/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.header-title i {
    color: #667eea;
}

.header-subtitle {
    font-size: 1.1rem;
    color: #718096;
    font-weight: 400;
}

/* Main content */
.main {
    padding: 3rem 0;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
    align-items: center;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
}

.search-box input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    font-size: 1rem;
    background: white;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #e2e8f0;
    background: white;
    color: #4a5568;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.filter-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid #e2e8f0;
}

.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.project-biline {
    font-size: 1rem;
    font-weight: 500;
    color: #667eea;
    margin-bottom: 0.5rem;
    font-style: italic;
}

.project-description {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #a0aec0;
}

.project-category {
    background: #f7fafc;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-weight: 500;
}

.project-date {
    color: #a0aec0;
}

/* Loading state */
.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: white;
}

.loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* No results */
.no-results {
    text-align: center;
    padding: 3rem;
    color: white;
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.no-results h3 {
    margin-bottom: 0.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    right: 20px;
    top: 15px;
    z-index: 1001;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #000;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.modal-image {
    background: #f7fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
}

.modal-info {
    padding: 2rem;
}

.modal-info h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

.modal-biline {
    font-size: 1.1rem;
    font-weight: 500;
    color: #667eea;
    margin-bottom: 1rem;
    font-style: italic;
}

.modal-info p {
    color: #718096;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.modal-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f7fafc;
    border-radius: 10px;
}

.detail-item i {
    color: #667eea;
    width: 20px;
}

.detail-item a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.detail-item a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    color: #718096;
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-title {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-image {
        min-height: 200px;
    }
    
    .controls {
        gap: 1rem;
    }
    
    .filter-buttons {
        gap: 0.25rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 1.5rem 0;
    }
    
    .main {
        padding: 2rem 0;
    }
    
    .project-info {
        padding: 0.75rem;
    }

    .project-title {
        font-size: 1rem;
    }

    .project-biline {
        font-size: 0.85rem;
    }

    .modal-info {
        padding: 1.5rem;
    }
}