/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Global link styles */
a {
    transition: color 0.3s ease;
}

a:hover {
    color: #2c5f5f !important;
}

/* Header and Navigation */
header {
    background-color: #1a4a4a;
    border-bottom: 1px solid #1a4a4a;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
}

.logo h1 {
    font-size: 28px;
    font-weight: normal;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
}

.logo h1 a {
    text-decoration: none;
    color: inherit;
}

/* Navigation */
nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav ul li {
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 0;
    transition: color 0.3s ease;
    border-bottom: 2px solid transparent;
}

nav ul li a:hover {
    color: #e0f0f0 !important;
    border-bottom-color: #e0f0f0;
}

nav ul li a.active {
    border-bottom-color: #fff;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
}

/* Bio section */
.bio {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    align-items: flex-start;
}

.portrait {
    width: 300px;
    height: auto;
    object-fit: cover;
    flex-shrink: 0;
}

.bio-text {
    flex: 1;
}

.bio-text h2 {
    font-size: 32px;
    font-weight: normal;
    margin-bottom: 20px;
    color: #333;
}

.bio-text p {
    font-size: 18px;
    line-height: 1.7;
    color: #555;
}

/* Sections */
section {
    margin-bottom: 50px;
}

section h2 {
    font-size: 28px;
    font-weight: normal;
    margin-bottom: 25px;
    color: #333;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

/* Books section */
.books ul {
    list-style: none;
}

.books ul li {
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.6;
}

.books ul li strong {
    font-style: italic;
}

/* News section */
.news ul {
    list-style: none;
}

.news ul li {
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.6;
    padding-left: 20px;
    position: relative;
}

.news ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #666;
}

/* Contact section */
.contact p {
    font-size: 16px;
    line-height: 1.6;
}

.contact a {
    color: #333;
    text-decoration: underline;
}

.contact a:hover {
    color: #2c5f5f;
}

/* Footer */
footer {
    background-color: #f8f8f8;
    border-top: 1px solid #ddd;
    padding: 30px 0;
    margin-top: 60px;
}

footer p {
    text-align: center;
    color: #666;
    font-size: 14px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Image hover effects */
img {
    transition: transform 0.3s ease, opacity 0.3s ease, box-shadow 0.3s ease;
}

img:hover {
    transform: scale(1.05);
    opacity: 0.9;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.portrait:hover {
    transform: scale(1.03);
}

/* Book layout styles */
.books img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive design */
@media (max-width: 768px) {
    .header-container {
        padding: 15px 20px;
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        gap: 0;
        border-top: 1px solid #ddd;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav ul li {
        border-bottom: 1px solid #eee;
    }
    
    nav ul li a {
        display: block;
        padding: 15px 20px;
        border-bottom: none;
        color: #333 !important;
    }
    
    nav ul li a:hover {
        color: #2c5f5f !important;
        background-color: #f9f9f9;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    main {
        padding: 20px;
    }
    
    .bio {
        flex-direction: column;
        gap: 20px;
    }
    
    .portrait {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .bio-text h2 {
        font-size: 28px;
    }
    
    section h2 {
        font-size: 24px;
    }
    
    /* Responsive book layout */
    .books div[style*="display: flex"] {
        flex-direction: column !important;
        gap: 15px !important;
    }
    
    .books div[style*="flex-shrink: 0"] {
        align-self: center;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 10px 15px;
    }
    
    .logo h1 {
        font-size: 20px;
        letter-spacing: 1px;
    }
    
    main {
        padding: 15px;
    }
    
    .bio-text h2 {
        font-size: 24px;
    }
    
    .bio-text p {
        font-size: 16px;
    }
}