/* ==========================================================
   reduktorsvarka.com — Стили
   ========================================================== */

:root{
  --blue:#0b4f94;
  --blue-d:#073a6e;
  --orange:#e8720c;
  --red:#c62828;
  --green:#1f7a4d;
  --ink:#172033;
  --gray:#5b6675;
  --line:#e3e8ef;
  --bg:#f5f7fa;
  --gold:#c9a24b;
  --shadow:0 6px 22px rgba(20,35,60,.10);
  --shadow-lg:0 14px 40px rgba(20,35,60,.16);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Roboto",sans-serif;
  color:var(--ink);line-height:1.65;font-size:16px;
  background:#fff;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:.2s}
a:hover{color:var(--orange)}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:70px 0}
.section-title{font-size:32px;font-weight:800;color:var(--blue-d);text-align:center;margin-bottom:14px;letter-spacing:.3px}
.section-desc{max-width:760px;margin:0 auto 44px;text-align:center;color:var(--gray);font-size:17px}

/* ============ CONTACT SIDEBAR ============ */
.contact-sidebar{
  position:fixed;right:0;top:50%;transform:translateY(-50%);
  z-index:100;display:flex;flex-direction:column;gap:8px;
}
.cs-icon{
  width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  color:#fff;position:relative;box-shadow:var(--shadow);
  transition:width .2s,transform .2s;
}
.cs-icon svg{width:24px;height:24px}
.cs-email{background:#c62828;border-radius:10px 0 0 0}
.cs-whatsapp{background:#25d366}
.cs-telegram{background:#229ed9;border-radius:0 0 0 10px}
.cs-icon:hover{width:64px}
.cs-tooltip{
  position:absolute;right:60px;top:50%;transform:translateY(-50%);
  background:var(--ink);color:#fff;font-size:13px;white-space:nowrap;
  padding:6px 12px;border-radius:6px;opacity:0;pointer-events:none;transition:.2s;
}
.cs-tooltip::after{
  content:"";position:absolute;right:-6px;top:50%;transform:translateY(-50%);
  border:6px solid transparent;border-left-color:var(--ink);
}
.cs-icon:hover .cs-tooltip{opacity:1}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 14px rgba(0,0,0,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 20px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--orange));
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:20px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:19px;color:var(--blue-d);letter-spacing:.3px}
.logo-text small{font-size:12px;color:var(--gray)}
.header-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.lang-switcher{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:8px}
.lang-btn{
  border:0;background:transparent;font-weight:700;font-size:13px;color:var(--gray);
  padding:5px 11px;border-radius:6px;cursor:pointer;transition:.2s;
}
.lang-btn:hover{color:var(--blue)}
.lang-btn.is-active{background:var(--blue);color:#fff}
.header-contacts{display:flex;gap:16px;font-size:14px;flex-wrap:wrap;justify-content:flex-end}
.header-contacts a{font-weight:700;color:var(--orange)}

.main-nav{background:linear-gradient(90deg,var(--blue-d),var(--blue));padding:0 20px}
.nav-inner{display:flex;gap:6px;flex-wrap:wrap}
.nav-inner a{
  color:#fff;font-weight:600;font-size:15px;padding:13px 16px;position:relative;
}
.nav-inner a::after{content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;background:var(--orange);transform:scaleX(0);transition:.2s}
.nav-inner a:hover::after{transform:scaleX(1)}

