:root{--sand:#f1e8d6;--sand-2:#e7dcc4;--paper:#fbf6ea;--kraft:#dccba6;--ink:#26211a;--ink-soft:#4a4234;--ink-faint:#736853;--amber:#e8821e;--amber-deep:#c96712;--pine:#2f6b46;--pine-deep:#234f35;--red:#b3402a;--line:#c3b393;--line-2:#a9966f;--radius:4px;--maxw:1180px;--display:"Oswald",system-ui,sans-serif;--sans:"Archivo",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:var(--sans);background:var(--sand);color:var(--ink);line-height:1.6;background-image:repeating-radial-gradient(circle at 18% 12%,rgba(47,107,70,.05) 0 1px,transparent 1px 64px),repeating-radial-gradient(circle at 82% 88%,rgba(47,107,70,.045) 0 1px,transparent 1px 96px);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}.narrow{max-width:760px}a{color:var(--amber-deep);text-decoration-color:#c9671266;text-underline-offset:3px}a:hover{color:var(--amber)}.stencil{font-family:var(--display);text-transform:uppercase;letter-spacing:.28em;font-weight:600;font-size:12px}.site-head{position:sticky;top:0;z-index:40;background:var(--sand-2);border-bottom:3px solid var(--ink)}.topbar{background:var(--ink);color:var(--kraft);text-align:center;padding:6px 12px}.topbar .stencil{color:var(--kraft);letter-spacing:.3em;font-size:11px}.site-head .bar{display:flex;align-items:center;justify-content:space-between;height:76px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink)}.brand:hover{color:var(--ink)}.brand .logo{width:44px;height:44px;flex:none;background:var(--ink);border-radius:50%;display:grid;place-items:center;box-shadow:0 0 0 3px var(--sand-2),0 0 0 5px var(--ink)}.brand-name{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:.03em;text-transform:uppercase;line-height:1}.brand-name span{color:var(--amber)}.brand-sub{font-family:var(--display);font-weight:500;font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-faint)}.nav{display:flex;gap:26px;align-items:center}.nav a{text-decoration:none;color:var(--ink);font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-weight:500;font-size:14px;padding:4px 0;border-bottom:2px solid transparent;transition:.15s}.nav a:hover{border-color:var(--amber);color:var(--amber-deep)}.nav a.all{background:var(--pine);color:var(--sand);padding:9px 15px;border:0;border-radius:2px;box-shadow:2px 2px 0 var(--pine-deep)}.nav a.all:hover{background:var(--pine-deep);color:#fff}.nav-toggle{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.nav-burger{display:none}@media(max-width:820px){.site-head .bar{height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.nav-burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;width:44px;height:44px;cursor:pointer;color:var(--ink);border:2px solid var(--ink);border-radius:2px;background:var(--paper)}.nav-burger:before{content:"☰";font-size:1.15rem;line-height:1}.nav-toggle:checked~.nav-burger:before{content:"✕";font-size:1rem}.nav{display:none;width:100%;flex-direction:column;gap:0;margin-top:8px}.nav-toggle:checked~.nav{display:flex}.nav a{display:block;width:100%;padding:13px 4px;font-size:15px;border-bottom:1px solid var(--line)}.nav a.all{text-align:center;margin-top:8px}}.hero{position:relative;overflow:hidden;border-bottom:3px solid var(--ink);background:linear-gradient(180deg,#f1e8d633,#e7dcc48c),radial-gradient(120% 140% at 88% -10%,rgba(232,130,30,.28),transparent 46%)}.hero .wrap{position:relative;z-index:1;padding:66px 28px 70px}.sunrays{position:absolute;top:-150px;right:-110px;width:520px;height:520px;opacity:.6;pointer-events:none;z-index:0}.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--pine-deep);margin-bottom:18px;font-family:var(--display);text-transform:uppercase;letter-spacing:.26em;font-weight:600;font-size:12px}.eyebrow:before{content:"";width:34px;height:2px;background:var(--amber)}.hero h1{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:clamp(40px,6.5vw,72px);line-height:.97;letter-spacing:.005em;max-width:15ch;color:var(--ink)}.hero h1 em{font-style:normal;color:var(--amber-deep)}.hero .lead{margin-top:22px;max-width:56ch;font-size:18px;color:var(--ink-soft)}.hero-meta{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:30px}.hero-meta .stat{display:flex;flex-direction:column;gap:3px}.hero-meta .num{font-family:var(--mono);font-weight:700;font-size:22px;line-height:1;color:var(--pine-deep)}.hero-meta .lbl{font-family:var(--display);text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:500;color:var(--ink-faint)}.pagehead{padding:40px 0 