:root {
    --bg-primary: #0a0e14;
    --bg-secondary: #121920;
    --bg-card: #1a222d;
    --accent: #00d4aa;
    --accent-dim: #00a88a;
    --text-primary: #e6edf3;
    --text-secondary: #8b9cad;
    --text-muted: #5c6f82;
    --border: #2d3a4a;
    --gradient-start: #00d4aa;
    --gradient-end: #00a0ff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    background: rgba(10, 14, 20, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: padding 0.3s ease;
}

.nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.logo-accent {
    color: var(--accent);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 212, 170, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 212, 170, 0.12);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 212, 170, 0.3);
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 560px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 170, 0.35);
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
}

.grid-pattern {
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 170, 0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 170, 0.15) 1px, transparent 1px);
    background-size: 40px 40px;
    border-radius: 16px;
    opacity: 0.6;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section:nth-child(even) {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 700px;
}

/* About */
.about-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.about-content .lead {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.2s;
}

.service-card:hover {
    border-color: rgba(0, 212, 170, 0.4);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* Advantages */
.advantages-content > p {
    margin-bottom: 32px;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.advantage-list {
    display: grid;
    gap: 24px;
    margin-bottom: 32px;
}

.advantage-item {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.advantage-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent);
}

.advantage-item p {
    color: var(--text-secondary);
    font-size: 0.98rem;
}

/* CTA Section */
.cta-section {
    text-align: center;
}

.cta-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Contacts Window */
.contacts-window {
    background: linear-gradient(145deg, var(--bg-card) 0%, #15202b 100%);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.contacts-content {
    max-width: 560px;
}

.contacts-intro {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
}

.contact-item:hover {
    border-color: var(--accent);
    background: rgba(0, 212, 170, 0.06);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    min-width: 80px;
}

.contact-value {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--accent);
}

.contacts-note {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 32px 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.footer-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .contacts-window {
        padding: 32px 24px;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }
}