/* ================================================
   articulo.css  —  Estilos del artículo individual
   Depende de: estilo.css + blog.css
   ================================================ */

/* ---- CABECERA ---- */
.art-header {
    padding-top: 110px;
    padding-bottom: 3rem;
    background-color: var(--crema);
}

.art-header-inner {
    max-width: 800px;
}

.art-breadcrumb {
    font-size: 0.8rem;
    color: var(--gris-medio);
    margin-bottom: 1rem;
}

    .art-breadcrumb a {
        color: var(--verde-medio);
        text-decoration: none;
        font-weight: 500;
    }

        .art-breadcrumb a:hover {
            text-decoration: underline;
        }

.art-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--verde-oscuro);
    line-height: 1.2;
    margin: 1rem 0 1.2rem;
    font-weight: 700;
}

.art-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    font-size: 0.8rem;
    color: var(--gris-medio);
}

    .art-meta i {
        color: var(--verde-claro);
        margin-right: 0.3rem;
    }

/* ---- IMAGEN PRINCIPAL ---- */
.art-imagen-principal {
    background: var(--blanco);
    padding: 2rem 0;
}

.art-figura-principal {
    max-width: 860px;
    margin: 0 auto;
}

.art-img-wrap {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16/7;
    background: linear-gradient(135deg, var(--verde-oscuro), var(--verde-medio));
}

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

.art-img-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255,255,255,0.2);
}

.art-figura-principal figcaption {
    margin-top: 0.7rem;
    font-size: 0.8rem;
    color: var(--gris-medio);
    text-align: center;
    font-style: italic;
}

/* ---- LAYOUT ARTÍCULO + SIDEBAR ---- */
.art-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 4rem;
    align-items: start;
    padding-top: 4rem;
    padding-bottom: 2rem;
}

/* ---- CUERPO ---- */
.art-cuerpo {
    max-width: 680px;
}

.art-intro {
    font-size: 1.15rem;
    font-family: var(--fuente-titulo);
    font-style: italic;
    color: var(--verde-oscuro);
    line-height: 1.75;
    margin-bottom: 2.5rem;
    padding-left: 1.5rem;
    border-left: 3px solid var(--verde-claro);
}

.art-cuerpo h2 {
    font-family: var(--fuente-titulo);
    font-size: 1.4rem;
    color: var(--verde-oscuro);
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
}

.art-cuerpo h3 {
    font-family: var(--fuente-titulo);
    font-size: 1.15rem;
    color: var(--verde-oscuro);
    margin: 2rem 0 0.8rem;
}

.art-cuerpo p {
    font-size: 1rem;
    color: var(--gris-medio);
    line-height: 1.85;
    margin-bottom: 1.2rem;
}

.art-lista {
    list-style: none;
    margin: 0.5rem 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

    .art-lista li {
        font-size: 0.95rem;
        color: var(--gris-medio);
        line-height: 1.65;
        padding-left: 1.4rem;
        position: relative;
    }

        .art-lista li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--verde-medio);
        }

/* Figuras embebidas */
.art-figura {
    margin: 2.5rem 0;
}

.art-fig-img-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/8;
    background: linear-gradient(135deg, #1a5c3a, var(--verde-medio));
}

    .art-fig-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

.art-fig-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: rgba(255,255,255,0.2);
}

.art-figura figcaption {
    margin-top: 0.6rem;
    font-size: 0.8rem;
    color: var(--gris-medio);
    font-style: italic;
    text-align: center;
    line-height: 1.5;
}

/* Resumen visual */
.art-resumen {
    background: var(--crema);
    border-radius: 14px;
    padding: 1.75rem 2rem;
    margin-top: 3rem;
    border-left: 4px solid var(--verde-medio);
}

    .art-resumen h3 {
        font-size: 0.85rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--verde-medio);
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .art-resumen ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0.6rem;
    }

    .art-resumen li {
        font-size: 0.875rem;
        color: var(--gris-oscuro);
        line-height: 1.5;
        padding-left: 1.2rem;
        position: relative;
    }

        .art-resumen li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--verde-medio);
            font-weight: 700;
        }

/* Sidebar sticky */
.art-sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.art-sidebar-relacionados {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

    .art-sidebar-relacionados a {
        font-size: 0.875rem;
        color: var(--verde-oscuro);
        text-decoration: none;
        line-height: 1.45;
        display: block;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid rgba(12,62,38,0.07);
        transition: color 0.2s;
    }

        .art-sidebar-relacionados a:hover {
            color: var(--verde-medio);
        }

    .art-sidebar-relacionados li:last-child a {
        border-bottom: none;
    }

/* ---- NOTA DEL AUTOR ---- */
.art-nota-autor {
    background-color: var(--crema);
    padding: 3rem 0;
}

.art-nota-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--blanco);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(12,62,38,0.07);
    max-width: 860px;
    margin: 0 auto;
}

.art-nota-foto-wrap {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--verde-claro);
    position: relative;
}

.art-nota-foto {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.art-nota-foto-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--verde-oscuro);
    opacity: 0.4;
}

.art-nota-texto strong {
    display: block;
    font-family: var(--fuente-titulo);
    font-size: 1rem;
    color: var(--verde-oscuro);
    margin-bottom: 0.4rem;
}

.art-nota-texto p {
    font-size: 0.875rem;
    color: var(--gris-medio);
    line-height: 1.65;
    margin: 0;
}

/* ---- CTA FINAL DEL ARTÍCULO ---- */
.art-cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--verde-oscuro), #1a5c3a);
}

.art-cta-inner {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.art-cta-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: var(--blanco);
    margin-bottom: 0.7rem;
    line-height: 1.3;
}

.art-cta p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 2rem;
}

.art-cta-botones {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
    .art-layout {
        grid-template-columns: 1fr;
    }

    .art-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .art-sidebar {
        grid-template-columns: 1fr;
    }

    .art-nota-inner {
        flex-direction: column;
        text-align: center;
    }
}