:root{--c-bg:#fff;--c-fg:#111;--c-accent:#dc2626;--c-muted:#6b7280;--max:1100px}*{box-sizing:border-box}body{margin:0;font:16px/1.5 ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--c-fg);background:var(--c-bg)}.landing{max-width:var(--max);margin:0 auto;padding:48px 20px}.hero__title{font-size:clamp(28px,5vw,52px);margin:0 0 12px;line-height:1.1;color:#dc2626}.hero__subtitle{color:var(--c-muted);font-size:18px;margin:0 0 32px}.hero__variants{margin:24px 0}.hero__variant{padding:12px;border:1px dashed #ddd;border-radius:8px;display:inline-block}.product-card{margin-top:32px;padding:24px;border:1px solid #eee;border-radius:12px}.product-card__price{font-size:24px;font-weight:600;margin:8px 0 16px}button{background:var(--c-accent);color:#fff;border:0;padding:12px 20px;border-radius:8px;font:inherit;cursor:pointer}button:hover{filter:brightness(.95)}[data-landing-hidden]{opacity:0;transition:opacity .15s}