*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #e3350d;--color-primary-dark: #b02a0a;--color-accent: #ffcb05;--color-bg: #f7f7f7;--color-surface: #ffffff;--color-text: #1a1a1a;--color-text-muted: #555;--color-border: #ddd;--color-error: #c0392b;--color-success: #27ae60;--radius: 8px;--shadow: 0 2px 8px rgba(0, 0, 0, .08);--max-width: 600px;--font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100dvh}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1rem}h1{font-size:clamp(1.6rem,4vw,2.2rem);line-height:1.2}h2{font-size:clamp(1.2rem,3vw,1.6rem)}p{margin-block:.5rem}.site-header{background:var(--color-primary);color:#fff;padding:1rem 0}.site-header .container{display:flex;align-items:center;gap:.75rem}.site-header h1{font-size:1.25rem;font-weight:700;color:var(--color-accent);letter-spacing:-.02em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.75rem 1.5rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;text-decoration:none;-webkit-user-select:none;user-select:none;line-height:1}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:#eee}.btn-full{width:100%}.form-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;margin-block:1.5rem}.form-group{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1.1rem}.form-label{font-size:.9rem;font-weight:600;color:var(--color-text)}.form-label .required{color:var(--color-error);margin-left:2px}.form-control{padding:.6rem .75rem;border:1.5px solid var(--color-border);border-radius:var(--radius);font-size:1rem;font-family:inherit;width:100%;background:var(--color-surface);color:var(--color-text);transition:border-color .15s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-control:focus{outline:none;border-color:var(--color-primary)}.form-control.is-invalid{border-color:var(--color-error)}.form-error{font-size:.82rem;color:var(--color-error)}.form-hint{font-size:.82rem;color:var(--color-text-muted)}.form-check{display:flex;align-items:flex-start;gap:.5rem;margin-bottom:1.25rem}.form-check input[type=checkbox]{width:1.1rem;height:1.1rem;flex-shrink:0;margin-top:.15rem;accent-color:var(--color-primary);cursor:pointer}.alert{padding:.9rem 1rem;border-radius:var(--radius);font-size:.9rem;margin-bottom:1rem}.alert-error{background:#fdecea;border:1px solid #f5c6c6;color:var(--color-error)}.hero{background:linear-gradient(135deg,var(--color-primary) 0%,#2c3e50 100%);color:#fff;padding:3rem 1rem;text-align:center}.hero-badge{display:inline-block;background:var(--color-accent);color:var(--color-text);border-radius:100px;padding:.25rem .9rem;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:1rem}.hero h1{color:#fff;margin-bottom:.75rem}.hero p{max-width:480px;margin:0 auto 1.5rem;opacity:.9;font-size:1.05rem}.product-section{padding:2rem 0}.product-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1rem}@media (min-width: 480px){.product-grid{grid-template-columns:repeat(2,1fr)}}.product-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}.product-card h3{font-size:.95rem;color:var(--color-text-muted);margin-bottom:.25rem}.product-card p{font-size:1rem;font-weight:600;margin:0}.confirmation-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:2rem 1.5rem;text-align:center;margin-block:2rem}.confirmation-icon{font-size:3rem;display:block;margin-bottom:1rem}.ref-badge{display:inline-block;background:#f0f4ff;border:1px solid #c0d0ff;border-radius:var(--radius);padding:.35rem .85rem;font-family:monospace;font-size:1rem;letter-spacing:.04em;word-break:break-all;margin-block:.5rem}.zelle-box{background:#fffbea;border:1.5px dashed var(--color-accent);border-radius:var(--radius);padding:1rem;text-align:left;margin-block:1.25rem;white-space:pre-wrap;font-size:.95rem}.copy-row{display:flex;justify-content:flex-end;margin-top:.5rem}