/* ============================================================
   ХимСпирт — стили сайта. Стиль: «Строгий бизнес» (чёрный/графит + золото)
   ============================================================ */

/* ---------- Variables ---------- */
:root {
  --color-bg: #ffffff;
  --color-dark: #1b1b1b;
  --color-dark-2: #262626;
  --color-graphite: #3a3a3a;
  --color-gold: #c9a227;
  --color-gold-light: #e0c368;
  --color-text: #222222;
  --color-text-muted: #6b6b6b;
  --color-border: #e6e3dc;
  --color-muted-bg: #f7f6f3;
  --radius: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.10);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-width: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
table { border-collapse: collapse; width: 100%; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 760px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: all .18s ease;
  white-space: nowrap;
}
.btn--large { padding: 15px 30px; font-size: 16px; }
.btn--small { padding: 7px 14px; font-size: 13px; }
.btn--full { width: 100%; }

.btn--gold { background: var(--color-gold); color: var(--color-dark); border-color: var(--color-gold); }
.btn--gold:hover { background: var(--color-gold-light); border-color: var(--color-gold-light); }

.btn--outline-dark { background: transparent; color: var(--color-dark); border-color: var(--color-dark); }
.btn--outline-dark:hover { background: var(--color-dark); color: #fff; }

.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn--outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

.btn--outline { background: transparent; color: var(--color-dark); border-color: var(--color-border); }
.btn--outline:hover { border-color: var(--color-dark); }

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

.btn--ghost { background: transparent; color: #fff; border-color: transparent; }
.btn--ghost:hover { color: var(--color-gold-light); }

/* ---------- Topbar / Header ---------- */
.topbar { background: var(--color-dark); color: #cfcfcf; font-size: 13px; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; padding: 8px 20px; gap: 12px; flex-wrap: wrap; }
.topbar__contacts { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topbar__phone { color: #fff; font-weight: 600; }
.topbar__phone:hover, .topbar__email:hover { color: var(--color-gold-light); }
.topbar__hours { color: #9c9c9c; }

.site-header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 20px; }

.logo { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: var(--color-dark); }
.logo__accent { color: var(--color-gold); }
.logo--footer { color: #fff; font-size: 24px; margin-bottom: 10px; }

.main-nav { display: flex; align-items: center; gap: 20px; flex-wrap: nowrap; }
.main-nav a { font-size: 14px; font-weight: 600; color: var(--color-text); white-space: nowrap; }
.main-nav a:hover { color: var(--color-gold); }

/* Выпадающее меню (Каталог, О компании) */
.main-nav__item { position: relative; }
.main-nav__item::after {
  /* Невидимый "мостик" над зазором между кнопкой и списком —
     без него курсор при движении вниз пересекает пустое пространство
     (margin-top у .main-nav__dropdown) и наведение на пункт меню слетает. */
  content: '';
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  height: 14px;
}
.main-nav__trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  padding: 6px 0;
  cursor: pointer;
}
.main-nav__trigger:hover, .main-nav__item.is-open .main-nav__trigger { color: var(--color-gold); }
.main-nav__caret { width: 9px; height: 9px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(45deg); margin-top: -3px; transition: transform .15s ease; }
.main-nav__item.is-open .main-nav__caret { transform: rotate(-135deg); margin-top: 3px; }

.main-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 12px;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  padding: 8px;
  display: none;
  z-index: 60;
}
.main-nav__item.is-open .main-nav__dropdown { display: block; }
.main-nav__dropdown a {
  display: block;
  padding: 9px 12px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}
.main-nav__dropdown a:hover { background: var(--color-muted-bg); color: var(--color-gold); }
.main-nav__dropdown-divider { height: 1px; background: var(--color-border); margin: 6px 4px; }

@media (min-width: 900px) {
  .main-nav__item:hover .main-nav__dropdown { display: block; }
}

.mobile-nav-toggle { display: none; flex-direction: column; gap: 5px; background: transparent; border: none; padding: 6px; }
.mobile-nav-toggle span { width: 24px; height: 2px; background: var(--color-dark); display: block; }

