:root {
  font-family: "Kanit", Arial, sans-serif;
  color: #151719;
  background: #f6f6f4;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

a {
  color: inherit;
}

.seo-site-header {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem max(1.5rem, calc((100% - 1180px) / 2));
  border-bottom: 1px solid #1717171a;
  background: #fff;
}

.seo-brand img {
  display: block;
  width: 128px;
  height: auto;
}

.seo-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  color: #535b61;
  font-size: 0.85rem;
}

.seo-nav a,
.seo-breadcrumbs a,
.seo-product-list a {
  text-decoration: none;
}

.seo-nav a:hover,
.seo-breadcrumbs a:hover,
.seo-product-list a:hover {
  color: #df6d21;
}

.seo-main {
  width: min(100% - 3rem, 1180px);
  margin: 0 auto;
}

.seo-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 1.5rem 0;
  color: #737b82;
  font-size: 0.78rem;
}

.seo-hero {
  padding: clamp(2.5rem, 7vw, 6rem) 0 2.5rem;
  border-bottom: 1px solid #17171720;
}

.seo-eyebrow {
  margin: 0 0 1rem;
  color: #df6d21;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.seo-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 6.25rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.seo-lead {
  max-width: 740px;
  margin: 1.4rem 0 0;
  color: #566068;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  line-height: 1.75;
}

.seo-section {
  padding: 2.5rem 0;
}

.seo-section h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.seo-product-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-product-list li,
.seo-feature-card {
  border: 1px solid #e2e4e3;
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  background: #fff;
}

.seo-product-list a,
.seo-feature-card a {
  font-size: 1.12rem;
  font-weight: 500;
}

.seo-product-list p,
.seo-feature-card p,
.seo-section p {
  margin: 0.5rem 0 0;
  color: #687178;
  font-size: 0.92rem;
  line-height: 1.65;
}

.seo-product-grid,
.seo-service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.seo-product-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 340px;
  margin: 0 0 1.5rem;
  border-radius: 12px;
  background: #e7e8e6;
  object-fit: cover;
}

.seo-spec-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 1px solid #e2e4e3;
}

.seo-spec-list div {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(0, 1.2fr);
  gap: 0.75rem;
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid #e2e4e3;
  font-size: 0.85rem;
}

.seo-spec-list dt {
  color: #687178;
}

.seo-spec-list dd {
  margin: 0;
  font-weight: 500;
}

.seo-bullet-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1.5rem;
  padding-left: 1.2rem;
  color: #4d565d;
  line-height: 1.65;
}

.seo-cta {
  margin: 1.5rem 0 4rem;
  border-radius: 14px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: #1c2024;
  color: #fff;
}

.seo-cta h2 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 500;
}

.seo-cta p {
  max-width: 650px;
  color: #d0d3d5;
  line-height: 1.7;
}

.seo-cta a {
  display: inline-flex;
  margin-top: 0.5rem;
  border-radius: 999px;
  padding: 0.75rem 1.15rem;
  background: #e97827;
  color: #fff;
  font-size: 0.85rem;
  text-decoration: none;
}

.seo-site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid #17171720;
  padding: 1.5rem max(1.5rem, calc((100% - 1180px) / 2));
  color: #687178;
  font-size: 0.75rem;
}

@media (max-width: 650px) {
  .seo-site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 1.25rem;
  }

  .seo-nav {
    gap: 0.8rem 1rem;
    font-size: 0.78rem;
  }

  .seo-main {
    width: min(100% - 2.5rem, 1180px);
  }

  .seo-product-list,
  .seo-product-grid,
  .seo-service-grid,
  .seo-spec-list,
  .seo-bullet-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .seo-site-footer {
    flex-direction: column;
    padding: 1.25rem;
  }
}