@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: 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 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; }

/* Content Styles */
.icon-big {
    font-size: 4rem; color: #5A0000; margin-bottom: 15px;
    opacity: 0.8;
}
.desc-text {
    font-size: 1.1rem; color: #555; margin-bottom: 30px;
    min-height: 50px; /* ให้ความสูงเท่ากันแม้ข้อความสั้นยาวต่างกัน */
}

/* Buttons */
.btn-group-vertical { display: flex; flex-direction: column; gap: 15px; }

.btn-dl {
    display: flex; align-items: center; justify-content: center;
    padding: 12px 20px; border-radius: 8px; text-decoration: none;
    font-size: 1rem; font-weight: 600; transition: all 0.2s;
}
.btn-dl i { margin-right: 10px; font-size: 1.2rem; }

/* สีปุ่ม */
.pdf { background: #ffebee; color: #c62828; border: 1px solid #ffcdd2; }
.pdf:hover { background: #c62828; color: #fff; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(198, 40, 40, 0.2); }

.excel { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.excel:hover { background: #2e7d32; color: #fff; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(46, 125, 50, 0.2); }

/* Images */
.responsive-img { width: 100%; max-width: 800px; height: auto; border-radius: 10px; }
.shadow-img { box-shadow: 0 5px 20px rgba(0,0,0,0.15); border: 1px solid #eee; }

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