/* === Базовые переменные (светлая тема по умолчанию) === */
:root {
  --bg: #f5f5f7;
  --bg-card: #ffffff;
  --bg-alt: #eef0f3;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --primary: #1e5aa8;
  --primary-hover: #174a8c;
  --accent: #e87722;
  --accent-hover: #c9641a;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --radius: 8px;
  --container: 1200px;
}

/* === Тёмная тема === */
[data-theme="dark"] {
  --bg: #121418;
  --bg-card: #1e2128;
  --bg-alt: #262a33;
  --text: #e8e8ea;
  --text-muted: #9ca3af;
  --border: #2d3139;
  --primary: #4a90e2;
  --primary-hover: #6aa5e8;
  --accent: #f59e4a;
  --accent-hover: #f7b06a;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* === Сброс и базовые стили === */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* === Шапка === */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.logo span { color: var(--accent); }

.nav { display: flex; gap: 24px; align-items: center; }
.nav a {
  color: var(--text);
  font-size: 15px;
  transition: color 0.15s;
}
.nav a:hover, .nav a.active { color: var(--primary); }

.header-actions { display: flex; gap: 12px; align-items: center; }

.theme-toggle {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
}
.theme-toggle:hover { border-color: var(--primary); }

/* === Логотип-изображение === */
.logo-img {
  height: 50px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  transition: height 0.2s;
}

/* Адаптив для логотипа */
@media (max-width: 768px) {
  .logo-img {
    height: 40px;
    max-width: 150px;
  }
}

@media (max-width: 480px) {
  .logo-img {
    height: 35px;
    max-width: 130px;
  }
}

/* === Кнопки === */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-align: center;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover { background: var(--accent-hover); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* === Лента акций (прокручиваемая) === */
.promos {
  margin: 24px 0 32px;
  position: relative;
}
.promos-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.promos-header h3 {
  font-size: 18px;
  color: var(--text);
}
.promos-nav {
  display: flex;
  gap: 8px;
}
.promos-nav button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  font-size: 16px;
  transition: all 0.15s;
}
.promos-nav button:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.promos-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 4px 0 16px;
  cursor: grab;
}
.promos-track.dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}
.promos-track::-webkit-scrollbar {
  height: 6px;
}
.promos-track::-webkit-scrollbar-track {
  background: var(--bg-alt);
  border-radius: 3px;
}
.promos-track::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.promo-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
  user-select: none;
  transition: transform 0.15s;
}
.promo-card:hover {
  transform: translateY(-2px);
}
.promo-card h4 {
  font-size: 16px;
  color: var(--accent);
}
.promo-card p {
  font-size: 14px;
  color: var(--text-muted);
  flex: 1;
}
.promo-card a {
  font-size: 13px;
  color: var(--primary);
  align-self: flex-start;
}
.promo-card a:hover { text-decoration: underline; }

.promos-empty {
  color: var(--text-muted);
  font-size: 14px;
  padding: 20px;
  text-align: center;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

@media (max-width: 600px) {
  .promo-card { flex: 0 0 260px; }
}

/* === Секции === */
.section { padding: 48px 0; }
.section-title {
  font-size: 28px;
  margin-bottom: 24px;
  font-weight: 700;
}

/* === Блок "О компании" === */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.about-card h3 {
  color: var(--primary);
  font-size: 18px;
  margin-bottom: 8px;
}

/* === Каталог === */
.catalog-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text);
  font-size: 14px;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, box-shadow 0.15s;
}
.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.product-image {
  height: 180px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}
.product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-category {
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.product-name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}
.product-short {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
}
.product-actions {
  display: flex;
  gap: 8px;
}
.product-actions .btn { flex: 1; padding: 8px 12px; font-size: 14px; }

/* === Форма === */
.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 32px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.checkbox-group input { margin-top: 3px; }

/* === Контакты === */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.contact-block h3 {
  color: var(--primary);
  margin-bottom: 16px;
}
.contact-item {
  margin-bottom: 12px;
  font-size: 15px;
}
.contact-item strong { color: var(--text-muted); font-weight: 500; display: block; font-size: 13px; margin-bottom: 2px; }

#map {
  height: 450px;
  border-radius: var(--radius);
  margin-top: 24px;
  border: 1px solid var(--border);
}
.route-buttons {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* === Сертификаты === */
.cert-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.cert-card h4 { margin-bottom: 8px; }
.cert-card a { font-size: 14px; }

/* === Подвал === */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 64px;
  font-size: 14px;
  color: var(--text-muted);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer a { color: var(--text-muted); margin-left: 16px; }
.footer a:hover { color: var(--primary); }

/* === Cookie-плашка === */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 500px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  z-index: 1000;
  display: none;
}
.cookie-banner.show { display: block; }
.cookie-banner p { font-size: 14px; margin-bottom: 12px; }
.cookie-banner .btn { padding: 8px 16px; font-size: 14px; }

/* === Адаптив === */
@media (max-width: 900px) {
  .products-grid, .about-grid, .cert-list { grid-template-columns: repeat(2, 1fr); }
  .contacts-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .products-grid, .about-grid, .cert-list { grid-template-columns: 1fr; }
  .nav { display: none; }
  .carousel-slide { padding: 40px 20px; }
  .carousel-slide h2 { font-size: 24px; }
}

/* === Админка === */
.admin-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.admin-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.admin-panel h3 { margin-bottom: 16px; color: var(--primary); }
.admin-item {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.admin-item-actions { display: flex; gap: 8px; }
.admin-item-actions button {
  padding: 4px 10px;
  font-size: 13px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}
.admin-item-actions button:hover { border-color: var(--primary); }
.admin-item-actions .delete:hover { border-color: var(--accent); color: var(--accent); }

.json-output {
  width: 100%;
  min-height: 200px;
  font-family: monospace;
  font-size: 12px;
  padding: 12px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  resize: vertical;
}
.admin-hint {
  background: var(--bg-alt);
  padding: 12px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-top: 12px;
  border-left: 3px solid var(--accent);
}