/**
 * ПБСМ.РФ — современные стили сайта
 */

/* --- Переменные --- */
:root {
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --color-bg: #f0f2f5;
  --color-bg-subtle: linear-gradient(160deg, #e8ecf0 0%, #f5f7fa 100%);
  --color-surface: #ffffff;
  --color-surface-alt: #f8f9fb;
  --color-border: #e2e6ea;
  --color-text: #1a1d21;
  --color-text-muted: #5c6370;
  --color-accent: #c45c26;
  --color-accent-hover: #a34a1e;
  --color-accent-light: rgba(196, 92, 38, 0.08);
  --color-header-bg: #2d3238;
  --color-header-text: #fff;
  --color-note: #b91c1c;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.1);
  --radius: 10px;
  --radius-sm: 6px;
  --space: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --gap: 1rem;
  --transition: 0.2s ease;
}

/* --- Сброс и база --- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  background-image: var(--color-bg-subtle);
  background-attachment: fixed;
  min-height: 100vh;
  padding-top: 1.25rem;
  padding-bottom: 2rem;
  margin: 0;
}

@media (max-width: 768px) {
  body { padding-top: 0.75rem; padding-bottom: 1rem; }
}

/* --- Сетка --- */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -15px;
  margin-right: -15px;
}

.row > [class*="col-"] { padding-left: 15px; padding-right: 15px; }

.col-xs-12, .col-sm-12, .col-md-12 { width: 100%; }
.col-sm-9, .col-sm-8, .col-sm-4, .col-sm-3 { width: 100%; }
.col-xs-6 { width: 50%; }
.col-md-9, .col-md-3 { width: 100%; }

@media (min-width: 768px) {
  .col-sm-9 { width: 75%; }
  .col-sm-8 { width: 66.666667%; }
  .col-sm-4 { width: 33.333333%; }
  .col-sm-3 { width: 25%; }
  .col-md-9 { width: 75%; }
  .col-md-3 { width: 25%; }
}

@media (min-width: 992px) {
  .col-md-9 { width: 75%; }
  .col-md-3 { width: 25%; }
}

/* --- Основной контейнер --- */
.page-wrap {
  background: var(--color-surface);
  margin: 0 auto;
  max-width: 1140px;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}

/* --- Шапка --- */
.site-header {
  background: var(--color-header-bg);
  padding: var(--space-lg) 0;
  color: var(--color-header-text);
}

.site-header .row { align-items: center; }

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-header-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: opacity var(--transition);
}

.site-logo:hover {
  color: var(--color-header-text);
  text-decoration: none;
  opacity: 0.9;
}

.header-phone {
  text-align: right;
  font-size: 1.1rem;
  font-weight: 600;
}

.header-phone a { color: inherit; text-decoration: none; }
.header-phone a:hover { text-decoration: underline; }

.header-phone .icon { filter: brightness(0) invert(1); }

@media (max-width: 768px) {
  .site-header { padding: var(--space) 0; }
  .header-phone { text-align: left; margin-top: 0.5rem; }
}

/* --- Навигация --- */
.nav-main {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 0 var(--space) var(--space);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-main li { margin: 0; }

.nav-main > li > a {
  display: inline-block;
  padding: 10px 16px;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-main > li > a:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.nav-main > li.active > a,
.nav-main > li.active > a:hover {
  background: var(--color-surface);
  color: var(--color-accent);
  box-shadow: 0 1px 0 0 var(--color-surface);
}

/* Кнопка «Меню» (бургер) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  margin: 0 0 var(--space);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-wrap.is-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-wrap.is-open .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-wrap.is-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  .nav-toggle { display: flex; }
  .nav-main {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: var(--space) 0;
    gap: 0;
    border-top: 1px solid var(--color-border);
    margin-top: -var(--space);
  }
  .nav-wrap.is-open .nav-main { display: flex; }
  .nav-main > li { width: 100%; }
  .nav-main > li > a {
    display: block;
    padding: 12px var(--space);
    border-radius: 0;
    margin: 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-main > li.active > a {
    margin-bottom: 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-alt);
  }
}

@media (min-width: 769px) {
  .nav-toggle { display: none !important; }
}

/* --- Контент --- */
.page-content {
  padding: var(--space-xl);
  min-height: 320px;
}

@media (max-width: 768px) {
  .page-content { padding: var(--space-lg); }
}

.page-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space);
  border-bottom: 2px solid var(--color-border);
  color: var(--color-text);
}

.content-block {
  padding: var(--space-lg) 0;
  line-height: 1.7;
}

.content-block p { margin-bottom: 1em; }
.content-block ul { padding-left: 1.35em; margin-bottom: 1em; }

.section-heading {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: var(--space-xl) 0 var(--space);
  color: var(--color-text);
}

/* Главная: карточки преимуществ */
.home-intro {
  font-size: 1.05rem;
  margin-bottom: var(--space-xl);
  color: var(--color-text-muted);
}

.home-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.home-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.home-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(196, 92, 38, 0.25);
}

.home-card__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 0.35em;
  color: var(--color-text);
}

.home-card p { margin: 0; font-size: 0.95rem; color: var(--color-text-muted); }

/* Каталог: список-карточки */
.catalog-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.catalog-list > li {
  margin-bottom: var(--space);
  padding: var(--space-lg);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.catalog-list > li:hover {
  border-color: rgba(196, 92, 38, 0.3);
  box-shadow: var(--shadow);
}

.catalog-list a {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.catalog-list a:hover { text-decoration: underline; }

