/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    padding-top: 80px; /* Add padding to account for fixed header */
}

/* Accessibility */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #2563eb;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
}

.skip-link:focus {
    top: 6px;
}

/* Focus styles */
*:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Remove focus outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: white;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-whatsapp {
    background: #25d366;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
}

.btn-telegram {
    background: #0088cc;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-telegram:hover {
    background: #006699;
    transform: translateY(-2px);
}

.btn-viber {
    background: #7360f2;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-viber:hover {
    background: #5a4bc4;
    transform: translateY(-2px);
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-list a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-list a:hover,
.nav-list a.active {
    color: #2563eb;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

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

.header-contacts {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.phone {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: #2563eb;
    font-weight: 600;
}

.phone i {
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.phone a {
    color: inherit;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    height: 640px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
    overflow: hidden;
}



.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-position: center;
    background-size: cover;
    opacity: 1;
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    color: #60a5fa;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* Contact Info Section */
.contact-info-section {
    padding: 5rem 0;
    background: #f8fafc;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.contact-info-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.contact-info-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
    color: #64748b;
}

.contact-details a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

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

/* Social Section */
.social-section {
    padding: 5rem 0;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.social-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.social-card.whatsapp .social-icon {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.social-card.telegram .social-icon {
    background: linear-gradient(135deg, #0088cc, #006699);
}

.social-card.viber .social-icon {
    background: linear-gradient(135deg, #7360f2, #5a4bc4);
}

.social-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.social-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.social-card p {
    margin-bottom: 1.5rem;
    color: #64748b;
}

/* Contact Form Section */
.contact-form-section {
    padding: 5rem 0;
    background: #f8fafc;
}

.contact-form-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.form-info h2 {
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.form-info p {
    margin-bottom: 2rem;
    color: #64748b;
}

.form-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #1e293b;
}

.form-feature i {
    color: #10b981;
    font-size: 1.25rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #2563eb;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: #64748b;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Map Section */
.map-section {
    padding: 5rem 0;
}

.map-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.map-info h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.map-info p {
    margin-bottom: 1rem;
    color: #64748b;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background: #f8fafc;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f8fafc;
}

.faq-question h3 {
    margin: 0;
    color: #1e293b;
    font-size: 1.1rem;
}

.faq-question i {
    color: #2563eb;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    margin: 0;
    color: #64748b;
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #64748b;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #1e293b;
}

.feature-item i {
    color: #10b981;
    font-size: 1.25rem;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Types Section */
.types-section {
    padding: 5rem 0;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.type-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.type-image {
    height: 250px;
    overflow: hidden;
}

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

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

.type-content {
    padding: 2rem;
}

.type-content h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.type-features {
    list-style: none;
    margin: 1.5rem 0;
}

.type-features li {
    padding: 0.5rem 0;
    color: #64748b;
    position: relative;
    padding-left: 1.5rem;
}

.type-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.type-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
}

/* Fractions Section */
.fractions-section {
    padding: 5rem 0;
    background: #f8fafc;
}

.fractions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.fraction-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.fraction-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.fraction-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 1rem;
}

.fraction-card h4 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.fraction-card p {
    margin-bottom: 1.5rem;
    color: #64748b;
}

.fraction-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2563eb;
}

/* Applications Section */
.applications-section {
    padding: 5rem 0;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.application-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.application-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.application-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.application-card ul {
    list-style: none;
    text-align: left;
}

.application-card ul li {
    padding: 0.5rem 0;
    color: #64748b;
    position: relative;
    padding-left: 1.5rem;
}

.application-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* Delivery Section */
.delivery-section {
    padding: 2rem 0;
    background: #f8fafc;
}

.delivery-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.delivery-info h2 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.delivery-info p {
    margin-bottom: 1rem;
    color: #64748b;
}

.delivery-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.delivery-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.delivery-feature i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.delivery-feature h4 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.delivery-feature p {
    color: #64748b;
    margin: 0;
}

.delivery-calculator {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.delivery-calculator h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    text-align: center;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calculator-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calculator-form label {
    font-weight: 500;
    color: #1e293b;
}

