:root {
    --btfixo-red: #a8201c;
    --btfixo-red-dark: #841814;
    --btfixo-soft: #fbf3f2;
}

.btfixo-page { background: #fff; }
.btfixo-page main h2 { font-size: clamp(1.65rem,4.5vw,2.35rem); }
.btfixo-eyebrow { color: var(--btfixo-red); font-size: .73rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.btfixo-eyebrow--light { color: rgba(255,255,255,.75); }
.btfixo-hero .btfixo-eyebrow { display: inline-flex; align-items: center; gap: 9px; }
.btfixo-hero .btfixo-eyebrow::before { width: 25px; height: 2px; content: ""; background: currentColor; }
.button--btfixo { color: #fff; background: var(--btfixo-red); border-color: var(--btfixo-red); }
.button--btfixo:hover,.button--btfixo:focus-visible { color: #fff; background: var(--btfixo-red-dark); border-color: var(--btfixo-red-dark); }

.btfixo-hero { min-height: 540px; display: grid; align-items: center; color: #fff; background-position: center; background-size: cover; }
.btfixo-hero__content { padding-block: 58px 64px; }
.btfixo-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 30px; color: rgba(255,255,255,.72); font-size: .78rem; }
.btfixo-breadcrumb a { color: inherit; text-decoration: none; }
.btfixo-breadcrumb a:hover,.btfixo-breadcrumb a:focus-visible { color: #fff; text-decoration: none; }
.btfixo-breadcrumb svg { width: 13px; height: 13px; }
.btfixo-breadcrumb--dark { color: var(--ink-600); }
.btfixo-breadcrumb--dark a:hover,.btfixo-breadcrumb--dark a:focus-visible { color: var(--btfixo-red); }
.btfixo-hero h1 { max-width: 740px; margin: 0; color: #fff; font-size: clamp(2rem,8vw,3.25rem); line-height: 1.15; }
.btfixo-hero__content > p { max-width: 700px; margin-top: 22px; color: rgba(255,255,255,.82); font-size: clamp(1rem,2.3vw,1.18rem); }
.btfixo-hero__actions,.btfixo-product-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btfixo-hero__actions { gap: 12px; margin-top: 32px; }
.btfixo-hero__facts { display: grid; gap: 14px; margin: 44px 0 0; padding: 0; list-style: none; }
.btfixo-hero__facts li { display: grid; grid-template-columns: 62px minmax(0,1fr); align-items: center; gap: 12px; }
.btfixo-hero__facts strong { color: #fff; font-size: 1.32rem; }
.btfixo-hero__facts span { color: rgba(255,255,255,.72); font-size: .87rem; }

.btfixo-intro,.btfixo-catalog,.btfixo-category-listing,.btfixo-technical { padding: clamp(58px,8vw,104px) 0; }
.btfixo-intro__grid,.btfixo-contact__grid { display: grid; gap: 24px; align-items: end; }
.btfixo-intro h2,.btfixo-results h2,.btfixo-category-listing h2,.btfixo-info-card h2,.btfixo-application h2 { margin: 8px 0 0; font-size: clamp(1.8rem,3vw,2.8rem); }
.btfixo-intro__grid > p { max-width: 650px; margin: 0; color: var(--ink-600); }
.btfixo-category-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.btfixo-category-links a { display: inline-flex; align-items: center; gap: 7px; padding: 10px 15px; color: var(--ink-700); background: var(--btfixo-soft); border: 1px solid #ead1cf; border-radius: 999px; font-size: .82rem; font-weight: 700; text-decoration: none; transition: color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease; }
.btfixo-category-links a:hover,.btfixo-category-links a:focus-visible { color: var(--btfixo-red); background: #f8e8e6; border-color: #dfbbb8; box-shadow: 0 4px 10px rgba(168,32,28,.09); text-decoration: none; transform: translateY(-1px); }
.btfixo-category-links a svg { width: 14px; height: 14px; }

