:root {
    /* Dark Mode Colors - Modern Minimalist */
    --dark-bg: #121212;
    --dark-surface: #1A1A1A;
    --dark-surface-2: #2D2D2D;
    --dark-text: #F7FAFC;
    --dark-text-secondary: #A0AEC0;
    --dark-border: rgba(255, 255, 255, 0.1);
    --dark-primary: #68D391;
    --dark-secondary: #4FD1C5;
    --dark-accent: #68D391;
    --dark-error: #FC8181;
    --dark-success: #68D391;
    
    /* Light Mode Colors - Modern Minimalist */
    --light-bg: #F7FAFC;
    --light-surface: #FFFFFF;
    --light-surface-2: #EDF2F7;
    --light-text: #1A202C;
    --light-text-secondary: #4A5568;
    --light-border: rgba(0, 0, 0, 0.1);
    --light-primary: #38A169;
    --light-secondary: #319795;
    --light-accent: #38A169;
    --light-error: #E53E3E;
    --light-success: #38A169;
    
    /* Common Variables */
    --header-height: 80px;
    --section-padding: 100px 0;
    --border-radius: 4px;
    --transition: all 0.3s ease;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Font Families */
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

body:not(.dark-mode) {
    background-color: var(--light-bg);
    color: var(--light-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

section {
    padding: var(--section-padding);
    position: relative;
}

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

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    z-index: 1000;
    padding: 8px 12px;
    border-radius: 30px;
    box-shadow: var(--box-shadow);
}

.dark-mode .theme-toggle {
    background: var(--dark-surface);
}

body:not(.dark-mode) .theme-toggle {
    background: var(--light-surface);
}

.theme-toggle i {
    font-size: var(--font-size-lg);
}

.dark-mode .theme-toggle i.fa-sun {
    color: var(--dark-text-secondary);
}

.dark-mode .theme-toggle i.fa-moon {
    color: var(--dark-primary);
}

body:not(.dark-mode) .theme-toggle i.fa-sun {
    color: var(--light-primary);
}

body:not(.dark-mode) .theme-toggle i.fa-moon {
    color: var(--light-text-secondary);
}

.toggle-switch {
    position: relative;
    width: 40px;
    height: 20px;
    margin: 0 8px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch label {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    transition: var(--transition);
    border-radius: 34px;
}

.dark-mode .toggle-switch label {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) .toggle-switch label {
    background-color: var(--light-surface-2);
}

.toggle-switch label:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

.toggle-switch input:checked + label:before {
    transform: translateX(20px);
}

.dark-mode .toggle-switch input:checked + label:before {
    background-color: var(--dark-primary);
}

body:not(.dark-mode) .toggle-switch input:checked + label:before {
    background-color: var(--light-primary);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    transition: var(--transition);
}

.dark-mode .header {
    background-color: var(--dark-surface);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

body:not(.dark-mode) .header {
    background-color: var(--light-surface);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-family: var(--font-serif);
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.dark-mode .logo {
    color: var(--dark-primary);
}

body:not(.dark-mode) .logo {
    color: var(--light-primary);
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    position: relative;
    padding: 5px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    transition: var(--transition);
}

.dark-mode .main-nav a::after {
    background-color: var(--dark-primary);
}

body:not(.dark-mode) .main-nav a::after {
    background-color: var(--light-primary);
}

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

.dark-mode .main-nav a.active,
.dark-mode .main-nav a:hover {
    color: var(--dark-primary);
}

body:not(.dark-mode) .main-nav a.active,
body:not(.dark-mode) .main-nav a:hover {
    color: var(--light-primary);
}

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

.social-links a {
    font-size: var(--font-size-xl);
}

.dark-mode .social-links a {
    color: var(--dark-text-secondary);
}

body:not(.dark-mode) .social-links a {
    color: var(--light-text-secondary);
}

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

.dark-mode .social-links a:hover {
    color: var(--dark-primary);
}

body:not(.dark-mode) .social-links a:hover {
    color: var(--light-primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 4px 0;
    transition: var(--transition);
}

.dark-mode .mobile-menu-toggle span {
    background-color: var(--dark-text);
}

body:not(.dark-mode) .mobile-menu-toggle span {
    background-color: var(--light-text);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 20px 20px;
    opacity: 0.05;
}

