@charset "utf-8";

/* Font */
* { 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: 2rem; font-weight: 700; margin-bottom: 10px; color: #FFD700; }
.header-con p { font-size: 1.1rem; color: #ddd; margin: 0; letter-spacing: 1px; }

/* Section & Card */
.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 25px; 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: 30px; }
.center-content { text-align: center; }

/* Images */
.responsive-img { width: 100%; max-width: 600px; height: auto; border-radius: 10px; }
.shadow-img { box-shadow: 0 5px 20px rgba(0,0,0,0.15); border: 1px solid #eee; }

/* Manual List & Grid */
.manual-list { display: flex; flex-direction: column; gap: 15px; }

.manual-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* ปุ่มคู่มือ (Manual Item) */
.manual-item {
    display: flex; align-items: center;
    background: #f8f9fa; border: 1px solid #e0e0e0;
    padding: 15px 20px; border-radius: 8px;
    text-decoration: none; color: #444; font-weight: 600;
    transition: all 0.2s;
}
.manual-item:hover {
    background: #fffbf0; border-color: #FFD700; color: #5A0000;
    transform: translateX(5px); /* ขยับขวาเล็กน้อย */
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.manual-item i {
    font-size: 1.5rem; color: #5A0000; margin-right: 15px;
}

/* PDF Container */
.pdf-container {
    border: 1px solid #ddd; border-radius: 8px; overflow: hidden;
    background: #f9f9f9;
}

/* Responsive */
@media (max-width: 768px) {
    .header-con h1 { font-size: 1.5rem; }
    .manual-grid-3 { grid-template-columns: 1fr; }
}