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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --success-color: #10b981;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    backdrop-filter: blur(10px);
}

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

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
    background: url('/nsk-sib.jpg') no-repeat center center;
    background-size: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7); /* Затемнение фото на 70% */
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-content {
    max-width: 650px;
    animation: fadeInUp 1s ease;
    position: relative;
    z-index: 1;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3), 0 4px 20px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.domain-highlight {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.2);
    padding: 0 8px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 1.2em;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.price-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 2rem;
    font-weight: 700;
    margin: 20px 0;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
    animation: pulse 2s infinite;
    text-shadow: none;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 30px rgba(37, 99, 235, 0.4);
    }
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.btn-telegram {
    background: linear-gradient(135deg, #0088cc, #2ca5e0);
    color: white;
    box-shadow: 0 5px 15px rgba(0, 136, 204, 0.4);
}

.btn-telegram:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 136, 204, 0.5);
}

.btn-phone {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
}

.btn-phone:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.5);
}

/* Benefits Section */
.benefits {
    background: white;
    padding: 80px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.benefit-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.benefit-card p {
    color: var(--gray-color);
}

/* Why This Domain Section */
.why-domain {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
}

.why-domain .section-title h2 {
    color: white;
}

.why-domain .section-title p {
    color: rgba(255, 255, 255, 0.8);
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin-top: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    font-size: 1.8rem;
    color: var(--primary-color);
    min-width: 40px;
}

.contact-details h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    padding: 40px 0 20px;
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
}

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

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 25px 0;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 20px;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .price-tag {
        font-size: 1.5rem;
        padding: 12px 25px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        padding: 12px;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
    
    /* Отступ для хедера в мобильной версии */
    header {
        top: 10px;
        padding: 10px 0;
    }
    
    .hero {
        padding-top: 180px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
        padding: 15px;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    nav {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }

    .nav-links .btn {
        width: 100%;
    }
    
    /* Увеличенный отступ для хедера на маленьких экранах */
    header {
        top: 5px;
        padding: 8px 0;
    }
    
    .hero {
        padding-top: 160px;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s ease;
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(37, 99, 235, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Telegram button in contact section - same as btn-primary */
.contact-telegram-btn {
    display: inline-block;
    width: 100%;
    padding: 15px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
    margin-top: 10px;
}

.contact-telegram-btn i {
    margin-right: 8px;
}

.contact-telegram-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.5);
}

.contact-telegram-btn:active {
    transform: translateY(1px);
}