/* ================================================================
   Sourdosphère — blog.css
   Style éditorial minimaliste, inspiré Medium
   ================================================================ */

:root {
    --blog-serif:  'Source Serif 4', Georgia, serif;
    --blog-sans:   'Inter', -apple-system, sans-serif;
    --blog-ink:    #1a1a1a;
    --blog-gray:   #6b6b6b;
    --blog-line:   #e8e6e1;
    --blog-bg:     #fdfcfa;
    --blog-green:  #1a3a2e;
    --blog-green-mid: #1D9E75;
}

* { box-sizing: border-box; }

.blog-body {
    margin: 0;
    font-family: var(--blog-sans);
    background: var(--blog-bg);
    color: var(--blog-ink);
    -webkit-font-smoothing: antialiased;
}

.desktop-only { display: block; }
@media (max-width: 768px) { .desktop-only { display: none !important; } }

/* ── Nav ──────────────────────────────────────────────────────── */
.blog-nav {
    border-bottom: 1px solid var(--blog-line);
    background: var(--blog-bg);
    position: sticky; top: 0; z-index: 50;
}
.blog-nav__inner {
    max-width: 1040px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.5rem;
    gap: 1.5rem;
}
.blog-nav__logo {
    font-family: var(--blog-serif);
    font-size: 1.15rem; font-weight: 700;
    color: var(--blog-ink); text-decoration: none;
    display: flex; align-items: baseline; gap: 0.5rem;
}
.blog-nav__logo span:first-of-type { color: var(--blog-green-mid); }
.blog-nav__tag {
    font-family: var(--blog-sans); font-size: 0.7rem; font-weight: 600;
    color: var(--blog-gray); text-transform: uppercase; letter-spacing: 0.6px;
    border-left: 1px solid var(--blog-line); padding-left: 0.5rem;
}

.blog-nav__links {
    display: flex; gap: 1.75rem; flex: 1;
}
.blog-nav__links a {
    font-size: 0.9rem; color: var(--blog-gray); text-decoration: none;
    font-weight: 500; transition: color 0.15s;
}
.blog-nav__links a:hover, .blog-nav__link--active { color: var(--blog-ink); }

.blog-nav__actions { display: flex; align-items: center; gap: 0.85rem; }
.blog-nav__login {
    font-size: 0.875rem; color: var(--blog-ink); text-decoration: none; font-weight: 500;
}
.blog-nav__login:hover { text-decoration: underline; }
.blog-nav__signup {
    font-size: 0.875rem; font-weight: 600; color: #fff;
    background: var(--blog-ink); padding: 0.5rem 1.1rem;
    border-radius: 20px; text-decoration: none; transition: background 0.15s;
}
.blog-nav__signup:hover { background: var(--blog-green); text-decoration: none; }
.blog-nav__app-btn {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.85rem; font-weight: 600; color: var(--blog-ink);
    text-decoration: none; padding: 0.5rem 1rem;
    border: 1px solid var(--blog-line); border-radius: 20px;
    transition: border-color 0.15s, background 0.15s;
}
.blog-nav__app-btn:hover { border-color: var(--blog-ink); background: #f5f4f1; text-decoration: none; }

/* ── Main ─────────────────────────────────────────────────────── */
.blog-main { min-height: 60vh; }

/* ── Page liste ───────────────────────────────────────────────── */
.blog-hero {
    text-align: center;
    padding: 4rem 1.5rem 2.5rem;
    max-width: 680px; margin: 0 auto;
}
.blog-hero__title {
    font-family: var(--blog-serif); font-size: 2.6rem; font-weight: 700;
    line-height: 1.15; margin: 0 0 0.85rem; letter-spacing: -0.5px;
}
.blog-hero__sub {
    font-size: 1.05rem; color: var(--blog-gray); margin: 0; line-height: 1.6;
}

/* Filtres */
.blog-filters {
    max-width: 1040px; margin: 0 auto;
    padding: 0 1.5rem 2rem;
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
    border-bottom: 1px solid var(--blog-line);
    padding-bottom: 1.5rem;
}
.blog-filters__search {
    flex: 1; min-width: 200px; max-width: 320px;
    position: relative; display: flex; align-items: center;
}
.blog-filters__search svg { position: absolute; left: 12px; color: var(--blog-gray); }
.blog-filters__search input {
    width: 100%; padding: 0.55rem 0.9rem 0.55rem 2.2rem;
    border: 1px solid var(--blog-line); border-radius: 20px;
    font-size: 0.875rem; font-family: var(--blog-sans);
    background: #fff; outline: none; transition: border-color 0.15s;
}
.blog-filters__search input:focus { border-color: var(--blog-ink); }

