/* Каталог KERF: блоки изолированы от сетки товаров и стилей других страниц. */
.g4-catalog-hero,
.g4-catalog-directory,
.g4-catalog-selection,
.g4-catalog-group,
.g4-catalog-help,
.g4-catalog-guide,
#g4-catalog-products { clear: both; }

.g4-catalog-hero *, .g4-catalog-directory *, .g4-catalog-help *, .g4-catalog-guide * { box-sizing: border-box; }
.g4-catalog-hero { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 40px; padding: 38px; margin: 0 0 40px; background: #f5f5f3; border: 1px solid #e8e8e3; border-radius: 16px; }
.g4-catalog-eyebrow { margin: 0 0 12px; color: #a90016; font-size: 11px; font-weight: 700; letter-spacing: .1em; line-height: 1.5; text-transform: uppercase; }
.g4-catalog-eyebrow span { display: inline-block; width: 4px; height: 4px; margin: 0 8px 2px; border-radius: 50%; background: currentColor; }
.g4-catalog-hero h1 { max-width: 760px; margin: 0 0 18px; color: #202323; font-size: clamp(28px, 3.1vw, 43px); font-weight: 700; line-height: 1.12; letter-spacing: -.035em; }
.g4-catalog-intro { max-width: 660px; margin: 0 0 24px; color: #5b6060; font-size: 15px; line-height: 1.65; }
.g4-catalog-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.g4-catalog-button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 46px; padding: 13px 18px; border: 1px solid transparent; border-radius: 7px; font: inherit; font-size: 13px; font-weight: 600; line-height: 1.4; text-decoration: none; cursor: pointer; transition: background .15s; }
.g4-catalog-button--dark { background: #242929; color: #fff; }
.g4-catalog-button--dark:hover { background: #3c4242; color: #fff; text-decoration: none; }
.g4-catalog-button--primary { background: #c20016; color: #fff; }
.g4-catalog-button--primary:hover { background: #a30013; color: #fff; }
.g4-catalog-button:focus-visible, .g4-category-card:focus-visible, .g4-catalog-chips a:focus-visible { outline: 3px solid #c20016; outline-offset: 4px; }
.g4-catalog-hero__note { align-self: center; padding-left: 26px; border-left: 1px solid #dcded8; }
.g4-catalog-note-icon { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; margin-bottom: 14px; color: #a90016; font-size: 32px; background: #fff; border-radius: 10px; }
.g4-catalog-hero__note strong { display: block; font-size: 15px; }
.g4-catalog-hero__note p { margin: 10px 0 14px; color: #626767; font-size: 13px; line-height: 1.6; }
.g4-catalog-hero__note a { color: #a90016; font-size: 12px; font-weight: 600; }
.g4-catalog-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 0 0 22px; }
.g4-catalog-section-heading h2 { margin: 0; font-size: 28px; line-height: 1.2; letter-spacing: -.025em; }
.g4-catalog-section-heading > span { padding-bottom: 4px; color: #777e7e; font-size: 12px; }
.g4-catalog-directory { margin-bottom: 48px; }
.g4-catalog-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.g4-catalog-chips a { display: inline-block; padding: 9px 13px; border: 1px solid #e0e3df; border-radius: 6px; background: #fff; color: #4d5656; font-size: 12px; line-height: 1.4; text-decoration: none; }
.g4-catalog-chips a:hover { color: #a90016; border-color: #c20016; }
.g4-catalog-group { margin: 0 0 28px; scroll-margin-top: 70px; }
.g4-catalog-group__heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.g4-catalog-group h2, .g4-catalog-group h3 { margin: 0 0 14px; color: #272d2d; font-size: 19px; font-weight: 600; line-height: 1.3; }
.g4-catalog-group__heading h3 { margin: 0; }
.g4-catalog-group__heading a { color: #7d343d; font-size: 12px; white-space: nowrap; }
.g4-category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.g4-category-card { display: flex; align-items: center; gap: 14px; min-width: 0; min-height: 110px; padding: 16px; border: 1px solid #e4e7e3; border-radius: 10px; color: #242b2b; background: #fff; text-decoration: none; transition: border-color .15s, box-shadow .15s; }
.g4-category-card:hover { border-color: #c20016; color: #a90016; box-shadow: 0 3px 12px #22222208; text-decoration: none; }
.g4-category-card__image { display: flex; align-items: center; justify-content: center; flex: 0 0 66px; width: 66px; height: 66px; overflow: hidden; background: #f7f8f6; border-radius: 7px; }
.g4-category-card__image img { display: block; width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.g4-category-card__image > span { color: #c20016; font-size: 30px; font-weight: 800; }
.g4-category-card__image svg { width: 34px; height: 34px; color: #a84953; }
.g4-category-card__body { flex: 1; min-width: 0; }
.g4-category-card strong { display: block; font-size: 13px; font-weight: 600; line-height: 1.4; }
