/* 
Основные цвета:
- Основной: насыщенный лазурный #007FA6
- Акцент: солнечный коралл #FF6B3B
- Вторичный: мятно-серый #DAEFEA
- Текст: графитово-черный #1E1E1E
- Фон: ледяной белый #F6FCFF
*/

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

:root {
    --color-primary: #007FA6;
    --color-accent: #FF6B3B;
    --color-secondary: #DAEFEA;
    --color-text: #1E1E1E;
    --color-background: #F6FCFF;
    --color-white: #ffffff;
    --color-light-gray: #f1f1f1;
    --color-medium-gray: #ddd;
    --color-dark-gray: #555;
    --transition: all 0.3s ease;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 6px 16px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
}

html {
    font-size: 62.5%; /* 10px */
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 2rem;
    color: var(--color-text);
}

h1 {
    font-size: 4.2rem;
}

h2 {
    font-size: 3.2rem;
    margin-bottom: 3rem;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    width: 6rem;
    height: 0.4rem;
    background-color: var(--color-accent);
}

h3 {
    font-size: 2.4rem;
}

p {
    margin-bottom: 2rem;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
}

section {
    padding: 8rem 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.2rem 2.8rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1.6rem;
}

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

.btn-primary:hover {
    background-color: #006a8c;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: #e55c30;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

.btn-nav {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.8rem 1.6rem;
    font-size: 1.4rem;
}

.btn-cookie {
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: 0.8rem 1.6rem;
    font-size: 1.4rem;
    margin-left: 1rem;
}

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

/* Cookie Banner */
.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1.5rem 2rem;
    z-index: 1000;
    align-items: center;
    justify-content: space-between;
}

.cookie-banner.show {
    display: flex;
}

@media (max-width: 768px) {
    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-banner button {
        margin-top: 1rem;
        margin-left: 0;
    }
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
    padding: 1.5rem 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    text-transform: lowercase;
}

.logo:hover {
    color: var(--color-accent);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
}

.nav-menu a:not(.btn):after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav-menu a:not(.btn):hover {
    color: var(--color-accent);
}

.nav-menu a:not(.btn):hover:after {
    width: 100%;
}

.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    cursor: pointer;
    width: 3rem;
    height: 2rem;
    position: relative;
    z-index: 100;
}

.nav-icon,
.nav-icon::before,
.nav-icon::after {
    display: block;
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.nav-icon {
    top: 50%;
    transform: translateY(-50%);
}

.nav-icon::before {
    content: '';
    top: -8px;
}

.nav-icon::after {
    content: '';
    bottom: -8px;
}

/* Main Sections */

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, rgba(0, 127, 166, 0.8) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 18rem 0 12rem;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease;
}

.hero .subtitle {
    font-size: 2.2rem;
    margin-bottom: 3rem;
    max-width: 60rem;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero .btn {
    animation: fadeInUp 1s ease 0.6s both;
    font-size: 1.8rem;
    padding: 1.5rem 3.5rem;
}

/* About Section */
.about {
    background-color: var(--color-white);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    transition: var(--transition);
}

.about-image:hover {
    transform: translateY(-5px);
}

/* Advantages Section */
.advantages {
    background-color: var(--color-secondary);
    text-align: center;
}

.advantages h2 {
    text-align: center;
}

.advantages h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-top: 5rem;
}

.advantage-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.advantage-icon {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 2rem;
}

.advantage-icon i {
    background-color: var(--color-secondary);
    width: 9rem;
    height: 9rem;
    line-height: 9rem;
    border-radius: 50%;
    display: inline-block;
}

.advantage-item h3 {
    margin-bottom: 1.5rem;
}

.advantage-item p {
    color: var(--color-dark-gray);
    margin-bottom: 0;
}

/* Icon Font */
.icon-certificate::before {
    content: "🏆";
}

.icon-time::before {
    content: "⏱️";
}

.icon-solutions::before {
    content: "🔧";
}

.icon-security::before {
    content: "🔒";
}

/* Services Section */
.services {
    background-color: var(--color-white);
    text-align: center;
}

.services h2 {
    text-align: center;
}

.services h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 5rem;
}

.service-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-image {
    height: 22rem;
    overflow: hidden;
}

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

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

.service-card h3 {
    padding: 2rem 2rem 0;
    margin-bottom: 1.5rem;
}

.service-card p {
    padding: 0 2rem;
    color: var(--color-dark-gray);
    margin-bottom: 2.5rem;
}

.service-card .btn {
    margin-bottom: 2.5rem;
}

/* Contact Form Section */
.contact-form {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 8rem 0;
}

.contact-form h2 {
    color: var(--color-white);
    text-align: center;
}

.contact-form h2:after {
    background-color: var(--color-accent);
    left: 50%;
    transform: translateX(-50%);
}

.order-form {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-strong);
    padding: 4rem;
    max-width: 60rem;
    margin: 5rem auto 0;
}

.form-group {
    margin-bottom: 2.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--border-radius);
    font-size: 1.6rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 127, 166, 0.2);
    outline: none;
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
}

