:root {
    --primary: #1A5F7A;
    --primary-light: #E3F2FD;
    --text-dark: #2C3E50;
    --text-light: #546E7A;
    --bg-main: #F9FBFC;
    --white: #FFFFFF;
    --accent: #FFC107;
    --shadow: 0 4px 15px rgba(0,0,0,0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 1.125rem; /* 18px */
    line-height: 1.6;
    background-color: var(--bg-main);
    color: var(--text-dark);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    margin: 3rem 0;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
    border-bottom: 3px solid var(--primary-light);
    display: inline-block;
    padding-bottom: 5px;
}

/* Header */
.main-header {
    background-color: var(--primary);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.logo-container {
    position: relative;
    width: 120px;
    height: 120px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    margin-bottom: 1rem;
}

.main-logo {
    width: 80%;
    height: 80%;
    object-fit: contain;
}

.logo-fallback {
    font-size: 4rem;
}

.header-text h1 {
    font-size: 3rem;
    margin: 0;
}

.header-text p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Bulletin à la une (Featured Card) */
.featured-card {
    background: var(--white);
    border: 4px solid var(--primary);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    gap: 2rem;
}

@media (max-width: 768px) {
    .featured-card {
        flex-direction: column;
        text-align: center;
    }
}

.bulletin-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.bulletin-date {
    font-size: 1.25rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-read {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    font-size: 1.25rem;
    transition: transform 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.btn-read:hover {
    background-color: #144a5e;
    transform: scale(1.05);
}

/* Bulletin Grid */
.bulletin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.bulletin-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid #E0E0E0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.2s ease;
}

.bulletin-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.bulletin-card h4 {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.bulletin-card .btn-small {
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 10px;
    text-align: center;
}

/* Footer */
.main-footer {
    background-color: #ECEFF1;
    padding: 4rem 0;
    text-align: center;
    margin-top: 5rem;
    color: var(--text-light);
}

.footer-help {
    margin-top: 1.5rem;
    background: var(--white);
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.empty-state {
    text-align: center;
    padding: 5rem 0;
    background: var(--white);
    border-radius: 20px;
    margin: 2rem 0;
}

.empty-icon { font-size: 5rem; display: block; margin-bottom: 1rem; }
.hidden { display: none; }
.loading { text-align: center; font-style: italic; padding: 2rem; color: var(--text-light); }