/* ===================================================================
   STYLE.CSS — Webapp / Configurador "Dominar el Calor Vol. I"
   Identidad y escala tipográfica: brand-tokens.css (fuente de verdad).
   Este archivo conserva la Zona Herramienta (oscura), la Zona Libro
   del lector interactivo y la landing. El ebook imprimible usa su
   propia hoja editorial (book-theme.css), NO este archivo.
   =================================================================== */
@import url('brand-tokens.css');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    /* clip (no "hidden") evita que el menú off-canvas fijo ensanche el
       viewport en móvil, sin crear un contenedor de scroll que rompa
       position:sticky del lector en escritorio. */
    overflow-x: clip;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    /* Textura de ruido CSS ultra-sutil para romper el negro plano */
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(218,41,28,0.03) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(50,60,120,0.04) 0%, transparent 50%);
    background-attachment: fixed;
}

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000; /* Asegurar que esté por encima de todo */
    background: rgba(3, 3, 3, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
    padding-top: max(1.5rem, env(safe-area-inset-top));
    padding-left: max(4rem, env(safe-area-inset-left));
    padding-right: max(4rem, env(safe-area-inset-right));
}

.navbar.scrolled {
    background: rgba(3, 3, 3, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

@media (max-width: 1200px) {
    .navbar { padding-left: 2.5rem; padding-right: 2.5rem; }
}

@media (max-width: 992px) {
    .navbar { padding-left: 2rem; padding-right: 2rem; }
    .navbar.scrolled { padding-top: 0.85rem; padding-bottom: 0.85rem; }
}

@media (max-width: 768px) {
    .navbar { padding-left: 1.5rem; padding-right: 1.5rem; }
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.logo-light {
    font-weight: 300;
}

.logo-bold {
    font-weight: 900;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
}

.btn-outline:hover {
    background: white;
    color: var(--bg-dark) !important;
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding: 0 4rem;
    overflow: hidden;
}

.glow-sphere {
    position: absolute;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(3, 3, 3, 0) 60%);
    top: 50%;
    left: 50%;
    transform: translate(-20%, -50%);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 38% 62%;
    gap: 2rem;
    align-items: center;
    z-index: 1;
    margin-top: 4rem;
}

@media (max-width: 1100px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        padding-top: 2rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--bg-surface-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--accent-red);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    border-radius: 100px;
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 5.5rem);
    line-height: 0.95;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.highlight-text {
    background: linear-gradient(90deg, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 480px;
    margin-bottom: 3rem;
    font-weight: 300;
}

.hero-subtitle strong {
    color: var(--text-primary);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--text-primary);
    color: var(--bg-dark);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    padding: 1rem 0;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
}

/* Hero Visual Composición de 2 Hornos (Impactantes) */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.oven-composition {
    width: 100%;
    height: auto;
    min-height: 400px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
}

/* En desktop: ambos hornos visibles, swiper deshabilitado */
@media (min-width: 769px) {
    .oven-carousel {
        flex-direction: row !important;
    }

    .swiper-wrapper {
        display: flex;
        flex-direction: row;
    }

    .oven-slide {
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .oven-card-content {
        display: none;
    }

    .oven-pagination {
        display: none;
    }

    .oven-wrapper {
        position: relative;
        width: 75%;
        max-width: 800px;
        display: flex;
        justify-content: center;
        align-items: center;
        transition: transform 0.1s ease-out, filter 0.1s ease-out;
        transform-style: preserve-3d;
        filter: drop-shadow(0 40px 50px rgba(0, 0, 0, 0.8));
    }

    /* Desktop: mostrar la versión hover de las fichas técnicas */
    .oven-hover-group {
        position: absolute;
        bottom: -60px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
        opacity: 0;
        transform: translateY(20px);
        pointer-events: none;
        transition: var(--transition-smooth);
    }

    @media (hover: hover) and (pointer: fine) {
        .oven-wrapper:hover .oven-hover-group {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
    }
}

/* === OVEN CAROUSEL (Mobile) === */
@media (max-width: 768px) {
    /* CRITICAL: hero padding eats the viewport on mobile and shifts content. */
    .hero {
        padding: 0 1rem !important;
    }

    .hero-container {
        padding: 0 !important;
        gap: 2rem !important;
        margin-top: 2rem !important;
    }

    .hero-visual {
        max-width: 100% !important;
        margin: 0 !important;
        width: 100% !important;
    }

    .oven-composition {
        min-height: auto;
        height: auto;
        width: 100%;
        display: block;
    }

    .oven-carousel {
        height: auto;
        padding: 1rem 0;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }

    .swiper-wrapper {
        align-items: stretch;
    }

    .swiper-slide {
        height: auto !important;
        overflow: visible !important;
        width: 100% !important;
        display: flex;
        justify-content: center;
    }

    .oven-slide {
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        width: 100%;
        padding: 0 0.5rem;
        box-sizing: border-box;
    }

    .oven-wrapper,
    .rosella-wrapper,
    .arianna-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        transform: none !important;
        opacity: 1 !important;
        flex: 0 0 auto !important;
        height: auto !important;
    }

    .hero-oven-img {
        width: 100%;
        max-width: 380px;
        height: auto;
    }

    /* Card content: acciones bajo la imagen */
    .oven-card-content {
        width: 100%;
        text-align: center;
        margin-top: 1.5rem;
    }

    .oven-name {
        font-size: 1rem;
        font-weight: 700;
        color: var(--text-dark-primary);
        margin-bottom: 0.3rem;
        display: block;
        letter-spacing: 2px;
    }

    .oven-model-desc {
        font-size: 0.8rem;
        color: var(--text-dark-secondary);
        margin-bottom: 1.2rem;
        font-style: italic;
    }

    .oven-card-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.8rem;
        width: 100%;
    }

    .btn-oven-action {
        padding: 0.75rem 1rem;
        border: none;
        border-radius: 8px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s ease;
        font-size: 0.9rem;
    }

    .btn-ficha {
        background: linear-gradient(135deg, var(--accent-primary), #ff6b35);
        color: white;
    }

    .btn-ficha:active {
        transform: scale(0.95);
        opacity: 0.85;
    }

    .btn-ar {
        background: linear-gradient(135deg, #667eea, #764ba2);
        color: white;
    }