/* ============ HERO ============ */
.hero{background:linear-gradient(135deg,#eef4fb 0%,#f7fafd 100%);padding:60px 0 30px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.badge{
  display:inline-block;background:var(--orange);color:#fff;font-weight:700;font-size:13px;
  padding:6px 14px;border-radius:20px;margin-bottom:16px;
}
.hero h1{font-size:42px;font-weight:800;color:var(--blue-d);line-height:1.18;margin-bottom:18px}
.hero-sub{font-size:18px;color:var(--gray);margin-bottom:22px}
.hero-list{margin-bottom:28px}
.hero-list li{font-size:16px;margin-bottom:9px;display:flex;gap:10px;align-items:baseline}
.hero-list li span{color:var(--blue);font-weight:700}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-media img{border-radius:16px;box-shadow:var(--shadow-lg);border:6px solid #fff}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-weight:700;font-size:16px;cursor:pointer;
  border:0;transition:.2s;
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d);color:#fff;transform:translateY(-2px)}
.btn-whatsapp{background:#25d366;color:#fff}
.btn-whatsapp:hover{background:#1cb954;color:#fff}
.btn-telegram{background:#229ed9;color:#fff}
.btn-telegram:hover{background:#1684b8;color:#fff}
.btn-email{background:var(--red);color:#fff}
.btn-email:hover{background:#9e1f1f;color:#fff}
.btn-order{background:var(--orange);color:#fff;width:100%;margin-top:auto}
.btn-order:hover{background:#cf650c;color:#fff}
.btn-lg{padding:16px 34px;font-size:18px}

/* ============ PRODUCT GRID ============ */
.product-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.product-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow);transition:.25s;
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.product-tags{position:absolute;top:14px;left:14px;display:flex;gap:6px;z-index:2}
.tag{
  font-size:12px;font-weight:800;padding:4px 10px;border-radius:6px;color:#fff;
  background:rgba(11,79,148,.9);backdrop-filter:blur(2px);
}
.tag-blue{background:#0b4f94}.tag-gray{background:#5b6675}.tag-orange{background:#e8720c}
.tag-blue2{background:#1976c9}.tag-green{background:#1f7a4d}.tag-red{background:#c62828}
.product-image{position:relative;height:230px;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:14px}
.product-image img{max-height:100%;object-fit:contain;transition:.3s}
.product-card:hover .product-image img{transform:scale(1.05)}
.product-body{padding:20px;display:flex;flex-direction:column;flex:1}
.product-body h3{font-size:19px;color:var(--blue-d);margin-bottom:4px}
.product-model{font-size:13px;color:var(--gray);margin-bottom:12px}
.spec-list{margin-bottom:12px;font-size:14px;color:var(--ink)}
.spec-list li{padding:3px 0;border-bottom:1px dashed var(--line)}
.spec-list li:last-child{border:0}
.spec-list span{color:var(--orange);font-weight:700;margin-right:6px}
.product-desc{font-size:14px;color:var(--gray);margin-bottom:16px}
.product-card--feature{border:2px solid var(--orange);background:linear-gradient(180deg,#fff9f1,#fff)}

/* ============ WAREHOUSES ============ */
.section-warehouses{background:linear-gradient(180deg,#0b4f94,#073a6e);color:#fff}
.section-warehouses .section-title{color:#fff}
.section-warehouses .section-desc{color:#c7d8ec}
.city-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:34px}
.city-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:24px;backdrop-filter:blur(4px);transition:.2s;
}
.city-card:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.city-flag{font-size:30px}
.city-card h4{font-size:19px;margin:10px 0 6px}
.city-card p{font-size:14px;color:#c7d8ec}
.city-card--highlight{border-color:var(--orange);background:rgba(232,114,12,.18)}
.notice{
  background:rgba(255,255,255,.1);border-left:4px solid var(--orange);
  padding:18px 22px;border-radius:10px;font-size:15px;
}
.notice strong{color:#ffd9b0}

/* ============ ADVANTAGES ============ */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv-item{background:var(--bg);border-radius:14px;padding:26px;transition:.2s;border:1px solid transparent}
.adv-item:hover{background:#fff;border-color:var(--orange);box-shadow:var(--shadow)}
.adv-num{font-size:34px;font-weight:800;color:var(--orange);opacity:.5;line-height:1}
.adv-item h4{font-size:18px;color:var(--blue-d);margin:10px 0 6px}
.adv-item p{font-size:14px;color:var(--gray)}

