/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header Styles */
.header {
    background: #00854d;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 133, 77, 0.1);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.nav {
    display: flex;
    gap: 2rem;
}

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

.nav-link:hover {
    opacity: 0.8;
}

.cta-button {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    display: block;
    font-size: 2rem;
    color: #00854d;
    font-weight: 600;
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.2rem;
    color: #6c757d;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.download-button {
    background: #00854d;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 133, 77, 0.3);
}

.download-button:hover {
    background: #006b3f;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 133, 77, 0.4);
}

.secondary-button {
    background: transparent;
    color: #6c757d;
    border: 2px solid #dee2e6;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    border-color: #00854d;
    color: #00854d;
}

/* How it Works Section */
.how-it-works {
    padding: 5rem 0;
    background: white;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.section-title u {
    text-decoration: underline;
    text-decoration-color: #00854d;
    text-decoration-thickness: 3px;
    text-underline-offset: 8px;
}

.section-description {
    font-size: 1.1rem;
    color: #6c757d;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.step-number {
    background: #00854d;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.step-description {
    color: #6c757d;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Technical Specifications */
.tech-specs {
    padding: 5rem 0;
    background: white;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.spec-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #00854d;
}

.spec-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.spec-card ul {
    list-style: none;
    padding: 0;
}

.spec-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
    color: #495057;
}

.spec-card li:last-child {
    border-bottom: none;
}

.spec-card strong {
    color: #00854d;
    font-weight: 600;
}

/* Cryptocurrency Support */
.crypto-support {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

.crypto-category {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.crypto-category h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    text-align: center;
}

.crypto-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.crypto-item {
    background: #e8f5e8;
    color: #00854d;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Download Section */
.download-section {
    padding: 5rem 0;
    background: white;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.download-card {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.download-card:hover {
    border-color: #00854d;
    transform: translateY(-5px);
}

.os-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.download-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.download-card p {
    color: #6c757d;
    margin-bottom: 2rem;
}

.download-details {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: #6c757d;
}

.download-note {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 2rem;
    text-align: center;
}

.download-note p {
    margin: 0;
    color: #856404;
}

.download-os-btn {
    background: #00854d;
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.download-os-btn:hover {
    background: #006b3f;
    transform: translateY(-2px);
}

/* Troubleshooting Section */
.troubleshooting {
    padding: 5rem 0;
    background: white;
}

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

.trouble-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border-top: 4px solid #dc3545;
}

.trouble-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.trouble-content p {
    font-weight: 600;
    color: #495057;
    margin-bottom: 1rem;
}

.trouble-content ul {
    list-style: none;
    padding: 0;
}

.trouble-content li {
    padding: 0.3rem 0;
    color: #6c757d;
    position: relative;
    padding-left: 1.5rem;
}

.trouble-content li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #00854d;
    font-weight: bold;
}

/* Security Information */
.security-info {
    padding: 5rem 0;
    background: #f8f9fa;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.security-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border-top: 4px solid #00854d;
}

.security-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.security-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.security-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Installation Guide */
.installation-guide {
    padding: 5rem 0;
    background: white;
}

.guide-tabs {
    margin-top: 3rem;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: #00854d;
    color: white;
    border-color: #00854d;
}

.tab-content {
    max-width: 800px;
    margin: 0 auto;
}

.tab-panel {
    display: none;
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
}

.tab-panel.active {
    display: block;
}

.tab-panel h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.tab-panel ol {
    margin-bottom: 1.5rem;
}

.tab-panel li {
    padding: 0.5rem 0;
    color: #495057;
    line-height: 1.6;
}

.tab-panel code {
    background: #e9ecef;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #495057;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background: #f8f9fa;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.faq-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.faq-item p {
    color: #6c757d;
    line-height: 1.6;
}

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

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

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00854d;
}

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

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

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

.footer-section ul li a:hover {
    color: #00854d;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

