:root{
    --graphite:#141414;
    --steel:#3a3a3a;
    --paper:#f8f8f6;
    --paper-2:#ececea;
    --rust:#cc211c;
    --rust-dark:#a01813;
    --ink:#161616;
    --line:rgba(20,20,20,0.14);
    --line-dark:rgba(248,248,246,0.18);
    --maxw:1200px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'IBM Plex Sans',sans-serif;
    font-size:16px;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{
    font-family:'Big Shoulders Display',sans-serif;
    font-weight:800;
    text-transform:none;
    letter-spacing:0.2px;
    line-height:0.98;
    margin:0;
    color:var(--graphite);
  }
  a{color:inherit;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
  img,svg{display:block;max-width:100%;}
  button{font-family:inherit;}

  /* language toggling */
  [data-en]{display:none;}
  body.lang-en [data-ru]{display:none;}
  body.lang-en [data-en]{display:inline;}
  body.lang-en [data-en-block]{display:block;}
  [data-en-block]{display:none;}
  body.lang-en [data-ru-block]{display:none;}
  [data-ru-block]{display:block;}

  /* corner marks — used sparingly on key panels only */
  .marked{position:relative;}
  .marked::before,.marked::after{
    content:"";
    position:absolute;
    width:14px;height:14px;
    pointer-events:none;
  }
  .marked::before{
    top:-1px;left:-1px;
    border-top:1.5px solid var(--rust);
    border-left:1.5px solid var(--rust);
  }
  .marked::after{
    bottom:-1px;right:-1px;
    border-bottom:1.5px solid var(--rust);
    border-right:1.5px solid var(--rust);
  }

  /* ---- header ---- */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(232,233,227,0.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    height:72px;
  }
  .logo{
    display:flex;align-items:center;
    text-decoration:none;color:var(--graphite);
  }
  .logo-mark{height:46px;width:auto;flex:none;mix-blend-mode:multiply;}
  .nav-links{display:flex;align-items:center;gap:32px;}
  .nav-links a{
    font-size:15px;text-decoration:none;color:var(--ink);
    border-bottom:1px solid transparent;
    padding-bottom:2px;
  }
  .nav-links a:hover{border-bottom-color:var(--rust);}
  .lang-toggle{
    display:flex;border:1px solid var(--ink);border-radius:3px;overflow:hidden;
    font-size:13px;font-weight:600;
  }
  .lang-toggle button{
    background:transparent;border:none;padding:6px 11px;cursor:pointer;color:var(--ink);
  }
  .lang-toggle button.active{background:var(--ink);color:var(--paper);}
  .nav-right{display:flex;align-items:center;gap:20px;}
  .nav-cta{
    background:var(--rust);color:#fff;text-decoration:none;
    padding:9px 16px;border-radius:3px;font-size:14px;font-weight:600;
    white-space:nowrap;
  }
  .nav-cta:hover{background:var(--rust-dark);}
  @media(max-width:820px){
    .nav-links{display:none;}
  }

  /* ---- hero ---- */
  .hero{
    padding:56px 0 48px;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:0.95fr 1.15fr;
    gap:36px;
    align-items:center;
  }
  .eyebrow-line{
    display:flex;align-items:center;gap:10px;
    color:var(--rust);font-weight:600;font-size:14px;margin-bottom:18px;
  }
  .eyebrow-line .rule{width:28px;height:1.5px;background:var(--rust);}
  .hero h1{font-size:40px;max-width:14ch;}
  .hero p.lead{
    font-size:18px;max-width:46ch;margin-top:20px;color:#3a3d3a;text-align: justify;
  }
  .hero-ctas{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
  .btn-primary{
    background:var(--rust);color:#fff;text-decoration:none;
    padding:14px 24px;border-radius:3px;font-weight:600;font-size:15px;
    border:1px solid var(--rust);cursor:pointer;
  }
  .btn-primary:hover{background:var(--rust-dark);}
  .btn-secondary{
    background:transparent;color:var(--ink);text-decoration:none;
    padding:14px 24px;border-radius:3px;font-weight:600;font-size:15px;
    border:1px solid var(--ink);cursor:pointer;
  }
  .btn-secondary:hover{background:var(--ink);color:var(--paper);}
  .hero-art{
    background:var(--paper-2);
    padding:0;border-radius:2px;overflow:hidden;
    aspect-ratio:4/3;
  }
  .hero-art img{width:100%;height:100%;object-fit:cover;display:block;}

