/* ==========================================================================
   Teknomaq — rediseño industrial B2B
   Colores corporativos: negro, azul del logotipo (#477AB9) y blanco.
   ========================================================================== */

:root {
    --tk-black: #0b0d10;
    --tk-steel-900: #12161b;
    --tk-steel-800: #1a1f26;
    --tk-steel-700: #262d36;
    --tk-steel-500: #5b6573;
    --tk-steel-300: #aab3bf;
    --tk-steel-200: #d5dae1;
    --tk-steel-100: #eceff3;
    --tk-steel-50:  #f5f7fa;
    --tk-white: #fff;

    --tk-blue: #477ab9;         /* azul del logotipo */
    --tk-blue-dark: #2f5c93;
    --tk-blue-light: #7ea6d8;

    --tk-font-head: 'Barlow Condensed', 'Arial Narrow', sans-serif;
    --tk-font-body: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --tk-radius: 3px;
    --tk-shadow: 0 1px 2px rgba(11, 13, 16, .06), 0 8px 24px rgba(11, 13, 16, .08);

    --bs-primary: var(--tk-blue);
    --bs-link-color: var(--tk-blue-dark);
    --bs-link-hover-color: var(--tk-blue);
    --bs-body-font-family: var(--tk-font-body);
    --bs-body-color: #1d232b;
    --bs-border-radius: var(--tk-radius);
}

html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { font-family: var(--tk-font-body); font-size: 1.0625rem; line-height: 1.6; color: #1d232b; background: var(--tk-white); }
h1, h2, h3, h4, .h1, .h2, .h3 { font-family: var(--tk-font-head); font-weight: 700; letter-spacing: .01em; line-height: 1.1; }
img { max-width: 100%; height: auto; }
a { text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--tk-blue-light); outline-offset: 2px; }

.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 2000; background: #fff; padding: .5rem 1rem; border-radius: var(--tk-radius); }

/* ───────── Botones ───────── */
.btn { font-family: var(--tk-font-head); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; border-radius: var(--tk-radius); }
.btn-lg { font-size: 1.1rem; padding: .7rem 1.5rem; }
.btn-brand { --bs-btn-color: #fff; --bs-btn-bg: var(--tk-blue); --bs-btn-border-color: var(--tk-blue);
    --bs-btn-hover-color: #fff; --bs-btn-hover-bg: var(--tk-blue-dark); --bs-btn-hover-border-color: var(--tk-blue-dark);
    --bs-btn-active-bg: var(--tk-blue-dark); --bs-btn-active-border-color: var(--tk-blue-dark); }
.btn-outline-brand { --bs-btn-color: var(--tk-blue-dark); --bs-btn-border-color: var(--tk-blue);
    --bs-btn-hover-color: #fff; --bs-btn-hover-bg: var(--tk-blue); --bs-btn-hover-border-color: var(--tk-blue); }
.btn-link-arrow { font-family: var(--tk-font-head); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; color: var(--tk-blue-dark); white-space: nowrap; }
.btn-link-arrow i { transition: transform .2s; display: inline-block; }
.btn-link-arrow:hover i { transform: translateX(4px); }

.eyebrow { display: inline-block; font-family: var(--tk-font-head); font-weight: 600; font-size: .95rem; letter-spacing: .18em; text-transform: uppercase; color: var(--tk-blue-light); margin-bottom: .6rem; }
.eyebrow::before { content: ''; display: inline-block; width: 28px; height: 3px; background: var(--tk-blue); margin-right: .6rem; vertical-align: middle; }
.eyebrow--dark { color: var(--tk-blue-dark); }

/* ───────── Barra superior ───────── */
.topbar { background: var(--tk-black); color: var(--tk-steel-300); font-size: .85rem; padding: .4rem 0; border-bottom: 1px solid var(--tk-steel-700); }
.topbar a { color: var(--tk-steel-200); text-decoration: none; margin-left: 1.25rem; }
.topbar a:hover { color: #fff; }
.topbar i { color: var(--tk-blue); margin-right: .3rem; }
.topbar__sep { display: inline-block; width: 1px; height: 12px; background: var(--tk-steel-700); margin: 0 .9rem; vertical-align: middle; }

