:root {
    /* -- DEEP SPACE & STEEL PALETTE -- */
    --space-black: #0b0c10;
    --gunmetal: #1f2833;
    --steel-gray: #c5c6c7;
    --cyan-accent: #66fcf1;
    --muted-teal: #45a29e;
    --overlay-bg: rgba(11, 12, 16, 0.95);
}

/* GRUNDGERÜST */
body, html {
    margin: 0; padding: 0;
    font-family: 'Roboto', sans-serif;
    background-color: var(--space-black);
    color: var(--steel-gray);
    overflow-x: hidden;
}

/* TYPOGRAFIE */
h1, h2, h3 {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    margin: 0;
    letter-spacing: 3px;
}
h1 { font-size: 3rem; color: var(--cyan-accent); }
h2 { font-size: 2rem; color: var(--muted-teal); }

/* SECTIONS & LAYOUT */
section { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 50px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.content-box { background: rgba(31, 40, 51, 0.7); padding: 50px; border: 1px solid var(--muted-teal); width: 100%; backdrop-filter: blur(5px); }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }

@media (max-width: 768px) {
    .split-grid { grid-template-columns: 1fr; text-align: center; }
}

/* --- MODAL (POPUP) - WICHTIG FÜR SCROLL & LAYOUT --- */
.overlay-content {
    background: var(--gunmetal);
    padding: 40px;
    max-width: 800px;
    width: 90%;
    max-height: 85vh;       /* Begrenzt Höhe, damit Scrollbar erscheint */
    overflow-y: auto;       /* Aktiviert Scrollbar */
    border: 1px solid var(--cyan-accent);
    position: relative;
    overscroll-behavior: contain; /* Verhindert, dass die Seite im Hintergrund mitscrollt */
}

/* Das Grid im Popup (Bild links, Text rechts) */
.modal-body-layout {
    display: grid; 
    grid-template-columns: 1fr 2fr; /* Bild schmaler, Text breiter */
    gap: 30px;
}

@media (max-width: 768px) {
    .modal-body-layout {
        grid-template-columns: 1fr; /* Untereinander auf Handy */
    }
    .overlay-content {
        padding: 25px;
        width: 95%;
    }
}

/* Scrollbar Styling (Webkit) */
.overlay-content::-webkit-scrollbar { width: 8px; }
.overlay-content::-webkit-scrollbar-track { background: var(--gunmetal); }
.overlay-content::-webkit-scrollbar-thumb { background: var(--muted-teal); border-radius: 4px; }
.overlay-content::-webkit-scrollbar-thumb:hover { background: var(--cyan-accent); }

/* --- AUTORENFOTO & BILDER --- */
.image-placeholder img {
    width: 100%; height: auto; display: block;
    border: 1px solid var(--muted-teal);
    filter: brightness(1.1) contrast(1.1); /* S/W Optimierung */
    transition: all 0.5s ease;
}
.image-placeholder img:hover {
    border-color: var(--cyan-accent);
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.2);
    transform: scale(1.02);
}

/* CARDS, BUTTONS & REST */
.keyfacts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 50px; }
.fact-card { background: rgba(11, 12, 16, 0.6); border: 1px solid var(--muted-teal); padding: 20px; transition: all 0.3s ease; }
.fact-card:hover { border-color: var(--cyan-accent); transform: translateY(-5px); box-shadow: 0 0 15px rgba(102, 252, 241, 0.15); }
.fact-card h3 { color: var(--cyan-accent); font-size: 1.1rem; }

.btn { display: inline-block; padding: 14px 35px; border: 1px solid var(--cyan-accent); color: var(--cyan-accent); text-decoration: none; text-transform: uppercase; font-family: 'Rajdhani', sans-serif; transition: all 0.3s; margin-top: 20px; }
.btn:hover { background: rgba(102, 252, 241, 0.1); }

.social-links a { display: inline-block; margin: 15px; padding: 10px 20px; border-left: 2px solid var(--muted-teal); color: var(--steel-gray); text-decoration: none; transition: all 0.3s; }
.social-links a:hover { color: var(--cyan-accent); }

.bookshelf { display: flex; flex-wrap: wrap; gap: 40px; justify-content: center; }
.book-item { cursor: pointer; transition: transform 0.3s; text-align: center; }
.book-item:hover { transform: scale(1.05); }
.cover-small { width: 150px; height: 220px; background: #000; border: 1px solid var(--muted-teal); margin-bottom: 10px; display: flex; align-items: center; justify-content: center; }
.mobile-divider { display: none; }
@media (max-width: 768px) { .mobile-divider { display: block !important; } }

/* Hintergrund-Fix für Cover (Fallback im CSS, falls HTML-Style überschrieben wird) */
#modal-cover-container {
    background-color: transparent !important; /* Erzwingt Transparenz */
}

/* --- FOOTER LEGAL LINKS --- */
.legal-link {
    color: var(--muted-teal);
    text-decoration: none;
    font-size: 0.85rem;
    margin: 0 10px;
    transition: color 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.legal-link:hover {
    color: var(--cyan-accent);
}