:root {
      --ink: #111411;
      --ink-2: #202620;
      --brand: #159b9e;
      --brand-dark: #0f7779;
      --brand-soft: #e7f5f5;
      --status: #78b918;
      --paper: #fff;
      --surface: #f3f7f7;
      --line: #d9e3e2;
      --muted: #687472;
      --danger: #e92929;
      --container: min(1580px, calc(100% - 32px));
      --shadow: 0 2px 10px rgba(17,20,17,.09);
    }

    * { box-sizing: border-box; }
    html { font-size: 16px; scroll-behavior: smooth; }
    body { margin: 0; min-width: 320px; color: var(--ink); background: var(--surface); font: 16px/1.45 "Segoe UI", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
    body.no-scroll { overflow: hidden; }
    img { display: block; max-width: 100%; }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    button { color: inherit; }
    svg { display: block; }
    .container { width: var(--container); max-width: none; margin-inline: auto; padding-inline: 0; }
    .icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
    .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    .section { padding: 44px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
    .section-title { position: relative; margin: 0; font-size: clamp(1.55rem, 2.2vw, 2.2rem); line-height: 1.12; letter-spacing: -.03em; }
    .section-title::after { content: ""; position: absolute; left: 0; bottom: -15px; width: 120px; height: 3px; background: var(--brand); }
    .section-link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-dark); font-size: .9rem; font-weight: 800; white-space: nowrap; }
    .section-link:hover { color: var(--ink); }
    .button { min-height: 46px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid transparent; border-radius: 2px; cursor: pointer; font-weight: 800; transition: .18s; }
    .button:hover { filter: brightness(.95); }
    .button-green { background: var(--brand-dark); color: #fff; }
    .button-black { background: var(--ink); color: #fff; }
    .button-outline { background: transparent; border-color: rgba(255,255,255,.55); color: #fff; }

    .utility { color: #fff; background: #0b0e0b; border-bottom: 1px solid #313631; font-size: .82rem; }
    .utility-inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .utility-group { display: flex; align-items: center; gap: 26px; }
    .utility a:hover { color: #fff; opacity: .78; }
    .utility strong { color: #fff; }

    .main-header { background: #fff; }
    .header-row { min-height: 112px; display: grid; grid-template-columns: 310px minmax(320px, 1fr) auto; align-items: center; gap: clamp(24px, 4vw, 64px); }
    .brand-logo { display: block; width: 285px; }
    .brand-logo img { display: block; width: 100%; height: auto; }
    .main-header .search { display: flex; width: 100%; height: 52px; }
    .main-header .search input { min-width: 0; flex: 1; padding: 0 17px; border: 1px solid #cfd4cd; border-right: 0; border-radius: 2px 0 0 2px; outline: none; background: #fbfcfa; }
    .main-header .search input:focus { border-color: var(--brand); background: #fff; box-shadow: inset 0 0 0 1px var(--brand); }
    .main-header .search button { width: 58px; display: grid; place-items: center; color: #fff; border: 0; border-radius: 0 2px 2px 0; background: var(--brand-dark); cursor: pointer; transition: background .18s; }
    .main-header .search button:hover { background: #0a6264; }
    .header-actions { display: flex; align-items: stretch; gap: 28px; }
    .header-action { display: flex; align-items: center; gap: 11px; min-width: max-content; }
    .header-action-icon { position: relative; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); }
    .header-action-icon .icon { width: 25px; height: 25px; }
    .header-action strong, .header-action small { display: block; }
    .header-action strong { font-size: .9rem; }
    .header-action small { margin-top: 2px; color: var(--muted); font-size: .78rem; }
    .cart-count { position: absolute; top: -9px; right: -8px; min-width: 21px; height: 21px; padding: 0 5px; display: grid; place-items: center; color: #fff; background: var(--brand-dark); border: 2px solid #fff; border-radius: 50%; font-size: .68rem; font-weight: 900; }
    .mobile-toggle { display: none; width: 46px; border: 1px solid var(--line); background: #fff; cursor: pointer; }

