:root{
  --ink:#122a38; --ink-2:#33505f; --muted:#5f7482;
  --bg:#ffffff; --bg-soft:#f4f8fa; --line:#dde7ec;
  --navy:#0e4a68; --navy-deep:#093249; --teal:#17a2b5; --blue:#2d5cae;
  --primary:#0e4a68; --primary-dark:#093249; --accent:#17a2b5;
--cta:#0d7d8d; --cta-dark:#0a6675;
  --radius:10px; --shadow:0 10px 30px rgba(9,50,73,.10);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-serif:Georgia,"Times New Roman",Times,serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
h1,h2{font-family:var(--font-serif);color:var(--navy)}
h1,h2,h3,h4{line-height:1.22;font-weight:700;letter-spacing:.005em}
h1{font-size:clamp(2rem,4.5vw,3.2rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.12rem}
p{color:var(--ink-2)}
.muted{color:var(--muted)}
.kicker{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:.6rem}
section{padding:64px 0}
.section-head{max-width:680px;margin-bottom:36px}
.section-head p{margin-top:.5rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.brand-bar{height:3px;background:linear-gradient(90deg,var(--teal),var(--blue) 55%,var(--navy))}
.logo{display:flex;align-items:center;flex:0 0 auto;max-width:46%}
.logo img{height:50px;width:auto;max-height:100%;display:block}
.logo-footer{display:inline-flex;margin-bottom:16px}
.logo-footer img{height:58px}
.main-nav{display:flex;align-items:center;gap:26px;font-weight:600;font-size:.95rem}
.main-nav>a,.dropdown>a{padding:8px 0;color:var(--ink-2)}
.main-nav a.active,.main-nav a:hover{color:var(--primary)}
.dropdown{position:relative}
.dropdown-menu{position:absolute;top:100%;left:-14px;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:10px;list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translateY(4px)}
.dropdown-menu li a{display:block;padding:8px 12px;border-radius:8px;color:var(--ink-2);font-weight:500}
.dropdown-menu li a:hover{background:var(--bg-soft);color:var(--primary)}
.nav-toggle,.nav-burger{display:none}

/* buttons */
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;transition:.18s;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:var(--cta-dark);color:#fff}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink)}
.nav-cta{padding:10px 22px}
/* these must out-rank ".main-nav>a{color:var(--ink-2)}" or the label goes dark-on-dark */
.main-nav a.nav-cta,.main-nav a.nav-cta:hover,.main-nav a.nav-cta.active{color:#fff}
.main-nav a.nav-cta{background:var(--cta);box-shadow:0 2px 10px rgba(13,125,141,.30)}
.main-nav a.nav-cta:hover{background:var(--cta-dark);box-shadow:0 4px 14px rgba(13,125,141,.40)}
.btn-whatsapp{background:#25D366;color:#fff}
.btn-whatsapp:hover{background:#1eb457}
.btn-block{display:block;width:100%;text-align:center}

/* hero */
.hero{background:radial-gradient(1200px 600px at 85% -10%,rgba(23,162,181,.22),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(45,92,174,.20),transparent 60%),linear-gradient(160deg,#0a3a54,#093249 60%,#0e2536);color:#fff;padding:96px 0 104px}
.hero .kicker{color:#6fd3e0}
.hero h1{color:#fff}
.hero p.lead{font-size:1.15rem;color:#c3d6e0;max-width:640px;margin:1.2rem 0 2rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:56px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:1.8rem;letter-spacing:-.02em}
.hero-stats span{color:#8fb0c2;font-size:.9rem}
.hero-stats b{color:#6fd3e0}

/* page hero (inner pages) */
.page-hero{background:linear-gradient(120deg,var(--bg-soft),#fff);border-bottom:1px solid var(--line);padding:64px 0 48px}
.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.breadcrumbs a:hover{color:var(--primary)}
.page-hero p.lead{font-size:1.08rem;max-width:760px;margin-top:1rem}
.photo-hero{background-size:cover;background-position:center;border-bottom:none;padding:92px 0 76px}
.photo-hero h1{color:#fff}
.photo-hero p.lead{color:#cfe0ea}
.photo-hero .kicker{color:#6fd3e0}
.photo-hero .breadcrumbs{color:#a9c6d6}
.photo-hero .breadcrumbs a{color:#cfe0ea}
.photo-hero .breadcrumbs a:hover{color:#fff}

/* cards */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s;position:relative}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card h3{margin:.6rem 0 .4rem}
.card p{font-size:.92rem;color:var(--muted)}
.card-link{display:inline-block;margin-top:12px;font-weight:700;font-size:.88rem;color:var(--primary)}
.card-media{position:relative;overflow:hidden;border-radius:8px;background:var(--bg-soft);aspect-ratio:3/2}
.card-img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.6,.2,1)}
.card:hover .card-img{transform:scale(1.045)}
.product-card,.industry-card{padding:14px 14px 22px}
.product-card h3,.product-card p,.product-card .card-link,
.industry-card h3,.industry-card p,.industry-card .card-link{padding:0 8px}
.card-icon{width:54px;height:54px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(23,162,181,.12),rgba(14,74,104,.12));color:var(--navy)}
.card-icon .icon{width:30px;height:30px}
.industry-card .card-media::after{content:"";position:absolute;inset:auto 0 0 0;height:38%;background:linear-gradient(to top,rgba(9,50,73,.45),transparent)}
.soft{background:var(--bg-soft)}

