:root {
  --navy: #082b52;
  --green: #16a85a;
  --ink: #122033;
  --muted: #667085;
  --line: #e7edf2;
  --surface: #f5f8fa;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

img { max-width: 100%; }
a { color: var(--navy); }

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: inline-flex; align-items: center; }
.logo { width: auto; height: 54px; display: block; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a, .mobile-nav a { color: var(--navy); text-decoration: none; font-weight: 700; }
.nav a:hover, .mobile-nav a:hover { color: var(--green); }

.mobile-nav { display: none; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--navy);
  font-size: 22px;
  cursor: pointer;
}
.mobile-nav.is-open { display: block; }

.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(255,255,255,.96), rgba(255,255,255,.62)), url('Background.png') center / cover;
}
.hero-inner { position: relative; z-index: 1; }
h1, h2, h3 { color: var(--navy); line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.6rem); margin: 0 0 18px; }
h2 { margin-top: 0; font-size: 2rem; }
h3 { margin: 12px 0; }
.lead { max-width: 720px; font-size: 1.1rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.btn {
  display: inline-block;
  padding: 11px 18px;
  border: 0;
  border-radius: 7px;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover { background: #124477; }
.btn-whatsapp { background: var(--green); }
.btn-whatsapp:hover { background: #128746; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 24px rgba(8, 43, 82, .06);
}
.card img { width: 100%; height: 210px; object-fit: cover; border-radius: 7px; }
.product-image-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.product-image-pair img { height: 180px; transition: opacity .2s ease; }
.product-image-pair:hover img { opacity: .82; }
.card p { color: var(--muted); }
.categories .card { text-decoration: none; }
.category-image-link { display: block; padding: 12px; transition: transform .2s ease, box-shadow .2s ease; }
.category-image-link:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(8, 43, 82, .14); }
.categories .card strong, .categories .card small { display: block; }
.categories .card small { margin-top: 8px; color: var(--muted); }

.about { padding-top: 72px; padding-bottom: 72px; }
.advantages { background: var(--surface); }
.contact-cta { background: var(--navy); color: #fff; }
.contact-cta h3 { color: #fff; }

.news-grid { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.news-link { display: block; color: inherit; text-decoration: none; }
.news-media img { height: 190px; object-fit: cover; }
.news-body { padding-top: 12px; }
.meta { color: var(--muted); font-size: .9rem; }
.excerpt { color: var(--muted); }
.read-more { color: var(--navy); font-weight: 700; }

.article-media img { width: 100%; max-height: 440px; object-fit: cover; border-radius: var(--radius); }
.article-body { padding: 24px 0; }
.product-detail img { display: block; max-height: 520px; object-fit: contain; }
.product-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 42px; align-items: start; }
.product-slider { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.main-product-image { width: 100%; height: 420px; object-fit: contain; border-radius: 8px; background: #fff; }
.slide-controls { display: flex; justify-content: center; align-items: center; gap: 16px; margin: 14px 0 8px; }
.slide-controls button { border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px; background: #fff; color: var(--navy); cursor: pointer; font-weight: 700; }
.product-thumbnails { display: flex; justify-content: center; gap: 8px; }
.thumb { border: 0; padding: 4px; background: transparent; cursor: pointer; }
.thumb img { width: 84px; height: 56px; object-fit: cover; border-radius: 6px; }
.thumb.active img { outline: 3px solid var(--green); outline-offset: 2px; }

.site-footer { background: var(--surface); border-top: 1px solid var(--line); }
.site-footer .container { padding-top: 28px; padding-bottom: 28px; }
.floating-wp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  padding: 14px 16px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0,0,0,.18);
}

@media (max-width: 900px) {
  .nav { display: none; }
  .menu-toggle { display: block; }
  .header-inner { position: relative; }
  .mobile-nav {
    position: absolute;
    top: 88px;
    left: 0;
    right: 0;
    padding: 14px 18px;
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 10px 20px rgba(8,43,82,.1);
    z-index: 25;
  }
  .mobile-nav a { display: block; padding: 9px 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .container { width: min(100% - 24px, 1100px); padding: 32px 0; }
  .header-inner { min-height: 72px; }
  .mobile-nav { top: 72px; }
  .logo { height: 46px; }
  .hero { min-height: 400px; }
  .grid-4 { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-media img { height: 170px; }
  .product-layout { grid-template-columns: 1fr; gap: 24px; }
  .main-product-image { height: 300px; }
}