/* Основные цвета и переменные */
:root {
    /* Цветовая палитра */
    --color-primary: #007BA7; /* лазурно-синий */
    --color-secondary: #FF6B35; /* кораллово-оранжевый */
    --color-accent: #A8E10C; /* лаймовый */
    --color-background: #1C1C1E; /* глубокий графит */
    --color-text: #F3F4F6; /* дымчато-белый */
    
    /* Дополнительные цвета */
    --color-dark: #141415;
    --color-light: #ffffff;
    --color-gray: #9ca3af;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Тени и эффекты */
    --neon-shadow: 0 0 10px rgba(168, 225, 12, 0.5), 0 0 20px rgba(168, 225, 12, 0.3);
    --glass-effect: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    --card-border: 1px solid rgba(255, 255, 255, 0.1);
    
    /* Размеры и отступы */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    --section-spacing: 5rem;
    --card-border-radius: 12px;
}

/* Сброс и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

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

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

h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -0.8rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

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

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

/* Эффекты */
.glass-effect {
    background: var(--glass-effect);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--card-border-radius);
    border: var(--card-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.neon-shadow {
    box-shadow: var(--neon-shadow);
}

/* Хедер и навигация */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(28, 28, 30, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

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

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-light);
    text-transform: lowercase;
    position: relative;
    display: inline-block;
}

.logo a:after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.logo a:hover:after {
    transform: scaleX(1);
    transform-origin: left;
}

.main-nav .nav-list {
    display: flex;
    list-style: none;
}

.main-nav .nav-list li {
    margin-left: 1.5rem;
}

.main-nav .nav-list a {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.main-nav .nav-list a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.main-nav .nav-list a:hover {
    color: var(--color-accent);
}

.main-nav .nav-list a:hover:after {
    transform: scaleX(1);
    transform-origin: left;
}

.mobile-toggle {
    display: none;
}

.close-menu {
    display: none;
}

/* Hero секция */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 5rem;
    background: linear-gradient(135deg, rgba(0, 123, 167, 0.3), rgba(255, 107, 53, 0.3)), 
                radial-gradient(circle at top right, rgba(168, 225, 12, 0.2), transparent 70%);
    overflow: hidden;
    text-align: center;
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 3s infinite alternate;
}

.hero-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: var(--color-secondary);
    color: var(--color-light) !important;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--color-accent);
    box-shadow: var(--neon-shadow);
    transform: translateY(-3px);
    color: var(--color-dark) !important;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(0, 123, 167, 0.3), transparent 70%);
    z-index: -1;
}

/* About секция */
.about-section {
    background: linear-gradient(135deg, rgba(28, 28, 30, 0.9), rgba(20, 20, 21, 0.9));
}

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

.about-card {
    padding: 2rem;
    border-radius: var(--card-border-radius);
    background: var(--glass-effect);
    border: var(--card-border);
    transition: all 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-shadow);
    border-color: var(--color-accent);
}

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

.service-card {
    padding: 2rem;
    border-radius: var(--card-border-radius);
    background: var(--glass-effect);
    border: var(--card-border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 123, 167, 0.2);
    border-color: var(--color-primary);
}

.service-image {
    width: 100%;
    border-radius: var(--card-border-radius);
    margin-bottom: 1.5rem;
    object-fit: cover;
    height: 200px;
}

/* Advantages секция */
.advantages-section {
    background: linear-gradient(135deg, rgba(28, 28, 30, 0.9), rgba(20, 20, 21, 0.9));
}

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

.advantage-item {
    text-align: center;
    padding: 2rem;
    border-radius: var(--card-border-radius);
    background: var(--glass-effect);
    border: var(--card-border);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-shadow);
}

.advantage-icon {
    margin-bottom: 1.5rem;
    color: var(--color-accent);
}

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

.testimonial-card {
    padding: 2rem;
    border-radius: var(--card-border-radius);
    background: var(--glass-effect);
    border: var(--card-border);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 123, 167, 0.2);
    border-color: var(--color-primary);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-primary);
}

