/* === SUNWARD Catalog — Design System === */
:root {
  --teal: #059A94;
  --teal-dark: #033B39;
  --teal-light: #E6F5F4;
  --orange: #F5A15A;
  --orange-light: #FFF3E6;
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --text: #1A1A2E;
  --text-secondary: #5A5A72;
  --border: #E2E4EA;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(3,59,57,.08);
  --shadow-lg: 0 8px 32px rgba(3,59,57,.12);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; line-height: 1.2; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* === HEADER === */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex; align-items: center; gap: 24px;
  height: 64px;
}

.header__logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: -.02em;
  flex-shrink: 0;
}
.logo-sun { color: var(--teal); }
.logo-ward { color: var(--teal-dark); }

.header__nav { display: flex; gap: 4px; margin-left: auto; }

.nav-link {
  padding: 8px 16px; border-radius: 8px;
  font-size: .875rem; font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--teal); background: var(--teal-light); }

.header__phone {
  display: flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: .875rem;
  color: var(--teal-dark);
  white-space: nowrap;
  margin-left: 8px;
}
.header__phone svg { flex-shrink: 0; }

.header__burger {
  display: none; flex-direction: column; gap: 5px;
  width: 28px; padding: 4px 0;
}
.header__burger span {
  display: block; height: 2px; background: var(--teal-dark);
  border-radius: 2px; transition: all var(--transition);
}

/* === MAIN APP CONTAINER === */
#app {
  min-height: calc(100vh - 64px - 200px);
  padding-top: 24px; padding-bottom: 48px;
}

/* === CATALOG VIEW === */
.catalog { opacity: 0; transform: translateY(12px); animation: fadeUp .5s ease forwards; }

.catalog__hero {
  text-align: center; padding: 32px 0 24px;
}
.catalog__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700; color: var(--teal-dark);
}
.catalog__subtitle {
  color: var(--text-secondary); margin-top: 8px;
  font-size: 1.05rem;
}

/* Toolbar */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; margin-bottom: 24px;
}

.search-box {
  position: relative; flex: 1; min-width: 200px;
}
.search-box input {
  width: 100%; padding: 10px 16px 10px 42px;
  border: 2px solid var(--border); border-radius: var(--radius);
  font-size: .95rem; background: var(--surface);
  transition: border-color var(--transition);
  outline: none;
}
.search-box input:focus { border-color: var(--teal); }
.search-box svg {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-secondary); pointer-events: none;
}

.sort-select {
  padding: 10px 36px 10px 14px;
  border: 2px solid var(--border); border-radius: var(--radius);
  font-size: .875rem; background: var(--surface);
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235A5A72' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  outline: none;
  transition: border-color var(--transition);
}
.sort-select:focus { border-color: var(--teal); }

.result-count {
  font-size: .875rem; color: var(--text-secondary);
  white-space: nowrap;
}

/* Category Tabs */
.cat-tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.cat-tab {
  padding: 8px 20px; border-radius: 100px;
  font-size: .875rem; font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1.5px solid var(--border);
  transition: all var(--transition);
  white-space: nowrap;
}
.cat-tab:hover { border-color: var(--teal); color: var(--teal); }
.cat-tab.active {
  background: var(--teal); color: #fff; border-color: var(--teal);
}
.cat-tab .tab-count {
  display: inline-block; margin-left: 6px;
  font-size: .75rem; opacity: .7;
}

/* Subcategory pills */
.sub-tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 24px;
  max-height: 0; overflow: hidden; opacity: 0;
  transition: all .4s ease;
}
.sub-tabs.visible { max-height: 200px; opacity: 1; margin-bottom: 24px; }

.sub-tab {
  padding: 6px 14px; border-radius: 100px;
  font-size: .8rem; font-weight: 500;
  color: var(--text-secondary);
  background: var(--teal-light);
  transition: all var(--transition);
}
.sub-tab:hover { background: var(--teal); color: #fff; }
.sub-tab.active { background: var(--teal-dark); color: #fff; }

/* Product Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* Product Card */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  opacity: 0; transform: translateY(20px);
  display: flex; flex-direction: column;
}
.card.revealed { opacity: 1; transform: translateY(0); }
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal);
}

