:root{--color-bg: #0f1419;--color-bg-dark: #0a0d11;--color-surface: #161c24;--color-border: #2a3441;--color-text: #f4f6f8;--color-text-soft: #b8c0cc;--color-text-muted: #7a8698;--color-accent: #e85d04;--color-accent-hover: #f48c3c;--layout-max: 1120px;--layout-narrow: 720px;--radius-sm: 6px;--radius-md: 12px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:DM Sans,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin:0}a{color:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.65rem 1.15rem;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:filter .15s ease,background .15s ease,border-color .15s ease}.btn--primary{background:var(--color-accent);color:var(--color-bg-dark)}.btn--primary:hover{filter:brightness(1.06)}.btn--ghost{background:transparent;border-color:var(--color-border);color:var(--color-text)}.btn--ghost:hover{border-color:var(--color-text-muted);background:#ffffff0a}