/* =========================================================
   VOLTICA BLOG — VOLTICABLOG.CSS
   Next-gen editorial design. Purist. Minimalist. Memorable.
   Version 2.0 — Optimized & Unified
   ========================================================= */


/* =========================================================
   1. TOKENS & VARIABLES
   Harmonisés avec index.css / store.css
   ========================================================= */

:root {
    /* Colors */
    --blog-black: #050505;
    --blog-white: #ffffff;
    --blog-white-soft: rgba(255, 255, 255, 0.72);
    --blog-white-muted: rgba(255, 255, 255, 0.50);
    --blog-white-faint: rgba(255, 255, 255, 0.28);
    --blog-white-ghost: rgba(255, 255, 255, 0.08);

    /* Glass */
    --blog-glass: rgba(255, 255, 255, 0.055);
    --blog-glass-strong: rgba(255, 255, 255, 0.09);
    --blog-glass-border: rgba(255, 255, 255, 0.12);

    /* Radius */
    --blog-radius-small: 12px;
    --blog-radius: 20px;
    --blog-radius-large: 28px;
    --blog-radius-xl: 34px;

    /* Motion */
    --blog-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --blog-ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --blog-ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --blog-duration: 0.4s;
    --blog-duration-slow: 0.7s;

    /* Layout */
    --blog-content-max: 1180px;
    --blog-reader-max: 720px;

    /* Typography */
    --blog-font-display: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
    --blog-font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    /* Z-index */
    --z-bg: 0;
    --z-content: 2;
    --z-sticky: 50;
    --z-header: 1000;
    --z-skip: 2000;

    /* Safe areas */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}


/* =========================================================
   2. PERFORMANCE OPTIMIZATIONS
   ========================================================= */

/* GPU acceleration for animated elements */
.blog-hero-inner,
.featured-article-card,
.blog-card,
.blog-newsletter-card,
.article-nav-link {
    will-change: transform;
    transform: translateZ(0);
}

/* Contain layout for better rendering */
.blog-featured,
.blog-grid-section,
.article-reader-section {
    contain: layout style;
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
}

.blog-card {
    contain: layout style paint;
}

/* Lazy render below-fold sections */
.article-reader-section {
    content-visibility: auto;
    contain-intrinsic-size: auto 1200px;
}

.blog-newsletter {
    content-visibility: auto;
    contain-intrinsic-size: auto 400px;
}


/* =========================================================
   3. BASE & LAYOUT
   ========================================================= */

.blog-main {
    position: relative;
    z-index: var(--z-content);
    width: min(var(--blog-content-max), calc(100% - 48px));
    margin: 0 auto;
    padding-top: calc(140px + var(--safe-top));
    isolation: isolate;
}

/* Custom scrollbar for blog */
.blog-main ::-webkit-scrollbar {
    width: 8px;
}

.blog-main ::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}

.blog-main ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 99px;
}

.blog-main ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}


/* =========================================================
   4. BLOG HERO — ÉDITORIAL & CINÉMATIQUE
   ========================================================= */

.blog-hero {
    position: relative;
    padding: 60px 0 70px;
    text-align: center;
}

.blog-hero-inner {
    max-width: 820px;
    margin: 0 auto;
    animation: blogHeroFadeUp 1s var(--blog-ease) both;
}

.blog-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
    padding: 7px 16px;
    border: 1px solid var(--blog-glass-border);
    border-radius: 999px;
    background: var(--blog-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--blog-white-soft);
    font-family: var(--blog-font-display);
    font-size: 10px;
    letter-spacing: 0.28em;
    font-weight: 600;
}

.blog-hero h1 {
    margin: 0 0 28px;
    font-family: var(--blog-font-display);
    font-size: clamp(44px, 7vw, 88px);
    line-height: 0.92;
    letter-spacing: -0.065em;
    font-weight: 800;
    background: linear-gradient(180deg, #ffffff 0%, #b8b8b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blog-hero-subtitle {
    max-width: 540px;
    margin: 0 auto;
    font-family: var(--blog-font-body);
    font-size: clamp(14px, 1.6vw, 17px);
    line-height: 1.75;
    color: var(--blog-white-muted);
    font-weight: 400;
}