    .btn-ar:active {
        transform: scale(0.95);
        opacity: 0.85;
    }

    /* Pagination dots */
    .oven-pagination {
        position: relative;
        bottom: 0 !important;
        margin-top: 1.5rem;
    }

    .swiper-pagination-bullet {
        background: rgba(255, 255, 255, 0.3);
        opacity: 1;
        transition: all 0.3s ease;
    }

    .swiper-pagination-bullet-active {
        background: var(--accent-primary);
        width: 24px;
        border-radius: 10px;
    }

    /* Bug 4: Tech table horizontal scroll on mobile */
    .tech-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }

    .tech-table {
        min-width: 520px;
    }

    /* Bug 5: Recipe filter buttons horizontal scroll */
    .filters {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.5rem;
        scrollbar-width: none;
    }

    .filters::-webkit-scrollbar {
        display: none;
    }

    .filters .filter-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }

    .filter-container > div {
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.5rem;
        scrollbar-width: none;
    }

    .filter-container > div::-webkit-scrollbar {
        display: none;
    }

    .filter-container .filter-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }

}

.oven-wrapper {
    position: relative;
    width: 75%;
    /* Escalado intensivo */
    max-width: 800px;
    /* Que los hornos puedan estirarse */
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.1s ease-out, filter 0.1s ease-out;
    transform-style: preserve-3d;
    filter: drop-shadow(0 40px 50px rgba(0, 0, 0, 0.8));
}

.hero-oven-img {
    width: 100%;
    filter: drop-shadow(0 40px 50px rgba(0, 0, 0, 0.8));
    transition: filter 0.1s ease-out;
}

.oven-hover-group {
    position: absolute;
    bottom: -60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    pointer-events: none;
    /* Permite hover sobre hornos subyacentes */
}

.oven-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: #ffffff;
    /* Textos en blanco para no abrumar como el rojo */
    text-transform: uppercase;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.9);
}

.btn-download {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #ffffff;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    transition: var(--transition-smooth);
    text-transform: uppercase;
}

.btn-download:hover {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

.rosella-wrapper {
    margin-right: -12%;
    z-index: 1;
    opacity: 0.85;
    transform: scale(0.95);
}

.arianna-wrapper {
    margin-left: -12%;
    z-index: 2;
    transform: scale(1.1);
}

/* Efectos al pasar el cursor (Micro-animaciones de la agencia).
   Solo en dispositivos con puntero fino: en táctiles el "sticky hover"
   reactivaba las escalas y volvía a solapar los hornos apilados. */
@media (hover: hover) and (pointer: fine) {
    .rosella-wrapper:hover {
        opacity: 1;
        transform: translateY(-20px) scale(1.05);
        /* Sube y crece con gran impacto */
        z-index: 3;
    }

    .arianna-wrapper:hover {
        transform: translateY(-20px) scale(1.2);
        /* Sube y crece más al ya estar grande */
        z-index: 3;
    }

    /* Mostrar nombre y boton elegantemente, reactivando los links */
    .oven-wrapper:hover .oven-hover-group {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
        /* Permite hacer clic en el boton */
    }
}

/* === SECTION: LIFESTYLE GALLERY === */
.section-lifestyle {
    padding: 8rem 4rem;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d0d 50%, var(--bg-dark) 100%);
}

.lifestyle-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--text-secondary);
    text-transform: uppercase;
    display: block;
    margin-bottom: 1.5rem;
}

.lifestyle-header .section-title {
    font-size: 3.5rem;
    color: #fff;
}

.lifestyle-header .section-title em {
    font-style: italic;
    background: linear-gradient(90deg, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Mosaico Asimétrico (Estilo Editorial Phaidon) */
.lifestyle-mosaic {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    grid-template-rows: 320px 320px;
    gap: 1.2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.mosaic-item {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
}

.mosaic-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
    filter: brightness(0.75) contrast(1.1);
}

.mosaic-item:hover .mosaic-img {
    transform: scale(1.06);
    filter: brightness(0.9) contrast(1.05);
}

/* Captions flotantes */
.mosaic-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.8rem;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.mosaic-item:hover .mosaic-caption {
    transform: translateY(0);
    opacity: 1;
}

.caption-tag {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--accent-red);
    text-transform: uppercase;
}

.caption-text {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 300;
    color: #fff;
}

/* Grid placement de cada imagen */
.mosaic-large {
    grid-column: 1;
    grid-row: 1;
}

.mosaic-tall {
    grid-column: 2;
    grid-row: 1 / 3;
    /* Ocupa las 2 filas */
}

.mosaic-wide {
    grid-column: 1;
    grid-row: 2;
}

.mosaic-square {
    display: none;
    /* La cuarta imagen se activa en layouts más anchos */
}

/* En pantallas ultra-anchas, mosaico de 3 columnas con la 4ta imagen */
@media (min-width: 1200px) {
    .lifestyle-mosaic {
        grid-template-columns: 1.4fr 1fr 0.8fr;
        grid-template-rows: 320px 320px;
    }

    .mosaic-large {
        grid-column: 1;
        grid-row: 1;
    }

    .mosaic-tall {
        grid-column: 2;
        grid-row: 1 / 3;
    }

    .mosaic-wide {
        grid-column: 1;
        grid-row: 2;
    }

    .mosaic-square {
        display: block;
        grid-column: 3;
        grid-row: 1 / 3;
    }
}

/* === SECTION: MODERNIST / MACRO VIEW === */
.section-modernist {
    padding: var(--section-pad) 4rem;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-surface) 100%);
}

@media (max-width: 768px) {
    .section-modernist { padding-left: 1.5rem; padding-right: 1.5rem; }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.qr-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.qr-card {
    background: var(--bg-surface-light);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.qr-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.icon-box {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.qr-card h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.qr-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* image treatment */
.image-wrapper {
    position: relative;
    width: 100%;
}

.with-border::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 0;
}

.macro-image {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
    filter: grayscale(20%) contrast(110%);
}

/* === SECTION: READING LAYOUT === */
.section-reading {
    background: #e9e9e9;
    /* Light mode for reading! */
    color: #111;
    padding: 8rem 0;
}

