:root {
    --primary: #4A90E2;
    --primary-light: #A4C8E1;
    --primary-dark: #003D66;
    --accent: #FF7D47;
    --accent-light: #FFA07D;
    --accent-dark: #D45C2F;
    --text: #333333;
    --text-light: #555555;
    --background: #F4F4F4;
    --card-bg: #FFFFFF;
    --border: #E2E8F0;
    --success: #48BB78;
    --warning: #ED8936;
    --error: #F56565;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Base styles */
body {
    margin: 0;
    padding: 0;
    font-family: 'Manrope', sans-serif;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--background);
    max-width: 100%;
    overflow-x: hidden;
}

.svn-about-container {
    max-width: 100%;
    overflow-x: hidden;
    padding-top: 70px; /* Для фиксированного навбара */
}

/* Remove underlines from all links */
a {
    text-decoration: none;
    color: inherit;
}

/* Phone number link style */
a[href^="tel:"] {
    color: inherit;
}

/* Full-width sections */
.svn-hero,
.svn-components-container,
.svn-cta,
.svn-price-container,
.footer {
    width: 100%;
    position: relative;
    left: 0;
    right: 0;
    margin-left: 0;
    margin-right: 0;
}

/* Inner containers for full-width sections */
.svn-hero-content,
.svn-components,
.cta-content,
.svn-price-factors,
.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Section styles */
.svn-section {
    padding: 80px 0;
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
    width: 100%;
}

.svn-section.dark {
    background-color: var(--primary-dark);
    color: white;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 100%;
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 40px;
}

.section-subtitle {
    display: inline-block;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent);
    border-radius: 3px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin: 0 0 25px;
    color: var(--primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.svn-section.dark .section-title {
    color: white;
}

.section-description {
    color: var(--text-light);
    font-size: 1.2rem;
    line-height: 1.8;
    margin: 0 auto;
    max-width: 800px;
}

.svn-section.dark .section-description {
    color: rgba(255, 255, 255, 0.9);
}

/* Hero section */
.svn-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 95%);
}

.svn-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: radial-gradient(circle at 75% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    z-index: 0;
    animation: float 15s infinite alternate ease-in-out;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-20px) rotate(2deg); }
}

.svn-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 25px;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.svn-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 40px;
    line-height: 1.7;
}

.svn-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.svn-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 35px;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition);
    text-align: center;
    border: none;
    cursor: pointer;
}

.svn-button.primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.35);
}

.svn-button.primary:hover {
    background-color: var(--accent-light);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.45);
}

/* Grid with applications */
.svn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.svn-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.svn-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
    transition: var(--transition);
}

.svn-card:hover .svn-icon {
    transform: scale(1.1);
    color: var(--primary);
}

.svn-card h3 {
    font-size: 1.4rem;
    margin: 0 0 15px;
    color: var(--primary);
}

.svn-card p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* Components section */
.svn-components-container {
    background-color: var(--primary-dark);
    padding: 80px 0;
    margin: 40px 0;
}

/* Секция преимуществ: всегда в один ряд, одинаковый размер карточек */
.svn-section.dark .svn-components {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    justify-items: stretch;
    align-items: stretch;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
    overflow-x: visible;
}

.svn-section.dark .component-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    min-height: 220px;
    box-sizing: border-box;
}

.svn-section.dark .component-card:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    border-color: var(--accent);
}

.svn-section.dark .component-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--accent);
    font-size: 1.8rem;
    transition: var(--transition);
}

.svn-section.dark .component-card:hover .component-icon {
    background-color: var(--accent);
    color: white;
    transform: rotate(10deg);
}

.svn-section.dark .component-card h3 {
    font-size: 1.2rem;
    margin: 0 0 15px;
    color: white;
}

.svn-section.dark .component-card p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Обычные .svn-components (например, в секции "Почему выбирают") */
.svn-section:not(.dark) .svn-components {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px 0;
    max-width: 100%;
    overflow-x: visible;
}

.svn-section:not(.dark) .component-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 220px;
    min-height: 220px;
    box-sizing: border-box;
}

