:root{
  --paper:#F5F5F4;
  --paper-raised:#FFFFFF;
  --ink:#1E1E1E;
  --ink-soft:#5B5A5A;
  --ink-faint:#8C8A8A;
  --accent:#DB2B21;
  --accent-deep:#B8241B;
  --accent-soft:#FBEAE8;
  --gray-brand:#7C7A7A;
  --gray-brand-soft:#ECEAEA;
  --sem-school:#2F6B8C;
  --sem-school-soft:#E4EEF3;
  --sem-kinder:#9A6A17;
  --sem-kinder-soft:#F5ECDA;
  --sem-med:#3E7566;
  --sem-med-soft:#E1EBE6;
  --line:#E3E1E1;
  --line-strong:#C9C6C6;
  --shadow: 0 1px 2px rgba(30,30,30,.06), 0 8px 24px rgba(30,30,30,.08);
  --radius: 8px;
  color-scheme: light;
}

/* Deliberately single-theme (light) regardless of viewer OS setting — matches the supplied brand mark */

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Golos Text", -apple-system, "Segoe UI", sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}
h1,h2,h3,h4{
  font-family:"Unbounded", "Golos Text", sans-serif;
  font-weight:700;
  margin:0;
  text-wrap:balance;
  color:var(--ink);
}
p{margin:0;}
a{color:inherit;}
button{font-family:inherit;}
.mono{font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;}
::selection{background:var(--accent-soft); color:var(--accent-deep);}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px;}

.container{max-width:1180px; margin:0 auto; padding:0 28px;}
@media (max-width:640px){ .container{padding:0 18px;} }

.visually-hidden{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap;}

.icon{width:1em; height:1em; display:inline-block; vertical-align:-0.14em; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round;}

/* ---------- top strip ---------- */
.topstrip{background:var(--ink); color:var(--paper);}
.topstrip-inner{display:flex; align-items:center; justify-content:space-between; gap:16px; padding-top:8px; padding-bottom:8px; font-size:.8rem; letter-spacing:.02em;}
.topstrip-inner span.dim{opacity:.65;}
@media (max-width:760px){ .topstrip-inner{font-size:.72rem;} .topstrip-hide-mobile{display:none;} }

/* ---------- header ---------- */
header.site{background:var(--paper); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:40;}
.header-row{display:flex; align-items:center; justify-content:space-between; gap:24px; padding-top:14px; padding-bottom:14px; position:relative;}
.brand{display:flex; align-items:center; text-decoration:none;}
.brand-logo{height:40px; width:auto; display:block;}

nav.mainnav{display:flex; align-items:center; gap:4px;}
nav.mainnav a{
  text-decoration:none; color:var(--ink-soft); font-size:.95rem; font-weight:500; padding:10px 14px; border-radius:var(--radius);
  position:relative;
}
nav.mainnav a:hover{color:var(--ink); background:var(--gray-brand-soft);}
nav.mainnav a[aria-current="page"]{color:var(--accent); font-weight:700;}
nav.mainnav a[aria-current="page"]::after{
  content:""; position:absolute; left:14px; right:14px; bottom:4px; height:2px; background:var(--accent);
}
.navbtn{display:none;}
@media (max-width:900px){
  nav.mainnav{display:none; position:absolute; top:100%; left:0; right:0; background:var(--paper-raised); border-bottom:1px solid var(--line); flex-direction:column; padding:8px; box-shadow:var(--shadow);}
  nav.mainnav.open{display:flex;}
  nav.mainnav a{padding:12px 14px;}
  .navbtn{display:flex; align-items:center; justify-content:center; width:40px; height:40px; background:none; border:1px solid var(--line); border-radius:var(--radius); color:var(--ink); cursor:pointer;}
}

