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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    font-size: 18px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

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

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

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 1rem;
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    transition: opacity 0.3s ease;
}

.theme-toggle .moon-icon {
    display: none;
}

body.dark-mode .theme-toggle .sun-icon {
    display: none;
}

body.dark-mode .theme-toggle .moon-icon {
    display: block;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    display: none;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.highlight {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    border: 2px solid transparent;
}

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

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* Section Styles */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

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

.image-placeholder {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.about-list {
    list-style: none;
    margin-top: 1.5rem;
}

.about-list li {
    padding: 0.5rem 0;
    color: var(--text-light);
}

.about-list a {
    color: var(--primary-color);
    text-decoration: none;
}

.about-list a:hover {
    text-decoration: underline;
}

/* Skills Section */
.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.skills-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.skill-category-new {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 600;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--bg-light);
}

.tech-icons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.tech-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.tech-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.tech-icon span {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    text-align: center;
}

/* Old skills grid (kept for compatibility) */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.skill-category {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-dark);
}

.skill-bar {
    height: 8px;
    background: var(--bg-light);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 1s ease;
}

/* Projects Section */
.projects {
    background: var(--bg-white);
}

.projects .container {
    max-width: 1400px;
}

/* Company Name */
.company-name {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 2rem 0;
}

/* Project Wrapper */
.project-wrapper {
    margin-bottom: 5rem;
}

/* Project Header */
.project-header {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg-light);
}

.project-logo {
    flex-shrink: 0;
    margin-right: 1rem;
}

.project-logo img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
}

.project-meta {
    flex: 1;
}

.project-period {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0 0 0.5rem 0;
}

.project-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.project-role {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-light);
    margin: 0 0 1.5rem 0;
}

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

.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: #52c41a;
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 4px;
}

/* Project Contents */
.project-contents-area {
    display: block;
}

.project-contents {
    list-style: none;
    padding: 0;
    margin: 0;
}

.project-content {
    padding-bottom: 2rem;
}

.project-content:last-child {
    padding-bottom: 0;
}

.project-content h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 1rem 0;
}

.project-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.project-content ul li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 16px;
}

.project-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-dark);
    font-weight: bold;
}

.project-content ul li:last-child {
    margin-bottom: 0;
}

/* Architecture diagram styling */
.architecture-diagram {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
}

.architecture-diagram p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.architecture-diagram img {
    width: 100%;
    max-width: 800px;
    margin-top: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* Technical Challenge styling */
.tech-challenge {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.challenge-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.challenge-item h6 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 1rem 0;
}

.challenge-item p {
    margin: 0.75rem 0;
    line-height: 1.8;
    font-size: 16px;
}

.challenge-item p strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Challenge Inline (for tech detail sections) */
.challenge-inline {
    background: var(--bg-light);
    padding: 1.25rem;
    margin: 1rem 0;
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.challenge-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 0.75rem 0;
    display: block;
}

.challenge-inline p {
    margin: 0.5rem 0;
    line-height: 1.8;
    font-size: 16px;
    color: var(--text-dark);
}

.challenge-inline p strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Tech Detail Section */
.tech-detail-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.tech-detail-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 1.5rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary-color);
}

.tech-detail-content h7 {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 1.5rem 0 0.75rem 0;
}

.tech-detail-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.tech-detail-content ul li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 16px;
}

.tech-detail-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Performance Charts */
.performance-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.chart-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
}

.chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 1rem 0;
}

.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bar-label {
    min-width: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

.bar-container {
    flex: 1;
    background: #e5e7eb;
    border-radius: 4px;
    height: 32px;
    position: relative;
    overflow: hidden;
}

.bar {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
    transition: width 0.8s ease;
}

.chart-description {
    margin: 1rem 0 0 0;
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: center;
    font-weight: 500;
}

/* Old project grid styles (kept for compatibility) */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.project-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--secondary-color);
}

/* Experience Section */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: 3px solid var(--bg-white);
    box-shadow: 0 0 0 4px var(--border-color);
}

.timeline-content {
    padding: 1.5rem;
}

.timeline-content h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.timeline-content h4 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding-left: 0;
}

.timeline-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.timeline-content ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

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

.contact-info-center h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact-info-center p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-btn {
    padding: 0.875rem 2.5rem;
    background: var(--bg-white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

.social-link {
    padding: 0.5rem 1.25rem;
    background: var(--bg-white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.contact-form {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    margin: 0.5rem 0;
    opacity: 0.8;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(0);
    }
    40% {
        opacity: 1;
    }
    80% {
        opacity: 0;
        transform: translateX(-50%) translateY(16px);
    }
    100% {
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

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

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .tech-icons {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 1.5rem;
    }

    .tech-icon img {
        width: 50px;
        height: 50px;
    }

    .tech-icon span {
        font-size: 0.8rem;
    }

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

    .project-contents-area {
        flex-direction: column;
        gap: 2rem;
    }

    .project-contents-left {
        flex: 1;
    }

    .company-name {
        font-size: 1.5rem;
    }

    .project-title {
        font-size: 1.15rem;
    }

    .project-content h5 {
        font-size: 1rem;
    }

    .project-content ul li {
        font-size: 15px;
        line-height: 1.7;
    }

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

    .contact-info-center {
        text-align: left;
    }

    .contact-links {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-btn {
        text-align: center;
    }

    .social-links {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

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

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 40px;
    }

    .timeline-marker {
        left: 2px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

