/* ============================================
   КОМПОЗИТ-ПРО - Главные стили
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Colors */
    --color-primary: #0066CC;
    --color-primary-dark: #004C99;
    --color-primary-light: #3385D6;
    --color-secondary: #1A1A2E;
    --color-accent: #00A8E8;
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-danger: #DC3545;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F1F3F5;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6C757D;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    --color-black: #000000;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--spacing-md);
}

.text-balance {
    text-wrap: balance;
}

/* ============================================
   Layout & Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-wide {
    max-width: 1400px;
}

.container-narrow {
    max-width: 800px;
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: var(--spacing-4xl) 0;
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-end {
    justify-content: flex-end;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }

/* Grid */
.grid {
    display: grid;
}

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header.scrolled {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: var(--spacing-lg);
    width: 100%;
}

.nav > * {
    flex-shrink: 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 800;
    font-size: var(--text-lg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

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

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-phone {
    font-weight: 600;
    color: var(--color-gray-800);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-800);
    transition: all var(--transition-fast);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

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

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--text-base);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-xs);
}

.btn-icon {
    padding: var(--spacing-md);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(0, 102, 204, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    color: var(--color-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-success);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

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

.hero-description {
    font-size: var(--text-lg);
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-white);
}

.hero-stat-label {
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* ============================================
   Features / Services Section
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-100);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.feature-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.feature-description {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ============================================
   About / Company Section
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: auto;
}

.about-image-badge {
    position: absolute;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image-badge-value {
    font-size: var(--text-3xl);
    font-weight: 800;
}

.about-image-badge-label {
    font-size: var(--text-sm);
    opacity: 0.9;
}

.about-content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-list {
    margin: var(--spacing-xl) 0;
}

.about-list-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.about-list-icon {
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.about-list-icon svg {
    width: 14px;
    height: 14px;
    color: var(--color-white);
}

/* ============================================
   Products / Catalog Section
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-100);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.product-content {
    padding: var(--spacing-xl);
}

.product-category {
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.product-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.product-description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-100);
}

.product-price {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-gray-900);
}

.product-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.product-link:hover {
    color: var(--color-primary-dark);
}

/* Product Filters */
.product-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ============================================
   Portfolio / Projects Section
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.portfolio-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}

.portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    font-size: var(--text-xs);
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.portfolio-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.portfolio-description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Portfolio Detail Card */
.portfolio-detail-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.portfolio-detail-image {
    height: 300px;
    overflow: hidden;
}

.portfolio-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-detail-content {
    padding: var(--spacing-2xl);
}

.portfolio-detail-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-100);
}

.portfolio-stat {
    text-align: center;
}

.portfolio-stat-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-primary);
}

.portfolio-stat-label {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    text-transform: uppercase;
}

/* ============================================
   Calculator Section
   ============================================ */
.calculator-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.calculator-form {
    padding: var(--spacing-2xl);
}

.calculator-sidebar {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: var(--spacing-2xl);
    color: var(--color-white);
}

.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* Range Slider */
.range-wrapper {
    position: relative;
}

.range-input {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-gray-200);
    outline: none;
    -webkit-appearance: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.range-value {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* Calculator Result */
.calculator-result {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.calculator-result-label {
    font-size: var(--text-sm);
    opacity: 0.8;
    margin-bottom: var(--spacing-sm);
}

.calculator-result-value {
    font-size: var(--text-4xl);
    font-weight: 800;
}

.calculator-result-note {
    font-size: var(--text-xs);
    opacity: 0.7;
    margin-top: var(--spacing-sm);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
}

.testimonial-quote {
    font-size: var(--text-lg);
    color: var(--color-gray-700);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.2;
    position: absolute;
    top: -1rem;
    left: -0.5rem;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-primary);
}

.testimonial-name {
    font-weight: 700;
    color: var(--color-gray-900);
}

.testimonial-position {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-xl);
}

