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

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="white" opacity="0.3"/></svg>') repeat;
    background-size: 200px 200px;
    animation: stars 20s linear infinite;
    z-index: -2;
}

.twinkling {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.8"/></svg>') repeat;
    background-size: 100px 100px;
    animation: twinkling 10s linear infinite;
    z-index: -1;
}

@keyframes stars {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

@keyframes twinkling {
    0% { opacity: 0.3; }
    50% { opacity: 1; }
    100% { opacity: 0.3; }
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-text {
    color: #ffffff;
}

.logo-dot {
    color: #00d4ff;
    margin: 0 2px;
}

.logo-ru {
    color: #ff6b6b;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #00d4ff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #ff6b6b);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8)); }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #cccccc;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    font-weight: 500;
}

.feature i {
    color: #00d4ff;
    font-size: 1.2rem;
}

.code-window {
    background: #1a1a1a;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.window-header {
    background: #2a2a2a;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.window-buttons {
    display: flex;
    gap: 8px;
}

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

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

.window-title {
    color: #cccccc;
    font-size: 0.9rem;
    font-family: 'Monaco', 'Menlo', monospace;
}

.window-content {
    padding: 20px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-line {
    margin-bottom: 5px;
}

.code-line.indent {
    margin-left: 20px;
}

.keyword {
    color: #ff6b6b;
}

.variable {
    color: #00d4ff;
}

.property {
    color: #feca57;
}

.string {
    color: #48dbfb;
}

section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(135deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: #cccccc;
    margin-bottom: 20px;
    line-height: 1.8;
}

.skills {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.skill {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.skill:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    border-color: #00d4ff;
}

.skill-icon {
    font-size: 2.5rem;
    color: #00d4ff;
}

.skill span {
    font-weight: 600;
    color: #ffffff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.contact-info p {
    color: #cccccc;
    margin-bottom: 30px;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-link:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: #00d4ff;
    transform: translateY(-2px);
}

.contact-link.telegram i {
    color: #0088cc;
    font-size: 1.2rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #00d4ff;
    background: rgba(255, 255, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #888888;
}

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

.form-btn {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, #00d4ff, #ff6b6b);
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

.footer {
    background: rgba(10, 10, 10, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #ffffff;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    color: #cccccc;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-link {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888888;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        gap: 0;
        z-index: 1001;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .nav-links.active {
        display: flex;
    }
    .nav-link {
        padding: 20px 0;
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .skills {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
}