/* ============================================================
   Klimastyle – Katalog klimatizací
   Page-specific styles — inherits design tokens from styles.css
   ============================================================ */

/* ---------- Catalog Hero ---------- */
.kat-hero {
  position: relative;
  min-height: clamp(300px, 38vw, 440px);
  display: flex;
  align-items: center;
  padding-top: 70px;
  overflow: hidden;
}
.kat-hero-bg { position: absolute; inset: 0; z-index: 0; }
.kat-hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.kat-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(26,35,50,.93) 0%, rgba(26,35,50,.72) 60%, rgba(26,35,50,.45) 100%);
}
.kat-hero-content {
  position: relative; z-index: 1;
  padding-block: clamp(2.5rem, 5vw, 4rem);
  max-width: 700px;
}
.breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  font-size: .82rem; color: rgba(255,255,255,.55);
  margin-bottom: 1.25rem;
}
.breadcrumb a { color: rgba(255,255,255,.65); transition: color .2s; }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb span:last-child { color: rgba(255,255,255,.9); }
.kat-hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800; color: var(--white);
  line-height: 1.1; letter-spacing: -.02em;
  margin-bottom: .875rem;
}
.kat-hero-content > p {
  font-size: clamp(.95rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,.8);
  max-width: 560px; line-height: 1.65;
  margin-bottom: 2rem;
}
.kat-hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Category Chips ---------- */
.kat-chips-section {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding-block: 1rem;
  position: sticky;
  top: 70px;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.kat-chips {
  display: flex;
  flex-wrap: nowrap;
  gap: .5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
}
.kat-chips::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0;
  padding: .45rem 1.1rem;
  border-radius: 100px;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-700);
  font-size: .875rem; font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.chip:hover { border-color: var(--teal); color: var(--teal); }
.chip.active {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
  font-weight: 600;
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.filter-bar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}
.filter-group {
  display: flex; flex-direction: column; gap: .35rem;
  min-width: 140px; flex: 1;
}
.filter-group label {
  font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--gray-500);
}
.filter-group select {
  padding: .55rem .9rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-family: var(--font);
  font-size: .9rem;
  color: var(--navy);
  background: var(--white);
  cursor: pointer;
  transition: border-color .2s;
  outline: none;
  appearance: auto;
}
.filter-group select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,180,204,.12);
}
.filter-group--check {
  flex-direction: row; align-items: flex-end;
  flex-wrap: wrap; gap: .75rem;
  min-width: auto;
}
.check-label {
  display: flex; align-items: center; gap: .4rem;
  font-size: .9rem; color: var(--gray-700);
  cursor: pointer; white-space: nowrap;
  padding-bottom: .1rem;
}
.check-label input { accent-color: var(--teal); width: 16px; height: 16px; cursor: pointer; }
.filter-reset {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: .875rem; font-weight: 500;
  color: var(--gray-500);
  background: var(--white);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  align-self: flex-end;
  font-family: var(--font);
}
.filter-reset:hover { border-color: var(--teal); color: var(--teal); }
.filter-bar-meta {
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap; gap: .75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
}
.filter-count { font-size: .875rem; color: var(--gray-500); }
.filter-count strong { color: var(--navy); }
.filter-sort {
  display: flex; align-items: center; gap: .6rem;
  font-size: .875rem; color: var(--gray-500);
}
.filter-sort select {
  padding: .4rem .75rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 6px;
  font-family: var(--font);
  font-size: .875rem;
  color: var(--navy);
  background: var(--white);
  cursor: pointer; outline: none;
}

/* ---------- Product Grid ---------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1200px) { .prod-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px)  { .prod-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .prod-grid { grid-template-columns: 1fr; } }

/* ---------- Product Card ---------- */
.prod-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  position: relative;
}
.prod-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.prod-badges {
  position: absolute; top: .875rem; left: .875rem;
  display: flex; flex-direction: column; gap: .35rem;
  z-index: 2;
}
.badge {
  display: inline-block;
  padding: .25rem .7rem;
  border-radius: 100px;
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  line-height: 1.4;
}
.badge--best    { background: var(--teal); color: var(--white); }
.badge--rec     { background: var(--navy); color: var(--white); }
.badge--sale    { background: #f59e0b; color: var(--white); }
.badge--premium { background: #7c3aed; color: var(--white); }
.badge--new     { background: #059669; color: var(--white); }

.prod-img-wrap {
  height: 210px;
  background: var(--gray-50);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 1.25rem;
}
.prod-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform .4s ease;
}
.prod-card:hover .prod-img-wrap img { transform: scale(1.06); }

