/* ── Tokens ── */
:root {
    --buap-azul-oscuro: #1b357b;
    --buap-azul-claro: #386bab;
    --buap-azul-medio: #2a4a9e;
    --buap-rojo: #ef233c;
    --buap-carmesi: #9c0d1f;
    --negro: #07090c;
    --blanco: #ffffff;
    --gris-claro: #f8f9fa;
    --gris-medio: #e9ecef;
    --gris-texto: #5b6270;
    --gris-oscuro: #343a40;
    --font-display: 'Fraunces', serif;
    --font-body: 'Manrope', sans-serif;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
    --space-xxxl: 64px;
    --header-h: 72px;

    --azul-grad: linear-gradient(135deg, var(--buap-azul-oscuro) 0%, var(--buap-azul-medio) 60%, var(--buap-azul-claro) 100%);
    --azul-grad-icon: linear-gradient(140deg, var(--buap-azul-oscuro), var(--buap-azul-claro));
    --tint-0: #f0f2ff;
    --tint-1: #e7ebff;
    --tint-2: #e7f0ff;
    --tint-3: #dfe3ff;
    --focus-ring: 0 0 0 3px rgba(56, 107, 171, 0.18);
    --shadow-card: 0 12px 28px -18px rgba(27, 53, 123, 0.5);
    --shadow-float: 0 26px 60px -30px rgba(27, 53, 123, 0.45);

    --band-fg: #ffffff;
    --band-chip: #b8cefd;
    --band-muted: #bebebe;
    --band-line: rgba(255, 255, 255, 0.3);
    --rojo-hover: #d91c33;
    --ink-on-azul: #f2f9ff;
}

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

body {
    font-family: var(--font-body);
    color: var(--negro);
    background-color: var(--gris-claro);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd { margin: 0; padding: 0; }

img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── Header ── */
.header {
    background-color: var(--negro);
    color: var(--blanco);
    padding: var(--space-md) var(--space-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

.logo-buap { height: 40px; }
.logo-elementos { height: 28px; }

.header-nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--blanco);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2px;
    transition: color 0.2s;
    white-space: nowrap;
}

.nav-link:hover { color: var(--buap-azul-claro); }
.nav-link.active { color: var(--buap-azul-claro); border-bottom: 2px solid var(--buap-azul-claro); padding-bottom: 2px; }

.search-container { position: relative; }

.search-input {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: var(--blanco);
    font: inherit;
    font-size: 0.82rem;
    width: 180px;
    transition: border-color 0.2s, background 0.2s;
}

.search-input::placeholder { color: rgba(255, 255, 255, 0.55); }
.search-input:focus {
    outline: none;
    border-color: var(--buap-azul-claro);
    background: rgba(255, 255, 255, 0.18);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--blanco);
    box-shadow: 0 -6px 0 var(--blanco), 0 6px 0 var(--blanco);
}

.nav-toggle:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.mobile-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 99;
    background: var(--negro);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
}

.mobile-nav.open { max-height: 440px; }

.mobile-nav a {
    display: block;
    padding: 14px 24px;
    color: var(--blanco);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: color 0.15s, background 0.15s;
}

.mobile-nav a:hover,
.mobile-nav a.active { color: var(--buap-azul-claro); background: rgba(255, 255, 255, 0.05); }

/* ── Page banner ── */
.page-banner {
    background: var(--azul-grad);
    padding: var(--space-xxl) var(--space-lg) var(--space-xxl);
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, transparent, #000 35%, #000 70%, transparent);
}

.page-banner::after {
    content: '';
    position: absolute;
    right: -140px;
    top: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
    pointer-events: none;
}

.page-banner-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.page-banner-content.flex-end {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.page-eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: var(--space-sm);
}

.page-eyebrow.rule-before {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-eyebrow.rule-before::before {
    content: '';
    width: 26px;
    height: 2px;
    border-radius: 2px;
    background: var(--buap-rojo);
}

.page-banner h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 600;
    color: var(--blanco);
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.page-banner-lead {
    color: rgba(255, 255, 255, 0.84);
    font-size: clamp(1rem, 1.6vw, 1.16rem);
    max-width: 60ch;
    margin-top: var(--space-md);
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.hero-chip {
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: var(--blanco);
    padding: 6px 13px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: rgba(255, 255, 255, 0.68);
    margin-bottom: var(--space-lg);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.68);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover { color: var(--blanco); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb [aria-current] { color: var(--blanco); }

.banner-stat {
    text-align: right;
    flex-shrink: 0;
    padding-left: var(--space-lg);
    border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.banner-stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5vw, 3.6rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--blanco);
    font-variant-numeric: tabular-nums;
}

.banner-stat-label {
    display: block;
    margin-top: 6px;
    font-size: 0.78rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

.banner-credits {
    margin-top: var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.banner-credit {
    font-size: 0.76rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    padding: 7px 13px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.16);
    line-height: 1.35;
}

.banner-credit strong { font-weight: 700; color: var(--blanco); }

/* ── Hero carousel · editorial crossfade ── */
.slider-hero {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: clamp(420px, 33vw, 540px);
    border: 1px solid var(--gris-medio);
    box-shadow: var(--shadow-card);
    background: var(--negro);
    touch-action: pan-y;
}

.banner-featured .slider-hero {
    border-color: rgba(255, 255, 255, 0.22);
    box-shadow: var(--shadow-float);
}

.slider-hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.9s ease, visibility 0s linear 0.9s;
}

.slider-hero-slide.active {
    z-index: 2;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.9s ease, visibility 0s;
}

.slider-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.14);
    transition: transform 8s cubic-bezier(0.22, 0.61, 0.36, 1);
    will-change: transform;
}

.slider-hero-slide.active .slider-hero-bg { transform: scale(1); }

.slider-hero-slide.is-prev .slider-hero-bg,
.slider-hero-slide.is-next .slider-hero-bg {
    transform: scale(1.08);
    transition: transform 1.2s ease;
}

.slider-hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top,
            rgba(7, 9, 12, 0.94) 0%,
            rgba(7, 9, 12, 0.80) 26%,
            rgba(7, 9, 12, 0.46) 52%,
            rgba(7, 9, 12, 0.10) 76%,
            rgba(7, 9, 12, 0) 100%),
        linear-gradient(105deg,
            rgba(7, 9, 12, 0.66) 0%,
            rgba(7, 9, 12, 0.24) 44%,
            rgba(7, 9, 12, 0) 72%);
}

.slider-hero-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    padding: 0 clamp(24px, 4vw, 56px) calc(clamp(24px, 4vw, 56px) + 70px);
}

.slider-hero-content {
    max-width: 660px;
    color: var(--blanco);
    opacity: 0;
    transform: translateY(22px);
    filter: blur(5px);
    transition:
        opacity 0.8s ease 0.08s,
        transform 0.95s cubic-bezier(0.22, 1, 0.36, 1) 0.08s,
        filter 0.8s ease 0.08s;
}

.slider-hero-slide.active .slider-hero-content {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
    .slider-hero-slide,
    .slider-hero-slide.active { transition: opacity 0.4s ease, visibility 0s; }
    .slider-hero-bg,
    .slider-hero-slide.active .slider-hero-bg,
    .slider-hero-slide.is-prev .slider-hero-bg,
    .slider-hero-slide.is-next .slider-hero-bg { transform: none; transition: none; }
    .slider-hero-content,
    .slider-hero-slide.active .slider-hero-content { opacity: 1; transform: none; filter: none; transition: none; }
    .slider-hero-slide.active .slider-hero-progress::after { animation: none; }
}

.slider-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
}

.slider-hero-kicker-rule {
    width: 26px;
    height: 2px;
    border-radius: 2px;
    background: var(--buap-rojo);
}

.slider-hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3.1vw, 2.85rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.015em;
    max-width: 24ch;
    text-shadow: 0 2px 22px rgba(0, 0, 0, 0.35);
}

.slider-hero-description {
    font-size: clamp(0.95rem, 1.3vw, 1.06rem);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.86);
    margin-top: 14px;
    max-width: 56ch;
}

.slider-hero-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-top: 22px;
    padding-bottom: 4px;
    color: var(--blanco);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.92rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.45);
    transition: border-color 0.18s ease;
}

.slider-hero-link svg { width: 16px; height: 16px; transition: transform 0.2s ease; }
.slider-hero-link:hover { border-color: var(--blanco); }
.slider-hero-link:hover svg { transform: translateX(4px); }
.slider-hero-link:focus-visible { outline: 2px solid var(--blanco); outline-offset: 4px; border-radius: 3px; }

.slider-hero-progress {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 6;
    pointer-events: none;
    background: rgba(255, 255, 255, 0.12);
}

.slider-hero-progress::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--buap-rojo);
}

.slider-hero-slide.active .slider-hero-progress::after {
    animation: heroProgress 6s linear forwards;
}

