/**
 * Producto Avanzado - CSS ProSilicones64
 * Usa tokens del sistema de diseno del proyecto
 * Prefijo: pa-
 * Hero: reutiliza p25-hero + p25-tech-badges (ver _productos.css)
 *
 * LAYOUTS:
 *   - Split (titulo izq sticky + contenido der)
 *   - Left-aligned header + contenido full
 *   - Centered header (solo donde tiene sentido)
 *   - Dark section (rotura visual)
 *   - Callout compacto (alertas)
 *   - Offset left (prosa desplazada)
 */

/* ============================================================================
   BASE
   ============================================================================ */
.pa-producto {
    font-family: var(--font-base);
    color: var(--color-texto);
    line-height: 1.6;
    background: var(--color-fondo);
}

/* ============================================================================
   HERO — Reutiliza p25-hero + p25-tech-badges del sistema
   ============================================================================ */

/* Hero con fondo imagen completo + overlay */
.pa-producto .p25-hero {
    background: var(--hero-bg-mobile) center/cover no-repeat !important;
    position: relative !important;
}

.pa-producto .p25-hero::before {
    content: '' !important;
    position: absolute !important;
    inset: 0 !important;
    background: rgba(10, 14, 39, 0.75) !important;
    z-index: 1 !important;
}

.pa-producto .p25-hero-content {
    position: relative !important;
    z-index: 2 !important;
}

.pa-producto .p25-hero-visual {
    display: none !important;
}

/* Hero tech badges: evitar scroll horizontal */
.pa-producto .p25-tech-badges {
    overflow: visible !important;
}

.pa-producto .p25-tech-badge {
    word-break: break-word !important;
    hyphens: auto !important;
}

.pa-producto .p25-tech-badge__value {
    white-space: normal !important;
    word-break: break-word !important;
    line-height: 1.3 !important;
    font-size: clamp(0.75rem, 2vw, 0.9rem) !important;
}

.pa-producto .p25-tech-badge__label {
    white-space: normal !important;
}

/* ============================================================================
   CONTAINER
   ============================================================================ */
.pa-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 3rem);
}

.pa-container--narrow {
    max-width: 900px;
}

.pa-container--wide {
    max-width: 1400px;
}

/* ============================================================================
   SECCIONES — Base
   ============================================================================ */
.pa-section {
    padding: clamp(3.5rem, 8vh, 6rem) 0;
}

.pa-section--compact {
    padding: clamp(2rem, 5vh, 3.5rem) 0;
}

.pa-section--white {
    background: #fff;
}

.pa-section--gray {
    background: var(--color-surface, #f9fafb);
}

.pa-section--dark {
    background: var(--brand-navy, #024);
    color: #fff;
}

/* ============================================================================
   SECTION HEADER — Centered (default)
   ============================================================================ */
.pa-section__header {
    text-align: center;
    margin-bottom: clamp(2rem, 5vh, 3.5rem);
}

.pa-section__eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--brand-cyan, #3ac2f8);
    margin-bottom: 0.75rem;
}

.pa-section__title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--color-texto, #1a1a1a);
    line-height: 1.25;
    margin: 0;
}

.pa-section--dark .pa-section__eyebrow {
    color: var(--brand-cyan, #3ac2f8);
}

.pa-section--dark .pa-section__title {
    color: #fff;
}

/* HEADER LEFT — Para secciones con grids anchos */
.pa-section__header--start {
    text-align: left;
    max-width: 600px;
}

/* ============================================================================
   SPLIT LAYOUT — Titulo izq (sticky) + contenido der
   ============================================================================ */
.pa-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .pa-split {
        grid-template-columns: 1fr 1.75fr;
        gap: clamp(3rem, 5vw, 5rem);
        align-items: start;
    }
}

.pa-split__aside .pa-section__eyebrow {
    display: block;
    text-align: left;
}

.pa-split__aside .pa-section__title {
    text-align: left;
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
}

.pa-split__aside .pa-split__desc {
    font-size: 0.875rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.7;
    margin-top: 1rem;
}

@media (min-width: 1024px) {
    .pa-split__aside {
        position: sticky;
        top: calc(72px + 2rem);
    }
}

/* ============================================================================
   CHEM GUIDE — Guía de resistencia química
   ============================================================================ */
.pa-chemguide__intro {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .pa-chemguide__intro {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        align-items: stretch;
    }
}

.pa-chemguide__desc {
    display: flex;
    align-items: center;
}

.pa-chemguide__desc p {
    font-size: clamp(0.9rem, 1.1vw, 1rem);
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.85;
    margin: 0;
}

.pa-chemguide__method {
    background: var(--brand-navy, #024);
    color: #fff;
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.pa-chemguide__method::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(58, 194, 248, 0.08);
    border-radius: 50%;
    pointer-events: none;
}

.pa-chemguide__method-label {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--brand-cyan, #3ac2f8);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

.pa-chemguide__method p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.8;
    margin: 0;
}

/* Notes — 2x2 grid con numeración */
.pa-chemguide__notes {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .pa-chemguide__notes {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pa-chemguide__note {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--color-surface, #f9fafb);
    border-radius: 10px;
    align-items: flex-start;
    border: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.pa-chemguide__note:hover {
    border-color: var(--color-border, #e5e7eb);
}

.pa-chemguide__note-num {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--brand-navy, #024);
    opacity: 0.1;
    line-height: 1;
    flex-shrink: 0;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    min-width: 2ch;
}

.pa-chemguide__note p {
    font-size: 0.84rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.75;
    margin: 0;
}

/* Disclaimer */
.pa-chemguide__disclaimer {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--color-border, #e5e7eb);
}

.pa-chemguide__disclaimer i {
    color: var(--color-texto-muted, #6b7280);
    opacity: 0.4;
    font-size: 0.9rem;
    flex-shrink: 0;
    margin-top: 0.1em;
}

.pa-chemguide__disclaimer p {
    font-size: 0.78rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.65;
    margin: 0;
    font-style: italic;
    opacity: 0.65;
}

/* ============================================================================
   LIMITACIONES — Sección dark con grid 2 col
   ============================================================================ */
.pa-limits-section {
    background: linear-gradient(160deg, #001229 0%, #002244 50%, #001a38 100%);
}

.pa-limits {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

@media (min-width: 768px) {
    .pa-limits {
        grid-template-columns: 1fr 1fr;
    }
}

.pa-limits__item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.2s ease;
}

@media (min-width: 768px) {
    .pa-limits__item:nth-child(odd) {
        border-right: 1px solid rgba(255, 255, 255, 0.06);
    }

    .pa-limits__item:nth-last-child(-n+2) {
        border-bottom: none;
    }
}

.pa-limits__item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.pa-limits__marker {
    width: 8px;
    height: 8px;
    min-width: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1.5px solid var(--brand-cyan, #3ac2f8);
    margin-top: 0.4em;
    flex-shrink: 0;
}

.pa-limits__item p {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.7;
    margin: 0;
}

/* ============================================================================
   PROSE — Parrafos tecnicos
   ============================================================================ */
.pa-prose {
    max-width: 800px;
}

.pa-prose p {
    font-size: clamp(0.95rem, 1.2vw, 1.05rem);
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.85;
    margin: 0 0 1.25rem 0;
}

.pa-prose p:last-child {
    margin-bottom: 0;
}

/* ============================================================================
   TABLAS — Estilo industrial
   ============================================================================ */
.pa-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 8px;
}

.pa-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    line-height: 1.5;
}

.pa-table th {
    background: var(--brand-navy, #024);
    color: #fff;
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.pa-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    color: var(--color-texto-muted, #6b7280);
    vertical-align: top;
}

.pa-table td:first-child {
    font-weight: 600;
    color: var(--color-texto, #1a1a1a);
}

.pa-table tbody tr:last-child td {
    border-bottom: none;
}

.pa-table tbody tr:hover td {
    background: rgba(0, 43, 69, 0.03);
}

/* Dark table variant */
.pa-section--dark .pa-table-wrap {
    border-color: rgba(255, 255, 255, 0.1);
}

.pa-section--dark .pa-table th {
    background: rgba(255, 255, 255, 0.08);
    color: var(--brand-cyan, #3ac2f8);
}

.pa-section--dark .pa-table td {
    border-bottom-color: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.75);
}

.pa-section--dark .pa-table td:first-child {
    color: #fff;
}

.pa-section--dark .pa-table tbody tr:hover td,
.pa-section--dark .pa-table tbody tr:hover td:first-child {
    background: rgba(255, 255, 255, 0.12) !important;
    color: #fff !important;
}

/* ============================================================================
   CRITERIA CARDS — Seleccion de material
   ============================================================================ */
.pa-criteria-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

@media (min-width: 768px) {
    .pa-criteria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pa-criteria-card {
    background: #fff;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 12px;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 34, 68, 0.04);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pa-criteria-card__img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-surface, #f9fafb);
}

.pa-criteria-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pa-criteria-card__body {
    padding: 2rem;
}

.pa-criteria-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin: 0 0 0.35rem 0;
}

.pa-criteria-card__subtitle {
    font-size: 0.8rem;
    color: var(--color-texto-muted, #6b7280);
    margin: 0 0 1.5rem 0;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

.pa-criteria-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pa-criteria-card__list li {
    font-size: 0.85rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.6;
    padding: 0.65rem 0 0.65rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
}

.pa-criteria-card__list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.pa-criteria-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.1em;
    width: 10px;
    height: 10px;
    border: 2px solid var(--brand-navy, #024);
    border-radius: 50%;
    opacity: 0.3;
    transition: opacity 0.2s ease;
}