  /* ---- value strip ---- */
  .strip{
    background:var(--graphite);color:var(--paper);
    padding:36px 0;
  }
  .strip-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  }
  .strip-item{font-size:14.5px;line-height:1.5;color:#cfd2ca;
    border-left:1.5px solid var(--rust);padding-left:14px;}
  @media(max-width:820px){.strip-grid{grid-template-columns:1fr 1fr;}}
  @media(max-width:520px){.strip-grid{grid-template-columns:1fr;}}

  /* ---- review carousel ---- */
  .review-section{padding:88px 0;}
  .wrap-full{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
  .review-carousel{position:relative;}
  .carousel-viewport{
    overflow:hidden;border-radius:2px;
    margin:0 40px;
  }
  .carousel-track{
    display:flex;
    transition:transform 0.45s ease;
  }
  .review-slide{
    flex:0 0 100%;
    display:grid;grid-template-columns:1fr 1fr;align-items:stretch;
    background:var(--paper-2);min-height:380px;
  }
  .review-photo{
    background:#d8d9d4;
  }
  .review-photo img{width:100%;height:100%;object-fit:cover;display:block;}
  .review-body{
    padding:44px 48px;display:flex;flex-direction:column;justify-content:center;
  }
  .review-quote-mark{
    font-family:'Big Shoulders Display',sans-serif;font-weight:800;
    font-size:48px;color:var(--rust);line-height:0.6;margin-bottom:10px;
  }
  .review-main{font-size:18px;font-weight: bold;color:var(--ink);max-width:44ch;margin:0 0 14px;}
  .review-text{font-size:16px;font-style: italic;color:var(--ink);max-width:44ch;margin:0 0 14px;}
  .review-author{font-size:14px;font-weight:500;color:#5c5f5b;}
  .carousel-arrow{
    position:absolute;top:50%;transform:translateY(-50%);
    width:44px;height:44px;border-radius:50%;
    background:var(--graphite);color:#fff;border:none;cursor:pointer;
    font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;
    z-index:5;
  }
  .carousel-arrow:hover{background:var(--rust);}
  .carousel-arrow.prev{left:-22px;}
  .carousel-arrow.next{right:-22px;}
  .carousel-dots{
    display:flex;justify-content:center;gap:8px;margin-top:20px;
  }
  .carousel-dots button{
    width:9px;height:9px;border-radius:50%;border:none;
    background:var(--line);cursor:pointer;padding:0;
  }
  .carousel-dots button.active{background:var(--rust);}
  @media(max-width:720px){
    .review-slide{grid-template-columns:1fr;min-height:0;}
    .review-photo{height:260px;}
    .review-body{padding:32px 28px;}
    .carousel-viewport{margin:0 16px;}
    .carousel-arrow.prev{left:-6px;}
    .carousel-arrow.next{right:-6px;}
    .carousel-arrow{background:rgba(20,20,20,0.6);}
  }

  /* ---- section heading ---- */
  .section{padding:88px 0;}
  .section-head{
    display:grid;grid-template-columns:1fr 1fr;gap:40px;
    margin-bottom:48px;align-items:end;
  }
  .section-head-special{
    align-items:normal;
  }
  .section-head h2{font-size:36px;}
  .section-head p{font-size:16px;color:#3a3d3a;/*max-width:42ch;*/ text-align: justify; }
  @media(max-width:720px){.section-head{grid-template-columns:1fr;}}

  /* ---- products ---- */
  .product-row{
    display:grid;grid-template-columns:60px 1.1fr 1.6fr auto;
    gap:24px;align-items:center;
    padding:26px 0;border-top:1px solid var(--line);
  }
  .product-row:last-child{border-bottom:1px solid var(--line);}
  .product-icon{width:60px;height:60px;color:var(--rust);}
  .product-icon svg{width:100%;height:100%;}
  .product-name{font-family:'Big Shoulders Display',sans-serif;font-weight:700;
    font-size:22px;color:var(--graphite);}
  .product-desc{font-size:15px;color:#3a3d3a;max-width:52ch;}
  .product-link{
    font-size:14px;font-weight:600;color:var(--rust);text-decoration:none;
    white-space:nowrap;justify-self:end;
    border-bottom:1px solid var(--rust);padding-bottom:1px;
  }
  .product-link:hover{color:var(--rust-dark);border-color:var(--rust-dark);}
  @media(max-width:760px){
    .product-row{grid-template-columns:44px 1fr;grid-template-areas:
      "icon name" "desc desc" "link link";}
    .product-icon{grid-area:icon;width:34px;height:34px;}
    .product-name{grid-area:name;align-self:center;}
    .product-desc{grid-area:desc;margin-top:10px;}
    .product-link{grid-area:link;justify-self:start;margin-top:10px;}
  }