.reading-container {
    max-width: 800px;
    margin: 0 auto;
}

.reading-header {
    text-align: center;
    margin-bottom: 4rem;
}

.reading-header h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--accent-red);
    margin-bottom: 1rem;
}

.reading-title {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.lead-paragraph {
    font-size: 1.4rem;
    font-family: var(--font-heading);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* === ANIMATIONS & UTILITIES === */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}



/* === SECTION: INTERACTIVE READER LAYOUT === */
.section-reader {
    background: var(--book-bg);
    color: var(--book-text);
    min-height: 100vh;
    min-height: 100svh;
    padding-top: 8rem;
}

.reader-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 5rem;
    padding: 0 4rem;
}

@media (max-width: 1100px) {
    .reader-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1.5rem;
    }
}

/* Sidebar TOC (Índice) — solo escritorio; en ≤1100px se oculta y lo
   reemplaza el drawer móvil (ver "MOBILE BOOK NAVIGATION"). */
.reader-sidebar {
    position: sticky;
    top: 100px;
    height: calc(100svh - 120px);
    overflow-y: auto;
    border-right: 1px solid var(--book-rule);
    padding-right: 2rem;
}

.toc-title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    color: var(--book-accent);
    letter-spacing: 2px;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.toc-group-label {
    font-weight: 700;
    font-size: var(--text-xs);
    color: var(--book-text-2);
    letter-spacing: 1px;
    margin-top: 2rem;
    margin-bottom: 0.8rem;
    border-bottom: 1px solid var(--book-rule);
    padding-bottom: 0.5rem;
}

.toc-list {
    list-style: none;
}

.toc-link {
    background: none;
    border: none;
    color: var(--book-text-2);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 500;
    text-align: left;
    padding: 0.5rem 0 0.5rem 0.5rem;
    width: 100%;
    cursor: pointer;
    transition: var(--transition-smooth);
    border-left: 2px solid transparent;
}

.toc-link:hover {
    color: var(--book-accent);
    transform: translateX(8px);
}

.toc-link.active {
    color: var(--book-text);
    font-weight: 800;
    border-left: 3px solid var(--book-accent);
    padding-left: 0.8rem;
}

/* Reader Content */
.reader-content {
    max-width: 800px;
    /* Ancho máximo para legibilidad óptima */
    padding-bottom: 6rem;
    /* Evita el "grid blowout": un hijo ancho (tabla, código) estiraba la
       columna 1fr más allá del viewport y el texto se recortaba en móvil. */
    min-width: 0;
    overflow-wrap: break-word;
}

.chapter-part {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    color: #FFF;
    background: var(--book-accent);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.chapter-title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 2rem;
    color: var(--book-text);
}

.chapter-intro {
    font-size: var(--text-lg);
    font-weight: 400;
    line-height: 1.6;
    color: var(--book-text-2);
    margin-bottom: 3.5rem;
    border-bottom: 2px solid var(--book-rule);
    padding-bottom: 3.5rem;
}

.chapter-body h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin: 3.5rem 0 1.5rem 0;
    color: var(--book-text);
    border-left: 3px solid var(--book-accent);
    padding-left: 1rem;
}

.chapter-body p {
    font-size: var(--text-md);
    margin-bottom: 1.8rem;
    line-height: 1.85;
    color: var(--book-text);
}

/* Tablas Técnicas (Technical Blueprints) */
.tech-table-wrapper {
    overflow-x: auto;
    margin: 3rem 0;
    background: var(--book-rule);
    border-radius: 8px;
    padding: 1px;
    /* Para el borde */
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--book-surface);
    border-radius: 8px;
    overflow: hidden;
}

.tech-table th {
    background: var(--book-accent);
    color: #FFF;
    text-align: left;
    padding: 1.2rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    text-transform: uppercase;
}

.tech-table td {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--book-rule);
    font-size: var(--text-base);
    color: var(--book-text);
}

.highlight-row {
    background: rgba(139, 31, 18, 0.05); /* Transparente book-accent */
}

.highlight-row td {
    font-weight: 600;
}

/* Alertas Culinarias/Técnicas */
.alert-box {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    border-left: 4px solid;
    background: var(--book-surface);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    border-radius: 4px;
    margin: 2.5rem 0;
    color: var(--book-text);
}

/* =============================================
   BLOQUES DE TEORÍA (EL RINCÓN DEL INGENIERO)
============================================= */
.theory-box {
    background: rgba(59, 130, 246, 0.05);
    border-left: 4px solid #3b82f6;
    padding: 2.2rem;
    margin: 3.5rem 0;
    border-radius: 0 8px 8px 0;
    position: relative;
    overflow: hidden;
}

.theory-box::before {
    content: 'Nu';
    position: absolute;
    right: -10px;
    bottom: -10px;
    font-size: 5rem;
    font-weight: 900;
    color: rgba(59, 130, 246, 0.03);
    font-family: var(--font-heading);
}

.theory-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 800;
    color: #3b82f6;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.theory-content {
    font-size: 1.05rem;
    color: #1c1c1c;
    line-height: 1.8;
}

.theory-content strong {
    color: #000;
}

.theory-formula {
    background: rgba(0,0,0,0.03);
    padding: 1.5rem;
    border-radius: 6px;
    margin: 1.5rem 0;
    font-family: 'Outfit', monospace;
    color: #3b82f6;
    text-align: center;
    font-size: 1.3rem;
    font-weight: 700;
}

.go-compatibility-note {
    font-size: 0.9rem;
    color: #666;
    border: 1px dashed rgba(0,0,0,0.1);
    padding: 1.2rem;
    margin-top: 1.5rem;
    background: rgba(0,0,0,0.02);
    border-radius: 6px;
    font-style: italic;
}

.alert-box.critical {
    border-left-color: var(--accent-red);
}

.alert-box.info {
    border-left-color: #3b82f6;
}

.alert-icon {
    font-size: 1.8rem;
}

.tech-list {
    margin: 2rem 0;
    padding-left: 2rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #1a1a1a;
    font-weight: 450;
}

.tech-list li {
    margin-bottom: 1rem;
    color: #111;
}

/* Nota de contenido IA — sutil y discreta */
.ai-footnote {
    font-size: 0.7rem;
    color: #aaa;
    margin-top: 0.4rem;
    text-align: center;
    letter-spacing: 0.3px;
    font-style: italic;
}