/* =========================================================
   5. CATEGORIES NAV — CHIPS GLASSMORPHIQUES
   ========================================================= */

.blog-categories {
    position: sticky;
    top: calc(88px + var(--safe-top));
    z-index: var(--z-sticky);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 0 -24px;
    padding: 16px 24px 20px;
    background: rgba(5, 5, 5, 0.72);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.blog-category-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    overflow: hidden;
    padding: 10px 22px;
    border: 1px solid var(--blog-glass-border);
    border-radius: 999px;
    background: var(--blog-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--blog-white-muted);
    font-family: var(--blog-font-display);
    font-size: 11px;
    letter-spacing: 0.12em;
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    transition: all var(--blog-duration) var(--blog-ease);
}

.blog-category-chip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.15) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s var(--blog-ease);
}

.blog-category-chip:hover {
    color: var(--blog-white);
    border-color: rgba(255, 255, 255, 0.28);
    background: var(--blog-glass-strong);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.06);
}

.blog-category-chip:hover::before {
    transform: translateX(100%);
}

.blog-category-chip.active {
    background: var(--blog-white);
    color: var(--blog-black);
    border-color: var(--blog-white);
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.15);
}


/* =========================================================
   6. FEATURED ARTICLE — IMMERSION ÉDITORIALE
   ========================================================= */

.blog-featured {
    padding: 40px 0 80px;
}

.featured-article-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius-large);
    background: linear-gradient(135deg, var(--blog-glass-strong), var(--blog-glass));
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow:
        0 35px 100px rgba(0, 0, 0, 0.65),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transition:
        transform var(--blog-duration) var(--blog-ease),
        box-shadow var(--blog-duration) var(--blog-ease);
}

.featured-article-card:hover {
    transform: translateY(-6px);
    box-shadow:
        0 50px 130px rgba(0, 0, 0, 0.75),
        0 0 50px rgba(255, 255, 255, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.featured-article-media {
    position: relative;
    display: block;
    overflow: hidden;
    min-height: 420px;
    background: #0a0a0a;
}

.featured-article-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.85) contrast(1.05);
    transition:
        transform 1.2s var(--blog-ease),
        filter 0.6s ease;
}

.featured-article-card:hover .featured-article-media img {
    transform: scale(1.05);
    filter: saturate(1) contrast(1.08);
}

.featured-article-media::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, transparent 60%, rgba(5, 5, 5, 0.4) 100%);
}

.featured-article-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 50px 48px;
}


/* =========================================================
   7. ARTICLE META — SIGNATURE ÉDITORIALE
   ========================================================= */

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    font-family: var(--blog-font-display);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--blog-white-muted);
}

.article-category {
    padding: 4px 12px;
    border: 1px solid var(--blog-glass-border);
    border-radius: 999px;
    background: var(--blog-glass);
    color: var(--blog-white);
    font-weight: 700;
    letter-spacing: 0.22em;
}

.article-dot {
    flex: 0 0 auto;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--blog-white-faint);
}

.article-read-time {
    color: var(--blog-white-faint);
}


/* =========================================================
   8. FEATURED CONTENT TYPOGRAPHY
   ========================================================= */

.featured-article-title {
    margin: 0 0 20px;
    font-family: var(--blog-font-display);
    font-size: clamp(26px, 3.2vw, 38px);
    line-height: 1.1;
    letter-spacing: -0.04em;
    font-weight: 800;
}

.featured-article-title a {
    color: var(--blog-white);
    text-decoration: none;
    background-image: linear-gradient(180deg, transparent 60%, rgba(255, 255, 255, 0.15) 60%);
    background-size: 0% 100%;
    background-repeat: no-repeat;
    transition: background-size 0.5s var(--blog-ease);
}

.featured-article-title a:hover {
    background-size: 100% 100%;
}

.featured-article-excerpt {
    margin: 0 0 28px;
    font-family: var(--blog-font-body);
    font-size: 14px;
    line-height: 1.8;
    color: var(--blog-white-muted);
}

