/* ==========================================================================
   Blog listing — premium refonte (Phase 7.9)
   Charte Deep Navy + Electric Teal. Variables uniquement, zéro hex hardcodé.
   ========================================================================== */


/* ============================== HERO ============================== */
.blog-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(5rem, 11vw, 8rem) var(--space-4) var(--rhythm-block);
    background:
        radial-gradient(ellipse at 80% 20%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%),
        radial-gradient(ellipse at 10% 90%, color-mix(in srgb, var(--primary-soft) 55%, transparent), transparent 60%),
        linear-gradient(180deg, var(--primary) 0%, var(--primary-soft) 130%);
    color: var(--gray-200);
}
.blog-hero__inner {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.blog-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 var(--space-5);
}
.blog-hero__dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent);
}

.blog-hero__title {
    font-family: var(--font-display);
    font-size: var(--fs-display);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 var(--space-5);
    color: var(--white);
}
.blog-hero__title em {
    font-style: italic;
    background: linear-gradient(135deg, var(--gray-400) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.blog-hero__lead {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.6;
    color: var(--gray-400);
    margin: 0 auto var(--space-8);
    max-width: 640px;
}

/* ----- Stats inline ----- */
.blog-hero__stats {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3) var(--space-6);
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    color: var(--gray-300);
    margin: 0 auto var(--space-8);
}
.blog-hero__stats strong {
    color: var(--accent-hover);
    font-weight: 600;
}
.blog-hero__stats span {
    color: color-mix(in srgb, var(--gray-400) 60%, transparent);
}

/* ----- Search (dans hero) ----- */
.blog-search {
    position: relative;
    max-width: 520px;
    margin: 0 auto;
}
.blog-search__icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}
.blog-search__input {
    width: 100%;
    padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + 24px + var(--space-3));
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--white);
    background: color-mix(in srgb, var(--white) 6%, transparent);
    border: 1px solid color-mix(in srgb, var(--white) 14%, transparent);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    transition: border-color 200ms ease, background 200ms ease, box-shadow 200ms ease;
}
.blog-search__input::placeholder { color: var(--gray-400); }
.blog-search__input:focus {
    outline: none;
    border-color: var(--accent);
    background: color-mix(in srgb, var(--white) 10%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}


/* ============================== FILTERS ============================== */
.blog-filters {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--rhythm-block) var(--space-4) var(--space-6);
}
.blog-filters__row {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: var(--space-2);
}
.blog-filters__row::-webkit-scrollbar { display: none; }

.blog-filter {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-5);
    font-family: var(--font-body);
    font-size: var(--fs-caption);
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}
.blog-filter:hover {
    color: var(--accent-deep);
    border-color: var(--accent-deep);
}
.blog-filter.is-active {
    color: var(--primary);
    background: var(--accent);
    border-color: var(--accent);
}
.blog-filter:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}


/* ============================== FEATURED ============================== */
.blog-featured-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4) var(--rhythm-block);
}
.blog-featured {
    position: relative;
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.blog-featured:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
    box-shadow: 0 12px 40px color-mix(in srgb, var(--primary) 12%, transparent);
}
.blog-featured__media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--bg-elevated);
}
.blog-featured__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 600ms ease;
}
.blog-featured:hover .blog-featured__media img { transform: scale(1.04); }
.blog-featured__media--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-soft) 100%);
    color: var(--accent);
}
.blog-featured__media--empty svg { width: 64px; height: 64px; }

.blog-featured__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-8);
}
.blog-featured__pill {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-deep);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
    border-radius: var(--radius-full);
}
.blog-featured__title {
    font-family: var(--font-display);
    font-size: clamp(1.375rem, 2.5vw, 1.75rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin: 0;
}
.blog-featured__title a {
    color: inherit;
    text-decoration: none;
    outline: none;
}
.blog-featured__title a::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}
.blog-featured__excerpt {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-featured__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--fs-caption);
    color: var(--text-tertiary);
}
.blog-featured__meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}
.blog-featured__author {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-weight: 500;
}
.blog-featured__avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background: var(--bg-elevated);
}
.blog-featured__cta {
    align-self: flex-start;
    margin-top: var(--space-2);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--accent);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: background 200ms ease, transform 200ms ease;
    position: relative;
    z-index: 2;
}
.blog-featured__cta:hover {
    background: var(--accent-hover);
    transform: translateX(2px);
}
.blog-featured__cta:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}


/* ============================== GRID ============================== */
.blog-grid-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4) var(--rhythm-section);
}
.blog-grid-section__heading {
    font-family: var(--font-mono);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin: 0 0 var(--rhythm-element);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.blog-grid-section__heading::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* ----- Card ----- */
.blog-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.blog-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
    box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 10%, transparent);
}
.blog-card:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.blog-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-elevated);
}
.blog-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 500ms ease;
}
.blog-card:hover .blog-card__media img { transform: scale(1.04); }
.blog-card__media--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, var(--bg-elevated)), color-mix(in srgb, var(--accent) 18%, var(--bg-elevated)));
    color: var(--accent-deep);
}
.blog-card__media--empty svg { width: 48px; height: 48px; }