/* Galería de Paneles de Control */
.panel-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.panel-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.02);
    transition: var(--transition-smooth);
    position: relative;
}

.panel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    z-index: 10;
}

.panel-img {
    width: 100%;
    max-height: 250px;
    object-fit: contain;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.1));
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.4s ease;
    cursor: zoom-in;
    transform-origin: center center;
}

.panel-card:hover .panel-img {
    transform: scale(2.4);
    z-index: 50;
    position: relative;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.panel-label {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.highlight-card {
    border: 2px solid var(--accent-red);
    background: rgba(218, 41, 28, 0.02);
}

.highlight-card .panel-label {
    color: var(--accent-red);
}

/* === RECETARIO CARDS (PARTE V) === */
.recipe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin: 4rem 0;
}

.recipe-card {
    background: var(--bg-dark);
    /* Card Oscura imponente contra el fondo blanco del layout */
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.recipe-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    border-color: var(--text-primary);
}

.recipe-img-wrapper {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.recipe-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.8s ease-out;
}

.recipe-card:hover .recipe-img {
    transform: scale(1.08);
    /* Suave zoom Premium */
}

.recipe-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
}

.recipe-badge {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 0.5rem 1rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.recipe-content {
    padding: 2.5rem 2rem;
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.recipe-content h3 {
    margin-top: 0;
    color: #fff;
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    line-height: 1.2;
}

.recipe-desc {
    color: #b0b0b0;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.recipe-tech-specs {
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    flex-grow: 1;
}

.spec-row {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem 1.2rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent-red);
    transition: var(--transition-smooth);
}

.spec-row:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

.spec-icon {
    font-size: 1.3rem;
    opacity: 0.8;
}

.spec-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: #fff;
    letter-spacing: 0.5px;
}

/* === ALERT BOXES (Capítulos interactivos) === */
.alert-box {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.5rem 2rem;
    border-radius: 8px;
    margin: 2rem 0;
    font-family: var(--font-body);
    line-height: 1.7;
}

.alert-box.critical {
    background: rgba(218, 41, 28, 0.08);
    border-left: 3px solid var(--accent-red);
}

.alert-box.info {
    background: rgba(59, 130, 246, 0.08);
    border-left: 3px solid #3b82f6;
}

.alert-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-box ul {
    margin: 0.5rem 0 0 1rem;
    padding: 0;
}

.alert-box li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* === TECH TABLES (Capítulos interactivos) === */
.tech-table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: var(--bg-surface-light);
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-body);
    font-size: 0.9rem;
    background: transparent;
}

.tech-table thead {
    background: rgba(255, 255, 255, 0.04);
}

.tech-table th {
    padding: 1rem 1.2rem;
    text-align: left;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.tech-table td {
    padding: 1rem 1.2rem;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    line-height: 1.6;
}

.tech-table td strong {
    color: var(--accent-red);
}

/* === FOOTER LEGAL === */
.legal-footer {
    background: #030303;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-edition {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin: 0;
}

.footer-legal-text {
    max-width: 500px;
    text-align: center;
}

.footer-legal-text p {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0.3rem 0;
}

.footer-isbn {
    opacity: 0.5;
    margin-top: 0.8rem !important;
}

.footer-seal {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.seal-icon {
    font-size: 2rem;
}

.seal-text {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-red);
}

/* =============================================================
   RECETAS DINÁMICAS — Filtro + Tarjetas
   (variables --accent-steam* / --accent-dry-bg / --accent-neutral-bg
    definidas en brand-tokens.css)
   ============================================================= */

/* --- Barra de filtro por modelo --- */
.model-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    padding: 1.1rem 1.4rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px;
}

.filter-label {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-secondary);
    text-transform: uppercase;
    white-space: nowrap;
}

.filter-hint {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-left: auto;
    opacity: 0.5;
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
}

.model-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.45rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.model-btn:hover {
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.model-btn.active {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: #fff;
    box-shadow: 0 0 14px rgba(218, 41, 28, 0.3);
}

/* --- Grid dinámico --- */
.recipe-grid-dynamic {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: 2rem;
    min-height: 100px;
}

.recipe-grid-dynamic.empty-state::after {
    content: 'Ninguna receta disponible para los modelos seleccionados.';
    color: var(--text-secondary);
    font-size: 0.9rem;
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 0;
    opacity: 0.6;
}

/* --- Tarjeta de receta --- */
.rc-card {
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.rc-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.13);
}

.rc-img-wrap {
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    background: #0d0d0d;
}

.rc-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.8s ease-out;
    display: block;
}

.rc-card:hover .rc-img-wrap img {
    transform: scale(1.06);
}

.rc-model-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    font-family: var(--font-heading);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
}

.rc-body {
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.rc-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.4rem;
}

.rc-emoji {
    font-size: 1.5rem;
    flex-shrink: 0;
    line-height: 1.3;
}

.rc-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
}

.rc-subtitle {
    font-size: 0.76rem;
    color: var(--text-secondary);
    margin-bottom: 1.3rem;
    line-height: 1.5;
}

/* --- Filas de parámetros --- */
.rc-steps {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    flex-grow: 1;
}

.rc-step-divider {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.5rem 0 0.2rem;
    font-family: var(--font-heading);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    color: rgba(255, 255, 255, 0.18);
    text-transform: uppercase;
}

.rc-step-divider::before,
.rc-step-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.07);
}

.rc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem 1.2rem;
    border-radius: 8px;
    background: var(--accent-neutral-bg);
    border-left: 3px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.rc-row:hover {
    background: var(--tool-border);
}

.rc-row-label {
    font-size: 0.76rem;
    color: #777;
    font-weight: 500;
    white-space: nowrap;
    margin-right: 0.5rem;
}

.rc-row-value {
    font-family: var(--font-heading);
    font-size: 0.76rem;
    font-weight: 700;
    color: #fff;
    text-align: right;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.rc-row-fan {
    font-size: 0.68rem;
    color: #555;
    font-weight: 500;
}

/* Precalentamiento — borde blanco sutil */
.rc-row--preheat {
    border-left-color: rgba(255, 255, 255, 0.18);
}

.rc-row--preheat .rc-row-label {
    color: rgba(255, 255, 255, 0.45);
    font-weight: 600;
}

