:root {
    --primary: #2563eb;
    --accent:  #14b8a6;
    --bg:      #f8fafc;
    --light:   #ffffff;
    --muted:   #1e293b;
    --radius:  12px;
    --maxw:    1200px;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background-color: var(--bg);
    color: var(--muted);
}
body {
    line-height: 1.6;
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    z-index: 1000;
    padding: 0.8rem 1rem;
}
nav {
    max-width: var(--maxw);
    margin: auto;
    display: flex;
    justify-content: flex-start;
    gap: 1rem;
}
nav a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius);
    transition: background 0.3s, color 0.3s;
}
nav a:hover {
    background: var(--accent);
    color: white;
}


/* Main Content Bereich */
main {
    max-width: var(--maxw);
    background: var(--light);
    border-radius: var(--radius);
    box-shadow: 0 6px 18px rgba(0,0,0,0.04);
    padding: 3rem 2rem;
    margin: 3rem auto;
}

/* Überschriften */
h1, h2 {
    color: var(--primary);
    margin-bottom: 1rem;
}
h1 {
    font-size: clamp(2rem, 3vw, 2.8rem);
    text-align: center;
    margin-bottom: 2rem;
}
h2 {
    font-size: 1.6rem;
    margin-top: 2rem;
}

/* Absätze und Listen */
p, ul {
    margin-bottom: 1.2rem;
    font-size: 1rem;
}
ul {
    list-style: disc inside;
    padding-left: 0;
}

/* Footer */
footer {
    background: var(--light);
    border-top: 1px solid #e2e8f0;
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--muted);
    font-size: 0.9rem;
}
footer a {
    color: var(--primary);
    text-decoration: none;
}
footer a:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    main {
        padding: 2rem 1rem;
        margin: 2rem 1rem;
    }
    nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}