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

:root {
    --primary-color: #3B82F6;
    --secondary-color: #1E293B;
    --accent-color: #F59E0B;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-dark: #0F172A;
    --border-color: #E5E7EB;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    --border-radius: 12px;
    --border-radius-small: 8px;
    --border-radius-large: 20px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* Ensure page always starts at top */
html, body {
    scroll-padding-top: 0;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    overflow-y: hidden; /* Initially hidden during loading */
}

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
    opacity: 0;
}

.custom-cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.05s ease;
    opacity: 0;
}

@media (hover: hover) {
    .custom-cursor,
    .custom-cursor-dot {
        opacity: 1;
    }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-text {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.loading-dots span {
    animation: loadingDots 1.5s infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.3s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes loadingDots {
    0%, 60%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-10px);
    }
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: var(--gradient-primary);
    animation: loadingProgress 2s ease-in-out infinite;
}

@keyframes loadingProgress {
    0% {
        width: 0%;
        transform: translateX(-100%);
    }
    50% {
        width: 100%;
        transform: translateX(0%);
    }
    100% {
        width: 100%;
        transform: translateX(100%);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-heavy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: white;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 2rem 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    z-index: -2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: 
        radial-gradient(circle at 25% 25%, var(--primary-color) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, var(--accent-color) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: particleFloat 20s linear infinite;
}

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

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-text {
    z-index: 1;
}

.hero-title {
    margin-bottom: 2rem;
}

.hero-greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.hero-name {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.hero-role {
    display: block;
    font-size: 1.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    z-index: 1;
}

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

.hero-profile-picture {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-heavy);
    animation: heroFloat 6s ease-in-out infinite;
}

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

.profile-image-placeholder {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
}

.profile-image {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 4px solid var(--primary-color);
    box-shadow: var(--shadow-large);
    transition: var(--transition-medium);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-large), 0 0 30px rgba(59, 130, 246, 0.3);
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    padding: 0.5rem 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-small);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-medium);
    animation: floatingTech 8s ease-in-out infinite;
}

.floating-element.python {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.floating-element.sql {
    top: 20%;
    right: -15%;
    animation-delay: 1s;
}

.floating-element.ml {
    bottom: 30%;
    left: -15%;
    animation-delay: 2s;
}

.floating-element.tableau {
    bottom: 20%;
    right: -10%;
    animation-delay: 3s;
}

.floating-element.powerbi {
    top: 50%;
    left: -20%;
    animation-delay: 4s;
}

@keyframes floatingTech {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(5deg);
    }
    50% {
        transform: translateY(-5px) rotate(-5deg);
    }
    75% {
        transform: translateY(-15px) rotate(3deg);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.scroll-arrow {
    color: var(--primary-color);
    font-size: 1.2rem;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* Common Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-medium);
    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: var(--transition-medium);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-medium);
}

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

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

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

/* Section Styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
}

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

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.about-text h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.about-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

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

.about-picture {
    width: 300px;
    height: 300px;
    border-radius: var(--border-radius-large);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.about-image-placeholder {
    width: 280px;
    height: 280px;
    border-radius: var(--border-radius-large);
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
    border: 5px solid var(--primary-color);
    box-shadow: var(--shadow-medium);
    position: relative;
    z-index: 4;
}

.about-image {
    width: 280px;
    height: 280px;
    border-radius: var(--border-radius-large);
    object-fit: cover;
    object-position: center;
    border: 3px solid var(--primary-color);
    box-shadow: var(--shadow-medium);
    transition: var(--transition-medium);
}

.about-image:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-large);
}

.about-decorations {
    position: absolute;
    width: 100%;
    height: 100%;
}

.decoration-1,
.decoration-2,
.decoration-3 {
    position: absolute;
    border-radius: 50%;
    z-index: 1;
}

.decoration-1 {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    top: -10%;
    right: -10%;
    animation: decorationFloat 4s ease-in-out infinite;
}

.decoration-2 {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    bottom: -5%;
    left: -5%;
    animation: decorationFloat 5s ease-in-out infinite reverse;
}

.decoration-3 {
    width: 40px;
    height: 40px;
    background: var(--gradient-secondary);
    top: 20%;
    left: -15%;
    animation: decorationFloat 6s ease-in-out infinite;
}

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

/* Skills Section */
.skills-content {
    max-width: 1000px;
    margin: 0 auto;
}

