/* === GRUNDEINSTELLUNGEN === */
:root {
    --bg-color: #0d1117;
    --surface-color: #161b22;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    --border-color: #30363d;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden; /* Verhindert horizontales Scrollen durch Animationen */
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* === HEADER === */
header {
    text-align: center;
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin: 0 0 10px 0;
}

header .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

header code {
    background-color: var(--surface-color);
    color: var(--accent-color);
    padding: 3px 6px;
    border-radius: 6px;
    font-family: var(--font-mono);
}

/* === SECTIONS === */
main section {
    padding: 80px 0;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
}

section > p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* === FEATURES === */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    border-bottom: 1px solid var(--border-color);
}

.feature-item {
    background-color: var(--surface-color);
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.feature-item h3 {
    font-size: 1.5rem;
    margin: 0 0 10px 0;
}

.feature-item p {
    margin: 0;
    color: var(--text-secondary);
}

/* === CODE DISPLAY === */
.code-wrapper {
    position: relative;
}

pre {
    background-color: #161b22;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.copy-button {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #21262d;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.copy-button:hover {
    background-color: #30363d;
    color: var(--text-primary);
}

.copy-button.success {
    background-color: #238636;
    border-color: #2ea043;
    color: white;
}

/* === CALL TO ACTION === */
.call-to-action {
    text-align: center;
}

.github-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: #21262d;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 15px 30px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.github-button:hover {
    background-color: #30363d;
    border-color: var(--accent-color);
}

/* === FOOTER === */
footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* NEU: Animations-Vorbereitung */
.anim {
    opacity: 0; /* Elemente sind anfangs unsichtbar */
}