:root{
  --c-primary:#0a2540;
  --c-primary-2:#123a66;
  --c-accent:#e63946;
  --c-accent-dark:#c81b1b;
  --c-bg:#ffffff;
  --c-bg-soft:#f6f9fc;
  --c-bg-dark:#0a2540;
  --c-text:#1a202c;
  --c-text-soft:#4a5568;
  --c-border:#e2e8f0;
  --radius:14px;
  --shadow-sm:0 2px 8px rgba(10,37,64,.06);
  --shadow:0 12px 40px rgba(10,37,64,.10);
  --shadow-lg:0 24px 60px rgba(10,37,64,.18);
  --font-sans:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif;
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);color:var(--c-text);background:var(--c-bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{font-family:var(--font-sans);color:var(--c-primary);line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;letter-spacing:-.01em}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ===== Top bar ===== */
.topbar{background:var(--c-primary);color:#cbd5e0;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:16px;flex-wrap:wrap}
.topbar a{color:#cbd5e0}
.topbar a:hover{color:#fff}
.topbar .info{display:flex;gap:18px;flex-wrap:wrap}
.topbar .info span{display:inline-flex;gap:6px;align-items:center}
.lang-switch a{padding:2px 8px;border-radius:6px}
.lang-switch a.active{background:var(--c-accent);color:#fff}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--c-border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:24px}
.logo{display:inline-flex;align-items:center}
.logo img{height:54px;width:auto}
.menu{display:flex;gap:6px;list-style:none;padding:0;margin:0;flex-wrap:wrap}
.menu a{display:inline-block;padding:10px 14px;font-weight:600;color:var(--c-primary);border-radius:8px;font-size:.97rem}
.menu a:hover,.menu a.active{background:var(--c-bg-soft);color:var(--c-accent)}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;background:var(--c-accent);color:#fff;border-radius:999px;font-weight:700;border:none;cursor:pointer;font-size:.95rem;transition:transform .15s ease,box-shadow .2s ease,background .2s}
.btn:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(230,57,70,.35)}
.btn.ghost{background:transparent;color:var(--c-primary);border:2px solid var(--c-border)}
.btn.ghost:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn.dark{background:var(--c-primary)}
.btn.dark:hover{background:var(--c-primary-2)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--c-primary);margin:5px 0;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Banner (new product) ===== */
.banner-promo{background:linear-gradient(90deg,var(--c-accent),var(--c-accent-dark));color:#fff;padding:10px 16px;text-align:center;font-weight:600;font-size:.95rem;display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap}
.banner-promo a{color:#fff;text-decoration:underline}
.banner-promo .close{background:rgba(255,255,255,.18);border:none;color:#fff;width:26px;height:26px;border-radius:50%;cursor:pointer;font-weight:700}

/* ===== Hero ===== */
.hero{position:relative;background:radial-gradient(1200px 600px at 90% -10%,rgba(230,57,70,.10),transparent),linear-gradient(135deg,#0a2540 0%,#123a66 100%);color:#fff;overflow:hidden;padding:90px 0 110px}
.hero::before{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'><circle cx='1' cy='1' r='1' fill='%23ffffff' opacity='.06'/></svg>");pointer-events:none}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 span{color:var(--c-accent);background:linear-gradient(135deg,#ff5a6a,#e63946);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:1.15rem;color:#cbd5e0;max-width:600px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;max-width:520px}
.hero-stats .stat strong{display:block;font-size:1.9rem;color:#fff;font-weight:800}
.hero-stats .stat span{color:#a0aec0;font-size:.85rem}
.hero-visual{position:relative;display:flex;justify-content:center}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:32px;backdrop-filter:blur(10px);box-shadow:var(--shadow-lg);width:100%;max-width:380px}
.hero-card .badge{display:inline-block;padding:4px 12px;background:var(--c-accent);border-radius:999px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.hero-card h3{color:#fff;margin:16px 0 8px;font-size:1.25rem}
.hero-card p{color:#cbd5e0;font-size:.95rem}
.hero-card ul{list-style:none;padding:0;margin:16px 0 0}
.hero-card li{padding:8px 0;color:#e2e8f0;font-size:.92rem;display:flex;align-items:center;gap:10px}
.hero-card li::before{content:"";width:18px;height:18px;background:var(--c-accent);border-radius:50%;flex-shrink:0;display:inline-block;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'><path d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>");background-size:14px;background-repeat:no-repeat;background-position:center}

/* ===== Sections ===== */
section{padding:80px 0}
.section-soft{background:var(--c-bg-soft)}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head .eyebrow{display:inline-block;color:var(--c-accent);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;margin-bottom:12px}
.section-head p{color:var(--c-text-soft);font-size:1.05rem}

/* ===== Grid cards ===== */
.grid{display:grid;gap:28px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:30px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#fde2e4,#fff);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--c-accent)}
.card .icon svg{width:28px;height:28px}
.card h3{margin-bottom:8px}
.card p{color:var(--c-text-soft);font-size:.96rem;margin:0}

/* ===== Category cards (BTP / Labo) ===== */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.cat-card{position:relative;overflow:hidden;border-radius:20px;min-height:320px;background:var(--c-primary);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:36px;box-shadow:var(--shadow)}
.cat-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,37,64,.2) 0%,rgba(10,37,64,.92) 100%);z-index:1}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .6s}
.cat-card:hover img{transform:scale(1.06)}
.cat-card .inner{position:relative;z-index:2}
.cat-card h3{color:#fff;font-size:1.6rem;margin:0 0 10px}
.cat-card p{color:#cbd5e0;margin:0 0 18px;font-size:.95rem}
.cat-card .more{color:#fff;font-weight:700;display:inline-flex;align-items:center;gap:8px}
.cat-card .more::after{content:"→";transition:transform .2s}
.cat-card:hover .more::after{transform:translateX(4px)}