.slider-hero:hover .slider-hero-progress::after,
.slider-hero:focus-within .slider-hero-progress::after { animation-play-state: paused; }

@keyframes heroProgress {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.slider-hero-bar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 clamp(24px, 4vw, 56px) clamp(16px, 2.4vw, 22px);
}

.slider-hero-bar::before {
    content: "";
    position: absolute;
    left: clamp(24px, 4vw, 56px);
    right: clamp(24px, 4vw, 56px);
    top: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.18);
}

.slider-hero-index {
    display: flex;
    align-items: center;
    gap: 2px;
}

.slider-hero-indicator {
    position: relative;
    appearance: none;
    border: 0;
    background: transparent;
    cursor: pointer;
    padding: 10px 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.2s ease;
}

.slider-hero-indicator::after {
    content: "";
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--blanco);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.slider-hero-indicator:hover { color: var(--blanco); }
.slider-hero-indicator.active { color: var(--blanco); }
.slider-hero-indicator.active::after { transform: scaleX(1); }
.slider-hero-indicator:focus-visible { outline: 2px solid var(--blanco); outline-offset: 2px; border-radius: 4px; }

.slider-hero-arrows {
    display: flex;
    align-items: center;
    gap: 8px;
}

.slider-hero-arrow {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    padding: 0;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.06);
    color: var(--blanco);
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.slider-hero-arrow svg { width: 19px; height: 19px; }
.slider-hero-arrow:hover { background: var(--blanco); color: var(--buap-azul-oscuro); border-color: var(--blanco); transform: translateY(-1px); }
.slider-hero-arrow:active { transform: translateY(0) scale(0.95); }
.slider-hero-arrow:focus-visible { outline: 2px solid var(--blanco); outline-offset: 2px; }

/* ── Layout ── */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xxl) var(--space-lg) var(--space-xxxl);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-xl);
    align-items: start;
}

.main-container.col {
    display: flex;
    flex-direction: column;
    gap: var(--space-xxl);
}

.content-col {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xxl);
}

/* ── Section headings ── */
.section-head {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.section-head h2 {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 600;
    color: var(--buap-azul-oscuro);
    letter-spacing: -0.01em;
}

.section-head .count {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--buap-azul-claro);
    background: var(--tint-1);
    border-radius: 999px;
    padding: 3px 11px;
    align-self: center;
}

.section-head .rule {
    flex: 1;
    min-width: 24px;
    height: 1px;
    background: var(--gris-medio);
}

.section-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--buap-azul-claro);
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.16s;
}

.section-link:hover { color: var(--buap-azul-oscuro); }
.section-link:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; border-radius: 4px; }
.section-link svg { width: 15px; height: 15px; }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: var(--space-md);
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--buap-azul-oscuro);
    text-decoration: none;
    width: fit-content;
    transition: gap 0.16s, color 0.16s;
}

.link-arrow svg { width: 16px; height: 16px; }
.link-arrow:hover { gap: 12px; color: var(--buap-azul-claro); }
.link-arrow:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; border-radius: 4px; }

/* ── Feature issue ── */
.feature {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: var(--space-xl);
    align-items: start;
    border: 1px solid var(--gris-medio);
    border-radius: 20px;
    background: var(--blanco);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
}

.feature-cover {
    display: block;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 1200 / 1680;
    box-shadow: var(--shadow-float);
    transition: transform 0.2s;
}

.feature-cover:hover { transform: translateY(-2px); }
.feature-cover:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; }
.feature-cover img { width: 100%; height: 100%; object-fit: cover; }

.feature-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.4vw, 1.85rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--negro);
}

.feature-meta { font-size: 0.8rem; color: var(--gris-texto); }

.feature-excerpt {
    font-size: 0.94rem;
    color: var(--gris-oscuro);
    line-height: 1.7;
    margin-top: var(--space-sm);
}

/* ── Card grids ── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: var(--space-md);
}

.article-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gris-medio);
    border-radius: 18px;
    background: var(--blanco);
    overflow: hidden;
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.article-card:hover {
    border-color: var(--buap-azul-claro);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.article-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--tint-1);
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.article-card:hover .article-thumb img { transform: scale(1.03); }

.card-body {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}

.card-tag {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--buap-azul-claro);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.04rem;
    font-weight: 600;
    line-height: 1.32;
    color: var(--negro);
}

.card-title a { color: inherit; text-decoration: none; transition: color 0.16s; }
.card-title a:hover { color: var(--buap-azul-oscuro); }
.card-title a:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; border-radius: 3px; }

.card-author { font-size: 0.76rem; color: var(--gris-texto); }
.card-excerpt { font-size: 0.85rem; color: var(--gris-oscuro); line-height: 1.6; margin-top: 2px; }

.author-cover {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    display: block;
    background: var(--tint-1);
}

.author-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.author-card:hover .author-cover img { transform: scale(1.03); }

/* ── Multimedia lab (featured dark band) ── */
.media-lab {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
    padding: clamp(22px, 3.2vw, 38px);
    background: var(--azul-grad);
    color: var(--band-fg);
    box-shadow: var(--shadow-float);
}

.media-lab::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 34px 34px;
    -webkit-mask-image: radial-gradient(120% 120% at 85% 0%, #000 0%, transparent 68%);
    mask-image: radial-gradient(120% 120% at 85% 0%, #000 0%, transparent 68%);
    pointer-events: none;
}

.media-lab > * { position: relative; z-index: 1; }

.media-lab-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-bottom: clamp(20px, 2.6vw, 30px);
}

.media-lab-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.7px;
    text-transform: uppercase;
    color: var(--band-chip);
}

.media-lab-eyebrow::before {
    content: "";
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: var(--buap-rojo);
}

.media-lab-head h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.3vw, 2.05rem);
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: -0.01em;
    color: var(--band-fg);
    margin-top: 10px;
}

.media-lab-lead {
    margin-top: 9px;
    max-width: 48ch;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--band-muted);
}

.media-lab-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    flex: none;
    padding: 9px 16px;
    border-radius: 999px;
    border: 1px solid var(--band-line);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--band-fg);
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.18s, border-color 0.18s, transform 0.18s;
}

.media-lab-link:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

.media-lab-link:focus-visible {
    outline: 2px solid var(--band-fg);
    outline-offset: 3px;
}

.media-lab-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(18px, 2.4vw, 30px);
    align-items: start;
}

.media-feature {
    display: block;
    color: inherit;
    text-decoration: none;
}

.media-feature-media {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 15px;
    overflow: hidden;
    background: var(--tint-1);
    box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.8);
}

.media-feature-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}

.media-feature:hover .media-feature-media img { transform: scale(1.045); }

.media-feature-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 42%, rgba(0, 0, 0, 0.45) 100%);
}

.media-play {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: grid;
    place-items: center;
    pointer-events: none;
}

.media-play i {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--buap-rojo);
    color: var(--band-fg);
    box-shadow: 0 14px 34px -10px rgba(0, 0, 0, 0.7);
    transition: transform 0.22s ease, background-color 0.22s ease;
}

.media-play i svg { width: 22px; height: 22px; margin-left: 3px; }

.media-feature:hover .media-play i {
    transform: scale(1.09);
    background: var(--rojo-hover);
}

.media-feature-badge {
    position: absolute;
    left: 14px;
    bottom: 14px;
    z-index: 3;
    padding: 5px 11px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--band-fg);
}

.media-feature-body { padding-top: 15px; }

.media-feature-title {
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 1.7vw, 1.4rem);
    font-weight: 600;
    line-height: 1.25;
    color: var(--band-fg);
    margin-top: 6px;
}

.media-feature:hover .media-feature-title { text-decoration: underline; text-underline-offset: 3px; }

.media-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.74rem;
    letter-spacing: 0.02em;
    color: var(--band-muted);
}

.media-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--band-muted); }

.media-tag {
    display: block;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 1.1px;
    text-transform: uppercase;
    color: var(--band-chip);
}

.media-list { display: flex; flex-direction: column; }

.media-item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 15px;
    align-items: center;
    padding-bottom: 15px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--band-line);
    color: inherit;
    text-decoration: none;
    transition: transform 0.18s ease;
}

.media-item:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }

.media-item:hover { transform: translateX(4px); }

.media-item:focus-visible {
    outline: 2px solid var(--band-fg);
    outline-offset: 4px;
    border-radius: 8px;
}

.media-item-thumb {
    display: block;
    aspect-ratio: 16 / 11;
    border-radius: 11px;
    overflow: hidden;
    background: var(--tint-1);
    position: relative;
}

.media-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.media-item:hover .media-item-thumb img { transform: scale(1.07); }

.media-item-thumb .media-duration {
    position: absolute;
    right: 6px;
    bottom: 6px;
    padding: 2px 6px;
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.68);
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--band-fg);
    letter-spacing: 0.02em;
}

.media-item-title {
    display: block;
    font-family: var(--font-display);
    font-size: 0.99rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--band-fg);
    margin: 4px 0 5px;
}

