:root {
    --bg: #f5f3ef;
    --ink: #1a1816;
    --muted: #8a8278;
    --line: #d8d3cc;
    --accent: #c8b89a;
    --footer-color: #ffffff;
    --brand-blue: #618499;
    --brand-dark: #2e4a58;
    --brand-light: #a9c0d8;
    --white: #ffffff;
    --overlay-start: rgba(46, 74, 88, 0);
    --overlay-end: rgba(46, 74, 88, 0.82);
    --bg: #f5f3ef;
    --text: #1a1a1a;
    --btn-bg: #1a1a1a;
    --btn-fg: #f5f3ef;
    --btn-size: 44px;
    --radius: 12px;
    --nav-height: 110px;
    --admin-bar: 0px;
    --nagui-font: 'Inter', sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--nagui-font);
    font-weight: 300;
    overflow-x: hidden;
}

/* Header */

.main-nav {
    background: #fff;
    border-bottom: none;
}

.main-nav.scrolled {
    background: #fff;
    border-bottom: none;
}

.main-nav .nav-logo-img.white {
    display: none;
    visibility: hidden;
}

.main-nav .nav-logo-img.black {
    display: flex;
}

.main-nav.scrolled .nav-logo-img.white {
    display: none;
}

.main-nav.scrolled .nav-logo-img.black {
    display: flex;
}

/* ── Reset local ── */
.pub-section *,
.pub-section *::before,
.pub-section *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Sección contenedor ── */
.pub-section {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--nagui-font);
    padding: 200px 48px 120px;
    width: 100%;
}

@media (min-width: 769px) and (max-width: 1024px) {
    .pub-section {
        padding: 150px 3rem 50px;
    }
}

/* ── Layout inner ── */
.pub-header,
.pub-block,
.pub-divider {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 40px;
    padding-right: 40px;
}

/* ── Encabezado de sección ── */
.pub-header {
    margin-bottom: 80px;
    border-left: 2px solid var(--brand-blue);
    padding-left: 28px;
}

.pub-label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--brand-blue);
    margin-bottom: 14px;
}

.pub-title {
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--brand-dark);
    margin-bottom: 20px;
}

.pub-subtitle {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--muted);
    max-width: 520px;
}

/* ── Divisor ── */
.pub-divider {
    height: 1px;
    background: var(--line);
    margin-top: 80px;
    margin-bottom: 80px;
}

/* ── Bloque de publicación ── */
.pub-block {
    margin-bottom: 0;
}

.pub-block-header {
    margin-bottom: 40px;
}

.pub-block-meta {
    margin-bottom: 10px;
}

.pub-block-tag {
    font-size: 10.5px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    border: 1px solid var(--line);
    padding: 4px 12px;
    border-radius: 2px;
}

.pub-block-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 400;
    letter-spacing: -0.015em;
    color: var(--brand-dark);
    margin-top: 16px;
    margin-bottom: 12px;
}


.pub-block-desc p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--muted);
    max-width: 600px;
    margin-bottom: 20px;
}

/* Etiquetas de números de edición */
.pub-block-numbers {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pub-num-tag {
    font-size: 11px;
    letter-spacing: 0.08em;
    font-weight: 500;
    color: var(--brand-dark);
    background: var(--white);
    border: 1px solid var(--accent);
    padding: 3px 10px;
    border-radius: 2px;
}

/* ── Grid de revistas ── */
.pub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

/* ── Tarjeta de revista ── */
.pub-card {
    cursor: pointer;
}

.pub-card-img-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    background: var(--line);
    aspect-ratio: 3 / 4;
}

.pub-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.pub-card:hover .pub-card-img {
    transform: scale(1.04);
}

.pub-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(46, 74, 88, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.pub-card:hover .pub-card-overlay {
    background: rgba(46, 74, 88, 0.35);
}

.pub-card-zoom {
    color: #fff;
    font-size: 2rem;
    font-weight: 200;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.25s ease, transform 0.25s ease;
    line-height: 1;
}

.pub-card:hover .pub-card-zoom {
    opacity: 1;
    transform: scale(1);
}

.pub-card-info {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 10px 2px 0;
}

.pub-card-brand {
    font-size: 9.5px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--brand-blue);
    font-weight: 500;
}

.pub-card-num {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.04em;
}

/* Tarjeta destacada (más ancha en grids pequeños) */
.pub-card--featured {
    grid-column: span 1;
}

/* ── Lista de libros ── */
.pub-books-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 40px;
}

.pub-book-item {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

.pub-book-cover {
    flex-shrink: 0;
    width: 110px;
    border-radius: 3px;
    overflow: hidden;
    background: var(--line);
    aspect-ratio: 3 / 4;
    box-shadow: 4px 4px 16px rgba(46, 74, 88, 0.12);
}

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

.pub-book-text {
    flex: 1;
    padding-top: 4px;
}

.pub-book-type {
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--brand-blue);
    display: block;
    margin-bottom: 8px;
}

.pub-book-title {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--brand-dark);
    line-height: 1.35;
    margin-bottom: 6px;
}

.pub-book-edition {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 12px;
    letter-spacing: 0.03em;
}

.pub-book-desc {
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--muted);
}

/* ── Lightbox ── */
.pub-lightbox-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26, 24, 22, 0.88);
    z-index: 9000;
}

.pub-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9001;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 40px;
}

.pub-lightbox.is-open,
.pub-lightbox-backdrop.is-open {
    display: flex;
}

.pub-lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 4px;
}

.pub-lightbox-caption {
    color: #ccc;
    font-size: 13px;
    margin-top: 16px;
    letter-spacing: 0.06em;
    font-family: var(--nagui-font);
}

.pub-lightbox-close {
    position: absolute;
    top: 24px;
    right: 28px;
    background: none;
    border: none;
    color: #fff;
    font-size: 2.2rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.2s;
    font-weight: 200;
}

.pub-lightbox-close:hover {
    opacity: 1;
}

/* ── Animación de entrada ── */
@keyframes pubFadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

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

.pub-card,
.pub-book-item {
    animation: pubFadeUp 0.55s ease both;
}

.pub-card:nth-child(1) {
    animation-delay: 0.05s;
}

.pub-card:nth-child(2) {
    animation-delay: 0.12s;
}

.pub-card:nth-child(3) {
    animation-delay: 0.19s;
}

.pub-card:nth-child(4) {
    animation-delay: 0.26s;
}

.pub-card:nth-child(5) {
    animation-delay: 0.33s;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .pub-section {
        padding: 160px 24px 80px;
    }

    .pub-header,
    .pub-block,
    .pub-divider {
        padding-left: 20px;
        padding-right: 20px;
    }

    .pub-header {
        margin-bottom: 48px;
    }

    .pub-divider {
        margin-top: 48px;
        margin-bottom: 48px;
    }

    .pub-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 14px;
    }

    .pub-books-list {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 480px) {
    .pub-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pub-book-item {
        flex-direction: column;
    }

    .pub-book-cover {
        width: 90px;
    }
}