/* ==========================================================================
   Page-specific styles: About, Product, Blog, Contacts, Legal, Catalog
   ========================================================================== */

/* ==========================================================================
   About
   ========================================================================== */
.about-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-hero h2 { font-size: clamp(1.5rem, 2.5vw, 2.125rem); margin-bottom: 1.25rem; }
.about-hero p { font-size: 1rem; line-height: 1.7; }
.about-hero .btn { margin-top: 1rem; }

.about-hero__image {
  position: relative;
  width: 100%;
  padding-top: 100%; /* 1:1 — новое квадратное изображение */
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  height: 0;
  align-self: start;
}
.about-hero__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.about-hero__badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 860px) {
  .about-hero { grid-template-columns: 1fr; gap: 2rem; }
}

/* ==========================================================================
   Product detail page
   ========================================================================== */
.product {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: flex-start;
}

.product__gallery {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}
.product__gallery img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 3rem;
}

.product__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  padding: 0.375rem 0.875rem;
  background: var(--color-primary-50);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.product__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1.25rem;
}

.product__desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.product__applications {
  padding: 1.5rem;
  background: var(--color-primary-50);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary);
  margin-bottom: 2rem;
}
.product__applications h4 {
  margin: 0 0 0.5rem;
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.product__applications p {
  margin: 0;
  color: var(--color-text);
  line-height: 1.6;
  font-size: 0.95rem;
}

.product h3 {
  font-size: 1.25rem;
  margin: 2rem 0 1rem;
  color: var(--color-text);
}

.product__advantages {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}
.product__advantages li {
  position: relative;
  padding: 0.75rem 0 0.75rem 2rem;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.55;
  border-bottom: 1px solid var(--color-border-soft);
}
.product__advantages li:last-child { border-bottom: none; }
.product__advantages li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 20px; height: 20px;
  background: var(--color-primary-50);
  border-radius: 50%;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-primary) 50%);
}
.product__advantages li::after {
  content: '';
  position: absolute;
  left: 5px; top: 1.35rem;
  width: 10px; height: 5px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

.product__specs {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 2rem;
  font-size: 0.925rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.product__specs th,
.product__specs td {
  padding: 0.875rem 1.25rem;
  text-align: left;
}
.product__specs tr { border-bottom: 1px solid var(--color-border); }
.product__specs tr:last-child { border-bottom: none; }
.product__specs th {
  color: var(--color-text-muted);
  font-weight: 500;
  background: var(--color-bg-soft);
  width: 42%;
}
.product__specs td { color: var(--color-text); font-weight: 600; background: #fff; }

.product__cta-row {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

@media (max-width: 860px) {
  .product { grid-template-columns: 1fr; gap: 2rem; }
  .product__gallery { position: static; aspect-ratio: 4 / 3; }
  .product__gallery img { padding: 2rem; }
}

/* ==========================================================================
   Catalog
   ========================================================================== */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: flex-start;
}
.catalog-filters {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.catalog-filters h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.catalog-filters__group { margin-bottom: 1.5rem; }
.catalog-filters__group-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.catalog-filters__list { display: flex; flex-direction: column; gap: 0.5rem; }
.catalog-filters__list .checkbox { font-size: 0.875rem; color: var(--color-text); }

.catalog-toolbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.catalog-toolbar__count { font-size: 0.925rem; color: var(--color-text-muted); font-weight: 500; }
.catalog-toolbar__count span { font-weight: 700; color: var(--color-text); }
.catalog-search {
  flex: 1;
  min-width: 200px;
  max-width: 360px;
  padding: 0.625rem 1rem;
  font-size: 0.925rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.catalog-search:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.catalog-empty {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--color-text-muted);
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-filters { position: static; }
}

