:root {
    --color-dark: #0B0F19;
    --color-light-gray: #a8b2d1;
    --color-accent: #64ffda;
    --color-white: #e6f1ff;
    --font-main: 'Poppins', sans-serif;
    --font-title: 'Cormorant Garamond', serif;
    --transition-smooth: all 0.3s ease-in-out;
}

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

html { 
    scroll-behavior: smooth; 
}

body { 
    background-color: var(--color-dark); 
    color: var(--color-light-gray); 
    font-family: var(--font-main); 
    line-height: 1.6; 
    -webkit-font-smoothing: antialiased; 
}

body.modal-open { 
    overflow: hidden; 
}

body::-webkit-scrollbar { 
    width: 8px; 
}
body::-webkit-scrollbar-track { 
    background: var(--color-dark); 
}
body::-webkit-scrollbar-thumb { 
    background-color: var(--color-accent); 
    border-radius: 20px; 
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    z-index: 100;
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-title);
    text-decoration: none;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
}

.logo-main-title {
    font-weight: 600;
    font-size: 1.8rem;
    color: var(--color-white);
    letter-spacing: 3px;
    text-shadow: 0 0 10px rgba(255, 255, 255, .1), 0 0 15px rgba(100, 255, 218, .2);
}

.logo-subtitle {
    font-family: var(--font-main);
    font-size: .6rem;
    font-weight: 400;
    color: var(--color-light-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav ul li a {
    color: var(--color-light-gray);
    text-decoration: none;
    font-weight: 400;
    transition: var(--transition-smooth);
    position: relative;
    padding-bottom: 5px;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform .25s ease-out;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--color-accent);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.fullscreen-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 5%;
}

.content-section {
    padding: 100px 10%;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    font-size: 2.5rem;
    color: var(--color-white);
    text-align: center;
    margin-bottom: 60px;
    font-weight: 600;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    margin: 10px auto 0;
    border-radius: 2px;
}

h3 {
    color: var(--color-white);
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-align: center;
}

/* --- Style du bouton de téléchargement --- */
.cta-container {
    margin-top: 60px;
    text-align: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    padding: 15px 30px;
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 0 15px rgba(100, 255, 218, 0);
}

.cta-button:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(100, 255, 218, 0.3);
}

.cta-button svg {
    width: 22px;
    height: 22px;
    transition: transform 0.3s ease;
}

.cta-button:hover svg {
    transform: scale(1.1);
}

#accueil {
    text-align: center;
}

.main-title {
    font-family: var(--font-title);
    font-size: clamp(4rem, 10vw, 8rem);
    color: var(--color-white);
    font-weight: 600;
    letter-spacing: 8px;
    animation: fadeInDown 1s ease-out;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.1), 0 0 25px rgba(100, 255, 218, .2);
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-light-gray);
    margin-top: 0;
    font-weight: 400;
    animation: fadeInUp 1s .5s ease-out backwards;
    letter-spacing: 5px;
    text-transform: uppercase;
}

.scroll-down-indicator {
    position: absolute;
    bottom: 30px;
    color: var(--color-accent);
    animation: bounce 2s infinite;
}

.scroll-down-indicator svg {
    width: 30px;
    height: 30px;
    fill: var(--color-accent);
}

#histoire p {
    max-width: 700px;
    margin: 0 auto 20px;
    text-align: center;
    font-size: 1.1rem;
}

.content-section h3 {
    font-family: var(--font-title);
    color: var(--color-accent);
    font-size: 1.6rem;
    margin-top: 50px;
    text-align: center;
    font-weight: 600;
}

.universe-subsection {
    margin-bottom: 80px;
}

.universe-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.universe-menu button {
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: 10px 25px;
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.universe-menu button:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-3px);
}

.character-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.character-grid button {
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: 10px 25px;
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.character-grid button:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-3px);
}

.author-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto 30px auto;
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
}

.book-showcase {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 80px;
    padding: 30px;
    background-color: rgba(100, 255, 218, 0.05);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 8px;
}

.book-cover {
    flex-shrink: 0;
    width: 250px;
}

.book-cover img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.book-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.book-details h3 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 2.2rem;
}

.book-details .credit {
    font-size: 1.1rem;
    color: var(--color-light-gray);
    margin-bottom: 10px;
}

.book-details .credit strong {
    color: var(--color-accent);
    font-weight: 600;
}

.buy-button {
    display: inline-block;
    margin-top: 20px;
    background-color: var(--color-accent);
    color: var(--color-dark);
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    text-align: center;
    transition: var(--transition-smooth);
}

.buy-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.3);
}

.buy-button.disabled {
    background-color: transparent;
    border: 1px solid rgba(168, 178, 209, 0.3);
    color: var(--color-light-gray);
    cursor: not-allowed;
    pointer-events: none;
}


