:root{
  --ink:#141816; --green:#143b2b; --green2:#0c291e; --gold:#c9b36d;
  --paper:#f4f5f1; --muted:#657068; --line:#d9ded8; --white:#fff;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}
a{color:inherit;text-decoration:none} img{display:block;width:100%}
button,input,textarea{font:inherit}.wrap{width:min(1240px,calc(100% - 40px));margin:auto}
.topbar{background:#0d1712;color:#fff;font-size:13px}.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
.top-actions{display:flex;align-items:center;gap:10px}.top-actions a{font-weight:600}.divider{opacity:.5}
.lang{border:0;background:none;color:#fff;padding:2px 4px;cursor:pointer;opacity:.7}.lang.active{opacity:1;font-weight:800}
.site-header{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid #eee}
.header-inner{height:88px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:14px;margin-right:auto}.brand-mark{width:56px;height:56px;display:block;background:url('../images/logo-arb-circle.png') center/contain no-repeat;flex:0 0 auto}
.brand strong{display:block;font-size:24px;letter-spacing:.045em}.brand small{display:block;font-size:10px;letter-spacing:.3em;color:#657068;margin-top:4px}
.nav{display:flex;gap:30px;font-weight:700}.nav a:hover{color:var(--green)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 25px;text-transform:uppercase;font-weight:800;font-size:13px;letter-spacing:.02em;border:1px solid transparent;cursor:pointer}
.btn-dark{background:var(--green);color:#fff}.btn-gold{background:var(--gold);color:#111}.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:rgba(10,20,15,.18)}
.menu-toggle{display:none;border:0;background:none;font-size:28px}
.hero{position:relative;min-height:510px;background:url('../images/hero-villa.jpg') center center/cover no-repeat;color:#fff;display:flex;align-items:center;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,14,10,.64) 0%,rgba(5,14,10,.34) 44%,rgba(5,14,10,.02) 76%)}
.hero-content{position:relative;padding:74px 0;z-index:2}
.eyebrow{text-transform:uppercase;font-size:13px;font-weight:800;letter-spacing:.23em;color:#eadb9d;margin:0 0 18px}.eyebrow.dark{color:var(--green)}
.hero h1{font-size:60px;line-height:1.02;text-transform:uppercase;max-width:850px;margin:0 0 22px;letter-spacing:-.03em}
.hero-copy{font-size:19px;line-height:1.55;max-width:720px;margin:0 0 30px}.hero-actions{display:flex;gap:14px}
.benefits{border-bottom:1px solid var(--line);background:#fff}.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.benefits article{min-height:86px;display:flex;align-items:center;gap:17px;padding:18px 25px;border-right:1px solid var(--line)}
.benefits article:last-child{border-right:0}.benefits article>span{font-size:25px}.benefits b,.benefits small{display:block}.benefits b{text-transform:uppercase;font-size:14px}.benefits small{color:var(--muted);margin-top:5px}
.section{padding:92px 0}.products-section{background:var(--paper)}.section-heading{margin-bottom:35px}.section-heading.split{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:50px}
.section-heading h2,.supply h2,.landscape-cta h2,.contact h2{font-size:44px;line-height:1.05;margin:0;text-transform:uppercase;letter-spacing:-.025em}
.section-heading>p,.section-heading.split>p{color:var(--muted);font-size:17px;line-height:1.65;max-width:650px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid #e2e5df;box-shadow:0 8px 28px rgba(25,35,28,.06);display:flex;flex-direction:column}
.product-card img{height:275px;object-fit:cover;background:#ddd}.product-body{padding:24px;display:flex;flex-direction:column;flex:1}
.product-body h3{margin:0 0 8px;font-size:20px;text-transform:uppercase}.product-body>p{margin:0 0 14px;color:var(--muted);font-weight:700}
.chips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}.chips span{background:#edf0ea;padding:7px 9px;font-size:12px;font-weight:700}
.product-body .desc{font-weight:400;line-height:1.55;font-size:14px}.text-link{margin-top:auto;padding-top:12px;color:var(--green);font-weight:800}
.price-block{margin-top:14px;padding:12px 14px;background:var(--paper);border:1px solid var(--line)}
.price-main{font-size:20px;font-weight:800;color:var(--green)}.price-main .unit{font-size:13px;font-weight:700;color:var(--muted)}
.price-cond{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.02em}
.price-note{margin:6px 0 0;font-size:12px;line-height:1.5;color:var(--muted);font-weight:400}
