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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #0f0f0f;
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #333;
    z-index: 1000;
    padding: 0;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand h1 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-links a {
    color: #ccc;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #fff;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: flex;
    flex-direction: column;
    width: 25px;
    height: 20px;
    position: relative;
}

.hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger span:nth-child(1) {
    margin-bottom: 5px;
}

.hamburger span:nth-child(2) {
    margin-bottom: 5px;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0f0f0f;
    padding: 0 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    color: #4f46e5;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #a1a1aa;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: #71717a;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #4f46e5;
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: #4f46e5;
}

.btn-secondary:hover {
    background: #4f46e5;
    transform: translateY(-2px);
}

section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #4f46e5;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: #a1a1aa;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    font-weight: 400;
}

.about {
    background: #0f0f0f;
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 3rem;
}

.about-text {
    max-width: 600px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: #a1a1aa;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    text-align: center;
}

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

.image-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.3);
    transition: transform 0.3s ease;
}

.image-placeholder:hover {
    transform: scale(1.05);
}

.placeholder-text {
    font-size: 4rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: #1a1a1a;
    border-radius: 1rem;
    border: 1px solid #333;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: #4f46e5;
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4f46e5;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #9ca3af;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.skills {
    background: #1a1a1a;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-category {
    background: #0f0f0f;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid #333;
    transition: all 0.3s ease;
}

.skill-category:hover {
    border-color: #4f46e5;
    transform: translateY(-5px);
}

.skill-category h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
    text-align: center;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #4f46e5;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #1a1a1a;
    border-radius: 0.5rem;
    border: 1px solid #333;
    transition: all 0.3s ease;
}

.skill-item:hover {
    border-color: #4f46e5;
    background: #222;
}

.skill-name {
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
}

.skill-level {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.skill-level.experienced {
    background: #10b981;
    color: #fff;
}

.skill-level.intermediate {
    background: #f59e0b;
    color: #fff;
}

.skill-level.beginner {
    background: #ef4444;
    color: #fff;
}

.projects {
    background: #0f0f0f;
}

.projects-single {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.projects-single .project-card {
    max-width: 500px;
    width: 100%;
}

.project-card {
    background: #0f0f0f;
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #333;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-card.coming-soon {
    opacity: 0.8;
    position: relative;
}

.project-card.coming-soon:hover {
    opacity: 1;
}

.coming-soon-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #4f46e5;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.5rem;
}

.project-description {
    color: #a1a1aa;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

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

.tech-tag {
    background: #333;
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.contact {
    background: #1a1a1a;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: 600;
    text-align: center;
}

.contact-info p {
    color: #a1a1aa;
    line-height: 1.7;
    margin-bottom: 3rem;
    font-size: 1.1rem;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-cards {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.contact-card {
    background: #0f0f0f;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid #333;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: #4f46e5;
    transform: translateY(-5px);
}

.contact-card .contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.contact-card h4 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-card p {
    color: #a1a1aa;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.contact-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #4f46e5;
    color: #fff;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background: #3730a3;
    transform: translateY(-2px);
}

.social-section {
    text-align: center;
}

.social-section h4 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #4f46e5;
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    background: #0f0f0f;
    border: 1px solid #333;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    border-color: #4f46e5;
    background: #1a1a1a;
    transform: translateY(-2px);
}

.social-icon {
    font-size: 1.2rem;
}

.footer {
    background: #0a0a0a;
    padding: 2rem 0;
    border-top: 1px solid #333;
}

.footer-content {
    text-align: center;
    color: #71717a;
}

.footer-content p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0f0f0f;
}

::-webkit-scrollbar-thumb {
    background: #4f46e5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7c3aed;
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 15, 15, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        border-top: 1px solid #333;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: 1.1rem;
        padding: 0.5rem 0;
        display: block;
        text-align: center;
    }
    
    .hero {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about {
        padding: 3rem 0;
    }
    
    .about-main {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .skill-category {
        padding: 1.5rem;
    }
    
    .skill-item {
        padding: 0.5rem 0.75rem;
    }
    
    .skill-name {
        font-size: 0.9rem;
    }
    
    .skill-level {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
    }
    
    .projects {
        padding: 3rem 0;
    }
    
    .projects-single .project-card {
        max-width: 100%;
        margin: 0 1rem;
    }
    
    .project-content {
        padding: 1rem;
    }
    
    .contact {
        padding: 3rem 0;
    }
    
    .contact-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .social-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .social-link {
        width: 200px;
        justify-content: center;
    }
}