/* Base Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-violet: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;
    --accent-green: #22c55e;
    --accent-orange: #f59e0b;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.gradient-bg {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 40%);
    animation: gradientMove 20s ease-in-out infinite;
}

@keyframes gradientMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(5%, 5%) rotate(5deg); }
    66% { transform: translate(-5%, 2%) rotate(-5deg); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 70%);
}

#particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    backdrop-filter: blur(0px);
    background: transparent;
}

.nav.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-bracket {
    color: var(--accent-cyan);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 100px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    padding-bottom: 80px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent-green);
    margin-bottom: 24px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-cyan) 50%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 32px;
}

.hero-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.stack-tag {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.stack-tag:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-violet);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
    color: white;
    box-shadow: 0 4px 24px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-cyan);
}

/* Code Window */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-window {
    width: 100%;
    max-width: 480px;
    background: rgba(18, 18, 26, 0.8);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow), 0 0 60px rgba(139, 92, 246, 0.1);
    backdrop-filter: blur(10px);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition);
    animation: float 6s ease-in-out infinite;
}

.code-window:hover {
    animation-play-state: paused;
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

@keyframes float {
    0%, 100% { transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(0); }
    50% { transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(-15px); }
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #eab308; }
.code-dot.green { background: #22c55e; }

.code-filename {
    margin-left: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.code-body {
    padding: 24px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    overflow-x: auto;
}

.code-keyword { color: var(--accent-pink); }
.code-class { color: var(--accent-orange); }
.code-variable { color: var(--accent-cyan); }
.code-string { color: var(--accent-green); }
.code-number { color: var(--accent-violet); }
.code-function { color: #60a5fa; }

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 22px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(6px); }
}

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

/* Sections */
.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-header {
    max-width: 700px;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-violet);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1px;
}

/* About Cards */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.about-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.about-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 700;
}

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

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.skill-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.skill-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.skill-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    position: relative;
}

.skill-icon.backend {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
}

.skill-icon.backend::after {
    content: '⚙️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.3rem;
}

.skill-icon.frontend {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(6, 182, 212, 0.05));
}

.skill-icon.frontend::after {
    content: '🎨';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.3rem;
}

.skill-icon.devops {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.05));
}

.skill-icon.devops::after {
    content: '🐳';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.3rem;
}

.skill-icon.ai {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(236, 72, 153, 0.05));
}

.skill-icon.ai::after {
    content: '🤖';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.3rem;
}

.skill-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.skill-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skill-list li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-left: 18px;
    position: relative;
}

.skill-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-violet);
}

/* GitHub Section */
.github-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    backdrop-filter: blur(10px);
}

.github-profile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.github-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-violet);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

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

.github-info h3 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.github-username {
    color: var(--accent-cyan);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.github-bio {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.github-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.stat-item {
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.stat-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.github-btn {
    justify-content: center;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-violet);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

.project-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.project-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-violet);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.15);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.project-icon {
    font-size: 1.5rem;
}

.project-featured {
    padding: 4px 10px;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-violet);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.project-language {
    display: flex;
    align-items: center;
    gap: 6px;
}

.language-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.project-stats {
    display: flex;
    gap: 14px;
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-violet), var(--accent-cyan));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    width: 50%;
    padding: 0 40px;
}

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

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--bg-primary);
    border: 3px solid var(--accent-cyan);
    border-radius: 50%;
    top: 4px;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -10px;
}

.timeline-content {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.timeline-content:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.timeline-date {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.timeline-company {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.timeline-content ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.timeline-content li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    position: relative;
    padding-left: 16px;
}

.timeline-item:nth-child(odd) .timeline-content li {
    padding-left: 0;
    padding-right: 16px;
}

.timeline-item:nth-child(odd) .timeline-content li::before {
    left: auto;
    right: 0;
}

.timeline-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-violet);
}

/* Education */
.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.education-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.education-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.education-date {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--accent-violet);
    margin-bottom: 14px;
}

.education-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.education-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 20px;
    max-width: 320px;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-location {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .code-window {
        max-width: 400px;
        transform: none;
        animation: none;
    }

    .code-window:hover {
        transform: none;
    }

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

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

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }

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

    .about-grid,
    .skills-grid,
    .projects-grid,
    .education-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        width: 100%;
        left: 0;
        text-align: left;
        padding-left: 50px;
        padding-right: 0;
    }

    .timeline-marker,
    .timeline-item:nth-child(odd) .timeline-marker,
    .timeline-item:nth-child(even) .timeline-marker {
        left: 10px;
        right: auto;
    }

    .timeline-item:nth-child(odd) .timeline-content li {
        padding-left: 16px;
        padding-right: 0;
    }

    .timeline-item:nth-child(odd) .timeline-content li::before {
        left: 0;
        right: auto;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.98);
        padding: 24px;
        gap: 8px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        display: block;
        padding: 12px 16px;
    }

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

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .github-stats {
        grid-template-columns: 1fr 1fr;
    }

    .github-profile {
        flex-direction: column;
    }
}