:root {
    --background-nacrisferi: #506580;
    --gia-nacrisferi: #9ca0ab;
    --gia-teqsti: #e0dfe6;
    --muqi-lurji: #111827;
    --gia-lurji: #2563eb;
    --plastic: rgba(80, 101, 128, 0.84);
}

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

body {
    background-color: #091a2c;
    color: var(--gia-teqsti);
    line-height: 1.6;
}

.wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2em 1em;
    max-width: 900px;
    margin: auto;
}

.banner {
    width: 100%;
    max-width: 600px;
    border-radius: 1em;
    overflow: hidden;
    margin-bottom: 1.5em;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.banner img {
    width: 100%;
    display: block;
    border-radius: 1em;
}

.wrapper h1 {
    font-size: 1.8em;
    color: var(--gia-teqsti);
    margin-bottom: 0.5em;
    margin-top: 1em;
    text-align: center;
    font-weight: bold;
}

.section {
    background-color: var(--plastic);
    padding: 1.5em;
    border-radius: 1em;
    margin: 1em 0;
    width: 100%;
}

.section h2 {
    font-size: 1.3em;
    color: var(--gia-teqsti);
    margin-bottom: 0.7em;
}

ul {
    margin-left: 1.2em;
}

.info-box {
    background-color: var(--plastic);
    padding: 1em;
    border-radius: 1em;
    margin-top: 1em;
}

.register-btn {
    margin-top: 2em;
    background-color: var(--background-nacrisferi);
    color: white;
    padding: 0.8em 1.5em;
    border: none;
    border-radius: 0.5em;
    font-size: 1em;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s ease;
    display: inline-block;
    font-weight: bold;
}

.register-btn:hover {
    background-color: #62758d;
}

@media (max-width: 600px) {
    h1 {
    font-size: 1.4em;
    }
    .section {
    padding: 1em;
    }
}