.calculator-form input,
.calculator-form select {
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.calculator-form input:focus,
.calculator-form select:focus {
    outline: none;
    border-color: #2563eb;
}

.calculator-result {
    background: #f1f5f9;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin: 1rem 0;
}

.calculator-result span {
    display: block;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.calculator-result strong {
    font-size: 1.5rem;
    color: #2563eb;
}

/* Features Section */
.features {
    padding: 2rem 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
}

.feature-card {
    background: white;
    padding: 0.75rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #1e293b;
    margin-bottom: 1rem;
}

/* Catalog Section */
.catalog {
    padding: 2rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0.5rem;
}

.catalog-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.catalog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.card-image {
    height: 200px;
    overflow: hidden;
}

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

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

.card-content {
    padding: 0.75rem;
}

.card-content h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.card-content p {
    color: #1e293b;
    margin-bottom: 1rem;
}

.card-features {
    list-style: none;
    margin: 1rem 0;
}

.card-features li {
    padding: 0.5rem 0;
    color: #1e293b;
    position: relative;
    padding-left: 1.5rem;
}

.card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
}

.price {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2563eb;
}

/* Services Section */
.services {
    padding: 2rem 0;
    background: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0.5rem;
}

.service-card {
    background: white;
    padding: 0.75rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.service-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.service-card p {
    color: #1e293b;
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-methods {
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-method i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-method h4 {
    margin-bottom: 0.5rem;
}

.contact-method a {
    color: #60a5fa;
    text-decoration: none;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: #60a5fa;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #60a5fa;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #60a5fa;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1rem;
    text-align: center;
    color: #cbd5e1;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.floating-btn.whatsapp {
    background: #25d366;
}

.floating-btn.telegram {
    background: #0088cc;
}

.floating-btn.phone {
    background: #2563eb;
}

.floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-list {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .delivery-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .contact-form-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .map-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .floating-buttons {
        bottom: 1rem;
        right: 1rem;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .catalog-grid,
    .features-grid,
    .services-grid,
    .types-grid,
    .fractions-grid,
    .applications-grid,
    .contact-info-grid,
    .social-grid {
        grid-template-columns: 1fr;
    }
    
    .type-actions {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
}

/* Services Section */
.services-section {
    padding: 80px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #e2e8f0;
}

.service-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 40px;
    color: white;
}

.service-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1e293b;
}

.service-card p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 16px;
}

.service-details {
    background: #f8fafc;
    padding: 25px;
    border-radius: 15px;
    margin: 25px 0;
}

.service-details h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.service-details ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.service-details li {
    padding: 8px 0;
    color: #64748b;
    position: relative;
    padding-left: 20px;
}

.service-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

.service-details p {
    color: #64748b;
    margin: 10px 0;
    font-weight: 500;
}

/* Process Section */
.process-section {
    padding: 80px 0;
    background: #f8fafc;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    font-weight: 700;
    color: white;
    position: relative;
}

.process-step h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}

.process-step p {
    color: #64748b;
    line-height: 1.6;
}

/* Products Catalog Section */
.products-catalog-section {
    padding: 80px 0;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #2563eb;
}

.product-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-content {
    padding: 25px;
}

.product-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1e293b;
}

.product-content p {
    color: #64748b;
    margin-bottom: 15px;
    line-height: 1.6;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.product-features span {
    background: #f1f5f9;
    color: #475569;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.product-price .price {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
}

.product-price .btn {
    flex-shrink: 0;
    padding: 10px 20px;
    font-size: 14px;
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-price {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .product-price .btn {
        width: 100%;
    }
}

/* Services Page Specific Styles */
.services-section {
    padding: 80px 0;
    background: #f8fafc;
}

.services-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #1e293b;
    font-size: 2.5rem;
}

.services-section .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.services-section .service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.services-section .service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.services-section .service-card:hover::before {
    transform: scaleX(1);
}

.services-section .service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.services-section .service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: white;
    font-size: 1.8rem;
}

