:root {
    --bg: #0a0a0a;
    --surface: #111111;
    --surface2: #1a1a1a;
    --accent: #c8f562;
    --accent2: #56cfb2;
    --text: #f0f0f0;
    --muted: #666;
    --border: #222;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Mono', monospace;
    font-size: 14px;
    line-height: 1.7;
}

::-webkit-scrollbar {
    width: 3px;
}

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

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

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    border-color: var(--border);
    backdrop-filter: blur(10px);
}

.nav-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 18px;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.2s;
}

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

.menu-toggle {
    display: none;
    font-size: 22px;
    color: var(--accent);
    cursor: pointer;
}

@media (max-width: 768px) {

    nav {
        padding: 16px 20px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        right: 20px;
        background: var(--surface);
        flex-direction: column;
        width: 200px;
        padding: 20px;
        border: 1px solid var(--border);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 60px 60px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(200, 245, 98, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(200, 245, 98, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 2px;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 32px;
}

.hero-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(0.8);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 20px 40px;
    }

    .hero h1 {
        font-size: 42px;
        letter-spacing: -1px;
    }

    .hero-bio {
        font-size: 13px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }
}

.hero h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(32px, 10vw, 72px);
    line-height: 0.95;
    letter-spacing: -3px;
    margin-bottom: 24px;
}

.hero h1 .line1 {
    display: block;
    color: var(--text);
}

.hero h1 .line2 {
    display: block;
    color: transparent;
    -webkit-text-stroke: 1px var(--accent);
}

.hero-bio {
    max-width: 480px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-bio span {
    color: var(--accent2);
}

.hero-cta {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0a;
    padding: 14px 28px;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    transition: all 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--accent2);
    transform: translateY(-2px);
}

.btn-ghost {
    color: var(--muted);
    font-size: 12px;
    text-decoration: none;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
}

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

.btn-ghost::after {
    content: '↗';
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    right: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.hero-scroll::before {
    content: '';
    width: 1px;
    height: 60px;
    background: linear-gradient(var(--accent), transparent);
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

section {
    padding: 100px 60px;
    max-width: 1500px;
    margin: auto
}

.section-label {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-label::after {
    content: '';
    flex: 1;
    max-width: 60px;
    height: 1px;
    background: var(--accent);
    opacity: 0.4;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(32px, 4vw, 52px);
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 60px;
}

#skills {
    background: var(--surface);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.skill-card {
    background: var(--surface);
    padding: 28px 24px;
    transition: background 0.2s;
}

.skill-card:hover {
    background: var(--surface2);
}

.skill-category {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.skill-tag {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 4px 10px;
    font-size: 12px;
    color: var(--text);
    border-radius: 2px;
    transition: all 0.2s;
}

.skill-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.project-card {
    background: var(--surface);
    padding: 36px 32px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
    display: flex;
    flex-direction: column;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.project-card:hover {
    background: var(--surface2);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-number {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.project-name {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text);
}

.project-desc {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        padding: 24px 20px;
    }
}

.stack-tag {
    font-size: 11px;
    color: var(--accent2);
    background: rgba(86, 207, 178, 0.08);
    padding: 3px 8px;
    border-radius: 2px;
    border: 1px solid rgba(86, 207, 178, 0.2);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: gap 0.2s;
}

.project-link:hover {
    gap: 10px;
}

#experience {
    background: var(--surface);
}

.timeline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.timeline-section h3 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 32px;
    color: var(--muted);
    letter-spacing: -0.5px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.timeline-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
    padding-left: 20px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 30px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.timeline-date {
    font-size: 11px;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.timeline-title {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 4px;
    letter-spacing: -0.3px;
}

.timeline-place {
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 8px;
}

.timeline-desc {
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 768px) {
    .timeline {
        grid-template-columns: 1fr;
    }
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-text h2 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(36px, 5vw, 64px);
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 24px;
}

.contact-text h2 span {
    color: var(--accent);
}

.contact-text p {
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
    padding: 16px 20px;
    border: 1px solid var(--border);
    transition: all 0.2s;
    font-size: 13px;
}

.contact-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(200, 245, 98, 0.04);
    transform: translateX(4px);
}

.contact-info {
    padding-top: 8px;
}

@media (max-width: 768px) {
    .contact-inner {
        grid-template-columns: 1fr;
    }

    .contact-text h2 {
        font-size: 36px;
    }
}

.info-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.info-label {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 6px;
}

.info-value {
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: 15px;
}

footer {
    padding: 30px 60px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    font-size: 12px;
}

.footer-right a {
    color: var(--accent);
    text-decoration: none;
    position: relative;
    transition: all 0.25s ease;
}

.footer-right a:hover {
    color: var(--accent2);
}

.footer-right a:hover::after {
    width: 100%;
}

.github-link:hover {
    text-shadow: 0 0 8px rgba(200, 245, 98, 0.6);
}

@media (max-width: 768px) {
    footer {
        text-align: center;
    }

    .footer-right {
        display: block;
    }
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    nav {
        padding: 20px 24px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    section {
        padding: 60px 24px;
    }

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

    .contact-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    footer {
        padding: 24px;
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .hero-scroll {
        display: none;
    }

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

@media (max-width: 768px) {
    section {
        padding: 60px 20px;
    }

    .section-title {
        font-size: 28px;
    }
}