.dark-mode .grid-pattern {
    background-image: linear-gradient(to right, var(--dark-text-secondary) 1px, transparent 1px),
                      linear-gradient(to bottom, var(--dark-text-secondary) 1px, transparent 1px);
}

body:not(.dark-mode) .grid-pattern {
    background-image: linear-gradient(to right, var(--light-text-secondary) 1px, transparent 1px),
                      linear-gradient(to bottom, var(--light-text-secondary) 1px, transparent 1px);
}

.accent-shape {
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.dark-mode .accent-shape {
    background-color: var(--dark-primary);
    opacity: 0.05;
}

body:not(.dark-mode) .accent-shape {
    background-color: var(--light-primary);
    opacity: 0.05;
}

.hero-content {
    margin-bottom: 40px;
}

.name {
    font-size: var(--font-size-4xl);
    margin-bottom: 10px;
    animation: fadeInUp 1s ease;
}

.dark-mode .name {
    color: var(--dark-primary);
}

body:not(.dark-mode) .name {
    color: var(--light-primary);
}

.title {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.2s both;
}

.intro {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-info {
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    animation: fadeInUp 1s ease;
}

.dark-mode .hero-info {
    background-color: var(--dark-surface);
}

body:not(.dark-mode) .hero-info {
    background-color: var(--light-surface);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

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

.info-item i {
    font-size: var(--font-size-xl);
    margin-right: 15px;
}

.dark-mode .info-item i {
    color: var(--dark-primary);
}

body:not(.dark-mode) .info-item i {
    color: var(--light-primary);
}

.pgp-key {
    font-family: monospace;
    padding: 5px 10px;
    border-radius: 4px;
    margin-right: 10px;
}

.dark-mode .pgp-key {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) .pgp-key {
    background-color: var(--light-surface-2);
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.dark-mode .copy-btn {
    color: var(--dark-text-secondary);
}

body:not(.dark-mode) .copy-btn {
    color: var(--light-text-secondary);
}

.copy-btn:hover {
    transform: scale(1.1);
}

.dark-mode .copy-btn:hover {
    color: var(--dark-primary);
}

body:not(.dark-mode) .copy-btn:hover {
    color: var(--light-primary);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-line {
    height: 2px;
    width: 60px;
    margin: 0 auto;
}

.dark-mode .section-line {
    background: var(--dark-primary);
}

body:not(.dark-mode) .section-line {
    background: var(--light-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-sm {
    padding: 8px 20px;
    font-size: var(--font-size-sm);
}

.btn-primary {
    color: white;
}

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

body:not(.dark-mode) .btn-primary {
    background-color: var(--light-primary);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid;
}

.dark-mode .btn-outline {
    border-color: var(--dark-primary);
    color: var(--dark-primary);
}

body:not(.dark-mode) .btn-outline {
    border-color: var(--light-primary);
    color: var(--light-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.dark-mode .btn-primary:hover {
    background-color: var(--dark-accent);
}

body:not(.dark-mode) .btn-primary:hover {
    background-color: var(--light-accent);
}

.btn-outline:hover {
    color: white;
}

.dark-mode .btn-outline:hover {
    background-color: var(--dark-primary);
}

body:not(.dark-mode) .btn-outline:hover {
    background-color: var(--light-primary);
}

/* About Section */
.about-section {
    position: relative;
}

.dark-mode .about-section {
    background-color: var(--dark-surface);
}

body:not(.dark-mode) .about-section {
    background-color: var(--light-surface);
}

.about-content p {
    margin-bottom: 20px;
    font-size: var(--font-size-lg);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.dark-mode .highlight-item {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) .highlight-item {
    background-color: var(--light-surface-2);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.highlight-icon {
    font-size: var(--font-size-2xl);
    margin-right: 20px;
}

.dark-mode .highlight-icon {
    color: var(--dark-primary);
}

body:not(.dark-mode) .highlight-icon {
    color: var(--light-primary);
}

.highlight-content h3 {
    margin-bottom: 10px;
}

/* Experience Section */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    top: 0;
    bottom: 0;
    left: 50px;
    margin-left: -1px;
}

.dark-mode .timeline::after {
    background-color: var(--dark-border);
}

body:not(.dark-mode) .timeline::after {
    background-color: var(--light-border);
}

.timeline-item {
    padding: 10px 40px 40px 80px;
    position: relative;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    left: 40px;
    border-radius: 50%;
    z-index: 1;
    margin-left: -8px;
}

