.font-syncopate { font-family: 'Syncopate', sans-serif; overflow-wrap: anywhere; }
body { font-family: 'Inter', sans-serif; color: #e4e4e7; background-color: #000; overflow-x: hidden; }
.bg-opti-orange { background-color: #FF5C00; }
.text-opti-orange { color: #FF5C00; }
.border-opti-orange { border-color: #FF5C00; }

::-webkit-scrollbar { width: 8px; height: 3px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: #27272a; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #FF5C00; }

.lang-active { color: #FF5C00; font-weight: 700; }
.nav-link { position: relative; cursor: pointer; }
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -4px;
  left: 0;
  background-color: #FF5C00;
  transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-nowrap { white-space: nowrap; }
.fit-word { container-type: inline-size; }
.fit-word > .font-syncopate {
  overflow-wrap: normal;
  word-break: keep-all;
  line-height: 1.15;
}
.fit-word > h1.font-syncopate { font-size: clamp(1.35rem, 7.1cqi, 2.25rem); }
.fit-word > h3.font-syncopate { font-size: clamp(1.25rem, 7.1cqi, 1.875rem); }
.nav-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1.15;
  text-align: center;
  white-space: nowrap;
}
.nav-stack span {
  white-space: nowrap;
}

.site-nav-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-nav-brand,
.site-nav-end {
  position: relative;
  z-index: 2;
}
.site-nav-links {
  display: none;
  align-items: center;
  gap: 2.75rem;
}
.site-nav-links > a {
  flex-shrink: 0;
}
@media (min-width: 1024px) {
  .site-nav-links {
    display: flex;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    gap: 1.75rem;
  }
}
@media (min-width: 1280px) {
  .site-nav-links { gap: 3.25rem; }
}

.media-frame,
.img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 1.25rem;
  background: #000;
  border: 1px solid #18181b;
}
.media-frame img,
.img-wrapper img {
  display: block;
  width: 100%;
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.img-wrapper img,
.media-stage img {
  height: 100%;
}
.media-stage img {
  object-fit: contain;
  object-position: center;
}
.media-frame::after,
.img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: rgba(0, 0, 0, 0.18);
  transition: opacity 0.55s ease;
}
.group:hover .img-wrapper::after,
.media-frame:hover::after {
  opacity: 0;
}
.group:hover .img-wrapper,
.media-frame:hover {
  border-color: #27272a;
}
.group:hover .img-wrapper img,
.media-frame:hover img {
  transform: scale(1.02);
}

.img-wrapper.media-tone::after,
.media-frame.media-tone::after {
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.34) 0%,
      rgba(0, 0, 0, 0.10) 30%,
      rgba(0, 0, 0, 0.08) 58%,
      rgba(0, 0, 0, 0.40) 100%
    );
}
.group:hover .img-wrapper.media-tone::after,
.media-frame.media-tone:hover::after {
  opacity: 0.62;
}
.media-tone img {
  object-position: 50% 46%;
}

.media-cutaway::after {
  display: none;
}
.media-frame.media-cutaway:hover img,
.img-wrapper.media-cutaway:hover img,
.group:hover .img-wrapper.media-cutaway img {
  transform: none;
}
.media-caption {
  margin-top: 0.7rem;
  color: #71717a;
  font-size: 0.8rem;
  line-height: 1.5;
}

.media-hero {
  position: absolute;
  inset: 0;
}

.reveal { opacity: 0; transform: translateY(30px); transition: all 1s cubic-bezier(0.5, 0, 0, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }

:focus-visible { outline: 2px solid #FF5C00; outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .img-wrapper img, .media-frame img { transition: none !important; }
  .reveal { transform: none !important; opacity: 1 !important; }
  html { scroll-behavior: auto !important; }
}

@media (max-width: 1023px) {
  .site-nav {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(0, 0, 0, 0.94);
  }
}

.integrated-input {
  background: transparent;
  border-bottom: 1px solid #27272a;
  color: white;
  transition: all 0.3s ease;
  border-radius: 0;
}
.integrated-input:focus {
  border-bottom-color: #FF5C00;
  outline: none;
  box-shadow: none;
  background-color: #09090b;
}