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

    .section {
        padding: 4rem 0;
    }
}

/* Dark Mode Styles - GitHub Theme */
body.dark-mode {
    background: #0d1117;
    color: #c9d1d9;
}

body.dark-mode .navbar {
    background: rgba(22, 27, 34, 0.95);
    box-shadow: 0 1px 0 rgba(48, 54, 61, 0.5);
    border-bottom: 1px solid #21262d;
}

body.dark-mode .nav-link {
    color: #c9d1d9;
}

body.dark-mode .hero {
    background: linear-gradient(135deg, #161b22 0%, #0d1117 100%);
}

body.dark-mode .nav-link:hover {
    color: #58a6ff;
}

body.dark-mode .section {
    background: #0d1117;
}

body.dark-mode .about {
    background: #0d1117;
}

body.dark-mode .section-title {
    color: #c9d1d9;
    border-bottom-color: #21262d;
}

body.dark-mode .section-title::after {
    background: linear-gradient(135deg, #58a6ff, #c9d1d9);
}

body.dark-mode .about-text h3 {
    color: #c9d1d9;
}

body.dark-mode .about-text p,
body.dark-mode .about-info p {
    color: #c9d1d9;
}

body.dark-mode .info-item strong {
    color: #c9d1d9;
}

body.dark-mode .about-list li {
    color: #c9d1d9;
}

body.dark-mode .about-list a {
    color: #58a6ff;
}

body.dark-mode .skill-category h3,
body.dark-mode .category-title {
    color: #c9d1d9;
    border-bottom-color: #21262d;
}

body.dark-mode .skill-category-new {
    background: #161b22;
    border: 1px solid #30363d;
    box-shadow: none;
}


body.dark-mode .skill-item,
body.dark-mode .tech-icon span {
    color: #c9d1d9;
}

body.dark-mode .skill-bar {
    background: #21262d;
}

body.dark-mode .project-card,
body.dark-mode .project-wrapper {
    background: #161b22;
    border: 1px solid #30363d;
    box-shadow: none;
}

body.dark-mode .project-title,
body.dark-mode .project-content h5 {
    color: #c9d1d9;
}

body.dark-mode .project-description,
body.dark-mode .project-content li {
    color: #8b949e;
}

body.dark-mode .project-header {
    background: #161b22;
}

body.dark-mode .project-period {
    color: #8b949e;
}

body.dark-mode .project-title {
    color: #c9d1d9;
}

body.dark-mode .project-role {
    color: #8b949e;
}

body.dark-mode .badge {
    background-color: #238636;
    color: #c9d1d9;
}


body.dark-mode .timeline-marker {
    background: linear-gradient(135deg, #58a6ff, #c9d1d9);
}

body.dark-mode .timeline-content h3,
body.dark-mode .timeline-content h4 {
    color: #ffffff;
}

body.dark-mode .timeline-date {
    color: #58a6ff;
}

body.dark-mode .timeline-title {
    color: #c9d1d9;
}

body.dark-mode .timeline-company,
body.dark-mode .timeline-description {
    color: #8b949e;
}

body.dark-mode .contact-info {
    background: #161b22;
    border: 1px solid #30363d;
}

body.dark-mode .contact-item {
    color: #8b949e;
}

body.dark-mode .contact-item strong {
    color: #58a6ff;
}

body.dark-mode .contact-btn {
    background: transparent;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .contact-btn:hover {
    background: #58a6ff;
    color: #ffffff;
    border-color: #58a6ff;
}

body.dark-mode .hamburger span {
    background: #c9d1d9;
}

body.dark-mode .nav-brand {
    background: linear-gradient(135deg, #58a6ff, #c9d1d9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .btn-primary {
    background: #238636;
    color: #ffffff;
    border-color: #238636;
}

body.dark-mode .btn-secondary {
    background: transparent;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .hero-title {
    color: #c9d1d9;
}

body.dark-mode .hero-description {
    color: #8b949e;
}

body.dark-mode .highlight {
    background: linear-gradient(135deg, #58a6ff, #c9d1d9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .footer {
    background: #0d1117;
    color: #8b949e;
    border-top: 1px solid #21262d;
}

body.dark-mode .architecture-diagram {
    background: #161b22;
    border: 1px solid #30363d;
}

body.dark-mode .architecture-diagram p {
    color: #8b949e;
}

body.dark-mode .challenge-item {
    background: #161b22;
    border-left-color: #58a6ff;
}

body.dark-mode .challenge-item h6 {
    color: #c9d1d9;
}

body.dark-mode .challenge-item p {
    color: #8b949e;
}

body.dark-mode .challenge-item p strong {
    color: #58a6ff;
}

body.dark-mode .challenge-inline {
    background: #0d1117;
    border-left-color: #58a6ff;
}

body.dark-mode .challenge-subtitle {
    color: #c9d1d9;
}

body.dark-mode .challenge-inline p {
    color: #8b949e;
}

body.dark-mode .challenge-inline p strong {
    color: #58a6ff;
}

body.dark-mode .tech-detail-section {
    background: #161b22;
    border: 1px solid #30363d;
}

body.dark-mode .tech-detail-title {
    color: #c9d1d9;
    border-bottom-color: #58a6ff;
}

body.dark-mode .tech-detail-content h7 {
    color: #58a6ff;
}

body.dark-mode .tech-detail-content ul li {
    color: #c9d1d9;
}

body.dark-mode .tech-detail-content ul li::before {
    color: #58a6ff;
}

body.dark-mode .chart-item {
    background: #0d1117;
    border: 1px solid #30363d;
}

body.dark-mode .chart-title {
    color: #c9d1d9;
}

body.dark-mode .bar-label {
    color: #c9d1d9;
}

body.dark-mode .bar-container {
    background: #21262d;
}

body.dark-mode .chart-description {
    color: #8b949e;
}