/* ───────── Header / navegación ───────── */
.site-header { background: var(--tk-black); position: sticky; top: 0; z-index: 1030; border-bottom: 3px solid var(--tk-blue); }
.site-header .navbar { padding: .45rem 0; }
.navbar-brand img { height: 40px; width: auto; max-width: 70vw; }
.site-header .nav-link { font-family: var(--tk-font-head); font-weight: 600; font-size: 1.1rem; letter-spacing: .08em; text-transform: uppercase; color: var(--tk-steel-200); padding: .9rem .85rem !important; position: relative; }
.site-header .nav-link:hover, .site-header .nav-link.active, .site-header .nav-link.show { color: #fff; }
@media (min-width: 1200px) {
    .site-header .nav-link.active::after { content: ''; position: absolute; left: .85rem; right: .85rem; bottom: .35rem; height: 3px; background: var(--tk-blue); }
    .site-header .dropdown-toggle::after { vertical-align: .15em; }
    .mega { position: static; }
    .mega__panel { left: 0; right: 0; width: 100%; margin-top: 0 !important; border-radius: 0; border: 0; border-top: 3px solid var(--tk-blue); padding: 1.75rem 0; box-shadow: 0 24px 40px rgba(0, 0, 0, .35); }
    .site-header .dropdown:hover > .dropdown-menu { display: block; }
}
.site-header .dropdown-menu { background: var(--tk-steel-900); border: 1px solid var(--tk-steel-700); border-radius: var(--tk-radius); }
.site-header .dropdown-item { color: var(--tk-steel-200); font-weight: 500; }
.site-header .dropdown-item:hover { background: var(--tk-steel-700); color: #fff; }
.mega__panel { background: var(--tk-steel-900); }
.mega__title { font-family: var(--tk-font-head); text-transform: uppercase; letter-spacing: .14em; font-size: .9rem; color: var(--tk-blue-light); margin-bottom: .75rem; }
.mega__item { display: flex; gap: .85rem; align-items: center; padding: .65rem .75rem; text-decoration: none; color: #fff; border: 1px solid var(--tk-steel-700); border-radius: var(--tk-radius); transition: .15s; }
.mega__item:hover { border-color: var(--tk-blue); background: var(--tk-steel-800); color: #fff; }
.mega__item i { font-size: 1.5rem; color: var(--tk-blue); }
.mega__item strong { display: block; font-family: var(--tk-font-head); font-size: 1.1rem; letter-spacing: .04em; text-transform: uppercase; line-height: 1.1; }
.mega__item small { color: var(--tk-steel-300); }
.mega__list { list-style: none; padding: 0; margin: 0 0 .5rem; }
.mega__list a { display: block; padding: .4rem 0; color: var(--tk-steel-200); text-decoration: none; border-bottom: 1px solid var(--tk-steel-700); }
.mega__list a:hover { color: #fff; padding-left: .35rem; }

/* Buscador */
.search { position: relative; display: flex; }
.search__input { width: 100%; min-width: 210px; background: var(--tk-steel-800); border: 1px solid var(--tk-steel-700); color: #fff; padding: .5rem 2.5rem .5rem .85rem; border-radius: var(--tk-radius); font-size: .95rem; }
.search__input::placeholder { color: var(--tk-steel-300); }
.search__input:focus { outline: 0; border-color: var(--tk-blue); box-shadow: 0 0 0 3px rgba(71, 122, 185, .35); }
.search__btn { position: absolute; right: 0; top: 0; bottom: 0; width: 2.5rem; background: none; border: 0; color: var(--tk-blue-light); }
.search--light .search__input { background: #fff; color: var(--tk-black); border-color: var(--tk-steel-200); }
.search--light .search__input::placeholder { color: var(--tk-steel-500); }

