@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; }

/* 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 { margin: 0; color: #fff; font-size: 1.3rem; font-weight: 700; }
.card-header-badge i { margin-right: 10px; color: #FFD700; }
.card-body-content { padding: 40px; }

/* Typography */
.text-red { color: #8B0000; font-weight: bold; border-left: 4px solid #FFD700; padding-left: 10px; margin-bottom: 15px; }
.desc-text { font-size: 1.05rem; color: #555; line-height: 1.6; }

/* PDF Container */
.pdf-container {
    border: 1px solid #ddd; border-radius: 10px; overflow: hidden;
    background: #f9f9f9; box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* Images & Wrapper */
.img-wrapper {
    background: #fff; padding: 15px; border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1); border: 1px solid #eee;
    transition: transform 0.3s;
}
.img-wrapper:hover { transform: translateY(-5px); }

.responsive-img { width: 100%; height: auto; border-radius: 5px; }
.caption { margin-top: 15px; font-weight: bold; color: #5A0000; margin-bottom: 0; }

/* Button (Fallback for PDF) */
.btn-dl {
    display: inline-block; padding: 12px 25px;
    background: #c62828; color: #fff; text-decoration: none;
    border-radius: 50px; font-weight: 600; transition: 0.2s;
}
.btn-dl:hover { background: #b71c1c; color: #fff; }

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