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

:root {
    --primary-color: #0066cc;
    --secondary-color: #0052a3;
    --accent-color: #00d4ff;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --text-color: #333333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

/* Navbar */
.navbar {
    background-color: var(--primary-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 102, 204, 0.7), rgba(0, 102, 204, 0.7)), url('images/montefuji.png') center/cover;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.subtitle {
    margin-top: 1rem;
    font-size: 1.2rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* About Section */
.about {
    background-color: var(--light-gray);
    padding: 3rem 0;
}

.about h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Events Page */
.events-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.event-card {
    background: var(--white);
    border: 2px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
}

.event-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.event-date {
    color: var(--secondary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Books Page */
.books-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 0;
}

.book-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}
.book-image {
    width: 200px;
    height: 280px;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    border-radius: 4px;
    font-size: 0.9rem;
}
.book-cover {
    width: 200px;
    height: 280px;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    border-radius: 4px;
    font-size: 0.9rem;

}

.book-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.book-description {
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.book-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.book-detail {
    font-size: 0.9rem;
}

.book-detail strong {
    color: var(--primary-color);
}

.book-purchase-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

.book-purchase-btn:hover {
    background-color: var(--secondary-color);
}

/* Book Detail Page */
.book-detail-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
}

.book-detail-header {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.book-detail-cover {
    width: 250px;
    height: 350px;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    border-radius: 8px;
}

.book-detail-info h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.book-meta {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.book-meta p {
    margin: 0.5rem 0;
}

.book-full-description {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Comments Section */
.comments-section {
    margin-top: 3rem;
}

.comments-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.comment {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 3px solid var(--accent-color);
}

.comment-author {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.comment-rating {
    color: #ffc107;
    margin-bottom: 0.5rem;
}

/* Audio Page */
.audio-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.audio-card {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    border-top: 3px solid var(--primary-color);
}

.audio-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.audio-description {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.audio-page {
    color: var(--secondary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

.audio-player {
    margin-top: 1rem;
}

/* Drawings Page */
.drawings-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.drawing-card {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.drawing-card:hover {
    transform: scale(1.05);
}

.drawing-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.drawing-title {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.drawing-price {
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .book-item {
        grid-template-columns: 1fr;
    }

    .book-detail-header {
        grid-template-columns: 1fr;
    }

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

    .nav-container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 400px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
}