/* ---------- footer ---------- */
footer.site{background:var(--ink); color:var(--paper); margin-top:72px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; padding-top:52px; padding-bottom:32px;}
@media (max-width:820px){ .footer-grid{grid-template-columns:1fr 1fr; row-gap:32px;} }
@media (max-width:520px){ .footer-grid{grid-template-columns:1fr;} }
.footer-grid h4{color:var(--paper); font-family:"Unbounded",sans-serif; font-size:.78rem; letter-spacing:.09em; text-transform:uppercase; margin-bottom:14px; font-weight:700;}
.footer-grid p, .footer-grid a{color:rgba(245,245,244,.68); font-size:.9rem;}
.footer-grid ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px;}
.footer-grid a{text-decoration:none;}
.footer-grid a:hover{color:var(--paper);}
.footer-bottom{border-top:1px solid rgba(245,245,244,.16); padding-top:18px; padding-bottom:26px; display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; font-size:.78rem; color:rgba(245,245,244,.55);}
.footer-portal-link{display:inline-flex; align-items:center; gap:8px;}
.footer-portal-link img{height:16px; width:auto; filter:grayscale(1) brightness(1.6); opacity:.85;}
.disclaimer{max-width:1180px; margin:0 auto; padding:0 28px 0; font-size:.82rem; color:rgba(245,245,244,.6); line-height:1.55;}

/* ---------- eyebrow ---------- */
.eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:.75rem; letter-spacing:.11em; text-transform:uppercase; color:var(--accent); font-weight:700;}
.eyebrow::before{content:""; width:16px; height:1.5px; background:var(--accent); display:inline-block;}

/* ---------- hero ---------- */
.hero{padding:56px 0 48px;}
.hero-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center;}
@media (max-width:880px){ .hero-grid{grid-template-columns:1fr; gap:36px;} .hero-badge-wrap{order:-1; justify-content:flex-start;} }
.hero h1{font-size:clamp(1.8rem, 3.4vw, 2.5rem); line-height:1.2; margin:14px 0 18px;}
.hero-lede{font-size:1.08rem; color:var(--ink-soft); max-width:52ch;}
.hero-cta{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}

.btn{
  display:inline-flex; align-items:center; gap:8px; padding:12px 22px; border-radius:var(--radius);
  font-size:.95rem; font-weight:700; text-decoration:none; cursor:pointer; border:1px solid transparent;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--accent); color:#fff;}
.btn-primary:hover{background:var(--accent-deep);}
.btn-outline{background:transparent; color:var(--ink); border-color:var(--line-strong);}
.btn-outline:hover{border-color:var(--accent); color:var(--accent);}
.btn-sm{padding:8px 14px; font-size:.85rem;}
.btn-block{width:100%; justify-content:center;}

.hero-badge-wrap{display:flex; justify-content:center; align-items:center;}
.mark-graphic{position:relative; width:min(260px, 80vw); aspect-ratio:1;}
.mark-graphic .dot-red{position:absolute; border-radius:50%; background:var(--accent); width:62%; height:62%; top:4%; left:4%;}
.mark-graphic .dot-gray{position:absolute; border-radius:50%; background:var(--gray-brand-soft); border:1px solid var(--line-strong); width:40%; height:40%; bottom:6%; right:6%;}
.mark-card{position:absolute; top:22%; left:24%; right:8%; background:var(--paper-raised); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); padding:16px 18px; text-align:left;}
.mark-card-label{font-size:.68rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-faint); font-weight:700;}
.mark-card-value{font-family:"Unbounded",sans-serif; font-size:1.05rem; color:var(--ink); margin-top:6px; line-height:1.35;}

/* ---------- section heading ---------- */
.section{padding-top:64px; padding-bottom:64px;}
.section-head{max-width:640px; margin-bottom:36px;}
.section-head h2{font-size:1.6rem; margin-top:10px;}
.section-head p{color:var(--ink-soft); margin-top:10px;}

/* ---------- category grid ---------- */
.cat-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
@media (max-width:880px){ .cat-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .cat-grid{grid-template-columns:1fr;} }
.cat-card{
  display:flex; align-items:center; gap:16px; padding:20px; background:var(--paper-raised);
  border:1px solid var(--line); border-radius:var(--radius); text-decoration:none; color:var(--ink);
  transition:border-color .15s ease, transform .15s ease;
}
.cat-card:hover{border-color:var(--accent); transform:translateY(-2px);}
.cat-icon-plate{width:52px; height:52px; border-radius:var(--radius); display:flex; align-items:center; justify-content:center; flex:none; background:var(--accent-soft); color:var(--accent);}
.cat-icon-plate .icon{width:26px; height:26px;}
.cat-card-name{font-family:"Unbounded",sans-serif; font-weight:700; font-size:.98rem;}
.cat-card-count{font-size:.82rem; color:var(--ink-faint); margin-top:4px; font-family:"JetBrains Mono",monospace;}

