@charset "utf-8";

html,
body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
}

.background {
    background-image: url(background.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

.header {
    width: 100%;
    height: 8rem;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(0.7rem);
}

h1,
h2,
h3 {
    font-family: 'Noto Sans', sans-serif;
    text-align: center;
}

h1 {
    color: white;
    font-weight: 600;
    font-size: 40px;
}

.container {
    width: 95%;
    min-height: 100vh;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main-content {
    display: flex;
    width: 100%;
    min-height: 400px;
    justify-content: space-between;
    gap: 20px;
}

.left-div,
.right-div {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

.iframe-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

iframe {
    max-width: 800px;
    height: 400px;
}

button {
    background: transparent;
    border: 1px solid black;
    color: black;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    margin: 0 auto;
}

button:hover {
    background-color: black;
    color: white;
}

.back {
    text-align: center;
    margin-top: 2rem;
    padding: 1rem 0;
    width: 100%;
}

@media (max-width: 800px) {
    .main-content {
        flex-direction: column;
        align-items: center;
    }

    .left-div,
    .right-div {
        width: 100%;
        margin: 0;
    }

    iframe {
        width: 100%;
        height: 400px;
    }
}

.blank{
    margin-top: 5rem;
    margin-bottom: 5rem;
}

a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

a:visited {
    color: var(--text-color);
}