/* =========================================================================
   Cumbre Minera - Landing pública
   Reutiliza tokens y tipografía Ubuntu de styles.css.
   ========================================================================= */
.landing {
    background:
        radial-gradient(circle at 15% 10%, rgba(201,167,81,0.10), transparent 45%),
        radial-gradient(circle at 85% 90%, rgba(21,89,47,0.08), transparent 45%),
        var(--bg-body);
    min-height: 100vh;
    overflow-x: hidden;
}
.mesas-wrap { width: 100%; }

/* Barra superior */
.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 1rem;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand img { height: 48px; width: auto; }
.nav-brand span { font-weight: 700; color: var(--negro); font-size: 1.05rem; }

/* Hero: texto con imagen al costado */
.landing-hero {
    background:
        radial-gradient(circle at 30% 20%, rgba(201,167,81,0.12), transparent 55%),
        linear-gradient(160deg, #eef0f3 0%, #e4e7eb 100%);
    color: var(--text-main);
    padding: 3.5rem 1.5rem;
    border-bottom: 3px solid var(--oro);
}
.hero-grid {
    max-width: 1150px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
}
.hero-text { text-align: left; }
.hero-logo {
    height: 150px;
    width: auto;
    margin-bottom: 1.2rem;
    filter: drop-shadow(0 6px 16px rgba(0,0,0,0.45));
}
.landing-hero h1 {
    font-size: clamp(1.8rem, 4.2vw, 2.9rem);
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.1;
    text-transform: uppercase;
    color: var(--negro);
}
.hero-place {
    color: var(--oro-dark);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin: 0.5rem 0 1.4rem;
}
.hero-dates {
    display: inline-block;
    border: 1px solid var(--oro);
    border-radius: 999px;
    padding: 0.5rem 1.4rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--negro);
    background: rgba(201, 167, 81, 0.1);
    margin-bottom: 1.2rem;
}
.hero-dates i { color: var(--oro-dark); margin-right: 8px; }
.hero-venue { color: var(--text-muted); font-size: 1rem; margin-bottom: 1.4rem; }
.hero-tagline {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-main);
    margin-bottom: 1.4rem;
}
.hero-tagline strong { color: var(--oro-dark); }
.hero-hashtag {
    color: var(--oro-dark);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 1.05rem;
}
.hero-image img {
    width: 100%;
    max-height: 460px;
    object-fit: cover;
    border-radius: 14px;
    border: 3px solid var(--oro);
    box-shadow: var(--shadow-lg);
}

/* Secciones */
.landing-section { max-width: 1100px; margin: 0 auto; padding: 3.5rem 1.5rem; }
.section-head { text-align: center; margin-bottom: 2.2rem; }
.section-head h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    color: var(--negro);
    font-weight: 700;
}
.section-head h2::after {
    content: '';
    display: block;
    width: 70px;
    height: 3px;
    background: var(--oro);
    margin: 0.7rem auto 0;
    border-radius: 3px;
}
.section-head p { color: var(--text-muted); margin-top: 0.6rem; }

/* Ejes temáticos */
.axes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
}
.axis-card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-left: 4px solid var(--oro);
    border-radius: 12px;
    padding: 1.6rem 1.4rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.axis-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.axis-card > i {
    font-size: 1.8rem;
    color: var(--oro);
    margin-bottom: 0.8rem;
    display: block;
}
.axis-card h3 { font-size: 1.05rem; color: var(--negro); line-height: 1.35; }
.axis-num {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    font-size: 2.4rem;
    font-weight: 700;
    color: rgba(201,167,81,0.22);
    line-height: 1;
}

/* Info cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
}
.info-card {
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 1.4rem;
    box-shadow: var(--shadow);
}
.info-card i { font-size: 2rem; color: var(--oro); margin-bottom: 0.8rem; }
.info-card h4 { color: var(--negro); margin-bottom: 0.5rem; font-size: 1.1rem; }
.info-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; }