.form-group.checkbox input {
    width: auto;
    margin-right: 1rem;
    margin-top: 0.3rem;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: 400;
}

.required {
    color: var(--color-accent);
}

.order-form .btn {
    width: 100%;
    font-size: 1.8rem;
    padding: 1.5rem;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--color-background);
    text-align: center;
}

.testimonials h2 {
    text-align: center;
}

.testimonials h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.testimonials-slider {
    display: flex;
    gap: 3rem;
    margin-top: 5rem;
}

.testimonial-item {
    flex: 1;
}

.testimonial-content {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow);
    position: relative;
    text-align: left;
    transition: var(--transition);
}

.testimonial-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.testimonial-content p {
    font-style: italic;
    position: relative;
    margin-bottom: 2.5rem;
}

.testimonial-content p::before {
    content: '"';
    font-size: 5rem;
    position: absolute;
    top: -2rem;
    left: -1rem;
    color: var(--color-secondary);
    opacity: 0.5;
}

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

.testimonial-author h4 {
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.testimonial-author p {
    margin-bottom: 0;
    color: var(--color-dark-gray);
    font-style: normal;
}

/* Blog Section */
.blog {
    background-color: var(--color-white);
}

.blog h2 {
    text-align: center;
}

.blog h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 5rem;
}

.blog-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.blog-card h3 {
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
}

.blog-card p {
    color: var(--color-dark-gray);
    margin-bottom: 2rem;
}

.read-more {
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.read-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: var(--transition);
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Contact Info Section */
.contact-info {
    background-color: var(--color-secondary);
}

.contact-info h2 {
    text-align: center;
}

.contact-info h2:after {
    left: 50%;
    transform: translateX(-50%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    margin-top: 5rem;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.contact-item h3 {
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.contact-item p {
    color: var(--color-dark-gray);
    margin-bottom: 0;
}

.contact-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 100%;
}

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

/* Footer */
.site-footer {
    background-color: var(--color-text);
    color: var(--color-light-gray);
    padding: 6rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo a {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: -0.5px;
    text-transform: lowercase;
}

.footer-logo p {
    margin-top: 1.5rem;
    color: var(--color-medium-gray);
}

.footer-links h3,
.footer-contact h3 {
    color: var(--color-white);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: var(--color-medium-gray);
    transition: var(--transition);
}

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

.footer-contact p {
    color: var(--color-medium-gray);
    margin-bottom: 1rem;
}

.footer-contact a {
    color: var(--color-medium-gray);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.legal-links {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.legal-links a {
    color: var(--color-medium-gray);
    font-size: 1.4rem;
}

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

.copyright {
    color: var(--color-medium-gray);
    font-size: 1.4rem;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media screen and (max-width: 1200px) {
    html {
        font-size: 58%;
    }
}

@media screen and (max-width: 992px) {
    html {
        font-size: 56%;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .contact-map {
        height: 40rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 54%;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: center;
        padding: 5rem 2rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: 0.5s;
        z-index: 99;
    }
    
    .menu-toggle:checked ~ .nav-menu {
        right: 0;
    }
    
    .menu-icon {
        display: block;
    }
    
    .menu-toggle:checked ~ .menu-icon .nav-icon {
        background: transparent;
    }
    
    .menu-toggle:checked ~ .menu-icon .nav-icon::before {
        top: 0;
        transform: rotate(45deg);
    }
    
    .menu-toggle:checked ~ .menu-icon .nav-icon::after {
        bottom: 0;
        transform: rotate(-45deg);
    }
    
    .about-content {
        flex-direction: column;
        gap: 4rem;
    }
    
    .hero {
        padding: 15rem 0 10rem;
    }
    
    .hero h1 {
        font-size: 3.6rem;
    }
    
    .hero .subtitle {
        font-size: 1.8rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-slider {
        flex-direction: column;
    }
    
    .order-form {
        padding: 3rem;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 576px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .legal-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .order-form {
        padding: 2rem;
    }
    
    h1 {
        font-size: 3.2rem;
    }
    
    h2 {
        font-size: 2.8rem;
    }
} 

/* Стили для сообщений об ошибках формы */
.form-errors {
    background-color: rgba(255, 107, 59, 0.1);
    border-left: 4px solid var(--color-accent);
    padding: 1.5rem;
    margin-bottom: 3rem;
    border-radius: var(--border-radius);
}

.error-message {
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.error-message:last-child {
    margin-bottom: 0;
}

/* Выделение полей с ошибками */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--color-accent);
}

/* Стили для сообщения об успехе */
.form-success {
    background-color: rgba(0, 127, 166, 0.1);
    border-left: 4px solid var(--color-primary);
    padding: 1.5rem;
    margin-bottom: 3rem;
    border-radius: var(--border-radius);
    color: var(--color-primary);
    font-weight: 500;
}

/* Стили для предупреждений */
.form-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 1.5rem;
    margin-bottom: 3rem;
    border-radius: var(--border-radius);
    color: #856404;
    font-weight: 500;
}