.svn-section:not(.dark) .component-card:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    border-color: var(--accent);
}

.svn-section:not(.dark) .component-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--accent);
    font-size: 1.8rem;
    transition: var(--transition);
}

.svn-section:not(.dark) .component-card:hover .component-icon {
    background-color: var(--accent);
    color: white;
    transform: rotate(10deg);
}

.svn-section:not(.dark) .component-card h3 {
    font-size: 1.2rem;
    margin: 0 0 15px;
    color: white;
}

.svn-section:not(.dark) .component-card p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Systems comparison */
.svn-systems {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.system-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.system-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.system-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.system-header i {
    font-size: 1.8rem;
    color: var(--accent);
}

.system-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.system-content {
    padding: 30px;
}

.system-content p {
    color: var(--text-light);
    margin: 0 0 20px;
    line-height: 1.7;
}

.system-content ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.system-content li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.system-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 10px;
    height: 10px;
    background-color: var(--accent);
    border-radius: 50%;
}

/* CTA section */
.svn-cta {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    box-sizing: border-box;
    padding: 80px 0;
    text-align: center;
    margin: 60px 0;
    position: relative;
    overflow: hidden;
    clip-path: polygon(0 10%, 100% 0, 100% 90%, 0 100%);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin: 0 0 20px;
    line-height: 1.3;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    line-height: 1.8;
    margin: 0 0 30px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 35px;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background-color: var(--primary-dark);
    color: white;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.cta-button.secondary {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-button.secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Advantages */
.svn-advantages {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* По умолчанию 3 колонки */
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.advantage-item {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    min-height: 180px;
    box-sizing: border-box;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}


.advantage-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 10px;
    transition: var(--transition);
}

.advantage-item:hover .advantage-number {
    transform: scale(1.1);
}

.advantage-text {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Price factors */
.svn-price-container {
    background-color: var(--primary-dark);
    padding: 80px 0;
    margin: 60px 0;
}

.svn-price-factors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto 40px;
}

.factor-item {
    text-align: center;
    padding: 30px 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.factor-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

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

.factor-item:hover i {
    transform: scale(1.2);
}

.factor-item p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
}

.svn-price-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.svn-price-cta p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

/* Service section - tiles layout */
.service-tiles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.service-tile {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.service-tile:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.service-tile-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-tile:hover .service-tile-icon {
    transform: scale(1.1);
    color: var(--primary);
}

.service-tile h3 {
    font-size: 1.4rem;
    margin: 0 0 15px;
    color: var(--primary);
}

.service-tile p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: #2D3748;
    color: white;
    padding: 20px 0;
    position: relative;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-about {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-logo span {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.footer-about-text {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0 0 15px;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background-color: var(--accent);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(255, 107, 53, 0.3);
}

.footer-links h3 {
    font-size: 1.1rem;
    color: white;
    margin: 0 0 15px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 2px;
    background-color: var(--accent);
    border-radius: 2px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: inline-block;
    padding: 3px 0;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-contacts .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contacts .contact-item i {
    color: var(--accent);
    font-size: 1.1rem;
    margin-top: 3px;
}

.footer-contacts .contact-item a:hover {
    color: white;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: white;
    text-decoration: underline;
}

/* Стили для блока лицензий */
.licenses-list {
    margin-top: 10px;
}

.licenses-list a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    margin-bottom: 5px;
}

.licenses-list a:hover {
    color: white;
    text-decoration: underline;
}

.licenses-links {
    display: flex;
    flex-direction: column;
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.7);
    gap: 5px;
}

.licenses-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.licenses-links a:hover {
    color: #4a90e2;
    text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    padding: 40px;
    position: relative;
    box-shadow: var(--shadow-xl);
    transform: translateY(30px);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.modal-close:hover {
    background-color: var(--accent);
    color: white;
}

.modal-title {
    font-size: 1.8rem;
    color: var(--primary);
    margin: 0 0 25px;
    text-align: center;
}

.request-modal .modal-content {
    max-width: 500px;
    padding: 40px;
    border-radius: 12px;
    background: white;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
}

.request-modal .modal-title {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--primary);
}

.request-modal .modal-subtitle {
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

