:root{ --bg:#0F172A; --surface:#1E293B; --surface2:#162033; --border:#334155; --heading:#E2E8F0; --text:#CBD5E1; --muted:#94A3B8; --accent:#38BDF8; --green:#22C55E; --yellow:#EAB308; --red:#EF4444; --max:1200px; --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; } *,*::before,*::after{box-sizing:border-box} html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden} body{margin:0;font-family:var(--font);font-size:1rem;line-height:1.7;color:var(--text);background:var(--bg);overflow-x:hidden} .pbc-landing{width:100%;color:var(--text);background:var(--bg);font-family:var(--font);line-height:1.7} img,svg{max-width:100%;height:auto;display:block} a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline} .skip{position:absolute;left:-9999px;top:auto} .skip:focus{left:1rem;top:1rem;z-index:99;background:var(--accent);color:var(--bg);padding:.5rem 1rem;border-radius:8px} .site-header{position:sticky;top:0;z-index:50;background:rgba(15,23,42,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)} .site-header__inner{max-width:var(--max);margin:0 auto;padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap} .site-logo{font-weight:800;font-size:.95rem;color:var(--heading)!important;text-decoration:none!important} .site-nav{display:flex;flex-wrap:wrap;gap:.4rem .85rem;font-size:.8125rem} .site-nav a{color:var(--muted)!important;padding:.25rem 0} .site-nav a:hover{color:var(--accent)!important;text-decoration:none} .wrap{max-width:var(--max);width:100%;margin:0 auto;padding:0 .875rem 2rem;overflow-x:hidden} @media(min-width:768px){.wrap{padding:0 1.25rem 3rem}} .hero{padding:1.25rem 0 .5rem;text-align:left} @media(min-width:768px){.hero{text-align:center;padding:1.5rem 0 .5rem}} .hero h1{font-size:clamp(1.125rem,4.5vw,2.25rem);line-height:1.35;margin:0;font-weight:600;color:var(--heading)!important;word-wrap:break-word;overflow-wrap:break-word;hyphens:auto;max-width:100%} #calculator{padding-top:.5rem;padding-bottom:1rem;width:100%;max-width:100%;overflow-x:hidden} #calculator .pbc-calculator{max-width:100%!important;width:100%!important;margin-left:0!important;margin-right:0!important;padding-left:0!important;padding-right:0!important;overflow-x:hidden} .pbc-article{margin-top:.25rem} .pbc-intro-lead{border-top:1px solid var(--border);padding-top:1.5rem} .pbc-intro-lead p{color:var(--text)} .pbc-no-header .pbc-hero{display:none!important} .pbc-no-header .pbc-layout{margin-top:0} .section{padding:1.75rem 0;border-top:1px solid var(--border)} @media(min-width:768px){.section{padding:2.5rem 0}} .section h2{font-size:clamp(1.1rem,3vw,1.65rem);margin:0 0 1rem;color:var(--heading)!important;line-height:1.4;font-weight:600} .section h3{font-size:clamp(1rem,2.5vw,1.125rem);margin:1.35rem 0 .6rem;color:var(--heading)!important;font-weight:600;line-height:1.4} .section h4{font-size:.975rem;margin:1rem 0 .5rem;color:var(--heading)!important;font-weight:600;line-height:1.4} .section p{margin:0 0 1rem;color:var(--text)} .section ul,.section ol{margin:0 0 1rem;padding-left:1.25rem;color:var(--text)} .section li{margin-bottom:.4rem} .content-grid{display:grid;gap:1.25rem;margin-top:1rem} @media(min-width:960px){.content-grid{grid-template-columns:220px 1fr;align-items:start;gap:2rem}} .toc{position:sticky;top:4rem;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1rem} @media(min-width:960px){.toc{top:4.5rem;padding:1.15rem}} .toc h2{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 .75rem} .toc ol{margin:0;padding-left:1.1rem;font-size:.8125rem} .toc a{color:var(--muted)!important;word-break:break-word} .toc a:hover{color:var(--accent)!important;text-decoration:none} .toc-toggle{display:block;width:100%;margin-bottom:1rem;padding:.85rem 1rem;background:var(--surface);border:1px solid var(--border);color:var(--heading);border-radius:10px;font:inherit;cursor:pointer;min-height:44px} @media(min-width:960px){.toc-toggle{display:none}} .toc{display:none} .toc.is-open{display:block} @media(min-width:960px){.toc{display:block}} .