/* ---------- process ---------- */
.process{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
@media (max-width:760px){ .process{grid-template-columns:1fr;} }
.process-step{position:relative; padding-top:8px;}
.process-num{font-family:"JetBrains Mono",monospace; font-size:.85rem; color:var(--accent); font-weight:700; letter-spacing:.06em;}
.process-step h3{font-size:1.02rem; margin:10px 0 8px;}
.process-step p{font-size:.9rem; color:var(--ink-soft);}
.process-step:not(:last-child)::after{
  content:""; position:absolute; top:12px; left:calc(100% + 2px); width:20px; height:1px; background:var(--line-strong); display:none;
}
@media (min-width:761px){ .process-step:not(:last-child)::after{display:block;} }

/* ---------- catalog layout ---------- */
.catalog-head{padding:44px 0 28px; border-bottom:1px solid var(--line);}
.catalog-head h1{font-size:1.7rem; margin-top:10px;}
.catalog-head p{color:var(--ink-soft); margin-top:10px; max-width:60ch;}

.catalog-body{display:grid; grid-template-columns:250px 1fr; gap:36px; padding:36px 0 72px; align-items:start;}
@media (max-width:860px){ .catalog-body{grid-template-columns:1fr;} }

.filters{background:var(--paper-raised); border:1px solid var(--line); border-radius:var(--radius); padding:20px; position:sticky; top:88px;}
@media (max-width:860px){ .filters{position:static;} }
.filters h2{font-size:.72rem; text-transform:uppercase; letter-spacing:.09em; color:var(--ink-faint); margin-bottom:16px;}
.filter-group{margin-bottom:22px;}
.filter-group:last-child{margin-bottom:0;}
.filter-group h3{font-family:"Golos Text",sans-serif; font-size:.86rem; font-weight:700; color:var(--ink); margin-bottom:10px; display:flex; align-items:center; justify-content:space-between;}
.chip-row{display:flex; flex-wrap:wrap; gap:7px;}
.chip{
  display:inline-flex; align-items:center; gap:6px; padding:6px 11px; border:1px solid var(--line-strong); border-radius:20px;
  font-size:.82rem; cursor:pointer; background:var(--paper-raised); color:var(--ink-soft); user-select:none;
}
.chip input{position:absolute; opacity:0; pointer-events:none;}
.chip:has(input:checked){background:var(--ink); border-color:var(--ink); color:var(--paper);}
.check-list{display:flex; flex-direction:column; gap:9px;}
.check-item{display:flex; align-items:center; gap:9px; font-size:.88rem; color:var(--ink-soft); cursor:pointer;}
.check-item input{accent-color:var(--accent); width:15px; height:15px;}
.check-item:has(input:checked){color:var(--ink); font-weight:700;}
select.filter-select{
  width:100%; padding:9px 10px; border:1px solid var(--line-strong); border-radius:var(--radius); background:var(--paper-raised); color:var(--ink);
  font-family:inherit; font-size:.86rem;
}
.price-row{display:flex; gap:8px; align-items:center;}
.price-row input{width:100%; padding:8px 9px; border:1px solid var(--line-strong); border-radius:var(--radius); background:var(--paper-raised); color:var(--ink); font-family:"JetBrains Mono",monospace; font-size:.84rem;}
.reset-link{background:none; border:none; color:var(--accent); font-size:.82rem; text-decoration:underline; cursor:pointer; padding:0; margin-top:18px;}

.catalog-toolbar{display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:22px; flex-wrap:wrap;}
.search-box{display:flex; align-items:center; gap:8px; border:1px solid var(--line-strong); border-radius:var(--radius); padding:9px 12px; background:var(--paper-raised); flex:1; min-width:200px; max-width:360px;}
.search-box input{border:none; outline:none; background:none; font-family:inherit; font-size:.92rem; width:100%; color:var(--ink);}
.search-box .icon{color:var(--ink-faint); flex:none;}
.toolbar-right{display:flex; align-items:center; gap:12px; font-size:.85rem; color:var(--ink-soft);}
.toolbar-right select{padding:8px 10px; border:1px solid var(--line-strong); border-radius:var(--radius); background:var(--paper-raised); font-family:inherit; color:var(--ink); font-size:.85rem;}

.filters-toggle{display:none;}
@media (max-width:860px){ .filters-toggle{display:inline-flex;} .filters{display:none;} .filters.open{display:block; margin-bottom:20px;} }

