:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --text-muted: #666666;
    --accent-color: #0055ff;
    --border-color: #eaeaea;
    --bg-light: #fafafa;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3 {
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
    z-index: 100;
    transition: var(--transition);
}

.header.scrolled {
    border-bottom-color: var(--border-color);
    padding: 0.5rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: height 0.3s ease;
}

.header.scrolled .header-inner {
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text-color);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--text-color);
    color: var(--bg-color);
    border: 1px solid var(--text-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

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

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 80px;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 540px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-svg {
    width: 100%;
    max-width: 500px;
    height: auto;
    animation: rotateSlow 60s linear infinite;
}

@keyframes rotateSlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Benefits Section */
.bg-light {
    background-color: var(--bg-light);
}

.benefits {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.benefits .section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.benefit-card {
    padding: 2rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.benefit-card:hover {
    border-color: var(--text-color);
    transform: translateY(-5px);
}

.benefit-icon {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Vacancies Section */
.vacancies {
    padding: 100px 0;
}

.vacancies-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 3rem;
}

.vacancy-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.vacancy-card:hover {
    border-color: var(--text-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.vacancy-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.vacancy-tags {
    display: flex;
    gap: 0.75rem;
}

.tag {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-light);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    border: 1px solid var(--border-color);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    background-color: var(--bg-light);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4rem;
}

.footer-desc {
    color: var(--text-muted);
    margin-top: 1rem;
    font-size: 0.95rem;
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}

.contact-item svg {
    flex-shrink: 0;
}

.contact-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.social-links a {
    color: var(--text-muted);
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--text-color);
}

.copyright {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .nav {
        display: none;
    }
    
    .vacancy-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }
    
    .footer-contacts {
        align-items: flex-start;
    }
}