.project-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.custom-card {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border: 1px solid #d1d5db;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.modal-backdrop {
    backdrop-filter: blur(4px);
}

.modal-content {
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    max-height: calc(85vh - 180px);
}

.modal-body::-webkit-scrollbar {
    width: 4px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f3f4f6;
}

.modal-body::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 2px;
}

.filter-btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    border: 1px solid #d1d5db;
    background: #ffffff;
    color: #374151;
    white-space: nowrap;
    flex-shrink: 0;
}

.filter-btn.active {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
}

.filter-btn:hover:not(.active) {
    background: #f9fafb;
}

.filter-container {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filter-container::-webkit-scrollbar {
    display: none;
}

.tech-badge {
    background: #ffffff;
    color: #4b5563;
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-weight: 500;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.btn-primary {
    background: #3b82f6;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.875rem;
}

.btn-primary:hover {
    background: #2563eb;
}

.btn-success {
    background: #10b981;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.875rem;
}

.btn-success:hover {
    background: #059669;
}

.btn-call {
    background: #6366f1;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.875rem;
}

.btn-call:hover {
    background: #4f46e5;
}

@media (min-width: 1024px) {
    .filter-btn {
        font-size: 0.9rem;
        padding: 0.625rem 1.25rem;
    }
}

@media (max-width: 767px) {
    .filter-btn {
        font-size: 0.8rem;
        padding: 0.5rem 0.875rem;
    }
    
    .modal-content {
        max-height: 80vh;
        margin-top: 2rem;
        margin-bottom: 2rem;
    }
    
    .modal-body {
        max-height: calc(80vh - 160px);
    }
}