    .nav-shell { position: relative; z-index: 40; color: #fff; background: var(--ink-2); }
    .nav-row { min-height: 58px; display: flex; align-items: stretch; }
    .catalog-nav { position: relative; width: 255px; flex: 0 0 255px; }
    .catalog-trigger { width: 100%; height: 58px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #fff; background: var(--brand-dark); border: 0; cursor: pointer; font-size: .9rem; font-weight: 900; text-transform: uppercase; }
    .catalog-trigger span { display: flex; align-items: center; gap: 10px; }
    .trigger-chevron { transition: transform .2s; }
    .catalog-nav.open .trigger-chevron, .catalog-nav:hover .trigger-chevron { transform: rotate(180deg); }
    .mega-menu { position: absolute; z-index: 50; top: 58px; left: 0; width: min(1180px, calc(100vw - 32px)); padding: 30px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--brand); box-shadow: 0 15px 35px rgba(0,0,0,.18); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s; }
    .catalog-nav:hover .mega-menu, .catalog-nav:focus-within .mega-menu, .catalog-nav.open .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
    .mega-column h3 { margin: 0 0 13px; padding-bottom: 9px; border-bottom: 1px solid var(--line); font-size: .92rem; text-transform: uppercase; }
    .mega-column h3 a { color: var(--brand-dark); }
    .mega-column ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
    .mega-column li a { display: flex; align-items: center; gap: 8px; color: #4b5249; font-size: .9rem; }
    .mega-column li a::before { content: ""; width: 5px; height: 5px; background: var(--brand); }
    .mega-column li a:hover { color: var(--brand-dark); transform: translateX(3px); }
    .main-nav { flex: 1; display: flex; align-items: stretch; }
    .main-nav > a { padding: 0 clamp(13px, 1.45vw, 25px); display: flex; align-items: center; border-right: 1px solid #353c35; font-size: .79rem; font-weight: 800; text-transform: uppercase; white-space: nowrap; }
    .main-nav > a:hover { color: #fff; background: #171c17; }

    .hero { padding: 30px 0 18px; }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 3.25fr) minmax(300px, .75fr); gap: 18px; }
    .hero-main { position: relative; min-height: 430px; overflow: hidden; background: var(--ink); }
    .hero-main > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 54%; opacity: .82; }
    .hero-main::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,10,8,.96) 0%, rgba(8,10,8,.76) 37%, rgba(8,10,8,.08) 74%); }
    .hero-copy { position: relative; z-index: 2; width: min(620px, 56%); min-height: 430px; padding: 52px 50px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; color: #fff; }
    .hero-kicker { margin: 0 0 13px; color: #fff; font-size: .78rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
    .hero h1 { margin: 0; font-size: clamp(2.6rem, 4.4vw, 4.75rem); line-height: .98; letter-spacing: -.055em; }
    .hero-text { max-width: 520px; margin: 22px 0 28px; color: #d5dbd3; font-size: 1.04rem; }
    .hero-buttons { display: flex; gap: 10px; flex-wrap: wrap; }
    .hero-side { display: grid; grid-template-rows: 1fr 1fr; gap: 18px; }
    .promo { position: relative; min-height: 206px; padding: 25px; overflow: hidden; background: #fff; border: 1px solid var(--line); }
    .promo.green { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
    .promo.dark { color: #fff; background: var(--ink-2); border-color: var(--ink-2); }
    .promo-label { margin: 0 0 10px; color: #fff; font-size: .72rem; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
    .promo.dark .promo-label { color: #fff; }
    .promo-title { max-width: 260px; margin: 0; font-size: clamp(1.35rem, 2vw, 2rem); line-height: 1.05; letter-spacing: -.035em; }
    .promo p { max-width: 235px; margin: 13px 0 20px; color: rgba(255,255,255,.76); font-size: .88rem; }
    .promo.dark p { color: rgba(255,255,255,.72); }
    .promo-link { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 900; text-transform: uppercase; }
    .promo-number { position: absolute; right: -10px; bottom: -48px; color: #fff; font-size: 9rem; line-height: 1; font-weight: 900; opacity: .08; }

    .benefit-bar { margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line); }
    .benefit { min-height: 82px; padding: 16px 22px; display: flex; align-items: center; gap: 14px; border-right: 1px solid var(--line); }
    .benefit:last-child { border: 0; }
    .benefit-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--brand-dark); background: var(--brand-soft); }
    .benefit strong, .benefit small { display: block; }
    .benefit strong { font-size: .9rem; }
    .benefit small { margin-top: 2px; color: var(--muted); font-size: .78rem; }