.mobile-nav {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 10px 20px 16px;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a { padding: 10px 0; font-weight: 600; border-bottom: 1px solid var(--color-border); }
.mobile-nav__phone { color: var(--color-gold); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { padding: 14px 0; font-size: 13px; color: var(--color-text-muted); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumbs li { display: flex; align-items: center; gap: 6px; }
.breadcrumbs li:not(:last-child)::after { content: '/'; color: #c7c3ba; margin-left: 6px; }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-gold); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-graphite) 100%); color: #fff; padding: 70px 0; overflow: hidden; }
.hero__inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.hero__content { max-width: 620px; }
.hero__title { font-size: 42px; line-height: 1.15; margin-bottom: 20px; }
.hero__subtitle { font-size: 17px; color: #d6d6d6; margin-bottom: 28px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero__badges { display: flex; gap: 10px; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  font-size: 12.5px;
  color: #e6e6e6;
}
.hero__visual { position: relative; width: 100%; max-width: 420px; height: 320px; flex-shrink: 0; display: none; }
.hero__photo {
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.hero__canister { position: absolute; border-radius: 14px; background: linear-gradient(160deg, var(--color-gold) 0%, var(--color-gold-light) 100%); opacity: 0.9; }
.hero__canister--1 { width: 140px; height: 190px; right: 60px; top: 30px; transform: rotate(-6deg); }
.hero__canister--2 { width: 110px; height: 150px; right: 0; bottom: 10px; background: linear-gradient(160deg, #4a4a4a 0%, #6b6b6b 100%); transform: rotate(8deg); }

@media (min-width: 900px) { .hero__visual { display: block; } }

/* ---------- Sections ---------- */
.section { padding: 60px 0; }
.section--muted { background: var(--color-muted-bg); }
.section-title { font-size: 28px; text-align: center; margin-bottom: 32px; }
.section-title--left { text-align: left; margin-bottom: 16px; }
.page-title { font-size: 32px; margin-bottom: 14px; }
.page-lead { font-size: 16px; color: var(--color-text-muted); max-width: 720px; margin-bottom: 32px; }

/* ---------- Category grid ---------- */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.category-card {
  display: block;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.category-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-gold); transform: translateY(-2px); }
.category-card__title { font-size: 19px; margin-bottom: 8px; }
.category-card__desc { color: var(--color-text-muted); font-size: 14px; margin-bottom: 14px; }
.category-card__link { color: var(--color-gold); font-weight: 700; font-size: 14px; }

.pill-nav { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.pill-nav__item {
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text);
}
.pill-nav__item:hover { border-color: var(--color-gold); color: var(--color-gold); }

/* ---------- Product grid / card ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-bottom: 20px; }

.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
}
.product-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-gold); transform: translateY(-2px); }
.product-card__link { display: block; flex: 1; }
.product-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-dark);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  z-index: 2;
}
.product-card__thumb {
  height: 200px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--color-muted-bg) 0%, #eceae3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  overflow: hidden;
}
.product-card__thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.product-card__thumb-label { font-weight: 800; font-size: 22px; color: var(--color-gold); }
.product-card__name { font-size: 16px; margin-bottom: 6px; }
.product-card__meta { font-size: 12.5px; color: var(--color-text-muted); margin-bottom: 8px; }
.product-card__desc { font-size: 13.5px; color: var(--color-text-muted); margin-bottom: 12px; }
.product-card__price { font-size: 20px; font-weight: 800; color: var(--color-dark); margin-bottom: 14px; }

.product-card__actions { display: flex; flex-direction: column; gap: 8px; }
.product-card__cart-btn, .product-card__stock-btn { width: 100%; }
.product-card__cart-btn.is-added { background: #2c6b28; border-color: #2c6b28; color: #fff; }

/* ---------- Catalog section (home + catalog page) ---------- */
.catalog-section { margin-bottom: 46px; }
.catalog-section__header { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 6px; }
.catalog-section__link { font-size: 14px; font-weight: 700; color: var(--color-gold); }

/* ---------- Wholesale block ---------- */
.wholesale-block {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  background: var(--color-dark);
  color: #fff;
  border-radius: 10px;
  padding: 40px;
}
.wholesale-block__text p { color: #d3d3d3; margin-bottom: 20px; }
.wholesale-block__list li {
  padding: 10px 0 10px 26px;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 14.5px;
}
.wholesale-block__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-gold);
}

@media (max-width: 800px) {
  .wholesale-block { grid-template-columns: 1fr; padding: 26px; }
}