/* STEAM = AZUL */
.rc-row--steam {
    background: var(--steam-bg);
    border-left-color: var(--steam-color);
}
.rc-row--steam .rc-row-label { color: var(--steam-color); }

/* EXTRACCIÓN activa = ROJO */
.rc-row--dry-active {
    background: var(--dry-bg);
    border-left-color: var(--dry-color);
}
.rc-row--dry-active .rc-row-label { color: var(--dry-color); }

/* Seco pasivo — borde muy sutil */
.rc-row--dry-passive {
    border-left-color: var(--tool-border);
}

/* --- Chips de modo --- */
.rc-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    font-family: var(--font-heading);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    padding: 2px 7px;
    border-radius: 10px;
}

.rc-chip--steam {
    background: rgba(59, 130, 246, 0.18);
    color: var(--accent-steam);
}

.rc-chip--dry-active {
    background: rgba(218, 41, 28, 0.18);
    color: var(--accent-red);
}

.rc-chip--dry-passive {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.38);
    font-weight: 500;
}

/* --- Banner GO (sin STEAM/DRY) --- */
.rc-go-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.71rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 0.55rem 0.85rem;
    margin-top: 0.9rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .model-filter-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .filter-hint {
        margin-left: 0;
    }

    .recipe-grid-dynamic {
        grid-template-columns: 1fr;
    }
}

/* =============================================================
   CONFIGURADOR DE PROGRAMAS — .cfg-*
   ============================================================= */

.cfg-wizard {
    min-height: 450px;
    position: relative;
    overflow: hidden;
    width: 100%;
    background: var(--tool-surface);
    border: 1px solid var(--tool-glow);
    box-shadow: 0 0 60px rgba(218, 41, 28, 0.06);
    border-radius: 16px;
}

@keyframes cfgSlideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes cfgSlideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.cfg-animate-forward {
    animation: cfgSlideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.cfg-animate-backward {
    animation: cfgSlideInLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Stepper UI */
.step-pill {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-family: var(--font-heading);
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-pill.active {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: #fff;
    box-shadow: 0 0 20px rgba(218, 41, 28, 0.4);
    transform: scale(1.1);
}

.step-pill.completed {
    background: rgba(72, 187, 120, 0.2);
    border-color: #48bb78;
    color: #48bb78;
}

.step-line {
    width: 20px;
    height: 1px;
    background: rgba(255,255,255,0.08);
}

/* Step header inside content */
.cfg-step-header {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: rgba(218, 41, 28, 0.05);
    border-bottom: 1px solid var(--tool-glow);
    border-radius: 16px 16px 0 0;
}

.cfg-step-label {
    font-size: var(--text-sm);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--tool-accent);
    margin-bottom: 0.4rem;
}

.cfg-step-title {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: #fff;
    margin: 0;
}

/* Category grid — Step 1 */
.cfg-cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.cfg-cat-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--tool-border);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    transition: border-color 0.2s, background 0.2s, transform 0.15s, box-shadow 0.2s;
    text-align: center;
}

.cfg-cat-card:hover {
    border: 2px solid var(--tool-accent);
    background: rgba(218,41,28,0.08);
    transform: translateY(-2px);
    box-shadow: 0 0 15px var(--tool-glow);
}

.cfg-cat-emoji  { font-size: 2.5rem; margin-bottom: 0.5rem; }
.cfg-cat-label  { font-family: var(--font-heading); font-size: var(--text-sm); color: #fff; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.cfg-cat-desc   { font-size: var(--text-xs); color: var(--text-dark-secondary); line-height: 1.3; }

/* Product grid — Step 2 */
.cfg-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.cfg-product-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--tool-border);
    border-radius: 10px;
    padding: 1rem 1.2rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.cfg-product-card:hover {
    border-color: var(--tool-accent);
    background: rgba(218,41,28,0.05);
}

.cfg-product-card.selected { 
    border-color: var(--tool-accent);
    background: rgba(218,41,28,0.15);
    box-shadow: 0 0 0 2px rgba(218,41,28,0.4); 
}

.cfg-product-emoji    { font-size: 1.4rem; margin-bottom: 0.2rem; }
.cfg-product-title    { font-family: var(--font-heading); font-size: var(--text-base); color: #fff; font-weight: 600; line-height: 1.3; }
.cfg-product-subtitle { font-size: var(--text-xs); color: var(--text-dark-secondary); line-height: 1.3; }

/* Weight buttons */
.cfg-weight-section { margin-bottom: 1.5rem; }

.cfg-section-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}

.cfg-weight-group,
.cfg-finish-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cfg-weight-btn,
.cfg-finish-btn {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--tool-border);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    color: #ccc;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.cfg-weight-btn:hover,
.cfg-finish-btn:hover {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

.cfg-weight-btn.selected,
.cfg-finish-btn.selected {
    border-color: var(--tool-accent);
    background: rgba(218,41,28,0.15);
    color: #fff;
}

/* Navigation buttons */
.cfg-back-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.82rem;
    cursor: pointer;
    padding: 0;
    margin-bottom: 0.8rem;
    transition: color 0.2s;
}

.cfg-back-btn:hover { color: #fff; }

.cfg-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.cfg-next-btn {
    background: var(--accent);
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}

.cfg-next-btn:hover {
    background: #c0241a;
    transform: translateY(-1px);
}

/* Result panel */
.cfg-result-header {
    margin: -1.5rem -1.5rem 2rem -1.5rem;
    padding: 2rem 1.5rem 1.5rem 1.5rem;
    background: linear-gradient(180deg, rgba(218, 41, 28, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid var(--tool-border);
}

.cfg-result-title {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cfg-result-emoji { font-size: 3rem; flex-shrink: 0; }

.cfg-result-title h2 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: #fff;
    margin: 0 0 0.25rem;
    letter-spacing: -1px;
}

.cfg-result-params {
    font-size: var(--text-sm);
    color: var(--text-dark-secondary);
    margin: 0;
    display: none; /* Ocultamos el texto estático */
}

/* Quick Edit Bar */
.cfg-quick-edit {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
}

.cfg-edit-pill {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
    min-width: 140px;
}

.cfg-edit-pill label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-weight: 700;
}

.cfg-select {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    color: #fff;
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    width: 100%;
    transition: border-color 0.2s;
}

