:root {
    --primary-color: #333;
    --secondary-color: #666;
    --accent-color: #0066cc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --animation-timing: 0.3s;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--primary-color);
    background: #f8f9fa;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Animated Background */
header {
    position: relative;
    overflow: hidden;
    padding: 4rem 2rem;
    background: linear-gradient(45deg, #f56767, #5b82a8);
    z-index: 1;
}

.animated-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
    transform-origin: center center;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
    100% {
        transform: translateY(0) rotate(360deg);
    }
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        #0066cc, #2c3e50, #3498db, #2980b9
    );
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    z-index: -2;
}

/* Update header content styles for better visibility */
header h1, 
header .subtitle, 
header .cta-buttons {
    position: relative;
    z-index: 2;
}

header h1 {
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 1rem;
}

header .subtitle {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 800px;
    text-align: center;
    margin: 1.5rem auto;
}

header .btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    transition: all 0.3s ease;
}

header .btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Header Styles */
header {
    text-align: center;
    padding: 4rem 0;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    margin-bottom: 3rem;
    backdrop-filter: blur(10px);
    transition: transform var(--animation-timing);
}

header:hover {
    transform: translateY(-5px);
}

.profile-intro h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Button Styles */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--animation-timing);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn i {
    font-size: 1.1em;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-secondary {
    background: #f8f9fa;
    color: var(--primary-color);
    border: 2px solid var(--accent-color);
}

.btn-accent {
    background: #28a745;
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Section Styles */
section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
}

section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Projects Section */
#projects {
    padding: 50px 20px;
    background: #fff;
}

#projects h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    color: #2c3e50;
}

.projects-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: 30px;
}

.projects-tabs {
    width: 300px;
    flex-shrink: 0;
}

.projects-tabs ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0;
    margin: 0;
    position: sticky;
    top: 20px;
}

.projects-tabs li {
    cursor: pointer;
    padding: 15px 20px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: #f5f5f5;
    color: #2c3e50;
    border: 1px solid #e0e0e0;
    text-align: left;
}

.projects-tabs li:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.projects-tabs li.active {
    background: #2c3e50;
    color: white;
    border-color: #2c3e50;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

/* Project Content */
#projects-content {
    flex: 1;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 30px;
    text-align: left;
}

.project-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.project-title {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.project-role {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 25px;
    color: #3498db;
    font-weight: 500;
    margin-right: 15px;
}

.project-org {
    color: #666;
    font-size: 1.1rem;
}

.project-org i {
    margin-right: 8px;
    color: #3498db;
}

.project-body {
    color: #2c3e50;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tech-item {
    padding: 8px 16px;
    background: #f8f9fa;
    border-radius: 20px;
    color: #2c3e50;
    font-size: 0.95rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.tech-item i {
    color: #3498db;
}

.project-features,
.project-responsibilities {
    margin-top: 30px;
}

.project-features h4,
.project-responsibilities h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-features h4 i,
.project-responsibilities h4 i {
    color: #3498db;
}

.project-features ul,
.project-responsibilities ul {
    list-style: none;
    padding-left: 25px;
}

.project-features li,
.project-responsibilities li {
    position: relative;
    margin-bottom: 15px;
    line-height: 1.6;
    color: #4a5568;
    padding-left: 25px;
}

.project-features li::before,
.project-responsibilities li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

@media (max-width: 768px) {
    .projects-tabs li {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    #projects-content {
        padding: 20px;
        margin: 20px 10px;
    }
    
    .project-title {
        font-size: 1.5rem;
    }
    
    .project-role,
    .project-org {
        display: block;
        margin-bottom: 10px;
    }
}

/* Contact Popup */
.contact-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.popup-content {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    position: relative;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.contact-popup.active .popup-content {
    transform: translateY(0);
}

.close-popup {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
}

.close-popup:hover {
    color: #000;
}

.popup-content h3 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-details p {
    margin: 1rem 0;
    color: #666;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-details i {
    color: var(--accent-color);
    width: 20px;
}

.linkedin-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #0077b5;
    text-decoration: none;
    margin-top: 1.5rem;
    padding: 0.75rem 1rem;
    background: rgba(0, 119, 181, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.linkedin-link:hover {
    background: rgba(0, 119, 181, 0.2);
    transform: translateY(-2px);
}

/* Projects Section Styles */
.projects-container {
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.project-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateZ(0); /* Force GPU acceleration */
    will-change: transform; /* Optimize animations */
}

.project-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: transparent;
    position: relative;
    z-index: 2;
}

.project-title {
    flex: 1;
    padding-right: 1rem;
}

.project-title h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.project-role {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 15px;
}

.project-org {
    display: block;
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.project-toggle {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    transition: transform 0.3s ease;
}

.project-details {
    height: 0;
    opacity: 0;
    overflow: hidden;
    transition: height 0.3s ease, opacity 0.3s ease;
    background: #f8f9fa;
    padding: 0 1.5rem;
}

.project-details.active {
    height: auto;
    opacity: 1;
    padding: 1.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.features, .responsibilities {
    margin-bottom: 1.5rem;
}

