@import "https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700;800&display=swap";:root{--portal-page:#f4f1ea;--portal-raised:#fbfaf7;--portal-surface:#ebe8e1;--portal-surface-strong:#ded9cf;--portal-ink:#171815;--portal-muted:#77766f;--portal-subtle:#77766f;--portal-line:#d8d4cc;--portal-line-strong:#aaa69d;--portal-focus:#245ca6;--portal-mint:#4bc7a1;--portal-danger:#9f4039;--portal-a:#6f62a8;--portal-b:#ef826f;--portal-c:#d8cd72;--portal-button:#f0eadf;--portal-button-edge:#c9bfad;--portal-shadow:0 28px 80px #2927221f, 0 2px 8px #29272212;--portal-max:1400px;--portal-gutter:clamp(20px, 4vw, 64px);--norma-header-gutter:clamp(14px, 4vw, 42px);color:var(--portal-ink);background:var(--portal-page);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Helvetica Neue,Arial,sans-serif}:root[data-norma-theme=dark]{--portal-page:#151614;--portal-raised:#1d1f1b;--portal-surface:#23251f;--portal-surface-strong:#34362f;--portal-ink:#f2efe8;--portal-muted:#a7a59e;--portal-subtle:#89877f;--portal-line:#34362f;--portal-line-strong:#5d6158;--portal-focus:#c9cbc3;--portal-mint:#83d6c2;--portal-danger:#e18d86;--portal-button:#eee6d7;--portal-button-edge:#c7bcaa;--portal-shadow:0 30px 90px #00000057;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-norma-theme=paper]{--portal-page:#e9e0cf;--portal-raised:#f3eadb;--portal-surface:#dfd3c1;--portal-surface-strong:#cfc1ad;--portal-ink:#29251f;--portal-muted:#746d62;--portal-subtle:#746d62;--portal-line:#cfc1ad;--portal-line-strong:#a99881;--portal-focus:#29251f;--portal-mint:#176455;--portal-danger:#873a35;--portal-button:#dfd3c1;--portal-button-edge:#a99881;--portal-shadow:0 24px 60px #30332e30;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--portal-page);min-width:320px}body{min-width:320px;min-height:100vh;color:var(--portal-ink);background:radial-gradient(circle at 75% 8%, color-mix(in srgb, var(--portal-raised) 72%, transparent), transparent 28rem), var(--portal-page);margin:0;overflow-x:hidden}button,input{font:inherit}button,a{color:inherit}svg{max-width:100%;display:block}.portal-sr{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.portal-skip{z-index:100;color:var(--portal-page);background:var(--portal-ink);border-radius:999px;padding:10px 14px;text-decoration:none;position:fixed;top:12px;left:12px;transform:translateY(-150%)}.portal-skip:focus{transform:none}:focus-visible{outline:2px solid var(--portal-focus);outline-offset:4px}.portal-shell{width:min(100%, var(--portal-max));padding-inline:var(--portal-gutter);margin-inline:auto}.portal-header{z-index:50;isolation:isolate;align-items:center;gap:28px;min-height:76px;display:flex;position:sticky;top:0}.portal-header.portal-shell{width:100%;max-width:none;padding-left:max(var(--norma-header-gutter), env(safe-area-inset-left));padding-right:max(var(--norma-header-gutter), env(safe-area-inset-right))}.portal-header:before{content:"";z-index:-1;border-bottom:1px solid color-mix(in srgb, var(--portal-line) 72%, transparent);background:var(--portal-page);position:absolute;inset:0 calc(50% - 50vw)}.portal-brand{letter-spacing:.18em;width:max-content;font-family:Geist,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;font-weight:700;line-height:1;text-decoration:none}.portal-nav{align-items:center;gap:22px;margin-left:auto;display:flex}.portal-nav a,.portal-app-link,.portal-footer a{color:var(--portal-muted);font-size:12px;font-weight:400;text-decoration:none}.portal-nav a:hover,.portal-nav a[aria-current=page],.portal-app-link:hover,.portal-footer a:hover{color:var(--portal-ink)}.portal-about-link{color:var(--portal-muted);font-size:12px;font-weight:400;text-decoration:none}.portal-about-link:hover{color:var(--portal-ink)}.portal-tools-menu{position:relative}.portal-tools-menu summary{min-height:44px;color:var(--portal-muted);cursor:pointer;align-items:center;gap:7px;font-size:12px;font-weight:400;list-style:none;display:inline-flex}.portal-tools-menu summary::-webkit-details-marker{display:none}.portal-tools-menu