.cfg-select:focus {
    border-color: var(--accent);
}

.cfg-select option {
    background: #111;
    color: #fff;
}


/* Model tabs */
.cfg-tabs {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.cfg-tab {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px 8px 0 0;
    padding: 0.5rem 1.25rem;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.cfg-tab:hover   { color: #fff; }
.cfg-tab.active  {
    background: rgba(218,41,28,0.15);
    border-color: var(--accent);
    color: #fff;
}

/* Panels */
.cfg-panels {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 0 8px 8px 8px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.cfg-panel { display: none; }
.cfg-panel.active { display: block; }

/* Prep note */
.cfg-prep {
    margin-top: 1rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 0.75rem;
    line-height: 1.5;
}

/* Tips */
.cfg-tips {
    background: rgba(255,255,255,0.03);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    padding: 0.85rem 1.1rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.cfg-tips ul { margin: 0.4rem 0 0; padding-left: 1.2rem; }
.cfg-tips li { margin-bottom: 0.3rem; }

/* Result actions */
.cfg-actions--result {
    justify-content: flex-start;
    gap: 0.75rem;
}

.cfg-print-btn {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    padding: 0.65rem 1.25rem;
    color: #ccc;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.cfg-print-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }

.cfg-reset-btn {
    background: var(--accent);
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.25rem;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.cfg-reset-btn:hover { background: #c0241a; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .cfg-quick-edit { flex-direction: column; gap: 1rem; }
    .cfg-edit-pill { width: 100%; min-width: 0; }
}

@media (max-width: 600px) {
    .cfg-cat-grid     { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .cfg-product-grid { grid-template-columns: 1fr; }
    /* Tabs de modelo: barra deslizable horizontal en vez de fuente diminuta. */
    .cfg-tabs {
        gap: 0.4rem;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 2px;
    }
    .cfg-tabs::-webkit-scrollbar { display: none; }
    .cfg-tab {
        flex: 0 0 auto;
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
        min-height: 44px;
    }
    .cfg-actions--result { flex-direction: column; gap: 1rem; }
    .cfg-print-btn,
    .cfg-reset-btn    { width: 100%; text-align: center; min-height: 48px; }
    .cfg-wizard       { padding: 1rem 0.5rem !important; }
}

/* === TRAY CATALOG (Catálogo de Bandejas) === */
.tray-catalog {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tray-card {
    background: var(--bg-surface-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tray-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-red);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.tray-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-red);
}

.tray-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.tray-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Tray Modal */
.tray-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.tray-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.tray-modal {
    background: var(--bg-surface);
    width: 95%;
    max-width: 750px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2.5rem;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.tray-modal::-webkit-scrollbar {
    width: 6px;
}
.tray-modal::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
}


.tray-modal-overlay.active .tray-modal {
    transform: scale(1);
}

.tray-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.tray-close:hover {
    color: var(--accent-red);
}

.tray-modal-content h3 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
}

.tray-modal-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tray-modal-content strong {
    color: var(--text-primary);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: #25D366; /* WhatsApp Green */
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.3s;
    width: 100%;
    margin-top: 1rem;
}

.btn-whatsapp:hover {
    background: #128C7E;
}

.whatsapp-disclaimer {
    font-size: 0.75rem;
    color: #666;
    text-align: center;
    margin-top: 0.5rem;
    display: block;
}

/* Tray Item List */
.tray-item {
    display: flex;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.tray-item-img {
    width: 140px;
    height: 100px;
    object-fit: cover;
    border-radius: 6px;
    background: #000;
    border: 1px solid rgba(255,255,255,0.1);
}

.tray-item-info {
    flex: 1;
}

.tray-item-info h5 {
    font-family: var(--font-heading);
    color: var(--accent-red);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.tray-item-info p {
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.tray-item-info .btn-whatsapp {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    margin-top: 0;
}

@media (max-width: 600px) {
    .tray-item {
        flex-direction: column;
        text-align: center;
    }
    .tray-item-img {
        width: 100%;
        height: 150px;
    }
}

/* =============================================
   MOBILE RESPONSIVENESS (DOMINA TU UNOX)
   ============================================= */

@media (max-width: 1100px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        margin: 0 auto 3rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 992px) {
    /* Menú móvil: única implementación en "MOBILE NAVIGATION & BURGER".
       Sidebar del lector: se oculta y lo reemplaza el drawer (más abajo). */
    .reader-container {
        grid-template-columns: 1fr;
        padding: 0 1.5rem;
    }

    .chapter-title {
        font-size: 2.2rem;
    }

    .split-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .lifestyle-mosaic {
        grid-template-columns: 1fr;
    }

    .mosaic-tall, .mosaic-square, .mosaic-large, .mosaic-wide {
        grid-column: 1 / -1 !important;
        grid-row: auto !important;
        height: 300px;
    }

    .recipe-grid-dynamic {
        grid-template-columns: 1fr;
    }

    .cfg-quick-edit {
        flex-direction: column;
    }

    /* Reader content adjustments */
    .reader-content {
        padding: 0 1rem 4rem 1rem;
        max-width: 100%;
    }

    .chapter-title {
        font-size: var(--text-2xl);
    }

    .chapter-header {
        padding: 1.5rem 0;
    }

    .book-quote {
        padding: 1rem;
    }

    .callout {
        padding: 1rem;
    }

    /* Tables - prevent horizontal overflow */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Images - full width */
    img {
        max-width: 100%;
        height: auto;
    }
}

/* =============================================
   PRINT STYLES
   ============================================= */
/* Print Summary hidden by default */
.cfg-print-summary {
    display: none;
}

