/* Базовые сбросы и настройки */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9fafb;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: #6b7280;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.highlight {
    color: #3b82f6;
    font-weight: 700;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-secondary:hover {
    background-color: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

/* Шапка */
.header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
    color: #1f2937;
}

.logo span {
    color: #3b82f6;
}

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

.nav-menu li {
    margin-left: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #3b82f6;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #4b5563;
    cursor: pointer;
}

/* Герой */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e6f7ff 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #111827;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-placeholder {
    width: 100%;
    max-width: 500px;
    height: 300px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #1e40af;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.1);
}

.visual-placeholder i {
    font-size: 5rem;
    margin-bottom: 1rem;
}

/* О нас */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.about-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-icon {
    font-size: 2.5rem;
    color: #3b82f6;
    margin-bottom: 1.5rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

/* Кейсы / Услуги */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-top: 4px solid #3b82f6;
    transition: transform 0.3s;
}

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

.case-number {
    font-size: 3rem;
    font-weight: 800;
    color: #dbeafe;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.case-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.case-description {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.case-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.case-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
}

.case-list i {
    color: #10b981;
    margin-right: 10px;
    margin-top: 4px;
    flex-shrink: 0;
}

.case-clients {
    font-size: 0.9rem;
    color: #6b7280;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    text-align: center;
}

.cta .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.125rem;
    max-width: 700px;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta .btn-secondary {
    background-color: white;
    color: #3b82f6;
    border-color: white;
}

.cta .btn-secondary:hover {
    background-color: #f0f9ff;
    color: #1e40af;
}

.contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 4rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    font-size: 1.5rem;
    opacity: 0.8;
}

/* Подвал */
.footer {
    background-color: #111827;
    color: #d1d5db;
    padding: 60px 0;
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: #60a5fa;
}

.footer-tagline {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Адаптивность */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        flex-direction: column;
        gap: 20px;
    }
}

/* Стили для изображения RAG */
.rag-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.rag-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* Обновление стилей для visual-placeholder */
.visual-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.visual-placeholder p {
    margin-top: 15px;
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
    .rag-image {
        max-width: 90%;
        margin: 0 auto 15px;
    }
    
    .visual-placeholder p {
        font-size: 0.9rem;
    }
}