/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-primary: #58a6ff;
    --accent-secondary: #1f6feb;
    --accent-success: #3fb950;
    --accent-warning: #d29922;
    --accent-error: #f85149;
    --border-color: #30363d;
    --code-bg: #161b22;
    --shadow: rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Terminal Header */
.terminal-header {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27c93f; }

.terminal-title {
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* Navigation */
.nav {
    background: var(--bg-secondary);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 41px;
    z-index: 99;
}

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

.logo {
    font-size: 1.2rem;
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

.prompt {
    color: var(--accent-success);
    margin-right: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: 'Courier New', monospace;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 6rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.profile-section {
    flex-shrink: 0;
}

.profile-photo {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-primary);
    box-shadow: 0 8px 16px rgba(88, 166, 255, 0.3);
    transition: all 0.3s ease;
}

.profile-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 24px rgba(88, 166, 255, 0.5);
}

.code-window {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 3rem;
    display: flex;
    gap: 1rem;
    box-shadow: 0 4px 6px var(--shadow);
}

.line-numbers {
    display: flex;
    flex-direction: column;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    user-select: none;
    padding-right: 1rem;
    border-right: 1px solid var(--border-color);
}

.code-content {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    overflow-x: auto;
}

.keyword { color: #ff7b72; }
.variable { color: #79c0ff; }
.property { color: #7ee787; }
.string { color: #a5d6ff; }

.hero-info {
    text-align: center;
}

.hero-info h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glitch {
    position: relative;
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 90%, 100% {
        transform: translate(0);
    }
    92% {
        transform: translate(-2px, 2px);
    }
    94% {
        transform: translate(2px, -2px);
    }
}

.typing-effect {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-family: 'Courier New', monospace;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-social {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-social:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.3);
}

/* Section Styles */
.section {
    padding: 5rem 0;
}

.alt-bg {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

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

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

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

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    z-index: 1;
}

.timeline-content {
    margin-left: 1rem;
}

/* Cards */
.card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s;
}

.card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.2);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

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

.card-header h3 {
    font-size: 1.3rem;
    color: var(--accent-primary);
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--accent-secondary);
    border-radius: 12px;
    font-size: 0.75rem;
    color: white;
    font-weight: 600;
}

.date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.institution {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}

.details {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.details p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* Project Cards */
.project-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(88, 166, 255, 0.2);
}

.project-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--accent-primary);
}

.project-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    margin-bottom: 1rem;
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
}

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

.stat {
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--accent-success);
    font-family: 'Courier New', monospace;
}

.project-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    margin-top: auto;
    transition: color 0.3s;
}

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

/* Lists */
.bullet-list {
    list-style: none;
    margin: 1rem 0;
}

.bullet-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.bullet-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-success);
    font-size: 1.2rem;
}

/* Tech Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--accent-primary);
    font-family: 'Courier New', monospace;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-badge {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.3s;
}

.tech-badge:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

/* Skills Section */
.skills-container {
    display: grid;
    gap: 3rem;
}

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

.skill-category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.skill-items {
    display: grid;
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-size: 0.95rem;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

.skill-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

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

.language-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.flag {
    font-size: 1.5rem;
}

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

.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px var(--shadow);
}

.code-block code {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
}

.contact-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

.contact-btn .icon {
    font-size: 2rem;
}

.contact-btn strong {
    display: block;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.contact-btn p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

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

.footer-content {
    color: var(--text-secondary);
}

.footer-note {
    margin-top: 0.5rem;
    font-family: 'Courier New', monospace;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
        max-width: 100%;
    }

    .nav-menu {
        display: none;
    }

    .logo {
        font-size: 0.9rem;
    }

    /* Hero Section Mobile */
    .hero {
        padding: 3rem 0;
        min-height: auto;
    }

    .hero-content {
        flex-direction: column;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .profile-photo {
        width: 200px;
        height: 200px;
    }

    .code-window {
        overflow-x: auto;
        padding: 1rem;
    }

    .line-numbers {
        font-size: 0.75rem;
    }

    .code-content {
        font-size: 0.8rem;
    }

    .hero-info h1 {
        font-size: 2rem;
    }

    .typing-effect {
        font-size: 0.9rem;
    }

    .social-links {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn-social {
        width: 100%;
        justify-content: center;
    }

    /* Sections Mobile */
    .section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    /* Timeline Mobile */
    .timeline {
        padding-left: 1rem;
    }

    .timeline-marker {
        left: -1.25rem;
    }

    .timeline-content {
        margin-left: 0.5rem;
    }

    /* Cards Mobile */
    .card {
        padding: 1rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .card-header h3 {
        font-size: 1.1rem;
    }

    /* Grid Mobile */
    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    /* Project Cards Mobile */
    .project-card {
        padding: 1rem;
    }

    .project-icon {
        font-size: 2.5rem;
    }

    .project-card h3 {
        font-size: 1.1rem;
    }

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

    .code-block {
        padding: 1rem;
        overflow-x: auto;
    }

    .code-block code {
        font-size: 0.85rem;
    }

    .contact-btn {
        padding: 1rem;
    }

    .contact-btn .icon {
        font-size: 1.5rem;
    }

    /* Tech Tags Mobile */
    .tech-tags,
    .tech-grid {
        gap: 0.5rem;
    }

    .tech-tag,
    .tech-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }

    /* Bullet List Mobile */
    .bullet-list li {
        font-size: 0.9rem;
        padding-left: 1.2rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card,
.project-card {
    animation: fadeIn 0.6s ease-out;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

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