/* ============================================
   Sorcery Systems — Blog (index + article prose)
   Prefix: blog-* / article-* / prose
   ============================================ */

/* --- Nav override (solid bg, like ehpad/proto — no dark hero behind) --- */
.nav {
    background: #fafbfb;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.nav--scrolled {
    background: #fff;
}

/* --- Active nav link (shared with proto) --- */
.nav__link--active {
    color: var(--color-primary) !important;
    font-weight: 600 !important;
}

.nav__link--active::after {
    width: 100% !important;
}

/* ============================================
   Blog index
   ============================================ */

.blog-hero {
    position: relative;
    /* padding-top = hauteur nav (97px) + section spacing pour dégager la nav fixe */
    padding: calc(97px + var(--space-2xl)) 0 var(--space-lg);
    background: var(--color-bg);
    overflow: hidden;
}

.blog-hero__bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image:
        linear-gradient(rgba(15, 71, 73, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 71, 73, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center;
    mask-image: radial-gradient(ellipse at center top, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center top, black 20%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.blog-hero__inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.blog-hero__eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-primary);
    background: var(--color-primary-100);
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.04em;
}

.blog-hero__title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    text-wrap: balance;
}

.blog-hero__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.8;
    text-wrap: pretty;
}

.blog-list {
    padding: var(--space-xl) 0 var(--space-2xl);
    background: var(--color-bg);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 360px));
    justify-content: start;
    gap: var(--space-md);
}

/* --- Article card (whole card is a link) --- */
.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--transition);
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.blog-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.blog-card__tag {
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: var(--color-primary-100);
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.blog-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: 0.6rem;
    text-wrap: balance;
}

.blog-card__excerpt {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.blog-card__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
}

.blog-card__dot {
    opacity: 0.6;
}

.blog-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: var(--space-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition);
}

.blog-card__cta svg {
    transition: transform 0.2s ease;
}

.blog-card:hover .blog-card__cta {
    color: var(--color-primary-light);
}

.blog-card:hover .blog-card__cta svg {
    transform: translateX(4px);
}

.blog-empty {
    margin-top: var(--space-lg);
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ============================================
   Article
   ============================================ */

.article-hero {
    position: relative;
    padding: calc(97px + var(--space-xl)) 0 var(--space-lg);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}

.article-hero__bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image:
        linear-gradient(rgba(15, 71, 73, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 71, 73, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center;
    mask-image: radial-gradient(ellipse at center top, black 15%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center top, black 15%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.article-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.article-back {
    display: flex;
    width: fit-content;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    transition: color var(--transition);
}

.article-back:hover {
    color: var(--color-primary);
}

.article-back svg {
    transition: transform 0.2s ease;
}

.article-back:hover svg {
    transform: translateX(-3px);
}

.article-hero__tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: var(--color-primary-100);
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.article-hero__title {
    font-size: clamp(2rem, 4.6vw, 3rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    text-wrap: balance;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.article-meta__author {
    color: var(--color-text);
    font-weight: 500;
}

.article-meta__dot {
    opacity: 0.5;
}

/* --- Prose body --- */
.article-body {
    padding: var(--space-xl) 0 var(--space-2xl);
    background: var(--color-bg);
}

.prose {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--color-text);
    text-wrap: pretty;
}

.prose > p,
.prose > ul,
.prose > ol {
    margin-bottom: var(--space-md);
}

.prose__lead {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.prose h2 {
    font-size: clamp(1.5rem, 3vw, 1.9rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
    text-wrap: balance;
    scroll-margin-top: 110px;
}

.prose h2::before {
    content: '';
    display: block;
    width: 44px;
    height: 3px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    margin-bottom: var(--space-md);
}

.prose h3 {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    margin-top: var(--space-lg);
    margin-bottom: 0.6rem;
    text-wrap: balance;
}

.prose strong {
    color: var(--color-text);
    font-weight: 600;
}

.prose em {
    font-style: italic;
}

/* Links in accent-tinted teal, accent underline, accessible contrast */
.prose a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-accent);
    text-underline-offset: 3px;
    text-decoration-thickness: 2px;
    transition: color var(--transition);
}

.prose a:hover {
    color: var(--color-primary-light);
    text-decoration-color: var(--color-primary-light);
}

/* Lists */
.prose ul,
.prose ol {
    padding-left: 0;
    list-style: none;
}

.prose ul li,
.prose ol li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.6rem;
    line-height: 1.65;
}

.prose ul li::before {
    content: '';
    position: absolute;
    left: 0.15rem;
    top: 0.62em;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--color-accent);
    transform: rotate(45deg);
}

.prose ol {
    counter-reset: prose-ol;
}

.prose ol li {
    counter-increment: prose-ol;
}

.prose ol li::before {
    content: counter(prose-ol);
    position: absolute;
    left: 0;
    top: 0.05em;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Blockquote / pull-quote */
.prose blockquote {
    margin: var(--space-lg) 0;
    padding: var(--space-xs) 0 var(--space-xs) var(--space-md);
    border-left: 3px solid var(--color-accent);
    font-size: 1.2rem;
    line-height: 1.6;
    font-weight: 500;
    font-style: italic;
    color: var(--color-primary);
    text-wrap: pretty;
}

/* Inline code */
.prose code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    color: var(--color-primary-dark);
    background: var(--color-primary-50);
    border: 1px solid var(--color-border);
    padding: 0.1rem 0.38rem;
    border-radius: 6px;
    word-break: break-word;
}

/* Code blocks: dark teal, mono, horizontal scroll */
.prose pre {
    margin: var(--space-md) 0 var(--space-lg);
    background: var(--color-primary-dark);
    border: 1px solid #114a4b;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-md);
    overflow-x: auto;
    box-shadow: var(--shadow-md);
}

.prose pre code {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.65;
    color: #e7f2f0;
    background: none;
    border: none;
    padding: 0;
    border-radius: 0;
    white-space: pre;
    word-break: normal;
}

/* Comment token inside code blocks */
.prose__c {
    color: #6fb3a6;
    font-style: italic;
}

/* ============================================
   Article CTA (dark teal card, like proto-cta)
   ============================================ */

.article-cta {
    background: var(--color-primary-dark);
    padding: var(--space-2xl) 0;
    position: relative;
    overflow: hidden;
}

.article-cta__card {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 var(--space-md);
}

.article-cta__eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: #0e4542;
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.article-cta__title {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--space-sm);
    line-height: 1.25;
    text-wrap: balance;
}

.article-cta__desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
    text-wrap: pretty;
}

.article-cta__actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.article-cta .btn--primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.article-cta .btn--primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(45, 212, 168, 0.3);
}

.article-cta .btn--outline {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.25);
}

.article-cta .btn--outline:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.5);
}

/* --- Scroll reveal --- */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-hero {
        padding: calc(80px + var(--space-xl)) 0 var(--space-md);
    }

    .article-hero {
        padding: calc(80px + var(--space-lg)) 0 var(--space-md);
    }

    .prose {
        font-size: 1rem;
    }

    .prose__lead {
        font-size: 1.1rem;
    }

    .article-body {
        padding: var(--space-lg) 0 var(--space-xl);
    }

    .article-cta__actions {
        flex-direction: column;
        align-items: center;
    }

    .article-cta__actions .btn {
        width: 100%;
        max-width: 320px;
    }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .blog-card,
    .blog-card__cta svg,
    .article-back svg {
        transition: none;
    }
}