/* ───────── Hero / banner ───────── */
.hero { background: var(--tk-black); }
.hero__slide {
    position: relative; overflow: hidden; color: #fff; padding: 3.5rem 0 3rem; min-height: 520px; display: flex; align-items: center;
    background:
        radial-gradient(ellipse at 75% 50%, rgba(71, 122, 185, .35), transparent 60%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 64px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 64px),
        linear-gradient(135deg, var(--tk-black) 0%, var(--tk-steel-800) 100%);
}
.hero__slide > .container { position: relative; z-index: 2; }
.hero__title { font-size: clamp(2.4rem, 5.5vw, 4.4rem); text-transform: uppercase; margin-bottom: 1rem; }
.hero__text { font-size: 1.25rem; color: var(--tk-steel-200); max-width: 34ch; margin-bottom: 1.75rem; }
.hero__media { text-align: center; }
.hero__media img { max-height: 400px; width: auto; filter: drop-shadow(0 30px 40px rgba(0, 0, 0, .55)); }
.hero .carousel-indicators { margin-bottom: 1rem; z-index: 3; }
.hero .carousel-indicators [data-bs-target] { width: 38px; height: 4px; border: 0; background-color: var(--tk-steel-300); opacity: .5; }
.hero .carousel-indicators .active { background-color: var(--tk-blue); opacity: 1; }
.hero .carousel-control-prev, .hero .carousel-control-next { width: 6%; z-index: 3; }
@media (max-width: 991.98px) {
    .hero__slide { min-height: 0; padding: 2.25rem 0 3.5rem; }
    .hero__media img { max-height: 240px; }
    .hero .carousel-control-prev, .hero .carousel-control-next { display: none; }
}

/* ───────── Franja de valor ───────── */
.value-strip { background: var(--tk-blue); color: #fff; }
.value-strip__item { padding: 1.25rem 1.25rem; height: 100%; display: grid; grid-template-columns: auto 1fr; column-gap: .9rem; align-items: center; border-right: 1px solid rgba(255, 255, 255, .22); }
.value-strip .col-lg-3:last-child .value-strip__item { border-right: 0; }
.value-strip__item i { grid-row: span 2; font-size: 2rem; }
.value-strip__item strong { font-family: var(--tk-font-head); font-size: 1.25rem; text-transform: uppercase; letter-spacing: .05em; line-height: 1.1; }
.value-strip__item span { font-size: .9rem; opacity: .9; line-height: 1.3; }
@media (max-width: 991.98px) { .value-strip__item { border-bottom: 1px solid rgba(255,255,255,.22); } }

/* ───────── Secciones ───────── */
.section { padding: 4.5rem 0; }
.section--tight { padding: 2.5rem 0 4rem; }
.section--alt { background: var(--tk-steel-50); }
.section--dark { background: var(--tk-black); color: #fff; background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 64px); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.section-head--center { justify-content: center; text-align: center; }
.section-title { font-size: clamp(1.9rem, 3.6vw, 2.8rem); text-transform: uppercase; margin: 0; }
.lead-muted { color: var(--tk-steel-300); font-size: 1.1rem; }

/* Categorías */
.cat-card { display: flex; align-items: center; gap: 1rem; padding: 1.2rem 1.25rem; height: 100%; background: #fff; border: 1px solid var(--tk-steel-200); border-left: 4px solid var(--tk-steel-200); border-radius: var(--tk-radius); text-decoration: none; color: inherit; position: relative; transition: .2s; }
.cat-card:hover { border-left-color: var(--tk-blue); transform: translateY(-3px); box-shadow: var(--tk-shadow); }
.cat-card__icon { flex: none; width: 56px; height: 56px; display: grid; place-items: center; background: var(--tk-black); color: var(--tk-blue-light); font-size: 1.6rem; border-radius: var(--tk-radius); }
.cat-card:hover .cat-card__icon { background: var(--tk-blue); color: #fff; }
.cat-card__body strong { display: block; font-family: var(--tk-font-head); font-size: 1.35rem; text-transform: uppercase; letter-spacing: .03em; line-height: 1.1; color: var(--tk-black); }
.cat-card__body small { display: block; color: var(--tk-steel-500); line-height: 1.35; margin-top: .25rem; }
.cat-card__count { margin-left: auto; font-family: var(--tk-font-head); font-weight: 700; font-size: 1.1rem; color: var(--tk-steel-500); background: var(--tk-steel-100); min-width: 2rem; text-align: center; border-radius: 99px; padding: 0 .5rem; }

