:root{
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#18212f;
  --muted:#5f6b7a;
  --line:#dbe3ef;
  --brand:#214f86;
  --brand-2:#2f6cb5;
  --accent:#f2bf3b;
  --accent-hover:#e3ad1f;
  --shadow:0 18px 50px rgba(25,42,70,.10);
  --radius:20px;
  --container:1200px;
}

*{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(--text);
  background:
    radial-gradient(circle at top left, rgba(47,108,181,.08), transparent 28%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}

.container{
  width:min(calc(100% - 32px), var(--container));
  margin:0 auto;
}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(12px);
  background:rgba(255,255,255,.86);
  border-bottom:1px solid rgba(219,227,239,.75);
}

.topbar-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  letter-spacing:.2px;
  white-space:nowrap;
}
.logo-mark{
  width:18px;
  height:26px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--brand-2),var(--brand));
  position:relative;
  box-shadow:inset 4px 0 0 rgba(255,255,255,.72);
}

.nav{
  display:flex;
  align-items:center;
  gap:26px;
  color:#2b3647;
  font-weight:500;
  font-size:15px;
}
.nav a{opacity:.9}
.nav a:hover{color:var(--brand)}

.topbar-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.phone{
  font-weight:700;
  white-space:nowrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 24px;
  border-radius:12px;
  border:0;
  cursor:pointer;
  transition:.18s ease;
  font-weight:700;
}
.btn-accent{
  background:var(--accent);
  color:#222;
  box-shadow:0 10px 24px rgba(242,191,59,.28);
}
.btn-accent:hover{
  background:var(--accent-hover);
  transform:translateY(-1px);
}

.mobile-toggle{
  display:none;
  width:48px;
  height:48px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.mobile-toggle span{
  width:18px;
  height:2px;
  background:#1f2d3d;
  border-radius:2px;
}

.mobile-menu{
  display:none;
  border-top:1px solid rgba(219,227,239,.75);
  background:rgba(255,255,255,.96);
}
.mobile-menu.is-open{display:block}
.mobile-menu-inner{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:16px 0 20px;
}
.mobile-menu-inner a{
  padding:8px 0;
  font-weight:600;
}

.hero{padding:42px 0 26px}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr);
  gap:28px;
  align-items:stretch;
}

.hero-main{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(245,248,253,.96));
  border:1px solid rgba(219,227,239,.9);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:38px;
  min-height:660px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--brand);
  font-weight:700;
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:.06em;
}
.eyebrow::before{
  content:"";
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 6px rgba(242,191,59,.18);
}

h1{
  margin:16px 0 18px;
  font-size:clamp(38px, 4vw, 58px);
  line-height:1.04;
  letter-spacing:-.03em;
  max-width:12ch;
}

.hero-lead{
  margin:0 0 18px;
  font-size:20px;
  line-height:1.55;
  color:#334155;
  max-width:56ch;
}
.hero-vat{
  margin:0 0 24px;
  font-size:36px;
  line-height:1.12;
  color:var(--brand);
  font-weight:800;
  letter-spacing:-.03em;
}

.hero-points{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:12px;
  margin-bottom:26px;
}
.point{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  min-height:94px;
}
.point strong{
  display:block;
  font-size:16px;
  margin-bottom:6px;
}
.point span{
  display:block;
  font-size:14px;
  color:var(--muted);
  line-height:1.45;
}

.form-card{
  background:linear-gradient(135deg, rgba(33,79,134,.06), rgba(47,108,181,.13));
  border:1px solid rgba(190,208,234,.9);
  border-radius:22px;
  padding:22px;
}
.form-card h3{
  margin:0 0 8px;
  font-size:28px;
  line-height:1.15;
  letter-spacing:-.02em;
}
.form-card p{
  margin:0 0 18px;
  color:var(--muted);
  line-height:1.5;
}

