:root {
    --bg-color: #030712; /* Deep Space */
    --text-primary: #f8fafc; /* Ice White */
    --text-secondary: #d1d5db; /* Titanium Silver */
    --electric-blue: #00f0ff; /* Electric Blue */
    --midnight-blue: #0f172a; /* Deep Slate */
    --border-color: #1e293b;
    --card-bg: #0b1120;
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    border-top: 4px solid var(--electric-blue);
}

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

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
}

.brand {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.cage-code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--electric-blue);
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(0, 240, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.blinking-dot {
    width: 8px;
    height: 8px;
    background-color: var(--electric-blue);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero {
    margin-bottom: 6rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 2.5rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
}

button {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 1rem 2rem;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--electric-blue);
    color: #000000;
    border: none;
}

.btn-primary:hover {
    background-color: #38bdf8;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 6rem;
}

.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
    border-color: var(--electric-blue);
}

.feature-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--electric-blue);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.feature-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.comparison {
    background-color: var(--card-bg);
    border-left: 4px solid var(--electric-blue);
    padding: 3rem;
    margin-bottom: 6rem;
}

.comparison h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.comparison p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 800px;
}

footer {
    border-top: 1px solid var(--border-color);
    padding-top: 3rem;
    padding-bottom: 3rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #4b5563;
    text-align: center;
}