:root {
    --primary-color: #6200EA; /* Deep Purple */
    --secondary-color: #00E5FF; /* Cyan/Neon */
    --accent-color: #FF00FF; /* Magenta */
    --bg-dark: #0f0f13;
    --bg-card: #1a1a24;
    --text-main: #ffffff;
    --text-muted: #b0b0b0;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --container-width: 1200px;
    --transition-speed: 0.3s;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: rgba(15, 15, 19, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

nav a:hover, nav a.active {
    color: var(--secondary-color);
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.lang-switch a {
    opacity: 0.7;
}

.lang-switch a.active {
    opacity: 1;
    color: var(--accent-color);
    font-weight: bold;
}

/* Footer */
footer {
    background-color: var(--bg-card);
    padding: 60px 0 20px;
    margin-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.footer-links li {
    list-style: none;
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Utility */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(98, 0, 234, 0.4);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        padding: 20px;
        transform: translateY(-150%);
        transition: transform 0.3s ease-in-out;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav.active {
        transform: translateY(0);
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
}