/* ===================================
   PAUL SILÈNE - WEBSITE STYLES
   =================================== */

/* Root Variables */
:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #d4af37;
    --text-color: #e0e0e0;
    --text-dark: #1a1a2e;
    --border-color: #444;
    --background-light: #f5f5f5;
    --background-dark: #0f0f1e;
    --transition: all 0.3s ease;
}

/* ===================================
   GENERAL STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Georgia', 'Garamond', serif;
    background-color: var(--background-dark);
    color: var(--text-color);
    line-height: 1.8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h1 {
    font-size: 3rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

em {
    font-style: italic;
    color: var(--accent-color);
}

strong {
    font-weight: 700;
    color: var(--accent-color);
}

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    background-color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin: 0;
}

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

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    padding-bottom: 0.5rem;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid var(--accent-color);
    background-color: transparent;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
    font-weight: 600;
}

.btn:hover {
    background-color: var(--accent-color);
    color: var(--text-dark);
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-dark);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
}

.btn-secondary {
    border-color: var(--text-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: var(--text-color);
    color: var(--text-dark);
}

.btn-tertiary {
    border-color: var(--accent-color);
    color: var(--accent-color);
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 4rem 0;
    border-bottom: 2px solid var(--accent-color);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.author-image {
    width: 300px;
    height: 400px;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.hero-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* ===================================
   FEATURED WORKS SECTION
   =================================== */

.featured-works {
    padding: 4rem 0;
    background-color: var(--background-dark);
}

.featured-works h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.book-card {
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.2);
    border-color: var(--accent-color);
}

.book-cover {
    width: 100%;
    height: 350px;
    overflow: hidden;
    background-color: var(--secondary-color);
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.book-card:hover .book-cover img {
    transform: scale(1.05);
}

.book-info {
    padding: 1.5rem;
}

.book-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.language {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.description {
    font-size: 0.95rem;
    color: #bbb;
    margin-bottom: 1rem;
}

.meta {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 1.5rem;
}

/* ===================================
   ABOUT AUTHOR SECTION
   =================================== */

.about-author {
    background-color: var(--primary-color);
    padding: 4rem 0;
    border-top: 2px solid var(--accent-color);
}

.about-author h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.9;
}

/* ===================================
   PAGE HEADER
   =================================== */

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 3rem 0;
    border-bottom: 2px solid var(--accent-color);
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--accent-color);
}

/* ===================================
   BIBLIOGRAPHY SECTION
   =================================== */

.bibliography-section {
    padding: 3rem 0;
}

.bibliography-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.bibliography-entry {
    display: flex;
    gap: 2rem;
    background-color: var(--primary-color);
    padding: 2rem;
    border-left: 4px solid var(--accent-color);
    border-radius: 4px;
}

.entry-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    min-width: 50px;
    text-align: center;
}

.entry-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.entry-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    color: var(--accent-color);
}

.entry-details {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.entry-details strong {
    color: var(--accent-color);
}

.entry-description {
    color: #ccc;
    margin-bottom: 1rem;
}

/* ===================================
   BOOK HEADER
   =================================== */

.book-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 3rem 0;
    border-bottom: 2px solid var(--accent-color);
}

.book-header-content {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.book-cover-large {
    flex-shrink: 0;
}

.book-cover-large img {
    width: 300px;
    height: 450px;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.book-header-text h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.author-name {
    font-size: 1.1rem;
    color: #bbb;
    margin-bottom: 1.5rem;
}

.book-meta {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: var(--secondary-color);
    border-radius: 4px;
}

.meta-item {
    font-size: 0.95rem;
}

.book-price {
    margin-bottom: 1.5rem;
}

.price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

.book-actions {
    display: flex;
    gap: 1rem;
}

/* ===================================
   BOOK DESCRIPTION
   =================================== */

.book-description {
    padding: 3rem 0;
    background-color: var(--background-dark);
}

.description-content {
    max-width: 900px;
    margin: 0 auto;
}

.description-content h2 {
    margin-bottom: 1.5rem;
}

.description-content p {
    font-size: 1.05rem;
    line-height: 1.9;
}

/* ===================================
   BOOK DETAILS
   =================================== */

.book-details {
    padding: 3rem 0;
    background-color: var(--primary-color);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.detail-card {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-left: 4px solid var(--accent-color);
    border-radius: 4px;
}

.detail-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.detail-card ul {
    list-style: none;
}

.detail-card li {
    padding: 0.5rem 0;
    font-size: 0.95rem;
    color: #ccc;
}

.detail-card strong {
    color: var(--accent-color);
}

/* ===================================
   RELATED WORKS
   =================================== */

.related-works {
    padding: 3rem 0;
    background-color: var(--background-dark);
}

.related-works h2 {
    text-align: center;
    margin-bottom: 2rem;
}

/* ===================================
   UPCOMING SECTION
   =================================== */

.upcoming-section {
    padding: 3rem 0;
}

.upcoming-template {
    margin-bottom: 3rem;
}

.upcoming-book {
    display: flex;
    gap: 3rem;
    background-color: var(--primary-color);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.upcoming-placeholder {
    width: 250px;
    height: 350px;
    background-color: var(--secondary-color);
    border: 2px dashed var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    flex-shrink: 0;
}

.placeholder-text {
    color: var(--accent-color);
    text-align: center;
    font-style: italic;
}

.upcoming-content h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.upcoming-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.detail-section {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 4px;
}

.detail-section h3 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    color: var(--accent-color);
}

.detail-section p,
.detail-section li {
    font-size: 0.9rem;
    color: #ccc;
}

.detail-section ul {
    list-style: none;
    padding-left: 0;
}

.detail-section li {
    padding: 0.3rem 0;
}

.upcoming-actions {
    margin-top: 1.5rem;
}

.coming-soon-note {
    color: var(--accent-color);
    font-style: italic;
    text-align: center;
}

.template-instructions {
    background-color: var(--primary-color);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-top: 2rem;
}

.template-instructions h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.template-instructions ol {
    margin-left: 1.5rem;
}

.template-instructions li {
    margin-bottom: 0.5rem;
    color: #ccc;
}

/* ===================================
   NEWSLETTER SECTION
   =================================== */

.newsletter-section {
    background-color: var(--primary-color);
    padding: 3rem 0;
    text-align: center;
    border-top: 2px solid var(--accent-color);
}

.newsletter-section h2 {
    margin-bottom: 1rem;
}

.newsletter-section p {
    margin-bottom: 1.5rem;
    color: #bbb;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem;
    border: 2px solid var(--accent-color);
    background-color: var(--secondary-color);
    color: var(--text-color);
    border-radius: 4px;
    font-size: 1rem;
}

.newsletter-form input::placeholder {
    color: #999;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: var(--primary-color);
    border-top: 2px solid var(--accent-color);
    padding: 2rem 0;
    text-align: center;
    color: #999;
}

.footer p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .author-image {
        width: 200px;
        height: 300px;
    }

    .book-header-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .book-cover-large img {
        width: 250px;
        height: 375px;
    }

    .book-actions {
        flex-direction: column;
    }

    .bibliography-entry {
        flex-direction: column;
    }

    .upcoming-book {
        flex-direction: column;
        align-items: center;
    }

    .upcoming-placeholder {
        width: 100%;
        max-width: 250px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .books-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    .nav-menu {
        gap: 0.5rem;
        font-size: 0.8rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .hero-text h2 {
        font-size: 1.5rem;
    }

    .book-info h3 {
        font-size: 1.2rem;
    }

    .details-grid {
        grid-template-columns: 1fr;
    }
}