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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Шапка */
header {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    padding: 1rem;
    text-align: center;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-top: 1rem;
}

nav li {
    margin: 0 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* Основной контент */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.hero {
    text-align: center;
    padding: 3rem 1rem;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2575fc;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.cta-button {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s, background 0.3s;
}

.cta-button:hover {
    background: #ff5252;
    transform: translateY(-3px);
}

/* Карточки */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-card h3 {
    color: #2575fc;
    margin-bottom: 1rem;
}

/* Подвал */
footer {
    text-align: center;
    padding: 2rem;
    background: #343a40;
    color: white;
    margin-top: 2rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .hero {
        padding: 2rem 1rem;
    }

    nav ul {
        flex-direction: column;
    }

    nav li {
        margin: 0.5rem 0;
    }
}