/* Modern CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* СВЕТЛО-ГОЛУБАЯ цветовая схема */
:root {
    --bg-primary: #f0f9ff;      /* Мягкий голубой фон */
    --bg-secondary: #ffffff;     /* Белый для карточек */
    --bg-accent: #e6f0fa;        /* Нежный голубой для акцентов */
    --text-primary: #1e293b;     /* Темно-синий для текста */
    --text-secondary: #475569;   /* Серо-синий */
    --text-tertiary: #64748b;    /* Светло-серый */
    --accent-primary: #0284c7;   /* Насыщенный голубой */
    --accent-secondary: #38bdf8;  /* Светлый голубой */
    --accent-light: #dbeafe;     /* Очень светлый голубой */
    --gradient-1: linear-gradient(135deg, #0284c7, #38bdf8);
    --gradient-2: linear-gradient(45deg, #0ea5e9, #7dd3fc);
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --hover-shadow: 0 20px 40px -15px rgba(2, 132, 199, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Навигация */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    padding: 1rem 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

/* Логотип */
.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-code {
    color: var(--accent-primary);
    opacity: 0.9;
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0 0.2rem;
    font-weight: 800;
}

/* Меню */
.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

/* Телефон */
.phone-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--card-border);
    border-radius: 2rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.5);
}

.phone-link i {
    color: var(--accent-primary);
    font-size: 0.8rem;
}

.phone-link:hover {
    border-color: var(--accent-primary);
    background: white;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

/* Кнопки */
.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 2rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 10px 20px -8px var(--accent-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 30px -10px var(--accent-primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

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

/* Статистика */
.hero-stats {
    display: flex;
    gap: 2.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero Image */
.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, #dbeafe, #bae6fd);
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(2, 132, 199, 0.25);
}

/* Техно-иконки */
.tech-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.tech-icons i {
    position: absolute;
    font-size: 2rem;
    color: rgba(2, 132, 199, 0.15);
    animation: float 6s ease-in-out infinite;
}

.tech-icons i:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
.tech-icons i:nth-child(2) { top: 50%; right: 20%; animation-delay: 2s; }
.tech-icons i:nth-child(3) { bottom: 20%; left: 50%; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Заголовки секций */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
    background: var(--accent-light);
    padding: 0.2rem 1rem;
    border-radius: 2rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-description {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Услуги */
.services {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--card-border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--hover-shadow);
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--accent-light);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.card-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.card-link {
    color: var(--text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.card-link i {
    transition: var(--transition);
}

.card-link:hover {
    color: var(--accent-primary);
    gap: 0.8rem;
}

/* Преимущества */
.advantages {
    padding: 5rem 0;
}

.advantages-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.advantage-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1.2rem;
    background: var(--bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--card-border);
    transition: var(--transition);
}

.advantage-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
    background: white;
}

.advantage-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--accent-light);
    border-radius: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon i {
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.advantage-text h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
    color: var(--text-primary);
}

.advantage-text p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Изображение преимуществ */
.advantages-image {
    position: relative;
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #dbeafe, #bae6fd);
    border-radius: 2rem;
    overflow: hidden;
}

.image-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(2, 132, 199, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(2, 132, 199, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
}

/* Отзывы */
.reviews {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.review-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--card-border);
    transition: var(--transition);
}

.review-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--hover-shadow);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.review-avatar {
    width: 3rem;
    height: 3rem;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--accent-primary);
}

.review-info h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.review-info .review-date {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.review-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-style: italic;
}

.review-rating {
    color: #fbbf24;
}

.review-rating i {
    margin-right: 0.2rem;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.cta-wrapper {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 2rem;
    border: 1px solid var(--card-border);
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cta-text {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-form {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-primary);
    padding: 0.5rem;
    border-radius: 3rem;
    border: 1px solid var(--card-border);
    margin-bottom: 1rem;
}

.phone-input {
    flex: 1;
    padding: 0.8rem 1.2rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.phone-input:focus {
    outline: none;
}

.btn-large {
    padding: 0.8rem 1.8rem;
}

.cta-note {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.cta-note i {
    color: var(--accent-primary);
    margin-right: 0.3rem;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
}

.footer-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-info p {
    color: var(--text-secondary);
    margin: 1.5rem 0;
    max-width: 300px;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 2.2rem;
    height: 2.2rem;
    background: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-links a:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
    background: white;
}

.footer-links h4,
.footer-contacts h4 {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-contacts p {
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contacts i {
    color: var(--accent-primary);
    width: 1.2rem;
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.privacy-policy {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: var(--transition);
}

.privacy-policy:hover {
    color: var(--accent-primary);
}

/* Scroll Top */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 2.5rem;
    height: 2.5rem;
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-3px);
}

/* Burger Menu */
.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.burger span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    margin: 2px 0;
    transition: var(--transition);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-text {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.preloader-bar {
    width: 200px;
    height: 2px;
    background: var(--card-border);
    overflow: hidden;
    border-radius: 2px;
}

.preloader-bar::after {
    content: '';
    display: block;
    width: 50%;
    height: 100%;
    background: var(--gradient-1);
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin: 0 auto 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .advantages-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0,0,0,0.05);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .burger {
        display: flex;
    }
    
    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .burger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .cta-form {
        flex-direction: column;
        background: transparent;
        padding: 0;
        border: none;
    }
    
    .phone-input {
        background: var(--bg-primary);
        border: 1px solid var(--card-border);
        border-radius: 3rem;
    }
    
    .footer-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-info p {
        margin: 1rem auto;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-contacts p {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .nav-phone {
        display: none;
    }
    
    .cta-wrapper {
        padding: 2rem;
    }
}