/* Tarjeta de producto */
.product-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--tk-steel-200); border-radius: var(--tk-radius); overflow: hidden; transition: .2s; }
.product-card:hover { box-shadow: var(--tk-shadow); border-color: var(--tk-blue); transform: translateY(-3px); }
.product-card__media { display: grid; place-items: center; aspect-ratio: 4 / 3; background: linear-gradient(180deg, #fff, var(--tk-steel-100)); padding: 1rem; border-bottom: 3px solid var(--tk-steel-100); }
.product-card:hover .product-card__media { border-bottom-color: var(--tk-blue); }
.product-card__media img { max-height: 100%; width: auto; object-fit: contain; mix-blend-mode: multiply; }
.product-card__body { padding: 1.15rem 1.25rem 1.25rem; display: flex; flex-direction: column; flex: 1; }
.product-card__meta { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .6rem; }
.product-card__title { font-size: 1.55rem; text-transform: uppercase; margin-bottom: .4rem; }
.product-card__title a { color: var(--tk-black); text-decoration: none; }
.product-card__title a:hover { color: var(--tk-blue-dark); }
.product-card__text { color: var(--tk-steel-500); font-size: .98rem; flex: 1; }
.product-card__actions { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-top: .75rem; padding-top: .9rem; border-top: 1px solid var(--tk-steel-100); }

.tag { display: inline-block; font-family: var(--tk-font-head); font-weight: 600; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; padding: .15rem .55rem; background: var(--tk-black); color: #fff; border-radius: 2px; text-decoration: none; }
.tag--ghost { background: transparent; color: var(--tk-steel-500); border: 1px solid var(--tk-steel-200); }
a.tag:hover { background: var(--tk-blue); color: #fff; }

/* Marcas */
.brands { background: var(--tk-black); padding: 2rem 0; border-top: 1px solid var(--tk-steel-700); }
.brands__label { text-align: center; font-family: var(--tk-font-head); letter-spacing: .2em; text-transform: uppercase; color: var(--tk-steel-300); margin-bottom: 1rem; font-size: .95rem; }
.brands__list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 2.5rem; }
.brands__list--light a { color: var(--tk-steel-700); }
.brands__list--light a:hover { color: var(--tk-blue-dark); text-shadow: none; }
.brands__list a { font-family: var(--tk-font-head); font-weight: 700; font-size: 1.5rem; text-transform: uppercase; letter-spacing: .06em; color: var(--tk-steel-300); text-decoration: none; transition: .15s; }
.brands__list a:hover { color: #fff; text-shadow: 0 0 18px var(--tk-blue); }

/* Servicios */
.service-card { height: 100%; padding: 1.6rem; border: 1px solid var(--tk-steel-200); border-top: 4px solid var(--tk-blue); border-radius: var(--tk-radius); background: #fff; }
.service-card i { font-size: 2rem; color: var(--tk-blue); }
.service-card h3 { font-size: 1.4rem; text-transform: uppercase; margin: .6rem 0 .4rem; }
.service-card p { color: var(--tk-steel-500); margin: 0; }

