/* ============================================
   Базовые стили и переменные
   ============================================ */

:root {
    --color-primary: #003366;
    --color-secondary: #444444;
    --color-accent: #c2703d;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Типографика
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    text-transform: uppercase;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 3rem;
    letter-spacing: 2px;
}

/* ============================================
   Кнопки
   ============================================ */

.btn {
    display: inline-block;
    padding: 16px 32px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    text-align: center;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 0;
}

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

.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
}

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

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

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

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

.btn-large {
    padding: 20px 48px;
    font-size: 16px;
    width: 100%;
}

/* ============================================
   Hero-блок
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #001a33 100%);
    background-image: 
        linear-gradient(rgba(0, 51, 102, 0.7), rgba(0, 26, 51, 0.8)),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%23003366" width="1200" height="800"/><path d="M0,400 Q300,200 600,400 T1200,400 L1200,800 L0,800 Z" fill="%23001a33" opacity="0.5"/><path d="M0,500 Q400,300 800,500 T1200,500 L1200,800 L0,800 Z" fill="%23c2703d" opacity="0.1"/></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    color: var(--color-white);
    text-align: center;
    overflow: hidden;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 51, 102, 0.4);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 40px 20px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    font-weight: 400;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-feature {
    font-size: 0.95rem;
    opacity: 0.9;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.hero-note {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ============================================
   О компании
   ============================================ */

.about {
    padding: 100px 0;
    background-color: var(--color-white);
    position: relative;
    z-index: 2;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.feature-text {
    font-size: 1.1rem;
    color: var(--color-text);
    text-align: center;
}

.feature-detail {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 5px;
    font-weight: 400;
}

/* ============================================
   Услуги
   ============================================ */

.services {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, var(--color-white));
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--color-white);
    padding: 40px 30px;
    border: 2px solid #e0e0e0;
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 51, 102, 0.1);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.6;
    font-style: italic;
}

.service-benefit {
    background: #f8f9fa;
    padding: 12px 15px;
    margin: 20px 0;
    border-left: 3px solid var(--color-accent);
    font-size: 0.9rem;
    color: var(--color-text);
}

.service-list {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.service-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--color-text-light);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ============================================
   Преимущества
   ============================================ */

.advantages {
    padding: 100px 0;
    background-color: var(--color-white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-card {
    text-align: center;
    padding: 30px 20px;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.advantage-title {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.advantage-text {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   Этапы работы
   ============================================ */

.process {
    padding: 100px 0;
    background: linear-gradient(to bottom, var(--color-white), #f8f9fa);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
}

.step-item {
    text-align: center;
    padding: 30px 20px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.step-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-accent);
    margin-bottom: 15px;
    opacity: 0.3;
}

.step-title {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.step-text {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.step-time {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-top: 10px;
}

.section-subtitle {
    text-align: center;
    margin-bottom: 50px;
    color: var(--color-text-light);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* ============================================
   Блок с цифрами
   ============================================ */

.stats {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #001a33 100%);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-accent);
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Отзывы
   ============================================ */

.testimonials {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, var(--color-white));
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--color-white);
    padding: 30px;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 51, 102, 0.1);
}

.testimonial-rating {
    color: var(--color-accent);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.testimonial-text {
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    border-top: 1px solid #e0e0e0;
    padding-top: 15px;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.testimonial-author strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: 5px;
}

/* ============================================
   FAQ
   ============================================ */

.faq {
    padding: 100px 0;
    background-color: var(--color-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.faq-item:hover {
    background: #f0f0f0;
    transform: translateX(5px);
}

.faq-question {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.faq-answer {
    color: var(--color-text);
    line-height: 1.7;
}

/* ============================================
   Форма обратной связи
   ============================================ */

.contact {
    padding: 100px 0;
    background-color: var(--color-primary);
    color: var(--color-white);
}

.contact-benefits {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.contact-benefit {
    font-size: 1rem;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact .section-title {
    color: var(--color-white);
    margin-bottom: 50px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    font-family: var(--font-body);
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.15);
}

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

/* ============================================
   Футер
   ============================================ */

.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-contact {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-contact a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-map {
    height: 400px;
    margin: 40px 0;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.map-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 20px;
}

.map-note {
    font-size: 0.9rem;
    margin-top: 10px;
    opacity: 0.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ============================================
   Модальное окно
   ============================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--color-white);
    padding: 50px 40px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    text-align: center;
    position: relative;
    animation: slideUp 0.3s;
    margin: 20px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    font-weight: bold;
}

.modal-title {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.modal-text {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* ============================================
   Адаптивность
   ============================================ */

@media (max-width: 768px) {
    .hero {
        background-attachment: scroll;
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-benefits {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-map {
        height: 300px;
    }
    
    .about,
    .services,
    .advantages,
    .process,
    .contact {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 85vh;
    }
    
    .hero-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 12px;
    }
    
    .modal-content {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .about,
    .services,
    .advantages,
    .process,
    .contact,
    .stats,
    .testimonials,
    .faq {
        padding: 40px 0;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
}