/* About Page Styles - нейтральная бело-голубая гамма */
.about-hero {
    background: linear-gradient(135deg, #ffffff 0%, #e3f2fd 100%);
    /*background: linear-gradient(135deg, rgba(44, 62, 80, 0.9) 0%, rgba(52, 152, 219, 0.8) 100%),*/
    url('/static/img/hero_bg.jpg') center/cover;
    color: #2c3e50;
    padding: 120px 0 80px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2c3e50;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: #546e7a;
}

.about-intro {
    padding: 80px 0;
    background: #fafafa;
}

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

.intro-text {
    font-size: 1.3rem;
    line-height: 1.8;
    color: #455a64;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #3498db;
}

/* Advantages Section */
.advantages-section {
    padding: 80px 0;
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    border-radius: 15px;
    background: #f8f9fa;
    transition: all 0.3s ease;
    border: 1px solid #e3f2fd;
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #3498db;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.15);
    border-color: #3498db;
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #3498db;
}

.advantage-item h3 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-item p {
    color: #546e7a;
    line-height: 1.6;
}

/* Technologies Section */
.technologies-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.technologies-section .section-header h2 {
    color: #2c3e50;
}

.technologies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.tech-card {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 15px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.1);
    border-color: #3498db;
}

.tech-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: #3498db;
}

.tech-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
    color: #2c3e50;
}

.tech-card p {
    color: #546e7a;
    line-height: 1.6;
}

/* Mission Section */
.mission-section {
    padding: 100px 0;
    background: white;
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
}

.mission-text h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-weight: 300;
    color: #2c3e50;
}

.mission-text p {
    font-size: 1.3rem;
    line-height: 1.8;
    color: #455a64;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: #3498db;
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    background: white;
    color: #3498db;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-3px);box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    background: transparent;
    color: white;
    border-color: white;
}

/* Анимации и адаптивность */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .intro-text {
        font-size: 1.1rem;
    }

    .advantages-grid,
    .technologies-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantage-item,
    .tech-card {
        padding: 30px 20px;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

/* Анимация появления при скролле */
[data-aos] {
    opacity: 0;
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}