/* Actu-Art — Style épuré et raffiné */

:root {
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-cream: #faf9f7;
    --color-gray-100: #f5f5f4;
    --color-gray-200: #e7e5e4;
    --color-gray-400: #a8a29e;
    --color-gray-600: #57534e;
    --color-gray-800: #292524;
    --color-accent: #b91c1c;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1280px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-white);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* ===== HEADER ===== */
header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Brand / Logo */
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    z-index: 101;
}

.brand-icon {
    display: block;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.brand-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -0.02em;
}

.brand-accent {
    color: var(--color-accent);
}

/* Navigation Links */
.nav-links ul {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color 0.2s ease;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.2s ease;
}

.nav-links a:hover {
    color: var(--color-black);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Burger Menu */
.burger {
    display: none;
    cursor: pointer;
    width: 28px;
    height: 20px;
    position: relative;
    z-index: 101;
}

.burger span,
.burger span::before,
.burger span::after {
    display: block;
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--color-black);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.burger span {
    top: 50%;
    transform: translateY(-50%);
}

.burger span::before {
    content: '';
    top: -8px;
}

.burger span::after {
    content: '';
    top: 8px;
}

/* Burger Animation when checked */
#nav-check:checked~.burger span {
    background: transparent;
}

#nav-check:checked~.burger span::before {
    top: 0;
    transform: rotate(45deg);
    background: var(--color-black);
}

#nav-check:checked~.burger span::after {
    top: 0;
    transform: rotate(-45deg);
    background: var(--color-black);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .burger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        padding: 80px var(--spacing-lg) var(--spacing-lg);
        transition: right 0.3s ease;
        z-index: 100;
    }

    .nav-links ul {
        flex-direction: column;
        gap: 0;
    }

    .nav-links li {
        border-bottom: 1px solid var(--color-gray-200);
    }

    .nav-links a {
        display: block;
        padding: var(--spacing-md) 0;
        font-size: 1rem;
    }

    .nav-links a::after {
        display: none;
    }

    #nav-check:checked~.nav-links {
        right: 0;
    }

    /* Overlay */
    #nav-check:checked~.nav-links::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.3);
        z-index: -1;
    }
}

/* Legacy support */
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-black);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--color-accent);
}

header nav ul {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

header nav a {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color 0.2s ease;
}

header nav a:hover {
    color: var(--color-black);
}

/* ===== MAIN ===== */
main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* ===== HERO ===== */
.hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-black);
    margin: 0 0 var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero .tagline {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== SECTION ===== */
.section {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-black);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.section-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.section-link:hover {
    opacity: 0.7;
}

/* ===== ARTICLE GRID ===== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.articles-grid.featured {
    grid-template-columns: 2fr 1fr;
}

@media (max-width: 968px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

/* ===== ARTICLE CARD ===== */
.article-card {
    display: flex;
    flex-direction: column;
}

.article-card a {
    text-decoration: none;
    color: inherit;
}

.article-card .image-wrapper {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-gray-100);
    margin-bottom: var(--spacing-sm);
}

.article-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.article-card .category-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.article-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-black);
    margin: 0 0 var(--spacing-xs);
    transition: color 0.2s;
}

.article-card:hover h3 {
    color: var(--color-accent);
}

.article-card .excerpt {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.5;
    margin: 0 0 var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card .meta {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    margin-top: auto;
}

/* ===== FEATURED ARTICLE (grand format) ===== */
.article-featured {
    grid-column: span 1;
}

.article-featured .image-wrapper {
    aspect-ratio: 16/9;
}

.article-featured h3 {
    font-size: 1.75rem;
}

/* ===== SECONDARY STACK ===== */
.articles-stack {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.article-compact {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-sm);
    align-items: start;
}

.article-compact .image-wrapper {
    aspect-ratio: 1;
    margin-bottom: 0;
}

.article-compact h3 {
    font-size: 1rem;
}

.article-compact .excerpt {
    display: none;
}

/* ===== SINGLE ARTICLE ===== */
.article-single {
    max-width: 800px;
    margin: 0 auto;
}

.article-single header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    position: static;
    background: transparent;
    border-bottom: 1px solid var(--color-gray-200);
}

.article-single .category-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.article-single h1 {
    font-family: var(--font-serif);
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-black);
    margin: 0 0 var(--spacing-md);
}

.article-single .meta {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.article-single .cover {
    width: 100%;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-left: 0px;
}

.article-single .cover img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.article-single .cover figcaption {
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    font-style: italic;
    text-align: center;
    margin-top: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
}

.article-single .content {
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-single .content p {
    margin-bottom: 1.5em;
}

.article-single .content h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-top: 2em;
    margin-bottom: 0.75em;
}

.article-single .content blockquote {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-gray-600);
    border-left: 3px solid var(--color-accent);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.article-single .article-source {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.article-single .article-source a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.article-single .article-source a:hover {
    opacity: 0.7;
    text-decoration: underline;
}

/* ===== CATEGORY PAGE ===== */
.category-header {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.category-header h1 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-sm);
}

.category-header .muted {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin: 0;
}

/* ===== FOOTER ===== */
footer {
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
}

@media (max-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-brand span {
    color: var(--color-accent);
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

footer li {
    margin-bottom: var(--spacing-xs);
}

footer a {
    color: var(--color-gray-400);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-600);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    text-align: center;
    font-size: 0.8125rem;
}

/* ===== UTILITIES ===== */
.no-image-placeholder {
    background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}