.media-item:hover .media-item-title { text-decoration: underline; text-underline-offset: 3px; }

/* ── Sidebar ── */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.sidebar-section {
    border: 1px solid var(--gris-medio);
    border-radius: 18px;
    background: var(--blanco);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
}

.sidebar-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--buap-azul-oscuro);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-md);
    border-bottom: 2px solid var(--buap-azul-oscuro);
}

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

.sidebar-item + .sidebar-item { border-top: 1px solid var(--gris-medio); }

.sidebar-link {
    display: block;
    padding: 10px 0;
    font-size: 0.88rem;
    color: var(--gris-oscuro);
    text-decoration: none;
    line-height: 1.5;
    transition: color 0.16s, padding-left 0.16s;
}

.sidebar-link:hover { color: var(--buap-azul-oscuro); padding-left: 4px; }
.sidebar-link:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.announcements-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: var(--space-md);
}

.tab {
    flex: 1;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid var(--gris-medio);
    background: var(--gris-claro);
    color: var(--gris-oscuro);
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.16s, border-color 0.16s, color 0.16s;
}

.tab:hover { border-color: var(--buap-azul-claro); color: var(--buap-azul-oscuro); }
.tab:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.tab.active {
    background: var(--buap-azul-oscuro);
    border-color: var(--buap-azul-oscuro);
    color: var(--blanco);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.author,
.author b,
b.author {
    color: var(--buap-azul-claro);
    font-weight: 600;
}

.author a,
b.author a {
    color: var(--buap-azul-claro);
    text-decoration: none;
    font-weight: 600;
}

.author a:hover,
b.author a:hover {
    color: var(--buap-azul-oscuro);
    text-decoration: underline;
}

.sidebar-cover {
    border-radius: 10px;
    box-shadow: var(--shadow-card);
    margin-bottom: var(--space-md);
}

.sidebar-issue-info {
    font-size: 0.85rem;
    color: var(--gris-oscuro);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.sidebar-list .list-group-item {
    border: 0;
    background: transparent;
    padding: 10px 12px;
    color: var(--gris-oscuro);
    border-bottom: 1px solid var(--gris-medio);
    font-size: 0.88rem;
    line-height: 1.5;
}

.sidebar-list .list-group-item:last-child { border-bottom: 0; }
.sidebar-list .list-group-item a { color: var(--buap-azul-claro); text-decoration: none; }
.sidebar-list .list-group-item a:hover { color: var(--buap-azul-oscuro); text-decoration: underline; }

.social-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--gris-medio);
    background: var(--blanco);
    color: var(--gris-oscuro);
    font-size: 1.1rem;
    text-decoration: none;
    transition: background 0.16s, color 0.16s, border-color 0.16s;
}

.social-links a:hover { background: var(--buap-azul-oscuro); color: var(--blanco); border-color: var(--buap-azul-oscuro); }
.social-links a:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.friends-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
}

.friends-row a { display: block; text-decoration: none; }
.friends-row img { max-height: 44px; opacity: 0.85; }

/* ── Footer ── */
.footer {
    background-color: var(--negro);
    color: var(--blanco);
    padding: var(--space-xxl) var(--space-lg) var(--space-lg);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--blanco);
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: var(--space-sm); }

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover { color: var(--blanco); }
.footer-links a:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.footer-cover {
    border-radius: 10px;
    box-shadow: 0 10px 24px -14px rgba(0, 0, 0, 0.7);
    width: 100%;
    max-width: 140px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p { font-size: 0.8rem; color: rgba(255, 255, 255, 0.5); }

.footer-logos { display: flex; align-items: center; gap: var(--space-md); }
.footer-logos img { height: 28px; opacity: 0.75; }

.footer-legal {
    max-width: 1200px;
    margin: var(--space-md) auto 0;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
}

.footer-legal p { font-size: 0.72rem; color: rgba(255, 255, 255, 0.45); text-align: center; }
.footer-legal img { height: 30px; opacity: 0.8; }
.footer-legal i { color: rgba(255, 255, 255, 0.6); font-size: 1.4rem; }

/* ── Article page ── */
.breadcrumbs {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--gris-claro);
    font-size: 0.9rem;
    max-width: 1200px;
    margin: 0 auto;
}

.breadcrumb-link {
    color: var(--buap-azul-claro);
    text-decoration: none;
}

.breadcrumb-link:hover { text-decoration: underline; }

.breadcrumb-current { color: var(--gris-oscuro); }

.article-content {
    background: var(--blanco);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gris-medio);
}

.article-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gris-medio);
}

.article-tag {
    background-color: var(--buap-azul-claro);
    color: var(--blanco);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: var(--space-md);
}

.article-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.6vw, 2.1rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--negro);
    line-height: 1.3;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
    color: var(--gris-oscuro);
}

.article-author {
    font-weight: 600;
    color: var(--buap-azul-claro);
}

.article-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}

.article-body { padding: var(--space-lg); }

.contenido p,
.article-paragraph {
    margin-bottom: var(--space-lg);
    font-size: 1.05rem;
    line-height: 1.8;
}

.contenido h2,
.article-heading {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--space-xl) 0 var(--space-md);
    color: var(--buap-azul-oscuro);
}

.contenido h3,
.article-subheading {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    margin: var(--space-lg) 0 var(--space-sm);
    color: var(--buap-azul-claro);
}

.contenido blockquote,
.article-quote {
    border-left: 4px solid var(--buap-rojo);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    background-color: var(--gris-claro);
    font-style: italic;
}

.contenido img { border-radius: 12px; margin: var(--space-lg) auto; }

.contenido a { color: var(--buap-azul-claro); text-decoration: underline; }

.article-reference {
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

.article-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--gris-medio);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.article-tags {
    display: flex;
    gap: var(--space-sm);
}

.tag {
    background-color: var(--gris-medio);
    color: var(--negro);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: 0.8rem;
}

.btn-primary {
    background-color: var(--buap-rojo);
    color: var(--blanco);
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 4px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--rojo-hover);
    transform: translateY(-2px);
}

.btn-primary:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.related-article {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    align-items: center;
}

.related-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
}

.related-content { flex: 1; min-width: 0; }

.related-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--negro);
}

.related-author {
    font-size: 0.8rem;
    color: var(--buap-azul-claro);
}

/* ── Author single ── */
.author-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xxl) var(--space-lg) var(--space-xxxl);
    display: grid;
    grid-template-columns: 336px minmax(0, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.profile-card {
    position: sticky;
    top: calc(var(--header-h) + var(--space-lg));
    border: 1px solid var(--gris-medio);
    border-radius: 22px;
    background: var(--blanco);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.portrait {
    position: relative;
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
    background: var(--azul-grad-icon);
    overflow: hidden;
}

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

.portrait-mono {
    font-family: var(--font-display);
    font-size: 6rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.94);
    line-height: 1;
}

.portrait::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.18), transparent 60%);
    pointer-events: none;
}

.profile-body { padding: var(--space-lg); }

.profile-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--buap-azul-oscuro);
}

.profile-role {
    font-size: 0.8rem;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--buap-azul-claro);
    margin-top: var(--space-xs);
}

.profile-facts {
    list-style: none;
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.profile-facts li {
    display: grid;
    gap: 2px;
}

.fact-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--gris-texto);
}

.fact-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--negro);
    line-height: 1.45;
}

.profile-actions {
    list-style: none;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gris-medio);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.profile-actions .action {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--gris-medio);
    border-radius: 12px;
    background: var(--blanco);
    color: var(--gris-oscuro);
    font: inherit;
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.16s, border-color 0.16s, color 0.16s;
}

.profile-actions .action svg { width: 17px; height: 17px; flex-shrink: 0; }

.profile-actions .action:hover {
    background: var(--tint-0);
    border-color: var(--buap-azul-claro);
    color: var(--buap-azul-oscuro);
}

.profile-actions .action:focus-visible {
    outline: 2px solid var(--buap-azul-claro);
    outline-offset: 2px;
}

.profile-actions .action.is-done {
    background: var(--buap-azul-oscuro);
    border-color: var(--buap-azul-oscuro);
    color: var(--blanco);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-md);
}

.stat {
    padding: var(--space-lg) var(--space-md);
    border: 1px solid var(--gris-medio);
    border-radius: 16px;
    background: var(--blanco);
    text-align: center;
}

.stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    line-height: 1;
    color: var(--buap-azul-oscuro);
    font-variant-numeric: tabular-nums;
}

.stat-label {
    display: block;
    margin-top: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--gris-texto);
}

.bio {
    border: 1px solid var(--gris-medio);
    border-radius: 18px;
    background: var(--blanco);
    padding: var(--space-lg) var(--space-xl);
}

.bio p { color: var(--gris-oscuro); font-size: 1rem; line-height: 1.75; }
.bio p + p { margin-top: var(--space-md); }