    .category-strip { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); background: #fff; border: 1px solid var(--line); }
    .category-tile { min-width: 0; padding: 17px 12px 18px; display: flex; flex-direction: column; align-items: center; text-align: center; border-right: 1px solid var(--line); transition: .18s; }
    .category-tile:last-child { border: 0; }
    .category-tile:hover { position: relative; z-index: 1; box-shadow: inset 0 -4px var(--brand), var(--shadow); }
    .category-image { width: 100%; height: 112px; object-fit: contain; mix-blend-mode: multiply; }
    .category-name { margin-top: 10px; font-size: .86rem; line-height: 1.2; font-weight: 800; }

    .tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
    .tab { min-height: 39px; padding: 0 16px; color: #555d53; background: #fff; border: 1px solid var(--line); border-radius: 1px; cursor: pointer; font-size: .84rem; font-weight: 800; }
    .tab:hover, .tab.active { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
    .products-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
    .product-card { position: relative; min-width: 0; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); transition: .18s; }
    .product-card[hidden] { display: none; }
    .product-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #c8cec5; }
    .product-photo { position: relative; height: 238px; padding: 16px; display: grid; place-items: center; border-bottom: 1px solid #edf0eb; background: #fff; }
    .product-photo img { width: 100%; height: 100%; object-fit: contain; }
    .badge { position: absolute; z-index: 2; top: 10px; left: 10px; padding: 4px 8px; color: #fff; background: var(--brand-dark); font-size: .7rem; font-weight: 900; text-transform: uppercase; }
    .badge.sale { background: var(--danger); }
    .wishlist { position: absolute; z-index: 2; top: 9px; right: 9px; width: 34px; height: 34px; display: grid; place-items: center; color: #7d857b; background: #fff; border: 1px solid var(--line); border-radius: 50%; cursor: pointer; }
    .wishlist:hover, .wishlist.active { color: var(--danger); border-color: var(--danger); }
    .product-body { flex: 1; padding: 16px 16px 10px; }
    .product-brand { margin: 0 0 7px; color: var(--brand-dark); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
    .product-title { min-height: 45px; margin: 0; font-size: .92rem; line-height: 1.32; font-weight: 800; }
    .product-title a:hover { color: var(--brand-dark); }
    .product-data { padding: 13px 16px 16px; display: flex; align-items: end; justify-content: space-between; gap: 10px; border-top: 1px solid #edf0eb; }
    .price { font-size: 1.08rem; font-weight: 900; color: var(--brand-dark); }
    .stock { margin-top: 4px; color: #788076; font-size: .72rem; }
    .stock::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 5px; background: var(--status); border-radius: 50%; }
    .add-cart { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: var(--ink); border: 0; border-radius: 1px; cursor: pointer; }
    .product-data form { margin: 0; }
    .add-cart:hover { color: #fff; background: var(--brand-dark); }

    .service-band { color: #fff; background: var(--ink-2); }
    .service-layout { display: grid; grid-template-columns: 1.05fr 1.95fr; align-items: stretch; }
    .service-lead { padding: 50px 48px 50px 0; }
    .service-label { margin: 0 0 12px; color: #fff; font-size: .78rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
    .service-lead h2 { margin: 0; font-size: clamp(2rem, 3.5vw, 3.6rem); line-height: 1; letter-spacing: -.045em; }
    .service-lead p { max-width: 500px; margin: 20px 0 26px; color: rgba(255,255,255,.72); }
    .service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-left: 1px solid #3b413b; }
    .service-card { padding: 35px; border-right: 1px solid #3b413b; border-bottom: 1px solid #3b413b; }
    .service-card:nth-last-child(-n+2) { border-bottom: 0; }
    .service-index { color: #fff; font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
    .service-card h3 { margin: 17px 0 8px; font-size: 1.28rem; }
    .service-card p { margin: 0; color: rgba(255,255,255,.68); font-size: .88rem; }

    .works-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .work-card { position: relative; min-height: 255px; overflow: hidden; background: var(--ink); }
    .work-card img { width: 100%; height: 255px; object-fit: cover; image-rendering: auto; transition: transform .35s; }
    .work-card:hover img { transform: scale(1.04); }
    .work-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,10,8,.9), transparent 64%); }
    .work-copy { position: absolute; z-index: 1; left: 18px; right: 18px; bottom: 17px; color: #fff; }
    .work-copy span { color: #fff; font-size: .7rem; font-weight: 900; text-transform: uppercase; }
    .work-copy h3 { margin: 4px 0 0; font-size: 1.05rem; }

    .consult { padding: 35px 0; color: #fff; background: var(--brand-dark); }
    .consult-inner { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
    .consult h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.8rem); line-height: 1.05; letter-spacing: -.035em; }
    .consult p { margin: 8px 0 0; color: rgba(255,255,255,.76); }