/* Footer */
.landing-footer {
    background: var(--surface);
    color: var(--text-muted);
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-top: 3px solid var(--oro);
}
.landing-footer img { height: 90px; width: auto; margin-bottom: 1rem; }
.landing-footer p { font-size: 0.9rem; margin: 0.2rem 0; }
.landing-footer strong { color: var(--oro-dark); }
.footer-hashtag {
    color: var(--oro-dark);
    font-weight: 700;
    letter-spacing: 2px;
    margin-top: 0.8rem !important;
}

/* Sección alterna con fondo tenue */
.landing-section.alt { background: var(--surface); max-width: none; }
.landing-section.alt > .section-head,
.landing-section.alt > .about-grid,
.landing-section.alt > .obj-general,
.landing-section.alt > .obj-specific-title,
.landing-section.alt > .obj-list,
.landing-section.alt > .metodologia-text,
.landing-section.alt > .mesas-wrap,
.landing-section.alt > .results-list,
.landing-section.alt > .media-grid,
.landing-section.alt > .apoyo-grid,
.landing-section.alt > .media-empty {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

/* ¿Qué es? + cita del Ministro */
.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 2rem;
    align-items: start;
}
.about-text p { margin-bottom: 1rem; color: var(--text-main); line-height: 1.7; }
.about-text strong { color: var(--oro-dark); }
.minister-quote {
    background: var(--card-bg);
    border-left: 4px solid var(--oro);
    border-radius: 12px;
    padding: 1.6rem;
    box-shadow: var(--shadow);
}
.minister-quote .fa-quote-left { color: var(--oro); font-size: 1.6rem; margin-bottom: 0.6rem; }
.minister-quote p { font-style: italic; color: var(--text-main); line-height: 1.6; margin-bottom: 0.8rem; }
.minister-quote .author { font-style: normal; font-weight: 700; color: var(--negro); margin: 0; }
.minister-quote .role { font-style: normal; color: var(--oro-dark); font-size: 0.9rem; }

/* Objetivos */
.obj-general {
    background: var(--card-bg);
    border-top: 4px solid var(--oro);
    border-radius: 12px;
    padding: 1.5rem 1.75rem;
    box-shadow: var(--shadow);
    line-height: 1.7;
    margin-bottom: 2rem;
}
.metodologia-text {
    background: var(--card-bg);
    border-left: 4px solid var(--oro);
    border-radius: 12px;
    padding: 1.75rem 2rem;
    box-shadow: var(--shadow);
    color: var(--text-main);
    line-height: 1.8;
    text-align: justify;
    font-size: 1rem;
}
.obj-specific-title {
    font-size: 1.15rem;
    color: var(--oro-dark);
    margin: 0 0 1.25rem;
    padding-left: 0.75rem;
    border-left: 4px solid var(--oro);
    line-height: 1.3;
}
.obj-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}
.obj-item, .result-item {
    display: flex;
    gap: 12px;
    flex: 1 1 280px;
    max-width: 340px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.2rem;
    box-shadow: var(--shadow);
}
.obj-item i, .result-item i { color: var(--oro-dark); margin-top: 3px; }
.obj-item span, .result-item span { color: var(--text-main); line-height: 1.5; }

/* Ejes enriquecidos */
.ejes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}
.eje-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-top: 4px solid var(--oro);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}
.eje-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
    padding-top: 1rem;
}
.eje-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--oro-dark);
    background: rgba(201, 167, 81, 0.1);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}
.eje-link:hover { background: rgba(201, 167, 81, 0.22); transform: translateY(-1px); color: var(--oro-dark); }
.eje-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 0.8rem; }
.eje-badge {
    background: var(--oro);
    color: var(--negro);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 6px 12px;
    border-radius: 8px;
    white-space: nowrap;
}
.eje-card-head h3 { font-size: 1.05rem; color: var(--negro); line-height: 1.25; }
.eje-desc { color: var(--text-muted); line-height: 1.6; margin-bottom: 1rem; font-size: 0.95rem; }
.eje-bullets { list-style: none; display: grid; gap: 8px; }
.eje-bullets li { display: flex; gap: 10px; color: var(--text-main); font-size: 0.9rem; line-height: 1.45; }
.eje-bullets li i { color: var(--oro-dark); margin-top: 4px; font-size: 0.8rem; }