.blog-card__pill {
    position: absolute;
    left: var(--space-3);
    bottom: var(--space-3);
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--white);
    border-radius: var(--radius-full);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--primary) 18%, transparent);
    z-index: 2;
}

.blog-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-5);
    flex: 1;
}
.blog-card__title {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.005em;
    color: var(--text-primary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card__title a {
    color: inherit;
    text-decoration: none;
    outline: none;
}
.blog-card__title a::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}
.blog-card__excerpt {
    font-size: var(--fs-caption);
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card__footer {
    margin-top: auto;
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}
.blog-card__meta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
}
.blog-card__meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}
.blog-card__author {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-weight: 500;
}
.blog-card__avatar {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background: var(--bg-elevated);
}


/* ============================== HIDDEN OVERRIDE ============================== */
/* L'UA pose [hidden] { display: none } mais nos rules .blog-card { display: flex }
   et .blog-featured { display: grid } ont une spécificité supérieure et l'écrasent.
   On force le masquage via [hidden] pour conserver le pattern accessible standard. */
.blog-card[hidden],
.blog-featured[hidden],
.blog-empty[hidden],
.blog-load-more[hidden] { display: none !important; }


/* ============================== LOAD MORE ============================== */
.blog-load-more {
    display: flex;
    justify-content: center;
    padding-top: var(--rhythm-block);
}
.blog-load-more__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 200ms ease, background 200ms ease, transform 200ms ease;
}
.blog-load-more__btn:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, var(--bg-surface));
    transform: translateY(-1px);
}
.blog-load-more__btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.blog-load-more__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-deep);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    border-radius: var(--radius-full);
}


/* ============================== EMPTY ============================== */
.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--rhythm-section) var(--space-4);
    color: var(--text-tertiary);
}
.blog-empty__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    color: var(--text-tertiary);
}
.blog-empty h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 var(--space-2);
}
.blog-empty p { font-size: var(--fs-caption); margin: 0; }


/* ============================== RESPONSIVE ============================== */

/* Tablette (768–1023) : 2 colonnes */
@media (max-width: 1023px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-featured { grid-template-columns: 1fr; }
    .blog-featured__media { aspect-ratio: 16 / 8; }
    .blog-featured__body { padding: var(--space-6); }
}

/* Mobile (<768) : 1 colonne, hero plus compact */
@media (max-width: 767px) {
    .blog-hero {
        padding: clamp(4rem, 14vw, 6rem) var(--space-4) var(--space-8);
    }
    .blog-grid { grid-template-columns: 1fr; gap: var(--space-5); }
    .blog-featured__body { padding: var(--space-5); }
    .blog-filters { padding: var(--space-6) var(--space-4) var(--space-5); }
}

/* Très petit mobile (<480) : marges resserrées */
@media (max-width: 479px) {
    .blog-hero__stats { gap: var(--space-2) var(--space-4); }
    .blog-featured__title { font-size: 1.25rem; }
    .blog-card__body { padding: var(--space-4); }
}


/* ============================== DARK MODE ============================== */
[data-theme="dark"] .blog-featured,
[data-theme="dark"] .blog-card {
    background: var(--bg-surface);
    border-color: var(--border);
}
[data-theme="dark"] .blog-featured:hover,
[data-theme="dark"] .blog-card:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: 0 8px 24px color-mix(in srgb, var(--primary-dark) 35%, transparent);
}
[data-theme="dark"] .blog-card__pill {
    background: color-mix(in srgb, var(--white) 92%, var(--accent));
    color: var(--primary);
}
[data-theme="dark"] .blog-featured__title,
[data-theme="dark"] .blog-card__title {
    color: var(--text-primary);
}
[data-theme="dark"] .blog-card__media--empty {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--bg-surface)), color-mix(in srgb, var(--accent) 22%, var(--bg-surface)));
    color: var(--accent-hover);
}

/* Fallback prefers-color-scheme (si user n'a pas explicitement choisi un thème) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .blog-featured,
    :root:not([data-theme="light"]) .blog-card {
        background: var(--bg-surface);
        border-color: var(--border);
    }
    :root:not([data-theme="light"]) .blog-card__pill {
        background: color-mix(in srgb, var(--white) 92%, var(--accent));
        color: var(--primary);
    }
}


/* ============================== PRINT ============================== */
@media print {
    .blog-hero,
    .blog-filters,
    .blog-search,
    .blog-featured__cta,
    .blog-card__pill { display: none !important; }
    .blog-grid { grid-template-columns: 1fr; gap: 1rem; }
    .blog-card,
    .blog-featured {
        page-break-inside: avoid;
        border: 1px solid #ccc;
        box-shadow: none !important;
        transform: none !important;
    }
}


/* ============================== PREFERS-REDUCED-MOTION ============================== */
@media (prefers-reduced-motion: reduce) {
    .blog-featured,
    .blog-card,
    .blog-featured__media img,
    .blog-card__media img,
    .blog-featured__cta {
        transition: none !important;
        transform: none !important;
    }
    .blog-featured:hover,
    .blog-card:hover { transform: none !important; }
    .blog-featured:hover .blog-featured__media img,
    .blog-card:hover .blog-card__media img { transform: none !important; }
}