.check-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.check-list li { padding-left: 2rem; position: relative; margin-bottom: .6rem; color: var(--tk-steel-200); }
.check-list li::before { content: '\F26A'; font-family: 'bootstrap-icons'; position: absolute; left: 0; color: var(--tk-blue); font-size: 1.2rem; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--tk-steel-700); border: 1px solid var(--tk-steel-700); }
.stat-grid div { background: var(--tk-steel-900); padding: 2rem 1.5rem; }
.stat-grid strong { display: block; font-family: var(--tk-font-head); font-size: clamp(2.2rem, 4vw, 3.2rem); color: var(--tk-blue-light); line-height: 1; }
.stat-grid span { color: var(--tk-steel-300); text-transform: uppercase; letter-spacing: .08em; font-size: .85rem; }

.cta-band { background: var(--tk-blue); color: #fff; padding: 2.75rem 0; }
.cta-band h2 { font-size: 2.2rem; text-transform: uppercase; margin-bottom: .25rem; }

/* ───────── Encabezado de páginas internas ───────── */
.page-hero { background: linear-gradient(135deg, var(--tk-black), var(--tk-steel-800)); color: #fff; padding: 2.25rem 0 2.5rem; border-bottom: 3px solid var(--tk-blue); }
.page-hero--compact { padding: 1rem 0; }
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); text-transform: uppercase; margin: .5rem 0 .25rem; }
.page-hero__sub { color: var(--tk-steel-300); margin: 0; }
.breadcrumb { margin: 0; --bs-breadcrumb-divider-color: var(--tk-steel-500); font-size: .9rem; }
.breadcrumb a { color: var(--tk-blue-light); text-decoration: none; }
.breadcrumb-item.active { color: var(--tk-steel-300); }

/* Filtros */
.filter-box { background: #fff; border: 1px solid var(--tk-steel-200); border-radius: var(--tk-radius); padding: 1rem 1.1rem; margin-bottom: 1rem; }
.filter-box__title { display: block; font-family: var(--tk-font-head); font-size: 1.15rem; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 .7rem; font-weight: 700; }
.filter-list { list-style: none; padding: 0; margin: 0; }
.filter-list a { display: flex; justify-content: space-between; align-items: center; padding: .4rem .5rem; color: #1d232b; text-decoration: none; border-left: 3px solid transparent; border-radius: 2px; }
.filter-list a:hover { background: var(--tk-steel-50); }
.filter-list a.is-active { border-left-color: var(--tk-blue); background: var(--tk-steel-100); font-weight: 600; }
.filter-list a span { font-size: .8rem; color: var(--tk-steel-500); }
.filter-list--sub { margin: .15rem 0 .35rem 1rem; }

.empty-state { text-align: center; padding: 3.5rem 1rem; border: 2px dashed var(--tk-steel-200); border-radius: var(--tk-radius); }
.empty-state i { font-size: 2.5rem; color: var(--tk-blue); }
.empty-state h2 { font-size: 1.8rem; text-transform: uppercase; margin: .5rem 0; }
.empty-state .btn { margin: .25rem; }

/* ───────── Producto ───────── */
.gallery__main { display: grid; place-items: center; background: linear-gradient(180deg, #fff, var(--tk-steel-100)); border: 1px solid var(--tk-steel-200); border-radius: var(--tk-radius); padding: 1.5rem; min-height: 340px; }
.gallery__main img { max-height: 480px; width: auto; object-fit: contain; mix-blend-mode: multiply; }
.gallery__thumbs { display: flex; gap: .6rem; margin-top: .75rem; flex-wrap: wrap; }
.gallery__thumb { width: 84px; height: 64px; padding: 4px; background: #fff; border: 2px solid var(--tk-steel-200); border-radius: var(--tk-radius); }
.gallery__thumb.is-active, .gallery__thumb:hover { border-color: var(--tk-blue); }
.gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-title { font-size: clamp(2.2rem, 4vw, 3.4rem); text-transform: uppercase; margin-bottom: .5rem; }
.product-lead { font-size: 1.25rem; color: var(--tk-blue-dark); font-weight: 500; }
.trust-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.trust-list i { color: var(--tk-blue); margin-right: .5rem; }
.panel { background: #fff; border: 1px solid var(--tk-steel-200); border-top: 4px solid var(--tk-blue); border-radius: var(--tk-radius); padding: 1.6rem; height: 100%; }
.panel__title { font-size: 1.6rem; text-transform: uppercase; margin-bottom: 1rem; }
.panel--dark { background: var(--tk-black); color: #fff; border-color: var(--tk-black); border-top-color: var(--tk-blue); height: auto; }
.panel--form { padding: 2rem; }
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li { position: relative; padding: .5rem 0 .5rem 1.8rem; border-bottom: 1px solid var(--tk-steel-100); }
.feature-list li:last-child { border-bottom: 0; }
.feature-list li::before { content: ''; position: absolute; left: .2rem; top: 1.05rem; width: 9px; height: 9px; background: var(--tk-blue); transform: rotate(45deg); }
.spec-table th { width: 48%; font-weight: 600; background: var(--tk-steel-50); }
.spec-table th, .spec-table td { padding: .6rem .8rem; vertical-align: top; }