.pa-criteria-card__list li:hover::before {
    opacity: 1;
}

.pa-note {
    font-size: 0.875rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.7;
    padding: 1rem 1.25rem;
    background: #fff;
    border-radius: 6px;
    margin-top: 1.5rem;
}

/* ============================================================================
   CONFIGS GRID — 4 columnas desktop (4+4)
   ============================================================================ */
.pa-configs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 600px) {
    .pa-configs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pa-configs-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.pa-config-card {
    padding: 1.5rem;
    background: var(--color-surface, #f9fafb);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: background 0.2s ease;
}

.pa-config-card:hover {
    background: #f0f4f8;
}

.pa-config-card__icon {
    font-size: 1.5rem;
    color: var(--brand-navy, #024);
    opacity: 0.45;
    margin-bottom: 0.75rem;
}

.pa-config-card__name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    text-transform: capitalize;
    margin: 0 0 0.6rem 0;
}

.pa-config-card__desc {
    font-size: 0.78rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.7;
    margin: 0;
}

/* ============================================================================
   PRODUCTION GRID
   ============================================================================ */
.pa-production-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .pa-production-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pa-production-item h3 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-navy, #024);
    margin: 0 0 0.75rem 0;
}

.pa-production-item p {
    font-size: 0.875rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.7;
    margin: 0;
}

.pa-production-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.pa-production-list li {
    font-size: 0.875rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.6;
    padding-left: 1.25rem;
    position: relative;
}

.pa-production-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 8px;
    height: 2px;
    background: var(--brand-navy, #024);
}

/* ============================================================================
   GALLERY — Left-aligned, masonry feel
   ============================================================================ */
.pa-gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .pa-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pa-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pa-gallery-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem;
    background: var(--color-surface, #f9fafb);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 8px;
}

.pa-gallery-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #fff;
    background: var(--brand-navy, #024);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    white-space: nowrap;
    align-self: flex-start;
}

.pa-gallery-item p {
    font-size: 0.85rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================================
   TOLERANCES — Inside split layout
   ============================================================================ */
.pa-tolerances-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 600px) {
    .pa-tolerances-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pa-tolerance-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.25rem;
    background: var(--color-surface, #f9fafb);
    border-left: 3px solid var(--brand-navy, #024);
    border-radius: 0 6px 6px 0;
}

.pa-tolerance-item dt {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-navy, #024);
    margin: 0;
}

.pa-tolerance-item dd {
    font-size: 1rem;
    color: var(--color-texto, #1a1a1a);
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-weight: 600;
    margin: 0;
}

.pa-tolerances-meta {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.pa-split__aside .pa-tolerances-meta {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border, #e5e7eb);
}

.pa-tolerances-meta p {
    font-size: 0.8rem;
    color: var(--color-texto-muted, #6b7280);
    margin: 0;
    line-height: 1.5;
}

.pa-tolerances-meta strong {
    color: var(--color-texto, #1a1a1a);
}

/* ============================================================================
   CHEMICAL COMPAT — Color-coded 3 columnas
   ============================================================================ */
.pa-compat-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .pa-compat-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pa-compat-group {
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 12px;
}

.pa-compat-group h3 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-navy, #024);
    margin: 0 0 1rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

.pa-compat-group--warn h3 {
    opacity: 0.6;
}

.pa-compat-group--no h3 {
    opacity: 0.4;
}

.pa-compat-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.pa-compat-group li {
    font-size: 0.825rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.6;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.pa-compat-group li:last-child {
    border-bottom: none;
}

/* (notes-list y disclaimer eliminados — reemplazados por pa-chemguide) */

/* (limitations-list eliminado — reemplazado por pa-limits) */

/* ============================================================================
   CERTIFICATIONS — Rediseño completo
   ============================================================================ */

/* Standards cards — ISO + REACH */
.pa-certs__standards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 600px) {
    .pa-certs__standards {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pa-certs__card {
    background: var(--brand-navy, #024);
    color: #fff;
    padding: clamp(1.5rem, 3vw, 2rem) clamp(1.5rem, 3vw, 2.25rem);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    position: relative;
    overflow: hidden;
}

.pa-certs__card::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    border: 2px solid rgba(58, 194, 248, 0.07);
    border-radius: 50%;
    pointer-events: none;
}

.pa-certs__card-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--brand-cyan, #3ac2f8);
}

.pa-certs__card-value {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

/* Materials list */
.pa-certs__materials {
    margin-bottom: 2rem;
}

.pa-certs__materials-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand-navy, #024);
    margin: 0 0 1.25rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

.pa-certs__materials-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pa-certs__material {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

.pa-certs__material:last-child {
    border-bottom: none;
}

.pa-certs__material i {
    color: var(--brand-navy, #024);
    opacity: 0.3;
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-top: 0.15em;
}

.pa-certs__material span {
    font-size: 0.875rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.65;
}

/* Footer notes */
.pa-certs__footer {
    padding: 1.25rem 1.5rem;
    background: var(--color-surface, #f9fafb);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pa-certs__footer p {
    font-size: 0.8rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.65;
    margin: 0;
    padding-left: 1rem;
    position: relative;
}

.pa-certs__footer p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 4px;
    height: 4px;
    background: var(--brand-navy, #024);
    border-radius: 50%;
    opacity: 0.25;
}

/* ============================================================================
   SECTORS OVERVIEW — Horizontal flow strip
   ============================================================================ */
.pa-sectors-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pa-sector-chip {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.25rem;
    background: #fff;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 8px;
    flex: 1 1 200px;
    min-width: 180px;
}

.pa-sector-chip h3 {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin: 0;
}

.pa-sector-chip p {
    font-size: 0.75rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.5;
    margin: 0;
}

/* ============================================================================
   APPLICATIONS BY SECTOR — Tabs interactivos
   ============================================================================ */
.pa-apps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    min-height: 360px;
}

@media (min-width: 768px) {
    .pa-apps {
        grid-template-columns: 220px 1fr;
    }
}

/* Nav — sidebar izq */
.pa-apps__nav {
    display: flex;
    overflow-x: auto;
    gap: 0;
    background: var(--color-surface, #f9fafb);
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

@media (min-width: 768px) {
    .pa-apps__nav {
        flex-direction: column;
        overflow-x: visible;
        border-bottom: none;
        border-right: 1px solid var(--color-border, #e5e7eb);
    }
}

.pa-apps__tab {
    appearance: none;
    border: none;
    background: none;
    padding: 0.85rem 1.25rem;
    font-family: var(--font-base);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-texto-muted, #6b7280);
    text-align: left;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    transition: color 0.2s ease, background 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.pa-apps__tab::after {
    content: '\203A';
    font-size: 1.1rem;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateX(-4px);
}

.pa-apps__tab:hover {
    color: var(--brand-navy, #024);
    background: rgba(0, 34, 68, 0.04);
}

.pa-apps__tab:hover::after {
    opacity: 0.3;
    transform: translateX(0);
}

.pa-apps__tab.is-active {
    color: var(--brand-navy, #024);
    background: #fff;
    font-weight: 700;
}

.pa-apps__tab.is-active::after {
    opacity: 0.6;
    transform: translateX(0);
}

/* Indicador activo — barra izq desktop */
.pa-apps__tab.is-active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--brand-navy, #024);
}

@media (min-width: 768px) {
    .pa-apps__tab.is-active::before {
        width: 3px;
    }
}

/* Panels — contenido der */
.pa-apps__panels {
    padding: 1.75rem;
    position: relative;
}

.pa-apps__panel {
    display: none;
    animation: paFadeIn 0.25s ease;
}

.pa-apps__panel.is-active {
    display: block;
}

@keyframes paFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.pa-apps__panel-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin: 0 0 1.25rem 0;
}

.pa-apps__panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pa-apps__panel li {
    font-size: 0.875rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.6;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

.pa-apps__panel li:last-child {
    border-bottom: none;
}

/* ============================================================================
   SELECTION GUIDE — Inside split
   ============================================================================ */
.pa-guide-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pa-guide-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

@media (min-width: 600px) {
    .pa-guide-item {
        grid-template-columns: 1fr 1.2fr;
        gap: 2rem;
        align-items: baseline;
    }
}

.pa-guide-item:last-child {
    border-bottom: none;
}

.pa-guide-item dt {
    font-size: 0.85rem;
    color: var(--color-texto-muted, #6b7280);
    margin: 0;
}

.pa-guide-item dd {
    font-size: 0.9rem;
    color: var(--color-texto, #1a1a1a);
    font-weight: 600;
    margin: 0;
}

/* ============================================================================
   RELATED PRODUCTS
   ============================================================================ */
.pa-related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .pa-related-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pa-related-card {
    display: block;
    padding: 1.25rem;
    background: #fff;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.pa-related-card:hover {
    border-color: var(--brand-navy-light, #036);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.pa-related-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin: 0 0 0.5rem 0;
}

.pa-related-card p {
    font-size: 0.85rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================================
   DELIVERY — Horizontal strip en dark
   ============================================================================ */
.pa-delivery-strip {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .pa-delivery-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pa-delivery-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pa-delivery-cell {
    padding: 1.5rem;
    background: var(--brand-navy, #024);
}

.pa-delivery-cell dt {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-cyan, #3ac2f8);
    margin: 0 0 0.5rem 0;
}

