/* ==========================================================================
   Popelina Negra — componentes propios de /telas/popelina/negra
   Arletex Design System v3.5 · prefijo `pn-`
   Depende de landing-producto.css (tokens --ax-*, hero, sticky, cross).
   --------------------------------------------------------------------------
   Mapa de registros (variación §11.6):
     Hero ............ @dossier   · Dossier-stack  · Top-rule    (global)
     .pn-statement ... @manifest  · ManifestoClaim · Bleed-edge  · sin hover
     .ax-cross ....... @showcase  · LabelLateral   · Full-frame  (global)
     Tab Descripción . @technical · LabelLateral   · Side-rule   (tarjeta-beneficio)
     .pn-uses ........ @gallery   · IndexRow       · Index-tab   · lift-orange
     .pn-faq ......... @dossier   · RunInHeadline  · Top-rule    · side-shift

   Reglas duras: radius 0, sombras sólidas sin blur, nada visible <14px,
   tap-size >=44px, prefers-reduced-motion.
   ========================================================================== */

/* Anclas por debajo del header fixed (113/104/158px según breakpoint). */
.ax-section[id] { scroll-margin-top: 116px; }


/* ==========================================================================
   Hero — subtítulo H2 de la ficha (conserva el H2 SEO del legacy)
   ========================================================================== */

.pn-hero-sub {
    margin: var(--ax-space-6, 24px) 0 var(--ax-space-2, 8px);
    font-family: var(--ax-font-body, 'Lato', system-ui, sans-serif);
    font-size: clamp(0.86rem, 1.1vw, 1rem) !important;  /* style.css fuerza h2 a 30px !important */
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
    color: var(--ax-ink, #1F2530);
}


/* ==========================================================================
   .pn-statement — banda ink con el claim del producto (Manifiesto)
   ========================================================================== */

.pn-statement {
    background: var(--ax-ink, #1F2530);
    border-top: 1px solid var(--ax-orange, #F15A29);
    border-bottom: 1px solid var(--ax-orange, #F15A29);
    padding: clamp(48px, 7vw, 80px) 0;
}

.pn-statement__inner {
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 56px);
    display: grid;
    gap: var(--ax-space-8, 32px);
    align-items: center;
}

@media (min-width: 992px) {
    .pn-statement__inner {
        grid-template-columns: 7fr 5fr;
        gap: clamp(32px, 5vw, 64px);
    }
}

.pn-statement__label {
    margin: 0 0 var(--ax-space-4, 16px);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--ax-font-mono, ui-monospace, monospace);
    font-size: 14px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ax-orange, #F15A29);
}

.pn-statement__label::before {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--ax-orange, #F15A29);
    flex: none;
}

.pn-statement__claim {
    margin: 0 0 var(--ax-space-5, 20px);
    font-family: var(--ax-font-display, 'Anton', 'Arial Narrow', sans-serif);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 0.94;
    font-size: clamp(2rem, 5.6vw, 3.6rem) !important;  /* ídem h2 global */
    color: var(--ax-white, #FFFFFF);
}

.pn-statement__claim em {
    font-family: var(--ax-font-accent, 'Fraunces', Georgia, serif);
    font-style: italic;
    font-weight: 600;
    text-transform: lowercase;
    color: var(--ax-orange, #F15A29);
}

.pn-statement__text {
    margin: 0;
    max-width: 58ch;
    font-family: var(--ax-font-body, 'Lato', system-ui, sans-serif);
    font-size: 16px;
    line-height: 1.65;
    color: var(--ax-muted-dark, #A8A39A);
}

.pn-statement__text strong { color: var(--ax-white, #FFFFFF); }

.pn-statement__facts {
    display: grid;
    gap: var(--ax-space-3, 12px);
    margin: 0;
    padding: 0;
    list-style: none;
}

.pn-statement__facts li {
    display: grid;
    grid-template-columns: minmax(96px, auto) 1fr;
    gap: 14px;
    align-items: baseline;
    border-top: 1px solid rgba(255, 255, 255, .22);
    padding-top: var(--ax-space-3, 12px);
}

.pn-statement__num {
    font-family: var(--ax-font-display, 'Anton', 'Arial Narrow', sans-serif);
    font-size: clamp(1.6rem, 3.4vw, 2.2rem);
    line-height: 1;
    text-transform: uppercase;
    color: var(--ax-yellow, #FFEB3B);
}

