* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* colour scheme */
:root {
    --primary-color: #005a87;
    --accent-color: #cdb380;
    --text-main: #404040;
    --bg-light: #eeeeee;
    --bg-white: #ffffff;
    --border-color: #e1e4e8;
}

body {
    font-family: "Open Sans", Tahoma, sans-serif; 
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-light);
}

/* Header */
header {
    /* linear-gradient(to right, rgba(0, 90, 135, 1), rgba(255,255,255, 0),  rgba(255,255,255, 0), rgba(255,255,255, 0),rgba(0, 90, 135, 1)) no-repeat center, */
    background: no-repeat center/900px linear-gradient(to right, rgba(0, 90, 135, 1), rgba(128,128,128,0.2),rgba(128,128,128,0.2),rgba(128,128,128,0.2),rgba(0, 90, 135, 1)),
                no-repeat center/900px url('images/banner.png'),
                no-repeat center var(--primary-color);
    color: white;
    padding: 1rem 1rem 0rem 1rem;
    /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
    /* letter-spacing: -0.5px; */
}

/* Navigation */
.nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    /* gap: 1.5rem; */
    margin-top: 1.5rem;
    background-color: rgba(0, 90, 135, 0.5);
}

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 1rem;
}

.nav a:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* Main content */
main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Sections */
.section {
    background: var(--bg-white);
    padding: 0rem 1rem;
    margin-bottom: 1rem;
    border-radius: 0px;
    /* box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); */
}

.section h2 {
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 1rem;
    margin-top: 1rem;
    padding: 0rem 0rem;
    /* padding-bottom: 0.75rem; */
    /* border: 3px solid var(--accent-color);
    border-radius: 6px; */

    border-bottom: 3px solid var(--accent-color);
    border-top: 3px solid var(--accent-color);
    display: inline-block;
}

.section h3 {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: normal;
    margin-bottom: 0.5rem;
    margin-top: 0rem;
    padding: 0rem 0rem;
    border-bottom: 2px solid var(--accent-color);
    border-top: 2px solid var(--accent-color);
    display: inline-block;
}

.section p {
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.5;
    padding-bottom: 1rem;
}

footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

td, th {
    padding: 5px;
    text-align: left;
}

.sponsor-logo {
    height: 4em;
    padding: 0.5rem;
}

.committee-member {
    display: inline-block;
    margin: 0.5rem 0.5rem;
    padding: 0rem 1rem 1rem 1rem;
    height: 5rem;
    width: 250px;
    vertical-align: middle;
    text-align: center;
    color: var(--text-main);
    border: 2px solid transparent;
    border-radius: 4px;
    text-decoration: none;
}

.committee-member:hover {
    color: var(--primary-color);
    border-color: var(--accent-color);
    background-color: var(--accent-color);
}

/* lists */
ul { 
    list-style-type: disc; padding-left: 1.5rem; margin-bottom: 1rem; 
}
li {
    color: var(--text-main);
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    .nav {
        gap: 0.75rem;
    }

    .nav a {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    .section {
        /* padding: 1.5rem; */
    }
/* 
    .section h2 {
        font-size: 1.4rem;
    } */
}