:root {
  --ink: #101820;
  --muted: #5e6874;
  --line: #dce2e8;
  --paper: #f7f9fb;
  --white: #ffffff;
  --red: #c82f2d;
  --red-dark: #981f22;
  --teal: #0e7c7b;
  --steel: #263241;
  --gold: #c9902f;
  --shadow: 0 18px 60px rgba(16, 24, 32, 0.12);
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 22px;
  --h1-home: 64px;
  --h1-page: 52px;
  --h2: 40px;
  --h3: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: var(--text-base);
  line-height: 1.55;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 0 40px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-logo {
  width: 172px;
  height: auto;
  object-fit: contain;
}

.footer-logo {
  width: 214px;
  height: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 14px;
  color: #334152;
  font-size: var(--text-sm);
}

.main-nav a {
  padding: 8px 0;
}

.main-nav a:hover {
  color: var(--red);
}

.main-nav a.active {
  color: var(--red);
  font-weight: 800;
}

.header-cta,
.primary-btn,
.secondary-btn,
.product-card a,
.solution-card a,
.case-card a,
.quote-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 4px;
  font-weight: 700;
  border: 1px solid transparent;
}

.header-cta,
.primary-btn,
.quote-form button {
  color: var(--white);
  background: var(--red);
}

.header-cta:hover,
.primary-btn:hover,
.quote-form button:hover {
  background: var(--red-dark);
}

.page-hero {
  padding: 92px 40px 76px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(16, 24, 32, 0.96), rgba(16, 24, 32, 0.76)),
    url("assets/hero-switchgear.jpg") center / cover;
}

.page-hero > * {
  width: min(1120px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.page-hero h1 {
  max-width: 920px;
  font-size: var(--h1-page);
  line-height: 1.05;
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-lg);
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 15, 23, 0.92) 0%, rgba(8, 15, 23, 0.72) 38%, rgba(8, 15, 23, 0.18) 72%, rgba(8, 15, 23, 0.06) 100%),
    linear-gradient(0deg, rgba(8, 15, 23, 0.42), rgba(8, 15, 23, 0));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 48px));
  margin-left: clamp(24px, 7vw, 96px);
  padding: 70px 0 120px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: var(--h1-home);
  line-height: 1.03;
  letter-spacing: 0;
}

.lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: var(--text-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.secondary-btn {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 670px;
  margin: 46px 0 0;
  background: rgba(255, 255, 255, 0.18);
}

.hero-stats div {
  padding: 18px;
  background: rgba(16, 24, 32, 0.68);
}

.hero-stats dt {
  font-size: var(--text-xl);
  font-weight: 800;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--text-sm);
}

section {
  padding: 88px 40px;
}

.band {
  background: var(--paper);
}

.dark {
  color: var(--white);
  background: var(--steel);
}

.section-head {
  max-width: 1120px;
  margin: 0 auto 34px;
}

.section-head h2 {
  max-width: 760px;
  margin: 0;
  font-size: var(--h2);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-head p:not(.eyebrow),
.delivery-copy p,
.contact-panel > div > p {
  color: var(--muted);
}

.dark .section-head p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.7fr);
  gap: 36px;
  align-items: end;
}

.split > p {
  margin: 0;
}

.intro-grid,
.product-grid,
.process,
.pillar-grid,
.solution-grid,
.case-grid,
.advantage-grid,
.certificate-grid,
.partner-grid,
.blog-grid {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--white);
}

.intro-grid article {
  min-height: 190px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.intro-grid article:last-child {
  border-right: 0;
}

.intro-grid h3,
.product-card h3,
.process h3 {
  margin: 0 0 12px;
  font-size: var(--h3);
  line-height: 1.2;
}

.intro-grid p,
.product-card p,
.process p,
.pillar-card p,
.solution-card p,
.case-card p,
.advantage-grid p,
.certificate-grid p,
.partner-grid p,
.blog-grid p {
  margin: 0;
  color: var(--muted);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.pillar-card {
  display: block;
  min-height: 250px;
  padding: 24px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 10px 34px rgba(16, 24, 32, 0.05);
}

.pillar-card:hover,
.solution-card:hover,
.case-card:hover {
  border-color: rgba(200, 47, 45, 0.42);
  box-shadow: var(--shadow);
}

.pillar-card span,
.solution-card span,
.case-card span,
.advantage-grid span,
.certificate-grid span,
.partner-grid span,
.blog-grid span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--gold);
  font-weight: 800;
}

.pillar-card h3 {
  margin: 0 0 12px;
  font-size: var(--h3);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: min(1120px, 100%);
  margin: 0 auto 22px;
}

