:root {
    --bg-color: #08090b;
    --surface-color: #12151b;
    --text-color: #c5c6c7;
    --text-bright: #ffffff;
    --accent-color: #66fcf1;
    --accent-hover: #45a29e;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-speed: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==========================================================================
   Header & Navigation (Verlauf & auslaufende Trennlinie)
   ========================================================================== */
.site-header {
    background: linear-gradient(180deg, rgba(26, 30, 38, 0.85) 0%, rgba(11, 13, 17, 0.4) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.header-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.18) 50%, 
        rgba(255, 255, 255, 0) 100%);
}

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-bright);
    text-decoration: none;
    text-transform: uppercase;
}

.burger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 1.8rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1100;
}

.burger-menu .bar {
    width: 2rem;
    height: 0.2rem;
    background-color: var(--text-bright);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.burger-menu.open .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}
.burger-menu.open .bar:nth-child(2) {
    opacity: 0;
}
.burger-menu.open .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: rgba(11, 13, 17, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: none;
    flex-direction: column;
}

.nav-menu.open {
    display: flex;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 1rem 0;
}

.nav-menu li {
    text-align: center;
}

.nav-menu a {
    display: block;
    padding: 0.9rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    transition: color var(--transition-speed), background var(--transition-speed);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.03);
}

/* ==========================================================================
   Hero Bühne (Startseite)
   ========================================================================== */
.hero-stage {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
}

.hero-box {
    position: relative;
    width: 100%;
    min-height: 72vh;
    border-radius: 12px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7);
    background-color: #0c0e12;
}

.split-side {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: inherit;
    padding: 3.5rem 2rem;
    text-align: center;
    overflow: hidden;
    cursor: pointer;
    min-height: 380px;
}

.side-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.4s ease;
    filter: brightness(0.65) contrast(1.05);
    z-index: 1;
}

.photo-side .side-bg {
    background-image: url('../images/bild_buch_links.jpg');
}

.book-side .side-bg {
    background-image: url('../images/bild_buch_rechts.jpg');
}

.side-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(12, 14, 18, 0.4) 0%, rgba(8, 9, 11, 0.85) 100%);
    z-index: 2;
    transition: background var(--transition-speed);
}

.split-side:hover .side-bg {
    transform: scale(1.06);
    filter: brightness(0.85) contrast(1.1);
}

.split-side:hover .side-overlay {
    background: radial-gradient(circle, rgba(12, 14, 18, 0.2) 0%, rgba(8, 9, 11, 0.7) 100%);
}

.content-box {
    position: relative;
    z-index: 3;
    max-width: 440px;
    padding: 1.5rem;
}

.content-box h2 {
    font-size: 2.2rem;
    color: var(--text-bright);
    margin-bottom: 0.8rem;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
}

.content-box p {
    font-size: 1.05rem;
    margin-bottom: 1.8rem;
    color: #e0e0e0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    background-color: rgba(11, 13, 17, 0.7);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: all var(--transition-speed);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.split-side:hover .btn,
.btn:hover {
    background-color: var(--accent-color);
    color: #0b0c10;
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.4);
    transform: translateY(-2px);
}

/* ==========================================================================
   Desktop-Modus (Hero-Schräge & Menü)
   ========================================================================== */
@media (min-width: 900px) {
    .burger-menu {
        display: none;
    }

    .nav-menu {
        position: static;
        width: auto;
        display: flex;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .nav-menu ul {
        flex-direction: row;
        gap: 2rem;
        padding: 0;
    }

    .nav-menu a {
        padding: 0.3rem 0;
        font-size: 0.98rem;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        background-color: transparent;
    }

    .hero-box {
        grid-template-columns: 1fr 1fr;
    }

    .photo-side {
        padding-right: 5rem;
        clip-path: polygon(0 0, 100% 0, 84% 100%, 0% 100%);
        margin-right: -7%;
        z-index: 2;
    }

    .book-side {
        padding-left: 5rem;
        clip-path: polygon(16% 0, 100% 0, 100% 100%, 0% 100%);
        margin-left: -7%;
        z-index: 1;
    }

    .photo-side:hover,
    .book-side:hover {
        z-index: 4;
    }
}

/* ==========================================================================
   Seiteninhalt & Galerie-Layout
   ========================================================================== */
.page-content {
    display: flex;
    flex-direction: column;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 3.5rem 1.5rem;
    gap: 3.5rem;
}

.page-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.page-header h2 {
    font-size: 2.3rem;
    color: var(--text-bright);
    margin-bottom: 0.6rem;
    letter-spacing: 0.5px;
}

.page-header p {
    font-size: 1.05rem;
    color: #a5a7ab;
}

/* Galerie Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.8rem;
}

.gallery-card {
    position: relative;
    background-color: var(--surface-color);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    border-color: rgba(102, 252, 241, 0.3);
}

.gallery-card img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    object-position: center center;
    display: block;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.4s ease;
    filter: brightness(0.92);
}

.gallery-card:hover img {
    transform: scale(1.05);
    filter: brightness(1.05);
}

/* Gezielte vertikale Ausrichtung der Porträts */
.gallery-card.portrait img {
    object-position: top center;
}

.gallery-card[data-title="Krieger des Nordens"] img {
    object-position: top center;
}

.gallery-card[data-title="Der Hüter & der Bote"] img {
    object-position: 50% 12%;
}

.gallery-card[data-title="Die Jäger des Tals"] img {
    object-position: top center;
}

.gallery-card[data-title="Geist der Altwälder"] img {
    object-position: top center;
}

/* Bildunterschriften */
.card-caption {
    padding: 1.2rem 1.4rem;
    background: linear-gradient(180deg, rgba(18, 21, 27, 0.95) 0%, rgba(14, 16, 21, 1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.card-caption h3 {
    color: var(--text-bright);
    font-size: 1.15rem;
    margin-bottom: 0.2rem;
    letter-spacing: 0.5px;
}

