.site-header[data-astro-cid-3ef6ksr2]{border-bottom:1px solid var(--color-border);background:var(--color-bg)}.site-header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-sm);padding-bottom:var(--space-sm)}.site-header__logo[data-astro-cid-3ef6ksr2]{font-family:var(--font-heading);font-weight:700;font-size:var(--text-lg);color:var(--color-text);text-decoration:none}.site-header__nav[data-astro-cid-3ef6ksr2]{display:flex;gap:var(--space-md)}.site-header__nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--color-text);text-decoration:none;font-size:var(--text-sm);font-weight:500}.site-header__nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--color-primary)}.site-footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-border);margin-top:var(--space-xl)}.site-footer__inner[data-astro-cid-sz7xmlte]{padding-top:var(--space-md);padding-bottom:var(--space-md);text-align:center}:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-contrast: #ffffff;--color-secondary: #f59e0b;--color-bg: #ffffff;--color-bg-alt: #f8fafc;--color-text: #0f172a;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-success: #16a34a;--color-error: #dc2626;--font-heading: "Inter", system-ui, -apple-system, sans-serif;--font-body: "Inter", system-ui, -apple-system, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-3xl: 2.25rem;--text-4xl: 3rem;--leading-tight: 1.2;--leading-normal: 1.6;--space-xs: .5rem;--space-sm: 1rem;--space-md: 2rem;--space-lg: 4rem;--space-xl: 6rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--radius-full: 999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);--container-max: 1120px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-heading);line-height:var(--leading-tight);margin:0 0 var(--space-sm) 0}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}p{margin:0 0 var(--space-sm) 0;color:inherit}a{color:var(--color-primary)}img{max-width:100%;display:block}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--space-sm)}.section{padding:var(--space-xl) 0}.section--alt{background:var(--color-bg-alt)}.btn{display:inline-block;font-family:var(--font-body);font-weight:600;padding:.75rem 1.5rem;border-radius:var(--radius-md);text-decoration:none;transition:background .15s ease,transform .15s ease;border:none;cursor:pointer}.btn--primary{background:var(--color-primary);color:var(--color-primary-contrast)}.btn--primary:hover{background:var(--color-primary-dark)}.text-muted{color:var(--color-text-muted)}.grid{display:grid;gap:var(--space-md)}@media(min-width:768px){.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}}.offset-calculator{--calc-bg: #f7f8fa;--calc-card: #ffffff;--calc-border: #e3e6ea;--calc-text: #1a1d23;--calc-muted: #6b7280;--calc-accent: #2563eb;--calc-accent-light: #eff4ff;--calc-radius: 12px;max-width:760px;margin:0 auto;padding:32px 16px 64px;color:var(--calc-text)}.offset-calculator .hero{margin:0 0 20px}.offset-calculator .hero img{width:100%;height:auto;max-height:320px;object-fit:cover;border-radius:var(--calc-radius);display:block}.offset-calculator .hero figcaption{font-size:.72rem;color:var(--calc-muted);margin-top:6px;text-align:right}.offset-calculator .hero figcaption a{color:var(--calc-muted)}.offset-calculator h1{font-size:1.6rem;margin:0 0 4px}.offset-calculator .subtitle{color:var(--calc-muted);font-size:.95rem;margin:0 0 28px;line-height:1.5}.offset-calculator .card{background:var(--calc-card);border:1px solid var(--calc-border);border-radius:var(--calc-radius);padding:24px;margin-bottom:20px}.offset-calculator .card h2{font-size:1.05rem;margin:0 0 16px;padding-bottom:10px;border-bottom:1px solid var(--calc-border)}.offset-calculator .field{margin-bottom:16px}.offset-calculator .field:last-child{margin-bottom:0}.offset-calculator label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:#374151}.offset-calculator .hint{font-size:.78rem;color:var(--calc-muted);margin-top:4px}.offset-calculator .input-group{position:relative}.offset-calculator input[type=number]{width:100%;padding:10px 12px 10px 28px;border:1px solid var(--calc-border);border-radius:8px;font-size:1rem;background:#fff;color:var(--calc-text)}.offset-calculator input.pct{padding-left:12px;padding-right:28px}.offset-calculator input:focus{outline:2px solid var(--calc-accent);outline-offset:1px}.offset-calculator .prefix{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--calc-muted);font-size:.95rem;pointer-events:none}.offset-calculator .suffix{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--calc-muted);font-size:.95rem;pointer-events:none}.offset-calculator .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:520px){.offset-calculator .row{grid-template-columns:1fr}}.offset-calculator .result-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:520px){.offset-calculator .result-grid{grid-template-columns:1fr}}.offset-calculator .result-item{background:var(--calc-accent-light);border-radius:10px;padding:14px 16px}.offset-calculator .result-item .label{font-size:.78rem;color:var(--calc-muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}.offset-calculator .result-item .value{font-size:1.3rem;font-weight:700;margin-top:4px}.offset-calculator .result-item.highlight{background:var(--calc-text);color:#fff}.offset-calculator .result-item.highlight .label{color:#c9cdd4}.offset-calculator .steps{font-size:.9rem;color:#374151;line-height:1.8}.offset-calculator .steps .step{margin-bottom:10px}.offset-calculator .steps .formula{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#f3f4f6;border-radius:6px;padding:8px 10px;margin-top:4px;font-size:.85rem;color:#111827}.offset-calculator button{background:var(--calc-accent);color:#fff;border:none;padding:11px 20px;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer}.offset-calculator button.secondary{background:#fff;color:var(--calc-text);border:1px solid var(--calc-border)}.offset-calculator .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}.offset-calculator .teaser{font-size:.9rem;color:#374151;line-height:1.6}.offset-calculator .teaser a{color:var(--calc-accent);font-weight:600;text-decoration:none}.offset-calculator .teaser a:hover{text-decoration:underline}.offset-calculator .disclaimer{margin-top:28px;font-size:.78rem;color:var(--calc-muted);line-height:1.6;border-top:1px solid var(--calc-border);padding-top:16px}@media print{.offset-calculator .no-print{display:none!important}.offset-calculator .card{border:1px solid #ccc;box-shadow:none}}