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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --text-primary: #e0e0e0;
    --text-secondary: #888888;
    --accent: #00a8ff;
    --accent-dim: #0088cc;
    --border: #222222;
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Terminal Cursor Effect */
.cursor {
    display: inline-block;
    width: 10px;
    height: 20px;
    background-color: var(--accent);
    animation: blink 1s infinite;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent);
    text-decoration: none;
}

.logo:hover {
    color: var(--accent-dim);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 5%;
    margin-top: 60px;
}

.hero h1 {
    font-size: clamp(2rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero .subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero .name {
    color: var(--accent);
}

.terminal-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

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

/* Section */
section {
    padding: 5rem 5%;
    border-top: 1px solid var(--border);
}

section h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--accent);
}

section h2::before {
    content: '> ';
    color: var(--text-secondary);
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.about-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 4px;
    transition: border-color 0.3s, transform 0.3s;
}

.about-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.about-card h3 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: 2rem;
}

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

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-primary);
    transform: translateX(-5px);
}

.timeline-year {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 4px;
    transition: border-color 0.3s, transform 0.3s;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.project-card img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border-radius: 50%;
    padding: 5px;
    background: var(--bg-secondary);
    box-shadow: 
        0 0 0 3px var(--bg-primary),
        0 0 0 4px var(--accent),
        0 0 20px rgba(0, 168, 255, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover img {
    transform: scale(1.05);
    box-shadow: 
        0 0 0 3px var(--bg-primary),
        0 0 0 4px var(--accent),
        0 0 30px rgba(0, 168, 255, 0.5);
}

.project-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.project-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.project-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s, transform 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.project-link:hover {
    color: var(--accent-dim);
    transform: translateX(3px);
}

.project-link i {
    font-size: 1.1rem;
}

.project-badge {
    font-size: 0.75rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
}

/* Skills */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.skills-category h3 {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tag {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.3s;
}

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

/* Stats Section */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: border-color 0.3s, transform 0.3s;
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

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

/* Footer */
footer {
    padding: 3rem 5%;
    border-top: 1px solid var(--border);
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.8rem;
    transition: color 0.3s, transform 0.3s;
    display: inline-block;
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 5%;
    }

    nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav a {
        margin-left: 0.5rem;
        margin-right: 0.5rem;
        font-size: 0.85rem;
    }

    section {
        padding: 3rem 5%;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        padding-left: 1.5rem;
    }

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

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

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s, transform 0.6s;
}

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