/* =========================================
   SECTION BANNIÈRE (HERO)
========================================= */
.hero {
    background-image: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.7)), url('../assets/icons/images/sorbonne-bg.jpeg');
    background-size: cover;
    background-position: center;
    padding: 140px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    max-width: 900px;
    margin: 0 auto 30px auto;
    color: var(--white);
    opacity: 0.9;
}

.hero .btn-secondary { color: var(--white); border-color: var(--white); }
.hero .btn-secondary:hover { background-color: var(--white); color: var(--primary-color); }

/* =========================================
   DESIGN DES CARTES (Missions & Événements)
========================================= */
.card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(0,0,0,0.05);
}

.card-icon { font-size: 3.5rem; margin-bottom: 20px; }
.card p { font-size: 0.95rem; line-height: 1.5; }

.missions .card:nth-child(1) h3 { color: var(--guinea-red); }
.missions .card:nth-child(2) h3 { color: var(--guinea-yellow); }
.missions .card:nth-child(3) h3 { color: var(--guinea-green); }

.event-card {
    background-color: var(--white);
    border-left: 5px solid var(--guinea-red);
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 20px;
}

.event-date {
    flex-shrink: 0;
    min-width: 70px;
    background-color: var(--sorbonne-navy);
    color: var(--white);
    border-radius: 8px;
    padding: 12px 8px;
    text-align: center;
    line-height: 1.1;
}

.event-date .ev-day {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
}

.event-date .ev-month {
    display: block;
    font-size: 0.85rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.event-info h3 {
    color: var(--sorbonne-navy);
    margin-bottom: 6px;
}

.event-info p {
    font-size: 0.95rem;
    color: #555;
}

/* =========================================
   SECTION GUIDE TEASER
========================================= */
.guide-teaser {
    background-color: var(--sorbonne-navy); 
    color: var(--text-light);
    padding: 80px 0;
}

.guide-teaser h2 { font-size: 2.5rem; color: var(--text-light); }
.guide-teaser p { color: rgba(255,255,255,0.8); }
.guide-teaser .btn-primary { background-color: var(--guinea-red); border-color: var(--guinea-red); }
.guide-teaser .btn-primary:hover { background-color: var(--guinea-yellow); border-color: var(--guinea-yellow); color: #333; }

/* RESPONSIVE HERO */
@media (max-width: 768px) {
    .hero { padding: 60px 0; }
    .hero h1 { font-size: 2.2rem; }
}