.quote-content p { font-size: 1.1rem; line-height: 1.8; color: var(--gris-oscuro); }

.pub-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-md); }

.pub {
    border: 1px solid var(--gris-medio);
    border-radius: 18px;
    background: var(--blanco);
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: var(--space-lg);
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.pub:hover {
    border-color: var(--buap-azul-claro);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.pub-issue {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--tint-1);
    display: grid;
    place-items: center;
    color: var(--buap-azul-oscuro);
    text-align: center;
}

.pub-issue b {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1;
    display: block;
}

.pub-issue span {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.pub-title {
    font-family: var(--font-display);
    font-size: 1.28rem;
    font-weight: 600;
    line-height: 1.28;
    color: var(--negro);
}

.pub-meta {
    margin-top: var(--space-sm);
    font-size: 0.82rem;
    color: var(--gris-texto);
}

.pub-authors {
    margin-top: var(--space-sm);
    font-size: 0.88rem;
    color: var(--gris-oscuro);
    line-height: 1.6;
}

.pub-authors a {
    color: var(--buap-azul-claro);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.16s;
}

.pub-authors a:hover { color: var(--buap-azul-oscuro); text-decoration: underline; }
.pub-authors .is-self { color: var(--buap-azul-oscuro); font-weight: 700; }

.pub-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.pub-actions a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 38px;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.16s, border-color 0.16s, color 0.16s;
}

.pub-actions a svg { width: 15px; height: 15px; }

.pub-actions .primary {
    background: var(--buap-azul-oscuro);
    border: 1px solid var(--buap-azul-oscuro);
    color: var(--blanco);
}

.pub-actions .primary:hover {
    background: var(--buap-azul-claro);
    border-color: var(--buap-azul-claro);
    color: var(--blanco);
}

.pub-actions .ghost {
    background: var(--blanco);
    border: 1px solid var(--gris-medio);
    color: var(--gris-oscuro);
}

.pub-actions .ghost:hover {
    border-color: var(--buap-azul-claro);
    color: var(--buap-azul-oscuro);
    background: var(--tint-0);
}

.pub-actions a:focus-visible {
    outline: 2px solid var(--buap-azul-claro);
    outline-offset: 2px;
}

.coauthor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
}

.coauthor {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--gris-medio);
    border-radius: 14px;
    background: var(--blanco);
    text-decoration: none;
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.coauthor:hover {
    border-color: var(--buap-azul-claro);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.coauthor:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.coauthor-mono {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    border-radius: 12px;
    background: var(--tint-2);
    display: grid;
    place-items: center;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--buap-azul-oscuro);
    transition: background 0.18s, color 0.18s;
}

.coauthor:hover .coauthor-mono { background: var(--azul-grad-icon); color: var(--blanco); }

.coauthor-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--negro);
    line-height: 1.35;
}

.coauthor-role {
    font-size: 0.76rem;
    color: var(--gris-texto);
}

/* ── All authors ── */
.authors-toolbar {
    position: sticky;
    top: var(--header-h);
    z-index: 90;
    background: rgba(248, 249, 250, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--gris-medio);
}

.authors-toolbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toolbar-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.author-search {
    position: relative;
    flex: 1 1 300px;
    max-width: 430px;
}

.author-search .search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 17px;
    height: 17px;
    color: var(--buap-azul-claro);
    pointer-events: none;
}

.author-search input {
    width: 100%;
    padding: 12px 42px 12px 44px;
    border: 1px solid var(--gris-medio);
    border-radius: 999px;
    font: inherit;
    font-size: 0.94rem;
    color: var(--negro);
    background: var(--blanco);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.author-search input::placeholder { color: var(--gris-texto); }
.author-search input:focus {
    outline: none;
    border-color: var(--buap-azul-claro);
    box-shadow: var(--focus-ring);
}

.search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--gris-oscuro);
    display: none;
    place-items: center;
    transition: background 0.15s, color 0.15s;
}

.search-clear.show { display: grid; }
.search-clear:hover { background: var(--gris-medio); color: var(--buap-azul-oscuro); }

.results-count {
    font-size: 0.85rem;
    color: var(--gris-texto);
    margin-left: auto;
}

.results-count strong {
    color: var(--buap-azul-oscuro);
    font-variant-numeric: tabular-nums;
}

.alpha-rail {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.alpha-rail button {
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--gris-oscuro);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.alpha-rail button:hover:not(:disabled) {
    background: var(--blanco);
    border-color: var(--gris-medio);
    color: var(--buap-azul-oscuro);
}

.alpha-rail button.active {
    background: var(--buap-azul-oscuro);
    border-color: var(--buap-azul-oscuro);
    color: var(--blanco);
}

.alpha-rail button:disabled {
    color: rgba(52, 58, 64, 0.3);
    cursor: not-allowed;
}

.authors-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg) var(--space-xxxl);
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
}

.author-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border: 1px solid var(--gris-medio);
    border-radius: 16px;
    background: var(--blanco);
    text-decoration: none;
    overflow: hidden;
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.author-card:hover {
    border-color: var(--buap-azul-claro);
    box-shadow: var(--shadow-card);
    transform: translateY(-3px);
}

.author-card:focus-visible {
    outline: 2px solid var(--buap-azul-claro);
    outline-offset: 2px;
}

.author-mono {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
    font-family: var(--font-display);
    font-size: 2.1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--buap-azul-oscuro);
    background: var(--tint-0);
    transition: background 0.2s, color 0.2s;
}

.author-card[data-tone="1"] .author-mono { background: var(--tint-1); }
.author-card[data-tone="2"] .author-mono { background: var(--tint-2); }
.author-card[data-tone="3"] .author-mono { background: var(--tint-3); }

.author-card:hover .author-mono {
    background: var(--azul-grad-icon);
    color: var(--blanco);
}

.author-name {
    padding: 13px 16px 15px;
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--negro);
    line-height: 1.35;
    min-width: 0;
    text-align: center;
}

.author-card:hover .author-name { color: var(--buap-azul-oscuro); }

.empty-state {
    text-align: center;
    padding: var(--space-xxxl) var(--space-lg);
    border: 1px dashed var(--gris-medio);
    border-radius: 16px;
    background: var(--blanco);
}

.empty-state svg {
    width: 38px;
    height: 38px;
    margin: 0 auto var(--space-md);
    color: var(--buap-azul-claro);
}

.empty-state h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--buap-azul-oscuro);
    margin-bottom: var(--space-xs);
}

.empty-state p { color: var(--gris-texto); font-size: 0.95rem; }

.empty-state button {
    margin-top: var(--space-lg);
    padding: 10px 22px;
    border: 1px solid var(--buap-azul-oscuro);
    border-radius: 999px;
    background: transparent;
    color: var(--buap-azul-oscuro);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background 0.18s, color 0.18s;
}

.empty-state button:hover { background: var(--buap-azul-oscuro); color: var(--blanco); }

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: var(--space-xl);
}

.pagination[hidden] { display: none; }

.pagination button {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--gris-medio);
    border-radius: 10px;
    background: var(--blanco);
    color: var(--gris-oscuro);
    font: inherit;
    font-size: 0.86rem;
    font-weight: 600;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.pagination button:hover:not(:disabled):not(.active) {
    border-color: var(--buap-azul-claro);
    color: var(--buap-azul-oscuro);
    background: var(--blanco);
}

.pagination button.active {
    background: var(--buap-azul-oscuro);
    border-color: var(--buap-azul-oscuro);
    color: var(--blanco);
}

.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

.pagination .ellipsis {
    min-width: 24px;
    text-align: center;
    color: var(--gris-texto);
    font-weight: 600;
}

/* ── Repository (números anteriores) ── */
.repo-hero {
    background:
        radial-gradient(ellipse at 20% 50%, rgba(56, 107, 171, 0.4) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(27, 53, 123, 0.6) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 0%, rgba(239, 35, 60, 0.08) 0%, transparent 50%),
        linear-gradient(160deg, #0a1a3e 0%, var(--buap-azul-oscuro) 35%, var(--buap-azul-claro) 100%);
    color: var(--blanco);
    padding: var(--space-xxxl) var(--space-lg);
    position: relative;
    overflow: hidden;
    text-align: center;
    background-attachment: fixed;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    will-change: transform;
}

.repo-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(90deg, transparent 0px, transparent 39px, rgba(255, 255, 255, 0.02) 40px, transparent 41px),
        repeating-linear-gradient(0deg, transparent 0px, transparent 39px, rgba(255, 255, 255, 0.02) 40px, transparent 41px);
    z-index: 0;
}

.repo-hero::after {
    content: "";
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(239, 35, 60, 0.06) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    z-index: 0;
    pointer-events: none;
}

.repo-hero-shapes {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.repo-hero-shape {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 50%;
}

.repo-hero-shape:nth-child(1) {
    width: 80px; height: 80px; top: 15%; left: 8%;
    animation: floatShape 8s ease-in-out infinite;
}