.pa-delivery-cell dd {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================================
   CTA FINAL
   ============================================================================ */
.pa-cta-final {
    text-align: center;
    padding: clamp(3.5rem, 8vh, 6rem) 0;
    background: var(--brand-navy, #024);
    color: #fff;
}

.pa-cta-final h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.75rem 0;
}

.pa-cta-final p {
    font-size: clamp(0.9rem, 1.2vw, 1rem);
    color: rgba(255, 255, 255, 0.75);
    max-width: 600px;
    margin: 0 auto 1.5rem;
    line-height: 1.7;
}

.pa-cta-final__items {
    list-style: none;
    padding: 0;
    margin: 0 auto 2rem;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-align: left;
}

.pa-cta-final__items li {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    padding-left: 1.5rem;
    position: relative;
}

.pa-cta-final__items li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 8px;
    height: 8px;
    border: 2px solid var(--brand-cyan, #3ac2f8);
    border-radius: 50%;
}

.pa-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    background: #fff;
    color: var(--brand-navy, #024);
    font-size: 0.9rem;
    font-weight: 700;
    font-family: var(--font-base);
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pa-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* ============================================================================
   ESTILOS ADICIONALES PARA TEMPLATE CATÁLOGO
   ============================================================================ */

/* Intro text */
.pa-intro {
    font-size: 1.05rem;
    color: var(--color-texto-secundario, #555);
    margin-bottom: 2rem;
    max-width: 900px;
}

/* Table notes */
.pa-table-notes {
    margin-top: 1rem;
}

.pa-note {
    font-size: 0.85rem;
    color: var(--color-texto-secundario, #666);
    margin: 0.25rem 0;
}

.pa-note::before {
    content: '* ';
    color: var(--brand-teal, #079);
}

/* Criteria blocks */
.pa-criteria {
    margin-top: 3rem;
}

.pa-criteria__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-texto);
}

.pa-criteria__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.pa-criteria__block {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.pa-criteria__block h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--brand-navy, #024);
    margin-bottom: 1rem;
}

.pa-criteria__block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pa-criteria__block li {
    font-size: 0.9rem;
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
    color: var(--color-texto-secundario, #555);
}

.pa-criteria__block li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--brand-teal, #079);
}

/* Normativa text */
.pa-normativa {
    margin-top: 2rem;
    padding: 1rem 1.5rem;
    background: rgba(7, 153, 153, 0.08);
    border-left: 3px solid var(--brand-teal, #079);
    font-size: 0.9rem;
    color: var(--color-texto-secundario);
}

/* Selection Grid (para guía de selección de serie) */
.pa-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.pa-selection-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid #eee;
    transition: all 0.2s ease;
}

.pa-selection-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    border-color: var(--brand-teal, #079);
}

.pa-selection-card__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.pa-selection-card__rec {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--brand-teal, #079);
    margin-bottom: 0.5rem;
}

.pa-selection-card__note {
    font-size: 0.8rem;
    color: var(--color-texto-secundario, #666);
    margin: 0;
}

.pa-selection-card__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.pa-link {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    background: rgba(7, 153, 153, 0.1);
    color: var(--brand-teal, #079);
    border-radius: 4px;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
}

.pa-link:hover {
    background: var(--brand-teal, #079);
    color: #fff;
}

/* Subsection */
.pa-subsection {
    margin-top: 3rem;
}

.pa-subsection h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--color-texto);
}

/* Sectors Grid */
.pa-sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.pa-sector-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.pa-sector-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--brand-navy, #024);
    margin-bottom: 0.5rem;
}

.pa-sector-card p {
    font-size: 0.85rem;
    color: var(--color-texto-secundario);
    margin: 0;
    line-height: 1.5;
}

/* Applications Accordion */
.pa-apps-accordion {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pa-app-sector {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    overflow: hidden;
}

.pa-app-sector summary {
    padding: 1rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--brand-navy, #024);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pa-app-sector summary::-webkit-details-marker {
    display: none;
}

.pa-app-sector summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--brand-teal, #079);
    transition: transform 0.2s;
}

.pa-app-sector[open] summary::after {
    content: '−';
}

.pa-app-sector ul {
    padding: 0 1.5rem 1.5rem;
    margin: 0;
    list-style: none;
}

.pa-app-sector li {
    font-size: 0.9rem;
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
    color: var(--color-texto-secundario);
    border-bottom: 1px solid #f0f0f0;
}

.pa-app-sector li:last-child {
    border-bottom: none;
}

.pa-app-sector li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--brand-teal, #079);
}

/* Quick Guide (dark section) */
.pa-quick-guide {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 2rem;
}

.pa-quick-dl {
    display: grid;
    gap: 1rem;
}

.pa-quick-dl__item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.pa-quick-dl__item:last-child {
    border-bottom: none;
}

.pa-quick-dl__item dt {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
}

.pa-quick-dl__item dd {
    font-size: 0.9rem;
    color: var(--brand-cyan, #3ac2f8);
    font-weight: 500;
    margin: 0;
    text-align: right;
}

@media (max-width: 768px) {
    .pa-quick-dl__item {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
    .pa-quick-dl__item dd {
        text-align: left;
    }
}

/* Related Products Grid */
.pa-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.pa-related-card {
    display: block;
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    text-decoration: none;
    border: 1px solid #eee;
    transition: all 0.2s ease;
    position: relative;
}

.pa-related-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    border-color: var(--brand-teal, #079);
    transform: translateY(-2px);
}

.pa-related-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand-navy, #024);
    margin-bottom: 0.5rem;
}

.pa-related-card p {
    font-size: 0.85rem;
    color: var(--color-texto-secundario);
    margin: 0;
    line-height: 1.5;
}

.pa-related-card__arrow {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.25rem;
    color: var(--brand-teal, #079);
    opacity: 0;
    transform: translateX(-5px);
    transition: all 0.2s ease;
}

.pa-related-card:hover .pa-related-card__arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Delivery DL */
.pa-delivery-dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.pa-delivery-dl__item {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
}

.pa-delivery-dl__item dt {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-teal, #079);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
}

.pa-delivery-dl__item dd {
    font-size: 0.9rem;
    color: var(--color-texto-secundario);
    margin: 0;
    line-height: 1.6;
}

/* Conclusion */
.pa-conclusion p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-texto-secundario);
    margin-bottom: 1.25rem;
}

.pa-conclusion p:last-child {
    margin-bottom: 0;
}

/* CTA Box */
.pa-cta-box {
    background: var(--brand-navy, #024);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    color: #fff;
}

.pa-cta-box h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.pa-cta-box > p {
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pa-cta-box ul {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.5rem;
}

.pa-cta-box li {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
}

.pa-cta-box li::before {
    content: '✓ ';
    color: var(--brand-cyan, #3ac2f8);
}

/* Series Grid */
.pa-series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.pa-series-card {
    display: block;
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    text-decoration: none;
    border: 1px solid #eee;
    transition: all 0.2s ease;
}

.pa-series-card:hover {
    background: #fff;
    border-color: var(--brand-teal, #079);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.pa-series-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin-bottom: 0.25rem;
}

.pa-series-card p {
    font-size: 0.8rem;
    color: var(--color-texto-secundario);
    margin: 0;
    line-height: 1.4;
}

/* Certifications */
.pa-certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.pa-cert-block {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.pa-cert-block--full {
    grid-column: 1 / -1;
}

.pa-cert-block h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--brand-navy, #024);
    margin-bottom: 0.75rem;
}

.pa-cert-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pa-cert-block li {
    font-size: 0.85rem;
    padding: 0.3rem 0;
    color: var(--color-texto-secundario);
}

.pa-cert-list {
    columns: 2;
    column-gap: 2rem;
}

@media (max-width: 768px) {
    .pa-cert-list {
        columns: 1;
    }
}

.pa-cert-notes {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #eee;
}

/* Disclaimer */
.pa-disclaimer {
    font-size: 0.8rem;
    color: var(--color-texto-terciario, #888);
    font-style: italic;
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

/* Methodology */
.pa-methodology {
    font-size: 0.9rem;
    color: var(--color-texto-secundario);
    padding: 1rem 1.5rem;
    background: rgba(7, 153, 153, 0.05);
    border-radius: 8px;
    margin: 1rem 0;
}

.pa-notes {
    margin-top: 1.5rem;
}

/* ============================================================================
   ESTILOS ADICIONALES PARA PRODUCTO-CATALOGO
   ============================================================================ */

/* Intro text para secciones */
.pa-intro {
    font-size: clamp(0.95rem, 1.2vw, 1.05rem);
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 900px;
}

/* Intro centrado cuando va después de header centrado */
.pa-section__header + .pa-intro {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.pa-intro--light {
    color: rgba(255, 255, 255, 0.8);
}

/* Note variante light para secciones oscuras */
.pa-note--light {
    color: rgba(255, 255, 255, 0.7);
}

.pa-note--light::before {
    color: var(--brand-cyan, #3ac2f8);
}

/* Split intro (descripción en aside) */
.pa-split__intro {
    font-size: 0.875rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.7;
    margin-top: 1rem;
}

/* Guide note (nota adicional en items de guía) */
.pa-guide-note {
    display: block;
    font-size: 0.8rem;
    color: var(--color-texto-muted, #6b7280);
    font-style: italic;
    margin-top: 0.35rem;
}

/* Subsection dentro de secciones oscuras */
.pa-subsection {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pa-subsection__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
}

/* Certs card list (para arrays de certificaciones) */
.pa-certs__card-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pa-certs__card-list li {
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 0.25rem 0;
}

