@charset "utf-8";

* { font-family: 'Bai Jamjuree', sans-serif; }

/* Banner */
.header-parallax {
    height: 40vh;
    background-size: cover; background-position: center; background-attachment: fixed;
    display: flex; justify-content: center; align-items: center; text-align: center;
    position: relative; margin-bottom: 40px;
}
.header-parallax::before {
    content: ''; position: absolute; top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.6);
}
.header-con { 
    position: relative; z-index: 1; color: #fff; padding: 30px 50px;
    background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 215, 0, 0.5); border-radius: 10px; 
}
.header-con h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; color: #FFD700; }
.header-con p { font-size: 1.1rem; color: #ddd; margin: 0; letter-spacing: 1px; }

/* Card Section */
.oit-section { margin-bottom: 40px; }
.oit-card {
    background: #fff; border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden; border: 1px solid rgba(0,0,0,0.05);
}
.card-header-badge {
    background: linear-gradient(135deg, #5A0000, #3a0000);
    padding: 15px 30px; border-bottom: 4px solid #FFD700;
}
.card-header-badge h3, .card-header-badge h4 { 
    margin: 0; color: #fff; font-size: 1.3rem; font-weight: 700; 
}
.card-header-badge i { margin-right: 10px; color: #FFD700; }
.card-body-content { padding: 30px; }

/* --- Accordion Design --- */
.accordion-item {
    border: none; border-bottom: 1px solid #eee;
    background: transparent;
}
.accordion-header button {
    font-size: 1.1rem; font-weight: 600; color: #333;
    background-color: #fdfdfd; padding: 20px;
}
.accordion-header button:not(.collapsed) {
    color: #5A0000; background-color: #fffbf0;
    box-shadow: none; border-bottom: 2px solid #5A0000;
}
.accordion-header button:focus {
    box-shadow: none; border-color: rgba(0,0,0,0.1);
}
.accordion-body { padding: 0; }

/* List Group Inside Accordion */
.list-group-item {
    border: none; border-bottom: 1px solid #f9f9f9; padding: 15px 25px;
    font-size: 0.95rem; color: #555; transition: all 0.2s;
}
.list-group-item:hover {
    background-color: #fff5f5; color: #5A0000; padding-left: 30px;
}

/* Buttons */
.btn-dl {
    display: inline-block; padding: 12px 20px; border-radius: 8px;
    text-decoration: none; font-weight: 600; transition: all 0.2s;
}
.pdf { background: #ffebee; color: #c62828; border: 1px solid #ffcdd2; }
.pdf:hover { background: #c62828; color: #fff; }

/* Responsive */
@media (max-width: 768px) {
    .header-con h1 { font-size: 1.5rem; }
    .card-body-content { padding: 20px; }
}