:root {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --human-color: #ffaa00; /* Gold/Amber */
    --ai-color: #00f3ff; /* Neon Cyan */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    overflow: hidden; /* Prevent scroll */
    width: 100vw;
    height: 100vh;
}

#canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    pointer-events: none; /* Let clicks pass through to canvas generally */
}

/* Allow pointer events on interactive elements */
header, main, footer, button {
    pointer-events: auto;
}

header {
    padding: 2rem;
    display: flex;
    justify-content: flex-start;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--human-color), var(--ai-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.9;
}

main {
    text-align: center;
    padding: 0 1rem;
    transform: translateY(-10%); /* Visual centering */
}

.hero-text {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 8rem);
    line-height: 1.1;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

.word.human {
    color: var(--human-color);
    text-shadow: 0 0 15px rgba(255, 170, 0, 0.6);
}

.word.ai {
    color: var(--ai-color);
    text-shadow: 0 0 15px rgba(0, 243, 255, 0.6);
}

.connector {
    color: #555;
    font-weight: 300;
}

.subtitle {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: #aaa;
    letter-spacing: 1px;
    margin-bottom: 3rem;
    animation: fadeIn 2s ease-out;
}

.cta-button {
    background: transparent;
    border: 1px solid var(--ai-color);
    color: var(--ai-color);
    padding: 1rem 3rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    background: var(--ai-color);
    color: var(--bg-color);
    box-shadow: 0 0 30px var(--ai-color);
}

footer {
    padding: 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: #444;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .header { padding: 1rem; }
}