:root {
  --blue: #07315f;
  --blue-2: #0f4f86;
  --orange: #f47a1f;
  --ink: #10233b;
  --muted: #5a6a7d;
  --line: #d9e0e8;
  --soft: #f3f6fa;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 14px clamp(18px, 5vw, 70px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand img {
  width: 136px;
  height: 52px;
  object-fit: contain;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  text-decoration: none;
  color: var(--blue);
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 4px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--blue);
  color: var(--white);
  outline: none;
}

.menu-button {
  display: none;
  width: 42px;
  height: 38px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 4px;
  padding: 8px;
}

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

.hero {
  min-height: calc(100vh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: clamp(26px, 5vw, 70px);
  padding: clamp(44px, 7vw, 92px) clamp(18px, 5vw, 70px);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
    repeating-linear-gradient(0deg, rgba(7, 49, 95, 0.05) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(7, 49, 95, 0.04) 0 1px, transparent 1px 48px),
    var(--soft);
  color: var(--ink);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  max-width: 780px;
  color: var(--blue);
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

.hero-text {
  max-width: 660px;
  margin: 22px 0 0;
  color: #354a63;
  font-size: clamp(18px, 2.1vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 0;
  border-radius: 4px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

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

.button.secondary {
  background: var(--white);
  color: var(--blue);
  border: 1px solid var(--line);
}

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

.hero .button.primary:hover,
.hero .button.primary:focus-visible,
.hero .button.secondary:hover,
.hero .button.secondary:focus-visible {
  background: var(--orange);
  color: var(--white);
  outline: none;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 4px;
}

.hero-showcase {
  display: grid;
  gap: 14px;
  align-self: stretch;
  max-height: 560px;
}

.showcase-main,
.showcase-grid figure {
  display: grid;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(7, 49, 95, 0.08);
}

.showcase-main {
  grid-template-columns: minmax(160px, 1fr) minmax(180px, 0.85fr);
  align-items: center;
  min-height: 300px;
  border-top: 4px solid var(--orange);
}

.showcase-main img {
  display: block;
  width: 100%;
  height: 300px;
  padding: 24px;
  object-fit: contain;
  background: #ffffff;
}

.showcase-main div {
  padding: 24px;
}

.showcase-main span {
  display: block;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.showcase-main strong {
  display: block;
  color: var(--blue);
  font-size: 22px;
  line-height: 1.25;
}

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

.showcase-grid figure {
  min-height: 170px;
  margin: 0;
  padding: 12px;
  grid-template-rows: 1fr auto;
  place-items: center;
}

.showcase-grid img {
  display: block;
  width: 100%;
  height: 120px;
  object-fit: contain;
}

.showcase-grid figcaption {
  width: 100%;
  padding-top: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  border-top: 1px solid var(--line);
}

.section {
  padding: clamp(54px, 7vw, 86px) clamp(18px, 5vw, 70px);
}

.section-heading {
  max-width: 760px;
}

.section-copy {
  max-width: 820px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.section h2 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(26px, 5vw, 70px);
  border-bottom: 1px solid var(--line);
}

.intro-copy {
  color: var(--muted);
  font-size: 18px;
}

.intro-copy p:first-child { margin-top: 0; }

.solutions {
  background: var(--soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.card {
  min-height: 230px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.card-number {
  display: inline-block;
  color: var(--orange);
  font-weight: 800;
  margin-bottom: 30px;
}

.card h3 {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 23px;
}

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

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

.category-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.category-preview {
  display: grid;
  grid-template-rows: 150px auto auto;
  gap: 10px;
  min-height: 270px;
  padding: 18px;
  color: var(--blue);
  text-decoration: none;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.category-preview:hover,
.category-preview:focus-visible {
  border-color: var(--orange);
  outline: none;
}

.category-preview img {
  width: 100%;
  height: 150px;
  object-fit: contain;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.category-preview strong {
  font-size: 22px;
}

.category-preview span {
  color: var(--muted);
  font-size: 14px;
}

.catalog-cta {
  width: fit-content;
  margin-top: 22px;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.category-tabs button {
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  color: var(--blue);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.category-tabs button.active,
.category-tabs button:hover,
.category-tabs button:focus-visible {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  outline: none;
}

.product-list-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 30px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.product-list-header h3 {
  margin: 0;
  color: var(--blue);
  font-size: 28px;
}

.product-list-header span {
  color: var(--muted);
  font-weight: 800;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.product-card {
  display: grid;
  grid-template-rows: 210px 1fr auto;
  min-height: 100%;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.empty-products {
  grid-column: 1 / -1;
  padding: 28px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.empty-products h4 {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 22px;
}

.empty-products p {
  max-width: 720px;
  margin: 0 0 18px;
  color: var(--muted);
}

.product-photo {
  display: grid;
  place-items: center;
  position: relative;
  min-height: 210px;
  overflow: hidden;
  contain: paint;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.product-photo img {
  display: block;
  width: auto;
  height: auto;
  max-width: calc(100% - 32px);
  max-height: 178px;
  object-fit: contain;
}

