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

:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-hover: #1c2128;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --border: #30363d;
    --green: #3fb950;
    --yellow: #d29922;
    --keyword: #ff7b72;
    --string: #a5d6ff;
    --number: #79c0ff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 14px;
}

.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(88, 166, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 1;
    transition: opacity 0.3s;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    transition: all 0.3s;
}

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

nav .logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
}

.blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

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

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 400;
    position: relative;
}

nav a::before {
    content: '> ';
    opacity: 0;
    transition: opacity 0.3s;
}

nav a:hover::before,
nav a.active::before {
    opacity: 1;
}

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

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

section {
    min-height: 50vh;
    padding: 6rem 0;
    position: relative;
    z-index: 2;
    border-bottom: 1px solid var(--border);
}

#home {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 8rem;
}

.terminal-text {
    margin-bottom: 2rem;
}

.comment {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.home-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
}

.home-content .subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.keyword { 
    color: var(--keyword); 
}

.string { 
    color: var(--string); 
}

.number { 
    color: var(--number); 
}

.property { 
    color: var(--accent); 
}

.class-name { 
    color: var(--yellow); 
}

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

.description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 1.5rem;
    background: var(--accent);
    color: var(--bg-dark);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
    border: 1px solid var(--accent);
    cursor: pointer;
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
}

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

.btn-outline {
    background: transparent;
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
    font-weight: 600;
}

.section-title .comment {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.code-block {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.code-line {
    margin: 0.3rem 0;
    font-size: 0.95rem;
}

.indent { 
    padding-left: 2rem; 
}

.bio {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.info-item {
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item:hover {
    border-color: var(--accent);
    background: var(--bg-hover);
}

.info-item .icon,
.contact-details-list .icon {
    font-size: 1.5rem;
}

.info-item strong,
.contact-details-list strong {
    color: var(--accent);
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
}

.info-item p ,
.contact-details-list p,
.contact-details-list a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.info-item a,
.contact-details-list a {
    color: var(--accent);
    text-decoration: none;
}

.info-item a:hover,
.contact-details-list a:hover {
    text-decoration: underline;
}

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

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

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.4rem;
    top: 0.3rem;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
}

.timeline-item h3 {
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
}

.timeline-item .date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.timeline-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

#filter {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 20%;
    padding: 0.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 6px;
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

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

.project-icon { 
    font-size: 2rem; 
}

.project-status {
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.75rem;
    border: 1px solid var(--accent);
}

.project-status.completed {
    background: rgba(63, 185, 80, 0.1);
    color: var(--green);
    border-color: var(--green);
}

.project-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.9rem;
}

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

.project-date { 
    font-style: italic; 
}

.project-more {
    display: flex;
    justify-content: right;
}

.tech-tag {
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent);
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    font-size: 0.75rem;
    border: 1px solid var(--border);
}

.skills-subtitle {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-top: 20px;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.skill-item, .language-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.3s ease;
}

.skill-item:hover, .language-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    background: var(--bg-hover);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.skill-name-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-icon-img {
    width: 24px;
    height: 24px;
}

.skill-emoji {
    font-size: 1.5rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.skill-level-dots {
    display: flex;
    gap: 6px;
}

.view_more {
    display: flex;
    margin-top: 20px;
    text-decoration: none;
    color: var(--accent);
    transition: color 0.3s, text-shadow 0.3s;
    position: relative;
    padding-bottom: 4px; 
}

.view_more:hover {
    color: var(--accent-hover); 
    text-shadow: 0 0 10px rgba(88, 166, 255, 0.7); 
}

.view_more::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    background-color: var(--accent-hover);
    width: 0%;
    transition: width 0.3s ease-out;
}

.view_more:hover::after {
    width: 100%;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border);
    transition: background-color 0.3s ease;
}

.dot.filled {
    background-color: var(--accent);
    box-shadow: 0 0 5px rgba(88, 166, 255, 0.5);
}

.language-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.language-item {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    row-gap: 10px;
}

.language-level {
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: rgba(88, 166, 255, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.references-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 20px;
}

.reference-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ref-name {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 5px;
    font-weight: 600;
}

.ref-role {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 2px;
}

.ref-location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 10px;
}

.ref-email {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
    margin-top: 5px;
}

.ref-email .icon {
    font-size: 1.1rem;
}

.ref-email:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
}

.contact-form {
    padding-right: 3rem;
    border-right: 1px solid var(--border);
}

.contact-form h3, .contact-details h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.form-group { margin-bottom: 1.2rem; }

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

.form-control {
    width: 100%;
    padding: 0.8rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.btn-submit {
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    width: 100%;
}

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

.contact-details-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-details-list li {
    display: flex;
    gap: 1rem;
    align-items: center;
}

footer {
    background: var(--bg-card);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

footer p {
    color: var(--text-secondary);
    margin: 0.3rem 0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    nav { 
        padding: 1rem; 
    }

    nav .container {
        flex-direction: column;
        gap: 1rem;
    }
    nav ul {
        gap: 1rem;
        font-size: 0.85rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav a {
        background: none;
        border: none;
        padding: 0;
    }
    
    .about-content, 
    .contact-layout { 
        grid-template-columns: 1fr; 
    }

    .skills-container, 
    .language-container { 
        grid-template-columns: 1fr; 
    }
    
    .references-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .reference-item {
        align-items: center;
        text-align: center;
    }

    .home-content h1 { 
        font-size: 2.5rem; 
    }

    .cta-buttons { 
        flex-direction: column; 
    }

    .btn, .btn-submit { 
        width: 100%; text-align: center; 
    }

    .contact-form {
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-bottom: 2rem;
        margin-bottom: 2rem;
    }

    .contact-layout {
        padding: 1.5rem;
    }
}