.card__img-wrap {
  position: relative; padding-top: 65%;
  background: linear-gradient(135deg, var(--teal-light) 0%, #f0f4f8 100%);
  overflow: hidden;
}
.card__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 16px;
  transition: transform .5s ease;
}
.card:hover .card__img { transform: scale(1.05); }

.card__img-wrap .skeleton {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--teal-light) 25%, #d4edec 50%, var(--teal-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.card__badge {
  position: absolute; top: 12px; left: 12px;
  padding: 4px 14px; border-radius: 100px;
  background: var(--orange);
  color: #fff; font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em;
}

.card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.card__cat {
  font-size: .75rem; font-weight: 500;
  color: var(--teal); text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 6px;
}

.card__title {
  font-size: 1.1rem; font-weight: 600;
  color: var(--teal-dark); margin-bottom: 12px;
}

.card__specs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px; margin-bottom: 16px; flex: 1;
}
.card__spec {
  font-size: .8rem; color: var(--text-secondary);
}
.card__spec strong {
  display: block; color: var(--text);
  font-weight: 600; font-size: .85rem;
}

.card__btn {
  display: block; width: 100%;
  padding: 12px; border-radius: var(--radius-sm);
  background: var(--teal); color: #fff;
  font-weight: 600; font-size: .9rem;
  text-align: center;
  transition: all var(--transition);
}
.card__btn:hover { background: var(--teal-dark); transform: translateY(-1px); }

/* Empty state */
.empty-state {
  text-align: center; padding: 80px 20px;
  color: var(--text-secondary);
}
.empty-state svg { margin-bottom: 16px; opacity: .4; }
.empty-state h3 { font-size: 1.25rem; margin-bottom: 8px; color: var(--text); }

/* === PRODUCT DETAIL === */
.product { opacity: 0; transform: translateY(12px); animation: fadeUp .5s ease forwards; }

.product__back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .9rem; font-weight: 500;
  color: var(--teal); margin-bottom: 24px;
  transition: color var(--transition);
}
.product__back:hover { color: var(--teal-dark); }

.product__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}

/* Gallery */
.gallery { position: relative; }

.gallery__main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--teal-light) 0%, #f0f4f8 100%);
  padding-top: 70%;
  cursor: zoom-in;
}
.gallery__main img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain; padding: 20px;
  transition: opacity .4s ease;
}

.gallery__thumbs {
  display: flex; gap: 8px; margin-top: 12px;
  overflow-x: auto; padding-bottom: 4px;
  scrollbar-width: thin;
}
.gallery__thumb {
  flex-shrink: 0; width: 72px; height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden; cursor: pointer;
  border: 2px solid transparent;
  background: var(--teal-light);
  transition: all var(--transition);
}
.gallery__thumb.active { border-color: var(--teal); }
.gallery__thumb:hover { border-color: var(--orange); }
.gallery__thumb img {
  width: 100%; height: 100%; object-fit: cover;
}

/* Product Info */
.product__info { display: flex; flex-direction: column; }

.product__cat {
  font-size: .8rem; font-weight: 500;
  color: var(--teal); text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: 8px;
}

.product__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700; color: var(--teal-dark);
  margin-bottom: 16px;
}

.product__desc {
  color: var(--text-secondary);
  font-size: .95rem; line-height: 1.7;
  margin-bottom: 24px;
  max-height: 140px; overflow: hidden;
  position: relative;
}
.product__desc.expanded { max-height: none; }
.product__desc:not(.expanded)::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 40px;
  background: linear-gradient(transparent, var(--bg));
}
.product__desc-toggle {
  color: var(--teal); font-size: .875rem; font-weight: 500;
  margin-bottom: 24px; cursor: pointer;
}
.product__desc-toggle:hover { text-decoration: underline; }

/* Quick specs bar */
.quick-specs {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px; margin-bottom: 24px;
  padding: 20px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%);
  color: #fff;
}
.quick-spec { text-align: center; }
.quick-spec__label {
  font-size: .7rem; text-transform: uppercase;
  letter-spacing: .06em; opacity: .8;
  margin-bottom: 4px;
}
.quick-spec__value { font-family: 'Space Grotesk', sans-serif; font-size: 1.15rem; font-weight: 600; }

