/* Основные стили */
:root {
    --primary-color: #2a3c68;
    --secondary-color: #4a6fa5;
    --accent-color: #16e0bd;
    --dark-color: #0a192f;
    --light-color: #e6f1ff;
    --text-color: #333;
    --text-light: #f8f9fa;
    --circuit-color: rgba(22, 224, 189, 0.1);
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f5f5f5;
}

h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    color: var(--primary-color);
}

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

a:hover {
    color: var(--accent-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: var(--dark-color);
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: var(--text-light);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Шапка */
.tech-header {
    position: relative;
    background-color: var(--dark-color);
    color: var(--text-light);
    padding: 100px 0 150px;
    text-align: center;
    overflow: hidden;
}

.circuit-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect x="10" y="10" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="30" y="10" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="50" y="10" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="70" y="10" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="90" y="10" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="10" y="30" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="30" y="30" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="50" y="30" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="70" y="30" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="90" y="30" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="10" y="50" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="30" y="50" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="50" y="50" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="70" y="50" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="90" y="50" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="10" y="70" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="30" y="70" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="50" y="70" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="70" y="70" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="90" y="70" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="10" y="90" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="30" y="90" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="50" y="90" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="70" y="90" width="5" height="5" fill="%2316e0bd" opacity="0.5"/><rect x="90" y="90" width="5" height="5" fill="%2316e0bd" opacity="0.5"/></svg>');
    background-size: 100px 100px;
    opacity: 0.1;
}

.tech-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--accent-color);
    position: relative;
    z-index: 1;
}

.binary-animation {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    text-align: center;
    color: var(--accent-color);
    opacity: 0.5;
    font-family: monospace;
    font-size: 0.8rem;
    animation: binaryScroll 10s linear infinite;
}

@keyframes binaryScroll {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

/* Навигация */
nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: var(--text-light);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    padding: 5px 10px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

/* Основные секции */
section {
    padding: 80px 0;
}

.intro-section {
    background-color: white;
    margin-top: -80px;
    position: relative;
    z-index: 2;
    border-radius: 10px 10px 0 0;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.05);
}

.intro-section .container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.profile-photo {
    flex: 1;
    min-width: 300px;
    padding: 20px;
}

.profile-photo img {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 5px solid white;
}

.intro-text {
    flex: 2;
    min-width: 300px;
    padding: 20px;
}

.intro-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.intro-text p {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* Специализация */
.specialization-section {
    background-color: #f9f9f9;
    text-align: center;
}

.specialization-section h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.spec-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.spec-card {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.spec-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.physics-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%232a3c68"><path d="M12 2a10 10 0 0110 10 10 10 0 01-10 10A10 10 0 012 12 10 10 0 0112 2m0 2a8 8 0 00-8 8c0 2.05.78 4.1 2.34 5.66l1.42-1.42A6 6 0 0112 6a6 6 0 014.24 1.76l1.42-1.42A8 8 0 0012 4m0 4a4 4 0 00-4 4 4 4 0 004 4 4 4 0 004-4 4 4 0 00-4-4m0 2a2 2 0 012 2 2 2 0 01-2 2 2 2 0 01-2-2 2 2 0 012-2z"/></svg>');
}

.python-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%234a6fa5"><path d="M12 2a10 10 0 0110 10 10 10 0 01-10 10A10 10 0 012 12 10 10 0 0112 2m0 2a8 8 0 00-8 8c0 2.05.78 4.1 2.34 5.66l1.42-1.42A6 6 0 0112 6a6 6 0 014.24 1.76l1.42-1.42A8 8 0 0012 4m0 4a4 4 0 00-4 4 4 4 0 004 4 4 4 0 004-4 4 4 0 00-4-4m0 2a2 2 0 012 2 2 2 0 01-2 2 2 2 0 01-2-2 2 2 0 012-2z"/></svg>');
}

.microcontroller-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2316e0bd"><path d="M8 2h8a2 2 0 012 2v16a2 2 0 01-2 2H8a2 2 0 01-2-2V4a2 2 0 012-2m0 2v4h8V4H8m8 6H8v4h8v-4m-8 6v4h8v-4H8m1-5h2v2H9v-2m0-6h2v2H9V5z"/></svg>');
}

.spec-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.spec-card p {
    color: #666;
}

/* Проекты */
.featured-projects, .projects-section {
    background-color: white;
    text-align: center;
}

.featured-projects h2, .projects-section h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.project-image {
    height: 200px;
    background-color: #f0f0f0;
    background-size: cover;
    background-position: center;
}

.project-info {
    padding: 20px;
    text-align: left;
}

.project-info h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.project-info p {
    color: #666;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 15px;
}

.tag {
    display: inline-block;
    padding: 3px 8px;
    background-color: var(--accent-color);
    color: var(--dark-color);
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: bold;
}

.project-links {
    display: flex;
    gap: 10px;
}

.project-links a {
    flex: 1;
    text-align: center;
    padding: 8px 0;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-links a:hover {
    background-color: var(--accent-color);
    color: var(--dark-color);
}

/* Фильтр проектов */
.projects-filter {
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.filter-btn {
    padding: 8px 15px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--accent-color);
    color: var(--dark-color);
    border-color: var(--accent-color);
}

/* О себе */
.about-section {
    background-color: white;
    margin-top: -80px;
    position: relative;
    z-index: 2;
    border-radius: 10px 10px 0 0;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.05);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.about-photo {
    flex: 1;
    min-width: 300px;
}

.about-photo img {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 5px solid white;
}

.about-text {
    flex: 2;
    min-width: 300px;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.timeline {
    list-style: none;
    margin-bottom: 30px;
}

.timeline li {
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
}

.timeline li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    width: 15px;
    height: 15px;
    background-color: var(--accent-color);
    border-radius: 50%;
}

.year {
    display: block;
    font-weight: bold;
    color: var(--secondary-color);
}

.degree {
    display: block;
    font-weight: bold;
}

.specialization {
    display: block;
    color: #666;
    font-style: italic;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.skill-category {
    flex: 1;
    min-width: 200px;
}

.skill-category h4 {
    margin-bottom: 15px;
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.skill-category li:before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Подвал */
.tech-footer {
    background-color: var(--dark-color);
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    flex: 1;
    min-width: 250px;
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p, .footer-section ul {
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.footer-section ul li:before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .tech-header h1 {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .profile-photo, .intro-text, .about-photo, .about-text {
        flex: 100%;
    }
    
    .spec-card {
        min-width: 100%;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    }