.repo-hero-shape:nth-child(2) {
    width: 140px; height: 140px; top: 60%; left: 5%;
    animation: floatShape 12s ease-in-out infinite 2s;
    border-color: rgba(255, 255, 255, 0.04);
}

.repo-hero-shape:nth-child(3) {
    width: 50px; height: 50px; top: 25%; right: 12%;
    animation: floatShape 6s ease-in-out infinite 1s;
    border-color: rgba(239, 35, 60, 0.1);
}

.repo-hero-shape:nth-child(4) {
    width: 100px; height: 100px; bottom: 20%; right: 18%;
    animation: floatShape 10s ease-in-out infinite 3s;
}

.repo-hero-shape:nth-child(5) {
    width: 60px; height: 60px; bottom: 35%; right: 45%;
    animation: floatShape 7s ease-in-out infinite 1.5s;
    border-color: rgba(255, 255, 255, 0.03);
}

@keyframes floatShape {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(2deg); }
    66% { transform: translateY(8px) rotate(-1deg); }
}

.repo-hero-glare {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
    top: -80px;
    left: 20%;
    z-index: 0;
    pointer-events: none;
    animation: glarePulse 4s ease-in-out infinite;
}

@keyframes glarePulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.repo-hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.repo-hero-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.repo-hero-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.2;
    letter-spacing: 1px;
}

.repo-hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.85;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

.repo-hero-divider {
    width: 80px;
    height: 3px;
    background: var(--buap-rojo);
    margin: var(--space-lg) auto;
    border-radius: 2px;
}

.controls-bar {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg) var(--space-md);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.controls-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.controls-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.filter-label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--gris-oscuro);
    font-weight: 500;
}

.filter-input {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gris-medio);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--negro);
    width: 140px;
    outline: none;
    transition: border-color 0.3s ease;
}

.filter-input:focus { border-color: var(--buap-azul-claro); }

.filter-btn {
    background-color: var(--buap-azul-oscuro);
    color: var(--blanco);
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 6px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.filter-btn:hover { background-color: var(--buap-azul-claro); }

.sort-select {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gris-medio);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--negro);
    background: var(--blanco);
    outline: none;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.sort-select:focus { border-color: var(--buap-azul-claro); }

.result-count {
    font-size: 0.9rem;
    color: var(--gris-oscuro);
    font-weight: 500;
}

.issues-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg) var(--space-xxl);
}

.issue-card {
    background: var(--blanco);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: block;
}

.issue-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.issue-card-image {
    width: 100%;
    aspect-ratio: 5 / 7;
    object-fit: cover;
    display: block;
    background: var(--gris-claro);
}

.issue-card-body {
    padding: var(--space-md);
}

.issue-number {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--buap-azul-oscuro);
    margin-bottom: var(--space-xs);
}

.issue-date {
    font-size: 0.85rem;
    color: var(--gris-oscuro);
    font-weight: 500;
}

.issue-volume {
    font-size: 0.75rem;
    color: var(--buap-azul-claro);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.issue-placeholder {
    width: 100%;
    aspect-ratio: 5 / 7;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.issue-placeholder::before {
    content: "";
    position: absolute;
    top: -60%;
    right: -40%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 50%;
    transform: rotate(15deg);
}

.issue-placeholder::after {
    content: "";
    position: absolute;
    bottom: -40%;
    left: -30%;
    width: 80%;
    height: 80%;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 50%;
}

.issue-placeholder.dark {
    background: linear-gradient(145deg, var(--buap-azul-oscuro), #152a62);
}

.issue-placeholder.light {
    background: linear-gradient(145deg, var(--buap-azul-claro), #2d5a96);
}

.placeholder-badge {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-md);
}

.placeholder-issue-num {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--blanco);
    line-height: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.placeholder-label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: var(--space-sm);
}

.placeholder-year {
    position: relative;
    z-index: 1;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: var(--space-sm);
}

.placeholder-accent {
    position: relative;
    z-index: 1;
    width: 30px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    margin: var(--space-sm) auto 0;
    border-radius: 1px;
}

.pagination-bar {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-xxl);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
}

.page-btn {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--gris-medio);
    background: var(--blanco);
    color: var(--negro);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-btn:hover:not(.active):not(:disabled) {
    border-color: var(--buap-azul-claro);
    color: var(--buap-azul-claro);
}

.page-btn.active {
    background: var(--buap-azul-oscuro);
    border-color: var(--buap-azul-oscuro);
    color: var(--blanco);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.page-btn.arrow { font-size: 1.1rem; }

.page-info {
    font-size: 0.9rem;
    color: var(--gris-oscuro);
    margin: 0 var(--space-sm);
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-xxl) var(--space-lg);
    color: var(--gris-oscuro);
}

.no-results-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.3;
}

.no-results-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--buap-azul-oscuro);
    margin-bottom: var(--space-sm);
}

.no-results-hint {
    font-size: 0.95rem;
    opacity: 0.7;
}

/* ── A los autores ── */
.layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xxl) var(--space-lg);
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--space-xxl);
    align-items: start;
}

.sidebar-nav {
    position: sticky;
    top: 80px;
}

.sidebar-nav-title {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--gris-oscuro);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--buap-azul-oscuro);
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-nav a {
    display: block;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--gris-oscuro);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    font-weight: 500;
    line-height: 1.4;
}

.sidebar-nav a:hover {
    background: var(--gris-claro);
    color: var(--buap-azul-oscuro);
}

.sidebar-nav a.active {
    background: var(--tint-0);
    color: var(--buap-azul-oscuro);
    font-weight: 600;
}

.content-area {
    min-width: 0;
}

.content-section { display: none; }
.content-section.active { display: block; }

.section-heading {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--buap-azul-oscuro);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--buap-azul-oscuro);
    line-height: 1.2;
}

.section-body {
    font-size: 1rem;
    color: #2c3038;
    line-height: 1.8;
}

.section-body p { margin-bottom: var(--space-lg); }
.section-body p:last-child { margin-bottom: 0; }

.section-body strong,
.section-body b {
    color: var(--negro);
    font-weight: 600;
}

.section-body h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--buap-azul-oscuro);
    margin: var(--space-xl) 0 var(--space-sm);
}

.section-body ul:not(.spec-list) {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
    color: #2c3038;
}

.section-body ul:not(.spec-list) li { margin-bottom: var(--space-sm); }

.section-body a { color: var(--buap-azul-claro); text-decoration: underline; }

.info-box {
    background: var(--tint-0);
    border-left: 4px solid var(--buap-azul-oscuro);
    padding: var(--space-md) var(--space-lg);
    border-radius: 0 6px 6px 0;
    margin-bottom: var(--space-lg);
}

.info-box p { margin-bottom: 0; font-size: 0.95rem; }

.ref-example {
    background: var(--gris-claro);
    border-radius: 6px;
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.ref-example-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--buap-azul-claro);
    margin-bottom: var(--space-xs);
}

.spec-list {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.spec-list li {
    display: flex;
    gap: var(--space-sm);
    padding: 10px 0;
    border-bottom: 1px solid var(--gris-medio);
    font-size: 0.95rem;
    align-items: flex-start;
}

.spec-list li:last-child { border-bottom: none; }

.spec-list li::before {
    content: '—';
    color: var(--buap-azul-claro);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.submission-cta {
    background: linear-gradient(135deg, var(--buap-azul-oscuro), #2a4a9e);
    color: var(--blanco);
    border-radius: 8px;
    padding: var(--space-xl) var(--space-xxl);
    text-align: center;
    margin-top: var(--space-xl);
}

.submission-cta h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.submission-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.submission-cta a {
    display: inline-block;
    background: var(--buap-rojo);
    color: var(--blanco);
    text-decoration: none;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 4px;
    font-size: 1rem;
    transition: background 0.2s, transform 0.15s;
}

.submission-cta a:hover {
    background: var(--buap-carmesi);
    transform: translateY(-2px);
}

.diagram-note {
    background: var(--gris-claro);
    border-radius: 8px;
    padding: var(--space-xl);
    text-align: center;
    color: var(--gris-oscuro);
}

.diagram-note p { margin-bottom: var(--space-sm); font-size: 0.95rem; }

/* ── Multimedia lab ── */
.ml-toolbar {
    position: sticky;
    top: var(--header-h);
    z-index: 90;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gris-medio);
}

.ml-toolbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.ml-search { position: relative; flex: 1 1 260px; max-width: 420px; }

.ml-search svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 17px;
    height: 17px;
    color: var(--gris-texto);
    pointer-events: none;
}

.ml-search input {
    width: 100%;
    padding: 11px 40px 11px 40px;
    border: 1px solid var(--gris-medio);
    border-radius: 999px;
    background: var(--blanco);
    font: inherit;
    font-size: 0.9rem;
    color: var(--negro);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ml-search input::placeholder { color: var(--gris-texto); }