/* Tabla de mesas */
.mesas-wrap { overflow-x: auto; border-radius: 12px; box-shadow: var(--shadow); }
.mesas-table { width: 100%; border-collapse: collapse; background: var(--card-bg); min-width: 460px; }
.mesas-table th, .mesas-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.mesas-table thead th { background: var(--negro); color: var(--blanco); font-size: 0.85rem; letter-spacing: 0.5px; }
.mesas-table tbody tr:last-child td { border-bottom: none; }
.mesas-table .eje-name strong { color: var(--oro-dark); }
.mesas-table .cap { font-weight: 700; color: var(--negro); text-align: center; }

/* Resultados esperados */
.results-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

/* Contacto en footer */
.footer-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem 2rem;
    margin: 0.8rem 0;
    font-size: 0.9rem;
}
.footer-contact a { color: var(--oro-dark); }
.footer-contact span i { color: var(--oro-dark); margin-right: 6px; }

/* Tarjetas de acceso a Multimedia y Prensa (en la landing) */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.media-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-top: 4px solid var(--oro);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    color: var(--text-main);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.media-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); color: var(--text-main); }
.media-card > i { font-size: 2.4rem; color: var(--oro); margin-bottom: 0.8rem; }
.media-card h3 { font-size: 1.2rem; color: var(--negro); margin-bottom: 0.5rem; }
.media-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1rem; }
.media-link { color: var(--oro-dark); font-weight: 700; font-size: 0.9rem; }
.media-link i { margin-left: 6px; transition: transform 0.2s ease; }
.media-card:hover .media-link i { transform: translateX(4px); }

/* Estado vacío (galería / prensa sin contenido aún) */
.media-empty {
    text-align: center;
    padding: 3.5rem 1.5rem;
    background: var(--card-bg);
    border: 1px dashed var(--oro);
    border-radius: 12px;
    color: var(--text-muted);
}
.media-empty i { font-size: 3rem; color: var(--oro); margin-bottom: 1rem; }
.media-empty h3 { color: var(--negro); margin-bottom: 0.4rem; }

/* Galería fotográfica */
.gallery-days { display: block; }
.gallery-day {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--oro);
    color: var(--negro);
    font-size: 1.25rem;
}
.gallery-day:first-child { margin-top: 0; }
.gallery-day i { color: var(--oro); }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}
.gallery-item {
    position: relative;
    display: block;
    padding: 0;
    border: none;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 4 / 3;
    cursor: pointer;
    background: var(--card-bg);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item:focus-visible { outline: 3px solid var(--oro); outline-offset: 2px; }

/* Badge de "ampliar" que aparece al pasar el mouse sobre la miniatura */
.gallery-zoom {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(36, 39, 50, 0.65);
    color: #fff;
    font-size: 0.85rem;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}
.gallery-item:hover .gallery-zoom,
.gallery-item:focus-visible .gallery-zoom { opacity: 1; transform: scale(1); }

/* Lightbox (visor ampliado) */
body.no-scroll { overflow: hidden; }
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    grid-template-rows: 1fr auto;
    align-items: center;
    justify-items: center;
    padding: 2rem 1rem;
    background: rgba(15, 16, 22, 0.92);
    backdrop-filter: blur(4px);
}
.lightbox.is-open { display: grid; }
.lightbox-stage {
    grid-row: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    max-height: 78vh;
    overflow: hidden;
}
.lightbox-stage img {
    max-width: 100%;
    max-height: 78vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.lightbox-close,
.lightbox-nav {
    position: absolute;
    display: grid;
    place-items: center;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease;
}
.lightbox-close:hover,
.lightbox-nav:hover { background: rgba(201, 167, 81, 0.85); }
.lightbox-close {
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
}
.lightbox-nav {
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
}
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
.lightbox-bar {
    grid-row: 2;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-top: 1.2rem;
}
.lightbox-counter { color: rgba(255, 255, 255, 0.85); font-size: 0.9rem; font-weight: 600; }
.lightbox-download { display: inline-flex; align-items: center; gap: 0.5rem; }
.lightbox-download i { font-size: 0.9rem; }