@media print {
    body > *:not(#configurador) {
        display: none !important;
    }
    .navbar, .burger, .hero, .section-lifestyle, .section-reader, .section-modernist:not(#configurador), .legal-footer {
        display: none !important;
    }
    #configurador {
        position: relative;
        padding: 0 !important;
        background: white !important;
        color: black !important;
    }
    .cfg-print-summary {
        display: block !important;
        margin-top: 1rem;
        margin-bottom: 2rem;
        padding-bottom: 1rem;
        border-bottom: 2px solid #000;
    }
    .print-meta-item {
        font-family: var(--font-body);
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
        color: #000;
    }
    #configurador .section-label-block, #configurador .cfg-actions, #configurador .cfg-back-btn, #configurador .cfg-quick-edit, #configurador .cfg-tabs {
        display: none !important;
    }
    #configurador .cfg-wizard, #configurador .cfg-panels, #configurador .cfg-panel.active {
        display: block !important;
        border: none !important;
    }
    .rc-row {
        border: 1px solid #ddd !important;
        background: #fff !important;
        color: #000 !important;
        page-break-inside: avoid;
    }
    .rc-row-value, .rc-title, .cfg-result-title h2, .rc-row-label {
        color: #000 !important;
    }
    .rc-chip {
        border: 1px solid #000 !important;
        color: #000 !important;
        background: transparent !important;
    }
}

/* =============================================
   MOBILE NAVIGATION & BURGER (única fuente de verdad)
============================================= */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    z-index: 1100;
    /* Área táctil ≥44px (Apple HIG) sin desplazar el layout */
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    background: none;
    border: none;
}

.burger span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

.burger:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 3px;
    border-radius: 6px;
}

@media (max-width: 992px) {
    .burger { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: rgba(5, 5, 8, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
        /* Cerrado: deslizado fuera con transform (no expande el layout). */
        transform: translateX(100%);
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1050;
    }

    .nav-links.mobile-active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.4rem;
        font-weight: 700;
        padding: 0.4rem 1rem;
    }

    /* Burger Animation */
    .burger.active span:nth-child(1) { transform: rotate(-45deg) translate(-5px, 5px); }
    .burger.active span:nth-child(2) { opacity: 0; }
    .burger.active span:nth-child(3) { transform: rotate(45deg) translate(-5px, -5px); }
}

/* =============================================
   PANEL PICKER (Bake Pilot result step)
   Reemplaza los tabs planos GO/LED/TOUCH/MASTER por cards visuales.
============================================= */
.cfg-panel-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.35rem;
    min-width: 150px;
    min-height: 110px;
    padding: 0.85rem 0.95rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    color: var(--text-dark-secondary, #b9b9b9);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: transform 0.18s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    scroll-snap-align: start;
    flex: 0 0 auto;
}
.cfg-panel-card:hover {
    border-color: rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.06);
}
.cfg-panel-card.active {
    border-color: var(--accent-primary, #DA291C);
    background: linear-gradient(140deg, rgba(218,41,28,0.18), rgba(218,41,28,0.04));
    color: #fff;
    box-shadow: 0 6px 24px rgba(218,41,28,0.25), inset 0 0 0 1px rgba(218,41,28,0.4);
    transform: translateY(-2px);
}
.cfg-panel-card-icon {
    font-size: 1.4rem;
    line-height: 1;
}
.cfg-panel-card-name {
    font-family: var(--font-heading, inherit);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 1.5px;
    color: #fff;
    text-transform: uppercase;
}
.cfg-panel-card-tag {
    font-size: 0.72rem;
    line-height: 1.2;
    opacity: 0.8;
}
.cfg-panel-card-chip {
    align-self: flex-start;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.18rem 0.5rem;
    border-radius: 100px;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.85);
}
.cfg-panel-card.active .cfg-panel-card-chip {
    background: var(--accent-primary, #DA291C);
    color: #fff;
}

/* Mobile: scroll horizontal con snap */
@media (max-width: 768px) {
    .cfg-tabs {
        flex-wrap: nowrap !important;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 0.4rem;
        margin: 0 -0.5rem 1rem;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    .cfg-tabs::-webkit-scrollbar { display: none; }
    .cfg-panel-card { min-width: 145px; }
}

/* =============================================
   AR OVERLAY (model-viewer fullscreen)
============================================= */
.ar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5,5,8,0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    animation: ar-overlay-in 0.25s ease-out;
}
@keyframes ar-overlay-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.ar-close {
    position: absolute;
    top: env(safe-area-inset-top, 1rem);
    right: 1rem;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    backdrop-filter: blur(8px);
    transition: background 0.2s;
}
.ar-close:hover, .ar-close:active { background: rgba(255,255,255,0.2); }
.ar-viewer-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 1100px;
    max-height: 100%;
    display: flex;
    flex-direction: column;
}
model-viewer {
    flex: 1;
    width: 100%;
}
.ar-launch-btn {
    background: var(--accent-primary, #DA291C);
    color: #fff;
    border: none;
    border-radius: 100px;
    padding: 0.9rem 1.6rem;
    font-family: var(--font-heading, inherit);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(218,41,28,0.5);
    position: absolute;
    bottom: max(1.5rem, env(safe-area-inset-bottom, 1.5rem));
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.ar-launch-btn:active { transform: translateX(-50%) scale(0.97); }
.ar-caption {
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.75rem;
    letter-spacing: 1px;
    padding: 0.6rem 1rem;
    background: rgba(0,0,0,0.4);
    margin-bottom: env(safe-area-inset-bottom, 0);
}

/* =============================================
   SHOWCASE INMERSIVO DE BANDEJAS (DARK TECH)
============================================= */
.tray-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.tray-showcase-card {
    background: var(--bg-surface);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s ease, border-color 0.4s ease;
    display: flex;
    flex-direction: column;
}

.tray-showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border-color: var(--accent-red);
}

.tsc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem 0.5rem;
}

.tsc-badge {
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.03);
}

.tsc-ref {
    font-family: 'Outfit', monospace;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.tsc-img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    padding: 1rem 2rem;
    background: radial-gradient(circle at center, rgba(255,255,255,0.03) 0%, transparent 70%);
    transition: transform 0.6s cubic-bezier(0.16,1,0.3,1);
}

.tray-showcase-card:hover .tsc-img {
    transform: scale(1.1);
}

.tsc-body {
    padding: 1rem 1.5rem 1rem;
    flex: 1;
}

.tsc-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 0.2rem 0;
    letter-spacing: 0.5px;
}

.tsc-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0 0 1.2rem 0;
    font-style: italic;
    opacity: 0.8;
}

.tsc-metrics {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.tsc-m-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    min-width: 90px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.tsc-bar {
    flex: 1;
    height: 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    overflow: hidden;
}

.tsc-bar div {
    height: 100%;
    border-radius: 4px;
    transition: width 1s cubic-bezier(0.16,1,0.3,1);
}

