:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #38bdf8;
    --card-bg: #1e293b;
    --muted-text: #94a3b8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Kopfzeile & Fußzeile Links */
.top-nav, .footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    font-size: 0.9rem;
}

.top-nav {
    background-color: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.top-nav a, .footer-nav a {
    color: var(--muted-text);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.2s;
}

.top-nav a:hover, .footer-nav a:hover {
    color: var(--accent-color);
}

.top-nav .center-url, .footer-nav .center-url {
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 0.05em;
}

.inactive-link {
    color: var(--muted-text);
    opacity: 0.6;
}

/* Hauptinhalt */
.container {
    max-width: 650px;
    width: 100%;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    box-sizing: border-box;
    flex-grow: 1;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

/* Überschrift vergrößert */
.main-title {
    font-size: 3.8rem;
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.main-title span {
    color: var(--accent-color);
}

/* Neuer Domain-Zusatz (kleiner als Titel, größer als Nav) */
.domain-sub {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin: 0.2rem 0 0.5rem 0;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.subtitle {
    font-size: 1.35rem;
    color: var(--muted-text);
    margin: 0;
    font-weight: 500;
}

.intro {
    font-size: 1.15rem;
    margin-bottom: 2rem;
}

.wordgetuem {
    font-style: italic;
    color: var(--muted-text);
}

.grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.card {
    background-color: var(--card-bg);
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.letter {
    background-color: var(--accent-color);
    color: var(--bg-color);
    font-weight: bold;
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    flex-shrink: 0;
}

.card-content h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.2rem;
}

.card-content p {
    margin: 0;
    color: var(--muted-text);
    font-size: 1rem;
}

.highlight-box {
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    margin: 2.5rem 0;
}

.highlight-box p {
    font-size: 1.1rem;
    margin: 0;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 500;
}

.section-text {
    color: var(--muted-text);
    margin-bottom: 2rem;
}

/* Fußzeile */
footer {
    background-color: rgba(15, 23, 42, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem 2rem;
    margin-top: auto;
}

.footer-credits {
    text-align: center;
    font-size: 0.8rem;
    color: var(--muted-text);
    margin: 1.5rem 0 0 0;
}

/* Rechtliche Popups (Modals) */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(5px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    box-sizing: border-box;
}

.modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 2rem;
    border-radius: 16px;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.75rem;
    color: var(--muted-text);
    cursor: pointer;
}

.close-btn:hover {
    color: var(--accent-color);
}

.modal h2 {
    margin-top: 0;
    color: var(--accent-color);
}