/* ============== Base ============== */
:root{
  --primary:#0aa6b8;
  --primary-dark:#067a89;
  --primary-light:#e6f7f9;
  --accent:#1e5f74;
  --bg:#ffffff;
  --bg-soft:#f7fbfc;
  --text:#1a2a33;
  --text-soft:#566873;
  --border:#e4edf0;
  --shadow:0 6px 24px rgba(10,166,184,.08);
  --shadow-lg:0 14px 40px rgba(10,166,184,.14);
  --radius:14px;
  --radius-sm:8px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

h1,h2,h3,h4{color:var(--accent);font-weight:700;line-height:1.2}
h1{font-size:clamp(2rem,4vw,3rem)}
h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:1rem}
h3{font-size:1.25rem;margin-bottom:.6rem}
p{color:var(--text-soft);margin-bottom:1rem}

/* ============== Top Bar ============== */
.topbar{
  background:var(--accent);
  color:#fff;
  font-size:.875rem;
  padding:8px 0;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.topbar a{color:#fff}
.topbar a:hover{color:#a8e9f0}
.topbar-info{display:flex;gap:20px;flex-wrap:wrap}
.topbar-info span{display:inline-flex;align-items:center;gap:6px}

/* ============== Header / Nav ============== */
.header{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
  box-shadow:0 1px 0 rgba(0,0,0,.02);
}
.header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;padding-bottom:14px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--accent);font-size:1.2rem}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;
  box-shadow:var(--shadow);
}
.logo small{display:block;font-size:.7rem;color:var(--text-soft);font-weight:500;letter-spacing:.5px}

.nav{display:flex;gap:28px}
.nav a{color:var(--text);font-weight:500;font-size:.95rem;position:relative;padding:6px 0}
.nav a.active,
.nav a:hover{color:var(--primary)}
.nav a.active::after,
.nav a:hover::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);border-radius:2px;
}

.nav-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:none;cursor:pointer;width:32px;height:32px;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:2px;background:var(--accent);border-radius:2px;transition:.2s}

/* ============== Buttons ============== */
.btn{
  display:inline-block;padding:12px 22px;border-radius:10px;
  font-weight:600;font-size:.95rem;border:none;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s,background .2s;
  text-align:center;line-height:1.2;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-outline{background:transparent;color:var(--primary-dark);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:8px 14px;font-size:.85rem}
.btn-lg{padding:16px 32px;font-size:1.05rem}

/* ============== Hero ============== */
.hero{
  background:
    radial-gradient(1200px 400px at 100% 0%,rgba(10,166,184,.12),transparent 60%),
    linear-gradient(180deg,#f7fbfc 0%,#ffffff 100%);
  padding:70px 0 80px;
  border-bottom:1px solid var(--border);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{margin-bottom:20px}
.hero h1 span{color:var(--primary)}
.hero p.lead{font-size:1.1rem;color:var(--text-soft);margin-bottom:28px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-trust{display:flex;gap:30px;flex-wrap:wrap}
.hero-trust div{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--text-soft)}
.hero-trust strong{color:var(--accent);font-size:1.4rem;font-weight:800;display:block}

.hero-visual{
  position:relative;
  background:linear-gradient(135deg,var(--primary-light),#fff);
  border-radius:24px;padding:30px;
  box-shadow:var(--shadow-lg);
  aspect-ratio:1.05/1;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.hero-device{
  width:80%;
  max-height:90%;
  object-fit:contain;
  filter:drop-shadow(0 20px 40px rgba(10,166,184,.25));
}
.hero-badge{
  position:absolute;background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow);font-size:.85rem;font-weight:600;color:var(--accent);
  display:flex;align-items:center;gap:10px;
}
.hero-badge.b1{top:24px;left:24px}
.hero-badge.b2{bottom:24px;right:24px}
.hero-badge .dot{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.2)}

/* ============== Sections ============== */
section{padding:70px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 50px}
.section-head .eyebrow{
  display:inline-block;color:var(--primary);font-weight:600;letter-spacing:1px;font-size:.85rem;
  text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{margin-bottom:14px}

/* ============== Categories ============== */
.cats{background:var(--bg-soft)}
.cats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px;transition:transform .2s,box-shadow .25s;
  position:relative;overflow:hidden;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.cat-icon{
  width:54px;height:54px;border-radius:12px;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary-dark);
}
.cat-card h3{margin-bottom:8px}
.cat-card .arrow{
  position:absolute;right:20px;top:24px;color:var(--primary);opacity:.4;transition:.2s;
}
.cat-card:hover .arrow{opacity:1;transform:translateX(4px)}