/* ---------- Tasks grid ---------- */
.tasks-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.tasks-grid__item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 18px;
  text-align: center;
  transition: box-shadow .18s ease, border-color .18s ease;
}
.tasks-grid__item:hover { border-color: var(--color-gold); box-shadow: var(--shadow-sm); }
.tasks-grid__icon { font-size: 26px; margin-bottom: 10px; }
.tasks-grid__title { font-weight: 700; font-size: 14.5px; color: var(--color-dark); margin-bottom: 4px; }
.tasks-grid__desc { font-size: 12.5px; color: var(--color-text-muted); margin: 0; }

/* ---------- Advantages ---------- */
.advantages { margin: 10px 0; }
.advantages__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.advantages__item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
}
.advantages__item:hover { border-color: var(--color-gold); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.advantages__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--color-muted-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.advantages__title { font-size: 15.5px; margin-bottom: 8px; }
.advantages__text { font-size: 13.5px; color: var(--color-text-muted); margin: 0; }

/* ---------- Steps block ---------- */
.steps-block { margin: 10px 0; }
.steps-block__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; position: relative; }
.steps-block__item { text-align: left; }
.steps-block__num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-dark);
  color: var(--color-gold);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.steps-block__title { font-size: 15.5px; margin-bottom: 6px; }
.steps-block__text { font-size: 13.5px; color: var(--color-text-muted); margin: 0; }

/* ---------- Compare table ---------- */
.compare-block { margin: 10px 0 40px; }
.compare-block__scroll { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); }
.compare-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 480px; }
.compare-table th, .compare-table td { padding: 12px 16px; border-bottom: 1px solid var(--color-border); text-align: left; }
.compare-table thead th { background: var(--color-muted-bg); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--color-text-muted); }
.compare-table tbody th { font-weight: 700; color: var(--color-dark); background: var(--color-muted-bg); white-space: nowrap; }
.compare-table tbody tr:last-child td, .compare-table tbody tr:last-child th { border-bottom: none; }

/* ---------- Info blocks (delivery/payment/wholesale/documents pages) ---------- */
.info-table-wrap { overflow-x: auto; margin: 24px 0; border: 1px solid var(--color-border); border-radius: var(--radius); }
.info-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.info-table th, .info-table td { padding: 13px 16px; border-bottom: 1px solid var(--color-border); text-align: left; }
.info-table thead th { background: var(--color-muted-bg); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--color-text-muted); }
.info-table tbody tr:last-child td { border-bottom: none; }

.icon-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 20px 0 30px; }
.icon-list__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
}
.icon-list__icon { font-size: 22px; flex-shrink: 0; }
.icon-list__title { font-size: 14.5px; font-weight: 700; margin-bottom: 4px; }
.icon-list__text { font-size: 13px; color: var(--color-text-muted); margin: 0; }

.subsection-title { font-size: 22px; margin: 40px 0 16px; }
.subsection-title:first-of-type { margin-top: 10px; }

/* ---------- Stats strip (delivery/payment/pickup pages) ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 24px 0 8px;
}
.stats-strip__item {
  background: #fff;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stats-strip__value { font-size: 19px; font-weight: 800; color: var(--color-dark); }
.stats-strip__label { font-size: 12px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .02em; }

.quick-links { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.quick-links__item {
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  background: #fff;
}
.quick-links__item:hover { border-color: var(--color-gold); color: var(--color-gold); }

/* ---------- FAQ ---------- */
.faq { margin-top: 10px; }
.faq__list { display: flex; flex-direction: column; gap: 10px; max-width: 820px; margin: 0 auto; }
.faq__item { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 4px 18px; background: #fff; }
.faq__question { cursor: pointer; padding: 14px 0; font-weight: 700; font-size: 15px; list-style: none; }
.faq__question::-webkit-details-marker { display: none; }
.faq__question::before { content: '+'; display: inline-block; width: 18px; color: var(--color-gold); font-weight: 800; }
.faq__item[open] .faq__question::before { content: '−'; }
.faq__answer { padding: 0 0 16px 18px; color: var(--color-text-muted); font-size: 14.5px; }