.g4-category-card small { display: block; margin-top: 7px; color: #7b8181; font-size: 11px; line-height: 1.4; }
.g4-category-card__arrow { align-self: flex-start; color: #a6abab; font-size: 16px; }
.g4-catalog-selection { margin: -14px 0 26px; padding: 20px 24px; border: 1px solid #e4e7e3; border-radius: 10px; }
.g4-catalog-selection .g4-catalog-selection__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 26px; width: 100%; max-width: none; margin: 0; padding: 0; list-style: none; }
.g4-catalog-selection .g4-catalog-selection__list::before,
.g4-catalog-selection .g4-catalog-selection__list::after { content: none; display: none; }
.g4-catalog-selection li { display: flex; align-items: baseline; gap: 8px; margin: 0; padding: 0; color: #454f4f; font-size: 13px; }
.g4-catalog-selection li::before { content: none; }
.g4-catalog-selection li span { color: #a90016; }
#g4-catalog-products { padding-top: 14px; scroll-margin-top: 70px; }
.g4-catalog-empty { padding: 20px 0; }
.g4-catalog-help { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 30px; margin: 40px 0; padding: 32px; background: #f7f2f1; border: 1px solid #eee2e0; border-radius: 12px; }
.g4-catalog-help h2 { margin: 0 0 12px; font-size: 25px; line-height: 1.25; letter-spacing: -.02em; }
.g4-catalog-help p:not(.g4-catalog-eyebrow) { max-width: 580px; margin: 0; color: #6b6261; font-size: 14px; line-height: 1.6; }
.g4-catalog-help__actions { display: flex; align-items: center; flex-direction: column; gap: 12px; }
.g4-catalog-help__actions > a { color: #7d343d; font-size: 12px; }
.g4-catalog-guide { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; margin: 0 0 44px; padding-top: 10px; }
.g4-catalog-guide h2 { margin: 0 0 18px; font-size: 23px; line-height: 1.3; letter-spacing: -.02em; }
.g4-catalog-guide p { color: #626a6a; font-size: 14px; line-height: 1.75; }
.g4-catalog-steps { margin: 22px 0 0; padding: 0; list-style: none; counter-reset: selection; }
.g4-catalog-steps li { position: relative; margin: 0 0 18px; padding: 0 0 0 42px; counter-increment: selection; }
.g4-catalog-steps li::before { position: absolute; top: 0; left: 0; display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: 1px solid #e2e5df; border-radius: 50%; color: #a90016; background: #fff; font-size: 12px; content: counter(selection, decimal-leading-zero); }
.g4-catalog-steps strong { display: block; margin-bottom: 5px; font-size: 14px; }
.g4-catalog-steps span { color: #6c7474; font-size: 13px; line-height: 1.6; }
.g4-catalog-faq details { padding: 17px 0; border-bottom: 1px solid #e5e8e3; }
.g4-catalog-faq summary { color: #343c3c; font-size: 14px; font-weight: 600; line-height: 1.5; cursor: pointer; }
.g4-catalog-faq p { margin: 12px 0 0; font-size: 13px; }
.g4-catalog-hero--compact { display: block; padding: 24px; margin-bottom: 24px; }
.g4-catalog-hero--compact h1 { margin: 0; font-size: 30px; }

@media (max-width: 1100px) {
    .g4-catalog-hero { grid-template-columns: minmax(0,1fr) 220px; gap: 24px; padding: 28px; }
    .g4-category-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .g4-catalog-guide { gap: 28px; }
}
@media (max-width: 767px) {
    .g4-catalog-hero { display: block; margin-bottom: 28px; padding: 24px 20px; border-radius: 12px; }
    .g4-catalog-hero h1 { font-size: 29px; }
    .g4-catalog-intro { font-size: 14px; }
    .g4-catalog-actions { flex-direction: column; }
    .g4-catalog-hero__note { margin-top: 24px; padding: 18px 0 0; border-left: 0; border-top: 1px solid #dcded8; }
    .g4-catalog-note-icon { display: none; }
    .g4-catalog-hero__note p { margin: 8px 0; }
    .g4-catalog-section-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
    .g4-catalog-section-heading h2 { font-size: 25px; }
    .g4-catalog-section-heading > span { display: none; }
    .g4-catalog-chips { gap: 6px; }
    .g4-catalog-chips a { padding: 8px 10px; font-size: 11px; }
    .g4-category-grid { grid-template-columns: 1fr; gap: 8px; }
    .g4-category-card { min-height: 92px; padding: 12px; }
    .g4-category-card__image { flex-basis: 58px; width: 58px; height: 58px; }
    .g4-category-card strong { font-size: 14px; }
    .g4-catalog-group h3 { font-size: 18px; }
    .g4-catalog-group__heading a { font-size: 11px; }
    .g4-catalog-selection { margin-top: 0; padding: 18px; }
    .g4-catalog-selection .g4-catalog-selection__list { grid-template-columns: 1fr; gap: 12px; }
    .g4-catalog-help { grid-template-columns: 1fr; gap: 20px; padding: 24px 20px; }
    .g4-catalog-help__actions { align-items: stretch; text-align: center; }
    .g4-catalog-guide { grid-template-columns: 1fr; gap: 24px; }
}