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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --border-color: #ddd;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

/* Header Styles */
header {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

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

.logo h1 {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: #666;
    font-weight: 400;
}

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

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

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

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 3rem 0;
}

/* Image Block */
.image-block {
    margin: 3rem 0;
}

.image-block figure {
    margin: 0;
}

.image-block img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.image-caption {
    margin-top: 1.5rem;
}

.image-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.image-subtitle {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.image-subtitle p {
    margin-bottom: 1rem;
}

.image-subtitle a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.image-subtitle a:hover {
    border-bottom-color: var(--accent-color);
}

/* Video Block */
.video-block {
    margin: 3rem 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    background-color: #000;
}

.video-wrapper iframe,
.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-caption {
    margin-top: 1rem;
    text-align: center;
    color: #666;
    font-style: italic;
}

/* Newsletter Form */
.newsletter-block {
    background-color: var(--light-bg);
    padding: 3rem 2rem;
    border-radius: 8px;
    margin: 3rem 0;
    text-align: center;
}

.newsletter-block h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.newsletter-description {
    color: #666;
    margin-bottom: 2rem;
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-wrapper {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.newsletter-form input[type="email"]:focus {
    border-color: var(--accent-color);
}

.newsletter-form button {
    padding: 0.75rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background-color: var(--secondary-color);
}

.newsletter-footnote {
    font-size: 0.875rem;
    color: #666;
    font-style: italic;
}

/* Social Links */
.social-block {
    text-align: center;
    margin: 3rem 0;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--light-bg);
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.social-links svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Contact Page */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-content h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.contact-info {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info a {
    color: var(--accent-color);
    text-decoration: none;
}

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

/* Footer */
footer {
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-social {
    margin-bottom: 1rem;
}

.footer-text {
    color: #666;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }

    nav {
        display: none;
        width: 100%;
        margin-top: 1rem;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .logo-subtitle {
        font-size: 0.8rem;
    }

    main {
        padding: 2rem 1rem;
    }

    .form-wrapper {
        flex-direction: column;
    }

    .newsletter-block {
        padding: 2rem 1rem;
    }

    .image-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.25rem;
    }

    .newsletter-block h2 {
        font-size: 1.5rem;
    }
}