/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #3498db;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --white: #ffffff;
    --black: #000000;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
    --gray-dark: #495057;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 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;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 50%;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== LOADING SCREEN ===== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loader {
    text-align: center;
    color: var(--white);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--white);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader p {
    font-size: var(--font-size-lg);
    font-weight: 500;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-resume {
    background: var(--success-color);
    color: var(--white);
    font-size: var(--font-size-sm);
    padding: 8px 16px;
}

.btn-resume:hover {
    background: #218838;
    transform: translateY(-1px);
}

/* ===== HEADER ===== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

#header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark-color);
}

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

.nav-menu ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
}

.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 SECTION ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-no-image {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

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

.profile-img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.3);
}

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

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.3);
}

.profile-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-light), var(--white));
    border: 2px dashed var(--primary-color);
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-greeting {
    margin-bottom: var(--spacing-md);
}

.greeting-text {
    font-size: var(--font-size-lg);
    font-weight: 400;
    opacity: 0.9;
}

.hero-name {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(45deg, var(--white), rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: var(--font-size-2xl);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    min-height: 60px;
}

.typing-text {
    border-right: 2px solid var(--white);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: var(--white); }
    51%, 100% { border-color: transparent; }
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

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

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

.profile-image-container {
    position: relative;
}

.profile-image {
    width: 350px;
    height: 350px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.2);
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

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

.profile-placeholder {
    display: none;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.7);
}

.profile-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    pointer-events: none;
}

.decoration-circle {
    width: 80px;
    height: 80px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.decoration-dots {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: var(--radius-full);
    opacity: 0.7;
}

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

.scroll-arrow {
    color: var(--white);
    font-size: var(--font-size-xl);
    opacity: 0.7;
}

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

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-intro {
    margin-bottom: var(--spacing-xl);
}

.about-intro h3 {
    font-size: var(--font-size-2xl);
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.about-intro p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-lg);
}

.about-highlights h3 {
    font-size: var(--font-size-xl);
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.highlight-item {
    padding: var(--spacing-lg);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

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

.highlight-item i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.highlight-item h4 {
    font-size: var(--font-size-lg);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.highlight-item p {
    color: var(--gray-medium);
    font-size: var(--font-size-sm);
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.detail-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--light-color);
}

.detail-card h3 {
    font-size: var(--font-size-xl);
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.detail-card h3 i {
    color: var(--primary-color);
}

.detail-grid {
    display: grid;
    gap: var(--spacing-md);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--light-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.label {
    font-weight: 500;
    color: var(--gray-medium);
}

.value {
    font-weight: 600;
    color: var(--dark-color);
}

.education-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.education-item h4 {
    font-size: var(--font-size-lg);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.education-item p {
    color: var(--gray-medium);
    font-size: var(--font-size-sm);
}

/* ===== SKILLS SECTION ===== */
.skills {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

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

.skill-category {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.category-header i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.category-header h3 {
    font-size: var(--font-size-xl);
    color: var(--dark-color);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skill-name {
    font-weight: 500;
    color: var(--dark-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-sm);
    width: 0%;
    transition: width 1s ease-in-out;
}

.skill-level {
    font-size: var(--font-size-xs);
    color: var(--gray-medium);
    font-weight: 500;
}

.skill-item.expert .skill-level {
    color: var(--success-color);
}

.skill-item.advanced .skill-level {
    color: var(--info-color);
}

.skill-item.intermediate .skill-level {
    color: var(--warning-color);
}

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--gray-medium);
    border: 2px solid var(--light-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: 500;
}

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

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

.project-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--light-color);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    height: 200px;
    position: relative;
    overflow: hidden;
    background: var(--gray-light);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-placeholder {
    display: none;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 3rem;
    color: var(--gray-medium);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: var(--spacing-md);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--white);
    color: var(--dark-color);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.action-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-xl);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.project-header h3 {
    font-size: var(--font-size-xl);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.project-status {
    display: flex;
    gap: var(--spacing-sm);
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.live {
    background: var(--success-color);
    color: var(--white);
}

.status-badge.development {
    background: var(--warning-color);
    color: var(--dark-color);
}

.project-content p {
    color: var(--gray-dark);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--light-color);
    color: var(--gray-dark);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.project-metrics {
    display: flex;
    gap: var(--spacing-lg);
}

.metric {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-medium);
    font-size: var(--font-size-sm);
}

.metric i {
    color: var(--primary-color);
}

.more-projects {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===== EXPERIENCE SECTION ===== */
.experience {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
    width: calc(50% - 30px);
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: calc(50% + 30px);
    text-align: left;
}

.timeline-marker {
    position: absolute;
    top: 20px;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border: 4px solid var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-md);
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -60px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -60px;
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -10px;
    width: 0;
    height: 0;
    border-left: 10px solid var(--white);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.timeline-item:nth-child(even) .timeline-content::after {
    content: '';
    position: absolute;
    top: 30px;
    left: -10px;
    width: 0;
    height: 0;
    border-right: 10px solid var(--white);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.timeline-date {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.timeline-description p {
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.achievement-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.achievement-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-dark);
}

.achievement-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--light-color);
    color: var(--dark-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* ===== FREELANCING SECTION ===== */
.freelancing {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

.freelancer-profile {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--gray-dark);
}

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

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

.freelancing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.freelance-project {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.freelance-project:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

.project-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
    line-height: 1.4;
    flex: 1;
}