.btfixo-catalog,.btfixo-category-listing { background: #f5f6f8; }
.btfixo-catalog__layout { display: grid; gap: 32px; }
.btfixo-filters { align-self: start; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 16px 36px rgba(18,28,45,.06); }
.btfixo-filters__heading { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(--line); font-size: .9rem; font-weight: 800; }
.btfixo-filters__heading button { padding: 0; color: var(--btfixo-red); background: none; border: 0; font-size: .78rem; font-weight: 700; cursor: pointer; }
.btfixo-filters fieldset { margin: 0; padding: 0; border: 0; }
.btfixo-filters legend { margin-bottom: 12px; color: var(--ink-600); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.btfixo-filter-list { display: grid; gap: 7px; }
.btfixo-filter-list button { width: 100%; padding: 11px 12px; color: var(--ink-700); background: #fff; border: 1px solid transparent; border-radius: 8px; text-align: left; font: inherit; font-size: .84rem; cursor: pointer; }
.btfixo-filter-list button:hover,.btfixo-filter-list button:focus-visible,.btfixo-filter-list button.is-active { color: var(--btfixo-red); background: var(--btfixo-soft); border-color: #e8cac8; font-weight: 800; }
.btfixo-results__header,.btfixo-category-listing__heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 28px; }
.btfixo-results__header p { margin: 0; color: var(--ink-600); font-size: .86rem; }
.btfixo-grid { display: grid; gap: 22px; }
.btfixo-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 15px 34px rgba(18,28,45,.06); }
.btfixo-card[hidden] { display: none; }
.btfixo-card__image { position: relative; aspect-ratio: 16/10; padding: 18px; background: linear-gradient(145deg,#fff,#f0f1f3); }
.btfixo-card__image img { width: 100%; height: 100%; object-fit: contain; }
.btfixo-card__image span { position: absolute; top: 14px; left: 14px; padding: 6px 9px; color: #fff; background: var(--btfixo-red); border-radius: 999px; font-size: .64rem; font-weight: 800; }
.btfixo-card__body { display: flex; flex-direction: column; min-height: 258px; padding: 22px; }
.btfixo-card__series,.btfixo-product-hero__series { margin: 0 0 7px; color: var(--btfixo-red); font-size: .72rem; font-weight: 800; letter-spacing: .055em; text-transform: uppercase; }
.btfixo-card h3 { margin: 0; color: var(--ink-900); font-size: 1.15rem; }
.btfixo-card__summary { margin: 11px 0 22px; color: var(--ink-600); font-size: .86rem; }
.btfixo-card__actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin-top: auto; }
.btfixo-card__actions .button { min-width: 0; padding-inline: 10px; white-space: nowrap; font-size: .76rem; }
.btfixo-empty { padding: 52px 22px; background: #fff; border: 1px dashed #d1d5db; border-radius: var(--radius-lg); text-align: center; }

.btfixo-category-hero,.btfixo-product-hero { padding: 38px 0 clamp(58px,8vw,98px); background: linear-gradient(135deg,#fff 0%,var(--btfixo-soft) 55%,#f5f6f8 100%); }
.btfixo-category-hero h1,.btfixo-product-hero h1 { max-width: 850px; margin: 10px 0 15px; font-size: clamp(2.15rem,4.7vw,4rem); line-height: 1.02; }
.btfixo-category-hero p,.btfixo-product-hero__summary { max-width: 680px; color: var(--ink-600); font-size: 1.03rem; }
.btfixo-product-hero__grid { display: grid; gap: clamp(34px,6vw,80px); align-items: center; }
.btfixo-gallery__main { aspect-ratio: 16/10; overflow: hidden; padding: clamp(18px,4vw,42px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 22px 48px rgba(18,28,45,.09); }
.btfixo-gallery__main img { width: 100%; height: 100%; object-fit: contain; }

.btfixo-technical { background: #fff; }
.btfixo-technical__grid { display: grid; gap: 24px; }
.btfixo-info-card,.btfixo-spec-card,.btfixo-application { padding: clamp(24px,4vw,42px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 16px 38px rgba(18,28,45,.055); }
.btfixo-info-card ul { display: grid; gap: 14px; margin: 24px 0 0; padding: 0; list-style: none; }
.btfixo-info-card li { position: relative; padding-left: 22px; color: var(--ink-700); }
.btfixo-info-card li::before { position: absolute; top: .48em; left: 0; width: 8px; height: 8px; content: ''; background: var(--btfixo-red); border-radius: 50%; }
.btfixo-spec-card { color: #fff; background: linear-gradient(145deg,#24272b,#111315); border: 0; }
.btfixo-spec-card span { display: block; color: rgba(255,255,255,.65); font-size: .75rem; font-weight: 800; text-transform: uppercase; }
.btfixo-spec-card strong { display: block; margin: 12px 0; color: #fff; font-size: clamp(2.1rem,4vw,3.5rem); }
.btfixo-spec-card p,.btfixo-application p { margin-bottom: 0; color: rgba(255,255,255,.7); }
.btfixo-application { grid-column: 1/-1; }
.btfixo-application p { max-width: 850px; color: var(--ink-600); }

.btfixo-contact { padding: clamp(48px,7vw,80px) 0; color: #fff; background: linear-gradient(120deg,var(--btfixo-red-dark),var(--btfixo-red)); }
.btfixo-contact h2 { max-width: 720px; margin: 8px 0 10px; color: #fff; font-size: clamp(1.8rem,3vw,2.7rem); }
.btfixo-contact p { max-width: 700px; margin: 0; color: rgba(255,255,255,.82); }

@media (min-width:620px) {
    .btfixo-hero__facts { grid-template-columns: repeat(3,minmax(0,1fr)); max-width: 820px; }
    .btfixo-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .btfixo-intro__grid,.btfixo-contact__grid { grid-template-columns: minmax(0,1fr) minmax(260px,.75fr); }
    .btfixo-contact__grid > .button { justify-self: end; }
}
@media (min-width:900px) {
    .btfixo-catalog__layout { grid-template-columns: 250px minmax(0,1fr); gap: 36px; }
    .btfixo-filters { position: sticky; top: 110px; }
    .btfixo-product-hero__grid { grid-template-columns: minmax(0,.9fr) minmax(440px,1.1fr); }
    .btfixo-technical__grid { grid-template-columns: minmax(0,1.4fr) minmax(320px,.6fr); }
}
@media (min-width:1180px) {
    .btfixo-catalog__layout { grid-template-columns: 270px minmax(0,1fr); gap: 42px; }
    .btfixo-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width:619px) {
    .btfixo-hero { min-height: 590px; }
    .btfixo-card__actions { grid-template-columns: 1fr; }
}