:root {
  --brand-blue: #0c4da2;
  --brand-blue-dark: #06326e;
  --brand-blue-soft: #e9f2ff;
  --line: #dce3ee;
  --text: #1f2937;
  --muted: #5f6f85;
  --bg: #f4f7fb;
  --white: #ffffff;
  --accent: #ff6b35;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: var(--brand-blue-dark);
  color: #d7e7ff;
  font-size: 12px;
}

.topbar-inner {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.topbar-label {
  color: #fff;
  font-weight: 700;
}

.topbar a:hover {
  color: #fff;
}

.search-strip {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.search-inner {
  min-height: 82px;
  display: grid;
  grid-template-columns: 280px 1fr auto;
  align-items: center;
  gap: 18px;
}

.brand-main {
  margin: 0;
  color: #e53935;
  font-size: 26px;
  font-weight: 700;
}

.brand-sub {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.site-search {
  display: grid;
  grid-template-columns: 170px 1fr 120px;
  border: 2px solid var(--brand-blue);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}

.site-search select,
.site-search input,
.site-search button {
  border: 0;
  padding: 12px 12px;
  font-size: 14px;
}

.site-search select {
  border-right: 1px solid var(--line);
  background: #f8fbff;
}

.site-search input {
  outline: none;
}

.site-search button {
  background: var(--brand-blue);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-size: 14px;
  cursor: pointer;
}

.btn-primary {
  background: var(--brand-blue);
  color: #fff;
}

.btn-primary:hover {
  background: #0a438d;
}

.btn-outline {
  background: #fff;
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}

.btn-outline:hover {
  background: #f1f7ff;
}

.btn-light {
  background: #fff;
  border-color: var(--line);
  color: #21324a;
}

.btn-light:hover {
  background: #f7faff;
}

.company-head {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.company-head-inner {
  display: grid;
  grid-template-columns: 1fr 290px;
  gap: 20px;
  padding: 20px 0;
}

.crumbs {
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 10px;
}

.company-meta h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.25;
}

.location {
  margin: 4px 0 10px;
  color: var(--muted);
}

.meta-lines p {
  margin: 4px 0;
  color: #34435a;
  font-size: 14px;
}

.meta-lines span {
  display: inline-block;
  width: 148px;
  color: var(--muted);
}

.badges {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge-blue {
  background: #eaf2ff;
  color: #104e9d;
}

.badge-green {
  background: #e9faef;
  color: #1f8d42;
}

.badge-gold {
  background: #fff6e0;
  color: #aa6b00;
}

.contact-box {
  background: #f7fbff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-self: start;
}

.contact-avatar {
  width: 88px;
  height: 88px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid #d2e4ff;
}

.contact-title {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.contact-name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.contact-role {
  margin: 0 0 8px;
  color: var(--muted);
}

.contact-email {
  color: var(--brand-blue);
  font-size: 13px;
  word-break: break-all;
}

.contact-email:hover {
  text-decoration: underline;
}

.main-nav {
  background: var(--brand-blue);
}

.main-nav-inner {
  display: flex;
  align-items: center;
  min-height: 50px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: #fff;
  border-radius: 4px;
  padding: 6px 12px;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}

.main-nav li {
  margin-right: 4px;
}

.main-nav a {
  display: block;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 15px 20px;
}

.main-nav a:hover {
  background: #0a428c;
}

.main-nav a.is-current {
  background: #0a428c;
}

.page-main {
  padding: 18px 0 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.hero-slider {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 360px;
  overflow: hidden;
  position: relative;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  color: #fff;
}

.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(1200px 260px at 80% -20%, rgba(255, 255, 255, 0.28), transparent 45%),
              linear-gradient(130deg, #163b6f 0%, #0f589f 45%, #1b79b8 100%);
}

.slide:nth-child(2)::before {
  background: radial-gradient(900px 220px at 20% 0%, rgba(255, 255, 255, 0.25), transparent 45%),
              linear-gradient(130deg, #27445e 0%, #145b8f 45%, #0f98ad 100%);
}