.project-price {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.client-info {
    margin-bottom: var(--spacing-md);
}

.client-name {
    font-size: var(--font-size-sm);
    color: var(--gray-medium);
    font-weight: 500;
}

.project-review {
    margin-bottom: var(--spacing-lg);
}

.project-review p {
    font-style: italic;
    color: var(--gray-dark);
    line-height: 1.6;
    font-size: var(--font-size-base);
    position: relative;
    padding-left: var(--spacing-lg);
}

.project-review p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -5px;
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    font-weight: bold;
}

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

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

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.testimonials-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-medium);
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    display: none;
    border: 1px solid var(--light-color);
}

.testimonial-card.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

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

.quote-icon {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--gray-dark);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

.rating {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
}

.rating i {
    color: var(--warning-color);
    font-size: var(--font-size-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 3px solid var(--light-color);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    display: none;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--gray-light);
    color: var(--gray-medium);
    font-size: var(--font-size-xl);
}

.author-info {
    text-align: left;
}

.author-info h4 {
    font-size: var(--font-size-lg);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.author-info span {
    color: var(--gray-medium);
    font-size: var(--font-size-sm);
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.control-btn {
    width: 50px;
    height: 50px;
    background: var(--light-color);
    color: var(--gray-medium);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.testimonial-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 12px;
    height: 12px;
    background: var(--light-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.dot.active,
.dot:hover {
    background: var(--primary-color);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-intro {
    margin-bottom: var(--spacing-xl);
}

.contact-intro h3 {
    font-size: var(--font-size-2xl);
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.contact-intro p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--gray-dark);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.method-info h4 {
    font-size: var(--font-size-lg);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.method-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

.method-info a:hover {
    color: var(--secondary-color);
}

.method-info span {
    color: var(--gray-dark);
}

.availability-status {
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

.status-dot.available {
    background: var(--success-color);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(40, 167, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}

.status-indicator span {
    font-weight: 600;
    color: var(--success-color);
}

.availability-status p {
    color: var(--gray-medium);
    font-size: var(--font-size-sm);
}

.contact-form-container {
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--light-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: all var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--light-color);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-base);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: bold;
}

.submit-btn {
    position: relative;
    overflow: hidden;
}

.btn-loading {
    display: none;
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .btn-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--success-color);
}

.form-success.show {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.form-success i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
}

.form-success h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-lg);
}

.footer-logo h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

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

.footer-logo p {
    color: var(--gray-medium);
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-medium);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    color: var(--gray-medium);
}

.footer-links-bottom {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links-bottom a {
    color: var(--gray-medium);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

.footer-links-bottom a:hover {
    color: var(--white);
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: 1000;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.back-to-top.show {
    display: flex;
    animation: fadeInUp 0.3s ease-in-out;
}

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

/* ===== PROJECT MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-in-out;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 90%;
    max-height: 90%;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease-in-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--light-color);
}

.modal-header h2 {
    color: var(--dark-color);
    font-size: var(--font-size-2xl);
}

.modal-close {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--gray-medium);
    font-size: var(--font-size-xl);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--light-color);
    color: var(--dark-color);
}

.modal-body {
    padding: var(--spacing-xl);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-container {
        gap: var(--spacing-xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: calc(100% - 60px);
        left: 60px !important;
        text-align: left !important;
    }
    
    .timeline-item .timeline-marker {
        left: -60px !important;
    }
    
    .timeline-item .timeline-content::after {
        left: -10px !important;
        border-right: 10px solid var(--white) !important;
        border-left: none !important;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        height: 100%;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .profile-image {
        width: 250px;
        height: 250px;
    }
    
    .profile-img {
        width: 220px;
        height: 220px;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-filter {
        justify-content: center;
    }
    
    .freelancing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .freelance-project {
        padding: var(--spacing-lg);
    }
    
    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .testimonials-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .testimonial-author {
        flex-direction: column;
        text-align: center;
    }
    
    .author-info {
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-name {
        font-size: var(--font-size-4xl);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .profile-img {
        width: 180px;
        height: 180px;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .contact-form-container {
        padding: var(--spacing-xl);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .modal-header,
    .modal-body {
        padding: var(--spacing-lg);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .hamburger,
    .back-to-top,
    .modal,
    .hero-buttons,
    .social-links,
    .contact-form-container,
    .testimonial-controls {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: var(--black);
        background: var(--white);
    }
    
    .hero {
        background: var(--white);
        color: var(--black);
        padding: 20pt 0;
    }
    
    .section-title {
        font-size: 18pt;
        color: var(--black);
    }
    
    .project-card,
    .skill-category,
    .timeline-item {
        break-inside: avoid;
        margin-bottom: 15pt;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-link:focus,
.filter-btn:focus,
.action-btn:focus,
.control-btn:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066cc;
        --secondary-color: #004499;
        --dark-color: #000000;
        --gray-medium: #666666;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --black: #ffffff;
        --dark-color: #ffffff;
        --gray-light: #2d2d2d;
        --gray-medium: #cccccc;
        --gray-dark: #e0e0e0;
        --light-color: #404040;
    }
    
    body {
        background-color: var(--white);
        color: var(--dark-color);
    }
    
    .skill-category,
    .project-card,
    .testimonial-card,
    .contact-form-container,
    .detail-card,
    .contact-method,
    .timeline-content {
        background: #2d2d2d;
        border-color: #404040;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background: #2d2d2d;
        border-color: #404040;
        color: var(--dark-color);
    }
}