/* Лаконичный стиль в духе planetus */
body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: #000;
    color: #fff;
    margin: 0;
}

/* Навигация */
.navbar {
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.navbar-brand img {
    filter: grayscale(100%) brightness(150%);
    transition: transform 0.3s ease;
}

.navbar-brand img:hover {
    transform: scale(1.05);
}

.navbar-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-direction: row;
}

.nav-item {
    margin-left: 10px;
}

/* Кнопки */
.btn-primary, .btn-outline-primary, .btn-info, .btn-outline-secondary {
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    padding: 8px 16px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover, .btn-outline-primary:hover, .btn-info:hover, .btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.btn-primary::before, .btn-outline-primary::before, .btn-info::before, .btn-outline-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::before, .btn-outline-primary:hover::before, .btn-info:hover::before, .btn-outline-secondary:hover::before {
    opacity: 1;
}

.btn-lg {
    padding: 10px 20px;
    font-size: 1rem;
}

/* Формы */
.form-control {
    border-radius: 8px;
    padding: 8px;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 6px;
    color: #ccc;
    font-size: 0.9rem;
}

/* Личный кабинет */
section.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

section.container h1, section.container h4, section.container h5 {
    font-weight: 600;
    color: #fff;
    font-size: 1.2rem;
}

section.container p {
    color: #ccc;
    font-size: 0.9rem;
}

/* Секция преимуществ */
.features {
    background: linear-gradient(to bottom, #000, #111);
    padding: 32px 0;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 70%);
    opacity: 0.2;
}

.features .material-icons {
    font-size: 32px;
    color: #fff;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.3));
}

.features h2 {
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

.features h3 {
    font-weight: 600;
    color: #fff;
    font-size: 1rem;
}

.features p {
    color: #ccc;
    font-size: 0.85rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: scale(1.03);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

.feature-icon {
    margin-top: 12px;
    margin-bottom: 8px;
}

/* Секция тарифов */
.list-group-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #fff;
    transition: all 0.3s ease;
    padding: 12px;
    margin-bottom: 8px;
}

.list-group-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.02);
}

.tariff-item.active {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
}

.tariff-item h5, .tariff-item p {
    margin: 0;
    font-size: 0.9rem;
}

.tariff-item.active h5, .tariff-item.active p {
    color: #fff;
}

/* Футер */
footer {
    background: #000;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccc;
}

footer a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

footer a:hover {
    color: #ccc;
}

/* Адаптивность */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .navbar-nav {
        flex-direction: row;
        gap: 8px;
        justify-content: flex-end;
    }
    .nav-item {
        margin-left: 8px;
    }
    .features, .pricing {
        padding: 20px 0;
    }
    .features h2, .pricing h2 {
        font-size: 1.5rem;
    }
}