* {
    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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
}

main {
    padding: 40px 30px;
}

.language-selector {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.language-selector button {
    padding: 12px 30px;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
}

.language-selector button:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.language-selector button.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.content {
    display: none;
}

.content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    margin-bottom: 30px;
}

h2 {
    color: #1e3c72;
    font-size: 2em;
    margin-bottom: 10px;
}

h3 {
    color: #2a5298;
    font-size: 1.4em;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}

.last-updated {
    color: #666;
    font-style: italic;
    font-size: 0.9em;
}

p {
    margin-bottom: 15px;
    color: #555;
}

ul {
    margin-left: 30px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 10px;
    color: #555;
}

strong {
    color: #333;
}

a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
}

footer {
    background: #f8f9fa;
    padding: 20px;
    text-align: center;
    color: #666;
    font-size: 0.9em;
}

.footer-links {
    margin-bottom: 10px;
}

.footer-links a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    margin: 0 10px;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-links span {
    color: #ccc;
}

/* Navigation Menu */
.page-nav {
    display: flex;
    justify-content: center;
    gap: 0;
    background: #f8f9fa;
    padding: 0;
    border-bottom: 2px solid #e0e0e0;
}

.page-nav a {
    padding: 15px 30px;
    color: #666;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.page-nav a:hover {
    color: #667eea;
    background: #f0f0f0;
}

.page-nav a.active {
    color: #667eea;
    border-bottom: 3px solid #667eea;
    background: white;
}

/* Support Page Styles */
.hero-section {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: white;
    margin-bottom: 40px;
}

.hero-section h2 {
    color: white;
    font-size: 2.2em;
    margin-bottom: 10px;
}

.hero-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1em;
}

.faq-section {
    margin-bottom: 50px;
}

.faq-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-item h4 {
    color: #1e3c72;
    font-size: 1.1em;
    margin-bottom: 10px;
}

.faq-item p {
    color: #555;
    margin-bottom: 0;
}

.contact-section {
    margin-bottom: 50px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.contact-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.contact-card h4 {
    color: #1e3c72;
    font-size: 1.2em;
    margin-bottom: 10px;
}

.contact-card p {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 20px;
}

.contact-button {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    text-decoration: none;
}

.response-section {
    background: #fffbf0;
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #ffd700;
    margin-bottom: 40px;
}

.response-section h3 {
    color: #e67e22;
    border-bottom: none;
}

.app-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-item strong {
    color: #1e3c72;
    font-size: 0.9em;
}

.info-item span {
    color: #555;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    header {
        padding: 30px 20px;
    }

    header h1 {
        font-size: 2em;
    }

    main {
        padding: 30px 20px;
    }

    h2 {
        font-size: 1.6em;
    }

    h3 {
        font-size: 1.2em;
    }

    .language-selector {
        flex-direction: column;
        gap: 10px;
    }

    .language-selector button {
        width: 100%;
    }

    .page-nav {
        flex-direction: column;
    }

    .page-nav a {
        padding: 12px;
        border-bottom: 1px solid #e0e0e0;
    }

    .page-nav a.active {
        border-bottom: 1px solid #667eea;
        border-left: 3px solid #667eea;
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }

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

    .hero-section {
        padding: 20px;
    }

    .hero-section h2 {
        font-size: 1.6em;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .container {
        box-shadow: none;
    }

    .language-selector {
        display: none;
    }

    .content {
        display: block !important;
    }
}