:root {
    --color-navy: #002147; /* Dark Blue */
    --color-gold: #FFD700; /* Gold */
    --color-light-grey: #F5F5F5; /* Light Gray */
    --color-deep-blue: #1f2641; /* Deep Blue */
    --color-white: #fff; /* White */
    --color-medium-grey: #222; /* Medium Grey */
    --highlight-gold: #f4b400; /* Highlight Gold */
    --shadow-color: rgba(0, 33, 71, 0.4); /* Shadow Color */

    --background-gradient: linear-gradient(290deg, var(--color-navy), var(--color-deep-blue), var(--color-gold));
    --color-accent: linear-gradient(to right, var(--color-navy), var(--color-gold));
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--color-medium-grey); /* Dark background */
    color: var(--color-white); /* White text */
    transition: background-color 0.3s, color 0.3s;
    display: grid;
}

/* Container */
.container {
    width: 100%;
    max-width: 600px;
    margin: auto;
    text-align: center;
    padding: 40px 0;
    backdrop-filter: blur(10px);
    border: 1px solid;
    border-radius: 15px;
    margin-top: 40px;
}

/* Navbar */
header {
    background-color: var(--color-navy); /* Dark Blue */
    padding: 20px 0;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2;
}

header h1 {
    color: var(--color-white); /* White */
    margin: 0;
}

/* Contact Section */
#contact {
    background: transparent; /* Deep Blue */
    padding: 40px 20px;
    box-shadow: 0px 4px 10px rgba(255, 255, 255, 0.1);
    text-align: center;
}

#contact h2 {
    margin-top: 0;
    font-size: 26px;
    color: var(--color-gold); /* Gold */
}

.participant-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
    width: 100%;
    overflow: hidden;
}

.participant-form input {
    width: 100%;
    padding: .6rem;
    font-size: 16px;
    border: 1px solid var(--color-light-grey); /* Light Grey */
    border-radius: 6px;
    background-color: var(--color-medium-grey); /* Medium Grey */
    color: var(--color-white); /* White */
    cursor: not-allowed;
}
.participant-form a{
    color: rgb(212, 212, 240); 
    border-radius: 6px; 
    background-color: #333; 
    padding: .6rem;
    border: 1px solid;
    text-decoration: none;
    width: 100%;
    text-align: start;
}
.participant-form a:hover{
    color: rgb(117, 117, 219);
}
/* Make input fields readonly (non-editable) */
.participant-form input[readonly] {
    background-color: #333; /* Keeping this as a fixed color for contrast */
}

input[type="submit"] {
    width: 100%;
    padding: 14px;
    font-size: 18px;
    font-weight: bold;
    background: var(--color-gold); /* Gold */
    border: none;
    border-radius: 6px;
    color: var(--color-white); /* White */
    cursor: pointer;
    transition: 0.3s;
}

input[type="submit"]:hover {
    background: var(--highlight-gold); /* Highlight Gold on hover */
    transform: scale(1.05);
}

/* Footer */
footer {
    text-align: center;
    padding: 15px 0;
    margin-top: 30px;
    background-color: var(--color-navy); /* Dark Blue */
}

footer p {
    margin: 0;
    color: var(--color-light-grey); /* Light Grey */
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--color-gold); /* Gold */
    color: var(--color-white); /* White */
    text-decoration: none;
    font-size: 16px;
    border-radius: 6px;
    margin-top: 10px;
    transition: 0.3s;
}

.btn:hover {
    background-color: var(--highlight-gold); /* Highlight Gold on hover */
}

/* Background Slideshow */
.background-slideshow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-size: cover;
    background-position: center;
    animation: slide 10s infinite;
}

@keyframes slide {
    0% { background-image: url('../img/slide1.png'); }
    25% { background-image: url('../img/slide2.jpg'); }
    50% { background-image: url('../img/slide4.webp'); }
    75% { background-image: url('../img/slide4.jpg'); }
    100% { background-image: url('../img/slide1.png'); }
}