:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-green: #58a6ff;
    --accent-blue: #79c0ff;
    --accent-yellow: #f0883e;
    --accent-red: #ff7b72;
    --border: #30363d;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

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

/* Boot Screen */
#boot-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 1s ease-out;
}

#boot-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.boot-text {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.boot-line {
    font-size: 0.9rem;
    color: var(--accent-green);
    opacity: 0;
    animation: bootLine 0.5s ease-in-out forwards;
}

.boot-line:nth-child(1) { animation-delay: 0.5s; }
.boot-line:nth-child(2) { animation-delay: 1s; }
.boot-line:nth-child(3) { animation-delay: 1.5s; }

@keyframes bootLine {
    to { opacity: 1; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-brand {
    font-weight: 600;
    color: var(--accent-green);
}

.cursor-blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    margin-top: 60px;
}

.terminal-window {
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px var(--shadow);
    max-width: 800px;
    width: 100%;
    margin-bottom: 2rem;
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 0.8rem 1rem;
    border-radius: 8px 8px 0 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-button.close { background: var(--accent-red); }
.terminal-button.minimize { background: var(--accent-yellow); }
.terminal-button.maximize { background: var(--accent-green); }

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

.terminal-body {
    padding: 1.5rem;
}

.terminal-line {
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.terminal-output {
    color: var(--text-primary);
    margin-bottom: 1rem;
    margin-left: 0;
}

.terminal-output p {
    margin-bottom: 0.3rem;
}

.file-permission {
    color: var(--accent-blue);
}

.typing-animation {
    position: relative;
}

.cursor {
    animation: blink 1s infinite;
}

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

.btn {
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent-green);
    color: var(--bg-primary);
    border-color: var(--accent-green);
}

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

.btn-secondary {
    background: transparent;
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    color: var(--bg-primary);
}

/* Section Styles */
section {
    padding: 4rem 0;
}

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

.section-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.prompt {
    color: var(--accent-green);
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.markdown-content h3 {
    color: var(--accent-blue);
    margin: 1.5rem 0 1rem 0;
    font-size: 1.1rem;
}

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

.markdown-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.markdown-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.markdown-content strong {
    color: var(--accent-green);
}

.markdown-content blockquote {
    border-left: 3px solid var(--accent-yellow);
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: var(--accent-yellow);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card i {
    font-size: 2rem;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.stat-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent-blue);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.skill-category h3 {
    color: var(--accent-green);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid var(--border);
}

/* Projects Section */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.project-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.project-icon {
    font-size: 1.5rem;
    color: var(--accent-green);
}

.project-header h3 {
    color: var(--text-primary);
    font-size: 1rem;
}

.project-body {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.project-body p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    background: var(--bg-tertiary);
    color: var(--accent-blue);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    border: 1px solid var(--border);
}

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

.project-link {
    color: var(--accent-green);
    text-decoration: none;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: color 0.3s ease;
}

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

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    margin-top: 1rem;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.contact-info i {
    color: var(--accent-green);
    width: 20px;
}

.contact-form {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--accent-green);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn-submit {
    background: var(--accent-green);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    width: 100%;
}

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

/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.heart {
    color: var(--accent-red);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.system-info {
    margin-top: 0.5rem;
    color: var(--accent-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s ease;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

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

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