:root {
  --blue: #0b5f99;
  --navy: #12396a;
  --cyan: #18a8d8;
  --ink: #162231;
  --muted: #5e6b7a;
  --line: #d8e6f0;
  --pale: #eef6fb;
  --white: #fff;
  --soft: #f7fafc;
  --shadow: 0 18px 45px rgba(18, 57, 106, 0.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, Arial, sans-serif; color: var(--ink); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 12px; background: var(--navy); color: white; padding: 8px 12px; z-index: 9; }
.skip-link:focus { left: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-wrap { min-height: 76px; width: min(1220px, calc(100% - 32px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 50px; height: 42px; background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff; font-weight: 800; letter-spacing: .04em; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font-size: 17px; }
.brand-copy small { color: var(--muted); font-size: 11px; margin-top: 4px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { text-decoration: none; color: #354256; font-size: 14px; font-weight: 650; }
.nav-links a.active, .nav-links a:hover { color: var(--blue); }
.nav-toggle { display: none; border: 1px solid var(--line); background: var(--white); padding: 9px 12px; font-weight: 700; color: var(--navy); }
.hero, .page-hero, .product-hero { background: linear-gradient(135deg, #f7fbff 0%, #fff 52%, #e9f4fb 100%); }
.hero-grid { min-height: 680px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 58px; align-items: center; }
.hero-copy, .hero-media, .page-hero .container, .product-hero-grid > *, .split-intro > *, .application-layout > *, .contact-layout > *, .product-detail-grid > * { min-width: 0; }
.hero-copy h1, .page-hero h1, .product-hero h1 { font-size: clamp(38px, 5.4vw, 68px); line-height: .98; margin: 14px 0 22px; letter-spacing: -0.03em; }
.hero-copy p, .page-hero p, .product-hero p { color: var(--muted); font-size: 18px; max-width: 720px; }
.hero-media { position: relative; min-height: 430px; display: grid; place-items: center; }
.hero-media::before { content: ""; position: absolute; inset: 40px 0 0 90px; background: var(--pale); transform: skewX(-10deg); }
.hero-media img { position: relative; width: min(560px, 100%); filter: drop-shadow(0 22px 30px rgba(18,57,106,.18)); }
.eyebrow { color: var(--blue); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 20px; border-radius: 4px; text-decoration: none; font-weight: 750; border: 1px solid transparent; cursor: pointer; }
.btn.primary { background: var(--blue); color: var(--white); }
.btn.secondary { background: var(--white); color: var(--navy); border-color: var(--line); }
.btn.light { background: var(--white); color: var(--navy); }
.btn.whatsapp { background: #1fa855; color: var(--white); border-color: #1fa855; }
.btn.full { width: 100%; margin-top: 12px; }
.section { padding: 88px 0; }
.tinted { background: var(--soft); }
.split-intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: end; margin-bottom: 34px; }
.split-intro h2, .evidence-grid h2, .cta-band h2, .decision-table h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.08; margin: 10px 0 0; letter-spacing: -0.025em; }
.split-intro p { color: var(--muted); font-size: 17px; margin: 0; }
.category-grid, .category-detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.category-tile, .category-detail-grid article, .download-card, .selection-grid article, .contact-card, .detail-side { background: var(--white); border: 1px solid var(--line); padding: 26px; box-shadow: var(--shadow); }
.category-tile span, .category-detail-grid span, .selection-grid span { color: var(--cyan); font-weight: 800; }
.category-tile h3, .category-detail-grid h2, .download-card h2, .selection-grid h2 { margin: 16px 0 10px; line-height: 1.15; }
.category-tile p, .category-detail-grid p, .download-card p, .selection-grid p { color: var(--muted); }
.category-tile strong, .category-detail-grid strong { color: var(--navy); font-size: 13px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); display: flex; flex-direction: column; min-height: 100%; }
.product-image { height: 220px; display: grid; place-items: center; background: linear-gradient(135deg, #fff, #ecf6fb); overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform .25s ease; }
.product-card:hover img { transform: scale(1.04); }
.product-body { padding: 22px; }
.product-body span { color: var(--blue); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.product-body h3 { margin: 10px 0; line-height: 1.18; }
.product-body h3 a { text-decoration: none; }
.product-body p { color: var(--muted); min-height: 76px; }
.text-link { color: var(--blue); font-weight: 800; text-decoration: none; }
.evidence-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; align-items: center; }
.evidence-grid img { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); width: 100%; max-height: 410px; object-fit: contain; padding: 10px; }
.evidence-grid p { color: var(--muted); }
.image-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.image-gallery figure { margin: 0; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.image-gallery img { width: 100%; height: 270px; object-fit: cover; }
.image-gallery figcaption { display: grid; gap: 8px; padding: 18px; }
.image-gallery figcaption strong { color: var(--navy); line-height: 1.2; }
.image-gallery figcaption span { color: var(--muted); font-size: 14px; }
.cta-band { background: var(--navy); color: white; padding: 58px 0; }
.cta-grid { display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: flex-end; }
.cta-band .eyebrow { color: #9de2ff; }
.cta-band h2 { margin-top: 10px; max-width: 720px; }
.page-hero.compact { padding: 86px 0 70px; }
