/* --- DÉGRADÉ OR (GOLD) --- */
.gold-title, .section-title, .reward-title {
    background: linear-gradient(to right, #bf953f, #fcf6ba, #b38728, #fbf5b7, #aa771c);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- HERO SECTION --- */
.gold-title {
    font-size: clamp(2.5rem, 5vw, 4rem); /* S'adapte au mobile */
    font-weight: 900;
    letter-spacing: 2px;
}

.hero-subtitle {
    max-width: 700px;
}

/* --- CARTES DE RÉCOMPENSE --- */
.reward-card {
    background-color: var(--bg-card); /* S'adapte au Light/Dark mode */
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: 30px 20px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.reward-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.8);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.1);
}

.reward-icon {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
    mix-blend-mode: screen;
    filter: sepia(1) hue-rotate(10deg) saturate(2) brightness(1.2);
}

/* --- SECTION COMMENT PARTICIPER --- */
.how-to-container {
    max-width: 900px;
}

.how-to-desc {
    max-width: 800px;
}

.how-to-section {
    background-color: var(--bg-card);
    border-top: 2px solid #b38728;
    border-bottom: 2px solid #b38728;
    border-radius: 12px;
}

.how-to-section strong {
    color: #b38728; 
}

/* --- BOUTON D'ACTION OR --- */
.btn-gold {
    background: linear-gradient(to right, #bf953f, #b38728);
    color: #030712 !important; /* Toujours noir pour le contraste sur l'or */
    font-weight: bold;
    text-transform: uppercase;
    transition: filter 0.3s ease, transform 0.2s ease;
    border: none;
}

.btn-gold:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}