/* Reset ve Base Styles */
* {
    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, #f8fafc 0%, #f1f5f9 100%);
    min-height: 100vh;
}

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

/* Header Styles */
.header {
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #e2e8f0;
    padding: 3rem 0;
}

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

.title {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 1.5rem 0;
}

.brand {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: #64748b;
    margin-left: 0.5rem;
}

.description {
    font-size: 1.125rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    font-size: 0.875rem;
    color: #64748b;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.stat-dot.green {
    background-color: #10b981;
}

.stat-dot.blue {
    background-color: #3b82f6;
}

/* Contact Section */
.contact-section {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.whatsapp-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    background: linear-gradient(135deg, #128c7e, #25d366);
}

.whatsapp-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.phone-number {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

/* Price Section */
.price-section {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

.price-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 2rem;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.price-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #3b82f6;
}

.price-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.price-icon {
    width: 32px;
    height: 32px;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.price-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
}

.price-amount {
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: #3b82f6;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: #1f2937;
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: #64748b;
    font-weight: 500;
}

.price-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: #374151;
}

.check-icon {
    width: 16px;
    height: 16px;
    color: #10b981;
    flex-shrink: 0;
}

/* Filter Section */
.filter-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin: 3rem 0;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #e2e8f0;
    background: white;
    color: #64748b;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.filter-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.filter-btn.active {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

/* Sites Grid */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.site-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f1f5f9;
    transition: all 0.4s ease;
    position: relative;
}

.site-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Card Image */
.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.site-card:hover .card-image img {
    transform: scale(1.1);
}

.card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.site-card:hover .card-image::after {
    opacity: 1;
}

/* Category Badge */
.category-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.5rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.category-badge.health {
    background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.category-badge.service {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
}

.category-badge.corporate {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
}

.category-badge.finance {
    background: linear-gradient(135deg, #10b981, #14b8a6);
}

/* Visit Button (Hover) */
.visit-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #374151;
    font-size: 1.25rem;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

.site-card:hover .visit-btn {
    opacity: 1;
    transform: translateY(0);
}

.visit-btn:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Card Content */
.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.site-card:hover .card-title {
    color: #3b82f6;
}

.card-description {
    color: #64748b;
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tech Stack */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 1.25rem;
}

.tech-tag {
    padding: 0.25rem 0.625rem;
    background: #f1f5f9;
    color: #475569;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.tech-tag:hover {
    background: #e2e8f0;
    transform: translateY(-1px);
}

/* URL Display */
.url-display {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.75rem;
    margin-bottom: 1.25rem;
}

.url-label {
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.url-text {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    color: #3b82f6;
    word-break: break-all;
}

/* Visit Button */
.visit-button {
    width: 100%;
    padding: 0.75rem;
    border-radius: 12px;
    text-decoration: none;
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.visit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.visit-button.health {
    background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.visit-button.service {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
}

.visit-button.corporate {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
}

.visit-button.finance {
    background: linear-gradient(135deg, #10b981, #14b8a6);
}

/* Footer */
.footer {
    background: white;
    border-top: 1px solid #e2e8f0;
    padding: 3rem 0;
    margin-top: 4rem;
}

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

.footer-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.code-icon {
    width: 48px;
    height: 48px;
    color: #3b82f6;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 12px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.footer-brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-description {
    color: #64748b;
    margin-bottom: 1.5rem;
}

.footer-contact {
    margin-bottom: 2rem;
}

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.25);
    transition: all 0.3s ease;
}

.footer-whatsapp:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

.whatsapp-icon-small {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.footer-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    font-size: 0.875rem;
    color: #64748b;
}

.footer-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Hidden class for filtering */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 2rem 0;
    }
    
    .title {
        font-size: 1.5rem;
    }
    
    .subtitle {
        margin-left: 0;
        margin-top: 0.25rem;
    }
    
    .description {
        font-size: 1rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-section {
        margin-top: 1.5rem;
    }
    
    .whatsapp-btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .phone-number {
        font-size: 0.8rem;
    }
    
    .price-section {
        margin-top: 2rem;
    }
    
    .price-card {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .price-amount {
        margin-bottom: 1.5rem;
    }
    
    .amount {
        font-size: 2.5rem;
    }
    
    .filter-section {
        margin: 2rem 0;
    }
    
    .sites-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-contact {
        margin-bottom: 1.5rem;
    }
    
    .footer-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .whatsapp-btn {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem 1.25rem;
        text-align: center;
    }
    
    .price-card {
        padding: 1.25rem;
    }
    
    .amount {
        font-size: 2.25rem;
    }
    
    .price-features {
        gap: 0.5rem;
    }
    
    .feature-item {
        font-size: 0.8rem;
    }
    
    .filter-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.8rem;
    }
    
    .card-content {
        padding: 1.25rem;
    }
    
    .card-title {
        font-size: 1.125rem;
    }
}