.modal-close-btn, .lightbox-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-light-gray);
    transition: var(--transition-smooth);
    z-index: 1002;
}

.modal-close-btn:hover, .lightbox-close-btn:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

.modal-close-btn svg, .lightbox-close-btn svg {
    width: 30px;
    height: 30px;
}


.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, .9);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity .4s ease, visibility .4s ease;
}

.modal-container.is-active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-dark);
    padding: 40px 50px;
    border-radius: 12px;
    max-width: 1100px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid rgba(100, 255, 218, .2);
    transform: scale(.95);
    transition: transform .4s ease;
}

.modal-container.is-active .modal-content {
    transform: scale(1);
}

.modal-content h2 {
    text-align: left;
    margin-bottom: 20px;
}

.modal-content h2::after {
    margin: 10px 0 0;
}

.modal-content h3 {
    font-family: var(--font-title);
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
    text-align: left;
    font-weight: 600;
}

.modal-content p {
    margin-bottom: 1.2rem;
    line-height: 1.7;
    text-align: justify;
}

.modal-content ul, .modal-content ol {
    padding-left: 25px;
    margin-bottom: 1.2rem;
    text-align: justify;
}
.modal-content li {
    margin-bottom: 0.6rem;
}

p.quote {
    font-style: italic;
    color: var(--color-light-gray);
    margin: 30px 0;
    padding-left: 20px;
    border-left: 2px solid var(--color-accent);
    text-align: left;
}

.modal-content-item.is-hidden {
    display: none;
}

footer {
    padding: 80px 5% 40px;
    background-color: #080b13;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
    border-top: 1px solid;
    border-image-source: linear-gradient(90deg, transparent, rgba(100, 255, 218, .3), transparent);
    border-image-slice: 1;
}

.footer-title h2 {
    font-family: var(--font-title);
    font-size: 2.5rem;
    margin: 0;
    letter-spacing: 4px;
    color: var(--color-white);
}

.footer-title h2::after {
    display: none;
}

.footer-title p {
    color: var(--color-light-gray);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.footer-separator {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(100, 255, 218, .5), transparent);
}

.footer-nav {
    display: flex;
    justify-content: center;
}
.footer-nav ul {
    display: flex;
    gap: 3rem;
    align-items: center;
}
.footer-nav a {
    color: var(--color-light-gray);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-smooth);
    opacity: 0.8;
}

.footer-nav a:hover {
    color: var(--color-accent);
    opacity: 1;
    text-shadow: 0 0 10px var(--color-accent);
}

.footer-nav a.is-active {
    color: var(--color-white);
    opacity: 1;
    cursor: default;
    pointer-events: none;
}

.footer-nav a:hover {
    color: var(--color-accent);
    opacity: 1;
    text-shadow: 0 0 10px var(--color-accent);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.copyright-line {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: .9rem;
    color: rgba(255, 255, 255, 0.5);
}

.copyright-separator {
    opacity: 0.5;
}

.social-icon {
    color: var(--color-light-gray);
    border: 1px solid var(--color-light-gray);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition-smooth);
}

.social-icon:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 0 15px var(--color-accent);
}

.social-icon svg {
    width: 22px;
    height: 22px;
}

.social-icon .icon-open {
    display: none;
}

.social-icon .icon-closed {
    display: block;
}

.social-icon:hover .icon-open {
    display: block;
}

.social-icon:hover .icon-closed {
    display: none;
}

.footer-bottom {
    font-size: .9rem;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-credit {
    font-size: .8rem;
    color: var(--color-light-gray);
    margin-bottom: 8px;
}

.footer-bottom button.modal-trigger {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    color: rgba(255, 255, 255, .5);
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.footer-bottom button.modal-trigger:hover {
    color: var(--color-accent);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

#audio-player {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 100;
}

#play-pause-btn {
    background: rgba(100, 255, 218, .1);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(5px);
}

#play-pause-btn:hover {
    background: rgba(100, 255, 218, .3);
    transform: scale(1.1);
}

#play-pause-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@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);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Cacher les boutons de fermeture par défaut */
.modal-close-btn,
.lightbox-close-btn {
    opacity: 0;
    pointer-events: none;
}

/* Les afficher seulement quand le modal/lightbox est ouvert */
.modal-container.is-active .modal-close-btn,
#gallery-lightbox.is-active .lightbox-close-btn {
    opacity: 1;
    pointer-events: auto;
}


@media (max-width: 768px) {
    header {
        padding: 1rem 5%;
    }
    nav ul {
        display: none;
    }
    h2 {
        font-size: 2rem;
    }
    
    .book-showcase {
        flex-direction: column;
        text-align: center;
    }
    .book-details h3 {
        text-align: center;
    }

    .modal-content {
        padding: 30px 20px;
        width: 95%;
    }
}