@media (max-width: 600px) {
    .lightbox-nav { width: 40px; height: 40px; }
    .lightbox-prev { left: 0.4rem; }
    .lightbox-next { right: 0.4rem; }
    .lightbox-stage, .lightbox-stage img { max-height: 68vh; }
}

/* Sala de prensa */
.press-list { display: grid; gap: 1.2rem; }
.press-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-left: 4px solid var(--oro);
    border-radius: 12px;
    padding: 1.5rem 1.75rem;
    box-shadow: var(--shadow);
}
.press-card .press-date { color: var(--oro-dark); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.5px; }
.press-card h3 { color: var(--negro); margin: 0.4rem 0 0.6rem; font-size: 1.15rem; }
.press-card p { color: var(--text-muted); line-height: 1.6; }
.press-card a { color: var(--oro-dark); font-weight: 700; font-size: 0.9rem; }

/* Botón de volver en sub-páginas */
.subnav-back { white-space: nowrap; }

/* Enlaces de interés (entidades) */
.enlaces-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}
.enlace-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1 1 160px;
    max-width: 180px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-top: 4px solid var(--oro);
    border-radius: 10px;
    padding: 1.25rem 1rem;
    box-shadow: var(--shadow);
    color: var(--negro);
    font-weight: 700;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.enlace-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--oro-dark);
    color: var(--negro);
}
.enlace-logo {
    height: 56px;
    max-width: 100%;
    width: auto;
    object-fit: contain;
}
.enlace-card span { font-size: 0.85rem; }

/* Con el apoyo de (logos de aliados) */
.apoyo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.5rem;
    align-items: center;
    justify-items: center;
}
.apoyo-item img {
    max-height: 90px;
    max-width: 100%;
    width: auto;
    object-fit: contain;
    filter: grayscale(0.2);
    transition: filter 0.2s ease, transform 0.2s ease;
}
.apoyo-item:hover img { filter: grayscale(0); transform: scale(1.04); }

/* Banner de apoyo técnico (PNUD · ONUDI · planetGOLD). Toda la imagen enlaza al PNUD. */
.apoyo-banner {
    max-width: 1100px;
    margin: 2rem auto 0;
    background: #ffffff;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
}
.apoyo-banner-link {
    display: block;
    line-height: 0;
    transition: transform 0.2s ease;
}
.apoyo-banner-link:hover { transform: scale(1.01); }
.apoyo-banner-link img {
    display: block;
    width: 100%;
    height: auto;
}

/* Imagen del hero como acceso al brochure (flipbook) */
.brochure-trigger {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    border-radius: 14px;
    overflow: hidden;
}
.brochure-trigger img { display: block; border-radius: 14px; }
.brochure-hint {
    position: absolute;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    background: rgba(36, 39, 50, 0.85);
    color: var(--blanco);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 8px 16px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    opacity: 0.92;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.brochure-hint i { color: var(--oro); }
.brochure-trigger:hover .brochure-hint { opacity: 1; transform: translateX(-50%) translateY(-3px); }