    .footer { padding: 52px 0 18px; color: #c9cec7; background: #0b0e0b; }
    .footer-grid { display: grid; grid-template-columns: 1.25fr repeat(3, .8fr); gap: 50px; align-items: start; }
    .footer-brand { padding-right: 28px; }
    .footer-logo { display: block; width: min(270px, 100%); height: auto; }
    .footer-note { max-width: 350px; margin: 20px 0 0; padding-top: 18px; color: rgba(255,255,255,.72); border-top: 1px solid #272c27; font-size: .88rem; }
    .footer-social { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
    .footer-social-label { flex-basis: 100%; margin-bottom: 1px; color: inherit; font-size: .73rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
    .footer-social a { width: 38px; height: 38px; display: grid; place-items: center; color: var(--brand-dark); background: #fff; border: 1px solid var(--line); border-radius: 2px; transition: color .18s, background .18s, border-color .18s; }
    .footer-social a:hover, .footer-social a:focus-visible { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
    .footer-social a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
    .footer-social svg { width: 19px; height: 19px; }
    .footer h3 { margin: 0 0 18px; color: #fff; font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; }
    .footer-links { display: grid; gap: 9px; color: rgba(255,255,255,.78); font-size: .88rem; }
    .footer-links a:hover { color: #fff; }
    .footer-contact { display: flex; gap: 9px; align-items: flex-start; }
    .footer-contact .icon { flex: 0 0 auto; width: 18px; height: 18px; color: var(--brand); margin-top: 2px; }
    .footer-bottom { margin-top: 43px; padding-top: 16px; display: flex; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.62); border-top: 1px solid #272c27; font-size: .78rem; }

    .toast { position: fixed; right: 20px; bottom: 20px; z-index: 100; padding: 13px 17px; display: flex; align-items: center; gap: 10px; color: #fff; background: var(--ink); border-left: 4px solid var(--brand); box-shadow: 0 12px 30px rgba(0,0,0,.2); transform: translateY(130%); opacity: 0; transition: .25s; }
    .toast.show { transform: translateY(0); opacity: 1; }
    .toast .icon { color: var(--brand); }

    /* Світлий варіант: ?theme=light */
    html[data-theme="light"] {
      --surface: #f7fafa;
      --line: #d7e4e3;
      --ink: #172525;
    }
    html[data-theme="light"] .utility { color: var(--ink); background: #e8f5f5; border-color: var(--line); }
    html[data-theme="light"] .utility strong { color: var(--brand-dark); }
    html[data-theme="light"] .utility a:hover { color: var(--brand-dark); opacity: 1; }
    html[data-theme="light"] .nav-shell { color: var(--ink); background: #fff; border-block: 1px solid var(--line); }
    html[data-theme="light"] .main-nav > a { border-color: var(--line); }
    html[data-theme="light"] .main-nav > a:hover { color: var(--brand-dark); background: var(--brand-soft); }
    html[data-theme="light"] .promo.dark { color: var(--ink); background: #fff; border-color: var(--line); }
    html[data-theme="light"] .promo.dark .promo-label,
    html[data-theme="light"] .promo.dark .promo-number { color: var(--brand-dark); }
    html[data-theme="light"] .promo.dark p { color: var(--muted); }
    html[data-theme="light"] .service-band { color: var(--ink); background: #fff; border-block: 1px solid var(--line); }
    html[data-theme="light"] .service-label,
    html[data-theme="light"] .service-index { color: var(--brand-dark); }
    html[data-theme="light"] .service-lead p,
    html[data-theme="light"] .service-card p { color: var(--muted); }
    html[data-theme="light"] .service-grid,
    html[data-theme="light"] .service-card { border-color: var(--line); }
    html[data-theme="light"] .footer { color: var(--ink); background: #edf6f5; }
    html[data-theme="light"] .footer h3 { color: var(--ink); }
    html[data-theme="light"] .footer-note,
    html[data-theme="light"] .footer-links { color: #526260; }
    html[data-theme="light"] .footer-note,
    html[data-theme="light"] .footer-bottom { border-color: #ccdada; }
    html[data-theme="light"] .footer-bottom { color: #697876; }
    html[data-theme="light"] .footer-links a:hover { color: var(--brand-dark); }