.features h4, .responsibilities h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.features ul, .responsibilities ul {
    list-style: none;
    padding-left: 1.25rem;
}

.features li, .responsibilities li {
    position: relative;
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.features li::before, .responsibilities li::before {
    content: "";
    position: absolute;
    left: -1rem;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
}

.project-item.latest {
    background: linear-gradient(135deg, var(--accent-color), #0052a3);
    transform: none;
}

.project-item.latest .project-header {
    color: white;
}

.project-item.latest .project-title h3,
.project-item.latest .project-org {
    color: white;
}

.project-item.latest .project-role {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .project-header {
        padding: 1rem;
    }
    
    .project-details.active {
        padding: 1rem;
    }
    
    .project-title h3 {
        font-size: 1.1rem;
    }
}

/* Header text alignment */
header {
    text-align: center;
}

header .subtitle {
    text-align: center;
    margin: 1.5rem auto;
    max-width: 800px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    line-height: 1.6;
}

.social-icon {
    font-size: 1.5rem;
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-icon:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Fancy Footer */
footer {
    position: relative;
    padding: 2rem 0;
    background: linear-gradient(45deg, #1a1a1a, #2c3e50);
    overflow: hidden;
    margin-top: 4rem;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        #0066cc, #2c3e50, #3498db, #2980b9
    );
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    opacity: 0.8;
    z-index: 0;
}

.footer-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem 0;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.footer-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 50px;
}

.footer-wave .shape-fill {
    fill: #FFFFFF;
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Update header social icons */
.header-social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.header-social-links .social-icon {
    font-size: 1.2rem;
    width: 2.5rem;
    height: 2.5rem;
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.1);
    }
}

.section-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.section-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header {
        padding: 2rem 1rem;
    }

    .profile-intro h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

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

/* Contact Details */
.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.contact-details p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
}

/* Additional Animations */
.animate__animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

.animate__delay-1s {
    animation-delay: 1s;
}

.animate__delay-2s {
    animation-delay: 2s;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--text-spacing);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

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

.cert-item {
    padding: 2rem;
    border: 1px solid #eee;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: slideUp 0.5s ease-out;
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.15);
}

.cert-item ul {
    list-style-position: inside;
    margin-bottom: 1.5rem;
}

.cert-item li {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.cert-link {
    color: var(--accent-color);
    text-decoration: none;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.portfolio-item {
    padding: 2rem;
    border: 1px solid #eee;
    border-radius: 8px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tags span {
    padding: 0.3rem 0.8rem;
    background-color: #f5f5f5;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.read-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

/* Experience */
.experience-item {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: slideUp 0.5s ease-out;
}

.experience-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.15);
}

.experience-item .company {
    color: var(--accent-color);
    font-weight: 500;
    margin: 0.5rem 0;
}

.experience-item .duration {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.experience-item ul {
    list-style: none;
    padding: 0;
}

.experience-item ul li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.experience-item ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Contact */
.contact-info {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.contact-info a {
    color: var(--accent-color);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.social-links a {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Contact Details */
.contact-details {
    margin: 2rem 0;
    padding: 1rem;
    background: #f8f8f8;
    border-radius: 8px;
}

.contact-details p {
    margin: 0.5rem 0;
    color: var(--secondary-color);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: slideUp 0.5s ease-out;
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.15);
}

.skill-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.skill-item p {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.skill-item ul {
    list-style: none;
    padding: 0;
}

.skill-item ul li {
    color: var(--secondary-color);
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

/* Project Slider */
.project-slider {
    margin-top: 2rem;
    padding-bottom: 3rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: transform var(--animation-timing) ease,
                box-shadow var(--animation-timing) ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-color), #4facfe);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--animation-timing) ease;
    opacity: 0;
}

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

.project-card:hover::before {
    opacity: 1;
    transform: scaleX(1);
}

.project-header {
    margin-bottom: 1rem;
}

.project-header h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-links {
    margin-top: 0.5rem;
}

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--animation-timing) ease;
}

.project-link:hover {
    color: #4facfe;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-stack span {
    background: rgba(0, 102, 204, 0.1);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all var(--animation-timing) ease;
}

.tech-stack span:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

/* Swiper Navigation Styles */
.swiper-button-next,
.swiper-button-prev {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.9);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 1.2rem;
}

.swiper-pagination-bullet {
    background: var(--accent-color);
}

.swiper-pagination-bullet-active {
    background: var(--accent-color);
}

/* Scroll Reveal Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        margin: 1rem;
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

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

    .portfolio-grid {
        gap: 1.5rem;
    }

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

    .project-card {
        margin-bottom: 1rem;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate__animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

.animate__fadeIn {
    animation-name: fadeIn;
}

.animate__fadeInUp {
    animation-name: fadeInUp;
}

.animate__delay-1s {
    animation-delay: 0.2s;
}

.animate__delay-2s {
    animation-delay: 0.4s;
}

.animate__delay-3s {
    animation-delay: 0.6s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 40px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}