/* ---------- CTA block ---------- */
.cta-block { background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-graphite) 100%); color: #fff; padding: 50px 0; }
.cta-block__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-block__title { font-size: 24px; margin-bottom: 8px; }
.cta-block__text { color: #cfcfcf; max-width: 460px; margin: 0; }
.cta-block__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Product page ---------- */
.product-page__grid { display: grid; grid-template-columns: 320px 1fr; gap: 40px; margin-bottom: 40px; }
.product-page__media { display: flex; align-items: flex-start; justify-content: center; }
.product-page__canister {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1 / 1.15;
  border-radius: 16px;
  background: linear-gradient(160deg, var(--color-muted-bg) 0%, #eceae3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-page__canister span { font-size: 34px; font-weight: 800; color: var(--color-gold); }
.product-page__photo {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--color-border);
}
.product-page__price { font-size: 30px; font-weight: 800; margin: 14px 0 18px; }
.product-page__price-note { font-size: 13px; color: var(--color-text-muted); font-weight: 500; display: block; }
.product-page__subtitle { font-size: 18px; margin-top: 26px; }
.product-page__actions { margin-top: 26px; }

.spec-table { margin: 18px 0 22px; font-size: 14.5px; }
.spec-table th { text-align: left; color: var(--color-text-muted); font-weight: 600; padding: 8px 16px 8px 0; width: 40%; border-bottom: 1px solid var(--color-border); }
.spec-table td { padding: 8px 0; border-bottom: 1px solid var(--color-border); font-weight: 600; }

.notice { padding: 12px 16px; border-radius: var(--radius); font-size: 14px; margin-bottom: 16px; }
.notice--warning { background: #fdf3e0; border: 1px solid #eccf8f; color: #7a5a10; }

@media (max-width: 800px) {
  .product-page__grid { grid-template-columns: 1fr; }
}

/* ---------- SEO text / prose ---------- */
.seo-text { max-width: 820px; margin: 10px 0 40px; color: var(--color-text-muted); font-size: 14.5px; }
.prose p { color: var(--color-text); font-size: 15.5px; }

/* ---------- Contacts page ---------- */
/* ---------- Contacts page: numbered sections ---------- */
.contacts-hero .page-lead { margin-bottom: 0; }
.section-label {
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
}
.section-heading { font-size: 26px; margin-bottom: 22px; }

/* Channel cards (phone / email / telegram) */
.channel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.channel-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
}
.channel-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-gold); transform: translateY(-2px); }
.channel-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 10px;
}
.channel-card__icon--phone { background: #e4f0e4; }
.channel-card__icon--email { background: #fbe9d2; }
.channel-card__icon--telegram { background: #dcecfb; }
.channel-card__label { font-size: 11.5px; font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .04em; }
.channel-card__value { font-size: 16.5px; font-weight: 800; color: var(--color-dark); }
.channel-card__note { font-size: 12.5px; color: var(--color-text-muted); }

/* Office + map */
.office-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
.office-details { display: flex; flex-direction: column; gap: 16px; }
.office-details__row dt { font-size: 11.5px; font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.office-details__row dd { margin: 0; font-size: 15px; font-weight: 600; color: var(--color-dark); line-height: 1.5; }
.office-details__row dd a { color: var(--color-gold); font-weight: 700; }
.office-details__row dd a:hover { text-decoration: underline; }

.map-frame { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; background: #fff; }
.map-frame iframe { display: block; width: 100%; border: none; }
.map-frame__footer { padding: 10px 14px; border-top: 1px solid var(--color-border); font-size: 13px; }
.map-frame__footer a { color: var(--color-gold); font-weight: 700; }
.map-frame__footer a:hover { text-decoration: underline; }
.map-disclaimer { font-size: 12.5px; color: var(--color-text-muted); margin-top: 16px; margin-bottom: 0; }

@media (max-width: 760px) {
  .office-grid { grid-template-columns: 1fr; }
}

/* Documents request button (opens contact modal, no forms) */
.docs-request-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: 460px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  cursor: pointer;
  margin-top: 6px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.docs-request-btn:hover { border-color: var(--color-gold); box-shadow: var(--shadow-sm); }
.docs-request-btn__arrow { color: var(--color-gold); font-weight: 800; }