    /* Бірюзовий варіант: ?theme=aqua */
    html[data-theme="aqua"] {
      --surface: #edf8f8;
      --line: #cfe1e1;
      --ink: #123032;
    }
    html[data-theme="aqua"] .utility { background: var(--brand); border-color: rgba(255,255,255,.22); }
    html[data-theme="aqua"] .nav-shell { background: var(--brand); }
    html[data-theme="aqua"] .catalog-trigger { background: var(--brand-dark); }
    html[data-theme="aqua"] .main-nav > a { border-color: rgba(255,255,255,.2); }
    html[data-theme="aqua"] .main-nav > a:hover { color: #fff; background: rgba(0,0,0,.12); }
    html[data-theme="aqua"] .hero-main::after { background: linear-gradient(90deg, rgba(5,45,46,.95) 0%, rgba(5,45,46,.72) 38%, rgba(5,45,46,.07) 74%); }
    html[data-theme="aqua"] .promo.green { background: var(--brand); border-color: var(--brand); }
    html[data-theme="aqua"] .promo.dark { background: var(--brand-dark); border-color: var(--brand-dark); }
    html[data-theme="aqua"] .service-band { color: var(--ink); background: var(--brand-soft); border-block: 1px solid var(--line); }
    html[data-theme="aqua"] .service-label,
    html[data-theme="aqua"] .service-index { color: var(--brand-dark); }
    html[data-theme="aqua"] .service-lead p,
    html[data-theme="aqua"] .service-card p { color: #566766; }
    html[data-theme="aqua"] .service-grid,
    html[data-theme="aqua"] .service-card { border-color: #bdd7d6; }
    html[data-theme="aqua"] .consult { background: var(--brand); }
    html[data-theme="aqua"] .footer { color: #fff; background: var(--brand-dark); }
    html[data-theme="aqua"] .footer-note,
    html[data-theme="aqua"] .footer-links { color: rgba(255,255,255,.82); }
    html[data-theme="aqua"] .footer-note,
    html[data-theme="aqua"] .footer-bottom { border-color: rgba(255,255,255,.18); }
    html[data-theme="aqua"] .footer-bottom { color: rgba(255,255,255,.68); }
    html[data-theme="aqua"] .footer-links a:hover { color: #fff; }

    @media (max-width: 1320px) {
      .products-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .category-strip { grid-template-columns: repeat(4, 1fr); }
      .category-tile:nth-child(4n) { border-right: 0; }
      .category-tile:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
      .main-nav > a { padding-inline: 12px; font-size: .73rem; }
    }

