:root {
    --bg-primary: #1a0a2e;
    --bg-secondary: #2d1b4e;
    --bg-tertiary: #3d2b5e;
    --accent-cyan: #00fff5;
    --accent-magenta: #ff00ff;
    --accent-purple: #9b59b6;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --glow-cyan: 0 0 20px rgba(0, 255, 245, 0.5);
    --glow-magenta: 0 0 20px rgba(255, 0, 255, 0.5);
    --font-main: 'VT323', monospace;
}

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

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 245, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 245, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1),
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1000;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

section {
    padding: 100px 0;
}

h2.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
    letter-spacing: 4px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: var(--font-main);
    font-size: 1.2rem;
    text-decoration: none;
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 2px;
}

.btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    box-shadow: var(--glow-cyan);
}

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

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

.btn-secondary:hover {
    background: var(--accent-magenta);
    color: var(--bg-primary);
    box-shadow: var(--glow-magenta);
}

/* NAV BLOCK */
.nav-block {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 10, 46, 0.95);
    border-bottom: 1px solid var(--accent-cyan);
    padding: 15px 0;
    z-index: 999;
    backdrop-filter: blur(10px);
}

.nav-block .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-main);
    font-size: 1.5rem;
    color: var(--accent-cyan);
    text-decoration: none;
    text-shadow: var(--glow-cyan);
    letter-spacing: 3px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    letter-spacing: 2px;
}

.nav-links a:hover {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

/* HERO BLOCK */
.hero-block {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-block h1 {
    font-size: 4rem;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 8px;
}

.glitch-text {
    position: relative;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.glitch-text:hover::before {
    animation: glitch1 0.5s infinite;
    color: var(--accent-cyan);
    opacity: 0.8;
}

.glitch-text:hover::after {
    animation: glitch2 0.5s infinite;
    color: var(--accent-magenta);
    opacity: 0.8;
}

@keyframes glitch1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes glitch2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(2px, 2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(-2px, 2px); }
}

.typing-text {
    font-size: 1.5rem;
    color: var(--accent-magenta);
    margin-bottom: 40px;
    text-shadow: var(--glow-magenta);
    letter-spacing: 3px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* ABOUT BLOCK */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image .image-placeholder {
    width: 100%;
    height: 400px;
    border: 2px solid var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 245, 0.05);
    box-shadow: var(--glow-cyan);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    border: 2px solid var(--accent-cyan);
    background: rgba(0, 255, 245, 0.05);
    box-shadow: var(--glow-cyan);
}

.about-text p {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

/* SKILLS BLOCK */
.skills-grid {
    display: grid;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.skill-item {
    background: rgba(45, 27, 78, 0.5);
    padding: 20px;
    border: 1px solid var(--accent-purple);
}

.skill-name {
    display: block;
    font-size: 1.2rem;
    color: var(--accent-cyan);
    margin-bottom: 10px;
    text-shadow: var(--glow-cyan);
}

.skill-bar {
    width: 100%;
    height: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--accent-magenta);
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-magenta));
    width: 0;
    transition: width 1.5s ease;
    box-shadow: var(--glow-cyan);
}

/* PROJECTS BLOCK */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: rgba(45, 27, 78, 0.5);
    border: 1px solid var(--accent-purple);
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--glow-magenta);
    border-color: var(--accent-magenta);
}

.project-image .image-placeholder.small {
    height: 200px;
}

.project-image img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background: rgba(45, 27, 78, 0.8);
}

.project-content {
    padding: 25px;
}

.project-title {
    font-size: 1.8rem;
    color: var(--accent-cyan);
    margin-bottom: 15px;
    text-shadow: var(--glow-cyan);
}

.project-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.tag {
    padding: 5px 15px;
    background: rgba(155, 89, 182, 0.3);
    border: 1px solid var(--accent-purple);
    font-size: 0.9rem;
    color: var(--accent-cyan);
}

.project-links {
    display: flex;
    gap: 15px;
}

.project-link {
    padding: 8px 20px;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

    .project-link:hover {
        background: var(--accent-cyan);
        color: var(--bg-primary);
        box-shadow: var(--glow-cyan);
    }

/* LINKS BLOCK */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.link-card {
    background: rgba(45, 27, 78, 0.5);
    border: 1px solid var(--accent-purple);
    padding: 40px 30px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.link-card:hover {
    transform: scale(1.05);
    box-shadow: var(--glow-cyan);
    border-color: var(--accent-cyan);
}

.link-icon {
    font-size: 3rem;
    color: var(--accent-magenta);
    margin-bottom: 20px;
    text-shadow: var(--glow-magenta);
}

.link-card h3 {
    font-size: 1.8rem;
    color: var(--accent-cyan);
    margin-bottom: 10px;
    text-shadow: var(--glow-cyan);
}