.stat-value {
    font-size: var(--text-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--text-base);
    opacity: 0.9;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: var(--color-white);
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.cta-description {
    font-size: var(--text-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    padding-right: var(--spacing-2xl);
}

.contact-info h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-lg);
}

.contact-info p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.contact-method-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-method-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.contact-method-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

.contact-method-value {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
}

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding-top: var(--spacing-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-lg);
    line-height: 1.7;
}

.footer-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.footer-social-link:hover {
    background-color: var(--color-primary);
}

.footer-social-link svg {
    width: 18px;
    height: 18px;
    color: var(--color-white);
}

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

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    padding: 160px 0 80px;
    text-align: center;
    color: var(--color-white);
}

.page-header-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.page-header-subtitle {
    font-size: var(--text-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    font-size: var(--text-sm);
}

.breadcrumb a {
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    opacity: 0.6;
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-gray { color: var(--color-gray-600); }
.text-white { color: var(--color-white); }

.bg-white { background-color: var(--color-white); }
.bg-gray { background-color: var(--color-gray-50); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

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

.slide-up {
    animation: slideUp 0.6s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid,
    .calculator-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav {
        height: 70px;
    }
    
    .header-inner {
        height: 70px;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-md);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu .nav-link {
        display: block;
        width: 100%;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .header-cta {
        display: none;
    }
    
    .nav-cta {
        margin-left: 0;
        width: 100%;
        justify-content: center;
        margin-top: var(--spacing-md);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-card {
        aspect-ratio: 16/9;
    }
    
    .portfolio-overlay {
        opacity: 1;
        background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.8) 100%);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: var(--spacing-2xl);
    }
    
    .products-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .footer,
    .btn,
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-overlay {
        background: none;
    }
    
    .hero-content {
        color: var(--color-gray-900);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
}

/* ============================================
   Дополнительные стили для всех страниц
   ============================================ */

/* Hero Section - дополнительные элементы */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-subtitle {
    font-size: var(--text-lg);
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-white);
    display: inline-block;
}

.stat-suffix {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-white);
    margin-left: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: var(--text-base);
    opacity: 0.9;
    margin-top: var(--spacing-sm);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-100);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.service-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.service-description {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.service-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--text-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.service-link:hover {
    color: var(--color-primary-dark);
}

/* Section Tag */
.section-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

/* About Preview Section */
.about-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-preview-content {
    padding-right: var(--spacing-xl);
}

.about-preview-text {
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.about-features {
    list-style: none;
    margin: var(--spacing-xl) 0;
}

.about-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-700);
}

.feature-check {
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-check svg {
    width: 14px;
    height: 14px;
    color: var(--color-white);
}

.about-preview-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.about-image-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-main img {
    width: 100%;
    height: auto;
}

.about-image-secondary {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-secondary img {
    width: 100%;
    height: auto;
}

/* Industries Section */
.section-dark {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.section-header-light .section-title {
    color: var(--color-white);
}

.section-header-light .section-description {
    color: rgba(255, 255, 255, 0.8);
}

.section-header-light .section-tag {
    color: var(--color-accent);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.industry-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.industry-card:hover {
    transform: translateY(-8px);
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
}

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

.industry-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.industry-content {
    padding: var(--spacing-xl);
}

.industry-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.industry-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* Portfolio Preview */
.portfolio-preview {
    padding: var(--spacing-4xl) 0;
}

.portfolio-actions {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* Page Header */
.page-header-content {
    text-align: center;
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.page-description {
    font-size: var(--text-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Catalog Filter */
.catalog-filter {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* Catalog Category */
.catalog-category {
    padding: var(--spacing-4xl) 0;
}

.section-gray {
    background-color: var(--color-gray-50);
}

.category-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.category-header-reverse {
    grid-template-columns: 1fr 1fr;
    direction: rtl;
}

.category-header-reverse > * {
    direction: ltr;
}

.category-info {
    padding: var(--spacing-xl);
}

.category-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.category-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.category-description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    line-height: 1.7;
}