.ml-search input:focus {
    outline: none;
    border-color: var(--buap-azul-claro);
    box-shadow: var(--focus-ring);
}

.ml-search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border: 0;
    border-radius: 50%;
    background: var(--gris-medio);
    color: var(--gris-oscuro);
    cursor: pointer;
    display: none;
    place-items: center;
    transition: background 0.16s, color 0.16s;
}

.ml-search-clear.visible { display: grid; }
.ml-search-clear:hover { background: var(--gris-oscuro); color: var(--blanco); }
.ml-search-clear:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }

.ml-chips { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

.ml-chip {
    border: 1px solid var(--gris-medio);
    background: var(--blanco);
    color: var(--gris-oscuro);
    border-radius: 999px;
    padding: 8px 15px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.16s, color 0.16s, border-color 0.16s;
}

.ml-chip:hover { border-color: var(--buap-azul-claro); color: var(--buap-azul-oscuro); }
.ml-chip:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; }
.ml-chip.active { background: var(--buap-azul-oscuro); border-color: var(--buap-azul-oscuro); color: var(--blanco); }
.ml-chip[aria-pressed="true"] { background: var(--buap-azul-oscuro); border-color: var(--buap-azul-oscuro); color: var(--blanco); }

.ml-status {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    font-size: 0.8rem;
    color: var(--gris-texto);
}

.ml-status[hidden] { display: none; }

section[id] { scroll-margin-top: calc(var(--header-h) + 76px); }

.ml-feature {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    background: var(--blanco);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--gris-medio);
}

.ml-feature-media { position: relative; min-height: 300px; background: var(--negro); }
.ml-feature-media img { width: 100%; height: 100%; object-fit: cover; }

.ml-feature-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(7, 9, 12, 0.34), transparent 55%);
    pointer-events: none;
}

.ml-feature-play {
    position: absolute;
    left: 26px;
    bottom: 26px;
    z-index: 2;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    border: 0;
    background: rgba(255, 255, 255, 0.9);
    color: var(--buap-azul-oscuro);
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 14px 32px -14px rgba(0, 0, 0, 0.7);
    transition: background 0.18s, color 0.18s, transform 0.18s;
}

.ml-feature-play svg { width: 26px; height: 26px; margin-left: 3px; }
.ml-feature-play:hover { background: var(--buap-azul-oscuro); color: var(--blanco); transform: scale(1.05); }
.ml-feature-play:focus-visible { outline: 3px solid var(--blanco); outline-offset: 3px; }

.ml-feature-body {
    padding: clamp(26px, 4vw, 44px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-md);
}

.ml-badge {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--buap-carmesi);
    background: var(--tint-0);
    border-radius: 999px;
    padding: 6px 13px;
}

.ml-feature-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.6rem, 3.4vw, 2.3rem);
    line-height: 1.12;
    color: var(--buap-azul-oscuro);
    letter-spacing: -0.015em;
}

.ml-feature-meta { font-size: 0.85rem; color: var(--gris-texto); }

.ml-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-sm);
}

.ml-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    padding: 12px 22px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.18s, color 0.18s, box-shadow 0.18s;
}

.ml-btn svg { width: 17px; height: 17px; }

.ml-btn-primary { background: var(--buap-rojo); color: var(--blanco); box-shadow: 0 14px 30px -16px rgba(239, 35, 60, 0.9); }
.ml-btn-primary:hover { background: var(--rojo-hover); }
.ml-btn-primary:focus-visible { outline: 2px solid var(--buap-azul-oscuro); outline-offset: 3px; }
.ml-btn-ghost { background: var(--blanco); color: var(--buap-azul-oscuro); box-shadow: inset 0 0 0 1px var(--gris-medio); }
.ml-btn-ghost:hover { background: var(--tint-1); box-shadow: inset 0 0 0 1px var(--buap-azul-claro); }
.ml-btn-ghost:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; }

.ml-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
    gap: 22px;
}

.ml-card { display: flex; flex-direction: column; gap: 12px; }

.ml-card-media {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    background: var(--negro);
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ml-card-media img {
    width: 100%;
    aspect-ratio: 500 / 339;
    height: auto;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.ml-card-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(7, 9, 12, 0.58), transparent 58%);
    pointer-events: none;
}

.ml-card:hover .ml-card-media { transform: translateY(-3px); box-shadow: var(--shadow-float); }
.ml-card-media:hover img, .ml-card-media:focus-visible img { transform: scale(1.05); }
.ml-card-media:focus-visible { outline: 3px solid var(--buap-azul-claro); outline-offset: 3px; }

.ml-card-play {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--buap-azul-oscuro);
    display: grid;
    place-items: center;
    pointer-events: none;
    transition: background 0.18s, color 0.18s, transform 0.18s;
}

.ml-card-play svg { width: 18px; height: 18px; margin-left: 2px; }

.ml-card-media:hover .ml-card-play,
.ml-card-media:focus-visible .ml-card-play {
    background: var(--buap-azul-oscuro);
    color: var(--blanco);
    transform: translate(-50%, -50%) scale(1.08);
}

.ml-card-tag {
    position: absolute;
    left: 12px;
    top: 12px;
    z-index: 2;
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--blanco);
    background: rgba(7, 9, 12, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 5px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.ml-card-title {
    font-size: 0.98rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--negro);
    letter-spacing: -0.005em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ml-card-title.clamp-3 { -webkit-line-clamp: 3; }

.ml-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.ml-card-sub { font-size: 0.76rem; color: var(--gris-texto); }

.ml-card-dl {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--buap-azul-claro);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ml-card-dl:hover { color: var(--buap-azul-oscuro); }
.ml-card-dl:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; border-radius: 4px; }

.ml-comics { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 22px; }
.ml-comic { display: flex; flex-direction: column; gap: 12px; }

.ml-comic-media {
    position: relative;
    display: block;
    border-radius: 14px;
    overflow: hidden;
    background: var(--negro);
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ml-comic-media img { width: 100%; aspect-ratio: 500 / 339; object-fit: cover; transition: transform 0.45s ease; }
.ml-comic-media:hover { transform: translateY(-3px); box-shadow: var(--shadow-float); }
.ml-comic-media:hover img { transform: scale(1.05); }
.ml-comic-media:focus-visible { outline: 3px solid var(--buap-azul-claro); outline-offset: 3px; }

.ml-comic-badge {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 2;
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--buap-azul-oscuro);
    background: rgba(255, 255, 255, 0.92);
    padding: 5px 10px;
    border-radius: 999px;
}

.ml-comic-title { font-size: 1rem; font-weight: 600; line-height: 1.35; color: var(--negro); }
.ml-comic-title a { text-decoration: none; }
.ml-comic-title a:hover { color: var(--buap-azul-oscuro); text-decoration: underline; text-underline-offset: 3px; }
.ml-comic-title a:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 2px; border-radius: 4px; }

.ml-video {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    background: var(--negro);
    box-shadow: var(--shadow-float);
    aspect-ratio: 16 / 9;
}

.ml-video iframe, .ml-video img { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; object-fit: cover; }
.ml-video-poster { cursor: pointer; border: 0; padding: 0; background: none; }

.ml-video-poster::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(7, 9, 12, 0.72), rgba(7, 9, 12, 0.12) 60%, transparent);
}

.ml-video-play {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--buap-azul-oscuro);
    display: grid;
    place-items: center;
    pointer-events: none;
    box-shadow: 0 20px 50px -18px rgba(0, 0, 0, 0.85);
    transition: background 0.18s, color 0.18s, transform 0.18s;
}

.ml-video-play svg { width: 30px; height: 30px; margin-left: 4px; }

.ml-video-poster:hover .ml-video-play,
.ml-video-poster:focus-visible .ml-video-play {
    background: var(--buap-azul-oscuro);
    color: var(--blanco);
    transform: translate(-50%, -50%) scale(1.06);
}

.ml-video-poster:focus-visible { outline: 3px solid var(--buap-azul-claro); outline-offset: 3px; }

.ml-video-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    padding: clamp(20px, 3.4vw, 38px);
    pointer-events: none;
}

.ml-video-caption h3 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--blanco);
    font-size: clamp(1.3rem, 3vw, 2rem);
    line-height: 1.15;
    max-width: 24ch;
}

.ml-video-caption p { color: rgba(255, 255, 255, 0.82); font-size: 0.85rem; margin-top: 6px; }

.ml-empty {
    text-align: center;
    padding: var(--space-xxxl) var(--space-lg);
    background: var(--blanco);
    border: 1px dashed var(--gris-medio);
    border-radius: 18px;
}

.ml-empty[hidden] { display: none; }
.ml-empty h3 { font-family: var(--font-display); color: var(--buap-azul-oscuro); font-size: 1.25rem; margin-bottom: 6px; }
.ml-empty p { color: var(--gris-texto); font-size: 0.9rem; }