/* ==========================================================================
   Advantages — сравнительная таблица
   ========================================================================== */
.compare-table__wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 3rem;
  background: #fff;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 760px;
}
.compare-table th,
.compare-table td {
  padding: 1.1rem 1.25rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}
.compare-table th {
  background: var(--color-bg-soft);
  font-weight: 700;
  color: var(--color-text);
  font-size: 0.85rem;
}
.compare-table th.is-us {
  background: var(--gradient-primary);
  color: #fff;
  position: relative;
}
.compare-table td.is-us {
  background: var(--color-primary-50);
  font-weight: 600;
  color: var(--color-primary-dark);
  border-left: 2px solid var(--color-primary-light);
  border-right: 2px solid var(--color-primary-light);
}
.compare-table tr.is-verdict td { font-weight: 700; background: var(--color-bg-muted); }
.compare-table tr.is-verdict td.is-us { background: var(--gradient-primary); color: #fff; border-color: var(--color-primary-dark); }

.adv-summary {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.adv-summary p { font-size: 1rem; color: var(--color-text); line-height: 1.7; margin-bottom: 1.5rem; }
.adv-summary .btn { margin-top: 0.5rem; }

/* ==========================================================================
   Logistics — этапы
   ========================================================================== */
.stages { max-width: 920px; margin: 0 auto; }
.stage {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: flex-start;
  padding-bottom: 2.5rem;
  position: relative;
}
.stage:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 40px;
  top: 80px;
  width: 2px;
  height: calc(100% - 80px);
  background: linear-gradient(180deg, var(--color-primary-light), transparent);
  opacity: 0.4;
}

.stage__num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
  position: relative;
  z-index: 1;
}

.stage__body h3 { font-size: 1.375rem; margin-bottom: 0.75rem; }
.stage__body p { font-size: 1rem; color: var(--color-text-muted); line-height: 1.7; }
.stage__body ul { margin: 1rem 0 0; padding-left: 0; list-style: none; }
.stage__body li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.75rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}
.stage__body li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.85rem;
  width: 18px; height: 6px;
  border-left: 2px solid var(--color-accent);
}

@media (max-width: 560px) {
  .stage { grid-template-columns: 60px 1fr; gap: 1.25rem; }
  .stage__num { width: 60px; height: 60px; font-size: 1.3rem; }
  .stage:not(:last-child)::after { left: 30px; top: 60px; }
}

/* ==========================================================================
   Documents list
   ========================================================================== */
.docs-list { display: flex; flex-direction: column; gap: 0.75rem; }
.docs-list__item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.125rem 1.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}
.docs-list__item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.docs-list__badge {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--gradient-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-accent);
}
.docs-list__name {
  flex: 1;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  font-size: 0.95rem;
}
.docs-list__meta {
  display: block;
  font-size: 0.825rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}
.docs-list__size {
  font-size: 0.8rem;
  color: var(--color-text-light);
  white-space: nowrap;
  font-weight: 500;
}

/* ==========================================================================
   Blog post
   ========================================================================== */
.blog-post { max-width: 780px; margin: 0 auto; }

.blog-post__hero {
  aspect-ratio: 16 / 8;
  background: var(--gradient-primary-soft);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid var(--color-border);
}
.blog-post__hero img,
.blog-post__hero svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-post__meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}
.blog-post__meta .tag {
  padding: 0.3rem 0.75rem;
  background: var(--color-primary-50);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.blog-post__meta > span:not(.tag) {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.blog-post h1 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: 1.5rem; }
.blog-post h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; color: var(--color-text); }
.blog-post h3 { font-size: 1.2rem; margin: 1.75rem 0 0.75rem; }
.blog-post p { font-size: 1.05rem; color: var(--color-text); line-height: 1.75; margin-bottom: 1em; }
.blog-post ul { margin: 1em 0; }
.blog-post li { margin-bottom: 0.5em; font-size: 1rem; line-height: 1.7; color: var(--color-text); }

.blog-post__footer {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.blog-post__footer h3 { font-size: 1.2rem; margin-bottom: 1rem; }
.blog-post__footer .btn { margin-right: 0.5rem; margin-bottom: 0.5rem; }

