:root{--surface-base:oklch(0.985 0.002 250);--surface-card:oklch(1 0 0);--border-subtle:oklch(0.93 0.004 250);--text-primary:oklch(0.14 0.008 250);--text-secondary:oklch(0.40 0.008 250);--accent-base:oklch(0.40 0.15 270);--font-sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Inter",system-ui,sans-serif;--radius-pill:999px}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--surface-base);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}main{min-height:100dvh;display:grid;place-items:center;padding:32px}.stack{max-width:520px;display:flex;flex-direction:column;align-items:flex-start;gap:20px}.mark{display:inline-flex;align-items:center;padding:6px 14px;border:1px solid var(--border-subtle);background:var(--surface-card);color:var(--accent-base);border-radius:var(--radius-pill);font-size:13px;letter-spacing:.02em}.mark,h1{font-weight:600}h1{font-size:clamp(40px,6vw,64px);letter-spacing:-.025em;line-height:1.05}h1,p{margin:0}p{font-size:17px;line-height:1.55;color:var(--text-secondary)}