.filter {
  min-height: 38px;
  padding: 0 14px;
  color: #405064;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.filter.active,
.filter:hover {
  color: var(--white);
  background: var(--teal);
  border-color: var(--teal);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-grid.compact .product-card {
  min-height: 245px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 272px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  box-shadow: 0 10px 34px rgba(16, 24, 32, 0.05);
}

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

.product-card span {
  align-self: flex-start;
  margin: 22px 22px 18px;
  padding: 4px 8px;
  color: var(--teal);
  background: #e9f5f4;
  font-size: var(--text-xs);
  font-weight: 800;
}

.product-card h3,
.product-card p,
.product-card a,
.product-specs {
  margin-left: 22px;
  margin-right: 22px;
}

.product-card p {
  flex: 1;
}

.product-card a {
  width: max-content;
  margin-top: 18px;
  margin-bottom: 22px;
  color: var(--red);
  background: #fff3f3;
  border-color: #f4cdcd;
}

.product-card a:hover {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.product-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #edf1f4;
  border-bottom: 1px solid var(--line);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-specs {
  display: grid;
  gap: 7px;
  margin-top: 18px;
  padding: 0;
  list-style: none;
  color: #405064;
  font-size: var(--text-sm);
}

.product-specs li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 7px;
  border-bottom: 1px solid #edf1f4;
}

.product-specs b {
  color: var(--ink);
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.74fr);
  gap: 46px;
  align-items: center;
  padding-top: 74px;
  padding-bottom: 74px;
  color: var(--white);
  background: var(--steel);
}

.product-hero-copy,
.product-hero-media {
  width: min(100%, 1120px);
}

.product-hero-copy {
  justify-self: end;
  max-width: 670px;
}

.product-hero h1 {
  max-width: 720px;
  font-size: var(--h1-page);
}

.product-hero p:not(.eyebrow) {
  max-width: 650px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-lg);
}

.product-hero-media {
  justify-self: start;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: #edf1f4;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
}

.product-hero-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

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

.detail-grid article {
  min-height: 250px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 10px 34px rgba(16, 24, 32, 0.05);
}

.detail-grid h3 {
  margin: 0 0 14px;
  font-size: var(--h3);
}

.detail-grid p,
.detail-grid li {
  color: var(--muted);
}

.detail-grid ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.detail-grid span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--gold);
  font-weight: 800;
}

.product-detail-table {
  max-width: 920px;
}

.product-detail-table table td:first-child {
  width: 34%;
  color: var(--ink);
  font-weight: 800;
}

.faq-list,
.related-links {
  width: min(920px, 100%);
  margin: 0 auto;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  padding: 20px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
}

.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
}

.related-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.related-links a {
  display: flex;
  min-height: 76px;
  align-items: center;
  padding: 18px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  font-weight: 800;
}

.related-links a:last-child {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.quick-links {
  width: min(1120px, 100%);
  margin: 30px auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.quick-links a {
  display: block;
  padding: 18px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  font-weight: 800;
}

.content-visual {
  width: min(1120px, 100%);
  margin: 0 auto 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  box-shadow: 0 10px 34px rgba(16, 24, 32, 0.05);
}

.content-visual img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.18);
}

.process article {
  min-height: 260px;
  padding: 28px;
  background: #1b2734;
}

.process span {
  display: block;
  margin-bottom: 28px;
  color: var(--gold);
  font-weight: 800;
}

.process p {
  color: rgba(255, 255, 255, 0.72);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.solution-card,
.case-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.solution-card {
  min-height: 300px;
}

.solution-card h3,
.case-card h3 {
  margin: 0 0 14px;
  font-size: var(--h3);
  line-height: 1.2;
}

.solution-card a,
.case-card a {
  width: max-content;
  margin-top: 24px;
  color: var(--red);
  background: #fff3f3;
  border-color: #f4cdcd;
}

.solution-card a:hover,
.case-card a:hover {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  display: flex;
  flex-direction: column;
  min-height: 330px;
}

.case-card p {
  flex: 1;
}

.advantage-grid,
.certificate-grid,
.partner-grid,
.blog-grid {
  display: grid;
  gap: 18px;
}

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

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

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

.advantage-grid article,
.certificate-grid article,
.partner-grid article,
.blog-grid article {
  min-height: 255px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 10px 34px rgba(16, 24, 32, 0.05);
}

.advantage-grid h3,
.certificate-grid h3,
.partner-grid h3,
.blog-grid h3 {
  margin: 0 0 14px;
  font-size: var(--h3);
  line-height: 1.2;
}

.blog-grid article {
  display: flex;
  flex-direction: column;
}

.blog-grid p {
  flex: 1;
}

.blog-grid a {
  width: max-content;
  margin-top: 24px;
  color: var(--red);
  font-weight: 800;
}