/* Ajustes para tablas en secciones oscuras */
.pa-section--dark .pa-table-wrap {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.pa-section--dark .pa-table th {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.pa-section--dark .pa-table td {
    background: transparent;
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.08);
}

.pa-section--dark .pa-table tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* Ajustes para criteria-grid sin imágenes */
.pa-criteria-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

@media (min-width: 768px) {
    .pa-criteria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pa-criteria-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.pa-criteria-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.pa-criteria-card__body {
    padding: 1.75rem;
}

.pa-criteria-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin: 0 0 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--brand-teal, #079);
    line-height: 1.35;
}

.pa-criteria-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pa-criteria-card__list li {
    font-size: 0.85rem;
    color: var(--color-texto-muted, #6b7280);
    line-height: 1.6;
    padding: 0.5rem 0;
    padding-left: 1rem;
    position: relative;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.pa-criteria-card__list li:last-child {
    border-bottom: none;
}

.pa-criteria-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 5px;
    height: 5px;
    background: var(--brand-teal, #079);
    border-radius: 50%;
}

/* ============================================================================
   PRODUCTO FLEXIBLE (pf-) — Clases específicas para template flexible
   ============================================================================ */

/* Intro Grid */
.pf-intro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .pf-intro-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.pf-intro-block p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-texto-muted, #555);
    margin: 0;
}

/* Callout decisión */
.pf-callout {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--brand-navy, #024) 0%, #0a3d62 100%);
    border-radius: 16px;
    color: #fff;
}

@media (min-width: 768px) {
    .pf-callout {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 2.5rem 3rem;
    }
}

.pf-callout__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.5rem;
}

.pf-callout__text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    max-width: 700px;
}

.pf-callout__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--brand-cyan, #3ac2f8);
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 8px;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.2s, box-shadow 0.2s;
}

.pf-callout__link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Tipos Grid */
.pf-tipos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    grid-auto-rows: auto 1fr auto;
}

@media (min-width: 768px) {
    .pf-tipos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pf-tipo-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    min-height: 380px;
    display: grid;
    grid-row: span 3;
    grid-template-rows: subgrid;
}

.pf-tipo-card__img {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.pf-tipo-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.pf-tipo-card:hover .pf-tipo-card__img img {
    transform: scale(1.08);
}

.pf-tipo-card__img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 14, 39, 0.7);
    transition: background 0.3s ease;
}

.pf-tipo-card:hover .pf-tipo-card__img::after {
    background: rgba(10, 14, 39, 0.8);
}

.pf-tipo-card__body {
    position: relative;
    z-index: 2;
    padding: 1.5rem;
    grid-row: 1 / -1;
    display: grid;
    grid-template-rows: subgrid;
}

.pf-tipo-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
    align-self: start;
}

.pf-tipo-card__desc {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    align-self: start;
}

.pf-tipo-card__list {
    list-style: none;
    padding: 0;
    margin: 0 0 0.75rem;
}

.pf-tipo-card__list li {
    font-size: 0.8rem;
    padding: 0.25rem 0 0.25rem 1rem;
    position: relative;
    color: rgba(255, 255, 255, 0.75);
}

.pf-tipo-card__list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--brand-cyan, #3ac2f8);
    font-weight: bold;
}

.pf-tipo-card__footer {
    align-self: end;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pf-tipo-card__apps {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.pf-tipo-card__apps strong {
    color: var(--brand-cyan, #3ac2f8);
}

.pf-tipo-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--brand-cyan, #3ac2f8);
    text-decoration: none;
    transition: color 0.2s ease;
}

.pf-tipo-card__link:hover {
    color: #fff;
}

/* Cards sin imagen — texto oscuro legible sobre fondo claro */
.pf-tipo-card--no-img {
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    min-height: auto;
}
.pf-tipo-card--no-img .pf-tipo-card__body {
    color: var(--brand-navy, #0c1929);
}
.pf-tipo-card--no-img .pf-tipo-card__title {
    color: var(--brand-navy, #0c1929);
}
.pf-tipo-card--no-img .pf-tipo-card__desc {
    color: #4a5568;
}
.pf-tipo-card--no-img .pf-tipo-card__apps {
    color: #4a5568;
}
.pf-tipo-card--no-img .pf-tipo-card__link {
    color: var(--brand-cyan, #0090c7);
}
.pf-tipo-card--no-img .pf-tipo-card__link:hover {
    color: var(--brand-navy, #0c1929);
}

/* Card sin imagen con fondo oscuro (mantiene texto blanco) */
.pf-tipo-card--dark-bg {
    background: linear-gradient(135deg, #0c1929 0%, #1a2744 100%);
}

/* Geometrías Grid - 2 columnas */
.pf-geometrias-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .pf-geometrias-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

.pf-geometria-card {
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
    border-radius: 12px;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* Header con fondo azul oscuro */
.pf-geometria-card__header {
    background: linear-gradient(135deg, #0a0e27 0%, #1a2744 100%);
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.pf-geometria-card__header-text {
    flex: 1;
}

.pf-geometria-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.25rem;
    line-height: 1.3;
}

.pf-geometria-card__seccion {
    font-size: 0.7rem;
    color: var(--brand-cyan, #3ac2f8);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.pf-geometria-card__icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pf-geometria-card__icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--brand-cyan, #3ac2f8);
    stroke-width: 2;
    fill: none;
}

/* Body */
.pf-geometria-card__body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Descripción - altura fija */
.pf-geometria-card__desc {
    font-size: 0.78rem;
    line-height: 1.6;
    color: #555;
    margin: 0 0 0.75rem;
    min-height: 60px;
}

/* Uso - altura fija */
.pf-geometria-card__uso {
    font-size: 0.75rem;
    padding: 0.6rem 0.75rem;
    background: linear-gradient(135deg, rgba(58, 194, 248, 0.08), rgba(0, 34, 68, 0.04));
    border-radius: 6px;
    margin-bottom: 0.75rem;
    min-height: 50px;
}

.pf-geometria-card__uso strong {
    display: block;
    color: var(--brand-cyan, #3ac2f8);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
}

.pf-geometria-card__uso span {
    color: #444;
    line-height: 1.5;
}

/* Parámetros */
.pf-geometria-card__params {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin: 0 0 0.75rem;
    padding: 0;
    flex: 1;
}

.pf-geometria-card__param {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.72rem;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.pf-geometria-card__param:last-child {
    border-bottom: none;
}

.pf-geometria-card__param dt {
    color: #888;
}

.pf-geometria-card__param dd {
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
    text-align: right;
}

/* Variantes */
.pf-geometria-card__variantes {
    font-size: 0.7rem;
    color: #666;
    margin: 0;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.pf-geometria-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: auto;
    padding-top: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-cyan, #3ac2f8);
    text-decoration: none;
    transition: color 0.2s ease;
}

.pf-geometria-card__link:hover {
    color: var(--brand-navy, #024);
}

/* Tira de imágenes - siempre 5 en fila */
.pf-image-strip {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    width: 100%;
    margin: 0;
    padding: 0;
    line-height: 0;
    gap: 0;
}

.pf-image-strip img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    display: block;
    margin: 0;
    padding: 0;
}

@media (min-width: 480px) {
    .pf-image-strip img {
        height: 100px;
    }
}

@media (min-width: 768px) {
    .pf-image-strip img {
        height: 160px;
    }
}

@media (min-width: 1024px) {
    .pf-image-strip img {
        height: 200px;
    }
}

/* Formulaciones Accordion */
.pf-formulas-accordion {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pf-formula-item {
    background: #fff;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.pf-formula-item[open] {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.pf-formula-item__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    list-style: none;
}

.pf-formula-item__header::-webkit-details-marker {
    display: none;
}

.pf-formula-item__title {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--brand-navy, #024);
}

.pf-formula-item__series {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--color-surface, #f0f0f0);
    border-radius: 20px;
    color: var(--color-texto-muted, #666);
}

.pf-formula-item__header i {
    color: var(--color-texto-muted, #999);
    transition: transform 0.2s;
}

.pf-formula-item[open] .pf-formula-item__header i {
    transform: rotate(180deg);
}

.pf-formula-item__body {
    padding: 0 1.25rem 1.25rem;
}

.pf-formula-item__resumen {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-texto-muted, #555);
    margin: 0 0 1rem;
}

.pf-formula-item__para {
    font-size: 0.85rem;
    color: var(--color-texto-muted, #666);
    margin: 0 0 1rem;
}

.pf-formula-item__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.pf-formula-item__links a {
    font-size: 0.8rem;
    color: var(--brand-teal, #079);
    text-decoration: none;
    font-weight: 500;
}

.pf-formula-item__links a:hover {
    text-decoration: underline;
}

/* ============================================================================
   COVERFLOW 3D - Estilo Apple
   ============================================================================ */
.pf-coverflow-section {
    background: linear-gradient(180deg, #0a0e27 0%, #0f1629 100%);
    padding: clamp(4rem, 10vh, 7rem) 0;
    overflow: hidden;
}

.pf-coverflow-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
}

.pf-coverflow-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand-cyan, #3ac2f8);
    margin-bottom: 0.75rem;
}

.pf-coverflow-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
}

.pf-coverflow-intro {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* Coverflow container */
.pf-coverflow {
    position: relative;
    perspective: 1200px;
    padding: 2rem 0 3rem;
}

.pf-coverflow__track {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 380px;
    position: relative;
    transition: min-height 0.4s ease;
}

/* Slides */
.pf-coverflow__slide {
    position: absolute;
    width: 320px;
    max-width: 85vw;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    transform-style: preserve-3d;
}