.form-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:12px;
}
.field,
.select,
.textarea{
  width:100%;
  min-height:54px;
  border:1px solid #cfd9e8;
  background:#fff;
  border-radius:12px;
  padding:0 16px;
  outline:none;
  transition:.15s ease;
  color:#18212f;
}
.textarea{
  min-height:108px;
  padding:14px 16px;
  resize:vertical;
}
.field:focus,
.select:focus,
.textarea:focus{
  border-color:var(--brand-2);
  box-shadow:0 0 0 4px rgba(47,108,181,.12);
}
.full{grid-column:1/-1}

.hero-visual{
  display:grid;
  grid-template-rows:minmax(360px, 1fr) auto;
  gap:18px;
}
.visual-card,
.band-visual,
.cta-visual,
.cat-visual{
  overflow:hidden;
  border-radius:28px;
  border:1px solid rgba(219,227,239,.95);
  box-shadow:var(--shadow);
  background:#eef3fa;
}
.visual-card img,
.band-visual img,
.cta-visual img,
.cat-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.visual-card{min-height:428px}

.mini-panel{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.mini{
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow);
  padding:24px;
}
.mini h3{
  margin:0 0 10px;
  font-size:22px;
  line-height:1.2;
  letter-spacing:-.02em;
}
.mini ul{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
  color:#344255;
}
.mini li{
  position:relative;
  padding-left:26px;
  line-height:1.45;
}
.mini li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--brand-2);
  box-shadow:0 0 0 5px rgba(47,108,181,.12);
}

.section{padding:28px 0}
.section-title{
  margin:0 0 18px;
  font-size:clamp(28px, 3vw, 42px);
  line-height:1.08;
  letter-spacing:-.03em;
}
.section-lead{
  margin:0 0 26px;
  max-width:72ch;
  color:var(--muted);
  font-size:18px;
  line-height:1.6;
}

.features{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:18px;
}
.feature{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow);
  padding:22px;
  min-height:210px;
}
.icon{
  width:56px;
  height:56px;
  border-radius:16px;
  background:linear-gradient(180deg, rgba(47,108,181,.14), rgba(33,79,134,.08));
  border:1px solid rgba(47,108,181,.14);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  margin-bottom:18px;
}
.feature h3{
  margin:0 0 10px;
  font-size:22px;
  line-height:1.15;
  letter-spacing:-.02em;
}
.feature p{
  margin:0;
  color:var(--muted);
  line-height:1.55;
}

.categories{
  display:grid;
  grid-template-columns:repeat(5, minmax(0,1fr));
  gap:16px;
}
.cat{
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow);
  transition:.18s ease;
}
.cat:hover{transform:translateY(-3px)}
.cat-visual{
  aspect-ratio:1.05 / 1;
  background:#edf3fa;
}
.cat-body{padding:18px 16px 20px}
.cat h3{
  margin:0 0 8px;
  font-size:22px;
  line-height:1.14;
  letter-spacing:-.02em;
}
.cat p{
  margin:0;
  color:var(--muted);
  line-height:1.5;
  font-size:15px;
}

.supply-band{
  overflow:hidden;
  background:linear-gradient(135deg, rgba(33,79,134,.08), rgba(47,108,181,.14));
  border:1px solid rgba(190,208,234,.9);
  border-radius:28px;
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:minmax(0, 1fr) minmax(340px, .9fr);
  align-items:center;
  margin-top:6px;
}
.band-visual{
  min-height:320px;
}
.band-content{
  padding:36px;
}
.band-content h3{
  margin:0 0 10px;
  font-size:42px;
  line-height:1.06;
  letter-spacing:-.03em;
}
.band-content p{
  margin:0 0 18px;
  color:var(--muted);
  font-size:18px;
  line-height:1.55;
}
.band-content ul{
  margin:0;
  padding-left:20px;
  color:#334155;
  display:grid;
  gap:10px;
  line-height:1.5;
}

.cta{
  background:
    linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.74)),
    linear-gradient(135deg, rgba(33,79,134,.08), rgba(47,108,181,.14));
  border:1px solid rgba(190,208,234,.9);
  border-radius:28px;
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:minmax(220px,.78fr) minmax(0,1.22fr);
  overflow:hidden;
}
.cta-visual{min-height:320px}
.cta-content{padding:36px}
.cta-content h3{
  margin:0 0 10px;
  font-size:40px;
  line-height:1.06;
  letter-spacing:-.03em;
}
.cta-content p{
  margin:0 0 18px;
  color:var(--muted);
  font-size:18px;
  line-height:1.55;
}