.category-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.category-image img {
    width: 100%;
    height: auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.product-features {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.product-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* Materials Section */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.material-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
}

.material-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.material-list {
    list-style: none;
}

.material-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--color-gray-100);
}

.material-list li:last-child {
    border-bottom: none;
}

/* Calculator Section */
.calculator-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
}

.calculator-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.form-step-number {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-lg);
}

.form-step-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.radio-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.radio-card {
    position: relative;
    cursor: pointer;
}

.radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.radio-card:hover .radio-card-content {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.radio-card input[type="radio"]:checked + .radio-card-content {
    border-color: var(--color-primary);
    background-color: rgba(0, 102, 204, 0.05);
    box-shadow: var(--shadow-lg);
}

.radio-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.radio-card-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.radio-card-desc {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

.form-prev,
.form-next,
.form-submit {
    min-width: 120px;
}

.form-progress {
    height: 4px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-lg);
    overflow: hidden;
}

.form-progress-bar {
    height: 100%;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.calculator-result {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: sticky;
    top: 100px;
}

.result-card {
    margin-bottom: var(--spacing-xl);
}

.result-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.result-summary {
    margin-bottom: var(--spacing-xl);
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.result-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-gray-900);
}

.result-price {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    color: var(--color-white);
    text-align: center;
}

.result-price-label {
    display: block;
    font-size: var(--text-sm);
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.result-price-value {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.result-price-note {
    display: block;
    font-size: var(--text-xs);
    opacity: 0.8;
}

.info-card {
    background-color: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.info-card-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.info-list {
    list-style: none;
}

.info-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

.info-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    gap: var(--spacing-md);
}

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-gray-900);
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--color-gray-50);
}

.faq-icon {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    padding: 0 var(--spacing-lg);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin: 0;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-4xl) 0;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.cta-description {
    font-size: var(--text-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

/* Contacts Section */
.contacts {
    padding: var(--spacing-4xl) 0;
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.contact-form-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.contact-form-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-mark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-mark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-mark::after {
    content: '✓';
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 700;
}

.checkbox-text {
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    line-height: 1.6;
}

.checkbox-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    gap: var(--spacing-sm);
}

.file-upload-label:hover {
    border-color: var(--color-primary);
    background-color: var(--color-gray-50);
}

.file-upload-label svg {
    color: var(--color-gray-400);
}

.file-upload-hint {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.btn-full {
    width: 100%;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
}

.contact-card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-detail {
    display: flex;
    gap: var(--spacing-md);
}

.contact-detail-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-detail-label {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-detail-value {
    font-size: var(--text-base);
    color: var(--color-gray-900);
    font-weight: 500;
}

.contact-detail-link {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.contact-detail-link:hover {
    color: var(--color-primary-dark);
}

.departments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.department {
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.department-title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.department-phone,
.department-email {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.requisites {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.8;
}

.requisites p {
    margin-bottom: var(--spacing-xs);
}

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

.map-container {
    width: 100%;
    height: 500px;
    position: relative;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.map-overlay-info {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 10;
}

.map-overlay-info h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.map-overlay-info p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

/* Visit Section */
.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.visit-content {
    padding-right: var(--spacing-xl);
}

.visit-text {
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.visit-features {
    list-style: none;
    margin: var(--spacing-xl) 0;
}

.visit-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-700);
}

.visit-features li svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.visit-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.visit-image img {
    width: 100%;
    height: auto;
}

/* Portfolio Page */
.portfolio-filter {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.portfolio-page {
    padding: var(--spacing-4xl) 0;
}

.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}

.portfolio-item-large {
    grid-column: span 2;
    aspect-ratio: 16/9;
}

.portfolio-item-inner {
    width: 100%;
    height: 100%;
    position: relative;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-item-overlay {
    opacity: 1;
}

