/* ============================================
   CSS Variables & Theme System
============================================ */
:root {
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --nav-bg: rgba(255, 255, 255, 0.9);
    --code-bg: #f1f5f9;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --accent-primary: #818cf8;
    --accent-secondary: #a78bfa;
    --accent-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #c084fc 100%);
    --border-color: #334155;
    --card-bg: #1e293b;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --nav-bg: rgba(15, 23, 42, 0.95);
    --code-bg: #1e293b;
}

/* ============================================
   Reset & Base Styles
============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ============================================
   Particles Background
============================================ */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.5;
}

/* ============================================
   Theme & Language Controls
============================================ */
.controls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    gap: 10px;
}

.control-btn {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
    transition: all var(--transition-normal);
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.lang-text {
    font-weight: 600;
    font-size: 0.85rem;
}

/* ============================================
   Navigation
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 10px 0;
    border-bottom-color: var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ============================================
   Hero Section
============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
    position: relative;
}

.hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 10px;
}

.hero-name {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.name-highlight {
    display: block;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.name-surname {
    display: block;
    color: var(--text-primary);
}

.hero-title-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.typing-container {
    display: inline-flex;
    align-items: center;
}

#typed-text {
    color: var(--accent-primary);
    font-weight: 600;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--accent-primary);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

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

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

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 5px;
}

/* ============================================
   Hero Role / Typing Effect Styles
============================================ */
.hero-role {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 1.5rem;
    margin-bottom: 25px;
    min-height: 50px;
}

.role-prefix {
    color: var(--text-secondary);
    font-weight: 400;
}

.role-typing-wrapper {
    display: inline-flex;
    align-items: center;
    position: relative;
}

.typed-text {
    color: var(--accent-primary);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Typed.js cursor stilleri */
.typed-cursor {
    color: var(--accent-primary);
    font-weight: 300;
    font-size: 1.6rem;
    animation: cursorBlink 1s infinite;
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-role {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        font-size: 1.2rem;
        text-align: left;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-role {
        justify-content: center;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-role {
        font-size: 1.1rem;
    }
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    filter: blur(60px);
    opacity: 0.5;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.7; }
}

.profile-placeholder {
    position: relative;
    width: 300px;
    height: 300px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--accent-primary);
    margin: 0 auto;
    z-index: 1;
}

.profile-placeholder i {
    font-size: 8rem;
    color: var(--accent-primary);
    opacity: 0.8;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

.floating-badge i {
    font-size: 1.8rem;
    color: var(--accent-primary);
}

.badge-1 {
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.badge-2 {
    top: 50px;
    right: 0;
    animation-delay: 0.5s;
}

.badge-3 {
    bottom: 50px;
    left: 0;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-tertiary);
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-tertiary);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   Sections Common Styles
============================================ */
.section {
    padding: var(--section-padding);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 60px;
}

.title-number {
    color: var(--accent-primary);
    font-family: 'Fira Code', monospace;
    font-size: 1.2rem;
}

.title-line {
    flex: 1;
    height: 1px;
    background: var(--border-color);
    max-width: 300px;
}

/* ============================================
   About Section
============================================ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-text .philosophy {
    font-style: italic;
    color: var(--accent-primary);
    font-size: 1.2rem;
    font-weight: 500;
    padding: 20px;
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.about-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.highlight-item i {
    color: var(--accent-primary);
}

.about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-card {
    padding: 30px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.card-icon i {
    font-size: 1.5rem;
    color: white;
}

.about-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.about-card p {
    font-size: 0.95rem;
    color: var(--text-tertiary);
}

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

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 50px;
}

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

.timeline-marker {
    position: absolute;
    left: 15px;
    top: 0;
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.timeline-marker i {
    color: white;
    font-size: 0.9rem;
}

.timeline-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
}

.timeline-header {
    margin-bottom: 15px;
}

.timeline-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.timeline-header .company {
    color: var(--accent-primary);
    font-weight: 600;
}

.timeline-date {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.timeline-date .duration {
    background: var(--bg-tertiary);
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

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

.responsibilities {
    margin-bottom: 20px;
}

.responsibilities li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.responsibilities li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 5px 12px;
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: 'Fira Code', monospace;
}

