:root{
  --primary:#115E67;
  --primary-dark:#0C474E;
  --primary-soft:#E7F1F2;
  --accent:#E8622C;
  --accent-dark:#CC4E1E;
  --ink:#1E2A2C;
  --muted:#5B6B6E;
  --bg:#F4F8F9;
  --line:#E1E9EB;
  --white:#fff;
  --radius:10px;
  --shadow:0 6px 20px rgba(17,94,103,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);line-height:1.55;background:var(--white)}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;color:var(--primary-dark)}
h1{font-size:2.1rem}
h2{font-size:1.7rem}
.page{padding:38px 0 60px}
.page-intro{max-width:820px;color:var(--muted);margin-bottom:28px}

/* Header */
.site-header{background:var(--white);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;gap:24px;padding:14px 20px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700}
.logo-text{font-size:20px;font-weight:800;color:var(--primary-dark);display:flex;flex-direction:column;line-height:1.1}
.logo-text span{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.4px}
.top-contacts{margin-left:auto;text-align:right}
.top-contacts .phone{font-size:18px;font-weight:700;color:var(--ink)}
.top-contacts .hours{display:block;font-size:12px;color:var(--muted)}
.main-nav{background:var(--primary)}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.main-nav a{display:block;padding:14px 16px;color:#DFF0F2;font-weight:600}
.main-nav a:hover,.main-nav a.active{background:var(--primary-dark);color:#fff}
.nav-toggle{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}

/* Buttons */
.btn{display:inline-block;padding:13px 22px;border-radius:var(--radius);font-weight:700;border:0;cursor:pointer;font-size:15px;text-align:center}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-block{width:100%}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary) 0%, #176f7a 55%, var(--primary-dark) 100%);color:#fff;padding:64px 0}
.hero .container{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{color:#fff;font-size:2.5rem}
.hero .lead{font-size:1.15rem;color:#DFF0F2;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.hero-actions .btn-accent{background:#fff;color:var(--primary-dark)}
.hero-actions .btn-accent:hover{background:var(--primary-soft);color:var(--primary-dark)}
.hero-actions .btn-primary{background:transparent;border:1px solid rgba(255,255,255,.7);color:#fff}
.hero-actions .btn-primary:hover{background:rgba(255,255,255,.15);color:#fff}
.trust-line{font-size:12px;color:var(--muted);margin:.6em 0 0}
.hero .trust-line{color:#CFE4E7}
.usp-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);padding:22px;height:100%}
.usp-card .num{font-size:2rem;font-weight:800;color:#fff}
.usp-card p{color:#DFF0F2;margin:4px 0 0}

/* Sections */
.section{padding:56px 0}
.section.alt{background:var(--bg)}
.section-head{text-align:center;max-width:760px;margin:0 auto 34px}
.section-head p{color:var(--muted)}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.card p{color:var(--muted);font-size:15px}
.card-img{height:150px;background:var(--primary-soft);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--primary);font-weight:600}

/* Category cards / product cards */
.cat-card{display:block;color:inherit}
.cat-card:hover{transform:translateY(-3px)}
.product-card h3{font-size:1.1rem}
.product-card .meta{font-size:13px;color:var(--muted);margin-bottom:8px}
.product-card ul{list-style:none;padding:0;margin:0 0 14px;font-size:14px;color:var(--muted)}
.product-card ul li{padding:3px 0}
.product-card ul li::before{content:"✓ ";color:var(--accent);font-weight:700}

/* Breadcrumbs */
.breadcrumbs ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;font-size:13px;color:var(--muted)}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:#B7C6C9}

/* Forms */
.lead-form h3{margin-top:0}
.form-note{color:var(--muted);margin-bottom:16px}
.field{display:block;margin-bottom:12px}
.field input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:var(--radius);font-size:15px}
.field input:focus{outline:2px solid var(--primary);border-color:var(--primary)}
.consent{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);margin:4px 0 16px}
.consent input{margin-top:2px}

/* Why us */
.why-list{list-style:none;margin:0;padding:0}
.why-list li{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--primary-dark)}
.why-list li strong{color:var(--primary-dark)}

/* Catalog nav */
.catalog-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:32px}
.catalog-nav a{background:var(--primary-soft);color:var(--primary-dark);border-radius:var(--radius);padding:16px;font-weight:700;text-align:center;font-size:13px}
.catalog-nav a:hover{background:var(--primary);color:#fff}
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.img-grid figure{margin:0;text-align:center;border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.img-grid img{width:100%;height:120px;object-fit:contain}
.img-grid figcaption{font-size:12px;color:var(--muted);margin-top:8px}

/* Accordion / FAQ */
details{margin-bottom:10px;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;background:#fff}
summary{cursor:pointer;font-weight:700;color:var(--primary-dark)}
details p{margin:.7em 0 0;color:var(--muted)}

/* Footer */
.site-footer{background:var(--primary-dark);color:#C9E0E3;padding:44px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.site-footer h4{color:#fff}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:#C9E0E3}
.site-footer a:hover{color:#fff}
.site-footer p{margin:.2em 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.2);margin-top:28px;padding-top:18px;font-size:12px;color:#9DBEC2}

/* Cookie banner */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px rgba(0,0,0,.18);padding:16px 18px;display:none;z-index:1000;gap:16px;align-items:center;flex-wrap:wrap}
.cookie-banner p{margin:0;flex:1 1 60%;font-size:14px;color:var(--muted)}
.cookie-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.cookie-banner.show{display:flex}
.cookie-actions a{font-size:13px}

/* Floating CTA */
.float-cta{position:fixed;right:16px;bottom:16px;z-index:900;display:none}
.float-cta a{display:inline-block;background:var(--accent);color:#fff;padding:14px 18px;border-radius:50px;font-weight:700;box-shadow:var(--shadow)}

@media (max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .catalog-nav{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .hero .container{grid-template-columns:1fr}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .nav-toggle{display:block;margin-left:auto}
  .main-nav{display:none}
  .main-nav.open{display:block}
  .top-contacts{display:none}
  .topbar .btn{display:none}
  h1{font-size:1.7rem}
  .hero h1{font-size:1.8rem}
}

/* SEO text blocks on category pages */
.seo-text {
  padding: 44px 0;
  border-top: 1px solid rgba(0,0,0,.06);
}
.seo-text h2 {
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 16px;
  color: var(--text, #14202e);
}
.seo-text h3 {
  font-size: 17px;
  margin: 24px 0 12px;
  color: var(--text, #14202e);
}
.seo-text p {
  margin: 0 0 12px;
  line-height: 1.65;
  color: var(--muted, #5c6873);
  max-width: 820px;
}
.seo-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 860px;
}
.seo-keywords li {
  background: rgba(0,0,0,.04);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 13px;
  color: var(--text, #14202e);
}