    @media (max-width: 1060px) {
      .header-row { grid-template-columns: 235px 1fr auto; gap: 20px; }
      .brand-logo { width: 225px; }
      .header-action-text { display: none; }
      .main-nav > a:nth-last-child(-n+2) { display: none; }
      .hero-grid { grid-template-columns: 1fr; }
      .hero-side { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
      .promo { min-height: 180px; }
      .benefit-bar { grid-template-columns: repeat(2, 1fr); }
      .benefit:nth-child(2) { border-right: 0; }
      .benefit:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .service-layout { grid-template-columns: 1fr; }
      .service-lead { padding-right: 0; }
      .service-grid { border-top: 1px solid #3b413b; }
      .works-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 850px) {
      :root { --container: calc(100% - 24px); }
      .utility-inner { justify-content: center; }
      .utility-group:first-child a:not(:last-child), .utility-group:last-child { display: none; }
      .header-row { min-height: 0; grid-template-columns: minmax(0, 1fr) auto; column-gap: 8px; row-gap: 9px; padding-block: 10px; }
      .brand-logo { width: 205px; }
      .brand-logo img { max-height: 48px; transform: translateX(-8px); }
      .header-actions { gap: 8px; }
      .header-actions .header-action:first-child { display: none; }
      .mobile-toggle { display: grid; place-items: center; height: 46px; }
      .main-header .search { grid-column: 1 / -1; grid-row: 2; height: 46px; margin: 0; }
      .main-header .search button { width: 52px; }
      .nav-shell { display: none; position: fixed; inset: 0; z-index: 80; padding: 18px 12px; overflow: auto; }
      .nav-shell.open { display: block; }
      .nav-row { width: 100%; min-height: 0; flex-direction: column; }
      .catalog-nav { width: 100%; flex-basis: auto; }
      .catalog-trigger { height: 52px; }
      .mega-menu { position: static; width: 100%; margin: 0; padding: 22px 17px; display: none; grid-template-columns: 1fr; gap: 24px; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
      .catalog-nav.open .mega-menu { display: grid; }
      .main-nav { margin-top: 12px; flex-direction: column; }
      .main-nav > a, .main-nav > a:nth-last-child(-n+2) { min-height: 48px; display: flex; border-right: 0; border-bottom: 1px solid #343a34; }
      .hero { padding-top: 12px; }
      .hero-main { min-height: 520px; }
      .hero-main::after { background: linear-gradient(180deg, rgba(8,10,8,.98) 0%, rgba(8,10,8,.76) 57%, rgba(8,10,8,.14) 100%); }
      html[data-theme="aqua"] .hero-main::after { background: linear-gradient(180deg, rgba(5,45,46,.98) 0%, rgba(5,45,46,.76) 57%, rgba(5,45,46,.12) 100%); }
      .hero-copy { width: 100%; min-height: 520px; padding: 36px 25px 150px; justify-content: flex-start; }
      .hero h1 { font-size: clamp(2.5rem, 13vw, 4rem); }
      .hero-text { font-size: .96rem; }
      .hero-side { grid-template-columns: 1fr; }
      .benefit-bar { grid-template-columns: 1fr; }
      .benefit { border-right: 0; border-bottom: 1px solid var(--line); }
      .benefit:nth-child(n) { border-bottom: 1px solid var(--line); }
      .benefit:last-child { border-bottom: 0; }
      .category-strip { grid-template-columns: repeat(2, 1fr); }
      .category-tile:nth-child(n) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
      .category-tile:nth-child(2n) { border-right: 0; }
      .category-tile:nth-last-child(-n+2) { border-bottom: 0; }
      .products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
      .product-photo { height: 190px; padding: 10px; }
      .service-grid { grid-template-columns: 1fr; }
      .service-card { border-right: 0; border-bottom: 1px solid #3b413b !important; }
      .service-card:last-child { border-bottom: 0 !important; }
      .consult-inner { grid-template-columns: 1fr; gap: 22px; }
      .consult .button { width: 100%; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 480px) {
      .brand-logo { width: 165px; }
      .header-action-icon, .mobile-toggle { width: 42px; height: 42px; }
      .hero-main, .hero-copy { min-height: 565px; }
      .hero-copy { padding-inline: 22px; }
      .hero-buttons { width: 100%; }
      .hero-buttons .button { width: 100%; }
      .section { padding: 34px 0; }
      .section-head { align-items: flex-start; flex-direction: column; }
      .section-link { margin-top: 5px; }
      .category-image { height: 90px; }
      .products-grid { grid-template-columns: 1fr; }
      .product-photo { height: 270px; }
      .works-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition-duration: .01ms !important; }
    }