/* ───────── Formulario ───────── */
.form-group label { font-family: var(--tk-font-head); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; font-size: .95rem; margin-bottom: .25rem; display: block; }
.form-control { border-radius: var(--tk-radius); border: 1px solid var(--tk-steel-200); padding: .65rem .85rem; background: var(--tk-steel-50); }
.form-control:focus { background: #fff; border-color: var(--tk-blue); box-shadow: 0 0 0 3px rgba(71, 122, 185, .25); }
.form-check-input:checked { background-color: var(--tk-blue); border-color: var(--tk-blue); }
.form-note { font-size: .85rem; color: var(--tk-steel-500); }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: .85rem; padding: .75rem 0; border-bottom: 1px solid var(--tk-steel-700); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list i { color: var(--tk-blue); font-size: 1.2rem; }
.contact-list a { color: #fff; }
.contact-figure { margin: 1.25rem 0 0; }
.contact-figure img { border-radius: var(--tk-radius); width: 100%; max-height: 260px; object-fit: cover; }

/* Aviso de privacidad */
.legal { max-width: 820px; }
.legal h2 { font-size: 1.6rem; text-transform: uppercase; margin: 2rem 0 .5rem; }

/* ───────── Footer ───────── */
.site-footer { background: var(--tk-black); color: var(--tk-steel-300); padding: 3.5rem 0 0; border-top: 3px solid var(--tk-blue); font-size: .98rem; }
.site-footer__logo { max-width: 100%; height: auto; }
.site-footer__title { font-size: 1.15rem; text-transform: uppercase; letter-spacing: .12em; color: #fff; margin-bottom: 1rem; }
.site-footer__list, .site-footer__contact { list-style: none; padding: 0; margin: 0 0 1rem; }
.site-footer__list li { margin-bottom: .35rem; }
.site-footer a { color: var(--tk-steel-300); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer .btn-brand { color: #fff; }
.site-footer__contact li { display: flex; gap: .7rem; margin-bottom: .7rem; }
.site-footer__contact i { color: var(--tk-blue); }
.site-footer .social { display: inline-block; margin-top: .5rem; }
.site-footer .social i { color: var(--tk-blue); margin-right: .35rem; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 2.5rem; padding: 1.25rem 0; border-top: 1px solid var(--tk-steel-700); font-size: .88rem; }

/* Franja Cosmos */
.cosmos-strip { background: #fff; width: 100%; padding: 6px 0; line-height: 1; }
.cosmos-strip img { vertical-align: middle; }

