:root {
    --bg-color: #0d0d0d;
    --text-color: #e0e0e0;
    --primary-color: #10B981;
    --secondary-bg: #1a1a1a;
    --accent-color: #2563eb;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body.dark-theme {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Logo */
.header {
    padding: 1.5rem 0;
    border-bottom: 1px solid #333;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

.logo .dot {
    display: inline-block;
    width: 0.25em;
    height: 0.25em;
    background-color: #10B981;
    border-radius: 50%;
    margin-left: 0.05em;
    margin-right: 0.03em;
    transform: translateY(0.02em);
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.btn-login {
    border: 1px solid var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: transparent;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

h1 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary-color);
    display: block;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: #a0a0a0;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.badge {
    display: block;
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #666;
}

/* Metro Grid Visual */
.metro-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.tile {
    background: var(--secondary-bg);
    padding: 1.5rem;
    border-radius: 4px;
    border: 1px solid #333;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.tile-large { grid-column: span 2; height: 120px; border-left: 4px solid var(--primary-color); }
.tile-medium { height: 100px; border-left: 4px solid var(--accent-color); }
.tile-small { height: 80px; }

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { border-color: var(--primary-color); }
    50% { border-color: #55f5c0; }
    100% { border-color: var(--primary-color); }
}

/* Sections Misc */
section {
    padding: 6rem 0;
}

.highlight-box {
    background: #111;
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid #10b98133;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.feature-item {
    margin-bottom: 4rem;
}

.feature-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid #333;
}

.footer-links {
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .grid, .hero-content {
        grid-template-columns: 1fr;
    }
    h1 { font-size: 2.2rem; }
}