:root {
    --bg: #0f172a;
    --card: #ffffff;
    --accent: #38bdf8;
    --text-dark: #1f2933;
}

body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--bg);
    color: var(--text-dark);
    margin: 0;
}

/* ---------- Header & Navigation ---------- */

header {
    background-color: #020617;
    color: white;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    padding: 1.5rem 1rem;
    margin: 0;
}

nav {
    background-color: black;
}

nav ul {
    margin: 0;
    padding: 0;
    display: flex;
    list-style: none;
    justify-content: center;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.2rem;
}

nav a:hover,
nav a.aktuell {
    background-color: var(--accent);
    color: black;
    font-weight: bold;
}

/* ---------- Layout ---------- */

main {
    max-width: 70rem;
    margin: 2rem auto;
    display: flex;
    gap: 2rem;
    padding: 0 1rem;
}

article {
    background-color: var(--card);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.2);
    width: 50%;
}

h2 {
    text-align: center;
    color: #020617;
}

article p {
    text-align: justify;
}

/* ---------- Bilder ---------- */

img {
    max-width: 100%;
    display: block;
    margin: 1rem auto;
    border-radius: 6px;
}

/* ---------- Slider ---------- */

.slider {
    position: relative;
    max-width: 900px;
    margin: 2rem auto;
}

.slide {
    display: none;
    width: 100%;
}

.slide.active {
    display: block;
}

/* ---------- Download Box ---------- */

.download-box {
    background-color: #e0f2fe;
    border-left: 6px solid var(--accent);
    padding: 1rem;
    margin-top: 1.5rem;
    border-radius: 6px;
}

.download-box a {
    display: inline-block;
    margin-top: 0.5rem;
    background-color: var(--accent);
    color: black;
    padding: 0.6rem 1rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.download-box a:hover {
    background-color: #0ea5e9;
}

/* ---------- Footer ---------- */

footer {
    background-color: black;
    color: white;
    text-align: center;
    padding: 0.8rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 700px) {
    main {
        flex-direction: column;
    }

    article {
        width: auto;
    }

    h1 {
        font-size: 1.6rem;
    }
}