.slide:nth-child(3)::before {
  background: radial-gradient(900px 260px at 80% 0%, rgba(255, 255, 255, 0.25), transparent 45%),
              linear-gradient(130deg, #263f72 0%, #04588f 55%, #007b9f 100%);
}

.slide.has-photo::before {
  background: linear-gradient(180deg, rgba(7, 24, 52, 0.08), rgba(7, 24, 52, 0.16));
}

.slide-photo-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide.active {
  opacity: 1;
}

.slide-content {
  position: relative;
  z-index: 1;
  width: min(560px, 90%);
}

.slide-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1.2px;
  color: #cde6ff;
}

.slide h2 {
  margin: 0 0 10px;
  line-height: 1.25;
  font-size: 34px;
}

.slide p {
  margin: 0;
  color: #f0f6ff;
}

.slider-dots {
  position: absolute;
  right: 18px;
  bottom: 16px;
  z-index: 2;
  display: flex;
  gap: 8px;
}

.slider-dots button {
  width: 11px;
  height: 11px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
}

.slider-dots button.active {
  background: #fff;
}

.hero-side {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.hero-side h3,
.hero-side h4 {
  margin: 0 0 10px;
  font-size: 19px;
}

.snapshot {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.snapshot li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.snapshot span {
  color: var(--muted);
  font-size: 13px;
}

.snapshot strong {
  width: 52%;
  text-align: right;
  font-size: 13px;
}

.categories {
  margin: 0;
  padding: 0 0 0 18px;
  color: #34435a;
}

.block {
  margin-top: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.block h2 {
  margin: 0 0 16px;
  font-size: 24px;
}

.page-title-box {
  background: linear-gradient(180deg, #ffffff, #f6fbff);
}

.page-title-box p {
  margin: 0;
  color: var(--muted);
}

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tabs {
  display: flex;
  gap: 8px;
}

.tabs button {
  border: 1px solid var(--line);
  background: #fff;
  color: #34435a;
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
}

.tabs button.active {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  color: #fff;
}

.products-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.product-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 330px;
}

.product-card.hidden {
  display: none;
}

.product-image {
  width: 100%;
  height: 148px;
  object-fit: cover;
  display: block;
  background: linear-gradient(125deg, #5d6878, #92a5bd);
}

.thumb {
  height: 148px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  padding: 10px;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.thumb span {
  position: relative;
  z-index: 1;
  background: rgba(0, 0, 0, 0.35);
  padding: 3px 7px;
  border-radius: 999px;
}

.thumb::before {
  content: "";
  position: absolute;
  inset: 0;
}

.thumb-1::before { background: linear-gradient(125deg, #5c6476, #8e9eb8); }
.thumb-2::before { background: linear-gradient(125deg, #4f617a, #8ea3be); }
.thumb-3::before { background: linear-gradient(125deg, #665f56, #9c9487); }
.thumb-4::before { background: linear-gradient(125deg, #3d4f66, #738daa); }
.thumb-5::before { background: linear-gradient(125deg, #546270, #8fa0b1); }
.thumb-6::before { background: linear-gradient(125deg, #5c5465, #9189a1); }
.thumb-7::before { background: linear-gradient(125deg, #5b5f67, #9ea7b4); }
.thumb-8::before { background: linear-gradient(125deg, #45566c, #8599b1); }

.product-card h3 {
  margin: 12px 12px 8px;
  font-size: 14px;
  line-height: 1.35;
  min-height: 58px;
}

.card-summary {
  margin: 0 12px 8px;
  color: var(--muted);
  font-size: 12px;
  min-height: 34px;
}

.price {
  margin: 0 12px 4px;
  color: var(--accent);
  font-weight: 700;
}

.moq {
  margin: 0 12px 14px;
  color: var(--muted);
  font-size: 13px;
}

.card-link {
  margin: auto 12px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--brand-blue);
  color: var(--brand-blue);
  border-radius: 4px;
  padding: 7px 12px;
  font-size: 13px;
}

.card-link:hover {
  background: #f0f7ff;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
}