.product-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
@media (max-width:1020px){ .product-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:620px){ .product-grid{grid-template-columns:1fr;} }

.product-card{background:var(--paper-raised); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; display:flex; flex-direction:column;}
.product-plate{aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; position:relative; border-bottom:1px solid var(--line); overflow:hidden;}
.product-plate .icon{width:44px; height:44px;}
.product-plate.has-photo{padding:0;}
.product-photo{width:100%; height:100%; object-fit:cover; display:block;}
.product-body{padding:16px 16px 18px; display:flex; flex-direction:column; gap:8px; flex:1;}
.product-cat{font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-faint);}
.product-name{font-family:"Unbounded",sans-serif; font-weight:700; font-size:.98rem; line-height:1.35;}
.product-badges{display:flex; gap:6px; flex-wrap:wrap; margin-top:2px;}
.badge{font-size:.7rem; padding:3px 8px; border-radius:20px; font-weight:700;}
.badge-school{background:var(--sem-school-soft); color:var(--sem-school);}
.badge-med{background:var(--sem-med-soft); color:var(--sem-med);}
.badge-kid{background:var(--sem-kinder-soft); color:var(--sem-kinder);}
.product-foot{display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:10px; border-top:1px solid var(--line);}
.product-price{font-family:"JetBrains Mono",monospace; font-weight:700; font-size:.95rem; color:var(--ink);}
.product-art{font-family:"JetBrains Mono",monospace; font-size:.72rem; color:var(--ink-faint);}
.product-cta{font-size:.82rem; font-weight:700; color:var(--accent); background:none; border:none; cursor:pointer; padding:0; text-decoration:underline;}

.empty-state{padding:60px 20px; text-align:center; color:var(--ink-soft); border:1px dashed var(--line-strong); border-radius:var(--radius);}
.results-count{font-size:.85rem; color:var(--ink-faint); margin-bottom:16px;}

/* ---------- modal ---------- */
.modal-backdrop{position:fixed; inset:0; background:rgba(20,20,20,.55); display:none; align-items:center; justify-content:center; padding:20px; z-index:100;}
.modal-backdrop.open{display:flex;}
.modal{background:var(--paper-raised); max-width:860px; width:100%; max-height:88vh; overflow-y:auto; border-radius:var(--radius); box-shadow:var(--shadow); position:relative;}
.modal-close{position:absolute; top:14px; right:14px; width:36px; height:36px; border-radius:50%; border:1px solid var(--line-strong); background:var(--paper-raised); display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--ink);}
.modal-grid{display:grid; grid-template-columns:minmax(0,360px) 1fr; gap:0;}
@media (max-width:680px){ .modal-grid{grid-template-columns:1fr;} }
.modal-plate{background:var(--accent-soft); display:flex; align-items:center; justify-content:center; padding:24px; color:var(--accent); min-height:260px; overflow:hidden;}
.modal-plate .icon{width:84px; height:84px;}
.modal-plate.has-photo .product-photo{width:100%; height:100%; object-fit:contain;}
@media (max-width:680px){ .modal-plate{min-height:220px;} }

