:root {
    --primary-color: #0066cc;
    --primary-dark: #004d99;
    --primary-light: #3399ff;
    --secondary-color: #00a86b;
    --accent-color: #ff6b35;
    --text-color: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 20px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-list {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

.nav-toggle,
.nav-close {
    display: none;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-bg-item.active {
    opacity: 1;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(51, 153, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 168, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.03) 0%, transparent 30%);
}

.hero-bg-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-bg-pattern::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.9), transparent);
}

.hero-bg-dots {
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.hero-dot.active {
    background: var(--primary-light);
    transform: scale(1.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--primary-light);
    margin-bottom: 15px;
}

.hero-description {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

.scroll-icon {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    margin: 10px auto 0;
    position: relative;
}

.scroll-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scrollDown 1.5s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        top: 8px;
    }
    100% {
        opacity: 0;
        top: 20px;
    }
}

.about {
    background: var(--bg-light);
}

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

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 20px;
}

.about-text strong {
    color: var(--primary-color);
}

.about-intro {
    font-size: 1.2rem;
    color: var(--text-color);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.stat-item {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.stat-content h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 5px;
}

.stat-content p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.services {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 40px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.service-feature {
    margin-bottom: 25px;
}

.service-feature:last-child {
    margin-bottom: 0;
}

.service-feature h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.service-feature p {
    color: var(--text-light);
    line-height: 1.7;
}

.service-list {
    list-style: none;
    margin-top: 15px;
}

.service-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.service-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.service-note {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-style: italic;
    margin-top: 10px;
}

.advantages {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
}

.advantages .section-title {
    color: white;
}

.advantages .section-title::after {
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-color));
}

.advantages .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--primary-light);
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-light);
    opacity: 0.5;
    margin-bottom: 15px;
}

.advantage-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: white;
}

.advantage-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

.products {
    background: var(--bg-light);
}

.products .section-title {
    color: var(--text-color);
}

.products .section-subtitle {
    color: var(--text-light);
}

.products-slider-wrapper {
    position: relative;
    padding: 0 50px;
}

.products-slider-container {
    overflow: hidden;
    margin: 0 -10px;
}

.products-slider {
    display: flex;
    gap: 20px;
    transition: transform 0.5s ease;
    padding: 10px;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    flex: 0 0 280px;
    min-width: 280px;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--primary-color);
    color: white;
}

.slider-prev {
    left: 0;
}

.slider-next {
    right: 0;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.slider-dot:hover {
    background: var(--primary-light);
}

.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-placeholder {
    font-size: 4rem;
    opacity: 0.5;
}

.product-content {
    padding: 20px;
}

.product-name {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-btn {
    width: 100%;
}

.no-products {
    text-align: center;
    color: var(--text-light);
    padding: 40px;
    grid-column: 1 / -1;
}

.product-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-modal-content {
    background: white;
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.product-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    z-index: 1;
    transition: color 0.3s ease;
}

.product-modal-close:hover {
    color: var(--text-color);
}

.product-modal-body {
    padding: 30px;
}

.product-detail-header {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.product-detail-image {
    width: 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.product-detail-info {
    flex: 1;
    min-width: 200px;
}

.product-detail-info h2 {
    color: var(--text-color);
    margin-bottom: 10px;
}

.product-detail-desc {
    color: var(--text-light);
    line-height: 1.6;
}

.product-detail-content {
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.product-detail-section {
    margin-bottom: 25px;
}

.product-detail-section h3 {
    color: var(--text-color);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.product-detail-section p {
    color: var(--text-light);
    line-height: 1.8;
}

.product-features {
    list-style: none;
    padding: 0;
}

.product-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.cooperation {
    background: var(--bg-light);
}

.cooperation-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.cooperation-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.cooperation-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.cooperation-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.cooperation-item h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.cooperation-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.vision {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 60px 0;
}

.vision-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.vision-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.vision-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.95;
}

.vision-content strong {
    color: #ffd700;
}

.invite {
    background: white;
}

.invite-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto 40px;
}

.invite-item {
    background: var(--bg-light);
    padding: 20px 25px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

.invite-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.invite-action {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
}

.contact {
    background: var(--bg-light);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.contact-detail p {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
}

.contact-detail a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-detail a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--text-color);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    background: var(--bg-light);
}

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

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

.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand .logo-icon {
    font-size: 2rem;
}

.footer-brand .logo-text {
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

@media screen and (max-width: 1024px) {
    .section {
        padding: 60px 0;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        padding: 80px 30px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

    .nav-menu.show {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 25px;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
    }

    .nav-toggle span {
        width: 25px;
        height: 3px;
        background: var(--text-color);
        border-radius: 2px;
        transition: var(--transition);
    }

    .nav-close {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
        font-size: 2rem;
        cursor: pointer;
        color: var(--text-color);
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

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

    .invite-list {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section {
        padding: 50px 0;
    }

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

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

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .service-card {
        padding: 25px;
    }

    .contact-form-wrapper {
        padding: 25px;
    }
}