.two-col p {
  margin: 0 0 14px;
  color: #2f3d51;
}

.profile-table-wrap h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

.profile-table th,
.profile-table td,
.info-table th,
.info-table td {
  border: 1px solid var(--line);
  text-align: left;
  padding: 9px 10px;
  vertical-align: top;
  font-size: 14px;
}

.profile-table th,
.info-table th {
  width: 36%;
  background: #f7fbff;
  color: #314056;
}

.split-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 16px;
}

.contact-company {
  margin: 4px 0;
  font-size: 20px;
  font-weight: 700;
}

.contact-card ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.inquiry-form {
  display: grid;
  gap: 8px;
}

.inquiry-form label {
  font-size: 13px;
  color: var(--muted);
}

.inquiry-form textarea,
.inquiry-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px;
  font-size: 14px;
  font-family: inherit;
}

.inquiry-form textarea:focus,
.inquiry-form input:focus {
  outline: 2px solid #d3e5ff;
  border-color: #92b9ef;
}

.inquiry-form .btn {
  justify-self: start;
  margin-top: 8px;
}

.form-feedback {
  min-height: 18px;
  margin: 6px 0 0;
  color: #1f4f98;
  font-size: 13px;
}

.form-feedback.error {
  color: #b32d2d;
}

.catalog-layout {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
}

.catalog-sidebar h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.category-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.category-list li + li {
  margin-top: 8px;
}

.category-list a {
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  color: #2f3d51;
  font-size: 14px;
}

.category-list a span {
  color: var(--muted);
}

.category-list a.active,
.category-list a:hover {
  border-color: #9cbce8;
  background: #f2f8ff;
}

.side-box {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #f9fcff;
}

.side-box h4 {
  margin: 0 0 6px;
}

.side-box p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.product-toolbar {
  margin-bottom: 6px;
}

.product-total {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.products-grid-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pagination {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: #2f3d51;
  font-size: 14px;
}

.page-link.current,
.page-link:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  background: #f1f7ff;
}

.page-link.next {
  padding: 0 12px;
}

.contact-page-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 16px;
}

.contact-column {
  display: grid;
  gap: 16px;
  align-content: start;
}

.contact-info-panel h3,
.contact-column .block h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.contact-info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.contact-info-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-top: 1px solid var(--line);
}

.contact-info-list li:first-child {
  border-top: 0;
}

.contact-info-list span,
.contact-info-list strong {
  padding: 10px 12px;
  font-size: 14px;
}

.contact-info-list span {
  background: #f8fbff;
  color: #3f526d;
}

.contact-info-list strong {
  font-weight: 600;
  color: #25364e;
}

.contact-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.map-placeholder {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, #ecf4ff, #f8fbff);
  display: grid;
  place-items: center;
  text-align: center;
  color: #2f4f73;
}

.map-placeholder span {
  font-weight: 700;
  font-size: 18px;
}

.map-placeholder small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.faq-list li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
}

.faq-list strong {
  display: block;
  margin-bottom: 4px;
}

.faq-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.certificates-block .block-head {
  align-items: baseline;
}

.cert-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  justify-content: space-between;
}

.cert-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cert-nav-wrap {
  display: inline-flex;
  gap: 8px;
}

.cert-nav-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: #144c9c;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.cert-nav-btn:hover {
  background: #edf4ff;
}

.cert-scroll {
  margin-top: 12px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding-bottom: 6px;
}

.cert-scroll::-webkit-scrollbar {
  height: 10px;
}

.cert-scroll::-webkit-scrollbar-thumb {
  background: #cfd9e8;
  border-radius: 999px;
}

.cert-item {
  flex: 0 0 clamp(250px, 28vw, 340px);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  scroll-snap-align: start;
}

.cert-item img {
  width: 100%;
  height: 250px;
  object-fit: contain;
  background: #f7f9fc;
  display: block;
}

.cert-link {
  display: block;
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  background: #f8fbff;
  color: #1166cc;
  text-align: center;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}

.cert-link:hover {
  background: #edf4ff;
}

.cert-summary {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.cert-empty {
  min-height: 150px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  background: linear-gradient(145deg, #f2f7ff, #fbfdff);
  font-size: 13px;
  padding: 10px;
}