.pf-coverflow__slide.is-active {
    z-index: 10;
    transform: translateX(0) rotateY(0) scale(1);
    opacity: 1;
}

.pf-coverflow__slide.is-prev {
    z-index: 5;
    transform: translateX(-65%) rotateY(35deg) scale(0.85);
    opacity: 0.7;
}

.pf-coverflow__slide.is-next {
    z-index: 5;
    transform: translateX(65%) rotateY(-35deg) scale(0.85);
    opacity: 0.7;
}

.pf-coverflow__slide.is-far {
    z-index: 1;
    transform: translateX(calc(var(--offset) * 120%)) rotateY(calc(var(--offset) * -45deg)) scale(0.7);
    opacity: 0;
    pointer-events: none;
}

/* Card */
.pf-coverflow__card {
    background: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.03) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.pf-coverflow__slide.is-active .pf-coverflow__card {
    border-color: rgba(58, 194, 248, 0.3);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(58, 194, 248, 0.1),
        0 0 0 1px rgba(58, 194, 248, 0.1) inset;
}

.pf-coverflow__number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--brand-cyan, #3ac2f8), #0891b2);
    color: #fff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 24px rgba(58, 194, 248, 0.3);
}

.pf-coverflow__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
    line-height: 1.3;
}

.pf-coverflow__card-text {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    flex: 1;
}

/* Navigation */
.pf-coverflow__nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
    position: relative;
    z-index: 20;
}

.pf-coverflow__btn {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.pf-coverflow__btn:hover {
    background: rgba(58, 194, 248, 0.2);
    border-color: var(--brand-cyan, #3ac2f8);
    transform: scale(1.1);
}

.pf-coverflow__btn svg {
    width: 24px;
    height: 24px;
}

.pf-coverflow__dots {
    display: flex;
    gap: 0.5rem;
}

.pf-coverflow__dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.pf-coverflow__dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.pf-coverflow__dot.is-active {
    background: var(--brand-cyan, #3ac2f8);
    transform: scale(1.3);
    box-shadow: 0 0 12px rgba(58, 194, 248, 0.5);
}

.pf-plazos {
    margin-top: 2.5rem;
    padding: 1.5rem;
    background: var(--color-surface, #f9fafb);
    border-radius: 10px;
}

.pf-plazos h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--brand-navy, #024);
    margin: 0 0 1rem;
}

.pf-plazos dl {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 0;
}

.pf-plazo {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
}

.pf-plazo dt {
    color: var(--color-texto-muted, #666);
}

.pf-plazo dd {
    font-weight: 600;
    color: var(--brand-navy, #024);
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TRUST BAR - Tolerancias y Certificaciones
   ═══════════════════════════════════════════════════════════════════════════ */

.pf-trust {
    background: linear-gradient(135deg, #0a1628 0%, #132742 100%);
    padding: 3rem 1.5rem;
}

.pf-trust__inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2.5rem 4rem;
}

.pf-trust__block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.pf-trust__block--wide {
    flex-basis: 100%;
}

@media (min-width: 768px) {
    .pf-trust__block--wide {
        flex-basis: auto;
    }
}

.pf-trust__label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.5);
}

.pf-trust__chips {
    display: flex;
    gap: 0.5rem;
}

.pf-trust__chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: rgba(58, 194, 248, 0.15);
    border: 1px solid rgba(58, 194, 248, 0.4);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #3ac2f8;
    letter-spacing: 0.02em;
}

.pf-trust__items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
}

.pf-trust__item {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    white-space: nowrap;
}

.pf-trust__item::before {
    content: '✓';
    margin-right: 0.4rem;
    color: #3ac2f8;
    font-size: 0.8rem;
}

/* Grid 4 columnas (para sectores y productos relacionados) */
.pa-producto .grid-4-cols,
.pa-producto .grid-cards.grid-4-cols {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 1.5rem !important;
}

@media (max-width: 1024px) {
    .pa-producto .grid-4-cols,
    .pa-producto .grid-cards.grid-4-cols {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 640px) {
    .pa-producto .grid-4-cols,
    .pa-producto .grid-cards.grid-4-cols {
        grid-template-columns: 1fr !important;
    }
}

/* Cards de sectores y productos - párrafos más sutiles */
.pa-producto .card-sector p,
.pa-producto .card-producto p {
    font-size: 0.8rem !important;
    color: #666 !important;
    line-height: 1.5;
}

.pa-producto .card-sector:hover p,
.pa-producto .card-producto:hover p {
    color: rgba(255,255,255,0.9) !important;
}

/* Sectores Grid */
.pf-sectores-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 600px) {
    .pf-sectores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pf-sectores-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pf-sector-card {
    background: var(--color-surface, #f9fafb);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s, border-color 0.2s;
}

.pf-sector-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.08);
}

.pf-sector-card__icon {
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
    color: var(--brand-teal, #079);
}

.pf-sector-card__icon svg {
    width: 100%;
    height: 100%;
}

.pf-sector-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin: 0 0 0.5rem;
}

.pf-sector-card p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--color-texto-muted, #555);
    margin: 0;
}

.pf-sector-card a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--brand-teal, #079);
    text-decoration: none;
}

.pf-sector-card a:hover {
    text-decoration: underline;
}

/* Table compact */
.pa-table--compact {
    font-size: 0.85rem;
}

.pa-table--compact th,
.pa-table--compact td {
    padding: 0.6rem 0.75rem;
}

/* Disclaimer */
.pa-disclaimer {
    padding: 1.5rem 0;
    background: var(--color-surface, #f5f5f5);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.pa-disclaimer p {
    font-size: 0.75rem;
    color: var(--color-texto-muted, #888);
    text-align: center;
    margin: 0;
    line-height: 1.6;
}

/* ============================================================================
   FORMULACIONES PANEL — Layout sidebar + contenido
   Clases 100% encapsuladas, usa paleta del sitio
   ============================================================================ */

.pf-formulas {
    background: linear-gradient(135deg, rgba(0, 22, 44, 0.95) 0%, rgba(0, 34, 68, 0.92) 100%),
                url('../../img/blog/tipos-silicona.webp') center/cover no-repeat fixed;
    padding: clamp(3rem, 6vw, 5rem) 0;
    overflow-x: hidden;
    max-width: 100vw;
}

.pf-formulas__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

/* Header de sección */
.pf-formulas__section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.pf-formulas__section-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand-cyan, #3ac2f8);
    margin-bottom: 0.5rem;
}

.pf-formulas__section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: #fff;
    margin: 0;
}

/* Layout grid */
.pf-formulas__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
}

@media (min-width: 900px) {
    .pf-formulas__layout {
        grid-template-columns: 260px 1fr;
        gap: 3rem;
    }
}

/* Sidebar */
.pf-formulas__sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (min-width: 900px) {
    .pf-formulas__sidebar {
        position: sticky;
        top: 90px;
        max-height: calc(100vh - 110px);
        overflow-y: auto;
        padding-right: 0.5rem;
        scrollbar-width: thin;
        scrollbar-color: rgba(0,0,0,0.2) transparent;
    }

    .pf-formulas__sidebar::-webkit-scrollbar {
        width: 4px;
    }

    .pf-formulas__sidebar::-webkit-scrollbar-track {
        background: transparent;
    }

    .pf-formulas__sidebar::-webkit-scrollbar-thumb {
        background: rgba(0,0,0,0.15);
        border-radius: 4px;
    }

    .pf-formulas__sidebar::-webkit-scrollbar-thumb:hover {
        background: rgba(0,0,0,0.25);
    }
}

@media (max-width: 899px) {
    .pf-formulas__sidebar {
        flex-direction: row;
        overflow-x: auto;
        gap: 0.5rem;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }
}

.pf-formulas__nav-item {
    display: block;
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: all 0.2s ease;
}

@media (max-width: 899px) {
    .pf-formulas__nav-item {
        flex-shrink: 0;
        min-width: 200px;
    }
}

.pf-formulas__nav-item:hover {
    border-color: var(--brand-cyan, #3ac2f8);
    background: rgba(255, 255, 255, 0.12);
}

.pf-formulas__nav-item.is-active {
    border-color: var(--brand-cyan, #3ac2f8);
    background: rgba(255, 255, 255, 0.15);
}

.pf-formulas__nav-name {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.2rem;
}

.pf-formulas__nav-series {
    display: block;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Panel de contenido */
.pf-formulas__panel {
    min-height: 400px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.pf-formulas__content {
    display: none;
}

.pf-formulas__content.is-active {
    display: block;
    animation: pfFade 0.25s ease;
}

@keyframes pfFade {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Header del contenido - Mini hero */
.pf-formulas__header {
    margin: -2rem -2rem 1.5rem -2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0, 22, 44, 0.92) 0%, rgba(0, 34, 68, 0.88) 100%),
                url('../../img/blog/tipos-silicona.webp') center/cover no-repeat;
    border-radius: 12px 12px 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pf-formulas__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.pf-formulas__series-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pf-formulas__badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: 20px;
    letter-spacing: 0.02em;
}

/* Resumen */
.pf-formulas__resumen {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--color-texto-muted, #555);
    margin: 0 0 1.5rem;
}

/* Target */
.pf-formulas__target {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: #f8f9fa;
    border-left: 3px solid var(--brand-cyan, #3ac2f8);
    border-radius: 0 8px 8px 0;
}

.pf-formulas__target-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-cyan, #3ac2f8);
    margin-bottom: 0.25rem;
}