.ml-empty button {
    margin-top: var(--space-md);
    border: 0;
    border-radius: 999px;
    background: var(--buap-azul-oscuro);
    color: var(--blanco);
    padding: 11px 22px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: background 0.18s;
}

.ml-empty button:hover { background: var(--buap-azul-medio); }
.ml-empty button:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; }

.ml-player {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    background: var(--negro);
    color: var(--blanco);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 -18px 44px -26px rgba(0, 0, 0, 0.9);
    transform: translateY(110%);
    transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}

.ml-player.visible { transform: translateY(0); }

.ml-player-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.ml-player-cover {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--gris-oscuro);
}

.ml-player-info { min-width: 0; flex: 1 1 auto; }

.ml-player-title {
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ml-player-cat { font-size: 0.72rem; color: rgba(255, 255, 255, 0.55); }

.ml-player-toggle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 0;
    flex-shrink: 0;
    background: var(--blanco);
    color: var(--negro);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
}

.ml-player-toggle:hover { background: var(--buap-azul-claro); color: var(--blanco); }
.ml-player-toggle:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; }
.ml-player-toggle svg { width: 20px; height: 20px; }

.ml-player-seek {
    flex: 1 1 220px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.ml-player-time { font-size: 0.72rem; color: rgba(255, 255, 255, 0.6); font-variant-numeric: tabular-nums; flex-shrink: 0; }

.ml-player-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.22);
    cursor: pointer;
}

.ml-player-range:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 4px; }

.ml-player-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--blanco);
}

.ml-player-range::-moz-range-thumb { width: 14px; height: 14px; border: 0; border-radius: 50%; background: var(--blanco); }

.ml-player-dl, .ml-player-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    color: var(--blanco);
    border: 0;
    text-decoration: none;
    transition: background 0.18s, color 0.18s;
}

.ml-player-dl:hover, .ml-player-close:hover { background: rgba(255, 255, 255, 0.22); }
.ml-player-dl:focus-visible, .ml-player-close:focus-visible { outline: 2px solid var(--buap-azul-claro); outline-offset: 3px; }
.ml-player-dl svg, .ml-player-close svg { width: 18px; height: 18px; }

body.has-player { padding-bottom: 92px; }
body:has(.ml-player.visible) { padding-bottom: 92px; }

.ml-player-toggle i { font-size: 1.3rem; }

/* ── Audio (álbum) ── */
.album-card {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: var(--space-xl);
    border: 1px solid var(--gris-medio);
    border-radius: 20px;
    background: var(--blanco);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
    align-items: start;
}

.album-art { border-radius: 14px; overflow: hidden; }
.album-art img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }

.album-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.album-actions .ml-btn svg { width: 17px; height: 17px; }
.album-actions .ml-btn i { margin-right: 6px; }

.album-details { min-width: 0; }
.album-details h2 {
    font-family: var(--font-display);
    color: var(--buap-azul-oscuro);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.album-details .section-body { font-size: 0.95rem; line-height: 1.7; color: var(--gris-oscuro); }

.track-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-lg);
}

.track-col { list-style: none; }

.track-letter {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--buap-azul-claro);
    text-transform: uppercase;
    padding: 8px 12px;
}

.track-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gris-medio);
    cursor: pointer;
    font-size: 0.92rem;
    color: var(--gris-oscuro);
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.track-item:hover { background: var(--tint-0); color: var(--buap-azul-oscuro); }
.track-item.track-active { background: linear-gradient(90deg, var(--tint-1), transparent); border-left: 3px solid var(--buap-azul-claro); }
.track-item i { color: var(--buap-azul-claro); margin-right: 8px; }

@media (max-width: 1024px) {
    .track-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .album-card { grid-template-columns: minmax(0, 1fr); }
    .track-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ── Forms y utilidades ── */
.form-card {
    border: 1px solid var(--gris-medio);
    border-radius: 18px;
    background: var(--blanco);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.form-field label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    color: var(--gris-texto);
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 11px 14px;
    border: 1px solid var(--gris-medio);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--negro);
    background: var(--blanco);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--buap-azul-claro);
    box-shadow: var(--focus-ring);
}

.payments-info {
    border: 1px solid var(--gris-medio);
    border-radius: 18px;
    background: var(--blanco);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
}

.payments-info h3,
.payments-info h2 {
    font-family: var(--font-display);
    color: var(--buap-azul-oscuro);
    font-size: 1.15rem;
    margin-bottom: var(--space-md);
}

.payments-info p { color: var(--gris-oscuro); line-height: 1.7; font-size: 0.95rem; }

.card-grid .gallery-card {
    border: 1px solid var(--gris-medio);
    border-radius: 18px;
    background: var(--blanco);
    overflow: hidden;
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.card-grid .gallery-card:hover {
    border-color: var(--buap-azul-claro);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.gallery-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--tint-1);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.card-grid .gallery-card:hover .gallery-thumb img { transform: scale(1.03); }

.gallery-card-body { padding: var(--space-md) var(--space-lg); }

.gallery-card-title {
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--negro);
}

.gallery-card-title a { color: inherit; text-decoration: none; transition: color 0.16s; }
.gallery-card-title a:hover { color: var(--buap-azul-oscuro); }

.generic-list-item {
    border: 1px solid var(--gris-medio);
    border-radius: 14px;
    background: var(--blanco);
    padding: var(--space-md) var(--space-lg);
}

.generic-list-item h3,
.generic-list-item h4 {
    font-family: var(--font-display);
    color: var(--buap-azul-oscuro);
    font-weight: 600;
}

.generic-list-item a { color: var(--buap-azul-claro); text-decoration: none; }
.generic-list-item a:hover { color: var(--buap-azul-oscuro); text-decoration: underline; }

.sharethis-inline-share-buttons { margin: var(--space-md) 0; }

.gallery-slide-img {
    width: 100%;
    max-height: 560px;
    object-fit: cover;
    border-radius: 14px;
}

.thumb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 10px;
}

.gallery-thumb-link {
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 10px;
    border: 1px solid var(--gris-medio);
    background: var(--tint-1);
}

.gallery-thumb-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.25s ease;
}

.gallery-thumb-link:hover img { transform: scale(1.05); }

/* ── Search modal (estilos sobre la base de search_engine.css) ── */
#searchModal .modal-dialog.modal-xl { width: 95%; max-width: 1100px; }
#searchModal .modal-header { border-bottom: 0; background: var(--buap-azul-oscuro); }
#searchModal .modal-header h4 { color: var(--blanco); font-family: var(--font-display); }
#searchModal .modal-header .close { color: var(--blanco); opacity: 0.9; }
#searchModal .modal-content { border-radius: 14px; border: 0; box-shadow: var(--shadow-float); }
#searchModal .modal-body { max-height: 80vh; overflow-y: auto; }

#searchModal mark { background: var(--buap-azul-claro); color: var(--blanco); }

.search-input-group .input-group-addon:first-child { background: var(--buap-azul-oscuro); color: var(--blanco); border-color: var(--buap-azul-oscuro); }
.search-clear-btn { color: var(--gris-oscuro); background: var(--blanco); }
.search-clear-btn:hover { color: #d9534f; }

.search-category-header {
    background: var(--gris-claro);
    border-left: 4px solid var(--buap-azul-oscuro);
    color: var(--buap-azul-oscuro);
    font-weight: 600;
    font-size: 14px;
    border-radius: 8px;
    margin-bottom: var(--space-md);
}

.search-category-header .badge { background: var(--buap-azul-oscuro); }

.search-result-item {
    border: 1px solid var(--gris-medio);
    border-left: 4px solid var(--buap-azul-claro);
    border-radius: 12px;
    padding: var(--space-md);
    background: var(--blanco);
    display: block;
    text-decoration: none;
    transition: border-color 0.16s, box-shadow 0.16s;
}

.search-result-item:hover {
    border-color: var(--buap-azul-claro);
    box-shadow: var(--shadow-card);
    transform: translateY(-1px);
}

.search-result-item .result-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); }
.search-result-item .result-title { font-size: 15px; font-weight: 600; color: var(--negro); font-family: var(--font-display); line-height: 1.3; }
.search-result-item .result-meta { font-size: 12px; color: var(--gris-texto); }
.search-result-item .result-preview { font-size: 13px; color: var(--gris-oscuro); line-height: 1.6; }

.search-result-item .result-label.label { font-size: 10px; border-radius: 999px; }
.search-result-item .result-label.label-default { background: var(--gris-medio); color: var(--gris-oscuro); }
.search-result-item .result-label.label-primary { background: var(--buap-azul-oscuro); color: var(--blanco); }
.search-result-item .result-label.label-warning { background: var(--buap-rojo); color: var(--blanco); }

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--buap-azul-oscuro);
    color: var(--blanco);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    font-family: var(--font-display);
    flex-shrink: 0;
}