.skills-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.skill-category {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

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

.category-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 600;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
}

.skill-percentage {
    font-weight: 600;
    color: var(--primary-color);
    font-family: var(--font-mono);
}

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

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 2s ease-in-out;
    border-radius: 4px;
}

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

.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
    width: 100%;
}

.timeline-content {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    position: relative;
}

/* Timeline Left Items (Education) */
.timeline-left .timeline-content {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-left .timeline-details {
    margin-right: 3rem;
    max-width: 45%;
}

/* Timeline Right Items (Experience) */
.timeline-right .timeline-details {
    margin-left: 3rem;
    max-width: 45%;
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    position: absolute;
    z-index: 2;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px var(--bg-primary);
}

.timeline-details {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    flex: 1;
    margin-top: -10px;
}

.timeline-details h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-details h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.timeline-date {
    display: inline-block;
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-small);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.timeline-details p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Adjust skills alignment for left items */
.timeline-left .timeline-skills {
    justify-content: flex-end;
}

.skill-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    font-weight: 500;
}

/* Projects Section */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-medium);
    font-weight: 500;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

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

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

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
    background: var(--gradient-primary);
    color: white;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-medium);
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.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;
    gap: 1rem;
    opacity: 0;
    transition: var(--transition-medium);
}

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

.project-link,
.project-github {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-fast);
    transform: translateY(20px);
}

.project-card:hover .project-link,
.project-card:hover .project-github {
    transform: translateY(0);
}

.project-link:hover,
.project-github:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.tech-tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

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

.contact-intro {
    margin-bottom: 3rem;
}

.contact-intro h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-intro p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.1rem;
}

.contact-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-details-grid .contact-item {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition-medium);
}

.contact-details-grid .contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.social-links-centered {
    margin-top: 2rem;
}

.social-links-centered h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.social-links-centered .social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links-centered .social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-medium);
    box-shadow: var(--shadow-light);
}

.social-links-centered .social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.social-links-centered .social-link i {
    font-size: 1.2rem;
}

.social-links-centered .social-link span {
    font-weight: 500;
}

.contact-info h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.contact-text h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-weight: 600;
}

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

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

.social-link {
    width: 50px;
    height: 50px;
    background: var(--bg-primary);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-medium);
}

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

.contact-form {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-medium);
}

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

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-light);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-medium);
    background: var(--bg-primary);
    padding: 0 0.5rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    font-size: 0.875rem;
    color: var(--primary-color);
}

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

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition-medium);
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
    }

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

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-details-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .social-links-centered .social-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .social-links-centered .social-link {
        width: 200px;
        justify-content: center;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-icon {
        margin-left: 0;
    }

    /* Mobile Timeline Styles */
    .timeline {
        max-width: 100%;
        padding: 1rem;
    }

    .timeline::before {
        left: 30px;
        transform: none;
    }

    .timeline-item {
        margin-bottom: 2rem;
    }

    .timeline-content {
        flex-direction: column;
        align-items: flex-start;
        text-align: left !important;
    }

    .timeline-left .timeline-content,
    .timeline-right .timeline-content {
        flex-direction: column;
        text-align: left;
    }

    .timeline-icon {
        position: relative;
        left: 0;
        transform: none;
        margin: 0 0 1rem 0;
        align-self: flex-start;
    }

    .timeline-left .timeline-details,
    .timeline-right .timeline-details {
        margin: 0;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .timeline-left .timeline-skills,
    .timeline-right .timeline-skills {
        justify-content: flex-start;
    }

    .profile-image {
        width: 250px;
        height: 250px;
    }

    .about-image {
        width: 220px;
        height: 220px;
    }

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

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

    .footer-content {
        text-align: center;
        flex-direction: column;
    }
}

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

    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 100px 1rem 60px;
    }

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

    .hero-role {
        font-size: 1.3rem;
    }

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

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

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

    .projects-filter {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 200px;
        text-align: center;
    }
}

/* 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);
    }
}

/* Utility Classes */
.hidden {
    display: none;
}

.visible {
    display: block;
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #F8FAFC;
        --text-secondary: #CBD5E1;
        --text-light: #64748B;
        --bg-primary: #0F172A;
        --bg-secondary: #1E293B;
        --border-color: #334155;
    }

    .navbar {
        background: rgba(15, 23, 42, 0.95);
    }

    .hero-background {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    }
}