.pf-formulas__target p {
    font-size: 0.85rem;
    color: #333;
    margin: 0;
    line-height: 1.5;
}

/* TABLA — 100% encapsulada con reset completo + !important para sobreescribir _tables.css */
.pf-formulas .pf-formulas__table-wrap {
    margin-bottom: 1.5rem;
    overflow-x: auto;
    border: 1px solid #e5e5e5 !important;
    border-radius: 8px !important;
}

.pf-formulas table.pf-formulas__table {
    width: 100% !important;
    border-collapse: collapse !important;
    border-spacing: 0 !important;
    font-size: 0.8rem !important;
    font-family: inherit !important;
    background: #fff !important;
    border: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.pf-formulas table.pf-formulas__table thead {
    background: none !important;
    border: none !important;
}

.pf-formulas table.pf-formulas__table tbody {
    background: none !important;
    border: none !important;
}

.pf-formulas table.pf-formulas__table th,
.pf-formulas table.pf-formulas__table td {
    padding: 0.7rem 0.9rem !important;
    text-align: left !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
}

.pf-formulas table.pf-formulas__table thead th {
    background: var(--brand-navy, #002244) !important;
    color: #fff !important;
    font-weight: 500 !important;
    font-size: 0.7rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.04em !important;
    border: none !important;
    border-radius: 0 !important;
}

.pf-formulas table.pf-formulas__table tbody td {
    border-bottom: 1px solid #f0f0f0 !important;
    color: #333 !important;
    background: #fff !important;
}

.pf-formulas table.pf-formulas__table tbody tr:last-child td {
    border-bottom: none !important;
}

.pf-formulas table.pf-formulas__table tbody tr:hover td {
    background: #fafafa !important;
}

.pf-formulas .pf-formulas__table-label {
    font-weight: 500 !important;
    color: var(--brand-navy, #002244) !important;
}

/* Perfiles Juntas Hinchables - Estilos específicos (imagen de fondo desde PHP) */
#perfiles.pf-formulas {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Tablas con muchas columnas (perfiles hinchables) - evitar scroll */
#perfiles .pf-formulas table.pf-formulas__table th,
#perfiles .pf-formulas table.pf-formulas__table td {
    padding: 0.5rem 0.4rem !important;
    font-size: 0.7rem !important;
    white-space: normal !important;
    word-break: break-word !important;
    min-width: 45px !important;
}

#perfiles .pf-formulas table.pf-formulas__table thead th {
    font-size: 0.6rem !important;
    line-height: 1.3 !important;
    text-align: center !important;
}

#perfiles .pf-formulas table.pf-formulas__table td {
    text-align: center !important;
}

#perfiles .pf-formulas table.pf-formulas__table td:first-child {
    text-align: left !important;
    font-weight: 600 !important;
    white-space: nowrap !important;
}

/* Subtablas */
.pf-formulas__subtables {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 700px) {
    .pf-formulas__subtables {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pf-formulas__subtable h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 0.6rem;
}

.pf-formulas table.pf-formulas__table--mini {
    border: 1px solid #eee !important;
    border-radius: 6px !important;
    overflow: hidden !important;
}

.pf-formulas table.pf-formulas__table--mini td {
    padding: 0.55rem 0.75rem !important;
    font-size: 0.75rem !important;
}

.pf-formulas table.pf-formulas__table--mini .pf-formulas__table-label {
    background: #f9f9f9 !important;
    width: 45% !important;
    color: #666 !important;
    font-weight: 400 !important;
}

/* Listas química/geometrías */
.pf-formulas__chemistry,
.pf-formulas__geometries {
    margin-bottom: 1.25rem;
}

.pf-formulas__chemistry h4,
.pf-formulas__geometries h4 {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-cyan, #3ac2f8);
    margin: 0 0 0.6rem;
}

.pf-formulas__chemistry ul,
.pf-formulas__geometries ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pf-formulas__chemistry li,
.pf-formulas__geometries li {
    padding: 0.35rem 0.7rem;
    background: #f5f5f5;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #333;
}

/* Nota */
.pf-formulas__note {
    display: flex;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    background: rgba(58, 194, 248, 0.08);
    border: 1px solid rgba(58, 194, 248, 0.2);
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.pf-formulas__note svg {
    flex-shrink: 0;
    color: var(--brand-cyan, #3ac2f8);
}

.pf-formulas__note p {
    font-size: 0.8rem;
    color: #333;
    margin: 0;
    line-height: 1.5;
}

/* Acciones */
.pf-formulas__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid #eee;
}

.pf-formulas__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background: var(--brand-navy, #024);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s ease;
}

.pf-formulas__link:hover {
    background: var(--brand-navy-light, #035);
}

/* ============================================================================
   MÓVIL: ACORDEÓN para pf-formulas
   En móvil, el layout sidebar+panel se convierte en acordeón vertical
   ============================================================================ */

/* Ocultar layout desktop en móvil, mostrar acordeón */
.pf-formulas__accordion {
    display: none;
}

@media (max-width: 899px) {
    /* Ocultar layout desktop */
    .pf-formulas__layout {
        display: none !important;
    }

    /* Mostrar acordeón */
    .pf-formulas__accordion {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .pf-formulas {
        padding: 2rem 0;
    }

    .pf-formulas__container {
        padding: 0 1rem;
    }

    .pf-formulas__section-header {
        margin-bottom: 1.5rem;
    }

    .pf-formulas__section-title {
        font-size: 1.35rem;
    }

    /* Acordeón item */
    .pf-accordion-item {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 12px;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .pf-accordion-item.is-open {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    }

    /* Header del acordeón - siempre visible */
    .pf-accordion-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 1rem 1.25rem;
        cursor: pointer;
        background: linear-gradient(135deg, rgba(0, 34, 68, 0.95) 0%, rgba(0, 51, 102, 0.9) 100%);
        border: none;
        width: 100%;
        text-align: left;
        font-family: inherit;
        transition: all 0.2s ease;
    }

    .pf-accordion-header:active {
        transform: scale(0.99);
    }

    .pf-accordion-header__info {
        flex: 1;
    }

    .pf-accordion-header__title {
        font-size: 0.95rem;
        font-weight: 600;
        color: #fff;
        margin: 0 0 0.25rem;
        line-height: 1.3;
    }

    .pf-accordion-header__meta {
        display: flex;
        flex-wrap: wrap;
        gap: 0.35rem;
    }

    .pf-accordion-header__badge {
        display: inline-block;
        padding: 0.15rem 0.45rem;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 20px;
        font-size: 0.6rem;
        color: rgba(255, 255, 255, 0.85);
    }

    .pf-accordion-header__icon {
        width: 28px;
        height: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        margin-left: 0.75rem;
        flex-shrink: 0;
        transition: transform 0.3s ease;
    }

    .pf-accordion-header__icon svg {
        width: 14px;
        height: 14px;
        stroke: #fff;
        transition: transform 0.3s ease;
    }

    .pf-accordion-item.is-open .pf-accordion-header__icon svg {
        transform: rotate(180deg);
    }

    /* Contenido del acordeón */
    .pf-accordion-body {
        display: none;
        padding: 1.25rem;
        background: #fff;
    }

    .pf-accordion-item.is-open .pf-accordion-body {
        display: block;
        animation: accordionSlide 0.3s ease;
    }

    @keyframes accordionSlide {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Contenido dentro del acordeón */
    .pf-accordion-body .pf-formulas__resumen {
        font-size: 0.9rem;
        line-height: 1.65;
        color: #444;
        margin: 0 0 1.25rem;
    }

    .pf-accordion-body .pf-formulas__target {
        margin-bottom: 1.25rem;
        padding: 0.85rem 1rem;
        background: #f5f7fa;
        border-left: 3px solid var(--brand-cyan, #3ac2f8);
        border-radius: 0 8px 8px 0;
    }

    .pf-accordion-body .pf-formulas__target-label {
        font-size: 0.6rem;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--brand-cyan, #0891b2);
        margin-bottom: 0.2rem;
        display: block;
        font-weight: 600;
    }

    .pf-accordion-body .pf-formulas__target p {
        font-size: 0.85rem;
        color: #333;
        margin: 0;
        line-height: 1.5;
    }

    /* Tabla dentro del acordeón - Contenedor */
    .pf-accordion-body .pf-formulas__table-wrap {
        margin: 0 0 1.25rem 0;
        padding: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border: 1px solid #e0e0e0;
        border-radius: 10px;
        position: relative;
        background: #fff;
    }

    /* Sombra lateral derecha - indica más contenido */
    .pf-accordion-body .pf-formulas__table-wrap::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 40px;
        background: linear-gradient(90deg, transparent 0%, rgba(0, 34, 68, 0.08) 100%);
        pointer-events: none;
        z-index: 2;
        border-radius: 0 10px 10px 0;
        opacity: 1;
        transition: opacity 0.3s ease;
    }

    .pf-accordion-body .pf-formulas__table-wrap.scrolled::before {
        opacity: 0;
    }

    /* Indicador de swipe animado */
    .pf-accordion-body .pf-formulas__table-wrap::after {
        content: '← Desliza →';
        position: absolute;
        bottom: 8px;
        right: 10px;
        padding: 4px 10px;
        background: linear-gradient(135deg, var(--brand-navy, #002244) 0%, #003366 100%);
        color: #fff;
        font-size: 0.6rem;
        font-weight: 600;
        letter-spacing: 0.03em;
        border-radius: 12px;
        pointer-events: none;
        z-index: 3;
        box-shadow: 0 2px 8px rgba(0, 34, 68, 0.3);
        animation: swipeHint 2s ease-in-out infinite;
        opacity: 1;
        transition: opacity 0.3s ease;
    }

