/* UI Components */

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-base);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    font-family: inherit;
    font-size: var(--text-base);
    text-align: center;
    line-height: var(--leading-normal);
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.btn-primary:hover {
    background: var(--dark-blue);
    border-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Cards */
.overview-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-base);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-blue);
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--gray-300);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    font-size: var(--text-2xl);
    color: var(--white);
    transition: transform var(--transition-base);
}

.overview-card:hover .card-icon {
    transform: scale(1.1);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.card-description {
    color: var(--gray-600);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-base);
}

.card-link:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

/* Quote Box */
.quote-box {
    background: var(--light-blue);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-8);
    position: relative;
}

.quote-text {
    font-style: italic;
    font-size: var(--text-xl);
    color: var(--gray-700);
    line-height: var(--leading-relaxed);
    margin: 0;
}

.quote-box::before {
    content: '"';
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    font-size: var(--text-6xl);
    color: var(--gray-300);
    font-family: Georgia, serif;
    line-height: 1;
}

/* About Section Components */
.about-image {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

.about-image:hover {
    transform: scale(1.02);
}

.about-content h3 {
    font-size: var(--text-2xl);
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    font-weight: var(--font-weight-bold);
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: var(--space-6);
    line-height: var(--leading-loose);
    font-size: var(--text-lg);
}

/* Contact Components */
.contact-info h3 {
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-base);
    transition: background-color var(--transition-base);
}

.contact-item:hover {
    background-color: var(--gray-50);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--light-blue);
    border-radius: var(--radius-base);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.contact-item strong {
    color: var(--gray-900);
    font-weight: var(--font-weight-medium);
}

.contact-item a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-base);
}

.contact-item a:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

.contact-cta {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-base);
    border: 1px solid var(--gray-200);
}

.contact-cta h3 {
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
}

.contact-cta p {
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    line-height: var(--leading-relaxed);
    font-size: var(--text-lg);
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Legal Section Components */
.legal-section {
    background: var(--gray-50);
}

.legal-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-base);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.legal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-blue);
}

.legal-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.legal-card .card-icon {
    margin-bottom: var(--space-4);
}

.legal-card .card-title {
    margin-bottom: var(--space-6);
}

.legal-content {
    color: var(--gray-600);
    line-height: var(--leading-relaxed);
}

.legal-content p {
    margin-bottom: var(--space-4);
}

.legal-content p:last-child {
    margin-bottom: 0;
}

.legal-content strong {
    color: var(--gray-800);
    font-weight: var(--font-weight-medium);
}

.legal-content a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-base);
}

.legal-content a:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.hero-image img,
.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Lazy Loading Placeholder */
img[loading="lazy"] {
    background: var(--gray-100);
    transition: opacity var(--transition-base);
}

img[loading="lazy"]:not([src]) {
    opacity: 0;
}

/* Image Placeholder Styles */
.image-placeholder {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--gray-100) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-size: var(--text-lg);
    font-weight: var(--font-weight-medium);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    min-height: 200px;
}

.hero-placeholder {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto var(--space-8);
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    font-weight: bold;
    box-shadow: var(--shadow-lg);
}

.about-placeholder {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* Book Cover Styles */
.book-cover {
    width: 200px;
    height: 280px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

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

.book-cover-placeholder {
    width: 200px;
    height: 280px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.card-link:focus,
.contact-item a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-blue);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-base);
    z-index: 100;
}

.skip-link:focus {
    top: 6px;
}