.blog-filters__cats { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.blog-filters__cat {
    font-size: 0.82rem; font-weight: 500; color: var(--blog-gray);
    padding: 0.4rem 0.9rem; border-radius: 20px;
    border: 1px solid var(--blog-line); text-decoration: none;
    transition: all 0.15s; background: #fff;
}
.blog-filters__cat:hover { border-color: var(--blog-ink); color: var(--blog-ink); text-decoration: none; }
.blog-filters__cat--active { background: var(--blog-ink); color: #fff; border-color: var(--blog-ink); }
.blog-filters__cat--active:hover { color: #fff; }

/* ── Grille articles éditoriale ──────────────────────────────── */
.blog-list {
    max-width: 1040px; margin: 0 auto;
    padding: 2.5rem 1.5rem 5rem;
}

/* Article vedette (premier) */
.blog-featured {
    display: grid; grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem; align-items: center;
    text-decoration: none; color: inherit;
    padding-bottom: 3rem; margin-bottom: 3rem;
    border-bottom: 1px solid var(--blog-line);
}
.blog-featured:hover { text-decoration: none; }
.blog-featured__cover {
    aspect-ratio: 4/3; border-radius: 6px; overflow: hidden;
    background: #f0eee9; order: 2;
}
.blog-featured__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-featured__cover-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 3rem; opacity: 0.25;
}
.blog-featured__body { order: 1; }
.blog-featured__category {
    font-size: 0.78rem; font-weight: 700; color: var(--blog-green-mid);
    text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.75rem; display: block;
}
.blog-featured__title {
    font-family: var(--blog-serif); font-size: 1.85rem; font-weight: 700;
    line-height: 1.2; margin: 0 0 0.85rem; color: var(--blog-ink);
}
.blog-featured__excerpt {
    font-size: 1rem; color: var(--blog-gray); line-height: 1.65; margin: 0 0 1.1rem;
}
.blog-featured__meta { font-size: 0.82rem; color: var(--blog-gray); }

/* Grille standard */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem 2rem;
}
.blog-card {
    text-decoration: none; color: inherit;
    display: flex; flex-direction: column; gap: 0.85rem;
}
.blog-card:hover { text-decoration: none; }
.blog-card__cover {
    aspect-ratio: 16/10; border-radius: 6px; overflow: hidden; background: #f0eee9;
}
.blog-card__cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s; }
.blog-card:hover .blog-card__cover img { transform: scale(1.03); }
.blog-card__cover-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 2rem; opacity: 0.25;
}
.blog-card__category {
    font-size: 0.72rem; font-weight: 700; color: var(--blog-green-mid);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.blog-card__title {
    font-family: var(--blog-serif); font-size: 1.2rem; font-weight: 700;
    line-height: 1.3; margin: 0; color: var(--blog-ink);
}
.blog-card__excerpt {
    font-size: 0.9rem; color: var(--blog-gray); line-height: 1.55;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card__meta { font-size: 0.78rem; color: var(--blog-gray); margin-top: auto; }

/* Pagination */
.blog-pagination {
    display: flex; justify-content: center; gap: 0.5rem; margin-top: 3rem;
}
.blog-pagination__btn {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.875rem; color: var(--blog-ink); text-decoration: none;
    border: 1px solid var(--blog-line); transition: all 0.15s;
}
.blog-pagination__btn:hover { border-color: var(--blog-ink); text-decoration: none; }
.blog-pagination__btn--active { background: var(--blog-ink); color: #fff; border-color: var(--blog-ink); }

.blog-empty {
    text-align: center; padding: 4rem 1.5rem; color: var(--blog-gray);
}

/* ── Article (page show) ─────────────────────────────────────── */
.blog-article {
    max-width: 720px; margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.blog-article__category {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    color: var(--blog-green-mid); text-transform: uppercase; letter-spacing: 0.5px;
    text-decoration: none; margin-bottom: 1rem;
}

.blog-article__title {
    font-family: var(--blog-serif); font-size: 2.5rem; font-weight: 700;
    line-height: 1.18; margin: 0 0 1.25rem; letter-spacing: -0.5px; color: var(--blog-ink);
}

.blog-article__meta {
    display: flex; align-items: center; gap: 0.65rem; flex-wrap: wrap;
    font-size: 0.875rem; color: var(--blog-gray);
    padding-bottom: 2rem; margin-bottom: 2rem;
    border-bottom: 1px solid var(--blog-line);
}
.blog-article__author {
    display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--blog-ink);
}
.blog-article__author img { border-radius: 50%; object-fit: cover; }

.blog-article__cover {
    margin: 0 -1.5rem 2.5rem; border-radius: 0;
}
@media (min-width: 700px) {
    .blog-article__cover { margin: 0 0 2.5rem; border-radius: 8px; overflow: hidden; }
}
.blog-article__cover img { width: 100%; max-height: 480px; object-fit: cover; display: block; }