6px}.crumbs{font-family:var(--display);font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:14px}.crumbs a{color:var(--ink-faint);text-decoration:none}.crumbs a:hover{color:var(--amber-deep)}.pagehead h1{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:clamp(30px,4.2vw,46px);line-height:1.02;letter-spacing:.01em;color:var(--ink)}.pagehead h1:after{content:"";display:block;width:66px;margin-top:14px;height:3px;background:var(--amber)}.pagehead p{margin-top:14px;max-width:62ch;color:var(--ink-soft);font-size:17px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start}@media(max-width:920px){.layout{grid-template-columns:1fr;gap:8px}}.col-main{min-width:0}.rail{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}@media(max-width:920px){.rail{position:static;margin-top:24px}}.rail-card{background:var(--paper);border:2.5px solid var(--ink);border-radius:var(--radius);padding:20px 22px;box-shadow:5px 5px #26211a1a}.rail-card h4{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:16px;letter-spacing:.04em;margin-bottom:8px}.rail-card a{display:block;padding:9px 0;font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:13.5px;color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--line)}.rail-card a:last-of-type{border-bottom:0}.rail-card a:hover{color:var(--amber-deep)}.calc{margin:26px 0;background:var(--paper);border:3px solid var(--ink);border-radius:var(--radius);overflow:hidden;box-shadow:8px 8px #26211a1f}.calc-grid{display:grid;grid-template-columns:1.1fr .9fr}@media(max-width:820px){.calc-grid{grid-template-columns:1fr}}.calc-inputs{padding:30px 32px;border-right:3px solid var(--ink)}@media(max-width:820px){.calc-inputs{border-right:0;border-bottom:3px solid var(--ink)}}.calc-inputs h2{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:21px;letter-spacing:.03em;margin-bottom:4px}.calc-inputs .hint{font-size:13.5px;color:var(--ink-faint);margin-bottom:22px}.field{margin-bottom:18px}.field label{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--display);text-transform:uppercase;letter-spacing:.09em;font-size:12.5px;font-weight:500;margin-bottom:7px;color:var(--ink-soft)}.field label .unit{color:var(--amber-deep);font-weight:600}.field .input-wrap{position:relative;display:flex;align-items:center;border:2px solid var(--ink);border-radius:2px;background:var(--sand);overflow:hidden}.field input,.field select{flex:1;width:100%;border:0;background:transparent;padding:12px 14px;font-family:var(--mono);font-weight:700;font-size:17px;color:var(--ink);outline:none}.field select{font-family:var(--display);font-weight:600;font-size:15px;text-transform:uppercase;letter-spacing:.04em}.field .input-wrap:focus-within{box-shadow:inset 0 0 0 2px var(--amber)}.field input::selection{background:var(--amber);color:var(--ink)}.field .affix{padding:0 13px;font-family:var(--display);font-size:12.5px;letter-spacing:.06em;color:var(--ink-faint);align-self:stretch;display:flex;align-items:center;background:var(--sand-2)}.field .affix.suf{border-left:2px solid var(--line)}.field .affix.pre{border-right:2px solid var(--line)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:end}@media(max-width:460px){.field-row{grid-template-columns:1fr}}.calc-result{padding:30px 32px;color:var(--sand);background:var(--ink);background-image:repeating-linear-gradient(135deg,rgba(232,130,30,.07) 0 2px,transparent 2px 16px)}.calc-result h2{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:18px;letter-spacing:.04em;color:var(--sand);margin-bottom:4px}.calc-result .sub{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.22em;font-size:11px;color:var(--kraft);margin-bottom:12px}.headline-figure .num{font-family:var(--display);font-weight:700;font-size:clamp(46px,8vw,80px);line-height:.92;color:var(--amber);letter-spacing:.01em;overflow-wrap:anywhere}.headline-figure .num .unit{color:var(--sand);font-size:.36em;font-weight:500;margin-left:.2em}.headline-figure .num.over{color:var(--red);font-size:clamp(26px,4.5vw,38px)}.headline-figure:after{content:"";display:block;width:60px;margin-top:12px;height:3px;background:var(--amber)}.calc-note{margin-top:14px;padding:11px 13px;font-size:13px;line-height:1.5;color:var(--sand);background:#b3402a40;border:1px solid var(--red);border-radius:2px}.result-list{margin-top:20px;border-top:1px solid rgba(220,203,166,.25);padding-top:4px}.result-list .row{display:flex;align-items:baseline;padding:11px 0;font-size:14px}.result-list .row>span:first-child{order:0;font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:12px;color:var(--kraft);white-space:nowrap}.result-list .row:after{content:"";order:1;flex:1 1 auto;align-self:center;min-width:1.5rem;margin:0 .6em;border-bottom:1px dotted rgba(220,203,166,.4)}.result-list .row>span:last-child{order:2;font-family:var(--mono);font-weight:700;font-size:15px;color:var(--sand);white-space:nowrap}.result-list .row.good>span:last-child{color:#7fd6a0}.result-list .row.bad>span:last-child{color:#f0936f}.hero-band{position:relative;width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);background:radial-gradient(680px 340px at 82% -24%,rgba(232,130,30,.34),transparent 60%),linear-gradient(168deg,#2f281f,var(--ink));color:var(--sand);padding:50px 0 92px;overflow:hidden;border-bottom:3px solid var(--ink)}.hero-band:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,transparent,var(--amber),transparent);opacity:.85}.hero-band-inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1}.hero-band .pagehead{padding:0;max-width:760px}.hero-band .pagehead .crumbs,.hero-band .pagehead .crumbs a{color:var(--kraft)}.hero-band .pagehead .crumbs a:hover{color:var(--amber)}.hero-band .pagehead h1{color:#fff}.hero-band .pagehead h1:after{background:var(--amber)}.hero-band .pagehead p{color:#ece1ca}.hero-band .band-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);text-transform:uppercase;letter-spacing:.26em;font-weight:600;font-size:12px;color:var(--amber);margin-bottom:14px}.hero-band .band-eyebrow:before{content:"";width:34px;height:2px;background:var(--amber)}.float-calc{position:relative;z-index:2;margin-top:-60px;margin-bottom:8px;box-shadow:10px 14px #26211a2e,0 30px 70px -28px #26211a99}@media(max-width:920px){.float-calc{margin-top:-54px}}@media(max-width:560px){.hero-band{padding:38px 0 80px}.float-calc{margin-top:-50px}}.has-floathero .layout{margin-top:0}.home-hero-band{position:relative;overflow:hidden;border-bottom:3px solid var(--ink);background:linear-gradient(168deg,#2f281f,var(--ink))}.home-hero-band:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,transparent,var(--amber),transparent);opacity:.85;z-index:2}.home-hero-band .wrap{position:relative;z-index:1;padding:64px 28px 104px}.home-hero-band .eyebrow{color:var(--amber)}.home-hero-band .eyebrow:before{background:var(--amber)}.home-hero-band h1{color:#fff}.home-hero-band h1 em{color:var(--amber)}.home-hero-band .lead{color:#ece1ca}.home-hero-band .hero-meta .num{color:var(--amber)}.home-hero-band .hero-meta .lbl{color:var(--kraft)}.home-hero-band .sunrays line{stroke:var(--amber)}.home-hero-band .feat-label{margin-top:30px;font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--amber)}.prose{padding:8px 0 0;max-width:760px}.prose h2{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:25px;letter-spacing:.02em;margin:38px 0 12px;color:var(--ink)}.prose h3{font-family:var(--display);font-weight:600;text-transform:uppercase;font-size:17px;letter-spacing:.02em;margin:26px 0 8px;color:var(--ink)}.prose p{color:var(--ink-soft);margin-bottom:14px}.prose ul{color:var(--ink-soft);margin:0 0 16px 1.1rem}.prose li{margin-bottom:7px}.prose li::marker{color:var(--amber-deep)}.formula{font-family:var(--mono);font-weight:700;font-size:14px;line-height:1.7;background:var(--sand-2);border:2px solid var(--ink);border-left:5px solid var(--amber);border-radius:2px;padding:16px 18px;margin:8px 0 20px;color:var(--ink);white-space:pre-wrap}.takeaways{background:var(--sand-2);border:2px solid var(--line);border-left:5px solid var(--pine);border-radius:2px;padding:16px 20px;margin:6px 0 24px}.takeaways .tk-label{font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.18em;font-size:12px;color:var(--pine-deep);margin-bottom:8px}.takeaways ul{margin:0 0 0 1.1rem;color:var(--ink)}.takeaways li{margin-bottom:5px}.prose table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:14px}.prose table th,.prose table td{text-align:left;padding:10px 13px;border:2px solid var(--line)}.prose table th{background:var(--kraft);font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:12px;color:var(--ink)}.prose table td{color:var(--ink-soft)}.prose table td:first-child{color:var(--ink);font-weight:500}.prose table tbody tr:nth-child(2n) td{background:#c3b3932e}.cite{font-size:13.5px;color:var(--ink-faint);border-top:1px solid var(--line);margin-top:22px;padding-top:12px}.cite a{color:var(--ink-soft)}.reviewed{font-family:var(--display);font-weight:500;font-size:12px;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.12em;margin-top:6px}.faq{margin-top:14px}.faq details{border-bottom:2px solid var(--line);padding:4px 0}.