.product-info {
  position: relative;
  z-index: 1;
  padding: 18px 18px 0;
  background: var(--soft);
}

.product-info span {
  display: block;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-info h4 {
  margin: 0;
  color: var(--blue);
  font-size: 22px;
}

.product-info p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.product-info dl {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
}

.product-info dl div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
}

.product-info dt {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.product-info dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 18px;
}

.button.email {
  background: var(--blue-2);
  color: var(--white);
}

.seo-hero {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.seo-hero h1 {
  max-width: 900px;
  margin: 0;
  color: var(--blue);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.04;
}

.seo-hero p:not(.eyebrow) {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.seo-products {
  background: var(--white);
}

.category-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.category-link {
  display: grid;
  gap: 8px;
  min-height: 110px;
  padding: 20px;
  color: var(--blue);
  text-decoration: none;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.category-link:hover,
.category-link:focus-visible {
  border-color: var(--orange);
  outline: none;
}

.category-link strong {
  font-size: 22px;
}

.category-link span {
  color: var(--muted);
  font-weight: 800;
}

.product-info h4 a {
  color: inherit;
  text-decoration: none;
}

.product-info h4 a:hover,
.product-info h4 a:focus-visible {
  color: var(--orange);
  outline: none;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.product-detail-photo {
  display: grid;
  place-items: center;
  min-height: 430px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.product-detail-photo img {
  max-width: calc(100% - 48px);
  max-height: 360px;
  object-fit: contain;
}

.product-detail-info h1 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.04;
}

.product-detail-info p {
  color: var(--muted);
  font-size: 18px;
}

.product-detail-info dl {
  display: grid;
  gap: 10px;
  margin: 24px 0;
}

.product-detail-info dl div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.product-detail-info dt {
  color: var(--blue);
  font-weight: 800;
}

.product-detail-info dd {
  margin: 0;
  color: var(--muted);
}

.detail-actions {
  max-width: 520px;
  padding: 0;
}

.service-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(26px, 5vw, 70px);
  background: var(--blue);
  color: var(--white);
}

.service-band h2 { color: var(--white); }

.steps {
  display: grid;
  gap: 12px;
}

.steps div {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.steps strong {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--orange);
  border-radius: 50%;
}

.contact {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(26px, 5vw, 70px);
}

.contact-info p {
  color: var(--muted);
  font-size: 17px;
}

.contact-info a {
  display: block;
  width: fit-content;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
  margin-top: 8px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

label {
  display: grid;
  gap: 7px;
  color: var(--blue);
  font-weight: 800;
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #b9c6d5;
  border-radius: 4px;
  padding: 12px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

textarea { resize: vertical; }

input:focus,
textarea:focus {
  outline: 2px solid rgba(244, 122, 31, 0.3);
  border-color: var(--orange);
}

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

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(18px, 5vw, 70px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: 96px;
  height: 42px;
  object-fit: contain;
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 10px 18px 10px 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 800;
  background: #1f9d55;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(16, 35, 59, 0.22);
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  background: #168344;
  outline: 3px solid rgba(31, 157, 85, 0.24);
}

.floating-whatsapp span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #1f9d55;
  background: var(--white);
  border-radius: 50%;
  font-size: 18px;
  line-height: 1;
}

.floating-whatsapp strong {
  font-size: 15px;
}

@media (max-width: 860px) {
  .menu-button { display: block; }
  .site-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
  }
  .site-nav.open { display: flex; }
  .hero,
  .intro,
  .service-band,
  .contact {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.9)),
      repeating-linear-gradient(0deg, rgba(7, 49, 95, 0.05) 0 1px, transparent 1px 42px),
      var(--soft);
  }
  .showcase-main {
    grid-template-columns: 1fr;
  }
  .showcase-main img {
    height: 220px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-detail { grid-template-columns: 1fr; }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .floating-whatsapp {
    right: 16px;
    bottom: 16px;
    min-height: 50px;
    padding-right: 14px;
  }
}

@media (max-width: 520px) {
  .site-header { padding-inline: 16px; }
  .brand img { width: 118px; }
  .hero-actions .button { width: 100%; }
  .showcase-main div,
  .card,
  .contact-form {
    padding: 20px;
  }
  .hero-showcase {
    max-height: none;
  }
  .showcase-grid {
    grid-template-columns: 1fr;
  }
  .showcase-grid figure {
    min-height: 150px;
  }
  .product-list-header { align-items: flex-start; flex-direction: column; }
  .product-grid { grid-template-columns: 1fr; }
  .product-actions { grid-template-columns: 1fr; }
  .category-preview-grid { grid-template-columns: 1fr; }
  .catalog-cta { width: 100%; }
  .category-link-grid { grid-template-columns: 1fr; }
  .product-detail-photo { min-height: 300px; }
  .product-detail-info dl div { grid-template-columns: 1fr; }
}