.featured-article-footer {
    margin-top: auto;
}


/* =========================================================
   9. READ ARTICLE LINK — GLASSMORPHIC BUTTON
   ========================================================= */

.read-article-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    padding: 14px 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--blog-radius-small);
    background: var(--blog-white);
    color: var(--blog-black);
    font-family: var(--blog-font-display);
    font-size: 11px;
    letter-spacing: 0.12em;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.4s var(--blog-ease);
}

.read-article-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.4s var(--blog-ease);
}

.read-article-link::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.read-article-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.18);
}

.read-article-link:hover svg {
    transform: translateX(4px);
}

.read-article-link:hover::before {
    left: 100%;
}


/* =========================================================
   10. BLOG GRID SECTION
   ========================================================= */

.blog-grid-section {
    padding: 40px 0 90px;
}

.blog-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-section-header h2 {
    margin: 0;
    font-family: var(--blog-font-display);
    font-size: clamp(28px, 4vw, 42px);
    letter-spacing: -0.05em;
    font-weight: 700;
}

.blog-section-count {
    font-family: var(--blog-font-display);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blog-white-faint);
    font-weight: 600;
}


/* =========================================================
   11. BLOG GRID — CARDS MINIMALISTES
   ========================================================= */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius);
    background: linear-gradient(160deg, var(--blog-glass-strong), var(--blog-glass));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition:
        transform var(--blog-duration) var(--blog-ease),
        box-shadow var(--blog-duration) var(--blog-ease),
        border-color var(--blog-duration) var(--blog-ease);
}

.blog-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.22);
    box-shadow:
        0 40px 100px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(255, 255, 255, 0.03),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.blog-card-media {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #0a0a0a;
}

.blog-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.8) contrast(1.05);
    transition:
        transform 1s var(--blog-ease),
        filter 0.6s ease;
}

.blog-card:hover .blog-card-media img {
    transform: scale(1.06);
    filter: saturate(1) contrast(1.1);
}

.blog-card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 60%, rgba(5, 5, 5, 0.3) 100%);
}

.blog-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 28px;
}

.blog-card-title {
    margin: 0 0 14px;
    font-family: var(--blog-font-display);
    font-size: 20px;
    line-height: 1.3;
    letter-spacing: -0.03em;
    font-weight: 700;
}

.blog-card-title a {
    color: var(--blog-white);
    text-decoration: none;
    background-image: linear-gradient(180deg, transparent 65%, rgba(255, 255, 255, 0.18) 65%);
    background-size: 0% 100%;
    background-repeat: no-repeat;
    transition: background-size 0.5s var(--blog-ease);
}

.blog-card-title a:hover {
    background-size: 100% 100%;
}

.blog-card-excerpt {
    flex: 1;
    margin: 0 0 20px;
    font-family: var(--blog-font-body);
    font-size: 13px;
    line-height: 1.75;
    color: var(--blog-white-muted);
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-family: var(--blog-font-display);
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blog-white-faint);
    font-weight: 600;
}


/* =========================================================
   12. ARTICLE READER — LECTURE IMMERSIVE
   ========================================================= */

.article-reader-section {
    width: min(var(--blog-reader-max), 100%);
    margin: 0 auto;
    padding: 40px 0 100px;
    scroll-margin-top: 120px;
}

.article-reader-header {
    margin-bottom: 48px;
    text-align: center;
}

.article-reader-title {
    margin: 0 0 24px;
    font-family: var(--blog-font-display);
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.05;
    letter-spacing: -0.05em;
    font-weight: 800;
    background: linear-gradient(180deg, #ffffff 0%, #a8a8a8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.article-reader-deck {
    max-width: 580px;
    margin: 0 auto 32px;
    font-family: var(--blog-font-body);
    font-size: clamp(15px, 1.8vw, 18px);
    line-height: 1.7;
    color: var(--blog-white-soft);
    font-weight: 400;
}