.color-group-heading{grid-column:1/-1;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);border-top:1px solid var(--line);padding-top:26px;margin-top:8px}
.color-group-heading:first-child{border-top:0;padding-top:0;margin-top:0}
.code{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.05em;color:#fff;background:var(--green);padding:3px 9px;margin-bottom:10px;text-transform:uppercase}
.frac-note{color:var(--muted);font-weight:700;font-style:italic}
.product-card img.img-fit{object-fit:contain;background:#3a2e26}
.applications{background:#fff}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:250px;gap:14px}
.gallery-grid figure{margin:0;position:relative;overflow:hidden;background:#ddd}.gallery-grid .wide{grid-column:span 2}.split-gallery{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.split-gallery .split-image{min-width:0;overflow:hidden}
.split-gallery .split-image img{height:100%;object-fit:cover}

.gallery-grid img{height:100%;object-fit:cover;transition:.35s}.gallery-grid figure:hover img{transform:scale(1.035)}
.gallery-grid figcaption{position:absolute;left:14px;bottom:14px;background:rgba(9,22,15,.84);color:#fff;padding:9px 12px;font-weight:700;font-size:13px}
.supply{background:#eef1ec}.supply-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}.supply-image img{height:560px;object-fit:cover}
.supply-copy p{font-size:17px;line-height:1.65;color:var(--muted)}.supply-copy ul{padding-left:18px;line-height:2;margin:25px 0 30px}
.landscape-cta{background:var(--green2);color:#fff;padding:58px 0}.landscape-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.landscape-inner h2{font-size:34px;max-width:780px}.landscape-inner p{max-width:780px;line-height:1.55;color:#d6dfd8}
.contact{background:#fff}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.contact-grid>div>p{color:var(--muted);line-height:1.65}
.contact-lines{display:grid;gap:13px;margin-top:28px;font-weight:700}.contact form{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.contact label{display:grid;gap:7px;font-size:13px;font-weight:700}.contact input,.contact textarea{width:100%;border:1px solid #ccd2cc;padding:13px;background:#fafbf9}
.full{grid-column:1/-1}.form-note{font-size:12px;color:var(--muted);margin:0}
footer{background:#0d1712;color:#fff;padding:35px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:13px}
.footer-brand{margin:0}.footer-brand .brand-mark{width:44px;height:44px}.footer-brand strong{font-size:16px}.footer-brand small{color:#aaa}
@media(max-width:980px){
  .desktop-quote{display:none}.nav{display:none;position:absolute;top:88px;left:0;right:0;background:#fff;padding:25px 20px;flex-direction:column;border-top:1px solid #eee}.nav.open{display:flex}.menu-toggle{display:block}
  .hero h1{font-size:48px}.benefits-grid{grid-template-columns:repeat(2,1fr)}.benefits article:nth-child(2){border-right:0}
  .product-grid{grid-template-columns:repeat(2,1fr)}.gallery-grid{grid-template-columns:repeat(2,1fr)}.supply-grid,.contact-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .wrap{width:min(100% - 28px,1240px)}.topbar-inner{height:auto;min-height:42px;gap:10px}.topbar-inner>span{font-size:11px}.top-actions a,.divider{display:none}
  .header-inner{height:76px}.brand strong{font-size:18px}.brand small{font-size:8px}.brand-mark{width:46px;height:38px}
  .nav{top:76px}.hero{min-height:570px;background-position:62% center}.hero-overlay{background:linear-gradient(90deg,rgba(5,14,10,.64),rgba(5,14,10,.24))}
  .hero-content{padding:65px 0}.hero h1{font-size:41px}.hero-copy{font-size:16px}.hero-actions{flex-direction:column;align-items:flex-start}
  .benefits-grid,.product-grid{grid-template-columns:1fr}.benefits article{border-right:0;border-bottom:1px solid var(--line)}
  .section{padding:65px 0}.section-heading.split{grid-template-columns:1fr;gap:10px}.section-heading h2,.supply h2,.contact h2{font-size:34px}
  .product-card img{height:260px}.gallery-grid{grid-template-columns:1fr;grid-auto-rows:240px}.gallery-grid .wide{grid-column:auto}.split-gallery{grid-template-columns:1fr 1fr}

  .supply-image img{height:390px}.landscape-inner{align-items:flex-start;flex-direction:column}.landscape-inner h2{font-size:29px}
  .contact form{grid-template-columns:1fr}.full{grid-column:auto}.footer-inner{flex-direction:column;text-align:center}
}