.dark-mode .timeline-dot {
    background-color: var(--dark-primary);
}

body:not(.dark-mode) .timeline-dot {
    background-color: var(--light-primary);
}

.timeline-date {
    font-weight: 700;
    margin-bottom: 15px;
}

.dark-mode .timeline-date {
    color: var(--dark-primary);
}

body:not(.dark-mode) .timeline-date {
    color: var(--light-primary);
}

.timeline-content {
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.dark-mode .timeline-content {
    background-color: var(--dark-surface);
}

body:not(.dark-mode) .timeline-content {
    background-color: var(--light-surface);
}

.timeline-content h3 {
    margin-bottom: 20px;
}

.dark-mode .timeline-content h3 {
    color: var(--dark-primary);
}

body:not(.dark-mode) .timeline-content h3 {
    color: var(--light-primary);
}

.timeline-content ul {
    list-style-type: disc;
    padding-left: 20px;
}

.timeline-content ul ul {
    margin-top: 10px;
}

.timeline-content li {
    margin-bottom: 10px;
}

/* Skills Section */
.skills-section {
    position: relative;
}

.dark-mode .skills-section {
    background-color: var(--dark-bg);
}

body:not(.dark-mode) .skills-section {
    background-color: var(--light-bg);
}

.skills-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.skills-category {
    margin-bottom: 30px;
}

.skills-category h3 {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: var(--font-size-xl);
}

.skills-category h3 i {
    margin-right: 15px;
}

.dark-mode .skills-category h3 i {
    color: var(--dark-primary);
}

body:not(.dark-mode) .skills-category h3 i {
    color: var(--light-primary);
}

.category-description {
    margin-bottom: 20px;
    font-size: var(--font-size-md);
    max-width: 800px;
}

.dark-mode .category-description {
    color: var(--dark-text-secondary);
}

body:not(.dark-mode) .category-description {
    color: var(--light-text-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.skill-card {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.dark-mode .skill-card {
    background-color: var(--dark-surface);
}

body:not(.dark-mode) .skill-card {
    background-color: var(--light-surface);
}

.skill-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.skill-icon {
    font-size: var(--font-size-xl);
    margin-right: 15px;
    min-width: 24px;
    text-align: center;
}

.dark-mode .skill-icon {
    color: var(--dark-primary);
}

body:not(.dark-mode) .skill-icon {
    color: var(--light-primary);
}

.skill-content {
    flex: 1;
}

.skill-content h4 {
    margin-bottom: 5px;
    font-size: var(--font-size-md);
}

.skill-description {
    font-size: var(--font-size-sm);
    display: block;
}

.dark-mode .skill-description {
    color: var(--dark-text-secondary);
}

body:not(.dark-mode) .skill-description {
    color: var(--light-text-secondary);
}

/* Projects Section */
.projects-section {
    position: relative;
}

.dark-mode .projects-section {
    background-color: var(--dark-surface);
}

body:not(.dark-mode) .projects-section {
    background-color: var(--light-surface);
}

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

.filter-btn {
    background: none;
    border: none;
    padding: 8px 20px;
    cursor: pointer;
    font-size: var(--font-size-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.dark-mode .filter-btn {
    color: var(--dark-text-secondary);
}

body:not(.dark-mode) .filter-btn {
    color: var(--light-text-secondary);
}

.filter-btn.active, .filter-btn:hover {
    color: white;
}

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

body:not(.dark-mode) .filter-btn.active, body:not(.dark-mode) .filter-btn:hover {
    background-color: var(--light-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.dark-mode .project-card {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) .project-card {
    background-color: var(--light-surface-2);
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-header {
    display: flex;
    align-items: center;
    padding: 20px;
    color: white;
}

.dark-mode .project-header {
    background-color: var(--dark-primary);
}

body:not(.dark-mode) .project-header {
    background-color: var(--light-primary);
}

.project-icon {
    font-size: var(--font-size-2xl);
    margin-right: 20px;
}

.project-header h3 {
    margin-bottom: 0;
    font-size: var(--font-size-lg);
}

.project-content {
    padding: 20px;
}

.project-content p {
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.project-tech span {
    padding: 5px 12px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
}

.dark-mode .project-tech span {
    background-color: var(--dark-surface);
    color: var(--dark-primary);
}

body:not(.dark-mode) .project-tech span {
    background-color: var(--light-surface);
    color: var(--light-primary);
}