/* Panel expandible */
.tsc-expand {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
    padding: 0 1.5rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.01);
}

.tsc-expand.open {
    max-height: 600px;
    padding: 1.5rem 1.5rem 1rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.tsc-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border: none;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-dim);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: background 0.3s, color 0.3s;
}

.tsc-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.tsc-arrow {
    display: inline-block;
    transition: transform 0.35s ease;
    font-size: 0.65rem;
}

.tsc-expand.open ~ .tsc-toggle .tsc-arrow {
    transform: rotate(180deg);
}

/* Heading de la sección */
.tray-section-heading {
    margin-top: 3.5rem;
    margin-bottom: 0.6rem;
}

/* ==============================================================
   5. TRANSICIONES ZONALES (Libro -> Herramienta)
   ============================================================== */

.zone-transition {
    width: 100%;
    padding: 3rem 0;
    background: linear-gradient(180deg, var(--book-bg) 0%, var(--tool-bg) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}

.editorial-strip {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    width: 80%;
    max-width: 1000px;
}

.editorial-strip .strip-label {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--tool-accent);
    text-transform: uppercase;
    white-space: nowrap;
}

.editorial-strip .strip-line {
    flex-grow: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(218, 41, 28, 0.4) 0%, transparent 100%);
}

/* ========================================================
   MOBILE BOOK NAVIGATION (Drawer + FAB)
   ======================================================== */

.book-toc-fab { display: none; }
.book-toc-overlay { display: none; }
.book-toc-drawer { display: none; }

@media (max-width: 1100px) {
    /* Oculta el sidebar editorial inline — el drawer lo reemplaza */
    .reader-sidebar { display: none; }
    .reader-container { grid-template-columns: 1fr; padding: 0 1.25rem; }

    /* FAB Índice */
    .book-toc-fab {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        position: fixed;
        bottom: 1.25rem;
        right: 1.25rem;
        z-index: 90;
        min-height: 48px;
        padding: 0.75rem 1.25rem;
        background: var(--book-accent);
        color: #fff;
        border: none;
        border-radius: 999px;
        font-family: var(--font-heading);
        font-weight: 600;
        font-size: 0.95rem;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        cursor: pointer;
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s;
    }

    .book-toc-fab[hidden] { display: none; }

    /* Overlay backdrop */
    .book-toc-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 100;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .book-toc-overlay.is-open {
        opacity: 1;
        pointer-events: auto;
    }

    /* Drawer panel */
    .book-toc-drawer {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 110;
        width: min(85vw, 360px);
        height: 100dvh;
        background: var(--book-bg);
        transform: translateX(-100%);
        transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
        box-shadow: 4px 0 32px rgba(0, 0, 0, 0.15);
        overflow: hidden;
    }

    .book-toc-drawer.is-open {
        transform: translateX(0);
    }

    /* Drawer header */
    .book-toc-drawer__header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 1rem 1.25rem;
        border-bottom: 1px solid var(--book-rule);
    }

    .book-toc-drawer__header h2 {
        font-family: var(--font-heading);
        font-size: 1.1rem;
        text-transform: uppercase;
        letter-spacing: 2px;
        color: var(--book-accent);
        margin: 0;
    }

    /* Close button */
    .book-toc-drawer__close {
        min-width: 44px;
        min-height: 44px;
        background: none;
        border: none;
        font-size: 1.75rem;
        cursor: pointer;
        color: var(--book-text);
    }

    /* Drawer nav container */
    .book-toc-drawer__nav {
        flex: 1;
        overflow-y: auto;
        padding: 1rem 1.25rem 4rem;
        -webkit-overflow-scrolling: touch;
    }

    /* Group labels inside drawer */
    .book-toc-drawer .toc-group-label {
        display: block;
        font-family: var(--font-heading);
        font-size: 0.72rem;
        letter-spacing: 1.5px;
        color: var(--book-text-3);
        text-transform: uppercase;
        margin: 1.5rem 0 0.5rem 0;
        padding-bottom: 0.4rem;
        border-bottom: 1px solid var(--book-rule);
    }

    /* TOC links inside drawer */
    .book-toc-drawer .toc-link {
        display: block;
        width: 100%;
        min-height: 48px;
        padding: 0.85rem 0.5rem;
        font-size: 1rem;
        font-weight: 500;
        color: var(--book-text);
        background: none;
        border: none;
        text-align: left;
        border-left: 3px solid transparent;
        border-radius: 0;
    }

    .book-toc-drawer .toc-link.active {
        border-left-color: var(--book-accent);
        font-weight: 700;
        background: rgba(139, 31, 18, 0.06);
    }

    /* El sidebar inline está oculto por .reader-sidebar{display:none}; el
       drawer usa estos .toc-list / .toc-link clonados, así que NO se ocultan.
       (Antes una regla .toc-list{display:none} dejaba el drawer sin enlaces.) */
}

/* =============================================================
   MOBILE POLISH — touch targets, feedback táctil, motion
   Fuente única de verdad para el estándar de interacción móvil.
   ============================================================= */

/* En dispositivos táctiles, garantizar área mínima accionable de 44px
   en los controles interactivos clave del configurador y los filtros. */
@media (hover: none) and (pointer: coarse) {
    .cfg-weight-btn,
    .cfg-finish-btn,
    .cfg-next-btn,
    .cfg-back-btn,
    .cfg-print-btn,
    .cfg-reset-btn,
    .filter-btn,
    .btn-download,
    .btn-primary,
    .btn-secondary,
    .toc-link {
        min-height: 44px;
    }

    .cfg-back-btn { padding: 0.6rem 0; }
    .btn-download { padding: 0.7rem 1.3rem; }
}

/* Feedback táctil inmediato (reemplaza el flash gris/azul por defecto). */
.btn-primary:active,
.btn-secondary:active,
.btn-download:active,
.cfg-next-btn:active,
.cfg-reset-btn:active,
.cfg-print-btn:active,
.cfg-weight-btn:active,
.cfg-finish-btn:active,
.cfg-tab:active,
.filter-btn:active,
.nav-links a:active,
.toc-link:active {
    transform: scale(0.97);
    opacity: 0.9;
}

/* Respeta la preferencia del sistema de reducir movimiento. */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .fade-in-up,
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}