    .pf-accordion-body .pf-formulas__table-wrap.scrolled::after {
        opacity: 0;
    }

    @keyframes swipeHint {
        0%, 100% { transform: translateX(0); }
        25% { transform: translateX(-4px); }
        75% { transform: translateX(4px); }
    }

    .pf-accordion-body table.pf-formulas__table {
        width: max-content;
        min-width: 100%;
        font-size: 0.75rem !important;
        border: none !important;
        margin: 0 !important;
        border-radius: 10px;
        overflow: hidden;
    }

    .pf-accordion-body table.pf-formulas__table th,
    .pf-accordion-body table.pf-formulas__table td {
        padding: 0.55rem 0.5rem !important;
        white-space: nowrap;
    }

    .pf-accordion-body table.pf-formulas__table thead th {
        background: var(--brand-navy, #002244) !important;
        color: #fff !important;
        font-size: 0.65rem !important;
        text-transform: uppercase;
        letter-spacing: 0.03em;
    }

    .pf-accordion-body table.pf-formulas__table tbody td {
        background: #fff !important;
        border-bottom: 1px solid #f0f0f0 !important;
    }

    .pf-accordion-body table.pf-formulas__table tbody tr:last-child td {
        border-bottom: none !important;
    }

    /* Notas */
    .pf-accordion-body .pf-formulas__note {
        display: flex;
        gap: 0.6rem;
        padding: 0.75rem;
        background: #f9fafb;
        border-radius: 8px;
        margin-top: 1rem;
    }

    .pf-accordion-body .pf-formulas__note svg {
        width: 16px;
        height: 16px;
        flex-shrink: 0;
        color: var(--brand-cyan, #0891b2);
    }

    .pf-accordion-body .pf-formulas__note p,
    .pf-accordion-body .pf-formulas__note div {
        font-size: 0.75rem;
        color: #555;
        line-height: 1.5;
        margin: 0;
    }

    /* Subtablas en acordeón */
    .pf-accordion-body .pf-formulas__subtables {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        margin: 1rem 0;
    }

    .pf-accordion-body .pf-formulas__subtable h4 {
        font-size: 0.8rem;
        margin: 0 0 0.5rem;
        color: #333;
    }

    /* Química y geometrías */
    .pf-accordion-body .pf-formulas__chemistry,
    .pf-accordion-body .pf-formulas__geometries {
        margin: 1rem 0;
    }

    .pf-accordion-body .pf-formulas__chemistry h4,
    .pf-accordion-body .pf-formulas__geometries h4 {
        font-size: 0.8rem;
        color: #333;
        margin: 0 0 0.5rem;
    }

    .pf-accordion-body .pf-formulas__chemistry ul,
    .pf-accordion-body .pf-formulas__geometries ul {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .pf-accordion-body .pf-formulas__chemistry li,
    .pf-accordion-body .pf-formulas__geometries li {
        font-size: 0.8rem;
        padding: 0.25rem 0 0.25rem 1rem;
        position: relative;
        color: #555;
    }

    .pf-accordion-body .pf-formulas__chemistry li::before,
    .pf-accordion-body .pf-formulas__geometries li::before {
        content: '•';
        position: absolute;
        left: 0;
        color: var(--brand-cyan, #0891b2);
    }

    /* Acciones */
    .pf-accordion-body .pf-formulas__actions {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1.25rem;
    }

    .pf-accordion-body .pf-formulas__link {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        padding: 0.75rem 1rem;
        background: var(--brand-navy, #002244);
        color: #fff;
        border-radius: 8px;
        font-size: 0.85rem;
        font-weight: 500;
        text-decoration: none;
        transition: all 0.2s ease;
    }

    .pf-accordion-body .pf-formulas__link:hover {
        background: var(--brand-navy-light, #003366);
    }
}

/* En desktop, ocultar acordeón */
@media (min-width: 900px) {
    .pf-formulas__accordion {
        display: none !important;
    }
}

/* --- TIRA DE FOTOS --- */
.pf-tira {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    margin-top: 3rem;
    margin-left: calc(-1 * clamp(1rem, 3vw, 2rem));
    margin-right: calc(-1 * clamp(1rem, 3vw, 2rem));
    margin-bottom: calc(-1 * clamp(3rem, 6vw, 5rem));
}

.pf-tira__item {
    aspect-ratio: 1;
    overflow: hidden;
}

.pf-tira__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pf-tira__item {
    aspect-ratio: 1;
    overflow: hidden;
}

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

/* ============================================================================
   JUNTAS HINCHABLES — Secciones específicas
   ============================================================================ */

/* --- FUNCIONAMIENTO --- */
.pf-estados-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

/* Estado Cards - Estilo Tesla/Samsung */
.pf-estado-card {
    background: linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #0f2744 100%);
    border-radius: 16px;
    overflow: hidden;
}

.pf-estado-card__img {
    overflow: hidden;
    position: relative;
}

.pf-estado-card__img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, #0c1929, transparent);
    pointer-events: none;
}

.pf-estado-card__img img {
    width: 100%;
    height: auto;
    display: block;
}

.pf-estado-card__body {
    padding: 1.75rem;
}

.pf-estado-card__title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #fff;
}

.pf-estado-card__body p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    margin: 0;
}

/* Ventajas - Estilo Tesla/Samsung */
.pf-ventajas {
    background: linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #0f2744 100%);
    border-radius: 16px;
    padding: 2rem 2.5rem;
    margin-bottom: 2rem;
}

.pf-ventajas__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem 2.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pf-ventajas__list li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.6;
}

.pf-ventajas__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.9rem;
    color: #fff;
    font-weight: 600;
}

/* Fluidos - Estilo Tesla/Samsung */
.pf-fluidos {
    background: linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #0f2744 100%);
    border-radius: 16px;
    padding: 2.5rem;
    color: #fff;
}

.pf-fluidos h4 {
    margin: 0 0 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.5);
}

.pf-fluidos__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .pf-fluidos__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pf-fluidos__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.pf-fluidos__item:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.pf-fluidos__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(56,189,248,0.15) 0%, rgba(14,165,233,0.08) 100%);
    border-radius: 50%;
}

.pf-fluidos__icon svg {
    width: 24px;
    height: 24px;
    stroke: #38bdf8;
    fill: none;
    stroke-width: 1.5;
}

.pf-fluidos__name {
    font-size: 0.9rem;
    font-weight: 500;
    color: #fff;
    text-align: center;
}

.pf-fluidos__nota {
    margin: 0;
    padding: 1.25rem 1.5rem;
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: 10px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.pf-fluidos__nota svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    stroke: #ef4444;
    fill: none;
    stroke-width: 2;
}

/* --- EXPANSIÓN --- */
.pf-expansion-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 900px) {
    .pf-expansion-grid {
        grid-template-columns: 1fr;
    }
}

.pf-expansion-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    text-align: center;
    display: flex;
    flex-direction: column;
}

.pf-expansion-card__img {
    padding: 1.5rem;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 180px;
}

.pf-expansion-card__img img {
    width: 160px;
    height: 160px;
    object-fit: contain;
}

.pf-expansion-card__body {
    padding: 1.5rem;
    text-align: left;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pf-expansion-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--brand-navy, #024);
}

.pf-expansion-card__abbr {
    font-weight: 400;
    color: #64748b;
}

.pf-expansion-card__radio {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #64748b;
}

.pf-expansion-card p {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* --- MATERIAL --- */
.pf-material-table-wrap {
    margin-bottom: 2rem;
}

.pf-material-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    table-layout: fixed;
}

.pf-material-table th {
    background: var(--brand-navy, #024);
    color: #fff;
    padding: 0.85rem 0.6rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.75rem;
    white-space: normal;
    line-height: 1.3;
    vertical-align: middle;
}

.pf-material-table th:first-child {
    text-align: left;
    width: 35%;
}

.pf-material-table td {
    padding: 0.7rem 0.6rem;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.85rem;
    text-align: center;
    white-space: normal;
}

.pf-material-table td:first-child {
    text-align: left;
}

.pf-material-table__label {
    font-weight: 600;
    color: #334155;
}

.pf-material-table tbody tr:hover {
    background: #f8fafc;
}

/* Guía de Selección - Estilo Tesla/Samsung */
.pf-material-seleccion {
    background: linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #0f2744 100%);
    border-radius: 16px;
    padding: 2.5rem;
}

.pf-material-seleccion h4 {
    margin: 0 0 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.5);
}

.pf-material-seleccion dl {
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

@media (max-width: 900px) {
    .pf-material-seleccion dl {
        grid-template-columns: 1fr;
    }
}

.pf-material-seleccion__item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.75rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.pf-material-seleccion__item:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.15);
}

.pf-material-seleccion dt {
    font-weight: 600;
    color: #fff;
    font-size: 1rem;
}

.pf-material-seleccion dt span {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: #38bdf8;
}

.pf-material-seleccion dd {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

/* --- ACCESORIOS --- */
.pf-accesorio-block {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.pf-accesorio-block h3 {
    margin: 0 0 1rem;
    font-size: 1.15rem;
    color: var(--brand-navy, #024);
}