/* Contact form секция */
.contact-section {
    background: linear-gradient(135deg, rgba(28, 28, 30, 0.9), rgba(20, 20, 21, 0.9));
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2.5rem;
    border: 1px solid transparent;
    background: var(--glass-effect);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    border-radius: var(--card-border-radius);
    position: relative;
    overflow: hidden;
}

.form-container:before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    z-index: -1;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary), var(--color-accent), var(--color-primary));
    background-size: 400%;
    border-radius: calc(var(--card-border-radius) + 2px);
    animation: gradientBorder 6s linear infinite;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--card-border-radius);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.form-group select option {
    background-color: var(--color-dark);
    color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(168, 225, 12, 0.2);
}

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

.checkbox-group input {
    width: auto;
    margin-right: 0.5rem;
}

.checkbox-group label {
    margin: 0;
    font-size: 0.9rem;
}

.submit-button {
    background: var(--color-secondary);
    color: var(--color-light);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    width: 100%;
    font-family: 'Poppins', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-button:hover {
    background: var(--color-accent);
    color: var(--color-dark);
    box-shadow: var(--neon-shadow);
    transform: translateY(-3px);
}

/* FAQ секция */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border-radius: var(--card-border-radius);
    overflow: hidden;
    border: var(--card-border);
}

.faq-question {
    background: var(--glass-effect);
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.1);
}

.faq-toggle {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-answer {
    background: rgba(255, 255, 255, 0.05);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    max-height: 500px;
    padding: 1.5rem;
}

.faq-answer p {
    margin: 0;
}

/* Footer */
.site-footer {
    background: linear-gradient(135deg, rgba(28, 28, 30, 0.9), rgba(20, 20, 21, 0.9));
    padding: 4rem 0 2rem;
    margin-top: auto;
    border-top: 1px solid var(--color-border);
}

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

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-light);
}

.footer-description {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.footer-contact h3,
.footer-links h3 {
    margin-bottom: 1.2rem;
    color: var(--color-light);
}

.footer-contact ul,
.footer-links ul {
    list-style: none;
}

.footer-contact li,
.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--color-gray);
    transition: color 0.3s ease;
}

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    max-width: 400px;
    background: var(--glass-effect);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--card-border-radius);
    border: var(--card-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    padding: 1.5rem;
    z-index: 1000;
    display: none;
}

.cookie-popup.show {
    display: block;
    animation: slideUp 0.5s forwards;
}

.cookie-content p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

#accept-cookies {
    background: var(--color-secondary);
    color: var(--color-light);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

#accept-cookies:hover {
    background: var(--color-accent);
    color: var(--color-dark);
}

/* Анимации */
@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        text-shadow: 0 0 5px rgba(168, 225, 12, 0.1);
    }
    100% {
        text-shadow: 0 0 20px rgba(168, 225, 12, 0.3), 0 0 40px rgba(0, 123, 167, 0.2);
    }
}

@keyframes gradientBorder {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Медиа-запросы для адаптивного дизайна */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }
    
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 20px;
    }
    
    .menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--color-text);
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-background);
        padding: 2rem;
        z-index: 1001;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }
    
    .main-nav.menu-open {
        right: 0;
    }
    
    .close-menu {
        display: block;
        text-align: right;
        margin-bottom: 2rem;
    }
    
    .close-button {
        font-size: 2rem;
        color: var(--color-text);
    }
    
    .nav-list {
        flex-direction: column;
    }
    
    .nav-list li {
        margin: 0 0 1.5rem 0;
    }
    
    .nav-list a {
        display: block;
        padding: 0.5rem 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    section {
        padding: 3rem 0;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1.2rem;
    }
    
    .hero-section {
        min-height: 80vh;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .about-grid, 
    .services-grid, 
    .advantages-grid, 
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-popup {
        left: 10px;
        right: 10px;
        max-width: calc(100% - 20px);
    }
}