body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background-color: #fff; /* Changed to white */
    padding: 1rem;
    text-align: center;
}
.header-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem;
}

.header-title {
    /* flex: 1 1 200px; */
    max-width:100%;
    height: auto;
    object-fit: contain;
}
.header-logo {
    flex: 1 1 200px;
    max-width: 300px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

header h1 {
    margin: 0;
    flex-grow: 1;
    text-align: center;
    font-size: 1.5rem;
}

.nav-container {
    background-color: #59C7EB;; /* Blue background */
    padding: 0.5rem; /* Inner padding */
    margin-top: 0.5rem; /* Space from header-container */
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0; /* Reset margin */
}

nav ul li {
    display: inline;
    margin: 0 0.5rem;
}

nav ul li a {
    text-decoration: none;
    color: #fff; /* White text for contrast on blue */
    font-size: 1rem;
    padding: 0.5rem;
    display: inline-block;
}

nav ul li a:hover {
    color: #f4f4f4; /* Lighter shade on hover */
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

section {
    margin-bottom: 1.5rem;
}

h2 {
    border-bottom: 2px solid #333;
    padding-bottom: 0.5rem;
    font-size: 1.25rem;
}

.seminar {
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    display: flex;
    align-items: center;
}

.seminar-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.seminar-link:hover .seminar {
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
}

.speaker-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-right: 1rem;
}

.seminar-details {
    flex: 1;
}

.seminar-details h3 {
    margin-top: 0;
    color: #007bff;
    font-size: 1.1rem;
}

/* Styles for seminar.html */
.seminar-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #59C7EB;
    color: #fff; /* White text for contrast on blue */
    font-size: 0.9rem;
}

/* Mobile optimizations (below 768px) */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        padding: 0.5rem 0;
    }

    .header-container {
        flex-direction: column;
        align-items: center;
    }

    .header-logo{
        /* min-width: 200px; /* Smaller logo on mobile */
        /* height: 80px; */
        max-width: 45%;
        margin: -0.5rem 0;
    }
    .header-title {
        max-width: 35%;
        margin: -0.5rem 0;
    }

    header h1 {
        font-size: 1.2rem;
        margin: 0.5rem 0;
    }

    .nav-container {
        margin-top: 0.25rem; /* Slightly less space on mobile */
        padding: 0.75rem; /* More padding for touch */
    }

    nav ul li {
        display: block; /* Stack nav items */
        margin: 0.5rem 0;
    }

    nav ul li a {
        font-size: 1.1rem;
        padding: 0.75rem;
    }

    main {
        padding: 0.5rem;
    }

    .seminar {
        flex-direction: column;
        align-items: flex-start;
    }

    .speaker-image {
        width: 100%;
        height: auto;
        max-width: 200px;
        margin-right: 0;
        margin-bottom: 1rem;
    }

    .seminar-details {
        width: 100%;
    }

    .seminar-details h3 {
        font-size: 1rem;
    }

    .seminar-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .seminar-header .speaker-image {
        margin-bottom: 1rem;
    }

    .seminar-header .seminar-details {
        width: 100%;
    }
}

/* Extra small screens (below 480px) */
@media (max-width: 480px) {
    header h1 {
        font-size: 1rem;
    }

    nav ul li a {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.1rem;
    }

    .seminar-details h3 {
        font-size: 0.9rem;
    }

    footer {
        font-size: 0.8rem;
    }
}