.card-caption span {
    font-size: 0.85rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Animierte Lightbox (Vollbild-Modal mit sanftem Zoom)
   ========================================================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(4, 5, 7, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s ease, visibility 0.4s ease, background-color 0.4s ease, backdrop-filter 0.4s ease;
    cursor: zoom-out;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background-color: rgba(4, 5, 7, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90vw;
    max-height: 90vh;
    cursor: default;
    transform: scale(0.82) translateY(30px);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 35px rgba(102, 252, 241, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.lightbox-info {
    margin-top: 1.2rem;
    text-align: center;
    transform: translateY(12px);
    opacity: 0;
    transition: transform 0.4s ease 0.1s, opacity 0.4s ease 0.1s;
}

.lightbox.active .lightbox-info {
    transform: translateY(0);
    opacity: 1;
}

.lightbox-info h4 {
    color: var(--text-bright);
    font-size: 1.35rem;
    letter-spacing: 0.5px;
    margin-bottom: 0.2rem;
}

.lightbox-info p {
    color: var(--accent-color);
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 3.2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease, transform 0.2s ease;
    z-index: 100000;
}

.lightbox-close:hover {
    color: var(--accent-color);
    transform: scale(1.15) rotate(90deg);
}

/* ==========================================================================
   Buch-Seite: Cover, Details & Call to Action (Bündig auf Button-Höhe)
   ========================================================================== */
.book-intro {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 850px) {
    .book-intro {
        flex-direction: row;
        align-items: stretch;
        gap: 4.5rem;
    }
}

.book-cover {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.book-cover img {
    width: 100%;
    max-width: 440px;
    height: 100%;
    max-height: 580px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.85), 0 0 35px rgba(102, 252, 241, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: block;
}

.book-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.genre-tag {
    display: inline-block;
    color: var(--accent-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.book-details h2 {
    font-size: 2.5rem;
    color: var(--text-bright);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.synopsis {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-color);
}

.book-meta {
    margin-bottom: 2rem;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem 1.2rem;
    border-radius: 6px;
    border-left: 2px solid rgba(102, 252, 241, 0.4);
}

.book-meta p {
    margin-bottom: 0.4rem;
}

.book-meta p:last-child {
    margin-bottom: 0;
}

.action-buttons {
    margin-top: 1rem;
}

.btn-cta {
    background-color: var(--accent-color);
    color: #0b0c10;
    box-shadow: 0 0 25px rgba(102, 252, 241, 0.35);
    padding: 1rem 2.4rem;
    font-size: 1rem;
    display: inline-block;
    text-align: center;
}

.btn-cta:hover {
    background-color: var(--accent-hover);
    color: #ffffff;
    box-shadow: 0 0 35px rgba(102, 252, 241, 0.6);
    transform: translateY(-2px);
}

/* ==========================================================================
   Buch-Seite: Leseproben & Auszüge
   ========================================================================== */
.header-subtext {
    margin-top: 0.8rem;
    margin-bottom: 2.2rem;
    font-size: 1.05rem;
    color: #a5a7ab;
}

.excerpt-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.8rem;
    max-width: 1100px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .excerpt-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.excerpt-card {
    background: linear-gradient(180deg, rgba(26, 30, 38, 0.6) 0%, rgba(14, 17, 22, 0.8) 100%);
    border-left: 3px solid var(--accent-color);
    border-radius: 0 8px 8px 0;
    padding: 2.2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    font-style: italic;
    color: #dedede;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.excerpt-card p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.excerpt-card cite {
    display: block;
    font-style: normal;
    font-size: 0.85rem;
    color: var(--accent-color);
    letter-spacing: 1px;
    text-transform: uppercase;
    text-align: right;
}

/* ==========================================================================
   Buch-Seite: Charakter-Karten (Köpfe oben zentriert)
   ========================================================================== */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
}

.character-card {
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.character-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 252, 241, 0.3);
}

.char-image-box {
    width: 100%;
    height: 320px;
    background: #0d0f14;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.char-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    filter: brightness(0.9) contrast(1.08);
    transition: transform 0.5s ease, filter 0.5s ease;
}

.character-card:hover .char-image-box img {
    transform: scale(1.04);
    filter: brightness(1.02);
}

.char-info {
    padding: 1.5rem;
    flex: 1;
}

.char-info h3 {
    color: var(--text-bright);
    margin-bottom: 0.2rem;
}

.char-role {
    display: inline-block;
    color: var(--accent-color);
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   Bio, Impressum & Datenschutz
   ========================================================================== */
.legal-box, .bio-wrapper {
    background-color: var(--surface-color);
    padding: 2.2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.legal-box h2, .bio-wrapper h2 {
    color: var(--text-bright);
    margin-bottom: 1.2rem;
}

.legal-box h3 {
    color: var(--text-bright);
    margin-top: 1.2rem;
    margin-bottom: 0.5rem;
}

.bio-text p {
    margin-bottom: 1.2rem;
}

/* ==========================================================================
   Footer (Eleganter Verlauf, Social Icons & auslaufende Linie)
   ========================================================================== */
.site-footer {
    background: linear-gradient(0deg, rgba(26, 30, 38, 0.85) 0%, rgba(11, 13, 17, 0.4) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    margin-top: auto;
    position: relative;
}

.footer-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.18) 50%, 
        rgba(255, 255, 255, 0) 100%);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.1rem 2rem;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.2rem;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.footer-social a {
    color: var(--text-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-speed), transform var(--transition-speed);
}

.footer-social a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

.footer-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-nav a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

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

.divider {
    color: rgba(255, 255, 255, 0.2);
}