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

.request-modal .field-hint {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 5px;
    font-style: italic;
    opacity: 0.8;
}

.request-modal label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
    font-size: 0.9rem;
}

.request-modal input,
.request-modal textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.request-modal input:focus,
.request-modal textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

.request-modal textarea {
    min-height: 100px;
    resize: vertical;
}

.request-modal .submit-btn {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 14px 25px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    margin: 10px 0;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.request-modal .submit-btn:hover {
    background-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.request-modal .form-note {
    font-size: 0.8rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 10px;
}

/* Success message styles */
.request-modal .submit-success {
    display: none;
    text-align: center;
    padding: 20px 0;
}

.request-modal .submit-success .success-icon {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 15px;
    animation: bounceIn 0.6s ease;
}

.request-modal .submit-success h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.request-modal .submit-success p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.request-modal .submit-success .close-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
}

.request-modal .submit-success .close-btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

/* Loading state */
.request-modal .submit-btn.sending {
    position: relative;
    pointer-events: none;
    padding-right: 50px;
}

.request-modal .submit-btn.sending:after {
    content: "";
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

/* Navigation styles */
.svn-navbar {
    background: linear-gradient(135deg, rgba(0, 61, 102, 0.9), rgba(0, 61, 102, 0.98));
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.svn-navbar.scrolled {
    background: linear-gradient(135deg, rgba(0, 61, 102, 1), rgba(0, 61, 102, 1));
    padding: 10px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease;
}

.navbar-logo:hover {
    transform: scale(1.1);
}

.navbar-logo i {
    font-size: 2rem;
    color: var(--accent);
}

.navbar-logo span {
    font-weight: 700;
    color: white;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
}

.navbar-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.navbar-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.navbar-links a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: all 0.3s ease;
}

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

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: all 0.3s ease;
}

.navbar-links a:hover::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    gap: 15px;
}

.navbar-button {
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
}

.navbar-button.primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.navbar-button.primary:hover {
    background-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.navbar-button.secondary {
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    background: transparent;
}

.navbar-button.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
/* Стили для чекбокса и его контейнера */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

/* Стили для label чекбокса */
.form-group label[for="privacy-policy"] {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    user-select: none;
    transition: color 0.2s ease;
}

/* Стили для кастомного чекбокса */
.form-group input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Кастомный чекбокс */
.form-group label[for="privacy-policy"]::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-right: 10px;
    border: 2px solid #ddd;
    border-radius: 4px;
    background-color: white;
    transition: all 0.2s ease;
}

/* Состояние при наведении */
.form-group:hover label[for="privacy-policy"]::before {
    border-color: var(--primary-light);
}

/* Состояние когда чекбокс отмечен */
.form-group input[type="checkbox"]:checked + label[for="privacy-policy"]::before {
    background-color: var(--accent);
    border-color: var(--accent);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

/* Стили для текста ссылки */
.form-group label[for="privacy-policy"] a {
    color: var(--primary);
    text-decoration: underline;
    transition: color 0.2s ease;
    margin-left: 4px;
}

.form-group label[for="privacy-policy"] a:hover {
    color: var(--accent);
}

/* Сообщение об ошибке */
.error-message {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: 5px;
    display: none;
}

.form-group.error label[for="privacy-policy"] {
    color: var(--error);
}

.form-group.error label[for="privacy-policy"]::before {
    border-color: var(--error);
}

/* Анимация при ошибке */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

.form-group.error {
    animation: shake 0.4s ease-in-out;
}
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    padding: 5px;
}

.mobile-menu-button:hover {
    transform: rotate(90deg);
}

/* Responsive styles */
@media (max-width: 1200px) {
    .section-title {
        font-size: 2.5rem;
    }

    .service-tiles {
        grid-template-columns: repeat(2, 1fr);
    }

    .svn-section.dark .svn-components {
        grid-template-columns: repeat(3, 1fr);
    }

    .navbar-links {
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .svn-section {
        padding: 60px 0;
    }