.article-reader-author {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 10px 20px 10px 10px;
    border: 1px solid var(--blog-glass-border);
    border-radius: 999px;
    background: var(--blog-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.author-avatar {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff, #888888);
    color: var(--blog-black);
    display: grid;
    place-items: center;
    font-family: var(--blog-font-display);
    font-weight: 800;
    font-size: 16px;
}

.author-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.author-name {
    font-family: var(--blog-font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--blog-white);
}

.author-role {
    font-family: var(--blog-font-body);
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blog-white-faint);
    font-weight: 600;
}


/* =========================================================
   13. ARTICLE MEDIA & BODY
   ========================================================= */

.article-reader-media {
    margin: 0 0 48px;
    overflow: hidden;
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius-large);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.article-reader-media img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.article-reader-media figcaption {
    padding: 16px 24px;
    background: var(--blog-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: var(--blog-font-body);
    font-size: 12px;
    line-height: 1.6;
    color: var(--blog-white-muted);
    text-align: center;
    font-style: italic;
}

.article-reader-body {
    font-family: var(--blog-font-body);
    font-size: 16px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.78);
}

.article-reader-body p {
    margin: 0 0 28px;
}

.article-reader-body h2 {
    margin: 48px 0 20px;
    font-family: var(--blog-font-display);
    font-size: clamp(24px, 3vw, 30px);
    line-height: 1.2;
    letter-spacing: -0.035em;
    font-weight: 700;
    color: var(--blog-white);
}


/* =========================================================
   14. ARTICLE BODY — LISTS
   ========================================================= */

.article-reader-body ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 0 0 28px;
    padding: 0;
    list-style: none;
}

.article-reader-body li {
    position: relative;
    padding-left: 26px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.78);
}

.article-reader-body li::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

.article-reader-body li strong {
    color: #ffffff;
    font-weight: 700;
}


/* =========================================================
   15. BLOCKQUOTE
   ========================================================= */

.article-reader-body blockquote {
    position: relative;
    margin: 48px 0;
    padding: 32px 40px;
    border-left: 3px solid var(--blog-white);
    border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
    background: linear-gradient(135deg, var(--blog-glass-strong), var(--blog-glass));
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.article-reader-body blockquote::before {
    content: "\201C";
    position: absolute;
    top: 8px;
    left: 20px;
    font-family: var(--blog-font-display);
    font-size: 60px;
    line-height: 1;
    color: var(--blog-white-faint);
    font-weight: 800;
}

.article-reader-body blockquote p {
    margin: 0 0 16px;
    font-family: var(--blog-font-display);
    font-size: 18px;
    line-height: 1.6;
    color: var(--blog-white);
    font-weight: 500;
    font-style: italic;
}

.article-reader-body blockquote cite {
    display: block;
    font-family: var(--blog-font-body);
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blog-white-muted);
    font-style: normal;
    font-weight: 600;
}

.article-reader-body blockquote cite a {
    color: var(--blog-white);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: border-color 0.3s ease;
}

.article-reader-body blockquote cite a:hover {
    border-color: #ffffff;
}


/* =========================================================
   16. PULL LINES — PHRASES MANIFESTES
   ========================================================= */

.article-pull-line {
    margin: 36px 0;
    padding-left: 20px;
    border-left: 2px solid rgba(255, 255, 255, 0.5);
    font-family: var(--blog-font-display);
    font-size: clamp(19px, 2.4vw, 24px);
    line-height: 1.4;
    letter-spacing: -0.02em;
    font-weight: 600;
    color: #ffffff;
}


/* =========================================================
   17. ARTICLE FIGURES — PHOTOS INSÉRÉES
   ========================================================= */

.article-figure {
    margin: 44px 0;
    overflow: hidden;
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.5);
}

.article-figure img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform 1s var(--blog-ease);
}

.article-figure:hover img {
    transform: scale(1.03);
}

.article-figure figcaption {
    padding: 14px 22px;
    background: var(--blog-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: var(--blog-font-body);
    font-size: 12px;
    line-height: 1.6;
    color: var(--blog-white-muted);
    text-align: center;
    font-style: italic;
}


/* =========================================================
   18. SPEC TABLE — TABLEAU TECHNIQUE GLASS
   ========================================================= */

