* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: radial-gradient(circle at top, #163f70, #020814 75%);
    color: #eaf6ff;
}

.page {
    max-width: 980px;
    margin: auto;
    padding: 35px 20px 80px;
}

.site-title {
    text-align: center;
    color: #8fd8ff;
    font-size: 40px;
    letter-spacing: 3px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.subtitle {
    text-align: center;
    color: #ffffff;
    font-size: 22px;
    margin-bottom: 28px;
}

.quote {
    text-align: center;
    color: #ffe38a;
    font-style: italic;
    font-size: 20px;
    margin-bottom: 32px;
}

.box {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(143, 216, 255, .40);
    border-radius: 22px;
    padding: 34px;
    line-height: 1.8;
    font-size: 19px;
    box-shadow: 0 0 28px rgba(0, 180, 255, .18);
}

h1 {
    color: #8fd8ff;
    font-size: 34px;
    margin-top: 0;
}

h2 {
    color: #8fd8ff;
    font-size: 26px;
    margin-top: 34px;
}

h3 {
    color: #8fd8ff;
    font-size: 22px;
    margin-top: 30px;
}

p {
    margin-top: 0;
    margin-bottom: 18px;
}

ul {
    margin-top: 8px;
    margin-bottom: 22px;
}

li {
    margin-bottom: 8px;
}

.frage {
    background: rgba(0, 20, 45, .55);
    border-left: 5px solid #c9a646;
    border-radius: 10px;
    padding: 16px 20px;
    margin: 24px 0;
    font-weight: bold;
    color: #ffffff;
}

.nav {
    display: flex;
    justify-content: space-between;
    margin-top: 35px;
    flex-wrap: wrap;
    gap: 12px;
}

.nav a {
    background: linear-gradient(135deg, #00aaff, #0055aa);
    color: #ffffff;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 26px;
    border: 2px solid #c9a646;
    font-weight: bold;
    min-width: 190px;
    text-align: center;
}

.nav a:hover {
    background: linear-gradient(135deg, #18c0ff, #0066cc);
    border-color: #e0c36a;
}

.back-link {
    text-align: center;
    margin-top: 35px;
}

.back-link a {
    color: #8fd8ff;
    font-weight: bold;
    text-decoration: none;
}

strong {
    color: #ffffff;
}

@media (max-width: 650px) {
    .site-title {
        font-size: 30px;
        letter-spacing: 2px;
    }

    .subtitle {
        font-size: 18px;
    }

    .box {
        font-size: 17px;
        padding: 24px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 23px;
    }

    .nav a {
        width: 100%;
    }
}