  /* ---- process ---- */
  .process{background:var(--paper-2);}
  .process-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:36px;
  }
  .process-step{padding-top:18px;border-top:2px solid var(--rust);}
  .process-num{color:var(--rust);margin-bottom:14px;}
  .process-num svg{display:block;height:34px;width:34px;}
  .process-step h3{font-size:21px;margin-bottom:8px;}
  .process-step p{font-size:14.5px;color:#3a3d3a;margin:0;}
  @media(max-width:900px){.process-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:520px){.process-grid{grid-template-columns:1fr;}}

  /* ---- contact ---- */
  /* ---- contact (simple) ---- */
  .contact-simple{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  }
  .contact-cta{display:inline-block;margin-top:24px;text-decoration:none;}
  .info-block-standalone{
    background:var(--paper-2);padding:32px;border-radius:2px;border-top:0;margin-top:0;
  }
  @media(max-width:820px){.contact-simple{grid-template-columns:1fr;}}
  .contact-info h3{font-size:26px;margin-bottom:14px;}
  .contact-info p{color:#3a3d3a;font-size:15.5px;max-width:38ch;text-align: justify; }
  .info-block{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);}
  .info-block .k{font-size:13px;color:#5c5f5b;font-weight:600;margin-bottom:4px;}
  .info-block .v{font-size:15.5px;margin-bottom:16px;}
  .info-block .v a{text-decoration:none;color:var(--rust);font-weight:600;}
  @media(max-width:820px){.contact-grid{grid-template-columns:1fr;}}

  /* ---- footer ---- */
  footer{
    background:var(--graphite);color:#9ea19a;
    padding:36px 0;font-size:13.5px;
  }
  .footer-grid{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
  footer a{color:#cfd2ca;text-decoration:none;}

  /* ---- cookie / privacy note ---- */
  .cookie-note{
    position:fixed;left:0;right:0;bottom:0;z-index:100;
    background:var(--graphite);color:var(--paper);
    border-top:1.5px solid var(--rust);
    transform:translateY(110%);
    transition:transform 0.35s ease;
  }
  .cookie-note.visible{transform:translateY(0);}
  .cookie-note-inner{
    max-width:var(--maxw);margin:0 auto;padding:16px 28px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
    flex-wrap:wrap;
  }
  .cookie-note p{margin:0;font-size:14px;color:#d8dad4;max-width:60ch;}
  .cookie-ok{
    background:var(--rust);color:#fff;border:1px solid var(--rust);
    padding:9px 22px;border-radius:3px;font-weight:600;font-size:14px;
    cursor:pointer;flex:none;
  }
  .cookie-ok:hover{background:var(--rust-dark);}
  .footer-logo-wrap{background:#fff;padding:6px 10px 4px;border-radius:2px;display:inline-flex;}
  .footer-logo{height:50px;width:auto;display:block;}
  .footer-left{display:flex;align-items:center;gap:16px;}

  /* ============ RESPONSIVE: TABLETS (≤1024px) ============ */
  @media(max-width:1024px){
    .wrap,.wrap-full{padding:0 24px;}
    .section{padding:72px 0;}
    .review-section{padding:72px 0;}
  }

  /* ============ RESPONSIVE: HERO STACKS (≤900px) ============ */
  @media(max-width:900px){
    .hero{padding:52px 0 44px;}
    .hero-grid{grid-template-columns:1fr;gap:28px;}
  }

  /* ============ RESPONSIVE: SMALL PHONES (≤600px) ============ */
  @media(max-width:600px){
    .section{padding:52px 0;}
    .review-section{padding:52px 0;}
    .wrap,.wrap-full{padding:0 18px;}
    .nav{height:64px;}
    .logo-mark{height:38px;}
    .nav-right{gap:10px;}
    .nav-cta{padding:8px 12px;font-size:13px;}
    .lang-toggle button{padding:5px 9px;font-size:12px;}
    .hero-ctas{flex-direction:column;align-items:stretch;}
    .hero-ctas a{text-align:center;}
    .strip{padding:28px 0;}
    .strip-item{font-size:14px;}
    .contact-cta{width:100%;text-align:center;}
    .info-block-standalone{padding:24px;}
    .contact-info h3{font-size:24px;}
    .review-quote-mark{font-size:36px;}
    .review-text{font-size:16px;}
    .carousel-arrow{width:36px;height:36px;font-size:19px;}
    .footer-grid{flex-direction:column;align-items:flex-start;gap:16px;}
    .cookie-note-inner{padding:14px 18px;flex-direction:column;align-items:flex-start;}
    .cookie-ok{width:100%;}
  }