.catalog-list li strong { display: block; margin-bottom: 0.25rem; }

/* Формы --- */
.form-group { margin-bottom: var(--space); }
.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-size: 1rem;
  font-family: var(--font-body);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  outline: 0;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

textarea.form-control { min-height: 120px; resize: vertical; }

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-heading);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  background: var(--color-surface-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn:hover { background: #e9ecef; }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

/* --- Таблицы --- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th,
.table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border: 1px solid var(--color-border);
}

.table-bordered th,
.table-bordered td { border: 1px solid var(--color-border); }

.table-striped tbody tr:nth-child(odd) { background: var(--color-surface-alt); }

.table-sklad th {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  font-family: var(--font-heading);
  font-weight: 600;
}

.table-sklad th:nth-child(1) { width: 22%; }
.table-sklad th:nth-child(2) { width: 12%; }
.table-sklad th:nth-child(3) { width: 10%; }
.table-sklad th:nth-child(5) { width: 18%; }

.table-responsive {
  margin: var(--space-lg) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --- Изображения --- */
.img-thumbnail {
  max-width: 100%;
  height: auto;
  padding: 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* --- Галерея товара --- */
.gallery-thumbs { margin-top: var(--space-lg); }

.gallery-thumbs .thumb {
  margin-bottom: var(--space);
  min-height: 140px;
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.gallery-thumbs .thumb a { display: block; }
.gallery-thumbs img {
  display: block;
  max-width: 100%;
  height: auto;
  min-height: 120px;
  object-fit: cover;
}

/* --- Склад --- */
.sklad-notice {
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.sklad-notice--price {
  color: var(--color-note);
  font-size: 1.05rem;
  font-weight: 600;
}

.sklad-notice p { margin: 0 0 0.5em; }
.sklad-notice p:last-child { margin-bottom: 0; }

/* --- Контакты --- */
.contact-info {
  font-size: 1.05rem;
  padding: var(--space-lg) 0;
  line-height: 1.8;
}

.contact-info .icon { vertical-align: middle; margin-right: 0.25rem; }

.contact-form-box {
  padding: var(--space-xl);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: var(--space-xl) 0;
}

.contact-form-box h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: var(--space);
}

#responseMessage { margin-top: var(--space); }

/* --- Алерты --- */
.alert {
  padding: var(--space);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.alert-success {
  background: #d1fae5;
  border-color: #a7f3d0;
  color: #065f46;
}

/* --- Иконки --- */
.icon {
  display: inline-block;
  width: 1.15em;
  height: 1.15em;
  vertical-align: -0.2em;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.icon-phone { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23212529' stroke-width='2'%3E%3Cpath d='M22 16.92v3a2 2 0 01-2.18 2 19.79 19.79 0 01-8.63-3.07 19.5 19.5 0 01-6-6 19.79 19.79 0 01-3.07-8.67A2 2 0 014.11 2h3a2 2 0 012 1.72 12.84 12.84 0 00.7 2.81 2 2 0 01-.45 2.11L8.09 9.91a16 16 0 006 6l1.27-1.27a2 2 0 012.11-.45 12.84 12.84 0 002.81.7A2 2 0 0122 16.92z'/%3E%3C/svg%3E"); }
.icon-envelope { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23212529' stroke-width='2'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3E%3Cpolyline points='22,6 12,13 2,6'/%3E%3C/svg%3E"); }
.icon-user { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23212529' stroke-width='2'%3E%3Cpath d='M20 21v-2a4 4 0 00-4-4H8a4 4 0 00-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E"); }
.icon-info { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23212529' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' y1='16' x2='12' y2='12'/%3E%3Cline x1='12' y1='8' x2='12.01' y2='8'/%3E%3C/svg%3E"); }

/* --- Подвал --- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  padding: var(--space-xl) var(--space-lg);
  min-height: 80px;
}

.site-footer .row { align-items: center; }

.footer-copy {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding-top: 0.5rem;
}

.footer-copy a { color: var(--color-accent); text-decoration: none; }
.footer-copy a:hover { text-decoration: underline; }

.share-label {
  margin-bottom: var(--space);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .site-footer .row { flex-direction: column; align-items: flex-start; gap: var(--space); }
}

/* --- Cookie-баннер --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--color-header-bg);
  color: #fff;
  padding: var(--space) var(--space-lg);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.cookie-banner__inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space);
  justify-content: space-between;
}

.cookie-banner__text {
  margin: 0;
  font-size: 0.9rem;
  flex: 1;
  min-width: 200px;
}

.cookie-banner__btn {
  flex-shrink: 0;
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.cookie-banner__btn:hover { background: var(--color-accent-hover); color: #fff; border-color: var(--color-accent-hover); }

.cookie-banner__link { color: #c9b8a8; text-decoration: underline; }
.cookie-banner__link:hover { color: #fff; }

/* --- Хлебные крошки --- */
.breadcrumbs {
  font-size: 0.875rem;
  margin-bottom: var(--space);
  color: var(--color-text-muted);
}

.breadcrumbs__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "›";
  margin-right: 0.35rem;
  color: var(--color-text-muted);
}

.breadcrumbs__link {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumbs__link:hover { text-decoration: underline; }

.breadcrumbs__current { color: var(--color-text); }

/* --- Утилиты --- */
.u-hide { display: none !important; }
.u-invisible { position: absolute; left: -9999px; }
.note-text { color: var(--color-note); font-weight: 600; }
.footnote { margin-top: var(--space); font-size: 0.9rem; color: var(--color-text-muted); }

/* Ссылки в контенте */
.page-content a { color: var(--color-accent); text-decoration: none; }
.page-content a:hover { text-decoration: underline; }

.text-muted { color: var(--color-text-muted); }