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1rem 0;border:1px solid var(--border);border-radius:10px} table{width:100%;border-collapse:collapse;font-size:.8125rem;min-width:480px} @media(min-width:640px){table{font-size:.9rem;min-width:520px}} th,td{padding:.65rem .75rem;text-align:left;border-bottom:1px solid var(--border);color:var(--text)} @media(min-width:640px){th,td{padding:.85rem 1rem}} th{background:var(--surface2);color:var(--heading)!important;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em} tr:last-child td{border-bottom:0} .badge{display:inline-block;padding:.2rem .5rem;border-radius:99px;font-size:.7rem;font-weight:700;white-space:nowrap} @media(min-width:640px){.badge{font-size:.75rem;padding:.2rem .55rem}} .badge--good{background:rgba(34,197,94,.15);color:var(--green);border:1px solid var(--green)} .badge--warn{background:rgba(234,179,8,.15);color:var(--yellow);border:1px solid var(--yellow)} .badge--bad{background:rgba(239,68,68,.15);color:var(--red);border:1px solid var(--red)} .badge--elite{background:rgba(56,189,248,.15);color:var(--accent);border:1px solid var(--accent)} .faq details{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:.65rem} .faq summary{cursor:pointer;padding:.9rem 1rem;font-weight:600;color:var(--heading)!important;list-style:none;min-height:44px;display:flex;align-items:center} .faq summary::-webkit-details-marker{display:none} .faq__a{padding:0 1rem 1rem;color:var(--text);font-size:.9375rem;line-height:1.65} .site-footer{text-align:center;padding:1.5rem 1rem;color:var(--muted);font-size:.75rem;border-top:1px solid var(--border)} #calculator .pbc-calculator{margin:0 auto;padding-left:0;padding-right:0} .visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0} .figure{margin:1.25rem 0} .figure img{width:100%;height:auto;border-radius:12px;border:1px solid var(--border);background:var(--surface)} .figure--side{max-width:100%;float:none;margin:0 0 1rem} @media(min-width:768px){.figure--side{float:right;width:min(42%,300px);margin:0 0 1rem 1.25rem}} .section::after{content:"";display:table;clear:both} /* Mobile-first fixes */ @media(max-width:1023px){ .site-header__inner{flex-direction:column;align-items:flex-start} .site-nav{width:100%;gap:.5rem} .pbc-calculator .pbc-layout{grid-template-columns:1fr!important} .pbc-calculator .pbc-col-tool .pbc-grid{grid-template-columns:1fr!important} .pbc-calculator .pbc-card{padding:1rem .875rem!important;border-radius:12px} .pbc-calculator .pbc-card-head{flex-wrap:wrap;gap:.5rem} .pbc-calculator .pbc-meters{grid-template-columns:1fr!important} .pbc-calculator .pbc-score-box{flex-direction:column!important;align-items:flex-start!important} .pbc-calculator .pbc-pct{font-size:clamp(2.25rem,12vw,3.5rem)!important} .pbc-calculator select{font-size:16px!important;min-height:48px;padding:.875rem 1rem} .pbc-calculator button.pbc-go{font-size:1rem;padding:1rem;min-height:48px} .pbc-calculator a.pbc-amz{width:100%;max-width:100%;padding:.875rem 1rem;font-size:.9rem;word-break:break-word} .pbc-calculator .pbc-guide-row{flex-direction:row;align-items:flex-start} .pbc-calculator .pbc-limiter{flex-direction:column;align-items:flex-start} } @media(max-width:480px){ .wrap{padding:0 .75rem 1.75rem} .hero h1{font-size:1.125rem;line-height:1.4} .section p,.section li{font-size:.9375rem} table{min-width:100%;font-size:.75rem} th,td{padding:.5rem .4rem;font-size:.7rem} .badge{display:block;width:fit-content;max-width:100%;white-space:normal;margin-top:.25rem} .faq summary{font-size:.9rem;padding:.85rem} .pbc-calculator .pbc-card-icon{width:36px;height:36px;font-size:1rem} .pbc-calculator .pbc-t{font-size:.8rem} .pbc-calculator .pbc-foot{font-size:.75rem;padding:0 .5rem} }