.file-input-clip {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
  pointer-events: none !important;
}
.file-input-clip input {
  position: absolute !important;
  left: -9999px !important;
  width: 0 !important;
  height: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}
.file-choose-btn {
  background: #27272a;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: background 0.3s ease;
}
.file-choose-btn:hover { background: #FF5C00; }

section { scroll-margin-top: 90px; }
#produkty { scroll-margin-top: 0; }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 0.9rem 0;
  border-bottom: 1px solid #18181b;
  vertical-align: top;
}
.spec-table th {
  color: #a1a1aa;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  width: 42%;
  padding-right: 1rem;
}
.spec-table td {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 400;
}

.compare-specs {
  margin: 1.1rem 0 0;
  display: grid;
  gap: 0;
}
.compare-specs div {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.7rem 0;
  border-top: 1px solid #18181b;
}
.compare-specs dt {
  margin: 0;
  color: #71717a;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.4;
}
.compare-specs dd {
  margin: 0;
  color: #fff;
  font-size: 0.875rem;
  line-height: 1.45;
}

.compare-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.compare-table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
}
.compare-table th,
.compare-table td {
  text-align: left;
  padding: 0.85rem 0.75rem 0.85rem 0;
  border-bottom: 1px solid #18181b;
  vertical-align: top;
}
.compare-table thead th {
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.compare-table tbody th {
  color: #a1a1aa;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  width: 22%;
  padding-right: 1rem;
}
.compare-table td {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 400;
  width: 26%;
}

.swatch {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-align: left;
  color: inherit;
  min-width: 0;
}
.swatch-chip {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid #3f3f46;
  border-radius: 0.4rem;
  background-size: cover;
  background-position: center;
}
.swatch.is-ext .swatch-chip { box-shadow: 0 0 0 2px #FF5C00; }
.swatch.is-int .swatch-chip { box-shadow: 0 0 0 2px #fff; }
.swatch.is-ext.is-int .swatch-chip { box-shadow: 0 0 0 2px #FF5C00, 0 0 0 4px #fff; }
.swatch-name {
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #71717a;
  line-height: 1.25;
  min-height: 3.6em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

.pair-preview {
  --ext: #383e42;
  --int: #f4f1ea;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.pair-chip {
  min-height: 9rem;
  border: 1px solid #27272a;
  border-radius: 1.25rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.25rem;
  position: relative;
  overflow: hidden;
  width: 100%;
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: inherit;
}
.pair-chip[aria-pressed="true"] {
  border-color: #FF5C00;
  box-shadow: inset 0 0 0 1px #FF5C00;
}
.pair-chip::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 58%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.55));
  pointer-events: none;
}
.pair-chip span,
.pair-chip strong {
  position: relative;
  z-index: 1;
}
.pair-chip span {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}
.pair-chip strong {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}
.pair-ext,
.pair-int {
  background-color: #111;
  background-size: cover;
  background-position: center;
}

.color-mode-btn[aria-pressed="true"] {
  color: #fff;
  border-color: #FF5C00;
  background: rgba(255, 92, 0, 0.12);
}

.kicker {
  color: #FF5C00;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.brand-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  column-gap: 1.25rem;
  row-gap: 0.75rem;
}
.brand-row img {
  height: 30px;
  width: auto;
  display: block;
}
.brand-row img[alt="Inotherm"] {
  height: 22px;
}
.brand-rule {
  width: 1px;
  height: 30px;
  background: #3f3f46;
  flex: 0 0 auto;
}
.brand-mid {
  position: relative;
  display: flex;
  align-items: center;
}
.brand-row.has-credit {
  margin-bottom: 1.35rem;
}
.brand-credit {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.85rem);
  transform: translateX(-50%);
  color: #3f3f46;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
}
.prose-copy p + p { margin-top: 0.9rem; }
.detail-list {
  margin-top: 0.85rem;
  padding-left: 1.15rem;
  list-style: disc;
}
.detail-list li {
  margin-top: 0.45rem;
  color: #a1a1aa;
  font-size: 0.9rem;
  line-height: 1.65;
}