.contacts-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; margin-top: 10px; }
.contacts-card__row { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--color-border); }
.contacts-card__row:last-child { border-bottom: none; }
.contacts-card__row dt { color: var(--color-text-muted); font-size: 14px; }
.contacts-card__row dd { margin: 0; font-weight: 700; text-align: right; }
.contacts-card__row a:hover { color: var(--color-gold); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-dark); color: #d0d0d0; padding-top: 50px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; gap: 30px; padding-bottom: 40px; }
.footer__tagline { color: #9c9c9c; font-size: 14px; }
.footer__title { color: #fff; font-size: 14.5px; margin-bottom: 14px; text-transform: uppercase; letter-spacing: .04em; }
.footer__list li { margin-bottom: 9px; font-size: 14px; }
.footer__list a:hover { color: var(--color-gold-light); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; }
.footer__bottom-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 12.5px; color: #8f8f8f; }
.footer__disclaimer { max-width: 640px; }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* ---------- Cart toggle (header icon) ---------- */
.cart-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-dark);
  flex-shrink: 0;
  margin-left: 4px;
}
.cart-toggle:hover { border-color: var(--color-gold); color: var(--color-gold); }
.cart-toggle__icon { width: 20px; height: 20px; }
.cart-toggle__count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 100px;
  background: var(--color-gold);
  color: var(--color-dark);
  font-size: 10.5px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ---------- Cart drawer ---------- */
.cart-drawer { position: fixed; inset: 0; z-index: 110; display: none; }
.cart-drawer.is-open { display: block; }
.cart-drawer__overlay { position: absolute; inset: 0; background: rgba(20,20,20,0.55); }
.cart-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 100%;
  max-width: 420px;
  background: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: -12px 0 40px rgba(0,0,0,0.2);
  transform: translateX(100%);
  transition: transform .25s ease;
}
.cart-drawer.is-open .cart-drawer__panel { transform: translateX(0); }

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.cart-drawer__title { font-size: 19px; margin: 0; }
.cart-drawer__close { background: transparent; border: none; font-size: 24px; line-height: 1; color: var(--color-text-muted); }
.cart-drawer__close:hover { color: var(--color-dark); }

.cart-drawer__body { flex: 1; overflow-y: auto; padding: 16px 22px; }
.cart-drawer__empty { padding: 30px 0; text-align: center; color: var(--color-text-muted); }
.cart-drawer__empty-hint { font-size: 13px; }

.cart-drawer__list { display: flex; flex-direction: column; gap: 14px; }

.cart-item { display: flex; flex-direction: column; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--color-border); }
.cart-item:last-child { border-bottom: none; padding-bottom: 0; }
.cart-item__name { font-size: 14px; font-weight: 700; line-height: 1.35; }
.cart-item__volume { color: var(--color-text-muted); font-weight: 500; }
.cart-item__price { font-size: 12.5px; color: var(--color-text-muted); margin-top: 3px; }
.cart-item__controls { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.cart-item__qty { display: flex; align-items: center; gap: 8px; border: 1px solid var(--color-border); border-radius: 100px; padding: 3px 4px; }
.cart-item__qty-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: var(--color-muted-bg);
  color: var(--color-dark);
  font-size: 15px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item__qty-btn:hover { background: var(--color-gold); color: #fff; }
.cart-item__qty-value { min-width: 18px; text-align: center; font-size: 13.5px; font-weight: 700; }
.cart-item__total { font-size: 14.5px; font-weight: 800; margin-left: auto; }
.cart-item__remove { background: transparent; border: none; color: var(--color-text-muted); font-size: 20px; line-height: 1; padding: 0 2px; }
.cart-item__remove:hover { color: #b23b3b; }

.cart-drawer__footer { flex-shrink: 0; padding: 18px 22px 22px; border-top: 1px solid var(--color-border); }
.cart-drawer__total { display: flex; align-items: baseline; justify-content: space-between; font-size: 16px; margin-bottom: 8px; }
.cart-drawer__total strong { font-size: 22px; }
.cart-drawer__note { font-size: 12px; color: var(--color-text-muted); margin-bottom: 16px; }
.cart-drawer__actions { display: flex; flex-direction: column; gap: 10px; }
.cart-drawer__clear { background: transparent; border: none; color: var(--color-text-muted); font-size: 12.5px; text-decoration: underline; margin-top: 4px; align-self: center; }
.cart-drawer__clear:hover { color: #b23b3b; }

