:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-color: #ccff00;
    --border-color: #333333;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Space Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.5;
    overflow-x: hidden;
}

/* Background Noise Texture */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 50;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: -0.02em;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.05em;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--accent-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid var(--text-color);
    background: transparent;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

.btn-neon {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-neon:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(204, 255, 0, 0.4);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.tagline {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(204, 255, 0, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(204, 255, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(204, 255, 0, 0); }
}

.hero-title {    font-size: clamp(3rem, 10vw, 8rem);
    line-height: 0.9;
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    max-width: 600px;
    color: #999;
    margin-bottom: 3rem;
}

/* Marquee */
.marquee {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    overflow: hidden;
    background: var(--bg-color);
    display: flex;
    white-space: nowrap;
}

.marquee-content {
    display: flex;
    gap: 2rem;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    animation: scroll 20s linear infinite;
}

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

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Features */
.features {
    padding: 6rem 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.feature-id {
    font-family: var(--font-mono);
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-desc {
    color: #999;
    font-size: 1rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.footer-brand h2 {
    font-family: var(--font-mono);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #666;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links h4 {
    font-family: var(--font-mono);
    color: #666;
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #666;
    text-align: center;
}

@media (max-width: 768px) {
    .nav { display: none; }
    .hero-title { font-size: 3.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}