:root { 
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --success-color: #10b981;
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
}

body { 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6; 
    color: var(--text-dark); 
    margin: 0; 
    background: var(--bg-white);
    font-size: 16px;
}

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background: linear-gradient(to bottom right, #1e3a8a, #3b82f6);
    padding: 80px 0 100px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 auto 24px;
    max-width: 900px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto 40px;
}

.cta-section {
    margin-bottom: 60px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: var(--primary-color);
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.btn-large {
    padding: 20px 50px;
    font-size: 1.25rem;
}

.install-note {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
}

.hero-image {
    margin-top: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* Social Proof Section */
.social-proof {
    background: var(--bg-white);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

.proof-text {
    text-align: center;
    color: var(--text-medium);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
    font-weight: 600;
}

.proof-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}

.stat-item strong {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-item span {
    display: block;
    color: var(--text-medium);
    font-size: 14px;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-medium);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-card.featured {
    border: 2px solid var(--primary-color);
    position: relative;
}

.feature-card.featured::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin: 0 0 16px 0;
    color: var(--text-dark);
}

.feature-card > p {
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 8px 0;
    color: var(--text-medium);
    font-size: 15px;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step-item {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.step-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-item p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* Trust Section */
.trust-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.trust-content h2 {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.trust-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.trust-item {
    text-align: center;
    padding: 32px 24px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.trust-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.trust-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.trust-item p {
    color: var(--text-medium);
    font-size: 15px;
    margin: 0;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-banner h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-banner > p {
    font-size: 1.125rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-subtext {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
}

/* Contact Section */
.contact-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.contact-card {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: 60px 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.contact-card h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.contact-card > p {
    font-size: 1.125rem;
    color: var(--text-medium);
    margin-bottom: 40px;
}

.contact-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.0625rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.email-btn {
    background: var(--primary-color);
    color: white;
}

.email-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.support-btn {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.support-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Blog Section */
.blog-section {
    padding: 80px 0;
    background: white;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.article-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.article-card h3 {
    margin: 0 0 12px 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.article-card h3 a {
    color: var(--text-dark);
    text-decoration: none;
}

.article-card h3 a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 16px;
}

.article-meta {
    font-size: 14px;
    color: var(--text-light);
}

/* Pagination */
.pagebar {
    text-align: center;
    padding: 40px 0 0;
    margin-top: 40px;
}

.pagebar a,
.pagebar span {
    display: inline-block;
    padding: 10px 16px;
    margin: 0 4px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}

.pagebar a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagebar span.current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}


/* Blog Section */
.blog-section {
    padding: 60px 0;
    border-top: 1px solid #e2e8f0;
}

.blog-section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: #0f172a;
}

/* Benefits Section */
.benefits-section {
    padding: 60px 0;
    background: #f8fafc;
    margin-top: 40px;
}

.benefits-section h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
    color: #0f172a;
}

.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.benefit-item {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.benefit-item h3 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.benefit-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefit-item li {
    padding: 10px 0;
    color: var(--text-dark);
    line-height: 1.6;
    border-bottom: 1px solid #f1f5f9;
}

.benefit-item li:last-child {
    border-bottom: none;
}

.articles {
    display: grid;
    gap: 30px;
}

.article-item {
    padding: 24px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    transition: all 0.3s;
}

.article-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.article-item h3 {
    margin: 0 0 12px 0;
    font-size: 1.5rem;
}

.article-item h3 a {
    color: var(--text-dark);
    text-decoration: none;
}

.article-item h3 a:hover {
    color: var(--primary-color);
}

.article-meta {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.article-meta span {
    margin-right: 16px;
}

.article-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Simple Header */
.simple-header {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: 20px 0;
}

.simple-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo img {
    width: 48px;
    height: 48px;
}

.site-nav a {
    color: var(--text-dark);
    text-decoration: none;
    margin-left: 24px;
    font-weight: 500;
}

.site-nav a:hover {
    color: var(--primary-color);
}

/* Post Single */
.post-content {
    max-width: 800px;
    margin: 60px auto;
    padding: 0 20px;
}

.post-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #0f172a;
}

.post-meta {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
}

.post-meta span {
    margin-right: 16px;
}

.post-body {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

.post-tags {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.post-tags .tag {
    display: inline-block;
    background: #f1f5f9;
    color: var(--text-dark);
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    margin-right: 8px;
    font-size: 0.875rem;
}

.post-tags .tag:hover {
    background: var(--primary-color);
    color: white;
}

/* Page Template */
.page-container {
    max-width: 900px;
    margin: 60px auto;
    padding: 0 20px;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #0f172a;
}

.page-body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.page-body h3 {
    margin-top: 32px;
    margin-bottom: 16px;
    color: #0f172a;
}

.page-body p {
    margin-bottom: 16px;
}

/* Comments */
.comments-section {
    max-width: 800px;
    margin: 60px auto 40px;
    padding: 0 20px;
}

#comments h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: #0f172a;
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comment-item {
    padding: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin-bottom: 16px;
}

.comment-author {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.comment-author .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 12px;
}

.comment-author strong {
    color: var(--text-dark);
    margin-right: 12px;
}

.comment-date {
    font-size: 0.875rem;
    color: var(--text-light);
}

.comment-content {
    color: var(--text-dark);
    line-height: 1.6;
}

.no-comments {
    color: var(--text-light);
    font-style: italic;
}

/* Pagination */
.pagebar {
    text-align: center;
    padding: 40px 0;
    margin-top: 40px;
}

.pagebar a,
.pagebar span {
    display: inline-block;
    padding: 8px 16px;
    margin: 0 4px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.2s;
}

.pagebar a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagebar span.current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Footer */
footer { 
    background: #f1f5f9; 
    padding: 60px 0; 
    margin-top: 40px; 
    font-size: 0.875rem; 
    color: var(--text-light); 
}

.footer-content { 
    text-align: center; 
}

.footer-links { 
    margin-bottom: 24px; 
}

.footer-links a { 
    color: var(--text-dark); 
    text-decoration: none; 
    margin: 0 15px; 
    font-weight: 500; 
}

.footer-links a:hover { 
    color: var(--primary-color); 
}

.disclaimer { 
    max-width: 800px; 
    margin: 24px auto 0; 
    line-height: 1.5; 
    border-top: 1px solid #e2e8f0; 
    padding-top: 24px; 
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .post-title,
    .page-title {
        font-size: 1.75rem;
    }
    
    .simple-header .container {
        flex-direction: column;
        gap: 16px;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .contact-btn {
        width: 100%;
        justify-content: center;
    }
}