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

:root {
    /* Light Theme Colors (Default) */
    --primary-color: #3b82f6;
    --secondary-color: #2563eb;
    --accent-color: #6366f1;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --background-color: #ffffff;
    --surface-color: #f8fafc;
    --text-color: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --card-bg: #ffffff;
    --footer-bg: #1f2937;
    --footer-text: #f9fafb;
    --timeline-color: #d1d5db;
    --skill-bg: #f1f5f9;
    
    /* Typography */
    --font-primary: 'Roboto', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Effects */
    --shadow: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -1px var(--shadow-color);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --card-radius: 12px;
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --primary-color: #60a5fa;
    --secondary-color: #3b82f6;
    --accent-color: #818cf8;
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --danger-color: #f87171;
    --info-color: #22d3ee;
    --background-color: #0f172a;
    --surface-color: #1e293b;
    --text-color: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --card-bg: #1e293b;
    --footer-bg: #0f172a;
    --footer-text: #cbd5e1;
    --timeline-color: #475569;
    --skill-bg: #1e293b;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-color);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-heading);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--surface-color);
    box-shadow: var(--shadow);
    padding: 20px 0;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    color: var(--text-color);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

/* Theme Toggle Button */
.theme-toggle-container {
    margin-left: 10px;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    width: 50px;
    height: 26px;
    border-radius: 50px;
    background-color: var(--border-color);
    padding: 3px;
    transition: var(--transition);
}

.theme-toggle i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    transition: var(--transition);
    color: var(--text-color);
}

.theme-toggle .fa-moon {
    left: 8px;
    opacity: 1;
}

[data-theme="dark"] .theme-toggle .fa-moon {
    opacity: 0;
}

.theme-toggle .fa-sun {
    right: 8px;
    opacity: 0;
}

[data-theme="dark"] .theme-toggle .fa-sun {
    opacity: 1;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-color);
    top: 50%;
    left: 3px;
    transform: translateY(-50%);
    transition: left 0.3s ease;
}

[data-theme="dark"] .theme-toggle::before {
    left: calc(100% - 23px);
}

.theme-toggle:hover {
    opacity: 0.8;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, var(--surface-color) 0%, var(--background-color) 100%);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 10px;
}

.hero-role {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    color: var(--text-color);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    border: 8px solid var(--card-bg);
    box-shadow: var(--shadow);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.about-info {
    margin: 30px 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.info-label {
    font-weight: 500;
}

.info-value {
    color: var(--text-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--card-bg);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* Skills Section */
.skills {
    background-color: var(--surface-color);
}

.skills-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skills-category {
    background-color: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.skills-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.category-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.category-title h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.category-title p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--skill-bg);
    padding: 10px 16px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: default;
}

.skill-tag:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.skill-tag i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.skill-tag:hover i {
    transform: scale(1.1);
}

/* Color coding for different skill categories */
.skills-category:nth-child(1) .category-icon {
    background-color: var(--primary-color);
}

.skills-category:nth-child(2) .category-icon {
    background-color: var(--accent-color);
}

.skills-category:nth-child(3) .category-icon {
    background-color: var(--warning-color);
}

.skills-category:nth-child(4) .category-icon {
    background-color: var(--success-color);
}

/* Experience Section */
.experience {
    background-color: var(--background-color);
}

.experience-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

/* Timeline Styles */
.experience-timeline {
    position: relative;
    padding-left: 30px;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--timeline-color);
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 0;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid var(--background-color);
    z-index: 2;
}

.timeline-date {
    margin-bottom: 10px;
}

.timeline-date .date {
    font-weight: 600;
    color: var(--primary-color);
    background-color: var(--surface-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.timeline-content {
    background-color: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.timeline-header {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.timeline-header h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.timeline-header .company {
    display: block;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.timeline-header .location {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timeline-body p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.responsibilities {
    margin-top: 15px;
}

.responsibilities li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.responsibilities li i {
    color: var(--success-color);
    margin-right: 10px;
    margin-top: 3px;
    font-size: 0.9rem;
}

/* Education Section */
.education-section {
    background-color: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.education-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--text-color);
    position: relative;
    padding-bottom: 10px;
}

.education-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.education-cards {
    margin-bottom: 30px;
}

.education-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.education-card:hover {
    transform: translateX(5px);
    border-color: var(--primary-color);
}

.education-card:last-child {
    margin-bottom: 0;
}

.education-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.education-content h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.education-content .institution {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 0.95rem;
}

.education-content .duration {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.education-content .description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Certifications */
.certifications-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
    position: relative;
    padding-bottom: 10px;
}

.certifications-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.certification-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.certification-tag {
    background-color: var(--surface-color);
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.certification-tag:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Portfolio Section */
.portfolio {
    background-color: var(--surface-color);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--text-color);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.portfolio-img {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(37, 99, 235, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    padding: 20px;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-info {
    text-align: center;
    color: white;
}

.portfolio-info h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-info p {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: white;
}

.portfolio-link {
    display: inline-block;
    padding: 8px 20px;
    background-color: white;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    font-weight: 500;
}

.portfolio-link:hover {
    background-color: #f0f9ff;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--surface-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.contact-details h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--surface-color);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo .logo {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.footer-logo p {
    margin-top: 10px;
    color: var(--footer-text);
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--footer-text);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--footer-text);
    opacity: 0.7;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .experience-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .skills-categories {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--surface-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 15px var(--shadow-color);
        padding: 30px 0;
        gap: 0;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: 15px 0;
        width: 100%;
        display: block;
    }
    
    .theme-toggle-container {
        margin: 20px 0 0 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero {
        padding: 130px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-role {
        font-size: 1.5rem;
    }
    
    .section-padding {
        padding: 80px 0;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .experience-timeline {
        padding-left: 20px;
    }
    
    .timeline-item::before {
        left: -26px;
    }
    
    .education-card {
        flex-direction: column;
        gap: 15px;
    }
    
    .education-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
    }
    
    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .category-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-role {
        font-size: 1.3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .image-wrapper {
        width: 280px;
        height: 280px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .theme-toggle {
        width: 45px;
        height: 24px;
    }
    
    .theme-toggle::before {
        width: 18px;
        height: 18px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .certification-tags {
        justify-content: center;
    }
    
    .skills-list {
        justify-content: center;
    }
    
    .skill-tag {
        padding: 8px 14px;
        font-size: 0.9rem;
    }
}