:root {
    --bg-dark: #1a1a1a;
    --text-light: #f0f0f0;
    --accent-red: #ff3366;
    --accent-red-hover: #e02a5a;
    --card-bg: #2a2a2a;
    --border-color: #444;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.main-header .logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-red);
    text-shadow: 0 0 5px rgba(255, 51, 102, 0.3);
}

.lang-container-header {
    margin: 0 1rem;
}

.cyber-select {
    background: var(--bg-dark);
    color: white;
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    outline: none;
}

.main-nav {
    display: flex;
    gap: 1rem;
}

.nav-button {
    text-decoration: none;
    color: var(--text-light);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.primary-button {
    background-color: var(--accent-red);
    color: white;
}

.primary-button:hover {
    background-color: var(--accent-red-hover);
    transform: translateY(-2px);
}

.hero-section {
    padding: 6rem 2rem;
    text-align: center;
    background: radial-gradient(circle at center, #331a20 0%, var(--bg-dark) 70%);
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.hero-section p {
    font-size: 1.4rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: #ccc;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    display: inline-block;
    border: none;
}

.btn-primary {
    background-color: var(--accent-red);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-red-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 51, 102, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-light);
    transform: scale(1.05);
}

.features-section {
    padding: 5rem 2rem;
    background-color: rgba(0,0,0,0.2);
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--accent-red);
    transform: translateY(-10px);
}

.feature-item h3 {
    color: var(--accent-red);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.main-footer {
    background-color: var(--card-bg);
    padding: 3rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-links a {
    color: #888;
    text-decoration: none;
    margin: 0 15px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-red);
}

@media (max-width: 768px) {
    .hero-section h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 80%; text-align: center; }
    .main-header { flex-direction: column; gap: 1rem; }
}