.prod-body {
  padding: 1.25rem;
  display: flex; flex-direction: column;
  flex: 1;
}
.prod-brand-row {
  display: flex; align-items: center; gap: .5rem;
  margin-bottom: .5rem;
}
.prod-brand-logo {
  height: 18px; width: auto;
  object-fit: contain;
  filter: grayscale(1); opacity: .6;
}
.prod-brand-name {
  font-size: .75rem; font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase; letter-spacing: .06em;
}
.prod-name {
  font-size: 1.1rem; font-weight: 700;
  color: var(--navy); line-height: 1.2;
  margin-bottom: .5rem;
}
.prod-desc {
  font-size: .875rem; color: var(--gray-500);
  line-height: 1.6; margin-bottom: .875rem;
  flex: 1;
}
.prod-specs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: .4rem .75rem;
  margin-bottom: .875rem;
  padding: .875rem;
  background: var(--gray-50);
  border-radius: 8px;
}
.prod-specs li { display: flex; flex-direction: column; gap: .08rem; }
.prod-specs li span {
  font-size: .69rem; color: var(--gray-500);
  text-transform: uppercase; letter-spacing: .05em; font-weight: 500;
}
.prod-specs li strong { font-size: .875rem; color: var(--navy); font-weight: 600; }

.prod-price { margin-bottom: .875rem; }
.price-label { display: block; font-size: .75rem; color: var(--gray-500); font-weight: 500; margin-bottom: .1rem; }
.price-val {
  display: block;
  font-size: 1.4rem; font-weight: 800;
  color: var(--navy); line-height: 1.1;
}
.prod-price.price-on-request .price-label {
  font-size: .9rem; font-weight: 600;
  color: var(--navy); margin-bottom: 0;
}

.prod-ctas { display: flex; gap: .625rem; }
.prod-ctas .btn-primary {
  flex: 1;
  justify-content: center;
  font-size: .875rem;
  padding: .6rem 1rem;
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: .4rem;
  background: transparent;
  color: var(--gray-500);
  border: 1.5px solid var(--gray-200);
  padding: .6rem .875rem;
  border-radius: 8px;
  font-size: .875rem; font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  text-decoration: none;
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

/* No results state */
.no-results {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-500);
  display: none;
}
.no-results svg { margin: 0 auto 1.25rem; opacity: .25; }
.no-results h3 { font-size: 1.2rem; color: var(--navy); margin-bottom: .5rem; }
.no-results p { margin-bottom: 1.5rem; }

/* ---------- Why Buy Strip ---------- */
.kat-why { background: var(--gray-50); }
.kat-why-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}
@media (max-width: 1100px) { .kat-why-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 580px)  { .kat-why-grid { grid-template-columns: repeat(2, 1fr); } }

.kat-why-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: border-color .2s, box-shadow .2s;
}
.kat-why-item:hover {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,180,204,.08);
}
.kat-why-icon {
  width: 52px; height: 52px;
  background: var(--teal-light);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.kat-why-icon svg { width: 24px; height: 24px; stroke: var(--teal); }
.kat-why-item h3 { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: .35rem; }
.kat-why-item p { font-size: .85rem; color: var(--gray-500); line-height: 1.55; }

/* ---------- Final CTA ---------- */
.kat-cta-final {
  position: relative;
  padding-block: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
}
.kat-cta-bg { position: absolute; inset: 0; z-index: 0; }
.kat-cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.kat-cta-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,75,90,.93) 0%, rgba(26,35,50,.92) 100%);
}
.kat-cta-content {
  position: relative; z-index: 1;
  text-align: center;
  color: var(--white);
  max-width: 760px;
  margin-inline: auto;
}
.kat-cta-content h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800; line-height: 1.2;
  margin-block: .875rem 1rem;
}
.kat-cta-content > p {
  color: rgba(255,255,255,.8);
  font-size: 1.05rem; line-height: 1.65;
  margin-bottom: 2rem;
}
.kat-cta-btns { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-bottom: 2rem; }
.kat-cta-meta {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem;
  font-size: .85rem; color: rgba(255,255,255,.6);
}
.kat-cta-meta span { display: flex; align-items: center; gap: .4rem; }
.kat-cta-meta svg { flex-shrink: 0; stroke: var(--teal); }

/* ---------- Nav active state ---------- */
.nav-active { color: var(--teal) !important; }

/* ---------- Responsive tweaks ---------- */
@media (max-width: 768px) {
  .filter-group { min-width: calc(50% - .5rem); flex: 0 0 calc(50% - .5rem); }
  .filter-group--check { flex: 1 0 100%; }
  .filter-reset { flex: 0 0 auto; }
}
@media (max-width: 540px) {
  .filter-group { min-width: 100%; flex: 0 0 100%; }
  .filter-bar { padding: 1rem; }
}
@media (max-width: 640px) {
  .kat-hero-ctas { flex-direction: column; }
  .kat-cta-btns { flex-direction: column; align-items: center; }
}