.spec-table-wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--white);
  background: var(--steel);
  font-size: var(--text-sm);
  text-transform: uppercase;
}

td {
  color: #334152;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.delivery {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: 46px;
  align-items: center;
}

.delivery-copy,
.delivery-list {
  width: min(100%, 560px);
}

.delivery-copy {
  justify-self: end;
}

.delivery-copy h2,
.contact-panel h2 {
  margin: 0 0 18px;
  font-size: var(--h2);
  line-height: 1.12;
}

.delivery-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.delivery-list div {
  min-height: 130px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
}

.delivery-list strong,
.delivery-list span {
  display: block;
}

.delivery-list span {
  margin-top: 10px;
  color: var(--muted);
}

.contact {
  background: linear-gradient(180deg, var(--white), #eef3f7);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: 44px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-panel-direct {
  align-items: start;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.secondary-btn.light {
  color: var(--teal);
  background: #eef8f7;
  border-color: #cce8e6;
}

.secondary-btn.light:hover {
  color: var(--white);
  background: var(--teal);
  border-color: var(--teal);
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.contact-lines li {
  padding: 12px 14px;
  background: var(--paper);
  border-left: 3px solid var(--red);
}

.request-guide {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.request-guide h3 {
  margin: 0 0 18px;
  font-size: var(--h3);
}

.request-guide ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.quote-form {
  display: grid;
  gap: 14px;
}

.quote-form label {
  display: grid;
  gap: 6px;
  color: #334152;
  font-size: var(--text-sm);
  font-weight: 700;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  outline: 2px solid rgba(14, 124, 123, 0.24);
  border-color: var(--teal);
}

.quote-form button {
  border: 0;
  cursor: pointer;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: #0d141d;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) repeat(4, minmax(150px, 0.7fr));
  gap: 30px;
  padding: 52px 40px 38px;
  width: min(1240px, 100%);
  margin: 0 auto;
}

.footer-brand p {
  max-width: 360px;
  margin: 14px 0 22px;
}

.footer-title {
  display: block;
  margin-bottom: 14px;
  color: var(--white);
  font-size: var(--text-base);
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-links a,
.social-links a,
.footer-bottom a {
  color: rgba(255, 255, 255, 0.78);
}

.footer-links a:hover,
.social-links a:hover,
.footer-bottom a:hover {
  color: var(--white);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

.social-links a:hover {
  background: var(--red);
  border-color: var(--red);
}

.social-links svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer-contact {
  display: grid;
  gap: 9px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  width: min(1240px, 100%);
  margin: 0 auto;
  font-size: var(--text-sm);
}

@media (max-width: 980px) {
  :root {
    --h1-home: 52px;
    --h1-page: 46px;
    --h2: 34px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 12px 22px;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    width: min(720px, calc(100% - 44px));
    margin-left: 22px;
  }

  .split,
  .product-hero,
  .delivery,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .product-hero-copy,
  .product-hero-media {
    justify-self: stretch;
    max-width: none;
  }

  .delivery-copy {
    justify-self: start;
  }

  .intro-grid,
  .product-grid,
  .detail-grid,
  .detail-grid.three,
  .process,
  .pillar-grid,
  .case-grid,
  .advantage-grid,
  .certificate-grid,
  .partner-grid,
  .blog-grid,
  .quick-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 42px 22px 30px;
  }

  .intro-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  :root {
    --h1-home: 38px;
    --h1-page: 36px;
    --h2: 28px;
    --h3: 20px;
    --text-lg: 17px;
  }

  .site-header {
    position: static;
    gap: 12px;
  }

  .brand-logo {
    width: 158px;
  }

  .footer-logo {
    width: 190px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: var(--text-sm);
  }

  section {
    padding: 62px 20px;
  }

  .hero {
    min-height: 720px;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(8, 15, 23, 0.94), rgba(8, 15, 23, 0.52));
  }

  .hero-actions,
  .primary-btn,
  .secondary-btn {
    width: 100%;
  }

  .content-visual img {
    height: 240px;
  }

  .hero-stats,
  .intro-grid,
  .product-grid,
  .detail-grid,
  .detail-grid.three,
  .process,
  .pillar-grid,
  .case-grid,
  .advantage-grid,
  .certificate-grid,
  .partner-grid,
  .blog-grid,
  .quick-links,
  .delivery-list {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 68px 20px 56px;
  }

  .product-hero {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .related-links {
    grid-template-columns: 1fr;
  }

  .hero-stats div {
    padding: 14px;
  }

  .contact-panel {
    padding: 22px;
  }

  .footer-main,
  .footer-bottom {
    flex-direction: column;
    padding-left: 20px;
    padding-right: 20px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    display: grid;
  }
}