/* Projects Page Styles */
.projects-page {
    min-height: 100vh;
    background: #f8f9fa;
    padding: 2rem 0;
    padding-top: 90px; /* Account for fixed navbar */
}

/* Header Section */
.projects-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 2rem;
}

.projects-header h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.projects-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    padding: 0 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 1rem 2rem;
    border: 2px solid #e9ecef;
    background: white;
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.filter-btn:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* Projects Container */
.projects-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

/* Project Cards */
.project-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.project-card.hidden {
    display: none;
}

/* Project Header */
.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.project-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-status.ongoing {
    background: #e3f2fd;
    color: #1976d2;
    border: 2px solid #bbdefb;
}

.project-status.completed {
    background: #e8f5e8;
    color: #2e7d32;
    border: 2px solid #c8e6c9;
}

.project-status.grants {
    background: #fff3e0;
    color: #f57c00;
    border: 2px solid #ffcc02;
}

/* Project Content */
.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.project-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.project-title a:hover {
    color: #667eea;
    text-decoration: none;
}

.project-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* Project Details */
.project-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-role {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2e7d32;
    font-weight: 600;
    font-size: 0.9rem;
}

.project-role i {
    font-size: 1rem;
}

.project-funding {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #667eea;
    font-weight: 500;
}

.project-funding i {
    font-size: 1rem;
}

.project-year {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.project-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-tag {
    padding: 0.4rem 0.8rem;
    background: #f8f9fa;
    color: #495057;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #e9ecef;
    transition: all 0.2s ease;
}

.tech-tag:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* Statistics Section */
.projects-stats {
    background: white;
    border-radius: 16px;
    padding: 3rem 2rem;
    margin: 0 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card {
    animation: fadeInUp 0.6s ease forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }
.project-card:nth-child(7) { animation-delay: 0.7s; }

/* Responsive Design */
@media (max-width: 768px) {
    .projects-header h1 {
        font-size: 2.5rem;
    }
    
    .projects-header p {
        font-size: 1.1rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }
    
    .filter-btn {
        min-width: 200px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card {
        padding: 1.5rem;
    }
    
    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .project-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .project-title {
        font-size: 1.2rem;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .projects-header h1 {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .project-card {
        padding: 1.2rem;
    }
    
    .project-details {
        gap: 0.8rem;
    }
    
    .tech-tag {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .projects-stats {
        padding: 2rem 1rem;
        margin: 0 1rem;
    }
}

/* Filter Animation */
.project-card.filtering-out {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.project-card.filtering-in {
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s ease;
}