/* 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-color: #fff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #2563eb;
}

.nav-logo h3 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #fbbf24;
    color: #1f2937;
}

.btn-primary:hover {
    background: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(251, 191, 36, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #764ba2;
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

/* About Section */
.about {
    background: #f8fafc;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #64748b;
    margin-bottom: 1.5rem;
}

.about-info {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.info-label {
    font-weight: 600;
    color: #1f2937;
}

.info-value {
    color: #64748b;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.skill-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.skill-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Page Header Styles */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Projects Section */
.projects-section {
    padding: 80px 0;
    background: #f8fafc;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Enhanced Features Section */
.features-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.features-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.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 {
    color: #64748b;
    font-weight: 500;
    font-size: 1.1rem;
}

/* Search Section */
.search-section {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid #e5e7eb;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-box {
    position: relative;
    background: #f8fafc;
    border: 2px solid #e5e7eb;
    border-radius: 50px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box i {
    color: #64748b;
    margin-right: 1rem;
    font-size: 1.1rem;
}

.search-box input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 1rem;
    color: #1f2937;
}

.search-box input::placeholder {
    color: #9ca3af;
}

.search-clear {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.search-clear:hover {
    background: #e5e7eb;
    color: #1f2937;
}

.search-results {
    margin-top: 1rem;
    text-align: center;
}

.search-results-info {
    color: #64748b;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: #f8fafc;
    border-radius: 20px;
    display: inline-block;
}

/* Enhanced Filter Section */
.filter-header {
    text-align: center;
    margin-bottom: 2rem;
}

.filter-header h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.filter-subtitle {
    color: #64748b;
    font-size: 1.1rem;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    padding: 12px 20px;
    border: 2px solid #e5e7eb;
    background: white;
    color: #64748b;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: #64748b;
    font-size: 1.1rem;
}

.view-toggle {
    display: flex;
    background: #f1f5f9;
    border-radius: 10px;
    padding: 4px;
    gap: 4px;
}

.view-toggle-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: #64748b;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-toggle-btn.active {
    background: white;
    color: #667eea;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Category Badge */
.category-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    z-index: 5;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: #64748b;
}

.no-results i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #cbd5e1;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #475569;
}

.no-results p {
    font-size: 1rem;
    color: #64748b;
}

/* List View */
.list-view {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.5rem !important;
}

.list-view .certificate-card {
    display: flex !important;
    flex-direction: row !important;
    max-width: 100% !important;
}

.list-view .certificate-image {
    width: 300px !important;
    height: 200px !important;
    flex-shrink: 0;
}

.list-view .certificate-content {
    flex: 1;
    text-align: left;
}

/* Load More */
.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

.load-more-btn {
    padding: 12px 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

/* Image Loading */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Page Header */
.page-header {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::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(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.header-content {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Filter Section */
.filter-section {
    padding: 40px 0;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 80px;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    padding: 12px 24px;
    border: 2px solid #e5e7eb;
    background: white;
    color: #64748b;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

/* Certificates Section */
.certificates-section {
    padding: 80px 0;
    background: #f8fafc;
    min-height: 60vh;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    animation: fadeInUp 0.6s ease-out;
}

/* Certificate Cards */
.certificate-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid #e5e7eb;
}

.certificate-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.certificate-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    cursor: pointer;
}

.certificate-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8), rgba(118, 75, 162, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.certificate-image:hover .image-overlay {
    opacity: 1;
}

.image-overlay i {
    color: white;
    font-size: 2rem;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.certificate-image:hover .image-overlay i {
    transform: scale(1);
}

.certificate-content {
    padding: 2rem;
    text-align: left;
}

.certificate-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    text-align: left;
}

.certificate-organization {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    text-align: left;
}

.certificate-date {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: left;
}

.certificate-date::before {
    content: '📅';
    font-size: 0.8rem;
}

.certificate-description {
    color: #475569;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    background: #f8fafc;
    padding: 1rem;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    font-weight: 400;
    text-align: left;
    min-height: 60px;
    display: flex;
    align-items: center;
}

.certificate-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.view-btn, .download-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    flex: 1;
    justify-content: center;
}

.view-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.download-btn {
    background: #f1f5f9;
    color: #64748b;
    border: 1px solid #e5e7eb;
}

.download-btn:hover {
    background: #e5e7eb;
    color: #1f2937;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 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);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: 20px;
    max-width: 800px;
    max-height: 90vh;
    width: 90%;
    overflow: hidden;
    position: relative;
    animation: modalSlideIn 0.4s ease-out;
    display: flex;
    flex-direction: column;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.close-modal:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

#modalImage {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    background: #f8fafc;
}

.modal-info {
    padding: 2rem;
}

.modal-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.modal-info p {
    color: #475569;
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 1rem;
    background: #f8fafc;
    padding: 1.2rem;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    font-weight: 400;
}

.modal-info .download-btn {
    margin-top: 1.5rem;
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    width: 100%;
    justify-content: center;
}

.modal-info .download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

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

@keyframes modalSlideIn {
    from {
        transform: scale(0.8) translateY(50px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 60px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .filter-section {
        position: static;
        padding: 30px 0;
    }
    
    .filter-buttons {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certificate-content {
        padding: 1.5rem;
    }
    
    .certificate-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-info {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.8rem;
    }
    
    .certificate-title {
        font-size: 1.2rem;
    }
    
    .certificate-image {
        height: 150px;
    }
}

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

.certification-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.certification-link:hover {
    color: #1d4ed8;
}

/* Active Navigation Link */
.nav-link.active {
    color: #2563eb;
}

.nav-link.active::after {
    width: 100%;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder {
    font-size: 3rem;
    color: white;
    opacity: 0.8;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    background: #e0e7ff;
    color: #2563eb;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

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

.project-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: #1d4ed8;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.contact-info p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 2rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #64748b;
}

.contact-item i {
    color: #2563eb;
    width: 20px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e0e7ff;
    color: #2563eb;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-3px);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .page-title {
        font-size: 2rem;
    }

    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .certification-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1rem;
        min-height: 350px;
    }

    .certification-links {
        justify-content: center;
    }

    .about-info {
        flex-direction: column;
        gap: 1rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hero-container {
        padding: 0 15px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #2563eb;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1d4ed8;
}