.pn-statement__fact {
    font-family: var(--ax-font-body, 'Lato', system-ui, sans-serif);
    font-size: 15px;
    line-height: 1.5;
    color: var(--ax-muted-dark, #A8A39A);
}

.pn-statement__fact strong { color: var(--ax-white, #FFFFFF); }


/* ==========================================================================
   Banner de rollos (imagen legacy, sin carrusel)
   ========================================================================== */

.pn-banner {
    display: block;
    border-bottom: 1px solid var(--ax-ink, #1F2530);
}

.pn-banner img {
    display: block;
    width: 100%;
    height: auto;
}

.pn-banner:focus-visible {
    outline: 3px solid var(--ax-purple, #6A52A2);
    outline-offset: -3px;
}


/* ==========================================================================
   .pn-uses — prendas con popelina negra (Index-tab + lift-orange)
   Vive en el tab "Usos": grid CSS puro (no mide al iniciar, sirve
   aunque el tab nazca oculto).
   ========================================================================== */

.pn-uses {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 20px;
    margin: 40px 0 8px;
    padding: 0;
    list-style: none;
}

@media (min-width: 992px) {
    .pn-uses { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 34px 24px; }
}

.pn-use {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--ax-white, #FFFFFF);
    border: 2px solid var(--ax-ink, #1F2530);
    border-radius: 0;
    text-align: left;
    transition:
        transform 200ms cubic-bezier(.2, .7, .2, 1),
        box-shadow 200ms cubic-bezier(.2, .7, .2, 1);
}

.pn-use:hover {
    transform: translate(-3px, -3px);
    box-shadow: 5px 5px 0 var(--ax-orange, #F15A29);
}

/* Pestaña de archivador: índice en mono montado sobre el borde superior. */
.pn-use__tab {
    position: absolute;
    top: 0;
    left: 14px;
    z-index: 1;
    transform: translateY(-50%);
    padding: 5px 12px;
    background: var(--ax-ink, #1F2530);
    color: var(--ax-paper, #FAF6EE);
    font-family: var(--ax-font-mono, 'JetBrains Mono', ui-monospace, monospace);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    line-height: 1;
    transition: background-color 200ms ease, color 200ms ease;
}

.pn-use:hover .pn-use__tab {
    background: var(--ax-orange, #F15A29);
    color: var(--ax-ink, #1F2530);
}

.pn-use__media {
    margin: 0;
    aspect-ratio: 1 / 1;   /* assets 500×500 */
    background: var(--ax-cream, #F2EDE4);
    border-bottom: 2px solid var(--ax-ink, #1F2530);
    overflow: hidden;
}

.pn-use__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pn-use__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 16px 16px 20px;
}

.pn-use__title {
    margin: 0 0 8px;
    font-family: var(--ax-font-body, 'Lato', system-ui, sans-serif);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--ax-ink, #1F2530);
}

.pn-use__text {
    margin: 0;
    font-family: var(--ax-font-body, 'Lato', system-ui, sans-serif);
    font-size: 15px;
    line-height: 1.6;
    color: var(--ax-ink, #1F2530);
}

@media (max-width: 575px) {
    .pn-uses { grid-template-columns: 1fr; }
    .pn-use:hover {
        transform: translate(-2px, -2px);
        box-shadow: 4px 4px 0 var(--ax-orange, #F15A29);
    }
}


/* tergal-catalan.css deja .tc-spec-label en 11px; piso de legibilidad 14px. */
.product-infor-tab-content .tc-spec-label {
    font-size: 14px;
    color: var(--ax-ink, #1F2530);
}


/* ==========================================================================
   .pn-info — pago y envíos del tab "Información adicional"
   (reusa .tc-specs-grid; solo agrupa los dos bloques)
   ========================================================================== */

.pn-info__title {
    margin: 0 0 12px;
    font-family: var(--ax-font-body, 'Lato', system-ui, sans-serif);
    font-size: clamp(0.86rem, 1.1vw, 1rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ax-ink, #1F2530);
}


/* ==========================================================================
   .pn-faq — acordeón ax-faq.js (data-ax-faq), exclusivo por grupo.
   Sin JS, <details> nativo sigue funcionando (SEO intacto).
   ========================================================================== */

