/* ===== ВІДЕФЛОУ — B2B wholesale site ===== */
:root{
  --navy:#0e2a47;
  --navy-2:#12395f;
  --ink:#1a2634;
  --muted:#5b6b7d;
  --line:#e5eaf0;
  --bg:#ffffff;
  --bg-muted:#f4f7fb;
  --accent:#2e9bd6;
  --accent-dark:#1f7fb4;
  --radius:14px;
  --shadow:0 10px 30px rgba(14,42,71,.08);
  --maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:10px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-dark)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--block{width:100%}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(14,42,71,.98);backdrop-filter:blur(6px)}
.header__inner{display:flex;align-items:center;gap:24px;height:70px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800}
.logo__mark{
  width:36px;height:36px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#5cc0f2);color:#04263c;font-weight:800;font-size:15px;letter-spacing:.5px;
}
.logo__text{font-size:19px;letter-spacing:.5px}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:#cdd9e6;font-size:15px;font-weight:500;transition:.2s}
.nav a:hover{color:#fff}
.header__cta{padding:10px 18px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:#fff;transition:.25s}
.burger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-active span:nth-child(2){opacity:0}
.burger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{
  background:radial-gradient(1200px 500px at 80% -20%,rgba(46,155,214,.35),transparent 60%),
             linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);
  color:#fff;padding:76px 0 88px;
}
.hero__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;
  color:#8fd0f2;background:rgba(46,155,214,.14);border:1px solid rgba(46,155,214,.35);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:44px;line-height:1.12;margin:0 0 18px;font-weight:800;letter-spacing:-.5px}
.hero__lead{font-size:18px;color:#cfdcea;max-width:560px;margin:0 0 28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero__stats{list-style:none;display:flex;gap:36px;margin:0;padding:24px 0 0;border-top:1px solid rgba(255,255,255,.12)}
.hero__stats strong{display:block;font-size:28px;font-weight:800}
.hero__stats span{font-size:13px;color:#9fb3c8}
.hero__card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:10px 6px;box-shadow:var(--shadow)}
.hero__card-row{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border-radius:12px;transition:.2s}
.hero__card-row:hover{background:rgba(255,255,255,.06)}
.hero__card-row+.hero__card-row{border-top:1px solid rgba(255,255,255,.08)}
.hero__card-row span{color:#dbe6f2;font-weight:500}
.hero__card-row em{color:#8fd0f2;font-style:normal;font-weight:700}

/* Sections */
.section{padding:76px 0}
.section--muted{background:var(--bg-muted)}
.section__eyebrow{display:block;color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.8px;text-transform:uppercase;margin-bottom:10px}
.section__title{font-size:32px;line-height:1.2;margin:0 0 14px;font-weight:800;letter-spacing:-.3px;color:var(--navy)}
.section__intro{color:var(--muted);max-width:640px;margin:0 0 8px;font-size:17px}

/* About */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:22px}
.about__grid p{margin:0;font-size:17px;color:#3a4a5c}

/* Catalog */
.cat-block{margin-top:40px}
.cat-block__title{
  font-size:20px;color:var(--navy);margin:0 0 18px;padding-left:14px;position:relative;font-weight:700;
}
.cat-block__title:before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:3px;background:var(--accent)}
.prod-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0ee}
.prod__img{aspect-ratio:1/1;background:#f7f9fc;display:flex;align-items:center;justify-content:center;padding:14px}
.prod__img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.prod__img--empty{color:var(--muted);font-size:13px;text-align:center}
.prod h4{margin:0;padding:14px 14px 6px;font-size:14px;line-height:1.35;color:var(--ink);font-weight:600;flex:1}
.prod__tag{display:inline-block;margin:0 14px 14px;padding:3px 10px;font-size:11px;font-weight:600;color:var(--accent-dark);background:rgba(46,155,214,.1);border-radius:999px;align-self:flex-start}

/* Advantages (class renamed from .adv* — ad blockers hide elements classed "adv") */
.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px}
.benefit{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.benefit__ico{width:48px;height:48px;border-radius:12px;background:var(--navy);color:#8fd0f2;font-size:22px;display:grid;place-items:center;margin-bottom:14px;font-weight:700}
.benefit h3{margin:0 0 8px;font-size:18px;color:var(--navy)}
.benefit p{margin:0;color:var(--muted);font-size:15px}

/* Delivery */
.delivery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px}
.delivery__item{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:22px}
.delivery__item h3{margin:0 0 8px;font-size:17px;color:var(--navy)}
.delivery__item p{margin:0;color:var(--muted);font-size:15px}

/* Contacts */
.contacts-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:30px;align-items:start}
.contacts__lead{font-size:18px;color:#3a4a5c;margin:0 0 22px}
.contacts__list{list-style:none;margin:0;padding:0}
.contacts__list li{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:12px 0;border-top:1px solid var(--line);align-items:baseline}
.contacts__list li:first-child{border-top:0}
.contacts__list span{color:var(--muted);font-size:14px}
.contacts__list strong{color:var(--ink);font-weight:600}
.contacts__list a{color:var(--accent-dark)}
.contacts__form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.contacts__form label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:14px}
.contacts__form input,.contacts__form textarea{
  width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font:inherit;font-weight:400;color:var(--ink);background:#fbfcfe;transition:.2s;
}
.contacts__form input:focus,.contacts__form textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(46,155,214,.15)}
.contacts__form textarea{resize:vertical}
.contacts__note{font-size:12px;color:var(--muted);margin:12px 0 0;text-align:center}

/* Footer */
.footer{background:var(--navy);color:#c3d2e2}
.footer__inner{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:40px 24px}
.footer__brand{display:flex;align-items:center;gap:14px}
.footer__brand strong{color:#fff;font-size:17px}
.footer__brand p{margin:2px 0 0;font-size:13px;color:#9fb3c8;max-width:420px}
.footer__nav{display:flex;gap:22px;flex-wrap:wrap}
.footer__nav a{font-size:15px;color:#c3d2e2}
.footer__nav a:hover{color:#fff}
.footer__bar{border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8ea3b8;padding:16px 0}

/* Responsive */
@media (max-width:960px){
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:36px}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .benefits-grid,.delivery-grid{grid-template-columns:repeat(2,1fr)}
  .about__grid,.contacts-grid{grid-template-columns:1fr;gap:24px}
}
@media (max-width:760px){
  .header__cta{display:none}
  .burger{display:flex;margin-left:auto}
  .nav{
    position:absolute;top:70px;left:0;right:0;background:var(--navy);
    flex-direction:column;gap:0;padding:8px 24px 18px;margin:0;
    max-height:0;overflow:hidden;transition:max-height .3s ease;border-top:1px solid rgba(255,255,255,.08);
  }
  .nav.is-open{max-height:320px}
  .nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}
}
@media (max-width:560px){
  .hero h1{font-size:29px}
  .hero__stats{gap:22px}
  .section__title{font-size:26px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .benefits-grid,.delivery-grid{grid-template-columns:1fr}
  .footer__inner{flex-direction:column;align-items:flex-start}
  .contacts__list li{grid-template-columns:1fr}
}