/* ---------- Calculator block ---------- */
.calculator {
  background: var(--color-muted-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 32px;
  margin: 40px 0;
}
.calculator__inner { max-width: 780px; margin: 0 auto; }
.calculator__head { text-align: center; margin-bottom: 22px; }
.calculator__title { font-size: 22px; margin-bottom: 6px; }
.calculator__subtitle { font-size: 13.5px; color: var(--color-text-muted); margin: 0; }

.calculator__form {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 14px;
  align-items: end;
  margin-bottom: 20px;
}
.calculator__field { display: flex; flex-direction: column; gap: 6px; }
.calculator__field label { font-size: 12.5px; font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .02em; }
.calculator__select {
  width: 100%;
  padding: 11px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 14px;
  font-family: var(--font-main);
}
.calculator__qty-control { display: flex; align-items: center; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; overflow: hidden; }
.calculator__qty-btn { width: 40px; height: 42px; border: none; background: var(--color-muted-bg); font-size: 18px; color: var(--color-dark); flex-shrink: 0; }
.calculator__qty-btn:hover { background: var(--color-gold); color: #fff; }
.calculator__qty-input {
  width: 100%;
  border: none;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  padding: 11px 4px;
  -moz-appearance: textfield;
}
.calculator__qty-input::-webkit-outer-spin-button,
.calculator__qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.calculator__field--total { align-items: flex-start; }
.calculator__total-label { font-size: 12.5px; font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .02em; }
.calculator__total-value { font-size: 24px; font-weight: 800; color: var(--color-dark); }

.calculator__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.calculator__disclaimer { text-align: center; font-size: 12px; color: var(--color-text-muted); margin: 0; }

@media (max-width: 700px) {
  .calculator { padding: 22px 18px; }
  .calculator__form { grid-template-columns: 1fr; }
  .calculator__field--total { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.is-open { display: flex; }
.modal__overlay { position: absolute; inset: 0; background: rgba(20,20,20,0.6); }
.modal__dialog {
  position: relative;
  background: #fff;
  border-radius: 10px;
  max-width: 420px;
  width: 100%;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal__close { position: absolute; top: 14px; right: 14px; background: transparent; border: none; font-size: 22px; line-height: 1; color: var(--color-text-muted); }
.modal__close:hover { color: var(--color-dark); }
.modal__title { font-size: 20px; margin-bottom: 12px; }
.modal__text { color: var(--color-text-muted); font-size: 14px; }
.modal__actions { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.modal__hours { font-size: 13px; color: var(--color-text-muted); margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .mobile-nav-toggle { display: flex; }
  .hero__title { font-size: 32px; }
  .hero__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .hero { padding: 46px 0; }
  .hero__title { font-size: 26px; }
  .section { padding: 42px 0; }
  .cta-block__inner { flex-direction: column; align-items: flex-start; }
  .topbar__inner { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---------- NEW SEO BLOCKS ---------- */

/* Applications block */
.applications { margin: 50px 0; }
.applications__grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
  gap: 20px; 
  margin-top: 30px; 
}
.applications__card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.2s ease;
}
.applications__card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.applications__icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}
.applications__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}
.applications__text {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin: 0;
}

/* Comparison table */
.comparison { margin: 50px 0; }
.comparison__intro {
  max-width: 720px;
  margin: 0 auto 30px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 15px;
}
.comparison__table {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.comparison__table thead {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-graphite) 100%);
  color: #fff;
}
.comparison__table th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 700;
  font-size: 15px;
}
.comparison__table th:first-child {
  width: 35%;
}
.comparison__table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14.5px;
}
.comparison__table tbody tr:last-child td {
  border-bottom: none;
}
.comparison__table tbody tr:hover {
  background: #fafafa;
}
.comparison__highlight {
  color: var(--color-gold);
  font-weight: 700;
}

/* Volume guide */
.volume-guide { margin: 50px 0; }
.volume-guide__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 30px;
}
.volume-guide__card {
  background: linear-gradient(135deg, #fafaf9 0%, #f5f5f4 100%);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  transition: all 0.2s ease;
}
.volume-guide__card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.volume-guide__volume {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-gold);
  margin-bottom: 12px;
  display: block;
}
.volume-guide__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
  display: block;
}
.volume-guide__text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin: 0;
}