/* ==========================================================================
   Contacts
   ========================================================================== */
.contacts-hero {
  background: var(--gradient-hero);
  color: #fff;
  padding: 4.5rem 0 3rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.contacts-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 0.6;
  pointer-events: none;
}
.contacts-hero > .container { position: relative; z-index: 1; }
.contacts-hero h1 {
  color: #fff;
  max-width: 760px;
  margin: 0 auto 1rem;
}
.contacts-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto;
}
.contacts-hero .eyebrow { margin-bottom: 1.5rem; }

.contacts-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: flex-start;
  margin-top: 3rem;
}

.contacts-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary-soft);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-100);
}
.contact-card:hover::before { opacity: 1; }
.contact-card > * { position: relative; z-index: 1; }

.contact-card--accent::before { background: linear-gradient(135deg, var(--color-accent-50) 0%, var(--color-accent-100) 100%); }
.contact-card--accent .contact-card__icon { background: var(--color-accent-50); color: var(--color-accent); }
.contact-card--accent:hover { border-color: var(--color-accent-100); }

.contact-card__icon {
  width: 44px; height: 44px;
  background: var(--gradient-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: all var(--transition);
}
.contact-card__icon svg { width: 20px; height: 20px; stroke-width: 2; }
.contact-card:hover .contact-card__icon { transform: scale(1.08); }

.contact-card__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}
.contact-card__value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.3rem;
  line-height: 1.3;
}
.contact-card__sub {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: auto;
}

.contacts-schedule {
  padding: 1.75rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.contacts-schedule__grid { display: grid; gap: 0.5rem; margin-top: 1rem; }
.contacts-schedule__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  font-size: 0.9rem;
}
.contacts-schedule__row .label { color: var(--color-text); font-weight: 500; }
.contacts-schedule__row .value { color: var(--color-primary); font-weight: 600; font-variant-numeric: tabular-nums; }
.contacts-schedule__row.is-off { opacity: 0.55; }
.contacts-schedule__row.is-off .value { color: var(--color-text-light); }

.contact-form-card {
  padding: 2.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: calc(var(--header-height) + 24px);
}
.contact-form-card h3 { font-size: 1.375rem; margin-bottom: 0.5rem; }

.contacts-map {
  margin-top: 3rem;
  aspect-ratio: 16 / 7;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}
.contacts-map iframe { width: 100%; height: 100%; border: 0; display: block; }

@media (max-width: 1024px) {
  .contacts-layout { grid-template-columns: 1fr; }
  .contact-form-card { position: static; }
}
@media (max-width: 560px) {
  .contacts-cards { grid-template-columns: 1fr; }
  .contacts-map { aspect-ratio: 4 / 3; }
  .contact-form-card { padding: 1.5rem; }
}

/* ==========================================================================
   Legal pages
   ========================================================================== */
.legal {
  max-width: 780px;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text);
}
.legal h2 {
  font-size: 1.3rem;
  margin: 2.5rem 0 1rem;
  color: var(--color-text);
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.legal h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.legal p { font-size: 0.95rem; line-height: 1.75; margin-bottom: 1em; color: var(--color-text); }
.legal ul { margin-bottom: 1.25em; }
.legal li { margin-bottom: 0.5em; color: var(--color-text); font-size: 0.95rem; }
.legal__meta {
  padding: 1.25rem 1.5rem;
  background: var(--color-primary-50);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 2.5rem;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
}

/* ==========================================================================
   Brand mark — на главной под hero
   ========================================================================== */
.brand-row {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}
.brand-row__label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}
.brand-row__items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem 3.5rem;
  align-items: center;
}
.brand-row__item {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
  opacity: 0.65;
  transition: opacity var(--transition);
}
.brand-row__item:hover { opacity: 1; color: var(--color-primary); }
.brand-row__item span {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  text-transform: uppercase;
  margin-top: 0.2rem;
}