:root {
    --background-color: #F8F7F2; 
    --text-color: #2c2c2c; 
    --accent-color: #A37A55; 
    --accent-light: #fdfaf7;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Lato', sans-serif;
    font-weight: 300;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: 'Lora', serif;
    font-weight: 400;
}

/* Liens stylisés avec animation soulignée */
.link-underline {
    position: relative;
    text-decoration: none;
    color: var(--accent-color);
    font-weight: 400;
}

.link-underline::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.link-underline:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Animation fade-in au scroll */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Bouton CTA */
.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-weight: 700;
}

.cta-button:hover {
    background-color: #8c6643;
}

/* Styles spécifiques aux articles */
.article-content h2 {
    font-size: 1.875rem; /* text-3xl */
    margin-top: 2.5rem; /* mt-10 */
    margin-bottom: 1.5rem; /* mb-6 */
}

.article-content h3 {
    font-size: 1.5rem; /* text-2xl */
    margin-top: 2rem; /* mt-8 */
    margin-bottom: 1rem; /* mb-4 */
    font-weight: 700;
    font-family: 'Lato', sans-serif;
}

.article-content h4 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    font-family: 'Lato', sans-serif;
}

.article-content p {
    line-height: 1.75; /* leading-relaxed */
    margin-bottom: 1.5rem; /* mb-6 */
}

.article-content strong {
    font-weight: 700;
    color: var(--text-color);
}

.article-content ul, .article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    line-height: 1.75;
}

.article-content .intro-text {
    font-size: 1.25rem; /* text-xl */
    line-height: 1.75;
    color: #555;
    margin-bottom: 2.5rem;
    border-left: 3px solid var(--accent-color);
    padding-left: 1.5rem;
}

/* Badges pour tags */
.tag-badge {
    display: inline-block;
    background-color: var(--accent-light);
    color: var(--accent-color);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--accent-color);
}

.tag-badge:hover {
    background-color: var(--accent-color);
    color: white;
}

/* Badge source pour articles externes */
.source-badge {
    display: inline-block;
    background-color: #e5e7eb;
    color: #6b7280;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 400;
}

/* Cartes projet */
.projet-card {
    background-color: white;
    border-radius: 0.5rem;
    padding: 2rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.projet-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.projet-hero {
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
}

.projet-hero img {
    width: 100%;
    height: auto;
    display: block;
}

.projet-hero video {
    width: 100%;
    height: auto;
    display: block;
}

/* Filtres de tags */
.tag-filter {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0.25rem;
    border: 1px solid var(--accent-color);
    border-radius: 0.25rem;
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.2s ease;
}

.tag-filter:hover,
.tag-filter.active {
    background-color: var(--accent-color);
    color: white;
}

/* Articles du blog */
.article-item {
    position: relative;
    padding-left: 1rem;
    border-left: 2px solid #e5e7eb;
}