:root {
    --bg-color: #050505;
    --panel-bg: #0a0e12;
    --text-main: #e0e6ed;
    --text-muted: #8a96a3;
    --accent-blue: #00e5ff;
    --accent-green: #00ff66;
    --border-color: #1a252f;
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

/* Subtle CRT scanline effect for the command centre vibe */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.1)
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 50;
    opacity: 0.3;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    position: relative;
    z-index: 10;
}

header {
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-green);
    margin-bottom: 1.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

h1 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    letter-spacing: -0.05em;
}

h2 {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-blue);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.philosophy {
    background-color: var(--panel-bg);
    border-left: 3px solid var(--accent-blue);
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-muted);
}

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

.keyword {
    color: var(--text-main);
}

.formula {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--accent-blue);
    font-weight: 600;
    background: rgba(0, 229, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
}

.panel {
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--panel-bg);
}

.panel-header {
    background-color: rgba(26, 37, 47, 0.5);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
}

.panel-header h3 {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.panel-content {
    padding: 1.5rem;
}

.data-list {
    list-style: none;
}

.data-list li {
    margin-bottom: 1.25rem;
    position: relative;
    padding-left: 1.5rem;
}

.data-list li:last-child {
    margin-bottom: 0;
}

.data-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.data-list strong {
    color: var(--text-main);
    font-weight: 600;
}

.panel-content p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.panel-content p:last-child {
    margin-bottom: 0;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-green);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    background-color: rgba(0, 255, 102, 0.05);
    transition: all 0.2s ease;
}

.tech-tag:hover {
    border-color: var(--accent-green);
    background-color: rgba(0, 255, 102, 0.1);
}

.cta-container {
    text-align: center;
    padding: 2rem 1.5rem;
}

.cta-button {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--bg-color);
    background-color: var(--accent-blue);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 1px solid var(--accent-blue);
}

.cta-button .prompt {
    color: var(--bg-color);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--accent-blue);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
}

.cta-button:hover .prompt {
    color: var(--accent-blue);
}

footer {
    margin-top: 4rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    .panel-content {
        padding: 1.25rem;
    }
}