:root {
    --bg-dark: #0a0a0a;
    --bg-panel: #141414;
    --text-main: #e0e0e0;
    --accent: #ff4500;
    /* Tactical Orange */
    --accent-green: #39ff14;
    /* Cyber/Radar Green */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'JetBrains Mono', monospace;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    margin: 0;
    line-height: 1.6;
}

h1,
h2,
h3 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

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

/* HERO */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.9)), url('assets/hero_bg.jpg');
    /* Optional BG */
    background-size: cover;
    padding: 100px 20px;
    text-align: center;
    border-bottom: 2px solid var(--accent);
}

.hero h1 {
    font-size: 3.5rem;
    margin: 20px 0;
}

.highlight {
    color: var(--accent);
}

.badge {
    background: var(--accent);
    color: #000;
    display: inline-block;
    padding: 5px 10px;
    font-weight: bold;
    font-size: 0.8rem;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    transition: 0.3s;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    font-size: 1.2rem;
}

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 15px var(--accent);
}

/* SECTIONS */
.section {
    padding: 80px 20px;
}

.dark-bg {
    background-color: var(--bg-panel);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.card {
    border: 1px solid #333;
    padding: 30px;
    background: #000;
}

.card h3 {
    color: var(--accent-green);
}

/* PRODUCT */
.product-img img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
    border: 1px solid #333;
}

.specs {
    color: var(--accent-green);
    font-weight: bold;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* OFFER BOX */
.offer-box {
    background: #111;
    border: 2px solid var(--accent-green);
    max-width: 600px;
    margin: 40px auto;
    padding: 40px;
    position: relative;
}

.price-stack {
    font-size: 2rem;
    margin-bottom: 20px;
    font-family: var(--font-heading);
}

.cross-out {
    text-decoration: line-through;
    color: #666;
    font-size: 1.5rem;
    margin-right: 15px;
}

.final-price {
    color: var(--accent-green);
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}