:root {
  --ink: #17212b;
  --muted: #5c6670;
  --paper: #ffffff;
  --soft: #f4f1eb;
  --line: #d9dde0;
  --charcoal: #101923;
  --navy: #13202b;
  --teal: #0d766d;
  --teal-dark: #075e56;
  --copper: #8f551c;
  --copper-on-dark: #f0bd79;
  --steel: #314356;
  --shadow: 0 24px 70px rgba(16, 25, 35, 0.16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, Helvetica, sans-serif; line-height: 1.65; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 200; background: var(--ink); color: #fff; padding: .75rem 1rem; text-decoration: none; border-radius: 6px; }
.skip-link:focus { top: 1rem; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(217,221,224,.9); backdrop-filter: blur(16px); }
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; min-width: 0; }
.brand-mark { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; color: #fff; background: var(--teal); font-weight: 800; }
.brand-text { display: grid; line-height: 1.2; }
.brand-text strong { font-size: 1.05rem; }
.brand-text small { color: var(--muted); font-size: .78rem; }
.nav-panel { display: flex; align-items: center; gap: 1.25rem; }
.nav-panel a { text-decoration: none; color: var(--steel); font-weight: 700; font-size: .95rem; }
.nav-panel a:hover, .nav-panel a[aria-current="page"] { color: var(--teal); }
.nav-panel .lang-switch { min-width: 48px; min-height: 38px; display: inline-flex; align-items: center; justify-content: center; padding: .45rem .72rem; border: 1px solid var(--line); border-radius: 999px; color: var(--teal-dark); background: #fff; font-weight: 900; }
.nav-panel .lang-switch:hover { color: #fff; background: var(--teal); border-color: var(--teal); }
.nav-panel .nav-cta { min-height: 44px; padding: .72rem 1rem; color: #fff; background: var(--teal); border-radius: 6px; }
.nav-panel .nav-cta:hover { color: #fff; background: var(--teal-dark); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 20px; height: 2px; margin: 5px auto; background: currentColor; border-radius: 99px; }
.hero { position: relative; min-height: 650px; color: #fff; overflow: hidden; display: grid; align-items: center; }
.hero-media, .hero-overlay { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { background: linear-gradient(90deg, rgba(12,20,29,.92), rgba(12,20,29,.66) 52%, rgba(12,20,29,.26)), linear-gradient(0deg, rgba(12,20,29,.25), rgba(12,20,29,.1)); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 3rem; align-items: end; padding: 5rem 0; }
.eyebrow, .section-label { margin: 0 0 .7rem; color: var(--copper); font-size: .82rem; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.hero .eyebrow, .section-dark .section-label { color: var(--copper-on-dark); }
.hero h1 { max-width: 840px; margin: 0; font-size: 3.3rem; line-height: 1.08; letter-spacing: 0; }
.lead { max-width: 720px; margin: 1.25rem 0 0; color: rgba(255,255,255,.9); font-size: 1.12rem; }
.action-row { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; border-radius: 6px; padding: .78rem 1.15rem; font-weight: 800; text-decoration: none; border: 1px solid transparent; cursor: pointer; }
.btn-primary { color: #fff; background: var(--teal); }
.btn-primary:hover { background: var(--teal-dark); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.08); }
.btn-muted { color: var(--ink); background: var(--soft); border-color: var(--line); }
.hero-panel { border: 1px solid rgba(255,255,255,.24); background: rgba(10,18,26,.56); padding: 1.35rem; box-shadow: var(--shadow); }
.hero-panel strong { display: block; margin-bottom: 1rem; color: #fff; }
.hero-panel dl { display: grid; gap: .85rem; margin: 0; }
.hero-panel div { padding: .85rem 0; border-top: 1px solid rgba(255,255,255,.18); }
.hero-panel dt { font-size: 1.7rem; font-weight: 800; line-height: 1; }
.hero-panel dd { margin: .25rem 0 0; color: rgba(255,255,255,.8); }
.section { padding: 5rem 0; }
.section-soft { background: var(--soft); }
.section-dark { color: #fff; background: var(--navy); }
.section-line { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 2rem; }
.section-head h2, .split h2, .quote-box h2 { margin: 0; font-size: 2.4rem; line-height: 1.15; }
.section-head p:not(.section-label), .section-lead, .rich-text p, .quote-box p { color: var(--muted); margin: .85rem 0 0; }
.section-dark .section-lead, .section-dark .section-head p:not(.section-label) { color: rgba(255,255,255,.78); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items: start; }
.rich-text { font-size: 1.02rem; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.product-card { background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 36px rgba(16,25,35,.08); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card a { display: grid; color: inherit; text-decoration: none; height: 100%; }
.product-card img { width: 100%; height: 230px; object-fit: cover; }
.product-card-body { padding: 1.25rem; }
.product-card-body span, .feature-item span { color: var(--copper); font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.product-card h3, .feature-item h3 { margin: .35rem 0 .5rem; font-size: 1.22rem; line-height: 1.25; }