.article-spec-wrap {
    margin: 8px 0 20px;
    overflow: hidden;
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius);
    background: var(--blog-glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.article-spec-table {
    width: 100%;
    border-collapse: collapse;
}

.article-spec-table th,
.article-spec-table td {
    padding: 14px 22px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    vertical-align: top;
}

.article-spec-table tr:last-child th,
.article-spec-table tr:last-child td {
    border-bottom: none;
}

.article-spec-table th {
    width: 40%;
    background: rgba(255, 255, 255, 0.03);
    font-family: var(--blog-font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #ffffff;
}

.article-spec-table td {
    font-family: var(--blog-font-body);
    font-size: 13px;
    line-height: 1.6;
    color: var(--blog-white-muted);
}

.article-spec-note {
    margin: 0 0 28px;
    font-size: 11px;
    font-style: italic;
    color: var(--blog-white-faint);
}


/* =========================================================
   19. ARTICLE SIGNATURE
   ========================================================= */

.article-signature {
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-family: var(--blog-font-display);
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blog-white-muted);
    font-weight: 700;
}


/* =========================================================
   20. PRODUCT CTA — BOUTON GLASSMORPHIQUE
   ========================================================= */

.blog-product-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin: 40px 0;
    text-align: center;
}

.blog-product-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 34px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #ffffff;
    font-family: var(--blog-font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        0 15px 40px rgba(0, 0, 0, 0.35);
    transition: all 0.4s var(--blog-ease);
}

.blog-product-button svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s var(--blog-ease);
}

.blog-product-button:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-3px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 20px 50px rgba(255, 255, 255, 0.08);
}

.blog-product-button:hover svg {
    transform: translateX(4px);
}

.blog-product-button.blog-button-ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.25);
}

.blog-product-cta-note {
    font-family: var(--blog-font-body);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--blog-white-faint);
}


/* =========================================================
   21. LIFETIME CALLOUT — RAPPEL 15% À VIE
   ========================================================= */

.blog-lifetime-callout {
    position: relative;
    overflow: hidden;
    margin: 48px 0;
    padding: 40px 36px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--blog-radius-large);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-align: center;
}

.blog-lifetime-callout::before {
    content: "";
    position: absolute;
    top: -80px;
    left: 50%;
    width: 360px;
    height: 180px;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.06), transparent 70%);
    filter: blur(35px);
    pointer-events: none;
    transform: translateX(-50%);
}

.callout-badge {
    position: relative;
    display: inline-flex;
    margin-bottom: 18px;
    padding: 7px 16px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    font-family: var(--blog-font-display);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.18em;
    color: #ffffff;
}

.blog-lifetime-callout h3 {
    position: relative;
    margin: 0 0 12px;
    font-family: var(--blog-font-display);
    font-size: clamp(20px, 2.6vw, 28px);
    letter-spacing: -0.03em;
    font-weight: 700;
    color: #ffffff;
}

.blog-lifetime-callout p {
    position: relative;
    max-width: 520px;
    margin: 0 auto 26px;
    font-family: var(--blog-font-body);
    font-size: 13px;
    line-height: 1.8;
    color: var(--blog-white-muted);
}

.blog-lifetime-callout .blog-product-button {
    position: relative;
}


/* =========================================================
   22. ARTICLE NAVIGATION — VOYAGE FLUIDE
   ========================================================= */

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.article-nav-link {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
    padding: 24px 28px;
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius);
    background: var(--blog-glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    text-decoration: none;
    transition: all var(--blog-duration) var(--blog-ease);
}

.article-nav-link::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.08) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.7s var(--blog-ease);
}

.article-nav-link:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: var(--blog-glass-strong);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.article-nav-link:hover::before {
    transform: translateX(100%);
}

.article-nav-label {
    font-family: var(--blog-font-display);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--blog-white-faint);
    font-weight: 600;
}

.article-nav-title {
    font-family: var(--blog-font-display);
    font-size: 15px;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: var(--blog-white);
    font-weight: 700;
}

.article-nav-next {
    text-align: right;
    align-items: flex-end;
}


/* =========================================================
   23. NEWSLETTER CTA
   ========================================================= */