/* ===== Products list ===== */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}
.product:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.product .thumb{aspect-ratio:4/3;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product:hover .thumb img{transform:scale(1.05)}
.product .body{padding:20px}
.product .tag{display:inline-block;background:#edf2f7;color:var(--c-primary);padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600;margin-bottom:8px}
.product .tag.new{background:var(--c-accent);color:#fff}
.product h3{font-size:1.05rem;margin:6px 0}
.product p{color:var(--c-text-soft);font-size:.9rem;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product .link{font-weight:700;color:var(--c-accent);font-size:.9rem}

/* ===== Filters ===== */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;justify-content:center}
.filters button{background:#fff;border:1px solid var(--c-border);padding:10px 18px;border-radius:999px;cursor:pointer;font-weight:600;color:var(--c-primary);transition:all .15s}
.filters button.active,.filters button:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ===== Testimonials ===== */
.testi{background:#fff;padding:32px;border-radius:var(--radius);border:1px solid var(--c-border);position:relative}
.testi::before{content:"\201C";position:absolute;top:-10px;left:24px;font-size:5rem;color:var(--c-accent);font-family:Georgia,serif;line-height:1}
.testi p{font-style:italic;color:var(--c-text);font-size:1rem;margin:14px 0 18px}
.testi .author{display:flex;align-items:center;gap:12px}
.testi .avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.testi strong{display:block;color:var(--c-primary)}
.testi small{color:var(--c-text-soft)}

/* ===== CTA strip ===== */
.cta-strip{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;border-radius:20px;padding:50px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-strip h2{color:#fff;margin:0 0 8px}
.cta-strip p{color:#cbd5e0;margin:0;max-width:520px}

/* ===== Forms ===== */
.form{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow-sm)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:block;font-weight:600;color:var(--c-primary);margin:14px 0 6px;font-size:.92rem}
.form input,.form textarea,.form select{width:100%;padding:12px 14px;border:1px solid var(--c-border);border-radius:10px;font:inherit;color:var(--c-text);background:#fff;transition:border-color .15s,box-shadow .15s}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(10,37,64,.10)}
.form textarea{min-height:140px;resize:vertical}
.form-msg{padding:12px 16px;border-radius:10px;margin-top:14px;font-weight:600;display:none}
.form-msg.ok{background:#d1fae5;color:#065f46;display:block}
.form-msg.err{background:#fee2e2;color:#991b1b;display:block}

/* ===== Product detail ===== */
.prod-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.prod-detail .gallery img{width:100%;border-radius:var(--radius);border:1px solid var(--c-border)}
.prod-detail .info h1{font-size:2rem}
.prod-detail .specs{margin-top:24px;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden}
.prod-detail .specs table{width:100%;border-collapse:collapse}
.prod-detail .specs td{padding:12px 16px;border-bottom:1px solid var(--c-border);font-size:.95rem}
.prod-detail .specs tr:last-child td{border-bottom:none}
.prod-detail .specs td:first-child{font-weight:600;color:var(--c-primary);background:var(--c-bg-soft);width:40%}
.breadcrumb{display:flex;gap:8px;color:var(--c-text-soft);font-size:.88rem;margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:var(--c-text-soft)}

/* ===== Footer ===== */
footer{background:var(--c-primary);color:#cbd5e0;padding:64px 0 24px;margin-top:0}
footer h4{color:#fff;margin-bottom:18px;font-size:1rem;text-transform:uppercase;letter-spacing:.06em}
footer .grid-foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
footer a{color:#cbd5e0;display:block;padding:5px 0;font-size:.93rem}
footer a:hover{color:#fff}
footer .brand p{font-size:.92rem;color:#a0aec0;margin-top:16px;max-width:340px}
footer .bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:#718096}

/* ===== WhatsApp floating ===== */
.wa-float{position:fixed;right:22px;bottom:22px;width:60px;height:60px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 32px rgba(37,211,102,.45);z-index:80;animation:pulse 2.2s infinite;transition:transform .15s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}
.wa-tooltip{position:fixed;right:90px;bottom:36px;background:#fff;color:var(--c-primary);padding:10px 16px;border-radius:10px;font-weight:600;font-size:.9rem;box-shadow:var(--shadow);z-index:79;display:none}
.wa-float:hover + .wa-tooltip{display:block}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero{padding:60px 0 80px}
  .hero .container{grid-template-columns:1fr;gap:40px}
  .hero-stats{margin-top:32px}
  .grid-3,.grid-4,.products{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .prod-detail{grid-template-columns:1fr;gap:30px}
  footer .grid-foot{grid-template-columns:1fr 1fr}
  .cta-strip{padding:32px;flex-direction:column;text-align:center}
  .form .row{grid-template-columns:1fr}
}
@media (max-width:680px){
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;border-bottom:1px solid var(--c-border);padding:14px;box-shadow:var(--shadow);gap:4px}
  .menu.open{display:flex}
  .menu a{display:block;padding:12px 16px;width:100%}
  .burger{display:block}
  .nav-cta .btn{display:none}
  .site-header .nav{position:relative}
  .grid-3,.grid-4,.products,.grid-2{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:12px}
  .hero-stats .stat strong{font-size:1.3rem}
  section{padding:56px 0}
  footer .grid-foot{grid-template-columns:1fr}
}