.multimedia-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--buap-rojo);
    color: var(--blanco);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.search-jump-bar { background: var(--blanco); border-bottom: 1px solid var(--gris-medio); }
.search-jump-bar a { border-radius: 999px; background: var(--gris-claro); color: var(--gris-oscuro); }
.search-jump-bar a:hover { background: var(--buap-azul-oscuro); color: var(--blanco); }
.search-jump-bar .badge { background: var(--buap-azul-oscuro); }

.search-summary { background: var(--gris-claro); border-radius: 10px; }
.search-summary strong { color: var(--buap-azul-oscuro); }

.special_pagination .pagination > li.active > a { background: var(--buap-azul-oscuro); border-color: var(--buap-azul-oscuro); }
.special_pagination .pagination > li > a { color: var(--gris-oscuro); border-radius: 8px; }

.search-loading-overlay { opacity: 0.6; }
.spinner { border-color: var(--buap-azul-claro); }

/* ── Legado de componentes reutilizados ── */
.owl-theme .owl-nav { display: none; }
.owl-theme .owl-dots .owl-dot span { background: var(--gris-medio); }
.owl-theme .owl-dots .owl-dot.active span,
.owl-theme .owl-dots .owl-dot:hover span { background: var(--buap-rojo); }

#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--negro);
    color: var(--blanco);
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(15px);
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    z-index: 150;
}

#back-to-top.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

#back-to-top:hover { background: var(--buap-rojo); }
#back-to-top:after { content: "\f106"; font-family: "FontAwesome"; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .main-container { grid-template-columns: minmax(0, 1fr); }
    .issues-grid { grid-template-columns: repeat(3, 1fr); }
    .author-main { grid-template-columns: minmax(0, 1fr); }
    .profile-card { position: static; }
    .profile-card .portrait { aspect-ratio: 16 / 9; }
    .portrait-mono { font-size: 4.5rem; }
    .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
    .main-container { grid-template-columns: minmax(0, 1fr); }
    .ml-feature { grid-template-columns: minmax(0, 1fr); }
    .ml-feature-media { min-height: 260px; aspect-ratio: 500 / 339; }
}

@media (max-width: 900px) {
    .author-main { grid-template-columns: minmax(0, 1fr); padding-top: var(--space-lg); }
    .profile-card { position: static; }
    .profile-card .portrait { aspect-ratio: 16 / 9; }
    .portrait-mono { font-size: 4.5rem; }
    .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .header-nav { display: none; }
    .nav-toggle { display: flex; }
    .search-input { width: 140px; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .page-banner-content.flex-end { flex-direction: column; align-items: flex-start; }
    .banner-stat { text-align: left; padding-left: 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.22); padding-top: var(--space-md); }
    .authors-toolbar-inner { padding: var(--space-sm) var(--space-md); }
    .results-count { margin-left: 0; width: 100%; }
    .ml-toolbar-inner { padding: var(--space-sm) var(--space-md); }
    .ml-status { padding: 0 var(--space-md); }
    .ml-grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 18px; }
    .ml-player-seek { display: none; }
    .layout { grid-template-columns: 1fr; padding: var(--space-lg) var(--space-md); }
    .sidebar-nav { position: static; margin-bottom: var(--space-lg); }
    .sidebar-nav ul { flex-direction: row; flex-wrap: wrap; gap: var(--space-xs); }
    .sidebar-nav a { font-size: 0.8rem; padding: 6px 10px; }
}

@media (max-width: 768px) {
    .article-title { font-size: 1.6rem; }
    .article-meta { flex-direction: column; gap: var(--space-xs); }
    .issues-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
    .repo-hero { background-attachment: scroll; min-height: 260px; }
    .repo-hero-title { font-size: 2rem; }
    .repo-hero-subtitle { font-size: 1rem; }
    .controls-bar { flex-direction: column; align-items: stretch; }
    .controls-left, .controls-right { justify-content: center; }
    .filter-input { flex: 1; min-width: 100px; }
}

@media (min-width: 621px) and (max-width: 1024px) {
    .slider-hero {
        height: clamp(420px, 58vw, 520px);
        border-radius: 18px;
    }
    .slider-hero-overlay { padding: 0 clamp(28px, 4.4vw, 44px) calc(clamp(24px, 4vw, 44px) + 66px); }
    .slider-hero-content { max-width: 560px; }
    .slider-hero-title { font-size: clamp(1.6rem, 3.6vw, 2.2rem); }
    .slider-hero-description { font-size: clamp(0.94rem, 1.7vw, 1rem); }
}

@media (max-width: 620px) {
    .feature { grid-template-columns: minmax(0, 1fr); }
    .feature-cover { max-width: 220px; }
    .slider-hero {
        height: clamp(440px, 124vw, 560px);
        border-radius: 16px;
    }
    .slider-hero-overlay { padding: 0 clamp(20px, 5.4vw, 30px) calc(clamp(18px, 5vw, 26px) + 64px); }
    .slider-hero-content { max-width: none; }
    .slider-hero-title { font-size: clamp(1.4rem, 6.4vw, 1.85rem); max-width: 100%; }
    .slider-hero-description { font-size: 0.92rem; max-width: 46ch; }
    .slider-hero-bar { padding: 0 clamp(20px, 5.4vw, 30px) clamp(14px, 4.4vw, 20px); }
    .slider-hero-bar::before { left: clamp(20px, 5.4vw, 30px); right: clamp(20px, 5.4vw, 30px); }
    .slider-hero-arrow { width: 42px; height: 42px; }
    .slider-hero-indicator { font-size: 0.76rem; padding: 9px 7px; }
    .ml-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .ml-card-play { width: 40px; height: 40px; }
    .ml-comics { grid-template-columns: minmax(0, 1fr); }
    .ml-video { aspect-ratio: 4 / 3; }
    .ml-player-cover { display: none; }
}

@media (max-width: 560px) {
    .page-banner { padding: var(--space-xl) var(--space-md) var(--space-xxl); }
    .author-main { padding: var(--space-lg) var(--space-md) var(--space-xxl); }
    .bio { padding: var(--space-lg); }
    .pub { grid-template-columns: minmax(0, 1fr); padding: var(--space-lg); }
    .pub-issue { width: 48px; height: 48px; }
}

@media (max-width: 480px) {
    .header-inner { flex-wrap: wrap; }
    .search-container { flex: 1 1 100%; }
    .search-input { width: 100%; }
    .page-banner { padding: var(--space-xl) var(--space-md) var(--space-xxl); }
    .main-container { padding: var(--space-xl) var(--space-md) var(--space-xxl); }
    .footer-content { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr; }
    .media-lab { padding: var(--space-lg) var(--space-md); border-radius: 18px; }
    .media-item { grid-template-columns: 76px minmax(0, 1fr); gap: 12px; }
    .media-play i { width: 54px; height: 54px; }
    .slider-hero { height: clamp(420px, 132vw, 510px); border-radius: 14px; }
    .slider-hero-title { font-size: clamp(1.3rem, 7vw, 1.7rem); }
    .slider-hero-description { font-size: 0.88rem; }
    .slider-hero-arrow { width: 40px; height: 40px; }
    .article-title { font-size: 1.4rem; }
    .article-heading { font-size: 1.3rem; }
    .article-body { padding: var(--space-md); }
    .issues-grid { grid-template-columns: 1fr; max-width: 320px; }
    .repo-hero-title { font-size: 1.6rem; }
    .repo-hero { padding: var(--space-xxl) var(--space-md); background-attachment: scroll; min-height: 220px; }
    .controls-left { flex-direction: column; align-items: stretch; }
    .filter-input { width: 100%; }
    .header-nav { gap: var(--space-md); }
    .authors-main { padding: var(--space-lg) var(--space-md) var(--space-xxl); }
    .authors-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .author-mono { font-size: 1.6rem; }
    .author-name { font-size: 0.86rem; padding: 11px 10px 13px; }
    .ml-search { flex-basis: 100%; max-width: none; }
    .ml-chips { flex-wrap: nowrap; overflow-x: auto; width: 100%; padding-bottom: 4px; scrollbar-width: thin; }
    .ml-grid { grid-template-columns: minmax(0, 1fr); }
    .ml-player-inner { gap: 10px; padding: 10px var(--space-md); }
    .layout { grid-template-columns: 1fr; }
    .page-banner { padding: var(--space-xl) var(--space-md); }
}

@media (min-width: 1440px) {
    .issues-grid { grid-template-columns: repeat(4, 1fr); max-width: 1400px; }
}

@media (prefers-reduced-motion: reduce) {
    .repo-hero-shape,
    .repo-hero-glare { animation: none !important; }
    .repo-hero-content { opacity: 1; transform: none; transition: none; }
    .ml-card-media, .ml-comic-media, .ml-card-media img, .ml-comic-media img,
    .ml-feature-play, .ml-video-play, .ml-card-play, .ml-player { transition: none; }
    .ml-card:hover .ml-card-media, .ml-comic-media:hover { transform: none; }
}