/* ============================================================
   HOME — landing page (/)
   Class names copied verbatim from docs/wireframes/home.html.
   Colours via tokens; rgba(255,255,255,X) used for translucent
   overlays only (matching the footer.css precedent), and the
   dark hero overlay uses color-mix() against --color-text-primary
   so no brand hex is duplicated.
   ============================================================ */

.home-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ===================== HERO CAROUSEL ===================== */
.hero {
  position: relative;
  overflow: hidden;
  height: 520px;
  background: var(--color-text-primary);
}
.hero-track {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.hero-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  position: relative;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    color-mix(in srgb, var(--color-text-primary) 75%, transparent) 0%,
    color-mix(in srgb, var(--color-text-primary) 35%, transparent) 55%,
    color-mix(in srgb, var(--color-text-primary)  5%, transparent) 100%
  );
}
.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--container-pad);
  max-width: calc(var(--container-max) + 2 * var(--container-pad));
  margin: 0 auto;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
}
.hero-text { max-width: 520px; }
.hero-tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.hero-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-text-inverse);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}
.hero-sub {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  text-decoration: none;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background 0.15s, transform 0.1s;
}
.hero-btn:hover { background: var(--color-accent-dark); transform: translateY(-1px); }

.hero-prev, .hero-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-text-inverse);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  backdrop-filter: blur(4px);
  transition: background 0.15s;
}
.hero-prev svg, .hero-next svg { width: 18px; height: 18px; }
.hero-prev:hover, .hero-next:hover { background: rgba(255, 255, 255, 0.28); }
.hero-prev { left: var(--space-5); }
.hero-next { right: var(--space-5); }

.hero-dots {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 10;
}
.hero-dot {
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}
.hero-dot.is-active {
  background: var(--color-text-inverse);
  transform: scale(1.3);
}

/* ===================== TRUST STRIP ===================== */
.trust-strip {
  background: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) var(--container-pad);
}
.trust-strip-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
}
.trust-icon {
  width: 36px; height: 36px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.trust-icon svg { width: 18px; height: 18px; }
.trust-divider {
  width: 1px; height: 28px;
  background: var(--color-border);
}

/* ===================== USP STRIP ===================== */
.usp-section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-12) var(--container-pad) 0;
}
.usp-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.usp-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.usp-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.usp-icon svg { width: 20px; height: 20px; }
.usp-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
}
.usp-desc {
  font-size: var(--text-xs);
  color: var(--color-text-hint);
  margin-top: 2px;
}

/* ===================== SECTION ===================== */
.section { padding: var(--space-12) var(--container-pad); }
.section-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  position: relative;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-6);
}
.section-heading::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* ===================== PRODUCT STRIP (home) ===================== */
.home-strip-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}
.home-strip-head .section-heading { margin-bottom: var(--space-3); }
.home-strip-link {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  padding-bottom: var(--space-3);
  transition: color 0.15s;
}
.home-strip-link:hover { color: var(--color-primary-dark); }

.home-strip-cta {
  text-align: center;
  margin-top: var(--space-8);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  padding: var(--space-3) var(--space-6);
  text-decoration: none;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ===================== PROMO BANNERS (Nowości / Promocje) ===================== */
.promo-banners {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.promo-banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 200px;
  text-decoration: none;
  display: block;
}
.promo-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.promo-banner:hover img { transform: scale(1.04); }
.promo-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-primary) 72%, transparent) 0%,
    color-mix(in srgb, var(--color-primary) 20%, transparent) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
}
.promo-banner-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}
.promo-banner-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}
.promo-banner-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color 0.15s;
}
.promo-banner:hover .promo-banner-link { color: var(--color-text-inverse); }

/* ===================== CATEGORY GRID ===================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}
.category-card {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
}
.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.category-card:hover img { transform: scale(1.06); }
.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    color-mix(in srgb, var(--color-text-primary) 80%, transparent) 0%,
    color-mix(in srgb, var(--color-text-primary) 25%, transparent) 60%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-4);
  color: var(--color-text-inverse);
}
.category-card-name {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.2;
}
.category-card-link {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 2px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ===================== KOPALNIA WIEDZY ===================== */
.section-alt { background: var(--color-bg-surface); }
.home-blog .blog-grid { gap: var(--space-5); margin-bottom: 0; }
.blog-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.blog-card-img {
  height: 180px;
  overflow: hidden;
  background: var(--color-bg-subtle);
}
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-body { padding: var(--space-4); }
.blog-card-date  { font-size: var(--text-xs); color: var(--color-text-hint); margin-bottom: var(--space-2); }
.blog-card-title { font-size: var(--text-base); font-weight: 600; color: var(--color-text-primary); margin-bottom: var(--space-2); line-height: 1.4; }
.blog-card-excerpt { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: 1.5; margin-bottom: var(--space-3); }
.blog-card-link  { font-size: var(--text-sm); color: var(--color-primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.blog-card:hover .blog-card-link { color: var(--color-primary-dark); }

/* ===================== PARTNERS ===================== */
.partners-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  flex: 1 1 120px;
  text-decoration: none;
}
.partner-logo img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.6;
  transition: filter 0.2s, opacity 0.2s;
}
.partner-logo:hover img {
  filter: grayscale(0);
  opacity: 1;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .usp-strip     { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero { height: 420px; }
  .hero-prev, .hero-next { display: none; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .promo-banners { grid-template-columns: 1fr; }
  .trust-strip-inner { gap: var(--space-5); }
  .trust-divider { display: none; }
}