:root {
    --bg-color: #0a0a0a;
    --text-color: #e5e5e5;
    --text-secondary: #888;
    --accent-color: #22c55e;
    --accent-hover: #16a34a;
    --card-bg: #141414;
    --card-hover: #1a1a1a;
    --border-color: #262626;
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 2rem;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-social {
    display: flex;
    gap: 1rem;
    margin-left: 2rem;
    padding-left: 2rem;
    border-left: 1px solid var(--border-color);
}

.nav-social a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
}

.nav-social a:hover {
    color: var(--accent-color);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 6rem 1.5rem 3rem;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 3rem;
    align-items: center;
    min-height: 70vh;
    padding-bottom: 4rem;
}

.hero-label {
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.hero-image img {
    width: 100%;
    border-radius: var(--radius);
    border: 2px solid var(--border-color);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent-color);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

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

.btn-secondary:hover {
    border-color: var(--text-color);
}

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

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.section {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.about-content a {
    color: var(--accent-color);
    text-decoration: none;
}

.about-content a:hover {
    text-decoration: underline;
}

.mt-2 {
    margin-top: 1.5rem;
}

.resume-grid, .work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.resume-card, .work-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.resume-card h3, .work-card h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.resume-card p, .work-company {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.work-card {
    position: relative;
}

.work-card.current {
    border-color: var(--accent-color);
}

.work-badge {
    display: inline-block;
    background: var(--accent-color);
    color: #000;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.skill-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    font-size: 0.9rem;
}

.skill-item strong {
    color: var(--accent-color);
}

.portfolio-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tab {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tab:hover {
    border-color: var(--text-secondary);
}

.tab.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.portfolio-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.2s;
}

.portfolio-card:hover {
    background: var(--card-hover);
    border-color: var(--text-secondary);
}

.portfolio-card h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.portfolio-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.card-image {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.link {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.875rem;
}

.link:hover {
    text-decoration: underline;
}

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

.contact-email {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.contact-email a {
    color: var(--accent-color);
    text-decoration: none;
}

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

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.social-link:hover {
    color: var(--accent-color);
}

.footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .nav {
        gap: 1rem;
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .nav-social {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
        padding-top: 0.5rem;
        border-top: 1px solid var(--border-color);
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        min-height: auto;
        padding-top: 2rem;
    }
    
    .hero-image {
        order: -1;
        max-width: 200px;
        margin: 0 auto;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-links {
        justify-content: center;
    }
    
    .container {
        padding-top: 8rem;
    }
}