/* product detail page: gallery + configurator */
.product-top{padding:40px 0 56px}
.product-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.gallery-main{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-soft)}
.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumbs img{width:76px;height:76px;object-fit:cover;border-radius:10px;border:2px solid var(--line);cursor:pointer;transition:.15s}
.thumbs img:hover{border-color:var(--muted)}
.thumbs img.active{border-color:var(--primary)}
.config-panel h1{font-size:clamp(1.5rem,2.6vw,2.1rem);margin:.4rem 0 .6rem}
.config-panel .short{color:var(--muted);margin-bottom:1.4rem}
.config-panel .field{margin-bottom:14px}
.config-panel label{display:block;font-weight:600;font-size:.88rem;margin-bottom:5px}
.config-panel select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink)}
.config-panel select:focus{outline:2px solid var(--primary);border-color:transparent}
.size-inputs{display:flex;align-items:center;gap:10px}
.size-inputs input{flex:1 1 0;min-width:0;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink)}
.size-inputs input:focus{outline:2px solid var(--primary);border-color:transparent}
.size-x{color:var(--muted);font-weight:600}
.size-unit{color:var(--muted);font-size:.9rem;font-weight:600;flex:0 0 auto}
.price-box{background:var(--bg-soft);border:1px dashed #cbd5e1;border-radius:12px;padding:16px 18px;margin:20px 0}
.price-box b{font-size:1.15rem}
.price-box small{display:block;color:var(--muted);margin-top:4px}
.config-actions{display:grid;gap:10px}

/* feature list / why us */
.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature{padding:22px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.feature b{display:block;margin-bottom:.35rem}
.feature p{font-size:.9rem;color:var(--muted)}
.checklist{list-style:none;display:grid;gap:12px}
.checklist li{padding-left:30px;position:relative;color:var(--ink-2)}
.checklist li::before{content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;background:var(--primary);
  -webkit-mask:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"%3E%3Cpath d="M20 6 9 17l-5-5"/%3E%3C/svg%3E') center/100% no-repeat, linear-gradient(#000,#000);
  mask:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"%3E%3Cpath d="M20 6 9 17l-5-5"/%3E%3C/svg%3E') center/70% no-repeat}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}

/* spec table */
.spec-table{width:100%;border-collapse:collapse;font-size:.94rem;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.spec-table th,.spec-table td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.spec-table th{width:34%;background:var(--bg-soft);font-weight:700;color:var(--ink)}
.spec-table td{color:var(--ink-2)}
.spec-notes{list-style:none;margin-top:14px;display:grid;gap:7px}
.spec-notes li{position:relative;padding-left:18px;font-size:.86rem;color:var(--muted);line-height:1.55}
.spec-notes li::before{content:"";position:absolute;left:4px;top:9px;width:5px;height:5px;border-radius:50%;background:var(--teal)}

/* product usage list on industry pages */
.usage-list{display:grid;gap:16px}
.usage-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;transition:.2s}
.usage-item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.usage-item .card-icon{flex:0 0 54px}
.usage-item h3 a{color:var(--ink)} .usage-item h3 a:hover{color:var(--primary)}
.usage-item p{font-size:.92rem;color:var(--muted);margin-top:2px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.chip{display:inline-block;padding:7px 15px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);font-size:.85rem;font-weight:600;color:var(--ink-2);transition:.15s}
.chip:hover{border-color:var(--primary);color:var(--primary)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);counter-increment:step}
.step::before{content:"0" counter(step);font-size:1.6rem;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--primary);display:block;margin-bottom:8px}
.step b{display:block;margin-bottom:.3rem}
.step p{font-size:.9rem;color:var(--muted)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--navy),var(--navy-deep) 55%,#0e2536);color:#fff;padding:64px 0}
.cta-inner{text-align:center;max-width:720px}
.cta-inner h2{color:#fff}
.cta-inner p{color:#b7d3e2;margin:.8rem 0 1.6rem}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info li{list-style:none;display:flex;gap:14px;margin-bottom:18px;color:var(--ink-2)}
.contact-info b{display:block;color:var(--ink)}
.contact-info .dot{flex:0 0 12px;width:12px;height:12px;border-radius:50%;margin-top:7px}
form .field{margin-bottom:16px}
form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
form input,form select,form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink)}
form input:focus,form select:focus,form textarea:focus{outline:2px solid var(--primary);border-color:transparent}
.form-note{font-size:.85rem;color:var(--muted);margin-top:10px}

/* footer */
.site-footer{background:#0e2536;color:#9db8c6;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1fr;gap:40px;padding-bottom:44px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:9px;font-size:.9rem}
.site-footer a:hover{color:#fff}
.site-footer p{color:#9db8c6;font-size:.92rem}
.logo-footer{color:#fff;margin-bottom:14px}
.footer-contact{margin-top:16px;line-height:1.9}
.two-col{columns:2;column-gap:24px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 22px;font-size:.85rem}

/* whatsapp fab */
.whatsapp-fab{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:60;transition:.2s}
.whatsapp-fab:hover{transform:scale(1.08)}
.whatsapp-fab svg{width:30px;height:30px}

/* responsive */
@media (max-width:960px){
  .grid-3,.grid-4,.feature-row,.steps{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid,.product-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-burger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px;z-index:70}
  .nav-burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.2s}
  .header-inner{height:66px}
.logo img{height:42px}
.main-nav{position:fixed;inset:70px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 26px 28px;gap:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-130%);transition:.25s;max-height:calc(100vh - 70px);overflow-y:auto;width:100%}
  .nav-toggle:checked ~ .main-nav{transform:translateY(0)}
  .nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:4px 0 0 14px;display:none}
  .dropdown:focus-within .dropdown-menu{display:block}
  .hero{padding:64px 0 72px}
  .hero-stats{gap:28px}
  section{padding:48px 0}
}
@media (max-width:520px){
  .grid-3,.grid-4,.feature-row,.steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}