/* Общие стили */
:root {
    --primary-color: #0066cc;
    --secondary-color: #004d99;
    --accent-color: #ff6600;
    --light-color: #f5f9ff;
    --dark-color: #333;
    --gray-color: #777;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

p {
    margin-bottom: 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s;
}

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

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

.btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s, transform 0.2s;
}

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

.btn-outline {
    display: inline-block;
    padding: 12px 25px;
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s;
}

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

.center {
    text-align: center;
}

section {
    padding: 60px 0;
}

/* Шапка */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-text {
    margin-left: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo-text h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.8rem;
    margin: 0;
    color: var(--gray-color);
    display: block;
}

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

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--dark-color);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--accent-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

/* Мобильное меню - изначально скрыто */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Герой секция */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('img/hero-bg.jpg') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 150px 0 100px;
    margin-top: 60px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Сетки услуг и преимуществ */
.services-grid,
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.service-item,
.advantage {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-item:hover,
.advantage:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-item h3,
.advantage h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.services-preview,
.advantages {
    background-color: var(--light-color);
}

/* Примеры работ */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.work-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.work-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s;
}

.work-item:hover img {
    transform: scale(1.05);
}

.work-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.work-item:hover .work-info {
    transform: translateY(0);
}

/* Способы связи */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-method {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--light-color);
    border-radius: 10px;
    transition: transform 0.3s;
}

.contact-method:hover {
    transform: translateY(-5px);
}

.contact-method i {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Форма обратной связи */
.contact-form-section {
    background-color: var(--primary-color);
    color: white;
}

.contact-form-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: white;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--light-color);
    padding: 40px;
    border-radius: 10px;
    margin-top: 40px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

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

/* Кнопки мессенджеров */
.messenger-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.whatsapp-btn {
    background-color: #25D366;
}

.whatsapp-btn:hover {
    background-color: #128C7E;
}

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

.telegram-btn:hover {
    background-color: #005580;
}

/* Подвал */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: background-color 0.3s, transform 0.3s;
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccc;
}

/* Страница услуг */
.page-header {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 3rem 0;
    margin-top: 60px;
}

.service {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.service h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.service h3 {
    color: var(--secondary-color);
    margin: 1.5rem 0 1rem 0;
}

.service ul, .service ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.service li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Таблица цен */
.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.pricing-item {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

.pricing-item:hover {
    transform: translateY(-5px);
}

.pricing-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.pricing-item ul {
    text-align: left;
    margin: 1rem 0;
}

.pricing-item li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* CTA внутри услуг */
.service-cta {
    background-color: #e8f4fc;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
    text-align: center;
}

.service-cta p {
    margin-bottom: 1rem;
    font-weight: bold;
}

.cta {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 3rem 0;
}

/* Адаптивность */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .logo-link {
        justify-content: center;
        padding: 0.5rem 0;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .logo-text h1 {
        font-size: 1.2rem;
    }
    
    .logo-text p {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        position: absolute;
        right: 15px;
        top: 15px;
    }
    
    nav {
        display: none;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
    }
    
    nav ul li {
        margin: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    nav ul li a {
        display: block;
        padding: 1rem;
        text-align: center;
        font-size: 1.1rem;
        color: var(--dark-color);
    }
    
    nav ul li a::after {
        display: none;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .services-grid,
    .advantages-grid,
    .footer-content,
    .pricing-table,
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .messenger-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 35px;
    }
    
    .logo-text h1 {
        font-size: 1.1rem;
    }
    
    .logo-link {
        padding: 0.3rem 0;
    }
    
    .mobile-menu-btn {
        top: 10px;
        right: 10px;
    }
    
    nav ul li a {
        padding: 0.8rem;
        font-size: 1rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .service {
        padding: 1.5rem;
    }
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  display: none;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s, transform 0.3s;
}

.back-to-top:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

.back-to-top.visible {
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .btn, .btn-outline {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  nav ul li a {
    padding: 1rem;
    display: block;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Логотип */
.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo-img {
    height: 50px;
    width: auto;
    margin-right: 15px;
    transition: transform 0.3s ease;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo-text h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.8rem;
    margin: 0;
    color: var(--gray-color);
    display: block;
}

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

/* Адаптивность для логотипа */
@media (max-width: 768px) {
    .logo-img {
        height: 40px;
        margin-right: 10px;
    }
    
    .logo-text h1 {
        font-size: 1.2rem;
    }
    
    .logo-text p {
        display: none;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 35px;
    }
    
    .logo-text h1 {
        font-size: 1.1rem;
    }
}