/* --- Magazine / Editorial Theme --- */
/* --- Fonts: Merriweather (Serif), Inter (Sans-Serif) --- */
/* --- Language: French --- */
/* --- Tone: Informative & Straightforward --- */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Merriweather:wght@400;700;900&display=swap');

/* --- CSS Variables --- */
:root {
    --primary-font: 'Inter', sans-serif;
    --heading-font: 'Merriweather', serif;
    --background-color: #f8f9fa;
    --text-color: #212529;
    --primary-color: #0056b3;
    --accent-color: #007bff;
    --border-color: #dee2e6;
    --card-bg-color: #ffffff;
    --header-footer-bg: #343a40;
    --header-footer-text: #f8f9fa;
}

/* --- Global Reset & Base Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--primary-font);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--background-color);
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

h1 { font-size: 2.5rem; font-weight: 900; }
h2 { font-size: 2rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.5rem; margin-top: 2rem; }
h3 { font-size: 1.5rem; margin-top: 1.5rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover, a:focus {
    color: var(--primary-color);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: disc;
    padding-left: 20px;
}

/* --- Main Layout Structure --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.site-header, .site-footer {
    background-color: var(--header-footer-bg);
    color: var(--header-footer-text);
    padding: 1.5rem 0;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.site-title a {
    font-family: var(--heading-font);
    font-size: 2rem;
    color: var(--header-footer-text);
    text-decoration: none;
}

.main-nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.5rem;
    margin-top: 1rem;
}

.main-nav a {
    color: var(--header-footer-text);
    font-weight: 600;
    padding: 0.5rem;
    display: block;
}
.main-nav a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.main-content {
    padding: 2rem 0;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

/* --- Homepage Specifics --- */
.hero {
    text-align: center;
    padding: 2rem;
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.hero h1 {
    margin-bottom: 1rem;
}

.blog-section h2 {
    text-align: center;
}

.article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.article-card {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.article-card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-card h3 {
    font-size: 1.25rem;
    margin-top: 0;
}

.article-card p {
    flex-grow: 1;
}

.read-more-btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.6rem 1.2rem;
    text-align: center;
    font-weight: 600;
    margin-top: 1rem;
    align-self: flex-start;
}

.read-more-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    text-decoration: none;
}

/* --- Sidebar --- */
.sidebar {
    padding: 1.5rem;
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
}

.sidebar-widget {
    margin-bottom: 2rem;
}

.sidebar-widget:last-child {
    margin-bottom: 0;
}

.sidebar-widget h3 {
    font-size: 1.2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-top: 0;
}

.sidebar-widget ul {
    list-style: none;
    padding: 0;
}

.sidebar-widget ul li {
    margin-bottom: 0.5rem;
}

.sidebar-widget ul li a {
    color: var(--text-color);
    font-weight: 600;
}

/* --- Article Page Specifics --- */
.article-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}
.article-header h1 {
    font-size: 2.75rem;
}

.article-meta {
    font-size: 0.9rem;
    color: #6c757d;
    margin-top: -0.5rem;
}

.article-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: #495057;
}

.cta-section {
    background-color: #e9ecef;
    border: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    margin: 2rem 0;
}

.cta-section h3 {
    margin-top: 0;
}

/* --- Contact Form --- */
.contact-form .form-group {
    margin-bottom: 1.5rem;
}
.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    font-family: var(--primary-font);
    font-size: 1rem;
}
.contact-form button {
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
}
.contact-form button:hover {
     background-color: var(--primary-color);
}


/* --- Footer --- */
.site-footer p {
    margin: 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --- Media Queries (Mobile First) --- */

/* Tablet */
@media (min-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    .main-nav ul {
        margin-top: 0;
    }
    .main-layout {
        grid-template-columns: 2fr 1fr;
    }
    .main-layout.full-width {
        grid-template-columns: 1fr;
    }
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .article-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .main-layout {
        grid-template-columns: 3fr 1fr;
    }
}