.hero-bg-img {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0;
    filter: brightness(0.6);
}

.calendar-section {
    background-color: white;
    padding: 80px 0;
    text-align: center;
}

.calendar-intro {
    max-width: 800px;
    margin: 0 auto 40px;
}

.calendar-intro h2 { color: var(--secondary); font-size: 2.5rem; margin-bottom: 20px; }
.calendar-intro p { color: #555; font-size: 1.1rem; margin-bottom: 30px; }

/* PDF Viewer Container */
.pdf-container {
    width: 100%;
    height: 800px; /* Tall height for readability */
    background: #f4f4f4;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    margin-bottom: 40px;
    border: 1px solid #ddd;
}

.pdf-frame {
    width: 100%;
    height: 100%;
    border: none;
}

/* Mobile fallback for PDF */
.mobile-pdf-notice {
    display: none;
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--brand-red);
    text-align: left;
}

@media (max-width: 768px) {
    .pdf-container { height: 500px; }
    .mobile-pdf-notice { display: block; }
    .hero h1 { font-size: 2.5rem; }
}