.pf-accesorio-block > p {
    margin-bottom: 1.5rem;
    color: #475569;
}

.pf-accesorio-desc {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.6;
}

.pf-accesorio-table-wrap {
    overflow-x: auto;
    margin-bottom: 1rem;
}

.pf-accesorio-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

/* Tabla accesorios - sin scroll */
.pf-accesorio-table th {
    background: var(--brand-navy, #024);
    color: #fff;
    padding: 0.75rem 0.6rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    border-bottom: none;
    white-space: normal;
    line-height: 1.3;
}

.pf-accesorio-table td {
    padding: 0.6rem;
    border-bottom: 1px solid #e2e8f0;
    white-space: normal;
    font-size: 0.85rem;
}

.pf-accesorio-nota {
    margin: 1.5rem 0 0;
    padding: 1rem 1.25rem;
    background: rgba(239,68,68,0.06);
    border-radius: 8px;
    font-size: 0.85rem;
    color: #64748b;
    font-style: normal;
    line-height: 1.6;
}

/* Válvulas - Estilo Tesla/Samsung Premium */
.pf-valvulas {
    background: linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #0f2744 100%);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2rem;
}

.pf-valvulas__header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.pf-valvulas__header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
}

.pf-valvulas__header p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

.pf-valvulas__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
}

@media (max-width: 1100px) {
    .pf-valvulas__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 700px) {
    .pf-valvulas__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .pf-valvulas__grid {
        grid-template-columns: 1fr;
    }
}

.pf-valvulas__card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.pf-valvulas__card:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-4px);
}

.pf-valvulas__img {
    aspect-ratio: 1;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.06) 100%);
}

.pf-valvulas__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.pf-valvulas__card:hover .pf-valvulas__img img {
    transform: scale(1.05);
}

.pf-valvulas__body {
    padding: 1.25rem;
    text-align: center;
}

.pf-valvulas__ref {
    display: inline-block;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.pf-valvulas__desc {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.5;
    margin: 0;
}

.pf-valvulas__nota {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 2.5rem;
    padding: 1.25rem 1.5rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
}

.pf-valvulas__nota svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: #38bdf8;
}

.pf-valvulas__nota p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin: 0;
}

/* Fijación - Estilo Tesla/Samsung */
.pf-fijacion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.pf-fijacion-card {
    padding: 2rem;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
}

.pf-fijacion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0c1929, #1e3a5f);
}

.pf-fijacion-card h4 {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
}

.pf-fijacion-card p {
    margin: 0;
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.7;
}

/* --- MONTAJE SLIDER PREMIUM --- */
.pf-montaje-slider {
    background: linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #0f2744 100%);
    padding: clamp(4rem, 8vw, 6rem) 0;
}

.pf-montaje-slider__container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

.pf-montaje-slider__header {
    text-align: center;
    margin-bottom: 3rem;
}

.pf-montaje-slider__eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #38bdf8;
    margin-bottom: 0.75rem;
}

.pf-montaje-slider__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
}

.pf-montaje-slider__intro {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Navegación de pasos */
.pf-montaje-slider__nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 600px) {
    .pf-montaje-slider__nav {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }
}

.pf-montaje-slider__nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 1rem 0.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pf-montaje-slider__nav-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

.pf-montaje-slider__nav-btn.is-active {
    background: rgba(56, 189, 248, 0.15);
    border-color: #38bdf8;
}

.pf-montaje-slider__nav-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: #38bdf8;
}

.pf-montaje-slider__nav-title {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
    text-align: center;
}

.pf-montaje-slider__nav-btn.is-active .pf-montaje-slider__nav-title {
    color: #fff;
}

/* Cards de contenido */
.pf-montaje-slider__cards {
    position: relative;
    min-height: 280px;
}

.pf-montaje-slider__card {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 20px;
    padding: 3rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.pf-montaje-slider__card.is-active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.pf-montaje-slider__card-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(0, 34, 68, 0.08);
    line-height: 1;
    margin-bottom: -1rem;
}

.pf-montaje-slider__card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-navy, #024);
    margin: 0 0 1rem;
}

.pf-montaje-slider__card-desc {
    font-size: 1.05rem;
    color: #475569;
    line-height: 1.8;
    margin: 0 0 1.5rem;
}

.pf-montaje-slider__card-progress {
    font-size: 0.8rem;
    color: #94a3b8;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

/* Controles prev/next */
.pf-montaje-slider__controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.pf-montaje-slider__btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pf-montaje-slider__btn:hover:not(:disabled) {
    background: rgba(255,255,255,0.2);
}

.pf-montaje-slider__btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pf-montaje-slider__btn svg {
    width: 18px;
    height: 18px;
}

/* Advertencias */
.pf-montaje-slider__warnings {
    display: flex;
    gap: 1rem;
    margin-top: 3rem;
    padding: 1.5rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
}

.pf-montaje-slider__warnings > svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: #ef4444;
}

.pf-montaje-slider__warnings strong {
    display: block;
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.pf-montaje-slider__warnings ul {
    margin: 0;
    padding-left: 1.25rem;
}

.pf-montaje-slider__warnings li {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.25rem;
}

@media (max-width: 600px) {
    .pf-montaje-slider__nav {
        gap: 0.35rem;
    }

    .pf-montaje-slider__nav-btn {
        min-width: auto;
        padding: 0.75rem 1rem;
    }

    .pf-montaje-slider__nav-title {
        display: none;
    }

    .pf-montaje-slider__card {
        padding: 2rem;
    }

    .pf-montaje-slider__card-number {
        font-size: 3rem;
    }
}

/* --- MATRIZ HINCHABLES --- */
.pf-matriz-table-wrap {
    overflow-x: auto;
}

.pf-matriz-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.pf-matriz-table th {
    background: var(--brand-navy, #024);
    color: #fff;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
}

.pf-matriz-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

.pf-matriz-table__perfil {
    font-weight: 700;
    color: var(--brand-navy, #024);
}

.pf-matriz-table tbody tr:hover {
    background: #f8fafc;
}

/* Fotos debajo de la matriz */
.pf-matriz-fotos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

@media (max-width: 600px) {
    .pf-matriz-fotos {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.pf-matriz-fotos__item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.pf-matriz-fotos__item img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================================================
   SCROLL-SNAP MÓVIL — Efecto iPod para cards
   Solo activo en móvil (<768px)
   ============================================================================ */
@media (max-width: 768px) {

    /* Prevenir scroll horizontal en toda la página */
    .pa-producto {
        overflow-x: hidden;
    }

    /* Base compartida para todos los grids con scroll-snap */
    .pf-estados-grid,
    .pf-expansion-grid,
    .pf-valvulas__grid,
    .pf-fijacion-grid,
    .pf-tipos-grid,
    .pf-geometrias-grid,
    .pa-producto .grid-cards.grid-4-cols {
        display: flex !important;
        flex-wrap: nowrap !important;
        gap: 1rem;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding: 0.5rem 1.5rem 1.5rem 1.5rem;
        margin-left: -1.5rem;
        margin-right: -1.5rem;
    }

    /* Ocultar scrollbar pero mantener funcionalidad */
    .pf-estados-grid::-webkit-scrollbar,
    .pf-expansion-grid::-webkit-scrollbar,
    .pf-valvulas__grid::-webkit-scrollbar,
    .pf-fijacion-grid::-webkit-scrollbar,
    .pf-tipos-grid::-webkit-scrollbar,
    .pf-geometrias-grid::-webkit-scrollbar,
    .pa-producto .grid-cards.grid-4-cols::-webkit-scrollbar {
        display: none;
    }

    .pf-estados-grid,
    .pf-expansion-grid,
    .pf-valvulas__grid,
    .pf-fijacion-grid,
    .pf-tipos-grid,
    .pf-geometrias-grid,
    .pa-producto .grid-cards.grid-4-cols {
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    /* Cards individuales - centrado snap */
    .pf-estados-grid > *,
    .pf-expansion-grid > *,
    .pf-valvulas__grid > *,
    .pf-fijacion-grid > *,
    .pf-tipos-grid > *,
    .pf-geometrias-grid > *,
    .pa-producto .grid-cards.grid-4-cols > * {
        flex: 0 0 85%;
        max-width: 85%;
        scroll-snap-align: center;
    }

    /* Ajustes específicos por tipo de card */

    /* Estados: cards más compactas */
    .pf-estados-grid > * {
        flex: 0 0 80%;
        max-width: 80%;
    }

    /* Válvulas: contenedor padre debe contener el overflow */
    .pf-valvulas {
        overflow: hidden;
    }

    /* Válvulas: ajustar márgenes al padding del padre (3rem) */
    .pf-valvulas__grid {
        margin-left: -3rem !important;
        margin-right: -3rem !important;
        padding-left: 3rem !important;
        padding-right: 3rem !important;
    }

    /* Válvulas: cards más pequeñas (son 5) */
    .pf-valvulas__grid > * {
        flex: 0 0 70%;
        max-width: 70%;
    }

    /* Geometrías: cards más anchas por contenido */
    .pf-geometrias-grid > * {
        flex: 0 0 88%;
        max-width: 88%;
    }

    /* Tipos: tamaño medio */
    .pf-tipos-grid > * {
        flex: 0 0 85%;
        max-width: 85%;
    }

    /* Indicador visual de scroll (sombra lateral) */
    .pf-estados-grid,
    .pf-expansion-grid,
    .pf-valvulas__grid,
    .pf-fijacion-grid,
    .pf-tipos-grid,
    .pf-geometrias-grid,
    .pa-producto .grid-cards.grid-4-cols {
        position: relative;
    }

    /* Tira de fotos: contener en móvil sin overflow */
    .pf-tira {
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-bottom: 0 !important;
    }

}