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

.footer-bottom a {
    color: #00854d;
    text-decoration: none;
}

/* Legal Pages Styles */
.legal-page {
    padding: 5rem 0;
    background: white;
    min-height: 70vh;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-content h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    border-bottom: 3px solid #00854d;
    padding-bottom: 1rem;
}

.legal-content h2 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin: 2.5rem 0 1rem 0;
    border-left: 4px solid #00854d;
    padding-left: 1rem;
}

.legal-content h3 {
    font-size: 1.3rem;
    color: #495057;
    margin: 1.5rem 0 0.8rem 0;
}

.legal-content p {
    margin-bottom: 1rem;
    color: #495057;
}

.legal-content ul {
    margin: 1rem 0 1.5rem 2rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    color: #6c757d;
}

.last-updated {
    font-style: italic;
    color: #6c757d;
    border: 1px solid #e9ecef;
    background: #f8f9fa;
    padding: 0.8rem;
    border-radius: 6px;
    margin-bottom: 2rem;
}

/* Contact Page Styles */
.contact-page {
    padding: 5rem 0;
    background: #f8f9fa;
    min-height: 70vh;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-content h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 1rem;
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.contact-method h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: #6c757d;
    margin-bottom: 0.5rem;
}

.contact-method a {
    color: #00854d;
    text-decoration: none;
    font-weight: 600;
}

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

.contact-form-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00854d;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    width: auto;
}

.submit-btn {
    background: #00854d;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #006b3f;
}

.official-support {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: center;
}

.official-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.official-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #f8f9fa;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    color: #2c3e50;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.official-link:hover {
    background: #00854d;
    color: white;
    border-color: #00854d;
}

.faq-quick {
    background: white;
    padding: 2rem;
    border-radius: 12px;
}

.quick-faq {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.faq-item-quick {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #00854d;
}

.faq-item-quick h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.faq-item-quick p {
    color: #6c757d;
    margin: 0;
}

/* About Page Styles */
.about-page {
    padding: 5rem 0;
    background: #f8f9fa;
    min-height: 70vh;
}

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

.about-content h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 3px solid #00854d;
    padding-bottom: 1rem;
}

.about-intro {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-intro p {
    font-size: 1.1rem;
    color: #495057;
    line-height: 1.7;
    margin: 0;
}

.about-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-section {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-section h2 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    border-left: 4px solid #00854d;
    padding-left: 1rem;
}

.about-section h3 {
    font-size: 1.3rem;
    color: #495057;
    margin: 1.5rem 0 0.8rem 0;
}

.about-section p {
    color: #495057;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.about-section ul {
    margin: 1rem 0 1.5rem 2rem;
}

.about-section li {
    margin-bottom: 0.5rem;
    color: #6c757d;
}

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

.platform-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-top: 4px solid #00854d;
}

.platform-item h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.platform-item ul {
    margin: 0;
    padding-left: 1.5rem;
}

.about-faq {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.faq-item-about {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #00854d;
}

.faq-item-about h4 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.faq-item-about p {
    color: #6c757d;
    margin: 0;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #00854d;
        padding: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-button,
    .secondary-button {
        width: 100%;
        max-width: 300px;
    }
    
    .steps-grid,
    .features-grid,
    .download-grid,
    .faq-grid,
    .specs-grid,
    .crypto-grid,
    .troubleshooting-grid,
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 200px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .official-links {
        flex-direction: column;
        align-items: center;
    }
    
    .official-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .quick-faq {
        grid-template-columns: 1fr;
    }
    
    .platform-grid {
        grid-template-columns: 1fr;
    }
    
    .about-faq {
        grid-template-columns: 1fr;
    }
    
    .legal-content h1 {
        font-size: 2rem;
    }
    
    .about-content h1 {
        font-size: 2rem;
    }
}

/* Performance Optimizations */
.step-card,
.feature-card,
.download-card,
.faq-item {
    will-change: transform, opacity;
    transform: translateZ(0);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-card,
.feature-card,
.download-card,
.faq-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}