/* ============================================
   Skills Section (Devam)
============================================ */
.skill-category {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.category-header i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.category-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.skills-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: grid;
    grid-template-columns: 50px 120px 1fr;
    align-items: center;
    gap: 15px;
}

.skill-icon {
    width: 45px;
    height: 45px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-icon i {
    font-size: 1.3rem;
    color: var(--accent-primary);
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

.skill-progress {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-out;
}

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

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

.project-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.project-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.project-status {
    padding: 5px 12px;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.project-status.completed {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
}

.project-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.project-tech span {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-family: 'Fira Code', monospace;
}

.project-date {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Education Section
============================================ */
.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.education-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.education-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.education-icon i {
    font-size: 2rem;
    color: white;
}

.education-badge {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.education-badge.completed {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
}

.education-content h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.education-content h4 {
    font-size: 1.1rem;
    color: var(--accent-primary);
    margin-bottom: 10px;
}

.education-content .department {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.education-content .thesis {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 15px;
}

.gpa {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 15px;
}

.gpa-label {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.gpa-value {
    color: var(--accent-primary);
    font-weight: 700;
}

.gpa i {
    color: #fbbf24;
}

.education-date {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

/* ============================================
   Hobbies Section
============================================ */
.hobbies {
    background: var(--bg-secondary);
}

.hobbies-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.hobby-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-normal);
}

.hobby-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.hobby-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: transform var(--transition-normal);
}

.hobby-card:hover .hobby-icon {
    transform: rotate(10deg) scale(1.1);
}

.hobby-icon i {
    font-size: 1.8rem;
    color: white;
}

.hobby-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.hobby-card p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.hobby-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.hobby-link:hover {
    gap: 12px;
}

/* ============================================
   Contact Section
============================================ */
.contact-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-text {
    margin-bottom: 50px;
}

.contact-text h3 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: left;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.15);
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.4rem;
    color: white;
}

.contact-info h4 {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-info p {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    width: 55px;
    height: 55px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.3rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

/* ============================================
   Footer
============================================ */
.footer {
    background: var(--bg-secondary);
    padding: 50px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.footer-logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-style: italic;
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ============================================
   Back to Top Button
============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 5px 20px rgba(99, 102, 241, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.5);
}

/* ============================================
   Responsive Styles
============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-name {
        font-size: 3rem;
    }

    .hero-description {
        margin: 0 auto 30px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .image-container {
        width: 300px;
        height: 300px;
    }

    .profile-placeholder {
        width: 220px;
        height: 220px;
    }

    .profile-placeholder i {
        font-size: 6rem;
    }

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

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

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

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

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

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

@media (max-width: 768px) {
    .controls {
        top: 15px;
        right: 15px;
    }

    .control-btn {
        width: 40px;
        height: 40px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

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

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

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

    .hero {
        padding: 80px 20px;
    }

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

    .hero-title-wrapper {
        flex-direction: column;
        gap: 5px;
        font-size: 1.2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-item {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
        flex-wrap: wrap;
    }

    .title-line {
        display: none;
    }

    .about-cards {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-marker {
        left: 0;
        width: 30px;
        height: 30px;
    }

    .skill-item {
        grid-template-columns: 40px 100px 1fr;
        gap: 10px;
    }

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

    .contact-text h3 {
        font-size: 2rem;
    }

    .social-links {
        flex-wrap: wrap;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

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

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

    .btn {
        width: 100%;
        justify-content: center;
    }

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

    .profile-placeholder {
        width: 180px;
        height: 180px;
    }

    .profile-placeholder i {
        font-size: 5rem;
    }

    .floating-badge {
        width: 45px;
        height: 45px;
    }

    .floating-badge i {
        font-size: 1.3rem;
    }
}

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

@keyframes fadeInDown {
    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);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Preloader (Optional) */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Selection Color */
::selection {
    background: var(--accent-primary);
    color: white;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Focus Styles for Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .controls,
    .back-to-top,
    .scroll-indicator,
    #particles-js {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: 20px;
    }

    .section {
        padding: 30px 0;
    }

    * {
        color: #000 !important;
        background: #fff !important;
    }
}

.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-primary);
    position: relative;
    z-index: 1;
}