:root {
    --primary-red: #ff0000;
    --dark-bg: #0a0a0a;
    --card-bg: #1a1a1a;
    --text-white: #ffffff;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--primary-red);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo span {
    color: var(--primary-red);
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn-nav {
    background: var(--primary-red);
    padding: 8px 15px;
    border-radius: 4px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1550742690-63f00a286d6b?q=80&w=2070&auto=format&fit=crop'); /* Placeholder texture */
    background-size: cover;
}

.hero h1 {
    font-size: 5rem;
    letter-spacing: 5px;
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 40px;
    background: var(--primary-red);
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--primary-red);
}

/* Features Section */
.features {
    padding: 100px 10%;
    background: #0f0f0f;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-red);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid #333;
    transition: 0.3s;
}

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

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-red);
}

/* CTA Section */
.cta-section {
    padding: 100px 20%;
    text-align: center;
    background: linear-gradient(to bottom, #0f0f0f, #2b0000);
}

.order-btn {
    margin-top: 30px;
    padding: 20px 50px;
    font-size: 1.2rem;
    background: var(--primary-red);
    border: none;
    color: white;
    cursor: pointer;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 40px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; }
    .nav-links { display: none; } /* Hide nav on mobile for brevity */
}