:root{
  --navy:#0b1220;
  --steel:#1e293b;
  --steel-2:#334155;
  --accent:#f97316;
  --accent-dark:#ea580c;
  --gold:#fbbf24;
  --bg:#f8fafc;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --wa:#25d366;
  --radius:16px;
  --shadow:0 10px 30px -12px rgba(15,23,42,.25);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:84px 0}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.section-title{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.section-head{max-width:680px;margin-bottom:40px}
.section-head p{color:var(--muted);margin-top:10px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-weight:700;font-size:.95rem;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -8px rgba(249,115,22,.7)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{filter:brightness(.93);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-sm{padding:9px 16px;font-size:.85rem;border-radius:10px}

/* Header */
header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff}
.logo-img{height:44px;width:auto;max-width:120px;object-fit:contain;display:block}
.logo-text strong{display:block;font-size:1.05rem;line-height:1.1;font-weight:800}
.logo-text span{font-size:.68rem;color:#94a3b8;letter-spacing:.04em}
.nav-links{display:flex;gap:6px;list-style:none}
.nav-links a{color:#cbd5e1;font-size:.92rem;font-weight:500;padding:8px 14px;border-radius:8px;transition:.2s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-cta{display:flex;align-items:center;gap:14px}
.phone{color:#fff;font-weight:600;font-size:.92rem}
.burger{display:none;background:none;color:#fff;font-size:1.6rem;line-height:1}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(11,18,32,.92) 0%,rgba(11,18,32,.75) 50%,rgba(11,18,32,.45) 100%)}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(249,115,22,.15);border:1px solid rgba(249,115,22,.5);color:#fdba74;padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:600;margin-bottom:22px}
.hero h1{font-size:clamp(2.2rem,5.4vw,4rem);font-weight:800;line-height:1.08;letter-spacing:-.03em;max-width:780px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{margin-top:20px;max-width:620px;font-size:1.08rem;color:#cbd5e1}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:54px;padding-top:30px;border-top:1px solid rgba(255,255,255,.15)}
.stat b{display:block;font-size:2rem;font-weight:800;color:var(--gold);line-height:1}
.stat span{font-size:.85rem;color:#94a3b8}

/* Cement banner */
.cement{padding:0}
.cement-card{display:grid;grid-template-columns:1.1fr 1fr;background:linear-gradient(120deg,var(--navy),var(--steel));border-radius:24px;overflow:hidden;color:#fff;box-shadow:var(--shadow);margin-top:-60px;position:relative;z-index:5}
.cement-info{padding:44px}
.tag{display:inline-block;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:4px 12px;border-radius:6px;margin-bottom:14px}
.cement-info h3,.cement-info h2{font-size:2rem;font-weight:800;line-height:1.2}
.cement-info p{color:#cbd5e1;margin:8px 0 22px}
.prices{display:flex;gap:14px;margin-bottom:26px;flex-wrap:wrap}
.price-pill{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:12px 18px}
.price-pill small{display:block;color:#94a3b8;font-size:.75rem}
.price-pill b{font-size:1.3rem;color:var(--gold)}
.cement-media{position:relative;min-height:280px}

/* Rotator (auto-rotating images) */
.rotator{position:relative;overflow:hidden;background:#e2e8f0}
.rotator img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .8s ease,transform 1.2s ease;transform:scale(1.04)}
.rotator img.active{opacity:1;transform:scale(1)}
.dots{position:absolute;bottom:10px;left:0;right:0;display:flex;justify-content:center;gap:6px;z-index:3}
.dots button{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.55);padding:0;transition:.2s}
.dots button.on{background:#fff;width:22px;border-radius:6px}

/* Products */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{background:#fff;border:1px solid var(--border);color:var(--steel-2);padding:9px 20px;border-radius:999px;font-weight:600;font-size:.9rem;transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cbd5e1}
.card .rotator{aspect-ratio:4/3}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.cat{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent)}
.card h3{font-size:1.1rem;font-weight:700}
.card p{color:var(--muted);font-size:.88rem;flex:1}
.card .btn{margin-top:12px;width:100%}
.hidden{display:none!important}