.product__cta {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 14px 32px;
  background: var(--orange); color: #fff;
  font-weight: 600; font-size: 1rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  margin-top: auto;
}
.product__cta:hover { background: #e08f3e; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(245,161,90,.4); }

/* Full specs table */
.specs-section {
  margin-bottom: 48px;
}
.specs-section__title {
  font-size: 1.5rem; font-weight: 700;
  color: var(--teal-dark); margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--teal-light);
}

.specs-table {
  width: 100%; border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.specs-table tr:nth-child(even) { background: var(--teal-light); }
.specs-table td {
  padding: 12px 20px; font-size: .9rem;
  border-bottom: 1px solid var(--border);
}
.specs-table td:first-child {
  font-weight: 500; color: var(--text-secondary);
  width: 50%;
}
.specs-table td:last-child { font-weight: 600; }
.specs-table .spec-group td {
  background: var(--teal-dark); color: #fff;
  font-weight: 600; font-size: .85rem;
  text-transform: uppercase; letter-spacing: .04em;
  padding: 10px 20px;
}

/* Features */
.features-list {
  list-style: none;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px; margin-bottom: 48px;
}
.features-list li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: .9rem;
}
.features-list li::before {
  content: '';
  flex-shrink: 0; width: 8px; height: 8px;
  background: var(--teal); border-radius: 50%;
  margin-top: 6px;
}

/* Video */
.video-section { margin-bottom: 48px; }
.video-wrap {
  position: relative; padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--teal-dark);
}
.video-wrap iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* Related */
.related { margin-top: 64px; }
.related__title {
  font-size: 1.5rem; font-weight: 700;
  color: var(--teal-dark); margin-bottom: 24px;
}
.related .grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* === LIGHTBOX === */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.9);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .3s ease;
}
.lightbox[hidden] { display: none !important; }
.lightbox:not([hidden]) { opacity: 1; }
.lightbox__img {
  max-width: 90vw; max-height: 90vh;
  object-fit: contain; border-radius: 8px;
}
.lightbox__close, .lightbox__prev, .lightbox__next {
  position: absolute; color: #fff;
  font-size: 2rem; padding: 12px;
  transition: opacity var(--transition);
}
.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover { opacity: .7; }
.lightbox__close { top: 16px; right: 20px; font-size: 2.5rem; }
.lightbox__prev { left: 20px; top: 50%; transform: translateY(-50%); font-size: 3rem; }
.lightbox__next { right: 20px; top: 50%; transform: translateY(-50%); font-size: 3rem; }

/* === FOOTER === */
.footer {
  background: var(--teal-dark);
  color: rgba(255,255,255,.85);
  padding: 40px 0 32px;
}
.footer__inner {
  display: flex; flex-wrap: wrap; gap: 40px;
  align-items: flex-start;
}
.footer__brand {
  font-family: 'Space Grototek', sans-serif;
  font-size: 1.5rem; font-weight: 700;
  margin-bottom: 8px;
}
.footer__brand .logo-sun { color: var(--teal); }
.footer__brand .logo-ward { color: #fff; }
.footer__dealer { font-size: .9rem; line-height: 1.5; }
.footer__phone {
  display: block; font-size: 1.1rem; font-weight: 600;
  color: #fff; margin-bottom: 12px;
}
.footer__link {
  display: block; font-size: .875rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 8px; transition: color var(--transition);
}
.footer__link:hover { color: var(--orange); }
.footer__copy {
  font-size: .8rem; opacity: .5;
  margin-left: auto; align-self: flex-end;
}

/* === ANIMATIONS === */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .product__top { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  .header__nav { display: none; }
  .header__nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    box-shadow: var(--shadow);
    animation: fadeUp .3s ease forwards;
  }
  .header__burger { display: flex; }
  .header__phone span { display: none; }

  .grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }

  .product__top { gap: 20px; }
  .quick-specs { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .card__specs { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; }
  .search-box { min-width: 100%; }
  .quick-specs { grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal-dark); }