/* Reviews block */
.reviews { margin: 50px 0; }
.reviews__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 30px;
}
.reviews__card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  position: relative;
}
.reviews__stars {
  color: #f59e0b;
  font-size: 16px;
  margin-bottom: 14px;
  display: block;
}
.reviews__text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 16px;
  font-style: italic;
}
.reviews__author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.reviews__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold) 0%, #d4a74e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.reviews__name {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-dark);
  display: block;
}
.reviews__meta {
  font-size: 13px;
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

/* Instructions block */
.instructions { margin: 50px 0; }
.instructions__list {
  max-width: 820px;
  margin: 30px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.instructions__item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
}
.instructions__header {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 15.5px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s ease;
}
.instructions__header::-webkit-details-marker {
  display: none;
}
.instructions__header:hover {
  background: #fafafa;
}
.instructions__icon {
  font-size: 18px;
  margin-right: 12px;
}
.instructions__toggle {
  color: var(--color-gold);
  font-weight: 800;
  font-size: 20px;
  transition: transform 0.2s ease;
}
.instructions__item[open] .instructions__toggle {
  transform: rotate(45deg);
}
.instructions__content {
  padding: 0 20px 20px 52px;
  color: var(--color-text);
  font-size: 14.5px;
  line-height: 1.6;
}
.instructions__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}
.instructions__step {
  padding: 10px 0 10px 36px;
  position: relative;
  counter-increment: step;
}
.instructions__step:before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 24px;
  height: 24px;
  background: var(--color-gold);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.instructions__warning {
  background: #fef3c7;
  border-left: 3px solid #f59e0b;
  padding: 12px 16px;
  margin-top: 16px;
  border-radius: 4px;
  font-size: 13.5px;
  color: #92400e;
}
.instructions__warning strong {
  display: block;
  margin-bottom: 4px;
  color: #78350f;
}

/* Documents block */
.documents { margin: 50px 0; }
.documents__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.documents__card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
}
.documents__card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.documents__icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}
.documents__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}
.documents__desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.4;
}
.documents__note {
  max-width: 640px;
  margin: 24px auto 0;
  padding: 16px 20px;
  background: #f0f9ff;
  border-left: 3px solid #0ea5e9;
  border-radius: 6px;
  font-size: 14px;
  color: #075985;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .applications__grid,
  .volume-guide__grid,
  .reviews__grid,
  .documents__grid {
    grid-template-columns: 1fr;
  }
  
  .comparison__table {
    font-size: 13px;
  }
  
  .comparison__table th,
  .comparison__table td {
    padding: 12px 14px;
  }
  
  .instructions__content {
    padding-left: 20px;
  }
  
  .instructions__step {
    padding-left: 32px;
  }
}

/* Volume Guides Component */
.volume-guides {
  margin: 48px 0;
}
.volume-guides__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 24px;
  text-align: center;
}
.volume-guides__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.volume-guide {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: all 0.2s ease;
}
.volume-guide:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.1);
  transform: translateY(-2px);
}
.volume-guide__icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.volume-guide__volume {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.volume-guide__use {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}
.volume-guide__desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .volume-guides__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Concentrations Section
   ============================================ */
.concentrations {
  margin: 4rem 0;
}

.concentrations__intro {
  text-align: center;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: #64748B;
  max-width: 48rem;
  margin: 1.5rem auto 3rem;
}

.concentrations__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.concentrations__card {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.concentrations__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #38BDF8 0%, #22D3EE 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.concentrations__card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.concentrations__card:hover::before {
  opacity: 1;
}

.concentrations__concentration {
  font-size: 1.375rem;
  font-weight: 600;
  color: #38BDF8;
  margin: 0 0 1rem 0;
  line-height: 1.3;
}

.concentrations__description {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #CBD5E1;
  margin: 0;
}

@media (max-width: 768px) {
  .concentrations {
    margin: 3rem 0;
  }

  .concentrations__intro {
    font-size: 1rem;
    margin: 1rem auto 2rem;
  }

  .concentrations__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .concentrations__card {
    padding: 1.5rem;
  }

  .concentrations__concentration {
    font-size: 1.25rem;
  }

  .concentrations__description {
    font-size: 0.875rem;
  }
}