.blog-newsletter {
    padding: 60px 0 100px;
}

.blog-newsletter-card {
    position: relative;
    overflow: hidden;
    width: min(720px, 100%);
    margin: 0 auto;
    padding: 60px 48px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: var(--blog-radius-large);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow:
        0 40px 100px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-align: center;
}

.blog-newsletter-card::before {
    content: "";
    position: absolute;
    top: -100px;
    left: 50%;
    width: 400px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.05), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
    transform: translateX(-50%);
}

.blog-newsletter-card .pulse-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-bottom: 24px;
    border-radius: 50%;
    background: var(--blog-white);
    box-shadow: 0 0 25px var(--blog-white);
    animation: pulsePoint 2s infinite;
}

.blog-newsletter-card h2 {
    margin: 0 0 16px;
    font-family: var(--blog-font-display);
    font-size: clamp(28px, 4vw, 42px);
    letter-spacing: -0.05em;
    line-height: 1.05;
    font-weight: 700;
}

.blog-newsletter-card p {
    max-width: 420px;
    margin: 0 auto 32px;
    font-family: var(--blog-font-body);
    font-size: 14px;
    line-height: 1.7;
    color: var(--blog-white-muted);
}

.blog-newsletter-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    overflow: hidden;
    min-height: 52px;
    padding: 0 36px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--blog-radius-small);
    background: var(--blog-white);
    color: var(--blog-black);
    font-family: var(--blog-font-display);
    font-size: 11px;
    letter-spacing: 0.12em;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.4s var(--blog-ease);
}

.blog-newsletter-button::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.blog-newsletter-button:hover {
    transform: translateY(-3px);
    box-shadow:
        0 20px 50px rgba(255, 255, 255, 0.15),
        0 0 30px rgba(255, 255, 255, 0.1);
}

.blog-newsletter-button:hover::before {
    left: 100%;
}


/* =========================================================
   24. BLOG GRID — EMPTY STATE
   ========================================================= */

.blog-grid-empty {
    grid-column: 1 / -1;
    padding: 60px 32px;
    border: 1px dashed rgba(255, 255, 255, 0.14);
    border-radius: var(--blog-radius);
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
}

.blog-grid-empty .blog-empty-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-bottom: 18px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 0 18px #ffffff;
    animation: pulsePoint 2s infinite;
}

.blog-grid-empty p {
    margin: 0;
    font-family: var(--blog-font-body);
    font-size: 13px;
    line-height: 1.8;
    color: var(--blog-white-muted);
}


/* =========================================================
   25. ANIMATIONS — SCROLL REVEAL
   ========================================================= */

@keyframes blogHeroFadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blogFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.blog-featured,
.blog-grid-section,
.article-reader-section,
.blog-newsletter {
    animation: blogFadeInUp 0.8s var(--blog-ease) both;
}

.blog-grid .blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-grid .blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-grid .blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-grid .blog-card:nth-child(4) { animation-delay: 0.4s; }

/* Shared keyframe with index.css */
@keyframes pulsePoint {
    0%, 100% {
        transform: scale(0.75);
        opacity: 0.35;
    }
    50% {
        transform: scale(1.45);
        opacity: 1;
    }
}


/* =========================================================
   26. ACCESSIBILITY
   ========================================================= */

/* Focus visible */
.blog-category-chip:focus-visible,
.blog-card-title a:focus-visible,
.featured-article-title a:focus-visible,
.read-article-link:focus-visible,
.blog-product-button:focus-visible,
.blog-newsletter-button:focus-visible,
.article-nav-link:focus-visible,
blockquote cite a:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 4px;
    border-radius: 6px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .featured-article-card:hover,
    .blog-card:hover,
    .article-figure:hover {
        transform: none !important;
    }
}


/* =========================================================
   27. RESPONSIVE — TABLET (≤ 960px)
   ========================================================= */

@media (max-width: 960px) {
    .blog-main {
        padding-top: calc(120px + var(--safe-top));
    }

