:root {
    --color-magenta: #e91e63;
    --color-cyan: #00bcd4;
    --color-dark: #222;
    --color-light: #f8f9fa;
    --color-white: #fff;
}

body {
    margin: 0;
    /* Datenschutzkonforme System-Schriftarten */
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-light);
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

/* Header */
header { background: var(--color-white); box-shadow: 0 2px 5px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
.header-content { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; }
.logo { height: 60px; margin-right: 15px; }
.logo-link { display: flex; align-items: center; }
.school-name { font-weight: bold; display: block; }

/* Navi */
.nav-list { list-style: none; display: flex; padding: 0; margin: 0; align-items: center; }
.nav-list li { margin-left: 20px; position: relative; }
.nav-list a:hover { color: var(--color-magenta); }
.dropdown-content { display: none; position: absolute; background: #fff; box-shadow: 0 4px 6px rgba(0,0,0,0.1); min-width: 150px; }
.dropdown:hover .dropdown-content { display: block; }
.dropdown-content a { display: block; padding: 10px; }

/* Buttons */
.btn { padding: 10px 20px; border-radius: 5px; font-weight: bold; display: inline-block; }
.btn-small { padding: 8px 15px; font-size: 0.9rem; }
.btn-magenta { background: var(--color-magenta); color: #fff; }
.btn-cyan { background: var(--color-cyan); color: #fff; }
.btn-outline-white { border: 2px solid #fff; color: #fff; }
.btn-outline-white:hover { background: #fff; color: #000; }

/* Hero */
.hero-image-placeholder {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), #333; /* Dunkler Hintergrund als Fallback */
    color: #fff; padding: 100px 0; text-align: center;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 10px; }

/* Cards */
.quick-links { padding: 50px 0; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.card { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); border-top: 4px solid transparent; }
.card:hover { transform: translateY(-5px); }
.card-magenta { border-color: var(--color-magenta); }
.card-cyan { border-color: var(--color-cyan); }

/* Footer */
footer { background: #333; color: #ccc; padding: 20px 0; text-align: center; margin-top: 50px;}