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.02em;font-size:16px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:1rem}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--display);font-size:1.4rem;color:var(--amber-deep)}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--ink-soft);padding:0 0 18px}.section-label{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:28px;letter-spacing:.03em;margin:54px 0 4px;color:var(--ink)}.section-label:after{content:"";display:block;width:60px;margin-top:10px;height:3px;background:var(--amber)}.section-sub{color:var(--ink-soft);margin-bottom:26px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.tool-card{position:relative;background:var(--paper);border:2.5px solid var(--ink);border-radius:var(--radius);padding:22px 22px 18px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;min-height:168px;transition:.15s;box-shadow:5px 5px #26211a1a}.tool-card:hover{transform:translate(-2px,-2px);box-shadow:7px 7px #26211a29;color:var(--ink)}.tool-card .tc-ico{display:inline-grid;place-items:center;width:50px;height:50px;border-radius:10px;background:var(--sand-2);color:var(--pine);margin-bottom:14px;border:1.5px solid var(--line)}.tool-card .tc-ico svg{width:26px;height:26px}.tool-card .tc-tag{align-self:flex-start;font-family:var(--display);font-weight:600;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-deep);border:1.5px solid var(--line);border-radius:2px;padding:3px 9px;margin-bottom:14px}.tool-card h3{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:18px;letter-spacing:.02em;line-height:1.1;margin-bottom:7px}.tool-card p{font-size:13.5px;color:var(--ink-soft);margin:0}.tool-card .go{margin-top:auto;padding-top:16px;font-family:var(--display);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--pine-deep);display:inline-flex;align-items:center;gap:7px}.tool-card .go:after{content:"→";color:var(--amber-deep);font-weight:700;transition:transform .15s}.tool-card:hover .go:after{transform:translate(4px)}.ad-slot{margin:28px auto;min-height:104px;background:var(--paper);border:2px dashed var(--line-2);border-radius:2px;display:grid;place-items:center;color:var(--ink-faint);font-family:var(--display);font-size:11px;letter-spacing:.2em;text-transform:uppercase}.ad-rail{min-height:600px;margin:0}@media(max-width:920px){.ad-rail{min-height:250px}}.disclaimer{margin:30px 0;max-width:760px;padding:16px 18px;font-size:13.5px;color:var(--ink-soft);background:var(--sand-2);border:2px solid var(--line);border-radius:2px}.disclaimer strong{color:var(--amber-deep)}.site-foot{border-top:3px solid var(--ink);background:var(--ink);color:var(--sand);margin-top:64px;padding:42px 0 48px}.foot-grid{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}.foot-col h4{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:15px;letter-spacing:.05em;color:var(--amber);margin-bottom:12px}.foot-col a{display:block;font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:13px;color:var(--kraft);text-decoration:none;margin-bottom:8px}.foot-col a:hover{color:#fff}.foot-bottom{margin-top:34px;font-size:13px;color:var(--kraft);border-top:1px solid rgba(220,203,166,.25);padding-top:20px}.foot-bottom a{color:var(--sand)}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.rise{animation:rise .6s cubic-bezier(.2,.7,.2,1) both}.rise-1{animation-delay:.05s}.rise-2{animation-delay:.12s}.rise-3{animation-delay:.19s}@media(prefers-reduced-motion:reduce){.rise{animation:none}html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}.skip-link{position:absolute;left:8px;top:-52px;z-index:200;background:var(--ink);color:var(--paper);border-radius:2px;padding:10px 16px;font-family:Archivo,system-ui,sans-serif;font-weight:700;font-size:14px;text-decoration:none;transition:top .15s}.skip-link:focus{top:8px;color:var(--paper)}:focus-visible{outline:3px solid var(--amber-deep);outline-offset:2px;border-radius:2px}.nav-toggle:focus-visible~.nav-burger{outline:3px solid var(--amber-deep);outline-offset:2px}@media(max-width:600px){.prose table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}}@media print{.site-head,.site-foot,.rail,.ad-slot,.skip-link,.related,.sunrays,.topbar{display:none!important}body{background:#fff;color:#000}.calc{box-shadow:none;border:1px solid #999}a{color:#000;text-decoration:underline}}