:root {
  --ink: #102331;
  --muted: #5f7180;
  --soft: #eef4f7;
  --paper: #f8fafb;
  --white: #ffffff;
  --line: #dbe5eb;
  --blue: #126990;
  --deep: #0b344c;
  --aqua: #58aebc;
  --steel: #6f7f89;
  --warm: #b99162;
  --shadow: 0 18px 48px rgba(16, 35, 49, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body.nav-open {
  overflow: hidden;
}

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

a,
button {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

button {
  cursor: pointer;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
  padding: 0 5vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 229, 235, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 206px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  font-weight: 800;
  background: linear-gradient(135deg, var(--deep), var(--aqua));
  border-radius: 8px;
}

.brand-copy strong,
.brand-copy small {
  display: block;
}

.brand-copy strong {
  font-size: 17px;
  letter-spacing: 0;
}

.brand-copy small {
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #253b4b;
  font-size: 14px;
  font-weight: 800;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 76px;
  border-bottom: 3px solid transparent;
}

.main-nav a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.nav-cta {
  min-height: 42px !important;
  padding: 0 18px;
  color: var(--white);
  background: var(--blue);
  border-radius: 6px;
  border-bottom: 0 !important;
}

.nav-cta:hover {
  color: var(--white) !important;
  background: var(--deep);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: clamp(590px, 82vh, 790px);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #dfe8ed;
}

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

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.78) 41%, rgba(255, 255, 255, 0.14) 76%),
    linear-gradient(180deg, rgba(8, 31, 45, 0.05), rgba(8, 31, 45, 0.24));
}

.hero-content {
  position: relative;
  width: min(760px, 90vw);
  padding: 96px 5vw 140px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 720px;
  font-size: clamp(42px, 5.7vw, 76px);
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
}

h3 {
  font-size: 22px;
}

.hero-content > p:not(.eyebrow) {
  max-width: 620px;
  margin: 24px 0 0;
  color: #415462;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 900;
}

.button.primary {
  color: var(--white);
  background: var(--blue);
}

.button.primary:hover {
  background: var(--deep);
}

.button.secondary {
  color: var(--deep);
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(11, 52, 76, 0.26);
}

.section {
  padding: 92px 5vw;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 36px;
}

.section-heading h2 {
  max-width: 860px;
}

.categories {
  background: var(--white);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.category-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.category-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.category-card div {
  padding: 24px;
}

.category-card p,
.product-card span {
  margin: 0 0 8px;
  color: var(--warm);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.category-card span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  padding: 0;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  background: none;
  border: 0;
}

.about {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f7fbfd 0%, #eef4f7 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--blue), var(--aqua));
}

.about-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.8fr);
  gap: 48px;
  align-items: center;
}

.about-copy h2 {
  margin: 0 0 20px;
  max-width: 760px;
  font-size: clamp(42px, 5vw, 76px);
  line-height: 0.96;
}

.about-copy p {
  max-width: 820px;
  color: var(--muted);
  font-size: 18px;
}

.about-copy p + p {
  margin-top: 14px;
}

.about-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.about-points article {
  min-height: 132px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(16, 35, 49, 0.08);
}

.about-points span,
.about-points strong {
  display: block;
}

.about-points span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.about-points strong {
  margin-top: 14px;
  color: var(--ink);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.16;
}

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

.product-heading {
  align-items: start;
}

.filter-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.filter-button {
  min-height: 38px;
  padding: 0 15px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 900;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.filter-button.active {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.subcategory-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 24px;
}

.subcategory-tabs.hidden {
  display: none;
}

.subcategory-button {
  min-height: 38px;
  padding: 0 16px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 900;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.subcategory-button.active {
  color: var(--white);
  background: var(--deep);
  border-color: var(--deep);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  display: grid;
  grid-template-rows: 280px 1fr;
  min-height: 470px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(16, 35, 49, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

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

.product-card img {
  width: 100%;
  height: 100%;
  padding: 24px;
  background: #ffffff;
  object-fit: contain;
  transition: transform 220ms ease;
}

.product-card:hover img {
  transform: scale(1.045);
}

.product-card div {
  padding: 24px;
  border-top: 1px solid var(--line);
}

.product-card p {
  margin: 14px 0 0;
  color: var(--muted);
}

.product-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  min-height: 96px;
  padding-top: 34px;
}

.page-number-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  padding: 0 14px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.page-number-button:hover,
.page-number-button.active {
  color: var(--white);
  background: var(--deep);
  border-color: var(--deep);
}

.support {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: 54px;
  padding: 92px 5vw;
  color: var(--white);
  background: linear-gradient(135deg, #0a2f45 0%, #145d7e 62%, #4a9ca9 100%);
}

.support .eyebrow {
  color: #a7dae3;
}

.support-copy p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

.support-list {
  display: grid;
  gap: 14px;
}

.support-list article {
  padding: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
}

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

.support-list span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.74);
}

.inquiry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 78px 5vw;
  background: var(--soft);
}

.inquiry > div {
  max-width: 820px;
}

.inquiry p {
  color: var(--muted);
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 0;
}

.contact-list div {
  position: relative;
  min-height: 112px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(13, 48, 68, 0.06);
  overflow: hidden;
}

.contact-list div::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--aqua));
}

.contact-list div::after {
  content: "";
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 76px;
  height: 76px;
  border: 1px solid rgba(24, 124, 154, 0.14);
  border-radius: 999px;
}

.contact-list dt {
  position: relative;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-list dd {
  position: relative;
  margin: 6px 0 0;
  color: var(--ink);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 5vw;
  color: #687986;
  font-size: 14px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1020px) {
  .section-heading,
  .support,
  .inquiry,
  .site-footer {
    display: grid;
  }

  .category-grid,
  .product-grid,
  .contact-list {
    grid-template-columns: 1fr 1fr;
  }

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

  .filter-tabs {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 68px;
    padding: 0 20px;
  }

  .brand {
    min-width: 0;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    inset: 68px 0 auto 0;
    display: none;
    padding: 12px 20px 20px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  body.nav-open .main-nav {
    display: grid;
    gap: 8px;
  }

  .main-nav a,
  .nav-cta {
    min-height: 44px !important;
    justify-content: flex-start;
    border-bottom: 0;
  }

  .hero {
    min-height: 700px;
  }

  .hero-shade {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.84) 55%, rgba(255, 255, 255, 0.2) 100%);
  }

  .hero-content,
  .section,
  .support,
  .inquiry {
    padding-left: 20px;
    padding-right: 20px;
  }

  .about::before {
    width: 4px;
  }

  .about-copy p {
    font-size: 16px;
  }

  .about-points {
    grid-template-columns: 1fr;
  }

  .about-points article {
    min-height: auto;
    padding: 20px;
  }

  .hero-content {
    padding-top: 80px;
    padding-bottom: 120px;
  }

  h1 {
    font-size: 42px;
  }

  .category-grid,
  .product-grid,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .product-card {
    grid-template-rows: 250px 1fr;
    min-height: 430px;
  }

  .button {
    width: 100%;
  }
}