/* ============== Advantages ============== */
.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv{
  text-align:center;padding:24px 16px;
}
.adv-num{
  font-size:2.5rem;font-weight:800;color:var(--primary);
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:8px;line-height:1;
}
.adv h3{font-size:1.05rem;margin-bottom:6px}
.adv p{font-size:.9rem}

/* ============== Products / Catalog ============== */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-img{
  background:linear-gradient(135deg,var(--primary-light),#fff);
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.product-img svg{width:60%;height:auto;filter:drop-shadow(0 10px 20px rgba(10,166,184,.18))}
.product-img img{max-width:80%;max-height:92%;width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(10,166,184,.18))}
.product-gallery img{max-width:90%;max-height:92%;width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 20px 40px rgba(10,166,184,.25))}
.product-tag{
  position:absolute;top:14px;left:14px;background:var(--primary);color:#fff;
  font-size:.72rem;font-weight:700;padding:5px 10px;border-radius:20px;letter-spacing:.5px;
}
.product-tag.hit{background:#ff6b6b}
.product-tag.new{background:#22c55e}
.product-body{padding:22px;flex:1;display:flex;flex-direction:column}
.product-cat{font-size:.75rem;color:var(--primary);font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:6px}
.product-body h3{font-size:1.1rem;margin-bottom:10px}
.product-specs{
  list-style:none;padding:0;margin:0 0 18px 0;font-size:.85rem;color:var(--text-soft);
}
.product-specs li{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--border)}
.product-specs li:last-child{border-bottom:none}
.product-specs li b{color:var(--accent);font-weight:600}
.product-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--border)}
.product-price{font-size:1.25rem;font-weight:800;color:var(--accent)}
.product-price small{display:block;font-size:.7rem;color:var(--text-soft);font-weight:500}

/* ============== Filters (catalog page) ============== */
.catalog-layout{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:flex-start}
.filters{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;position:sticky;top:90px;
}
.filters h4{font-size:.95rem;color:var(--accent);margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.filter-group{margin-bottom:24px}
.filter-group label{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:.92rem;color:var(--text);cursor:pointer}
.filter-group input[type=checkbox]{accent-color:var(--primary)}
.price-range{display:flex;gap:8px;margin-top:8px}
.price-range input{
  width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:.85rem;
}
.catalog-toolbar{
  display:flex;justify-content:space-between;align-items:center;
  background:#fff;padding:14px 18px;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:24px;
}
.catalog-toolbar select{
  padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:.9rem;
}

/* ============== Product Detail ============== */
.product-detail{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;margin-bottom:50px}
.product-gallery{
  background:linear-gradient(135deg,var(--primary-light),#fff);
  border-radius:var(--radius);padding:40px;aspect-ratio:1/1;
  display:flex;align-items:center;justify-content:center;
}
.product-gallery svg{width:75%;filter:drop-shadow(0 20px 40px rgba(10,166,184,.25))}
.product-info h1{font-size:2rem;margin-bottom:14px}
.product-info .badges{display:flex;gap:8px;margin-bottom:16px}
.badge{padding:5px 12px;border-radius:20px;font-size:.75rem;font-weight:600;letter-spacing:.5px}
.badge-primary{background:var(--primary-light);color:var(--primary-dark)}
.badge-success{background:#dcfce7;color:#166534}
.product-info .price-block{
  background:var(--bg-soft);border-radius:12px;padding:24px;margin:24px 0;
}
.price-big{font-size:2.4rem;font-weight:800;color:var(--accent);line-height:1}
.price-old{color:var(--text-soft);text-decoration:line-through;margin-left:10px;font-size:1.1rem}
.price-note{font-size:.85rem;color:var(--text-soft);margin-top:6px}
.product-cta{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.spec-table{
  width:100%;border-collapse:collapse;margin-top:30px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
.spec-table td{padding:14px 18px;border-bottom:1px solid var(--border);font-size:.92rem}
.spec-table tr:last-child td{border-bottom:none}
.spec-table td:first-child{color:var(--text-soft);width:40%}
.spec-table td:last-child{color:var(--accent);font-weight:600}

.tabs{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  margin-top:40px;overflow:hidden;
}
.tabs-nav{display:flex;border-bottom:1px solid var(--border);background:var(--bg-soft)}
.tabs-nav button{
  flex:1;padding:16px 20px;border:none;background:none;cursor:pointer;
  font-weight:600;color:var(--text-soft);font-size:.95rem;border-bottom:2px solid transparent;transition:.2s;
}
.tabs-nav button.active{color:var(--primary);border-bottom-color:var(--primary);background:#fff}
.tabs-content{padding:30px}
.tabs-pane{display:none}
.tabs-pane.active{display:block}
.tabs-pane h3{margin-bottom:14px;margin-top:18px}
.tabs-pane h3:first-child{margin-top:0}
.tabs-pane ul{padding-left:20px;color:var(--text-soft);margin-bottom:14px}
.tabs-pane li{margin-bottom:6px}