    .contact-float { position: fixed; right: 22px; bottom: 22px; z-index: 100; font-family: "Segoe UI", Arial, sans-serif; }
    body.cart-modal-open { overflow: hidden; }
    .cart-modal[hidden] { display: none; }
    .cart-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 16px; font-family: "Segoe UI", Arial, sans-serif; }
    .cart-modal-backdrop { position: absolute; inset: 0; background: rgba(9, 27, 27, .56); }
    .cart-modal-dialog { position: relative; width: min(100%, 610px); max-height: min(90vh, 780px); overflow: auto; padding: 28px; background: #fff; border-top: 4px solid var(--brand); border-radius: 2px; box-shadow: 0 24px 70px rgba(0, 0, 0, .23); }
    .cart-modal-close { position: absolute; top: 12px; right: 13px; width: 36px; height: 36px; border: 0; background: transparent; color: var(--muted); font-size: 30px; line-height: 1; cursor: pointer; }
    .cart-modal-close:hover { color: var(--ink); }
    .cart-modal-heading { display: flex; align-items: center; gap: 15px; padding-right: 35px; }
    .cart-modal-check { width: 45px; height: 45px; flex: 0 0 45px; display: grid; place-items: center; color: #fff; background: var(--brand-dark); border-radius: 50%; font-size: 24px; font-weight: 800; }
    .cart-modal-heading p { margin: 0 0 2px; color: var(--brand-dark); font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
    .cart-modal-heading h2 { margin: 0; color: var(--ink); font-size: 1.42rem; line-height: 1.2; }
    .cart-modal-product { display: flex; align-items: center; gap: 18px; margin: 24px 0; padding: 14px; background: var(--surface); border: 1px solid var(--line); }
    .cart-modal-product img { width: 100px; height: 100px; flex: 0 0 100px; object-fit: contain; background: #fff; }
    .cart-modal-product strong { display: block; color: var(--ink); font-size: 1rem; line-height: 1.3; }
    .cart-modal-product span { display: block; margin-top: 8px; color: var(--muted); font-size: .88rem; }
    .cart-modal-summary { display: flex; justify-content: space-between; gap: 15px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
    .cart-modal-summary strong { color: var(--ink); font-size: 1rem; }
    .cart-modal-actions { display: flex; gap: 10px; margin-top: 23px; }
    .cart-modal-actions > * { min-height: 47px; flex: 1; display: inline-flex; justify-content: center; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 2px; font-size: .86rem; font-weight: 800; text-align: center; cursor: pointer; }
    .cart-modal-continue { color: var(--brand-dark); background: #fff; border: 1px solid var(--line); }
    .cart-modal-continue:hover { background: var(--brand-soft); }
    .cart-modal-checkout { color: #fff; background: var(--brand-dark); border: 1px solid var(--brand-dark); }
    .cart-modal-checkout:hover { color: #fff; background: #0a6466; }
    .contact-float-toggle { width: 60px; height: 60px; display: grid; place-items: center; color: #fff; background: var(--brand-dark); border: 2px solid #fff; border-radius: 50%; box-shadow: 0 8px 26px rgba(11, 75, 76, .27); cursor: pointer; }
    .contact-float-toggle .icon { width: 29px; height: 29px; }
    .contact-float-close { display: none; font-size: 35px; font-weight: 300; line-height: 1; }
    .contact-float.open .contact-float-toggle .icon { display: none; }
    .contact-float.open .contact-float-close { display: block; }
    .contact-float-panel { position: absolute; right: 0; bottom: 72px; width: 252px; padding: 12px; display: none; background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--brand); box-shadow: 0 14px 38px rgba(15, 45, 45, .19); }
    .contact-float.open .contact-float-panel { display: block; }
    .contact-float-panel > strong { display: block; padding: 4px 7px 10px; font-size: .92rem; }
    .contact-float-panel a { min-height: 42px; padding: 6px 7px; display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: .88rem; font-weight: 700; }
    .contact-float-panel a:hover, .contact-float-panel a:focus-visible { color: var(--brand-dark); background: var(--brand-soft); }
    .contact-float-panel small { display: block; color: var(--muted); font-size: .75rem; font-weight: 400; }
    .contact-float-mark { width: 29px; height: 29px; flex: 0 0 29px; display: grid; place-items: center; color: #fff; background: var(--brand-dark); border-radius: 2px; font-size: .68rem; font-weight: 800; }
    .utility-inner::before, .utility-inner::after, .header-row::before, .header-row::after, .nav-row::before, .nav-row::after { content: none !important; display: none !important; }
    @media (max-width: 760px) {
      .contact-float { right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); }
      .contact-float-toggle { width: 54px; height: 54px; }
      .contact-float-panel { bottom: 64px; }
      .cart-modal-dialog { padding: 22px 16px; }
      .cart-modal-heading h2 { font-size: 1.2rem; }
      .cart-modal-actions { flex-direction: column-reverse; }
      .cart-modal-summary { flex-direction: column; gap: 5px; }
    }

    .one-click-trigger { color: var(--brand-dark); background: #fff; border: 1px solid var(--brand-dark); border-radius: 2px; cursor: pointer; font-size: .84rem; font-weight: 850; transition: background .18s, color .18s; }
    .one-click-trigger:hover, .one-click-trigger:focus-visible { color: #fff; background: var(--brand-dark); }
    .one-click-trigger:disabled { opacity: .46; cursor: not-allowed; }
    .product-one-click { width: calc(100% - 32px); min-height: 39px; margin: 0 16px 16px; display: flex; align-items: center; justify-content: center; gap: 8px; }
    .one-click-trigger span { font-size: 1.1rem; line-height: 1; }

