body {
    margin: 0;
    font-family: "Georgia", serif;
    color: #222;
    background-color: #ffffff;
}

.site-header {
    text-align: center;
    padding: 70px 20px 40px 20px;
}

.site-header h1 {
    margin: 0;
    font-size: 2.6rem;
    font-weight: normal;
    letter-spacing: 1px;
}

.subtitle {
    margin-top: 12px;
    color: #2c3e70;
    font-style: italic;
}

.main-nav {
    text-align: center;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    padding: 15px 0;
}

.main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-nav li {
    display: inline-block;
    margin: 0 18px;
}

.main-nav a {
    text-decoration: none;
    color: #1f2f5c;
    font-size: 1rem;
    position: relative;
    padding-bottom: 4px;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 1px;
    background-color: #1f2f5c;
    transition: width 0.3s ease;
}

.main-nav a:hover::after {
    width: 100%;
}


.content {
    text-align: center;
    padding: 70px 20px;
}

.portrait {
    max-width: 260px;
    height: auto;
    border-radius: 3px;
}

.site-footer {
    text-align: center;
    padding: 40px;
    font-size: 0.8rem;
    color: #777;
}
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px;
}

.intro-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.intro-image img {
    max-width: 320px;
    height: auto;
    display: block;
}

.intro-text {
    flex: 1;
}

.intro-text h2 {
    margin-top: 0;
    font-weight: normal;
}

@media (max-width: 900px) {
    .intro-container {
        flex-direction: column;
        text-align: center;
    }

    .intro-image img {
        max-width: 240px;
    }
}
.focus {
    background-color: #fafafa;
    padding: 80px 20px;
}

.focus h2 {
    text-align: center;
    margin-bottom: 50px;
    font-weight: normal;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.focus-grid div {
    padding: 0 20px;
    position: relative;
}

.focus-grid div:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -20px;
    top: 10%;
    height: 80%;
    width: 1px;
    background-color: #e5e5e5;
}

.focus-grid h3 {
    margin-top: 0;
    font-weight: normal;
    color: #1f2f5c;
}
.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links li {
    display: inline-block;
    margin-right: 18px;
}

.lang-switch {
    font-size: 0.9rem;
    color: #555;
}

.lang-switch a {
    text-decoration: none;
    color: #1f2f5c;
    margin: 0 4px;
}

.lang-switch a.active {
    font-weight: bold;
}
main section {
    margin-bottom: 70px;
}

main h2 {
    margin-bottom: 25px;
    font-weight: normal;
    color: #1f2f5c;
}
main section {
    max-width: 900px;
    margin: 0 auto 70px auto;
    padding: 0 20px;
}

main h2 {
    margin-bottom: 25px;
    font-weight: normal;
    color: #1f2f5c;
}

main p {
    line-height: 1.6;
    margin-bottom: 18px;
}
main ul {
    padding-left: 20px;
}

main li {
    margin-bottom: 10px;
}
main hr {
    border: none;
    height: 1px;
    background-color: #e5e5e5;
    margin: 60px 0;
}
.book-entry {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin: 60px 0;
}

.book-entry img {
    width: 160px;
    height: auto;
    flex-shrink: 0;
    object-fit: contain;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.book-text {
    flex: 1;
}

@media (max-width: 800px) {
    .book-entry {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .book-entry img {
        width: 180px;
    }
}
.book-entry h3 {
    margin-top: 0;
    color: #1f2f5c;
    font-weight: normal;
}
main a {
    color: #1f2f5c;
    text-decoration: none;
}

main a:hover {
    text-decoration: underline;
}