/* ───────── WhatsApp flotante ───────── */
.contenedorWhatsapp { position: fixed; right: 20px; bottom: 56px; z-index: 1040; }
.contenedorWhatsapp #toggleWhatsapp { display: none; }
.buttonWhatsapp { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; font-size: 1.9rem; cursor: pointer; box-shadow: 0 6px 18px rgba(0, 0, 0, .35); margin: 0; transition: transform .2s; }
.buttonWhatsapp:hover { transform: scale(1.07); }
.inputWhatsapp { position: absolute; right: 0; bottom: 72px; width: 320px; max-width: calc(100vw - 40px); background: #fff; border-radius: 6px; box-shadow: 0 12px 40px rgba(0, 0, 0, .35); overflow: hidden; display: none; }
#toggleWhatsapp:checked ~ .inputWhatsapp { display: block; }
.inputWhatsapp__head { background: #11877a; color: #fff; font-size: 1.4rem; padding: .4rem .9rem; font-family: var(--tk-font-head); letter-spacing: .05em; }

@media (max-width: 575.98px) {
    .section { padding: 3rem 0; }
    .product-card__actions { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; scroll-behavior: auto !important; }
    .carousel-fade .carousel-item { transition: none; }
}

/* ───────── Marcas ───────── */
.brand-card { display: flex; flex-direction: column; gap: .35rem; height: 100%; padding: 1.5rem; background: #fff; border: 1px solid var(--tk-steel-200); border-top: 4px solid var(--tk-black); border-radius: var(--tk-radius); text-decoration: none; color: inherit; transition: .2s; }
.brand-card:hover { border-top-color: var(--tk-blue); transform: translateY(-3px); box-shadow: var(--tk-shadow); }
.brand-card__origin { font-family: var(--tk-font-head); font-size: .85rem; letter-spacing: .15em; text-transform: uppercase; color: var(--tk-blue-dark); }
.brand-card strong { font-family: var(--tk-font-head); font-size: 1.9rem; text-transform: uppercase; line-height: 1.05; color: var(--tk-black); }
.brand-card small { color: var(--tk-steel-500); font-size: .98rem; flex: 1; }
.brand-card__foot { margin-top: .6rem; padding-top: .75rem; border-top: 1px solid var(--tk-steel-100); font-family: var(--tk-font-head); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--tk-blue-dark); }
.brand-list-title { font-size: 1.35rem; text-transform: uppercase; margin: 1.5rem 0 .5rem; }
.brand-group-title { font-size: 1.5rem; text-transform: uppercase; margin: 0 0 1rem; padding-bottom: .5rem; border-bottom: 2px solid var(--tk-steel-200); }
.brand-group-title a { color: var(--tk-black); text-decoration: none; }
.brand-group-title a:hover { color: var(--tk-blue-dark); }

/* ───────── Navegación: menú colapsado por debajo de 1200px (evita scroll horizontal en 992–1199px) ───────── */
@media (max-width: 1199.98px) {
    .site-header .navbar-collapse { max-height: calc(100vh - 70px); overflow-y: auto; padding-bottom: .75rem; }
    .site-header .mega__panel { padding: 1rem 0; background: transparent; border: 0; box-shadow: none; }
    .search__input { min-width: 0; }
}
/* Red de seguridad: ningún elemento debe provocar scroll horizontal de página */
html, body { max-width: 100%; overflow-x: clip; }

/* ───────── Página de gracias ───────── */
.thanks { max-width: 760px; margin: 0 auto; text-align: center; }
.thanks__icon { font-size: 4.5rem; line-height: 1; color: var(--tk-blue); }
.thanks__title { font-size: clamp(1.7rem, 3.4vw, 2.4rem); text-transform: uppercase; margin: .75rem 0 .75rem; }
.thanks__text { font-size: 1.15rem; color: var(--tk-steel-500); }
.thanks__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin: 1.75rem 0 2.25rem; }
.thanks__next { text-align: left; background: var(--tk-steel-50); border: 1px solid var(--tk-steel-200); border-top: 4px solid var(--tk-blue); border-radius: var(--tk-radius); padding: 1.25rem 1.5rem; }
.thanks__next h3 { font-size: 1.3rem; text-transform: uppercase; margin-bottom: .5rem; }
.thanks__next ul { margin: 0; padding-left: 1.2rem; }