:root {
    --bg-color: #0a0a0c;
    --card-bg: #16161a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --border-color: #2d2d35;
    --max-width: 1100px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    padding: 4rem 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-tagline {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-color);
    letter-spacing: 0.04em;
}

.logo-container {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-mark {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}


.logo {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.logo a {
    color: inherit;
    text-decoration: none;
}

.hero {
    padding: 6rem 0;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.05em;
    color: var(--text-primary);
    background: linear-gradient(180deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 4rem 0;
}


.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
}

.btn {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease;
}

.btn:hover {
    background: var(--accent-hover);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
        line-height: 1.2;
        background: none;
        -webkit-text-fill-color: #fff;
        color: #fff;
    }
    .hero { padding: 3rem 0; }
    .grid { grid-template-columns: 1fr; }
}