:root {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --accent-color: #64ffda; /* Teal/Cyan-ish */
    --secondary-color: #8892b0;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-code: 'Courier New', Courier, monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    overflow: hidden;
}

.container {
    max-width: 800px;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

/* The Enso Circle / Code Ring */
.enso-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.enso {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 8px solid transparent;
    border-top-color: var(--accent-color);
    border-right-color: rgba(100, 255, 218, 0.2);
    border-bottom-color: var(--accent-color);
    border-left-color: rgba(100, 255, 218, 0.2);
    animation: spin 12s linear infinite;
    box-shadow: 0 0 30px rgba(100, 255, 218, 0.1);
}

.code-brackets {
    position: absolute;
    font-family: var(--font-code);
    font-size: 5rem;
    color: var(--text-color);
    font-weight: bold;
    animation: pulse 3s ease-in-out infinite;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

p.subtitle {
    font-family: var(--font-code);
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.content {
    line-height: 1.6;
    color: var(--secondary-color);
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    font-family: var(--font-code);
    font-size: 1rem;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.btn:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 0.8rem;
    color: #444;
}

/* Background particle effect simulation */
.bg-code {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.05;
    z-index: 1;
    font-family: var(--font-code);
    font-size: 14px;
    overflow: hidden;
    white-space: pre-wrap;
    text-align: left;
    padding: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}