/* Адаптивность */
@media (max-width: 1200px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 992px) {
    .hero-section {
        padding: 3rem 0;
    }

    .navbar-collapse {
        background-color: rgba(255, 255, 255, 0.95);
        border-radius: 10px;
        padding: 1rem;
        margin-top: 1rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .nav-link {
        margin: 0.25rem 0;
    }

    .section-title:after {
        width: 60px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section .lead {
        font-size: 1rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.4rem; }

    .py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .card {
        margin-bottom: 1rem;
    }

    footer {
        padding: 2rem 0 1rem;
    }

    footer .col-md-4 {
        margin-bottom: 2rem;
        text-align: center;
    }

    .text-center-mobile {
        text-align: center;
    }

    .d-flex-mobile {
        flex-direction: column !important;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .hero-section {
        padding: 1.5rem 0;
    }

    .hero-section h1 {
        font-size: 1.8rem;
    }

    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.4rem; }
    h3 { font-size: 1.2rem; }

    .btn-group .btn {
        margin-bottom: 0.5rem;
        width: 100%;
    }

    .card-body {
        padding: 1rem;
    }

    .section-title:after {
        width: 40px;
    }
}

/* Для очень маленьких экранов */
@media (max-width: 400px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    .btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }

    .card {
        border-radius: 10px;
    }
}