/* Variant dropdown cards */
.mwrap{position:relative}
.opts{position:absolute;top:12px;right:12px;z-index:4;background:rgba(11,18,32,.88);color:#fff;font-size:.7rem;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.04em}
.var{display:grid;gap:5px;margin-top:8px;font-size:.72rem;font-weight:700;color:var(--steel-2);text-transform:uppercase;letter-spacing:.08em}
.var select{font:inherit;font-size:.9rem;font-weight:600;text-transform:none;letter-spacing:0;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);cursor:pointer;width:100%}
.var select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(249,115,22,.15)}
.price-line{display:flex;align-items:baseline;gap:6px;margin-top:10px}
.price{font-size:1.2rem;font-weight:800;color:var(--accent-dark)}
.unit{font-size:.82rem;color:var(--muted)}
.spec{font-size:.78rem;color:var(--muted);min-height:1.2em;flex:0 0 auto!important}
.mabati{background:#f8fafc}
.card .desc{min-height:2.6em}

/* Tanks */
.tanks{background:linear-gradient(180deg,#eef2f7,var(--bg))}
.tank-card .rotator{aspect-ratio:1/1;background:#f1f5f9}
.tank-card .rotator img{object-fit:contain;padding:14px}
.offer{position:absolute;top:12px;left:12px;z-index:4;background:var(--accent);color:#fff;font-size:.7rem;font-weight:700;padding:4px 10px;border-radius:6px;text-transform:uppercase;letter-spacing:.06em}
.tank-brand{font-size:.78rem;color:var(--muted);font-weight:600}
.tank-size{font-size:1.25rem;font-weight:800}
.tank-price{font-size:1.15rem;font-weight:800;color:var(--accent-dark)}
.tank-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}
.perks{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;font-weight:600;color:var(--steel-2)}
.perks span::before{content:"✓";color:var(--accent);font-weight:800;margin-right:8px}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-img{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.about-img img{width:100%;height:100%;object-fit:cover}
.about p{color:var(--muted);margin-top:16px}
.about p strong{color:var(--text)}

/* Why */
.why{background:var(--navy);color:#fff}
.why .section-head p{color:#94a3b8}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.why-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:26px;transition:.25s}
.why-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.icon{width:46px;height:46px;border-radius:12px;background:rgba(249,115,22,.18);display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px}
.why-card h3{font-size:1.05rem;margin-bottom:4px}
.why-card p{color:#94a3b8;font-size:.9rem}

/* Testimonials */
.t-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
.t-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.stars{color:var(--gold);letter-spacing:2px;margin-bottom:12px}
.t-card p{color:var(--steel-2);font-style:italic}
.who{display:flex;align-items:center;gap:12px;margin-top:20px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--gold));display:grid;place-items:center;font-weight:800;color:#0b1220;font-size:.85rem}
.who b{display:block;font-size:.95rem}
.who span{font-size:.8rem;color:var(--muted)}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.g-item{border-radius:14px;overflow:hidden;aspect-ratio:4/3;cursor:zoom-in;background:#e2e8f0}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.g-item:hover img{transform:scale(1.07)}
.lightbox{position:fixed;inset:0;background:rgba(2,6,23,.92);z-index:100;display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-height:90vh;max-width:94vw;border-radius:12px}

/* Contact */
.contact{background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.info-list{display:grid;gap:14px;margin:28px 0}
.info{display:flex;gap:14px;align-items:flex-start;background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:16px 18px}
.info .icon{margin:0;flex-shrink:0}
.info small{color:var(--muted);display:block;font-size:.78rem}
.info b{font-size:1rem}
form{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:30px;display:grid;gap:16px}
form h3{font-size:1.2rem}
label{font-size:.83rem;font-weight:600;color:var(--steel-2);display:grid;gap:6px}
input,textarea{font:inherit;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;outline:none;transition:.2s}
input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(249,115,22,.15)}
textarea{min-height:110px;resize:vertical}