.portfolio-item-category {
    font-size: var(--text-xs);
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.portfolio-item-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.portfolio-item-description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.portfolio-item-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    align-self: flex-start;
}

.portfolio-item-btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--text-2xl);
    color: var(--color-gray-700);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-gray-200);
    transform: rotate(90deg);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.modal-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.modal-image img {
    width: 100%;
    height: auto;
}

.modal-info {
    padding: var(--spacing-2xl);
}

.modal-category {
    display: inline-block;
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.modal-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.modal-description {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.modal-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

.modal-detail {
    display: flex;
    justify-content: space-between;
}

.modal-detail-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    font-weight: 600;
}

.modal-detail-value {
    font-size: var(--text-sm);
    color: var(--color-gray-900);
    text-align: right;
}

/* Clients Section */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    align-items: center;
}

.client-logo {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

.client-logo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.client-name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-700);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
}

.testimonial-content {
    margin-bottom: var(--spacing-xl);
}

.testimonial-text {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.testimonial-text::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.2;
    position: absolute;
    top: -1rem;
    left: -0.5rem;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-author-info {
    display: flex;
    flex-direction: column;
}

.testimonial-author-name {
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.testimonial-author-position {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-800);
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-cta {
    display: inline-flex;
}

.logo-light {
    color: var(--color-white);
}

.logo-light .logo-icon {
    background: linear-gradient(135deg, var(--color-white), rgba(255, 255, 255, 0.8));
    color: var(--color-primary);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-top: var(--spacing-lg);
}

.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list li svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-contact-list li a:hover {
    color: var(--color-white);
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

/* About Story Section */
.about-story {
    padding: var(--spacing-4xl) 0;
}

.about-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-story-content {
    padding-right: var(--spacing-xl);
}

.about-story-text {
    color: var(--color-gray-600);
    line-height: 1.8;
}

.about-story-text p {
    margin-bottom: var(--spacing-lg);
}

.about-story-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-story-image img {
    width: 100%;
    height: auto;
}

/* Mission Section */
.mission {
    padding: var(--spacing-4xl) 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.mission-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    text-align: center;
}

.mission-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-white);
}

.mission-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.mission-text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Values Section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    position: relative;
    padding-left: calc(var(--spacing-2xl) + var(--spacing-lg));
}

.value-number {
    position: absolute;
    left: var(--spacing-2xl);
    top: var(--spacing-2xl);
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.2;
}

.value-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.value-text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Team Section */
.team {
    padding: var(--spacing-4xl) 0;
}

.team-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--spacing-3xl);
}

.team-image img {
    width: 100%;
    height: auto;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.team-stat {
    padding: var(--spacing-xl);
}

.team-stat-number {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.team-stat-label {
    display: block;
    font-size: var(--text-sm);
    opacity: 0.9;
}

/* Equipment Section */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.equipment-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

.equipment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.equipment-content {
    padding: var(--spacing-xl);
}

.equipment-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.equipment-text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.cert-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    text-align: center;
    transition: all var(--transition-base);
}

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

.cert-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-white);
    font-weight: 700;
    font-size: var(--text-lg);
}

.cert-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.cert-text {
    color: var(--color-gray-600);
    font-size: var(--text-sm);
}

/* Responsive для новых элементов */
@media (max-width: 1024px) {
    .about-preview-grid,
    .about-story-grid,
    .visit-grid,
    .contacts-grid,
    .calculator-grid,
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .category-header,
    .category-header-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .portfolio-item-large {
        grid-column: span 1;
    }
    
    .team-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mission-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        flex-wrap: wrap;
    }
    
    .mobile-menu-btn {
        display: flex;
        order: 3;
        margin-left: auto;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.active {
        max-height: calc(100vh - 70px);
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu .nav-link {
        display: block;
        width: 100%;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .nav-cta {
        order: 2;
        margin-left: auto;
        margin-right: var(--spacing-md);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-stats {
        grid-template-columns: 1fr;
    }
    
    .departments-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-masonry {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}