/* Contenu éditorial — typo soignée */
.blog-article__content {
    font-family: var(--blog-serif);
    font-size: 1.25rem;
    line-height: 1.75;
    color: var(--blog-ink);
}
.blog-article__content > *:first-child { margin-top: 0; }
.blog-article__content p { margin: 0 0 1.5rem; }
.blog-article__content h2 {
    font-size: 1.65rem; font-weight: 700; margin: 2.5rem 0 1rem; line-height: 1.3;
}
.blog-article__content h3 {
    font-size: 1.3rem; font-weight: 700; margin: 2rem 0 0.85rem; line-height: 1.3;
}
.blog-article__content ul, .blog-article__content ol {
    margin: 0 0 1.5rem 1.5rem; padding: 0;
}
.blog-article__content li { margin-bottom: 0.6rem; }
.blog-article__content a {
    color: var(--blog-ink); text-decoration: underline; text-decoration-color: var(--blog-green-mid);
    text-decoration-thickness: 1.5px;
}
.blog-article__content strong { font-weight: 700; }
.blog-article__content img {
    max-width: 100%; border-radius: 6px; margin: 2rem 0; display: block;
}
.blog-article__content blockquote {
    border-left: 3px solid var(--blog-ink); padding-left: 1.25rem;
    font-style: italic; color: var(--blog-gray); margin: 2rem 0;
}

/* CTA inscription dans l'article */
.blog-article__cta {
    font-family: var(--blog-sans);
    background: var(--blog-green); border-radius: 12px;
    padding: 2.5rem; text-align: center; margin: 3rem 0;
}
.blog-article__cta h3 { color: #fff; font-size: 1.3rem; margin: 0 0 0.5rem; font-weight: 700; }
.blog-article__cta p  { color: rgba(255,255,255,0.65); font-size: 0.95rem; margin: 0 0 1.5rem; }
.blog-article__cta a {
    display: inline-block; background: #fff; color: var(--blog-green);
    font-weight: 700; padding: 0.75rem 1.75rem; border-radius: 24px;
    text-decoration: none; font-size: 0.9rem; transition: transform 0.15s;
}
.blog-article__cta a:hover { transform: translateY(-1px); text-decoration: none; }

/* Articles similaires */
.blog-related {
    font-family: var(--blog-sans);
    border-top: 1px solid var(--blog-line);
    padding-top: 2.5rem; margin-top: 2.5rem;
}
.blog-related__title {
    font-family: var(--blog-serif); font-size: 1.3rem; font-weight: 700; margin: 0 0 1.5rem;
}
.blog-related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.blog-related__item {
    display: flex; flex-direction: column; gap: 0.6rem;
    text-decoration: none; color: inherit;
}
.blog-related__item img {
    width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 6px;
}
.blog-related__item span {
    font-family: var(--blog-serif); font-size: 0.95rem; font-weight: 600; line-height: 1.35; color: var(--blog-ink);
}
.blog-related__item:hover span { text-decoration: underline; }

/* ── Footer ───────────────────────────────────────────────────── */
.blog-footer {
    font-family: var(--blog-sans);
    background: var(--blog-green); color: #fff;
    margin-top: 2rem;
}
.blog-footer__inner {
    max-width: 1040px; margin: 0 auto;
    padding: 3.5rem 1.5rem 2.5rem;
    display: flex; gap: 3rem; flex-wrap: wrap;
}
.blog-footer__brand { flex: 1; min-width: 220px; }
.blog-footer__logo {
    font-family: var(--blog-serif); font-size: 1.2rem; font-weight: 700;
    color: #fff; text-decoration: none;
}
.blog-footer__logo span { color: var(--blog-green-mid); }
.blog-footer__tagline {
    font-size: 0.85rem; color: rgba(255,255,255,0.55); margin: 0.75rem 0 0; line-height: 1.6; max-width: 280px;
}
.blog-footer__cols { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.blog-footer__col { display: flex; flex-direction: column; gap: 0.6rem; min-width: 140px; }
.blog-footer__col h4 {
    font-size: 0.78rem; font-weight: 700; color: rgba(255,255,255,0.4);
    text-transform: uppercase; letter-spacing: 0.5px; margin: 0 0 0.4rem;
}
.blog-footer__col a {
    font-size: 0.875rem; color: rgba(255,255,255,0.75); text-decoration: none;
}
.blog-footer__col a:hover { color: #fff; text-decoration: underline; }
.blog-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center; padding: 1.25rem 1.5rem;
    font-size: 0.78rem; color: rgba(255,255,255,0.4);
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 880px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-related__grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .blog-hero { padding: 2.5rem 1.25rem 2rem; }
    .blog-hero__title { font-size: 2rem; }
    .blog-featured { grid-template-columns: 1fr; gap: 1.25rem; }
    .blog-featured__cover { order: 1; }
    .blog-featured__body  { order: 2; }
    .blog-featured__title { font-size: 1.4rem; }
    .blog-article__title { font-size: 1.8rem; }
    .blog-article__content { font-size: 1.1rem; }
    .blog-footer__inner { flex-direction: column; gap: 2rem; }
}
@media (max-width: 560px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-nav__links { display: none; }
}