.pn-faqsec__grid {
    display: grid;
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
}

@media (min-width: 940px) {
    .pn-faqsec__grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); }
    .pn-faqsec__aside { position: sticky; top: 130px; }
}

.pn-faqsec__title { margin: 0.6rem 0 0; }

.pn-faqsec__note {
    font-family: var(--ax-font-accent);
    font-style: italic;
    color: var(--ax-muted);
    font-size: clamp(1.02rem, 1.5vw, 1.18rem);
    line-height: 1.5;
    max-width: 42ch;
    margin: clamp(1rem, 2.4vw, 1.4rem) 0;
}

.pn-faq { display: flex; flex-direction: column; gap: 12px; }

.pn-faq__item {
    background: var(--ax-white);
    border: 1.5px solid var(--ax-rule);
    transition: border-color var(--ax-motion-fast) var(--ax-ease-out),
                box-shadow var(--ax-motion-fast) var(--ax-ease-out);
}

.pn-faq__item:hover { border-color: var(--ax-ink); }

.pn-faq__item[open] {
    border-color: var(--ax-ink);
    border-left: 4px solid var(--ax-orange);
    box-shadow: 5px 5px 0 var(--ax-ink);
}

.pn-faq__q {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 44px;
    padding: clamp(13px, 1.8vw, 17px) clamp(16px, 2.2vw, 22px);
    /* side-shift: el bloque se desplaza al pasar el cursor */
    transition: padding-left var(--ax-motion-fast) var(--ax-ease-out);
}

.pn-faq__q::-webkit-details-marker { display: none; }
.pn-faq__q::marker { content: ""; }
.pn-faq__item:hover .pn-faq__q { padding-left: calc(clamp(16px, 2.2vw, 22px) + 5px); }

.pn-faq__q:focus-visible {
    outline: 3px solid var(--ax-purple, #6A52A2);
    outline-offset: 2px;
}

.pn-faq__q-text {
    flex: 1;
    font-family: var(--ax-font-body);
    font-weight: 700;
    font-size: clamp(0.98rem, 1.4vw, 1.12rem) !important;  /* style.css fuerza h3 a 25px en móvil */
    line-height: 1.35;
    color: var(--ax-ink);
    margin: 0;
    transition: color var(--ax-motion-fast) var(--ax-ease-out);
}

/* Icono +/× como pseudo-elemento (el <summary> contiene solo el <h3>). */
.pn-faq__q::after {
    content: '+';
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    font-family: var(--ax-font-display);
    font-size: 1.35rem;
    line-height: 1;
    background: var(--ax-cream);
    color: var(--ax-orange-deep, #B0401A);
    border: 1.5px solid var(--ax-ink);
    transition: transform var(--ax-motion-fast) var(--ax-ease-out),
                background var(--ax-motion-fast) var(--ax-ease-out),
                color var(--ax-motion-fast) var(--ax-ease-out);
}

.pn-faq__item[open] .pn-faq__q-text { color: var(--ax-orange-deep, #B0401A); }

.pn-faq__item[open] .pn-faq__q::after {
    transform: rotate(45deg);
    background: var(--ax-orange);
    color: var(--ax-paper);
    border-color: var(--ax-orange);
}

/* .pn-reveal: envoltorio que ax-faq.js anima inline; sin estilos propios. */
.pn-faq__a {
    font-family: var(--ax-font-body);
    font-size: clamp(0.95rem, 1.1vw, 1.0625rem);
    line-height: 1.65;
    color: var(--ax-muted);
    max-width: 72ch;
    padding: 0 clamp(16px, 2.2vw, 22px) clamp(16px, 2.2vw, 20px);
    margin: 0;
}

.pn-faq__a strong { color: var(--ax-ink); }

.pn-faq__a a {
    color: var(--ax-ink);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--ax-orange);
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}


/* ==========================================================================
   Motion — prefers-reduced-motion (regla dura)
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .pn-use,
    .pn-use__tab,
    .pn-faq__item,
    .pn-faq__q,
    .pn-faq__q-text,
    .pn-faq__q::after {
        transition: none !important;
    }
    .pn-use:hover { transform: none; }
}