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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c5aa0;
}

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

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #2c5aa0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #2c5aa0;
    color: white;
}

.btn-primary:hover {
    background: #1e3f73;
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section-alt {
    background: #f8f9fa;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #2c5aa0;
}

.page-header {
    background: #f8f9fa;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    color: #2c5aa0;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    color: #666;
}

/* Podcast Grid */
.podcast-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.podcast-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.podcast-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.podcast-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.podcast-info {
    padding: 1.5rem;
}

.podcast-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.podcast-category {
    display: inline-block;
    background: #e3f2fd;
    color: #2c5aa0;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.podcast-info p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.podcast-meta {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1rem;
}

.podcast-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.platform-link {
    padding: 6px 12px;
    background: #f5f5f5;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: background 0.3s ease;
}

.platform-link:hover {
    background: #e0e0e0;
}

/* Topics Grid */
.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.topic-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.topic-card:hover {
    transform: translateY(-5px);
}

.topic-card h3 {
    color: #2c5aa0;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.search-box {
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #2c5aa0;
}

.filter-select {
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

/* Podcast Detail */
.podcast-detail {
    max-width: 800px;
    margin: 2rem auto;
}

.podcast-detail-header {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.podcast-detail-image {
    width: 250px;
    height: 250px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
}

.podcast-detail-info h1 {
    font-size: 2.5rem;
    color: #2c5aa0;
    margin-bottom: 1rem;
}

.podcast-detail-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.podcast-detail-content h2 {
    color: #2c5aa0;
    margin: 2rem 0 1rem 0;
    font-size: 1.5rem;
}

.podcast-detail-content h2:first-child {
    margin-top: 0;
}

.topics-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.topic-tag {
    background: #e3f2fd;
    color: #2c5aa0;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.external-notice {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
    padding: 1rem;
    border-radius: 6px;
    margin: 2rem 0;
    font-style: italic;
}

/* Categories Page */
.category-section {
    margin-bottom: 3rem;
}

.category-section h2 {
    color: #2c5aa0;
    font-size: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #e3f2fd;
}

.category-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

/* Content Wrapper */
.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.content-wrapper h2 {
    color: #2c5aa0;
    font-size: 1.8rem;
    margin: 2rem 0 1rem 0;
}

.content-wrapper h3 {
    color: #333;
    font-size: 1.3rem;
    margin: 1.5rem 0 0.5rem 0;
}

.content-wrapper ul {
    margin: 1rem 0 1rem 2rem;
}

.content-wrapper li {
    margin-bottom: 0.5rem;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h2,
.contact-form h2 {
    color: #2c5aa0;
    margin-bottom: 1.5rem;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: #2c5aa0;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #2c3e50;
    color: white;
    padding: 1rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner.hidden {
    display: none;
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.cookie-content p {
    margin: 0;
    flex: 1;
}

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

    .nav-menu {
        gap: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .podcast-grid {
        grid-template-columns: 1fr;
    }

    .topics-grid {
        grid-template-columns: 1fr;
    }

    .filters {
        flex-direction: column;
    }

    .podcast-detail-header {
        flex-direction: column;
        text-align: center;
    }

    .podcast-detail-image {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 2rem 0;
    }

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

    .section {
        padding: 2rem 0;
    }

    .podcast-info {
        padding: 1rem;
    }

    .topic-card {
        padding: 1.5rem;
    }

    .content-wrapper {
        padding: 0 1rem;
    }
}