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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-title {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #ffd700;
}

main {
    margin-top: 80px;
}

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

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: #ffd700;
    color: #333;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-size: 1.1rem;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.features {
    padding: 4rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: #667eea;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

.how-to-use {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.how-to-use h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.step-number {
    background: #ffd700;
    color: #333;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.step-content p {
    opacity: 0.9;
    line-height: 1.6;
}

.support {
    padding: 4rem 0;
    background: white;
    text-align: center;
}

.support h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.support-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    margin: 2rem 0;
    font-size: 1.1rem;
}

.support-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.support-link:hover {
    text-decoration: underline;
}

.policy-note {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #666;
}

.policy-note a {
    color: #667eea;
    text-decoration: none;
}

.policy-note a:hover {
    text-decoration: underline;
}

.page-content {
    padding: 4rem 0;
    background: white;
    min-height: calc(100vh - 160px);
}

.page-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
    text-align: center;
}

.intro {
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.policy-section {
    margin-bottom: 2.5rem;
    background: #f8fafc;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.policy-section h2 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.policy-section ul {
    list-style-type: disc;
    margin-left: 2rem;
}

.policy-section li {
    margin-bottom: 0.5rem;
    color: #555;
    line-height: 1.6;
}

.policy-section p {
    color: #555;
    line-height: 1.6;
}

.last-updated {
    text-align: center;
    margin: 3rem 0;
    padding: 1rem;
    background: #e2e8f0;
    border-radius: 8px;
}

.contact-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.contact-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.contact-section a {
    color: #ffd700;
    text-decoration: none;
}

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

.links-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.links-grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.link-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.link-card h3 {
    color: #333;
    margin-bottom: 1rem;
}

.link-card p {
    margin-bottom: 1.5rem;
    color: #666;
}

.external-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.external-link:hover {
    background-color: #0056b3;
}

.links-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.links-section .page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.links-section .page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.links-section .intro {
    max-width: 800px;
    margin: 0 auto;
    color: #666;
}

.links-section .links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.links-section .link-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 200px;
}

.links-section .link-item h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.links-section .link-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.links-section .link-item p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.links-section .link-item .cta-button {
    margin-top: auto;
    width: 100%;
}

@media (min-width: 1200px) {
    .links-section .links-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) and (min-width: 641px) {
    .links-section .links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .links-section .links-grid {
        grid-template-columns: 1fr;
    }
}

.footer {
    background: #333;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

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

.hamburger {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-menu.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    flex-direction: column;
    padding: 1rem 0;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border-radius: 0 0 10px 10px;
}

.nav-menu.mobile-menu.mobile-open {
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

.nav-menu.mobile-menu li {
    margin: 0.5rem 0;
}

.nav-menu.mobile-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
    border-radius: 5px;
    margin: 0 1rem;
}

.nav-menu.mobile-menu a:hover,
.nav-menu.mobile-menu a.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffd700;
}

@media (max-width: 768px) {
    .nav-container {
        justify-content: space-between;
        align-items: center;
        position: relative;
    }
    
    .hamburger {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-menu.mobile-menu {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .features h2,
    .how-to-use h2,
    .support h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    main {
        margin-top: 120px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .features,
    .how-to-use,
    .support,
    .page-content {
        padding: 2rem 0;
    }
    
    .feature-card,
    .policy-section {
        padding: 1.5rem;
    }
}