:root{--color-bg: #0a1830;--color-bg-elevated: #0f2444;--color-border: #1e3a63;--color-text: #eaf1fb;--color-text-muted: #8ea3c4;--color-accent: #4f9dff;--color-accent-contrast: #04101f;--color-success: #34d399;--color-warning: #fb923c;--color-danger: #f87171;--font-sans: "Segoe UI", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:radial-gradient(1200px circle at 85% -10%,rgba(79,157,255,.22),transparent 60%),radial-gradient(900px circle at -10% 110%,rgba(52,211,153,.08),transparent 60%),var(--color-bg);background-attachment:fixed;color:var(--color-text);font-family:var(--font-sans);line-height:1.5}.feature-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}