/* Footer */
footer{background:var(--navy);color:#94a3b8;padding:60px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
footer h4{color:#fff;margin-bottom:14px;font-size:.95rem}
footer ul{list-style:none;display:grid;gap:8px;font-size:.9rem}
footer a:hover{color:var(--accent)}
footer p{font-size:.9rem;margin-top:14px;max-width:340px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:.85rem;font-weight:700;color:#fff}
.socials a:hover{background:var(--accent);color:#fff}
.copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:22px;font-size:.82rem}

/* Floating WhatsApp */
.fab{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;font-size:1.6rem;box-shadow:0 10px 25px -6px rgba(37,211,102,.7);transition:.2s}
.fab:hover{transform:scale(1.08)}
.phone-fab{bottom:92px;background:var(--navy);box-shadow:0 10px 25px -6px rgba(11,18,32,.7)}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .nav-links{position:absolute;top:68px;left:0;right:0;background:var(--navy);flex-direction:column;padding:12px 20px 20px;gap:2px;display:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links.open{display:flex}
  .burger{display:block}
  .phone{display:none}
  .cement-card,.about-grid,.contact-grid{grid-template-columns:1fr}
  .cement-media{min-height:230px;order:-1}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  section{padding:64px 0}
}
@media(max-width:520px){
  .gallery-grid{grid-template-columns:1fr 1fr;gap:10px}
  .cement-info{padding:28px 22px}
  .stats{gap:26px}
}

/* ---------- SEO / content pages ---------- */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.page-hero{background:linear-gradient(120deg,var(--navy),var(--steel));color:#fff;padding:112px 0 54px}
.page-hero h1{font-size:clamp(1.9rem,4.4vw,3rem);font-weight:800;line-height:1.12;letter-spacing:-.02em;max-width:860px}
.page-hero p{margin-top:14px;max-width:760px;color:#cbd5e1;font-size:1.05rem}
.page-hero .hero-actions{margin-top:24px}
.crumbs{font-size:.85rem;color:#94a3b8;margin-bottom:16px}
.crumbs a{color:#fdba74}
.crumbs a:hover{text-decoration:underline}
.content{padding:56px 0}
.content.alt{background:#fff}
.prose{max-width:860px}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:800;line-height:1.25;letter-spacing:-.01em;margin:0 0 12px}
.prose h3{font-size:1.1rem;margin:22px 0 6px}
.prose p{color:var(--steel-2);margin:0 0 14px}
.prose ul{margin:0 0 14px 20px;color:var(--steel-2)}
.prose li{margin-bottom:6px}
.prose a:not(.btn){color:var(--accent-dark);font-weight:600;text-decoration:underline}
.tablewrap{overflow-x:auto;border:1px solid var(--border);border-radius:14px;background:#fff;margin:16px 0 6px}
.ptable{width:100%;border-collapse:collapse;font-size:.92rem;min-width:560px}
.ptable thead th{background:var(--navy);color:#fff;text-align:left;padding:12px 14px;font-weight:600;white-space:nowrap}
.ptable tbody th{text-align:left;font-weight:700;padding:11px 14px;border-top:1px solid var(--border)}
.ptable td{padding:11px 14px;border-top:1px solid var(--border);color:var(--steel-2);vertical-align:middle}
.ptable td.p{font-weight:800;color:var(--accent-dark);white-space:nowrap}
.ptable tbody tr:nth-child(even){background:#f8fafc}
.ptable .btn{padding:6px 12px;font-size:.8rem;border-radius:8px}
.updated{font-size:.82rem;color:var(--muted);margin:8px 0 0}
.faq{max-width:860px}
.faq details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
.faq .ans{margin-top:10px;color:var(--steel-2)}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.guide-card{display:block;background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;transition:.25s}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd5e1}
.guide-card h3{font-size:1.15rem;margin-bottom:6px}
.guide-card p{color:var(--muted);font-size:.9rem;margin-bottom:12px}
.guide-card span{color:var(--accent-dark);font-weight:700;font-size:.9rem}
.cta-box{background:linear-gradient(120deg,var(--navy),var(--steel));color:#fff;border-radius:20px;padding:32px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;margin-top:30px}
.cta-box h2{font-size:1.4rem;margin:0}
.cta-box p{color:#cbd5e1;margin:4px 0 0}
.areas{color:var(--muted);font-size:.92rem}