/* Gadget del programa: portada tipo documento que abre el flipbook */
.programa-wrap { max-width: 340px; margin: 0 auto; }
.programa-cover {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    aspect-ratio: 3 / 4;
    padding: 32px 24px;
    text-align: center;
    border: 2px solid var(--oro);
    border-radius: 14px;
    background: linear-gradient(160deg, var(--card-bg), rgba(201, 167, 81, 0.12));
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.brochure-trigger:hover .programa-cover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(20, 22, 30, 0.28); }
.programa-cover-icon { font-size: 3.2rem; color: var(--oro); }
.programa-cover-title { font-size: 1.35rem; font-weight: 800; color: var(--oro-dark); letter-spacing: 0.3px; }
.programa-cover-sub { font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }

/* Modal del flipbook */
.flipbook-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.flipbook-modal[hidden] { display: none; }
.flipbook-backdrop { position: absolute; inset: 0; background: rgba(20, 22, 30, 0.9); }
.flipbook-dialog {
    position: relative;
    z-index: 1;
    width: min(94vw, 1000px);
    height: min(90vh, 780px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.flipbook-close {
    position: absolute;
    top: -6px;
    right: 0;
    background: none;
    border: 1px solid var(--oro);
    color: var(--oro);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
}
.flipbook-close:hover { background: var(--oro); color: var(--negro); }
.flipbook-download {
    position: absolute;
    top: -6px;
    left: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 14px;
    background: var(--oro);
    border: 1px solid var(--oro);
    color: var(--negro);
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
}
.flipbook-download:hover { background: var(--oro-dark); border-color: var(--oro-dark); color: var(--negro); }
.flipbook-loading { color: var(--blanco); display: flex; align-items: center; gap: 10px; }
.flipbook-viewport {
    position: relative;
    width: 100%;
    height: calc(100% - 40px);
    display: flex;
    align-items: center;
    justify-content: center;
}
#flipbook { width: min(88vw, 900px); height: 100%; }
.flip-arrow {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid var(--oro);
    color: var(--oro);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    flex-shrink: 0;
    margin: 0 8px;
    font-size: 1rem;
}
.flip-arrow:hover { background: var(--oro); color: var(--negro); }
.flip-page-indicator { color: rgba(255, 255, 255, 0.8); font-size: 0.85rem; }

@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; gap: 1.8rem; }
    .hero-text { text-align: center; }
    .hero-image { max-width: 520px; margin: 0 auto; }
    .about-grid { grid-template-columns: 1fr; }
    .flip-arrow { position: absolute; z-index: 2; opacity: 0.85; }
    .flip-prev { left: 4px; }
    .flip-next { right: 4px; }
}

@media (max-width: 600px) {
    .landing-nav { padding: 1rem 1.2rem; }
    .nav-brand span { display: none; }
    .hero-logo { height: 140px; }
}

/* =========================================================================
   Card "Sede" clickeable + Modales (bienvenida / imagen del plano)
   ========================================================================= */
.info-card-action {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.info-card-action:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--oro);
}
.info-card-hint {
    display: inline-block;
    margin-top: 0.9rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--oro-dark);
}
.info-card-hint i { font-size: 0.8rem; margin-right: 4px; }

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(20, 22, 30, 0.78);
    opacity: 0;
    transition: opacity 0.25s ease;
}
.modal-overlay.is-open { opacity: 1; }
.modal-box {
    position: relative;
    max-width: min(920px, 96vw);
    max-height: 92vh;
    background: var(--card-bg);
    border-radius: 14px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    padding: 0.6rem;
    transform: translateY(12px) scale(0.98);
    transition: transform 0.25s ease;
    overflow: auto;
}
.modal-overlay.is-open .modal-box { transform: translateY(0) scale(1); }
.modal-welcome .modal-box { padding: 0; overflow: hidden; }
.modal-close {
    position: absolute;
    top: 8px;
    right: 10px;
    z-index: 2;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease;
}
.modal-close:hover { background: var(--oro-dark); }
.modal-image {
    display: block;
    max-width: 100%;
    max-height: 82vh;
    width: auto;
    margin: 0 auto;
    border-radius: 8px;
    object-fit: contain;
}
.modal-caption {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0.75rem 0.5rem 0.3rem;
}