/* =========================================================================
   PAGE: BLOG
   Descripció: Estils per a blog.html (llistat) i blog-post.html (article)
   ========================================================================= */

/* ═══════════════════════════════════════════════════════
   1. HERO DEL BLOG
   ═══════════════════════════════════════════════════════ */

.blog-hero {
    background-color: var(--color-cream, #faf8f5);
    padding: 8rem 2rem 5rem;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.blog-hero__inner {
    max-width: 720px;
    margin: 0 auto;
}

.blog-hero__overline {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent, #e87d52);
    display: block;
    margin-bottom: 1rem;
}

.blog-hero__title {
    font-family: var(--font-heading, 'Montserrat', sans-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-black-soft, #1a1a1a);
    line-height: 1.2;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.blog-hero__desc {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-grey-muted, #888);
    margin: 0 0 2rem;
}

/* ═══════════════════════════════════════════════════════
   2. FILTRES PER CATEGORIA
   ═══════════════════════════════════════════════════════ */

.blog-filters {
    padding: 2rem 2rem 0;
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.blog-filter {
    background: none;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 100px;
    padding: 0.4rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--color-grey-muted, #666);
    transition: all 0.2s ease;
    font-family: var(--font-body, sans-serif);
}

.blog-filter:hover,
.blog-filter--active {
    background: var(--color-accent, #e87d52);
    border-color: var(--color-accent, #e87d52);
    color: var(--color-white, #fff);
}

/* ═══════════════════════════════════════════════════════
   3. GRID DE CARDS
   ═══════════════════════════════════════════════════════ */

.blog-section {
    padding: 2.5rem 2rem 6rem;
    max-width: 1140px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-white, #fff);
    border: 1px solid rgba(0, 0, 0, 0.07);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.blog-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.09);
    transform: translateY(-3px);
}

.blog-card__link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card__img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--color-cream, #faf8f5);
}

.blog-card__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.blog-card:hover .blog-card__img-wrap img {
    transform: scale(1.04);
}

.blog-card__category {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: var(--color-accent, #e87d52);
    color: var(--color-white, #fff);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 100px;
    padding: 0.25rem 0.7rem;
}

.blog-card__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.blog-card__date {
    font-size: 0.72rem;
    color: var(--color-grey-muted, #aaa);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card__title {
    font-family: var(--font-heading, 'Montserrat', sans-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-black-soft, #1a1a1a);
    line-height: 1.3;
    margin: 0;
}

.blog-card__excerpt {
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--color-grey-muted, #666);
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.blog-card__author {
    font-size: 0.75rem;
    color: var(--color-grey-muted, #aaa);
    font-style: italic;
    margin-top: 0.25rem;
}

.blog-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-grey-muted, #888);
    display: none;
}

/* ═══════════════════════════════════════════════════════
   4. ARTICLE INDIVIDUAL
   ═══════════════════════════════════════════════════════ */

.blog-post {
    max-width: 760px;
    margin: 0 auto;
    padding: 8rem 2rem 6rem;
}

.blog-post__header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.blog-post__category {
    display: inline-block;
    background: var(--color-accent, #e87d52);
    color: var(--color-white, #fff);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 100px;
    padding: 0.25rem 0.8rem;
    margin-bottom: 1rem;
}

.blog-post__title {
    font-family: var(--font-heading, 'Montserrat', sans-serif);
    font-size: clamp(1.75rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--color-black-soft, #1a1a1a);
    line-height: 1.2;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.blog-post__meta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--color-grey-muted, #aaa);
}

.blog-post__media {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 2.5rem;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* Cos del post: estils tipogràfics */
.blog-post__body {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--color-black-soft, #333);
}

.blog-post__body h2 {
    font-family: var(--font-heading, 'Montserrat', sans-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-black-soft, #1a1a1a);
    margin: 2.5rem 0 0.75rem;
    line-height: 1.3;
}

.blog-post__body h3 {
    font-family: var(--font-heading, 'Montserrat', sans-serif);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 2rem 0 0.5rem;
}

.blog-post__body p {
    margin: 0 0 1.25rem;
}

.blog-post__body ul,
.blog-post__body ol {
    margin: 0 0 1.25rem 1.5rem;
    padding: 0;
}

.blog-post__body li {
    margin-bottom: 0.5rem;
}

.blog-post__body blockquote {
    border-left: 3px solid var(--color-accent, #e87d52);
    padding-left: 1.25rem;
    font-style: italic;
    color: var(--color-grey-muted, #666);
    margin: 1.5rem 0;
}

.blog-post__footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.blog-post__back {
    font-size: 0.88rem;
    color: var(--color-accent, #e87d52);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.blog-post__back:hover {
    opacity: 0.75;
}

/* Error i loading */
.blog-error {
    text-align: center;
    padding: 3rem;
    color: var(--color-grey-muted, #888);
}

.blog-error-page {
    text-align: center;
    padding: 6rem 2rem;
    max-width: 520px;
    margin: 0 auto;
}

.blog-error-page h1 {
    font-family: var(--font-heading, 'Montserrat', sans-serif);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */

@media (max-width: 900px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-hero {
        padding: 7rem 1.25rem 3.5rem;
    }

    .blog-post {
        padding: 6rem 1.25rem 4rem;
    }
}