/* ============== About page ============== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-img{
  background:linear-gradient(135deg,var(--primary-light),#fff);
  border-radius:var(--radius);aspect-ratio:1/1;
  display:flex;align-items:center;justify-content:center;padding:30px;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:50px}
.stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 20px;text-align:center;
}
.stat-num{font-size:2.4rem;font-weight:800;color:var(--primary);line-height:1;margin-bottom:6px}
.stat-label{font-size:.9rem;color:var(--text-soft)}

.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.timeline-step{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 22px;position:relative;
}
.timeline-step .step-num{
  width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px;
}

/* ============== Contacts / Form ============== */
.contacts-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px;
  margin-bottom:18px;display:flex;gap:18px;align-items:flex-start;
}
.contact-icon{
  width:48px;height:48px;border-radius:12px;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;color:var(--primary-dark);flex-shrink:0;
}
.contact-card h4{color:var(--accent);margin-bottom:4px;font-size:1rem}
.contact-card p{margin:0;font-size:.95rem}
.contact-card a{color:var(--primary-dark);font-weight:600}

.form{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;
  box-shadow:var(--shadow);
}
.form h3{margin-bottom:6px}
.form > p{margin-bottom:24px;font-size:.92rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--accent);margin-bottom:6px}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;
  font-size:.95rem;font-family:inherit;background:var(--bg-soft);transition:.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 4px rgba(10,166,184,.12);
}
.form-group textarea{resize:vertical;min-height:110px}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--text-soft);margin-bottom:18px}
.form-check input{margin-top:4px;accent-color:var(--primary)}
.form-success{
  display:none;background:#dcfce7;border:1px solid #86efac;color:#166534;
  padding:14px 18px;border-radius:10px;font-weight:500;margin-top:14px;
}

/* ============== CTA Banner ============== */
.cta-banner{
  background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
  color:#fff;border-radius:24px;padding:50px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 200px at 80% 0%,rgba(255,255,255,.15),transparent);
  pointer-events:none;
}
.cta-banner h2{color:#fff;margin-bottom:14px}
.cta-banner p{color:rgba(255,255,255,.9);max-width:580px;margin:0 auto 26px}
.cta-banner .btn-primary{background:#fff;color:var(--accent)}
.cta-banner .btn-primary:hover{background:#fff;color:var(--primary-dark)}

/* ============== Footer ============== */
.footer{background:var(--accent);color:#cfe7ec;padding:50px 0 24px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer h5{color:#fff;margin-bottom:16px;font-size:1rem;text-transform:uppercase;letter-spacing:.5px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:8px}
.footer a{color:#cfe7ec;font-size:.92rem}
.footer a:hover{color:#fff}
.footer-logo{color:#fff;font-weight:700;font-size:1.2rem;margin-bottom:14px;display:flex;gap:10px;align-items:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:20px;
  text-align:center;font-size:.85rem;color:rgba(207,231,236,.7);
}

/* ============== Page Hero (small) ============== */
.page-hero{
  background:
    radial-gradient(800px 300px at 90% 0%,rgba(10,166,184,.1),transparent 60%),
    linear-gradient(180deg,var(--bg-soft),#fff);
  padding:60px 0 40px;
  border-bottom:1px solid var(--border);
}
.breadcrumbs{font-size:.85rem;color:var(--text-soft);margin-bottom:14px}
.breadcrumbs a{color:var(--text-soft)}
.breadcrumbs a:hover{color:var(--primary)}

/* ============== Language Switcher ============== */
.lang-switch{display:inline-flex;gap:2px;background:rgba(255,255,255,.12);border-radius:6px;padding:2px;margin-left:14px}
.lang-switch button{
  background:none;border:none;color:#fff;cursor:pointer;
  padding:3px 8px;font-size:.78rem;font-weight:600;border-radius:4px;
  letter-spacing:.5px;text-transform:uppercase;transition:.15s;
}
.lang-switch button:hover{background:rgba(255,255,255,.12)}
.lang-switch button.active{background:#fff;color:var(--accent)}

/* ============== WhatsApp Float ============== */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:200;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;color:#fff;
  display:flex;align-items:center;jus