body {
    font-family: "Arial", sans-serif;
    margin: 0;
    line-height: 1.6;
    background: #f4f4f4;
    color: #333;
}

h2 {
    color: #1c2733;
}

header {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.header-video video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: 1;
}

.header-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    color: white;
    text-align: center;
    width: 80%;
    max-width: 800px;
    background: rgba(44, 62, 80, 0.7);
    padding: 30px;
    border-radius: 8px;
}

.header-text h1 {
    margin-top: 0;
    font-size: 3rem;
}

.accessibility-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 3;
}

#fontIncreaseBtn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid white;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

#fontIncreaseBtn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.normal-text { font-size: 1.2rem; }
.large-text { font-size: 1.4rem; }
.larger-text { font-size: 1.6rem; }

.nav-images {
    display: flex;
    justify-content: center;
    gap: 50px;
    padding: 45px 0;
    background: #2c3e50;
}

.nav-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    transition: transform 0.3s;
}

.nav-image:hover {
    transform: scale(1.1);
}

.nav-image img {
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
}

section {
    padding: 20px;
    max-width: 1200px;
    margin: 20px auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.bkk-table {
    width: 100%;
    border-collapse: collapse;
}

.bkk-table thead tr {
    background: #2c3e50;
    color: #fff;
}

.bkk-table th, .bkk-table td {
    padding: 12px 15px;
    border: 1px solid #5d8ab7;
}

.bkk-table tbody tr:hover {
    font-weight: bold;
}

footer {
    background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(44, 62, 80, 0.85)), 
                url('../images/footbg.jpg') center/cover;
    color: white;
    text-align: center;
    padding: 40px 0;
    position: relative;
}

footer p {
    margin: 0;
    padding: 10px;
    background: rgba(44, 62, 80, 0.7);
    display: inline-block;
    border-radius: 4px;
}

details {
    margin: 20px 0;
    cursor: pointer;
}

summary {
    padding: 10px 15px;
    background: #2c3e50;
    color: white;
    border-radius: 5px;
    font-weight: bold;
}

summary:hover {
    background: #1c2733;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}