.product-detail-wrap {
  padding: 20px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 18px;
}

.product-gallery {
  display: grid;
  gap: 10px;
}

.product-main-image-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.product-main-image-wrap img {
  width: 100%;
  height: 420px;
  object-fit: contain;
  background: #f7f9fc;
  display: block;
}

.product-gallery-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-thumb-btn {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0;
  cursor: pointer;
  background: #fff;
  width: 82px;
  height: 82px;
  overflow: hidden;
}

.product-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-thumb-btn.active {
  border-color: var(--brand-blue);
}

.product-detail-summary h2 {
  margin: 8px 0 10px;
  font-size: 30px;
  line-height: 1.24;
}

.product-meta-line {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.product-short-desc {
  margin: 0 0 12px;
  color: #2a3950;
}

.product-price-box {
  background: #f5f9ff;
  border: 1px solid #d9e7fb;
  border-radius: 8px;
  padding: 10px 12px;
}

.product-price-box .label {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.product-price-box .value {
  margin: 4px 0 0;
  color: var(--accent);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
}

.product-meta-table {
  margin-top: 12px;
}

.product-meta-table th {
  width: 38%;
  background: #f8fbff;
  color: #3a4f6e;
  border: 1px solid var(--line);
  padding: 10px;
  font-weight: 600;
}

.product-meta-table td {
  border: 1px solid var(--line);
  padding: 10px;
}

.product-detail-actions {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-description p {
  margin: 0;
  color: #2a3950;
  white-space: pre-wrap;
}

.footer {
  margin-top: 20px;
  background: #132f59;
  color: #d8e6ff;
}

.footer-grid {
  padding: 30px 0 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.footer h4 {
  margin: 0 0 10px;
  color: #fff;
}

.footer ul {
  margin: 0;
  padding-left: 16px;
  font-size: 14px;
}

.footer li {
  margin: 6px 0;
}

.footer a:hover {
  color: #fff;
}

.footer-copy {
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  font-size: 13px;
  padding: 12px 16px;
}

@media (max-width: 1060px) {
  .search-inner {
    grid-template-columns: 220px 1fr;
  }

  .search-inner > .btn {
    display: none;
  }

  .company-head-inner {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .products-grid-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cert-item {
    flex-basis: 320px;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .contact-page-grid {
    grid-template-columns: 1fr;
  }

  .split-panels,
  .contact-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(1200px, calc(100% - 20px));
  }

  .topbar {
    display: none;
  }

  .search-inner {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px 0;
  }

  .site-search {
    grid-template-columns: 1fr;
    border-radius: 6px;
    border-width: 1px;
  }

  .site-search select {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .company-meta h1 {
    font-size: 25px;
  }

  .meta-lines span {
    width: auto;
    margin-right: 4px;
    font-weight: 700;
  }

  .main-nav-inner {
    min-height: 48px;
    display: block;
    padding: 8px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav ul {
    display: none;
    margin-top: 8px;
    flex-direction: column;
    align-items: stretch;
    background: #0a428c;
    border-radius: 4px;
    overflow: hidden;
  }

  .main-nav ul.open {
    display: flex;
  }

  .main-nav li {
    margin: 0;
  }

  .main-nav a {
    padding: 12px 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-slider {
    min-height: 300px;
  }

  .slide h2 {
    font-size: 26px;
  }

  .block {
    padding: 14px;
  }

  .block-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .products-grid-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-main-image-wrap img {
    height: 300px;
  }

  .pagination {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    padding: 20px 0 14px;
  }

  .cert-item {
    flex-basis: 280px;
  }

  .cert-item img {
    height: 220px;
  }
}

@media (max-width: 520px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .products-grid-list {
    grid-template-columns: 1fr;
  }

  .cert-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .cert-item {
    flex-basis: min(85vw, 340px);
  }

  .cert-item img {
    height: 240px;
  }

  .product-main-image-wrap img {
    height: 240px;
  }

  .contact-info-list li {
    grid-template-columns: 1fr;
  }

  .brand-main {
    font-size: 22px;
  }
}