/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Roboto', sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    line-height: 1.6;
}
section {
    padding: 40px;
    text-align: center;
}
.hero {
    background: #1f1f1f;
    color: white;
    padding: 80px 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.8);
    border-radius: 8px;
}
.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #e0e0e0;
}
.btn-primary {
    padding: 10px 20px;
    background: #3d245d;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    text-transform: uppercase;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.6);
    transition: background 0.3s, box-shadow 0.3s;
    margin: 10px;
    display: inline-block;
    text-decoration: none; /* Remove underline */
}
.btn-primary:hover {
    background: #3d245d;
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.8);
}
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 20px;
}
.feature {
    background-color: #1f1f1f;
    color: #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.6);
    transition: transform 0.3s, box-shadow 0.3s;
}
.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.8);
}
.feature h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
    color: #bb86fc;
}
.language-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
}
.language-toggle button {
    padding: 10px;
    margin: 5px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    border-radius: 4px;
}
.language-toggle button:hover {
    background-color: #444;
}
.lang-ru {
    display: none;
}
.active-lang-en .lang-ru {
    display: none;
}
.active-lang-en .lang-en {
    display: block;
}
.active-lang-ru .lang-en {
    display: none;
}
.active-lang-ru .lang-ru {
    display: block;
}

/* Mobile-friendly view: stacks feature blocks vertically */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .features {
        grid-template-columns: 1fr;
    }
}