    .svn-hero {
        padding: 100px 0;
    }

    .svn-title {
        font-size: 2.8rem;
    }

    .svn-systems {
        grid-template-columns: 1fr;
    }

    .svn-section.dark .svn-components {
        grid-template-columns: repeat(2, 1fr);
    }

    .navbar-menu {
        gap: 20px;
    }
.svn-advantages {
        grid-template-columns: repeat(2, 1fr);
    }

    .navbar-links {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .svn-section {
        padding: 50px 0;
    }
     .svn-button,
    .cta-button,
    .navbar-button {
        padding: 14px 20px; /* Уменьшаем отступы */
        font-size: 0.95rem; /* Немного уменьшаем размер шрифта */
        min-width: auto; /* Убираем минимальную ширину */
        width: 100%; /* Занимаем всю доступную ширину */
        box-sizing: border-box; /* Учитываем padding в ширине */
    }
 .svn-button.primary {
        padding: 14px 25px;
    }

    /* Кнопки в CTA секции */
    .cta-actions {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }
    .cta-button {
        width: 100%;
        padding: 14px 20px;
    }

    /* Кнопка телефона в навигации */
    .navbar-button.primary {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    /* Иконки в кнопках */
    .svn-button i,
    .cta-button i,
    .navbar-button i {
        font-size: 0.9em; /* Немного уменьшаем иконки */
    }

    .svn-hero {
        padding: 80px 0;
        clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
    }

    .svn-title {
        font-size: 2.3rem;
    }

    .svn-subtitle {
        font-size: 1.15rem;
    }

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

    .section-description {
        font-size: 1.1rem;
    }

    .svn-grid {
        grid-template-columns: 1fr;
    }

    .svn-cta {
        padding: 60px 0;
        clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .service-tiles {
        grid-template-columns: 1fr;
    }

    .footer-container,
    .svn-hero-content,
    .svn-components,
    .cta-content,
    .svn-price-factors {
        padding: 0 20px;
    }

    .svn-section.dark .svn-components {
        grid-template-columns: 1fr;
    }

    /* Mobile navigation */
    .navbar-menu {
        display: none;
        flex-direction: column;
        background-color: rgba(0, 61, 102, 0.95);
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        border-radius: 0 0 10px 10px;
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-links {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
        width: 100%;
    }

    .navbar-actions {
        flex-direction: column;
        width: 100%;
        margin-top: 15px;
    }

    .navbar-button {
        width: 100%;
        justify-content: center;
    }

    .mobile-menu-button {
        display: block;
    }

    /* Footer adjustments */
    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-about {
        max-width: 100%;
    }
    .advantage-item {
        padding: 25px 20px;
        min-height: 160px;
    }
}

@media (max-width: 576px) {
    .svn-section {
        padding: 40px 0;
    }

    .svn-hero {
        padding: 60px 0;
    }

    .svn-title {
        font-size: 2rem;
    }

    .svn-subtitle {
        font-size: 1.05rem;
    }

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

    .section-subtitle {
        font-size: 0.85rem;
    }

    .svn-actions, .cta-actions {
        flex-direction: column;
        gap: 15px;
    }

    .svn-button, .cta-button {
        width: 100%;
        justify-content: center;
    }

    .svn-price-factors {
        grid-template-columns: 1fr;
    }

    .svn-section.dark .svn-components {
        grid-template-columns: 1fr;
    }

    .section-header {
        padding: 0 20px;
    }

    /* Modal adjustments */
    .modal-content {
        padding: 30px 20px;
        margin: 0 15px;
    }

    .request-modal .modal-content {
        padding: 30px 20px;
    }

    /* Footer bottom adjustments */
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-legal {
        flex-direction: column;
        gap: 10px;
        margin-top: 10px;
    }
}

@media (max-width: 400px) {
    .svn-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .svn-button, .cta-button {
        padding: 15px 25px;
    }

    .navbar-logo span {
        font-size: 1.2rem;
    }

    .navbar-logo i {
        font-size: 1.5rem;
    }

    .footer-links h3 {
        font-size: 1rem;
    }

    .footer-links li {
        margin-bottom: 8px;
    }

    .footer-contacts .contact-item {
        margin-bottom: 10px;
    }
}