/* Reset e Base */
* {
    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: #1a1a1a;
    background: #ffffff;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(30, 41, 59, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.logo i {
    color: #10b981;
    font-size: 1.8rem;
}

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

.nav a {
    text-decoration: none;
    color: #e2e8f0;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: #10b981;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #10b981, #059669);
    transition: width 0.3s ease;
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #e2e8f0;
}

/* Blog Hero */
.blog-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 120px 0 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(16,185,129,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.blog-hero-content {
    position: relative;
    z-index: 2;
}

.blog-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #10b981, #059669, #047857);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    color: #cbd5e1;
}

/* Blog Categories */
.blog-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.category-btn {
    background: white;
    border: 2px solid #10b981;
    color: #10b981;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.category-btn:hover,
.category-btn.active {
    background: #10b981;
    color: white;
    border-color: #10b981;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
    transform: translateY(-2px);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    min-height: 400px;
    align-items: start;
}

.blog-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    opacity: 1;
    display: block;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.blog-card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(16,185,129,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.blog-card-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.5rem;
}

.blog-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
    font-weight: 600;
}

.blog-card p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #94a3b8;
    margin-bottom: 1rem;
}

.blog-card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.blog-tag {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.blog-card .btn {
    margin-top: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #10b981, #059669);
    color: white;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 2px solid rgba(16, 185, 129, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(16, 185, 129, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #10b981;
    border: 2px solid #10b981;
}

.btn-outline:hover {
    background: #10b981;
    color: white;
    transform: translateY(-2px);
}

/* Newsletter */
.blog-newsletter {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 3rem 0;
    margin: 3rem 0;
    position: relative;
    overflow: hidden;
}

.blog-newsletter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(16,185,129,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.newsletter-content h2 {
    background: linear-gradient(45deg, #10b981, #059669, #047857);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.newsletter-content p {
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 0.8rem 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
    color: #cbd5e1;
}

.newsletter-form .btn {
    padding: 0.8rem 2rem;
    white-space: nowrap;
}

/* Post Hero */
.post-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 120px 0 60px 0;
    position: relative;
    overflow: hidden;
}

.post-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(16,185,129,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.post-hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.post-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(45deg, #10b981, #059669, #047857);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.post-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1rem 0;
    opacity: 0.9;
    font-size: 0.9rem;
    color: #cbd5e1;
}

/* Post Content */
.post-content {
    max-width: 800px;
    margin: 3rem auto;
    line-height: 1.8;
    color: #1a1a1a;
}

.post-content h2 {
    color: #10b981;
    font-size: 1.8rem;
    margin: 2rem 0 1rem 0;
    font-weight: 600;
}

.post-content h3 {
    color: #1a1a1a;
    font-size: 1.4rem;
    margin: 1.5rem 0 0.8rem 0;
    font-weight: 600;
}

.post-content p {
    margin-bottom: 1.2rem;
    color: #374151;
}

.post-content ul, .post-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.post-content li {
    margin-bottom: 0.5rem;
    color: #374151;
}

.highlight-box {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid #10b981;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.checklist {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.checklist h4 {
    color: #10b981;
    margin-bottom: 1rem;
    font-weight: 600;
}

.checklist-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.checklist-item input[type="checkbox"] {
    margin-right: 0.5rem;
    accent-color: #10b981;
}

.cost-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
}

.cost-table th {
    background: linear-gradient(45deg, #10b981, #059669);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.cost-table td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    color: #374151;
}

.cost-table tr:last-child td {
    border-bottom: none;
}

.cost-table tr:nth-child(even) {
    background: #f8fafc;
}

.cta-box {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(16,185,129,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.cta-box h3 {
    color: white;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.cta-box p {
    color: #cbd5e1;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.cta-box .btn {
    margin-top: 1rem;
    position: relative;
    z-index: 2;
}

/* Related Posts */
.related-posts {
    background: #f8fafc;
    padding: 3rem 0;
    margin-top: 3rem;
}

.related-posts h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: #1a1a1a;
    font-weight: 600;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.related-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    border: 1px solid #e2e8f0;
}

.related-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.related-card h4 {
    color: #10b981;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.related-card h4 a {
    color: inherit;
    text-decoration: none;
}

.related-card h4 a:hover {
    text-decoration: underline;
}

.related-card p {
    color: #64748b;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #0f172a;
    color: #e2e8f0;
    padding: 3rem 0 1rem 0;
}

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

.footer-brand p {
    color: #94a3b8;
    margin-top: 1rem;
}

.footer-links h4,
.footer-services h4,
.footer-social h4 {
    color: #10b981;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links a,
.footer-services a {
    display: block;
    color: #cbd5e1;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-services a:hover {
    color: #10b981;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #10b981;
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .blog-hero h1,
    .post-hero h1 {
        font-size: 2rem;
    }
    
    .post-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        min-width: auto;
    }
    
    .blog-categories {
        gap: 0.5rem;
    }
    
    .category-btn {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .blog-hero h1,
    .post-hero h1 {
        font-size: 1.8rem;
    }
    
    .blog-hero p,
    .post-hero p {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .blog-card-content {
        padding: 1rem;
    }
    
    .related-card {
        padding: 1rem;
    }
}

.blog-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.blog-card-link:focus,
.blog-card-link:hover {
    text-decoration: none;
    color: inherit;
}