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

:root {
    --primary-color: #FF5A00;
    --secondary-color: #1A1A1A;
    --accent-color: #FFD500;
    --text-color: #333;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Навигация */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.logo {
    height: 30px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero секция */
.hero {
    margin-top: 70px;
    padding: 80px 0;
    background: linear-gradient(135deg, #FF5A00 0%, #FF8A00 100%);
    color: var(--white);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.profile-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 5px solid var(--white);
    margin-bottom: 2rem;
    object-fit: cover;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.company {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 3rem 0;
}

.stat-item {
    text-align: center;
}

.stat-item i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Кнопки */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn {
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

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

/* Секции */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
}

/* Услуги */
.services {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.service-card ul {
    list-style: none;
    margin-top: 1rem;
}

.service-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Экспертиза */
.expertise {
    padding: 80px 0;
}

.expertise-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.expertise-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.expertise-list {
    margin-top: 2rem;
}

.expertise-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.expertise-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.expertise-item h4 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* Прогресс-бары навыков */
.skill-bars {
    margin-top: 1.5rem;
}

.skill-bar {
    margin-bottom: 1.5rem;
}

.skill-bar span {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.progress {
    background-color: #E0E0E0;
    border-radius: 10px;
    height: 10px;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    height: 100%;
    border-radius: 10px;
    width: 0;
    transition: width 2s ease;
}

/* Кейсы */
.cases {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.case-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.case-header i {
    font-size: 2rem;
}

.case-content {
    padding: 1.5rem;
}

.case-content p {
    margin-bottom: 1rem;
}

.case-content strong {
    color: var(--secondary-color);
}

.case-tags {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background-color: var(--light-gray);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    color: #666;
}

/* Калькулятор */
.calculator {
    padding: 60px 0;
    background-color: var(--secondary-color);
    color: var(--white);
    text-align: center;
}

.calculator .section-title {
    color: var(--white);
}

.calculator-widget {
    max-width: 600px;
    margin: 0 auto;
}

.calculator p {
    margin-bottom: 2rem;
}

/* Контакты */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
}

.contact-item h4 {
    margin-bottom: 0.3rem;
    color: var(--secondary-color);
}

.contact-item a {
    color: var(--text-color);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary-color);
}

/* Форма контактов */
.contact-form {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 10px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #DDD;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #CCC;
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--white);
}

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

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

.social-links a:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
}

/* Адаптивность */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .expertise-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
}