/* 
===================================
Base Styles
===================================
*/

:root {
    /* Color Palette */
    --color-primary: #2c3e50; /* Тёмно-синий */
    --color-secondary: #95a5a6; /* Серо-голубой */
    --color-light: #ecf0f1; /* Светло-серый */
    --color-accent: #3498db; /* Голубой */
    --color-highlight: #f39c12; /* Оранжевый */
    --color-dark: #333333;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Arial', sans-serif;
    --font-heading: 'Arial', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
    max-width: 100%;
    width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

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

ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    box-sizing: border-box;
    width: 100%;
}

/* Button Styles */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-cookie {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.5rem 1.2rem;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

/* 
===================================
Header
===================================
*/

.site-header {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo-header {
    width: 120px;
    height: auto;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin-left: var(--spacing-md);
}

.nav-menu a {
    font-weight: 600;
    position: relative;
}

.nav-menu a:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-medium);
}

.nav-menu a:hover:after {
    width: 100%;
}

.btn-nav {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.btn-nav:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

/* 
===================================
Cookie Consent
===================================
*/

.cookie-consent {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md);
    z-index: 999;
    transition: bottom var(--transition-medium);
}

.cookie-consent.show {
    bottom: 0;
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content p {
    flex: 1;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* 
===================================
Welcome Section
===================================
*/

.section-welcome {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    padding: calc(var(--spacing-xl) * 2) 0 var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 60px; /* Account for fixed header */
}

.section-welcome::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle, rgba(255, 235, 59, 0.1) 20%, transparent 70%);
    z-index: 1;
}

.section-welcome .container {
    position: relative;
    z-index: 2;
}

.section-welcome h1 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.section-welcome .slogan {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-welcome .logo-container {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.section-welcome .logo {
    width: 200px;
    height: 100px;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

/* 
===================================
About Section
===================================
*/

.section-about {
    background-color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.section-about h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-about p {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-lg);
}

.services-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-item {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background-color: var(--color-light);
    text-align: center;
    transition: transform var(--transition-medium);
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.service-item h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

/* 
===================================
Audit Types Section
===================================
*/

.section-audit-types {
    background-color: var(--color-light);
    padding: var(--spacing-xl) 0;
}

.section-audit-types h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.audit-types-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.audit-type {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-medium);
}

.audit-type:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.audit-type img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.audit-type h3 {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    color: var(--color-accent);
}

.audit-type p {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.audit-type .btn-secondary {
    margin: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    display: inline-block;
}

/* 
===================================
Benefits Section
===================================
*/

.section-benefits {
    background-color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.section-benefits h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

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

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background-color: var(--color-light);
    transition: transform var(--transition-medium);
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* 
===================================
Testimonials Section
===================================
*/

.section-testimonials {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.section-testimonials h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin: 0 auto;
    text-align: center;
    display: block;
}

.testimonial-content {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    font-weight: 600;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.control {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 var(--spacing-sm);
    cursor: pointer;
    position: relative;
    transition: background-color var(--transition-fast);
}

.control:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.control::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--color-white);
    border-right: 2px solid var(--color-white);
    position: absolute;
}

.prev::before {
    transform: rotate(-135deg);
    margin-left: 3px;
}

.next::before {
    transform: rotate(45deg);
    margin-right: 3px;
}

/* 
===================================
Order Form Section
===================================
*/

.section-order-form {
    background-color: var(--color-light);
    padding: var(--spacing-xl) 0;
}

.section-order-form h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.custom-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group select.custom-select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-light);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast);
    font-family: var(--font-primary);
    font-size: 1rem;
}

.form-group input[type="text"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="email"]:focus,
.form-group select.custom-select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 122, 116, 0.2);
}

.custom-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E7A74' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    cursor: pointer;
}

.custom-select:hover {
    border-color: var(--color-primary);
}

.audit-options p {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-right: var(--spacing-xs);
}

.legal-checkboxes label {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
    font-weight: normal;
}

.legal-checkboxes input[type="checkbox"] {
    margin-right: var(--spacing-xs);
    margin-top: 5px;
}

.custom-form .btn-primary {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* 
===================================
Contact Section
===================================
*/

.section-contact {
    background-color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.section-contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 0 var(--spacing-md) var(--spacing-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-sm);
}

/* 
===================================
Map Section
===================================
*/

.section-map {
    height: 400px;
    position: relative;
    overflow: hidden;
}

.map-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 
===================================
Footer
===================================
*/

.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    margin-bottom: var(--spacing-sm);
}

.footer-section.about .logo-container {
    margin-bottom: var(--spacing-sm);
}

.logo-footer {
    width: 120px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--color-secondary);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-section.contact ul li {
    display: flex;
    align-items: center;
}

.footer-icon {
    margin-right: var(--spacing-xs);
    display: flex;
    align-items: center;
    width: 24px;
    height: 24px;
}

.footer-icon svg {
    width: 18px;
    height: 18px;
}

/* Яркие цвета для иконок контактов в подвале */
.footer-section.contact .icon-location,
.footer-section.contact .icon-phone,
.footer-section.contact .icon-email {
    color: var(--color-highlight);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 
===================================
Legal Pages
===================================
*/

.section-legal {
    padding: calc(var(--spacing-xl) * 1.5) 0 var(--spacing-xl);
    margin-top: 60px; /* Account for fixed header */
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.legal-content h1 {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.legal-date {
    text-align: center;
    color: #777;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-light);
}

.legal-text h2 {
    color: var(--color-accent);
    font-size: 1.3rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

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

.legal-text ul, .legal-text ol {
    margin-bottom: var(--spacing-md);
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.cookie-table th, .cookie-table td {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-light);
    text-align: left;
}

.cookie-table th {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

/* 
===================================
Thank You Page
===================================
*/

.section-thank-you {
    padding: calc(var(--spacing-xl) * 2) 0;
    text-align: center;
    margin-top: 60px; /* Account for fixed header */
}

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

.thank-you-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
}

.thank-you-content h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.thank-you-content p {
    margin-bottom: var(--spacing-md);
}

.thank-you-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* 
===================================
Responsive Styles
===================================
*/

/* Tablet */
@media (max-width: 992px) {
    .services-overview,
    .audit-types-container,
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    body, html {
        overflow-x: hidden;
        width: 100%;
        position: relative;
    }
    
    .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
        width: 100%;
        box-sizing: border-box;
    }
    
    .section-welcome h1 {
        font-size: 2.2rem;
        word-break: break-word;
        hyphens: auto;
    }
    
    .section-welcome .slogan {
        font-size: 1rem;
    }
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.7rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path var(--transition-medium);
    }
    
    .nav-menu.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .nav-menu li {
        margin: var(--spacing-sm) 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .services-overview,
    .audit-types-container,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cookie-content p {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
    }
    
    .thank-you-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .section-welcome {
        padding-top: calc(var(--spacing-xl) + 50px);
    }
    
    .checkbox-group {
        flex-direction: column;
    }
}