.services-section .service-card h3 {
    margin-bottom: 20px;
    color: #1e293b;
    font-size: 1.5rem;
}

.services-section .service-card p {
    color: #64748b;
    margin-bottom: 25px;
    line-height: 1.6;
}

.services-section .service-details {
    margin: 25px 0;
    padding: 20px;
    background: #f8fafc;
    border-radius: 8px;
}

.services-section .service-details h4 {
    color: #1e293b;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.services-section .service-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.services-section .service-details li {
    padding: 8px 0;
    color: #64748b;
    position: relative;
    padding-left: 20px;
}

.services-section .service-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

.services-section .service-details p {
    margin: 10px 0;
    color: #64748b;
    font-weight: 500;
}

/* Calculator Section */
.calculator-section {
    padding: 80px 0;
    background: white;
}

.calculator-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #1e293b;
}

.calculator {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: #f8fafc;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.calculator-form {
    display: grid;
    gap: 20px;
}

.calculator-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calculator-form label {
    font-weight: 500;
    color: #1e293b;
}

.calculator-form input,
.calculator-form select {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.calculator-form input:focus,
.calculator-form select:focus {
    outline: none;
    border-color: #2563eb;
}

.calculator-result {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.calculator-result h3 {
    color: #1e293b;
    margin-bottom: 20px;
}

.result-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
}

.calculator-result span {
    color: #64748b;
    font-size: 1.1rem;
}

.calculator-result strong {
    color: #2563eb;
    font-size: 2rem;
    font-weight: 700;
}

/* Process Section */
.process-section {
    padding: 80px 0;
    background: #f8fafc;
}

.process-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #1e293b;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.process-step {
    background: white;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.process-step h3 {
    margin-bottom: 15px;
    color: #1e293b;
    font-size: 1.3rem;
}

.process-step p {
    color: #64748b;
    line-height: 1.6;
}

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

.contact-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #1e293b;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    color: #1e293b;
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-item div {
    flex: 1;
}

.contact-item strong {
    display: block;
    color: #1e293b;
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-item a,
.contact-item span {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #2563eb;
}

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

.messenger-buttons .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 0.9rem;
}

.contact-form {
    background: #f8fafc;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.contact-form h3 {
    color: #1e293b;
    margin-bottom: 30px;
    text-align: center;
}

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

.contact-form label {
    display: block;
    margin-bottom: 8px;
    color: #1e293b;
    font-weight: 500;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

/* Floating Buttons for Services */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.floating-btn.whatsapp {
    background: #25d366;
}

.floating-btn.telegram {
    background: #0088cc;
}



.floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.floating-btn.whatsapp:hover {
    background: #128c7e;
}

.floating-btn.telegram:hover {
    background: #006699;
}



/* Hide any remaining back-to-top buttons */
.back-to-top,
.back-to-top-btn,
button[class*="back-to-top"],
button[class*="arrow-up"] {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}


/* Yandex Map Styles */
.yandex-map-container {
    background: #f8fafc;
    border-radius: 16px;
    padding: 30px;
    margin: 40px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.yandex-map-container h3 {
    color: #1e293b;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
}

.yandex-map-container p {
    color: #64748b;
    text-align: center;
    margin-bottom: 25px;
    line-height: 1.6;
}

.yandex-map-wrapper {
    position: relative;
    width: 100%;
    height: 480px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.yandex-map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}

/* Responsive styles for Yandex Map */
@media (max-width: 768px) {
    .yandex-map-container {
        padding: 20px;
        margin: 30px 0;
    }
    
    .yandex-map-container h3 {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .yandex-map-container p {
        margin-bottom: 20px;
        font-size: 0.95rem;
    }
    
    .yandex-map-wrapper {
        height: 350px;
    }
}

@media (max-width: 480px) {
    .yandex-map-container {
        padding: 15px;
        margin: 20px 0;
    }
    
    .yandex-map-container h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .yandex-map-container p {
        margin-bottom: 15px;
        font-size: 0.9rem;
    }
    
    .yandex-map-wrapper {
        height: 300px;
    }
}