/* ============ DELIVERY ============ */
.section-delivery{background:var(--bg)}
.delivery-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.delivery-text h2{font-size:30px;color:var(--blue-d);margin-bottom:24px}
.steps{list-style:none;counter-reset:s}
.steps li{position:relative;padding:0 0 22px 56px;counter-increment:s}
.steps li::before{
  content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;
  background:var(--orange);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.steps li::after{content:"";position:absolute;left:18px;top:40px;bottom:0;width:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps b{display:block;font-size:17px;color:var(--blue-d)}
.steps span{font-size:14px;color:var(--gray)}
.delivery-media img{border-radius:16px;box-shadow:var(--shadow-lg)}

/* ============ DOCS ============ */
.docs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.doc-card{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:18px;font-weight:600;transition:.2s;
}
.doc-card:hover{border-color:var(--blue);color:var(--blue);box-shadow:var(--shadow);transform:translateY(-3px)}
.doc-ico{font-size:26px}

/* ============ CTA ============ */
.section-cta{background:linear-gradient(135deg,var(--orange),#cf650c);color:#fff;text-align:center;padding:60px 0}
.section-cta h2{font-size:30px;margin-bottom:12px}
.section-cta p{font-size:17px;opacity:.95;margin-bottom:26px}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ CONTACTS ============ */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{
  background:var(--bg);border-radius:14px;padding:26px;text-align:center;transition:.2s;
}
.contact-card:hover{background:var(--blue);color:#fff;transform:translateY(-4px)}
.contact-card .cf{font-size:34px}
.contact-card h4{margin:8px 0;color:var(--blue-d);font-size:15px;text-transform:uppercase;letter-spacing:1px}
.contact-card:hover h4{color:#fff}
.contact-card a{display:block;font-weight:800;font-size:16px;word-break:break-all}
.contact-card p{font-size:14px;color:var(--gray)}
.contact-card:hover p{color:#dbe7f5}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:#c7d0dd;padding:54px 0 0}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px}
.logo--light .logo-text strong{color:#fff}
.logo--light .logo-text small{color:#9aa6b6}
.footer-about{font-size:14px;margin-top:14px;color:#9aa6b6}
.footer-col h5{color:#fff;font-size:16px;margin-bottom:14px}
.footer-col ul li{font-size:14px;padding:5px 0;color:#9aa6b6;cursor:default}
.footer-col ul li:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 20px;font-size:13px;color:#7f8b9c;display:flex;flex-direction:column;gap:6px}

/* ============ REVEAL ANIMATION ============ */
.product-card,.city-card,.adv-item,.doc-card,.contact-card,.section-title,.section-desc{
  opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease;
}
.product-card.is-visible,.city-card.is-visible,.adv-item.is-visible,
.doc-card.is-visible,.contact-card.is-visible,.section-title.is-visible,.section-desc.is-visible{
  opacity:1;transform:translateY(0);
}
.product-card:nth-child(2){transition-delay:.05s}
.product-card:nth-child(3){transition-delay:.1s}
.product-card:nth-child(4){transition-delay:.15s}
.product-card:nth-child(5){transition-delay:.2s}
.product-card:nth-child(6){transition-delay:.25s}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .product-grid,.adv-grid,.docs-grid{grid-template-columns:repeat(2,1fr)}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr}
  .hero-media{order:-1}
  .footer-inner{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .section{padding:48px 0}
  .section-title{font-size:25px}
  .hero h1{font-size:30px}
  .product-grid,.adv-grid,.docs-grid,.city-grid,.contact-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .header-inner{flex-direction:column;align-items:flex-start}
  .header-contacts{justify-content:flex-start}
  .delivery-inner{grid-template-columns:1fr;gap:26px}
  .contact-sidebar{top:auto;bottom:0;flex-direction:row;transform:none;width:100%;justify-content:space-around;background:rgba(255,255,255,.95);box-shadow:0 -2px 14px rgba(0,0,0,.12)}
  .cs-icon{width:56px;height:48px;border-radius:0}
  .cs-tooltip{display:none}
  .cs-icon:hover{width:56px}
}