:root {
    --neon-pink: #ff00ff;
    --neon-cyan: #00ffff;
    --neon-green: #00ff00;
    --neon-purple: #bc13fe;
    --bg-color: #050505;
    --text-color: #e0e0e0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Roboto Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Effects */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 0),
            rgba(255, 255, 255, 0) 50%,
            rgba(0, 0, 0, 0.2) 50%,
            rgba(0, 0, 0, 0.2));
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 1000;
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    text-shadow:
        0 0 5px var(--neon-cyan),
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan),
        0 0 40px var(--neon-purple);
    animation: flicker 3s infinite alternate;
}

h2 {
    color: var(--neon-pink);
    text-shadow: 0 0 5px var(--neon-pink);
    border-bottom: 2px solid var(--neon-pink);
    display: inline-block;
    padding-bottom: 0.5rem;
}

a {
    color: var(--neon-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--neon-green);
    text-shadow: 0 0 8px var(--neon-green);
}

/* Layout */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid var(--neon-purple);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(5px);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--neon-cyan);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a {
    font-size: 1.1rem;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--neon-green);
    transition: width 0.3s;
}

nav a:hover::after {
    width: 100%;
}

.lang-switch {
    background: transparent;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-family: var(--font-display);
    transition: all 0.3s;
}

.lang-switch:hover {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--neon-cyan);
}

main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--neon-pink), transparent);
}

/* Components */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--neon-purple);
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px var(--neon-purple);
}

.card h3 {
    color: var(--neon-green);
    margin-bottom: 0.5rem;
}

.btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    font-family: var(--font-display);
    text-transform: uppercase;
    cursor: pointer;
}

.btn:hover {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* Animations */
@keyframes flicker {

    0%,
    19%,
    21%,
    23%,
    25%,
    54%,
    56%,
    100% {
        opacity: 1;
        text-shadow:
            0 0 5px var(--neon-cyan),
            0 0 10px var(--neon-cyan),
            0 0 20px var(--neon-cyan),
            0 0 40px var(--neon-purple);
    }

    20%,
    24%,
    55% {
        opacity: 0.5;
        text-shadow: none;
    }
}

/* Mobile */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    h1 {
        font-size: 2rem;
    }
}

/* Utility */
.hidden {
    display: none;
}