.page-hero h1, .product-hero h1 { max-width: 900px; }
.all-products { grid-template-columns: repeat(3, 1fr); }
.application-layout, .contact-layout, .product-detail-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 36px; align-items: start; }
.application-list { display: grid; gap: 18px; }
.application-list article { border-top: 1px solid var(--line); padding-top: 22px; }
.application-list h2 { margin: 0 0 8px; }
.application-list p { color: var(--muted); margin: 0 0 8px; }
.application-list strong { color: var(--blue); }
.visual-panel { position: sticky; top: 100px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 14px; }
.selection-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.decision-table .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--white); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th { background: var(--navy); color: #fff; text-align: left; }
th, td { padding: 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
td { color: var(--muted); }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.download-card.note { background: var(--navy); color: white; }
.download-card.note p { color: #dbeafe; }
.inquiry-form { background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 28px; display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: grid; gap: 7px; font-weight: 750; color: var(--ink); }
input, select, textarea { width: 100%; border: 1px solid #cbd9e4; padding: 12px 13px; border-radius: 4px; font: inherit; color: var(--ink); background: #fff; }
textarea { resize: vertical; }
.form-note { margin: 0; color: var(--muted); font-size: 13px; }
.contact-card img { margin-top: 18px; background: var(--pale); }
.product-hero { padding: 70px 0; }
.product-hero-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 48px; align-items: center; }
.product-hero-grid img { max-height: 420px; object-fit: contain; background: white; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 16px; width: 100%; }
.back-link { display: inline-block; margin-bottom: 18px; color: var(--blue); text-decoration: none; font-weight: 800; }
.detail-main h2, .detail-side h2 { margin-top: 0; }
.detail-main p { color: var(--muted); font-size: 17px; }
.detail-main ul, .detail-side ul { padding-left: 18px; color: var(--muted); }
.detail-main li, .detail-side li { margin: 9px 0; }
.product-evidence { grid-template-columns: 1.1fr .9fr; }
.related-grid { grid-template-columns: repeat(3, 1fr); }
.site-footer { background: #0d1b2d; color: #dbe6f1; padding-top: 58px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 48px; }
.footer-brand { color: white; font-size: 20px; font-weight: 800; text-decoration: none; }
.site-footer h2 { color: white; font-size: 14px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: .08em; }
.site-footer p { color: #aebdca; }
.site-footer a { display: block; color: #dbe6f1; text-decoration: none; margin: 8px 0; }
.site-footer .footer-whatsapp { display: inline-flex; margin-top: 10px; padding: 10px 14px; background: #1fa855; color: #fff; font-weight: 800; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding: 18px 20px; text-align: center; color: #8fa2b5; font-size: 13px; }
@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; position: fixed; right: 18px; top: 20px; z-index: 40; width: 42px; height: 36px; justify-content: center; padding: 0; background: var(--navy); color: #fff; border-color: var(--navy); }
  .nav-links { position: absolute; left: 16px; right: 16px; top: 76px; background: white; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 16px; display: none; flex-direction: column; align-items: flex-start; }
  .nav-links.open { display: flex; }
  .hero-grid, .split-intro, .application-layout, .contact-layout, .product-detail-grid, .product-hero-grid, .product-evidence { grid-template-columns: 1fr; }
  .hero-copy h1, .page-hero h1, .product-hero h1 { max-width: 560px; }
  .hero-copy p, .page-hero p, .product-hero p { max-width: 560px; }
  .hero-grid { min-height: auto; padding: 70px 0; }
  .category-grid, .category-detail-grid, .product-grid, .all-products, .resource-grid, .related-grid, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .image-gallery { grid-template-columns: repeat(2, 1fr); }
  .selection-grid { grid-template-columns: repeat(2, 1fr); }
  .evidence-grid { grid-template-columns: 1fr; }
  .visual-panel { position: static; }
}
@media (max-width: 640px) {
  .container { width: auto; margin-left: 14px; margin-right: 14px; }
  .nav-wrap { width: 100%; padding: 0 14px; gap: 10px; position: relative; }
  .brand-mark { width: 49px; height: 42px; flex: 0 0 auto; }
  .brand-copy strong { font-size: 16px; white-space: nowrap; }
  .brand-copy small { display: none; }
  .nav-toggle { right: 14px; flex: 0 0 auto; margin-left: auto; }
  .hero-copy h1, .page-hero h1, .product-hero h1 { max-width: 320px; font-size: 31px; line-height: 1.1; overflow-wrap: break-word; }
  .hero-copy p, .page-hero p, .product-hero p { max-width: 320px; font-size: 17px; }
  .hero-media { min-height: 270px; overflow: hidden; }
  .hero-media::before { inset: 18px 0 0 0; transform: none; }
  .hero-media img { width: 100%; }
  .category-grid, .category-detail-grid, .product-grid, .all-products, .resource-grid, .selection-grid, .related-grid, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .image-gallery { grid-template-columns: 1fr; }
  .image-gallery img { height: 230px; }
  .cta-actions { justify-content: flex-start; width: 100%; }
  .cta-actions .btn { width: 100%; }
  .cta-grid { flex-direction: column; align-items: flex-start; }
  .section { padding: 64px 0; }
  .product-image { height: 190px; }
}