    .blog-categories {
        top: calc(72px + var(--safe-top));
        gap: 10px;
    }

    .featured-article-card {
        grid-template-columns: 1fr;
    }

    .featured-article-media {
        min-height: 320px;
    }

    .featured-article-media::after {
        background: linear-gradient(180deg, transparent 60%, rgba(5, 5, 5, 0.4) 100%);
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}


/* =========================================================
   28. RESPONSIVE — MOBILE (≤ 640px)
   ========================================================= */

@media (max-width: 640px) {
    .blog-main {
        width: calc(100% - 32px);
        padding-top: calc(110px + var(--safe-top));
    }

    .blog-hero {
        padding: 40px 0 50px;
    }

    .blog-hero h1 {
        font-size: clamp(38px, 10vw, 56px);
    }

    .blog-categories {
        top: calc(64px + var(--safe-top));
        gap: 8px;
        margin: 0 -16px;
        padding: 14px 16px 16px;
    }

    .blog-category-chip {
        padding: 8px 16px;
        font-size: 10px;
    }

    .blog-featured {
        padding: 20px 0 60px;
    }

    .featured-article-content {
        padding: 32px 24px;
    }

    .featured-article-media {
        min-height: 240px;
    }

    .blog-grid-section {
        padding: 30px 0 70px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .blog-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .article-reader-section {
        padding: 20px 0 80px;
    }

    .article-reader-body {
        font-size: 15px;
    }

    .article-reader-body h2 {
        margin: 36px 0 16px;
    }

    .article-reader-body blockquote {
        margin: 36px 0;
        padding: 24px 28px;
    }

    .article-reader-body blockquote p {
        font-size: 16px;
    }

    .article-pull-line {
        font-size: 18px;
        padding-left: 16px;
    }

    .article-figure {
        margin: 32px 0;
        border-radius: var(--blog-radius-small);
    }

    .article-spec-wrap {
        border-radius: var(--blog-radius-small);
    }

    .article-spec-table th,
    .article-spec-table td {
        padding: 12px 16px;
    }

    .article-spec-table th {
        width: 45%;
    }

    .blog-lifetime-callout {
        padding: 32px 22px;
    }

    .blog-product-button {
        width: 100%;
    }

    .article-nav {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .article-nav-next {
        text-align: left;
        align-items: flex-start;
    }

    .blog-newsletter {
        padding: 40px 0 80px;
    }

    .blog-newsletter-card {
        padding: 48px 28px;
        border-radius: var(--blog-radius);
    }
}


/* =========================================================
   29. RESPONSIVE — SMALL PHONES (≤ 390px)
   ========================================================= */

@media (max-width: 390px) {
    .blog-hero h1 {
        font-size: 36px;
    }

    .blog-category-chip {
        padding: 7px 14px;
        font-size: 9px;
    }

    .featured-article-content {
        padding: 24px 18px;
    }

    .blog-card-content {
        padding: 22px;
    }

    .blog-card-title {
        font-size: 18px;
    }

    .article-reader-title {
        font-size: 28px;
    }

    .article-reader-body {
        font-size: 14px;
    }

    .article-nav-link {
        padding: 20px;
    }

    .blog-newsletter-card {
        padding: 40px 22px;
    }

    .blog-newsletter-button {
        width: 100%;
        padding: 0 20px;
    }
}


/* =========================================================
   30. PRINT STYLES
   ========================================================= */

@media print {
    .blog-categories,
    .article-nav,
    .blog-newsletter,
    .blog-lifetime-callout,
    .blog-product-cta {
        display: none !important;
    }

    body,
    .blog-main {
        background: #fff !important;
        color: #000 !important;
    }

    .blog-hero h1,
    .article-reader-title,
    .featured-article-title,
    .blog-card-title,
    .article-reader-body h2 {
        color: #000 !important;
        -webkit-text-fill-color: #000 !important;
    }

    .article-reader-body,
    .article-reader-body p,
    .article-reader-body li,
    .featured-article-excerpt,
    .blog-card-excerpt {
        color: #333 !important;
    }

    * {
        box-shadow: none !important;
        text-shadow: none !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }
}