.project-role {
    font-size: var(--font-size-sm);
}

/* Additional Section */
.additional-section {
    position: relative;
}

.dark-mode .additional-section {
    background-color: var(--dark-bg);
}

body:not(.dark-mode) .additional-section {
    background-color: var(--light-bg);
}

.additional-card {
    padding: 30px;
    border-radius: var(--border-radius);
    height: 100%;
    box-shadow: var(--box-shadow);
}

.dark-mode .additional-card {
    background-color: var(--dark-surface);
}

body:not(.dark-mode) .additional-card {
    background-color: var(--light-surface);
}

.additional-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: 20px;
}

.dark-mode .additional-icon {
    color: var(--dark-primary);
}

body:not(.dark-mode) .additional-icon {
    color: var(--light-primary);
}

.language-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.language-level {
    display: flex;
    margin: 0 15px;
}

.level-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 5px;
}

.dark-mode .level-dot {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) .level-dot {
    background-color: var(--light-surface-2);
}

.level-dot.active {
    background-color: var(--dark-primary);
}

.dark-mode .level-dot.active {
    background-color: var(--dark-primary);
}

body:not(.dark-mode) .level-dot.active {
    background-color: var(--light-primary);
}

.interests {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.interests span {
    padding: 5px 12px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
}

.dark-mode .interests span {
    background-color: var(--dark-surface-2);
    color: var(--dark-primary);
}

body:not(.dark-mode) .interests span {
    background-color: var(--light-surface-2);
    color: var(--light-primary);
}

.pgp-container {
    margin-top: 25px;
}

.pgp-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

#pgp-key-id {
    font-family: monospace;
    padding: 5px 10px;
    border-radius: var(--border-radius);
}

.dark-mode #pgp-key-id {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) #pgp-key-id {
    background-color: var(--light-surface-2);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    padding: 30px;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    position: relative;
}

.dark-mode .modal-content {
    background-color: var(--dark-surface);
}

body:not(.dark-mode) .modal-content {
    background-color: var(--light-surface);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: var(--font-size-2xl);
    cursor: pointer;
}

#pgp-key-full {
    padding: 15px;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 20px 0;
    font-family: monospace;
    font-size: var(--font-size-sm);
}

.dark-mode #pgp-key-full {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) #pgp-key-full {
    background-color: var(--light-surface-2);
}

/* Footer */
footer {
    padding: 30px 0;
}

.dark-mode footer {
    background-color: var(--dark-surface-2);
}

body:not(.dark-mode) footer {
    background-color: var(--light-surface-2);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.dark-mode .footer-logo {
    color: var(--dark-primary);
}

body:not(.dark-mode) .footer-logo {
    color: var(--light-primary);
}

.footer-text {
    font-size: var(--font-size-sm);
}

.dark-mode .footer-text {
    color: var(--dark-text-secondary);
}

body:not(.dark-mode) .footer-text {
    color: var(--light-text-secondary);
}

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

.footer-social a {
    font-size: var(--font-size-xl);
}

.dark-mode .footer-social a {
    color: var(--dark-text-secondary);
}

body:not(.dark-mode) .footer-social a {
    color: var(--light-text-secondary);
}

.footer-social a:hover {
    transform: translateY(-3px);
}

.dark-mode .footer-social a:hover {
    color: var(--dark-primary);
}

body:not(.dark-mode) .footer-social a:hover {
    color: var(--light-primary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 992px) {
    .hero-section {
        padding-top: calc(var(--header-height) + 50px);
    }
    
    .name {
        font-size: var(--font-size-3xl);
    }
    
    .title {
        font-size: var(--font-size-xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        padding: 80px 20px 20px;
        transition: var(--transition);
        z-index: 1000;
    }
    
    .dark-mode .main-nav {
        background-color: var(--dark-surface);
    }
    
    body:not(.dark-mode) .main-nav {
        background-color: var(--light-surface);
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .social-links {
        display: none;
    }
    
    .hero-section {
        padding-top: calc(var(--header-height) + 30px);
    }
    
    .hero-info {
        margin-top: 40px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
    }
}

@media (max-width: 576px) {
    .name {
        font-size: var(--font-size-2xl);
    }
    
    .title {
        font-size: var(--font-size-lg);
    }
    
    .intro {
        font-size: var(--font-size-md);
    }
    
    .section-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline::after {
        left: 30px;
    }
    
    .timeline-dot {
        left: 20px;
    }
}