  /* ============ RESPONSIVE: VERY NARROW PHONES (≤400px) ============ */
  @media(max-width:400px){
    .hero h1{font-size:32px;}
    .section-head h2{font-size:28px;}
    .product-name{font-size:19px;}
  }

/* ============ PRODUCT PAGE ============ */
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink);text-decoration:none;margin-bottom:22px;
}
.back-link:hover{color:var(--rust);}

.product-hero-grid{
  display:grid;grid-template-columns:1.05fr 0.95fr;gap:40px;align-items:center;
}
.product-gallery{background:var(--paper-2);padding:14px;border-radius:2px;}
.gallery-viewport{position:relative;overflow:hidden;border-radius:2px;aspect-ratio:4/3;background:#d8d9d4;}
.gallery-track{display:flex;height:100%;transition:transform 0.4s ease;}
.gallery-slide{flex:0 0 100%;height:100%;}
.gallery-slide img{width:100%;height:100%;object-fit:cover;display:block;}
.gallery-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:38px;height:38px;border-radius:50%;
  background:rgba(20,20,20,0.55);color:#fff;border:none;cursor:pointer;
  font-size:19px;line-height:1;display:flex;align-items:center;justify-content:center;z-index:5;
}
.gallery-arrow:hover{background:var(--rust);}
.gallery-arrow.prev{left:10px;}
.gallery-arrow.next{right:10px;}
.gallery-dots{display:flex;justify-content:center;gap:8px;padding:14px 0 4px;}

.product-summary p.lead{font-size:18px;max-width:48ch;margin:16px 0 0;color:#3a3d3a; text-align: justify; }
.product-summary .hero-ctas{margin-top:28px;}

.specs-table{width:100%;border-collapse:collapse;margin-top:8px;}
.specs-table tr{border-top:1px solid var(--line);}
.specs-table tr:last-child{border-bottom:1px solid var(--line);}
.specs-table td{padding:14px 12px;font-size:15px;color:var(--ink);vertical-align:top;}
.specs-table td:first-child{color:#5c5f5b;font-weight:600;width:40%;}
.specs-note{font-size:13.5px;color:#5c5f5b;margin-top:16px;}

.parts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 48px;}
.part-item{padding-top:16px;border-top:2px solid var(--rust);}
.part-item h3{font-size:19px;margin-bottom:6px;}
.part-item p{font-size:14.5px;color:#3a3d3a;margin:0;text-align: justify; }

@media(max-width:900px){
  .product-hero-grid{grid-template-columns:1fr;gap:28px;}
}
@media(max-width:640px){
  .parts-grid{grid-template-columns:1fr;gap:24px;}
}
/* ============ STATE PAGES (404 / under construction) ============ */
.state-page{
  min-height:56vh;
  display:flex;align-items:center;justify-content:center;
  padding:90px 0;
  border-bottom:1px solid var(--line);
}
.state-page-inner{
  max-width:560px;margin:0 auto;text-align:center;padding:0 28px;
}
.state-icon{
  color:var(--rust);width:64px;height:64px;margin:0 auto 24px;
}
.state-icon svg{width:100%;height:100%;}
.state-code{
  font-family:'Big Shoulders Display',sans-serif;font-weight:800;
  font-size:clamp(72px,14vw,140px);color:var(--rust);line-height:0.85;margin-bottom:8px;
}
.state-page h1{font-size:32px;margin-bottom:14px;}
.state-page p.lead{font-size:16.5px;color:#3a3d3a;max-width:44ch;margin:0 auto 28px;}
.state-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

@media(max-width:480px){
  .state-page{padding:64px 0;}
  .state-code{font-size:72px;}
  .state-page h1{font-size:26px;}
}
/* ============ STICKY FOOTER (404 / under construction) ============ */
html, body{height:100%;}
body.sticky-footer-page{
  display:flex;flex-direction:column;min-height:100vh;
}
body.sticky-footer-page .state-page{flex:1 0 auto;}
body.sticky-footer-page footer{flex:none;}