:root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #bb86fc;
    --secondary-color: #03dac6;
    --card-bg: #1e1e1e;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

header {
    padding: 2rem;
    text-align: center;
    animation: fadeInDown 1s ease-out;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

h2 {
    color: var(--secondary-color);
}

main {
    flex: 1;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.intro {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeIn 1.5s ease-out;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    animation: fadeInUp 1s ease-out 0.5s backwards;
}

.project-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-color);
}

.project-card h3 {
    margin-top: 0;
    color: var(--accent-color);
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: #000;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #9965f4;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: var(--card-bg);
    margin-top: auto;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Schulnetz Plus Specific */
.download-section {
    text-align: center;
    padding: 3rem;
    background-color: var(--card-bg);
    border-radius: 15px;
    margin-top: 2rem;
    animation: zoomIn 0.8s ease-out;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}