; }
.solutel-category-index li { border-bottom: 1px solid var(--solutel-line); }
.solutel-category-index a { color: #465165; display: block; padding: .55rem 0; text-decoration: none; }
.solutel-category-index a:hover { color: var(--solutel-blue); }
.solutel-index-toggle,
.solutel-index-close { display: none; }
.solutel-empty { align-items: flex-start; background: #f7f9fc; border: 1px solid var(--solutel-line); border-radius: 14px; display: flex; flex-direction: column; padding: 1.3rem; }

@media (max-width: 960px) {
  .solutel-brand-grid,
  .solutel-category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .solutel-filter-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .solutel-catalog-layout { grid-template-columns: 1fr; }
  .solutel-category-index {
    border-radius: 0;
    bottom: 0;
    box-shadow: -20px 0 50px rgba(20, 33, 61, .18);
    max-width: 340px;
    overflow: auto;
    position: fixed;
    right: 0;
    top: 0;
    transform: translateX(105%);
    transition: transform .25s ease;
    width: 86vw;
    z-index: 99999;
  }
  body.solutel-index-open .solutel-category-index { transform: translateX(0); }
  .solutel-index-toggle {
    background: var(--solutel-ink);
    border: 0;
    border-radius: 999px;
    bottom: 5rem;
    color: #fff;
    display: block;
    padding: .75rem 1rem;
    position: fixed;
    right: 1rem;
    z-index: 9999;
  }
  .solutel-index-close { background: none; border: 0; color: var(--solutel-blue); display: block; margin-left: auto; }
}

@media (max-width: 640px) {
  .solutel-brand-grid,
  .solutel-category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .solutel-brand-card,
  .solutel-category-card { min-height: 155px; padding: .8rem; }
  .solutel-brand-art,
  .solutel-category-art { min-height: 82px; }
  .solutel-brand-art img,
  .solutel-category-art img { height: 68px; }
  .solutel-filter-toggle { background: transparent; border: 1px solid var(--solutel-blue); border-radius: 999px; color: var(--solutel-blue); display: block; padding: .5rem .8rem; }
  .solutel-filter-form { display: none; grid-template-columns: 1fr; }
  .solutel-filter-shell.is-open .solutel-filter-form { display: grid; }
  .solutel-filter-actions { justify-content: space-between; }
}
.solutel-product-context {
    display: grid;
    gap: .4rem;
    margin: .65rem 0 .85rem;
    color: #43516b;
    font-size: .82rem;
    line-height: 1.45;
}

.solutel-product-context p,
.solutel-product-context ul {
    margin: 0;
}

.solutel-product-context ul {
    padding-left: 1rem;
}

.solutel-product-sku {
    width: fit-content;
    padding: .22rem .5rem;
    border-radius: 999px;
    background: #eef4ff;
    color: #10264d;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
}