    .local-expertise { padding-top: 30px; padding-bottom: 60px; }
    .local-expertise-head { display: grid; grid-template-columns: 1fr minmax(300px, .85fr); align-items: end; gap: 36px; margin-bottom: 16px; padding: 28px 32px; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--brand); }
    .local-expertise-eyebrow { margin: 0 0 9px !important; color: var(--brand-dark) !important; font-size: .73rem; font-weight: 900; letter-spacing: .13em; }
    .local-expertise-head h2 { margin: 0; font-size: clamp(1.8rem, 2.8vw, 2.8rem); line-height: 1.08; letter-spacing: -.035em; }
    .local-expertise-head > p { margin: 0; max-width: 650px; color: #52615f; font-size: .96rem; }
    .local-expertise-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
    .local-expertise-card { grid-column: span 2; min-width: 0; padding: 26px 26px 22px; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); }
    .local-expertise-card:nth-last-child(-n+2) { grid-column: span 3; }
    .local-expertise-card > span { color: var(--brand-dark); font-size: .7rem; font-weight: 900; letter-spacing: .12em; }
    .local-expertise-card h3 { margin: 11px 0 10px; font-size: 1.12rem; line-height: 1.2; }
    .local-expertise-card p { margin: 0 0 20px; color: #586664; font-size: .88rem; line-height: 1.58; }
    .local-expertise-card a { margin-top: auto; color: var(--brand-dark); font-size: .83rem; font-weight: 850; }
    .local-expertise-card a:hover { text-decoration: underline; }

    body.one-click-open { overflow: hidden; }
    .one-click-modal[hidden] { display: none; }
    .one-click-modal { position: fixed; inset: 0; z-index: 250; display: grid; place-items: center; padding: 16px; }
    .one-click-backdrop { position: absolute; inset: 0; background: rgba(9, 27, 27, .6); }
    .one-click-dialog { position: relative; width: min(100%, 480px); max-height: min(90vh, 760px); overflow: auto; padding: 28px; background: #fff; border-top: 4px solid var(--brand); border-radius: 2px; box-shadow: 0 24px 70px rgba(0, 0, 0, .23); }
    .one-click-close { position: absolute; top: 8px; right: 13px; width: 36px; height: 36px; color: var(--muted); background: transparent; border: 0; font-size: 30px; line-height: 1; cursor: pointer; }
    .one-click-close:hover { color: var(--ink); }
    .one-click-content { min-height: 100px; }
    .one-click-loading { margin: 32px 0; color: var(--muted); text-align: center; }
    .one-click-error { margin: 32px 0; padding: 14px; color: #8a2222; background: #fff0f0; border: 1px solid #f0caca; }
    .one-click-dialog #quick_order, .one-click-dialog #ecm_quickorderform, .one-click-dialog #ecm_quickorderform .row { width: 100%; margin: 0; padding: 0; background: transparent; border: 0; box-shadow: none; }
    .one-click-dialog #ecm_quickorderform fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
    .one-click-dialog #ecm_quickorderform .ecm_col, .one-click-dialog #ecm_quickorderform .ecm_form_content { float: none; width: 100%; margin: 0; padding: 0; }
    .one-click-dialog #ecm_quickorderform h3 { margin: 0 38px 20px 0; padding: 0; color: var(--ink); background: transparent; font: 850 1.5rem/1.2 "Segoe UI", Arial, sans-serif; text-align: left; white-space: normal; }
    .one-click-dialog #ecm_quickorderform .form-group { margin: 0 0 16px; }
    .one-click-dialog #ecm_quickorderform label { display: block; margin-bottom: 6px; color: var(--ink); font-size: .82rem; font-weight: 800; }
    .one-click-dialog #ecm_quickorderform input:not([type="hidden"]) { width: 100%; min-height: 46px; padding: 10px 12px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 2px; box-shadow: none; }
    .one-click-dialog #ecm_quickorderform input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
    .one-click-dialog #ecm_quickorderform .submit { margin: 22px 0 0; }
    .one-click-dialog #quickorder_button { width: 100%; min-height: 49px; margin: 0; color: #fff; background: var(--brand-dark); border: 0; border-radius: 2px; cursor: pointer; font-weight: 850; }
    .one-click-dialog #quickorder_button:disabled { opacity: .55; cursor: wait; }
    .one-click-dialog #error { display: none; margin: 15px 0 0 !important; padding: 12px; color: #8a2222; background: #fff0f0; border: 1px solid #f0caca; }
    .one-click-dialog #error ol { margin: 0; padding-left: 20px; }
    .one-click-dialog #error .alert { margin: 0; padding: 0; color: inherit; background: transparent; border: 0; }
    @media (max-width: 980px) { .local-expertise-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .local-expertise-card, .local-expertise-card:nth-last-child(-n+2) { grid-column: auto; } }
    @media (max-width: 760px) { .local-expertise-head { grid-template-columns: 1fr; gap: 13px; padding: 24px 20px; } .local-expertise-grid { grid-template-columns: 1fr; } .local-expertise-card { padding: 23px 20px; } .one-click-dialog { padding: 25px 18px; } }