.contacts{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:16px;
  margin-top:18px;
}
.contact{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px 18px 16px;
  box-shadow:var(--shadow);
}
.contact strong{
  display:block;
  margin-bottom:6px;
  font-size:14px;
  color:var(--muted);
  font-weight:600;
}
.contact span{
  display:block;
  font-weight:800;
  font-size:19px;
  line-height:1.35;
}
.contact small{
  display:block;
  color:var(--muted);
  margin-top:4px;
  line-height:1.45;
}

.seo-box{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:34px;
}
.seo-box h2{margin:0 0 12px}
.seo-box p{
  margin:0 0 14px;
  color:#334155;
  line-height:1.75;
  font-size:18px;
  max-width:78ch;
}

.footer-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:34px;
  margin-bottom:54px;
}
.footer-form h2{
  margin:0 0 10px;
  font-size:clamp(28px,3vw,40px);
  line-height:1.1;
  letter-spacing:-.03em;
}
.footer-form p{
  margin:0 0 20px;
  color:var(--muted);
  line-height:1.65;
  font-size:18px;
}
.footer-note{
  margin-top:14px;
  color:var(--muted);
  font-size:14px;
  line-height:1.5;
}

.toast{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:60;
  background:#1f2d3d;
  color:#fff;
  padding:14px 16px;
  border-radius:12px;
  box-shadow:var(--shadow);
  opacity:0;
  transform:translateY(16px);
  pointer-events:none;
  transition:.2s ease;
  max-width:340px;
  font-size:14px;
  line-height:1.45;
}
.toast.is-show{
  opacity:1;
  transform:translateY(0);
}

@media (max-width: 1180px){
  .hero-grid{grid-template-columns:1fr}
  .hero-main{min-height:auto}
  .visual-card{min-height:380px}
  .features{grid-template-columns:repeat(2, minmax(0,1fr))}
  .categories{grid-template-columns:repeat(3, minmax(0,1fr))}
  .supply-band{grid-template-columns:1fr}
  .cta{grid-template-columns:1fr}
  .contacts{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .desktop-cta{display:none}
  .mobile-toggle{display:inline-flex}
}

@media (max-width: 760px){
  .topbar-inner{min-height:68px}
  .container{width:min(calc(100% - 24px), var(--container))}
  .hero{padding-top:24px}
  .hero-main,
  .visual-card,
  .mini,
  .feature,
  .seo-box,
  .footer-form,
  .form-card,
  .supply-band,
  .cta,
  .cat{border-radius:20px}
  .hero-main{padding:24px}
  h1{max-width:none}
  .hero-lead{font-size:18px}
  .hero-vat{font-size:30px}
  .hero-points{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .categories{
    display:flex;
    gap:14px;
    overflow-x:auto;
    padding-bottom:6px;
    scroll-snap-type:x proximity;
  }
  .cat{
    min-width:260px;
    scroll-snap-align:start;
  }
  .mini-panel{grid-template-columns:1fr}
  .contacts{grid-template-columns:1fr}
  .band-content,
  .cta-content{padding:24px}
  .band-content h3,
  .cta-content h3{font-size:32px}
  .seo-box,
  .footer-form{padding:24px}
}

@media (max-width: 520px){
  h1{font-size:34px}
  .hero-lead,
  .seo-box p,
  .footer-form p,
  .band-content p,
  .cta-content p{font-size:16px}
  .hero-vat{font-size:28px}
  .section{padding:22px 0}
  .section-title{font-size:30px}
  .form-card h3{font-size:24px}
  .feature h3,
  .cat h3{font-size:20px}
  .visual-card{min-height:300px}
  .cta-visual{min-height:250px}
  .band-visual{min-height:220px}
  .phone{display:none}
}