/* gallery: обёртка колонки с фото + стрелки + миниатюры (появляются, только если фото > 1) */
.modal-media{display:flex; flex-direction:column; min-width:0; background:var(--accent-soft);}
.modal-media .modal-plate{flex:1; position:relative;}
.gallery-arrow{position:absolute; top:50%; transform:translateY(-50%); width:36px; height:36px; border-radius:50%; border:1px solid var(--line-strong); background:rgba(255,255,255,.9); display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--ink); padding:0;}
.gallery-arrow:hover{border-color:var(--accent); color:var(--accent);}
.gallery-arrow .icon{width:18px; height:18px;}
.gallery-prev{left:10px;}
.gallery-next{right:10px;}
.modal-thumbs{display:flex; gap:8px; padding:0 24px 20px; flex-wrap:wrap;}
.modal-thumbs:empty{display:none;}
.gallery-thumb{width:60px; height:60px; padding:0; border:2px solid transparent; border-radius:var(--radius); background:var(--paper-raised); overflow:hidden; cursor:pointer; opacity:.65; transition:opacity .15s ease, border-color .15s ease;}
.gallery-thumb:hover{opacity:1;}
.gallery-thumb[aria-current="true"]{border-color:var(--accent); opacity:1;}
.gallery-thumb img{width:100%; height:100%; object-fit:cover; display:block;}
.modal-info{padding:30px 34px 34px;}
.modal-eyebrow{font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-faint); margin-bottom:8px;}
.modal-info h2{font-size:1.3rem; margin-bottom:10px;}
.modal-norm{background:var(--paper); border:1px solid var(--line); border-left:3px solid var(--accent); border-radius:var(--radius); padding:10px 14px; font-size:.84rem; color:var(--ink-soft); margin:14px 0;}
.modal-norm b{color:var(--ink); font-family:"JetBrains Mono",monospace;}
.spec-table{width:100%; border-collapse:collapse; margin:16px 0; font-size:.87rem;}
.spec-table tr{border-bottom:1px solid var(--line);}
.spec-table td{padding:8px 0; vertical-align:top;}
.spec-table td:first-child{color:var(--ink-faint); width:38%;}
.spec-table td:last-child{font-family:"JetBrains Mono",monospace; color:var(--ink);}
.modal-price-row{display:flex; align-items:baseline; justify-content:space-between; margin:18px 0;}
.modal-price{font-family:"JetBrains Mono",monospace; font-size:1.5rem; font-weight:700; color:var(--ink);}
.modal-actions{display:flex; flex-direction:column; gap:10px;}
.modal-portal-badge{display:flex; align-items:center; gap:8px; margin-bottom:12px; padding:8px 12px; background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);}
.modal-portal-badge img{height:18px; width:auto;}
.modal-portal-badge span{font-size:.78rem; color:var(--ink-soft);}
.toast{margin-top:10px; font-size:.82rem; color:var(--sem-med); display:none;}
.toast.show{display:block;}

/* описание товара (поле content): длинный текст прокручивается внутри блока */
.modal-desc{max-height:240px; overflow-y:auto; overscroll-behavior:contain; margin:12px 0 16px; padding-right:8px; font-size:.88rem; line-height:1.5; color:var(--ink-soft);}
.modal-desc:empty{display:none;}
.modal-desc > :first-child{margin-top:0;}
.modal-desc > :last-child{margin-bottom:0;}
.modal-desc p, .modal-desc ul, .modal-desc ol{margin:0 0 8px;}
.modal-desc ul, .modal-desc ol{padding-left:20px;}
.modal-desc img{max-width:100%; height:auto;}
.modal-desc table{width:100%; border-collapse:collapse;}
.modal-desc td, .modal-desc th{padding:4px 6px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top;}
@media (max-width:640px){ .modal-desc{max-height:180px;} }

/* ---------- generic content pages ---------- */
.prose{max-width:70ch;}
.prose p{color:var(--ink-soft); margin-top:14px;}
.prose h2{font-size:1.35rem; margin-top:38px;}
.fact-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:20px;}
@media (max-width:640px){ .fact-grid{grid-template-columns:1fr;} }
.fact{border:1px solid var(--line); border-radius:var(--radius); padding:16px 18px; background:var(--paper-raised);}
.fact h4{font-family:"Golos Text",sans-serif; font-size:.9rem; font-weight:700;}
.fact p{font-size:.86rem; margin-top:6px;}

.steps-detail{display:flex; flex-direction:column; gap:0; margin-top:10px;}
.step-detail{display:grid; grid-template-columns:52px 1fr; gap:20px; padding:22px 0; border-bottom:1px solid var(--line);}
.step-detail:last-child{border-bottom:none;}
.step-num{width:40px; height:40px; border-radius:50%; border:1.6px solid var(--accent); color:var(--accent); display:flex; align-items:center; justify-content:center; font-family:"JetBrains Mono",monospace; font-weight:700;}
.step-detail h3{font-size:1.02rem; margin-bottom:6px;}
.step-detail p{color:var(--ink-soft); font-size:.92rem;}

.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%; text-align:left; background:none; border:none; padding:18px 0; display:flex; justify-content:space-between; align-items:center; gap:16px; cursor:pointer; font-family:"Unbounded",sans-serif; font-weight:700; font-size:.95rem; color:var(--ink);}
.faq-q .icon{transition:transform .15s ease; flex:none; color:var(--ink-faint);}
.faq-item[open] .faq-q .icon{transform:rotate(180deg);}
.faq-a{padding:0 0 20px; color:var(--ink-soft); font-size:.92rem; max-width:65ch;}