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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    color: #2c3e50;
    line-height: 1.6;
    background: #ffffff;
}

/* Header */
header {
    background: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.5rem 0;
}

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

.logo {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.8rem;
    font-weight: normal;
    color: #2c3e50;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: #2c3e50;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #E89B9B;
}

/* Main Content */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.left-column {
    position: sticky;
    top: 120px;
}

.profile-photo {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 0.5rem;
}

.photo-credit {
    font-size: 0.85rem;
    color: #7f8c8d;
    font-style: italic;
}

.right-column {
    padding-top: 2rem;
}

.right-column h1 {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: normal;
}

.right-column p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #34495e;
    margin-bottom: 1rem;
}

.book-link {
    color: #E89B9B;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.book-link:hover {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .left-column {
        position: static;
    }

    nav {
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.9rem;
    }

    header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .right-column h1 {
        font-size: 2rem;
    }
}
