@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');
/* aspect-ratio: 1080 / 
*/
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --accent-green: #547792;
    --accent-blue: #64ffda;
    --accent-purple: #bb86fc;
    --accent-orange: #ff9500;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-dim: #666666;
    --border-color: #333333;
    --error-color: #ff5555;
}

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

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

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Matrix Rain Effect */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.03;
    pointer-events: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-green);
}

.logo::before {
    content: '> ';
    color: var(--accent-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent-green);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-links a::before {
    content: '// ';
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-links a:hover::before {
    opacity: 1;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.social-links-header {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.social-link-header {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    border-radius: 6px;
    padding: 0.5rem;
}

.social-link-header svg {
    width: 20px;
    height: 20px;
}

.social-link-header:hover {
    color: var(--accent-green);
    background: rgba(84, 119, 146, 0.1);
    transform: translateY(-2px);
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.25rem;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 80px 2rem 0 2rem;
}

.hero-content {
    max-width: 800px;
}

.hero-prefix {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-blue);
    font-size: 1rem;
    margin-bottom: 0.5rem;
    animation: typewriter 2s steps(20) 1s both;
}

.hero-code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 1s both;
}

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

.code-line:last-child {
    margin-bottom: 0;
}

.code-comment {
    color: var(--text-dim);
    font-style: italic;
}

.hero-suffix {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-blue);
    font-size: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 1.2s both;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-green) 50%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 1.5s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 2s both;
}

.btn {
    padding: 12px 24px;
    border: 2px solid;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--accent-green);
    color: var(--bg-primary);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.btn-secondary {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Terminal Effect */
.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27ca3f; }

/* Projects Section */
.projects {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.section-header {
    margin-bottom: 3rem;
}

.section-prefix {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-blue);
    font-size: 0.9rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
}

.section-note {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-style: italic;
    margin-top: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
}

.project-controls {
    margin-bottom: 2rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.project-count {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    cursor: move;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-card.drag-over {
    border-color: var(--accent-blue);
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(100, 255, 218, 0.3);
}

.project-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: grab;
}

.project-header:active {
    cursor: grabbing;
}

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

.drag-icon {
    color: var(--text-dim);
    font-size: 1.2rem;
    font-weight: bold;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.project-card:hover .drag-icon {
    opacity: 1;
    color: var(--accent-green);
}

.project-body {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.stack-item {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

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

.project-link {
    color: var(--accent-green);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.project-link::before {
    content: '↗ ';
}

/* Animations */
@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Design Portfolio Section */
.design-portfolio {
    padding: 100px 0;
    background: var(--bg-primary);
}

.design-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    justify-content: center;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.design-item {
    position: relative;
    width: 100%;
    height: 312px;
    aspect-ratio: 1080 / 1350;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.design-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.design-item img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    object-position: center;
    transition: transform 0.3s ease;
}

.design-item:hover img {
    transform: scale(1.1);
}

.design-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.design-item:hover .design-overlay {
    transform: translateY(0);
}

.design-overlay h3 {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

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

/* Image Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 1200px;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    transition: color 0.3s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* CV Section */
.cv-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.cv-container {
    margin-top: 2rem;
}

.cv-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.cv-controls .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.cv-item {
    display: flex;
    flex-direction: column;
}

.cv-title {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-green);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.cv-viewer {
    width: 100%;
    height: 80vh;
    min-height: 600px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.cv-viewer iframe {
    width: 100%;
    height: 100%;
    border: none;
    zoom: 0.9;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 65, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 65, 0.2);
}

.contact-details h3 {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-details a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--accent-blue);
}

.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.form-header {
    background: var(--bg-tertiary);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.form-title {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-form-content {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
    margin: 0.5rem 0;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 2px rgba(0, 255, 65, 0.1);
}

.form-group span {
    color: var(--accent-blue);
    font-size: 0.9rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: relative;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-right {
        gap: 0.75rem;
    }
    
    .social-links-header {
        gap: 0.5rem;
    }
    
    .social-link-header {
        width: 28px;
        height: 28px;
        padding: 0.4rem;
    }
    
    .social-link-header svg {
        width: 18px;
        height: 18px;
    }
    
    .language-switcher {
        padding: 0.2rem;
    }
    
    .lang-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .project-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .cv-viewer {
        height: 70vh;
        min-height: 500px;
    }

    .cv-controls {
        justify-content: center;
    }

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

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

    .design-item {
        width: 100%;
        height: auto;
        max-width: 250px;
        margin: 0 auto;
    }

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

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }
}

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

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

.footer-text p {
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 6px;
}

.footer-link:hover {
    color: var(--accent-green);
    background: rgba(0, 255, 65, 0.1);
    transform: translateY(-2px);
}

.footer-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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