.link-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* CONTACT BLOCK */
.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.contact-form {
    margin: 0 auto;
}

.honeypot {
    display: none;
    visibility: hidden;
    position: absolute;
    left: -9999px;
}

.closing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
}

.close-line {
    position: absolute;
    background: var(--bg-primary);
    opacity: 0;
    transition: all 1s ease-in-out;
}

.close-line.horizontal {
    height: 3px;
    left: 50%;
    right: 50%;
    top: 50%;
}

.close-line.vertical {
    width: 3px;
    top: 50%;
    bottom: 50%;
    left: 50%;
}

.form-wrapper.closing .close-line.horizontal {
    left: 0;
    right: 0;
    opacity: 1;
    height: 50px;
}

.form-wrapper.closing .close-line.vertical {
    top: 0;
    bottom: 0;
    opacity: 1;
    width: 50px;
}

.form-wrapper.closing .contact-form {
    opacity: 0.3;
    transition: opacity 1s ease-in-out;
}

.success-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: var(--accent-cyan);
    text-align: center;
    text-shadow: var(--glow-cyan);
    width: 100%;
    z-index: 20;
}

.error-message {
    color: #ff4444;
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-align: center;
    text-shadow: 0 0 10px rgba(255, 68, 68, 0.5);
    padding: 15px;
    border: 1px solid #ff4444;
    background: rgba(255, 68, 68, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 1.2rem;
    color: var(--accent-cyan);
    margin-bottom: 10px;
    text-shadow: var(--glow-cyan);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    font-family: var(--font-main);
    font-size: 1.1rem;
    background: rgba(45, 27, 78, 0.5);
    border: 1px solid var(--accent-purple);
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.form-group textarea {
    resize: vertical;
}

/* FOOTER BLOCK */
.footer-block {
    background: var(--bg-primary);
    border-top: 1px solid var(--accent-purple);
    padding: 30px 0;
    text-align: center;
}

.footer-block p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    letter-spacing: 2px;
}

/* SNAKE BLOCK */
.snake-container {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    justify-items: center;
    align-items: start;
}

.snake-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

#snakeCanvas {
    border: 3px solid var(--accent-cyan);
    background: var(--bg-primary);
    box-shadow: var(--glow-cyan);
}

.snake-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 300px;
}

.snake-stats {
    background: rgba(45, 27, 78, 0.5);
    border: 1px solid var(--accent-purple);
    padding: 20px;
}

.stat {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.stat-label {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

.stat-value {
    color: var(--accent-magenta);
    text-shadow: var(--glow-magenta);
}

.snake-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.snake-options {
    display: flex;
    justify-content: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1rem;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
    accent-color: var(--accent-cyan);
    width: 18px;
    height: 18px;
}

.snake-params {
    background: rgba(45, 27, 78, 0.5);
    border: 1px solid var(--accent-purple);
    padding: 20px;
}

.params-title {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 15px;
}

.param-row {
    margin-bottom: 15px;
}

.param-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 5px;
}

.param-value {
    color: var(--accent-magenta);
    text-shadow: var(--glow-magenta);
    font-family: var(--font-main);
}

input[type="range"] {
    width: 100%;
    height: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--accent-cyan);
    border-radius: 4px;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-cyan);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--glow-cyan);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-cyan);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: var(--glow-cyan);
}

input[type="range"]:focus {
    border-color: var(--accent-magenta);
    box-shadow: var(--glow-magenta);
}

.snake-status {
    background: rgba(45, 27, 78, 0.5);
    border: 1px solid var(--accent-purple);
    padding: 15px;
    text-align: center;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.reward-plot-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.plot-toggle {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    justify-content: center;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-main);
}

.radio-label input[type="radio"] {
    cursor: pointer;
    accent-color: var(--accent-cyan);
    width: 18px;
    height: 18px;
}

.radio-label input[type="radio"]:checked + span {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

#rewardPlot {
    border: 2px solid var(--accent-purple);
    background: var(--bg-primary);
    box-shadow: var(--glow-magenta);
}

@media (max-width: 768px) {
    .snake-container {
        grid-template-columns: 1fr;
    }
    
    .snake-info {
        max-width: 100%;
    }
    
    .snake-main {
        width: 100%;
    }
    
    #snakeCanvas {
        width: 100%;
        height: auto;
    }
    
    #rewardPlot {
        width: 100%;
        height: 120px;
    }
    
    .snake-params {
        padding: 15px;
    }
    
    .params-title {
        font-size: 1rem;
    }
    
    .param-label {
        font-size: 0.9rem;
    }
}

/* ANIMATIONS */
[data-animate="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-animate="fade-up"].visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-block .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .hero-block h1 {
        font-size: 2.5rem;
        letter-spacing: 4px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    h2.section-title {
        font-size: 2rem;
    }
}