.product-card p, .feature-item p, .benefit p, .faq-list p { margin: 0; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.feature-item { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; align-items: center; background: #fff; border: 1px solid var(--line); padding: 1rem; }
.feature-item img { width: 120px; height: 96px; object-fit: cover; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 36px rgba(16,25,35,.08); }
.spec-table th, .spec-table td { padding: 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec-table th { width: 32%; background: #eef2f3; color: var(--steel); }
.benefit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.benefit { min-height: 150px; padding: 1.35rem; background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--copper); }
.benefit strong { color: var(--teal); font-size: 1.7rem; }
.step-list { margin: 0; padding: 0; list-style: none; display: grid; gap: .85rem; }
.step-list li { display: grid; grid-template-columns: 54px 1fr; gap: 1rem; align-items: center; padding: 1rem; background: #fff; border: 1px solid var(--line); }
.step-list span { width: 54px; height: 54px; display: inline-flex; align-items: center; justify-content: center; background: var(--navy); color: #fff; font-weight: 800; }
.section-dark .step-list li { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.section-dark .step-list span { background: #fff; color: var(--teal-dark); }
.link-grid { display: flex; flex-wrap: wrap; gap: .7rem; }
.link-grid a, .text-link { display: inline-flex; align-items: center; min-height: 42px; padding: .65rem .9rem; border: 1px solid var(--line); background: #fff; color: var(--ink); text-decoration: none; font-weight: 800; border-radius: 6px; }
.text-link { margin-top: 1rem; }
.media-pair, .gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; }
.media-pair img, .gallery-grid img { width: 100%; height: 230px; object-fit: cover; border: 1px solid rgba(255,255,255,.15); }
.gallery-grid img { border-color: var(--line); }
.faq-list { display: grid; gap: .8rem; }
.faq-list details { background: #fff; border: 1px solid var(--line); padding: 1rem 1.2rem; }
.faq-list summary { cursor: pointer; font-weight: 800; }
.quote-section { background: linear-gradient(135deg, #f8f6f1, #eef4f3); }
.quote-box { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2rem; align-items: center; padding: 2rem; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.quote-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
.quote-form label { display: grid; gap: .35rem; color: var(--steel); font-weight: 800; font-size: .9rem; }
.quote-form input, .quote-form select { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 6px; padding: .65rem .75rem; font: inherit; }
.quote-form .btn { width: 100%; }
.floating-contact { position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 90; display: grid; gap: .65rem; }
.floating-contact a { width: 52px; height: 52px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; color: #fff; text-decoration: none; font-weight: 900; box-shadow: 0 14px 36px rgba(16,25,35,.24); }
.float-wa { background: #0b6f43; }
.float-tel { background: #b74116; }
.site-footer { padding: 2.2rem 0; background: #0c141d; color: rgba(255,255,255,.78); }
.footer-grid { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.footer-grid strong { color: #fff; }
.footer-grid p { margin: .25rem 0 0; }
.footer-grid nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-grid a { color: #fff; text-decoration: none; }
[data-reveal] { opacity: 1; transform: none; }
@media (max-width: 980px) {
  .hero-grid, .split, .quote-box { grid-template-columns: 1fr; }
  .hero-panel { max-width: 560px; }
  .product-grid, .feature-grid, .benefit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .nav { min-height: 66px; }
  .brand-text small { display: none; }
  .nav-toggle { display: block; }
  .nav-panel { position: absolute; left: 0; right: 0; top: 66px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1rem 1rem; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav-panel.is-open { display: flex; }
  .nav-panel a { padding: .85rem 0; border-bottom: 1px solid var(--line); }
  .nav-panel .lang-switch { width: 100%; min-height: 44px; margin-top: .75rem; border-radius: 6px; border-bottom: 1px solid var(--line); }
  .nav-panel .nav-cta { margin-top: .75rem; text-align: center; padding: .8rem 1rem; border-bottom: 0; }
  .hero { min-height: 620px; }
  .hero-overlay { background: rgba(12,20,29,.7); }
  .hero-grid { padding: 4rem 0 3rem; gap: 1.5rem; }
  .hero h1 { max-width: 22rem; font-size: 2.1rem; line-height: 1.12; }
  .lead { max-width: 22rem; font-size: 1rem; }
  .action-row { display: grid; max-width: 22rem; }
  .section { padding: 3.5rem 0; }
  .section-head h2, .split h2, .quote-box h2 { font-size: 1.8rem; }
  .product-grid, .feature-grid, .benefit-grid, .quote-form, .media-pair, .gallery-grid { grid-template-columns: 1fr; }
  .feature-item { grid-template-columns: 1fr; }
  .feature-item img { width: 100%; height: 190px; }
  .spec-table, .spec-table tbody, .spec-table tr, .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { border-bottom: 0; }
  .quote-box { padding: 1.25rem; }
  .floating-contact { right: .75rem; bottom: .75rem; }
  .floating-contact a { width: 48px; height: 48px; }
}