summary:hover,.portal-tools-menu[open] summary{color:var(--portal-ink)}.portal-tools-menu-chevron{width:12px;transition:transform .18s}.portal-tools-menu-chevron svg{stroke:currentColor;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.4px;width:12px;height:8px}.portal-tools-menu[open] 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.portal-app-link{min-height:46px;color:var(--portal-page);background:var(--portal-ink);border-radius:999px;justify-content:center;align-items:center;padding:0 18px;font-size:12px;font-weight:650;display:inline-flex}.portal-header .portal-app-link:hover{color:var(--portal-page)}.portal-theme{border:1px solid var(--portal-line);width:38px;height:38px;color:var(--portal-muted);background:color-mix(in srgb, var(--portal-raised) 72%, transparent);cursor:pointer;border-radius:50%;place-items:center;padding:0;display:grid;position:relative}.portal-theme:hover{color:var(--portal-ink);border-color:var(--portal-line-strong);background:var(--portal-raised)}.portal-theme svg,.portal-theme-paper{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px;margin:auto;transition:opacity .26s,transform .26s,stroke-dashoffset 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112px);padding-top:clamp(54px,7vh,94px);padding-bottom:clamp(90px,12vh,150px);display:grid}.portal-copy{max-width:610px}.portal-eyebrow{color:var(--portal-muted);letter-spacing:.18em;text-transform:uppercase;margin:0 0 22px;font-size:10px;font-weight:780;line-height:1.4}.portal-hero h1,.portal-section h2,.portal-final h2{letter-spacing:-.064em;margin:0;font-weight:480}.portal-hero h1{font-size:clamp(58px,6.5vw,104px);line-height:.91}.portal-lead{letter-spacing:-.025em;max-width:600px;margin:clamp(28px,4vw,46px) 0 0;font-size:clamp(20px,2vw,28px);line-height:1.32}.portal-definition,.portal-prose{color:var(--portal-muted);font-size:16px;line-height:1.72}.portal-definition{max-width:560px;margin:20px 0 0}.portal-actions{flex-wrap:wrap;align-items:center;gap:18px;margin-top:32px;display:flex}.portal-primary,.portal-secondary,.portal-quiet{cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:0 18px;font-size:13px;font-weight:720;text-decoration:none;display:inline-flex}.portal-primary{border:1px solid var(--portal-button-edge);color:#514b43;background:linear-gradient(180deg, #ffffff8f, transparent 48%), var(--portal-button);box-shadow:inset 0 1px #ffffffb3, 0 3px 0 color-mix(in srgb, var(--portal-button-edge) 75%, #8b8171), 0 10px 18px #3a342a1c}.portal-primary:active{box-shadow:0 1px 0 var(--portal-button-edge);transform:translateY(2px)}.portal-secondary,.portal-quiet{border:1px solid var(--portal-line);color:var(--portal-ink);background:color-mix(in srgb, var(--portal-raised) 78%, transparent)}.portal-secondary:hover,.portal-quiet:hover{border-color:var(--portal-line-strong);background:var(--portal-raised)}.portal-quiet{min-height:42px;padding-inline:14px}.portal-micro{color:var(--portal-subtle);letter-spacing:.09em;text-transform:uppercase;margin:22px 0 0;font-size:10px;font-weight:680;line-height:1.5}.portal-micro span{margin-inline:5px}.tool-panel{border:1px solid 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button[aria-pressed=true]{color:var(--portal-ink);background:var(--portal-raised);box-shadow:0 3px 12px #1e1e1914}.tool-field{margin-top:18px}.tool-field label{color:var(--portal-muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;font-size:11px;font-weight:720;display:block}.tool-field input{border:1px solid var(--portal-line-strong);width:100%;min-height:56px;color:var(--portal-ink);background:color-mix(in srgb, var(--portal-raised) 88%, transparent);font-variant-numeric:tabular-nums;border-radius:13px;padding:0 16px;font-size:22px}.tool-field input[aria-invalid=true]{border-color:var(--portal-danger)}.tool-error{min-height:20px;color:var(--portal-danger);margin:8px 0 0;font-size:12px}.tool-results{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px;display:grid}.tool-results div{border:1px solid var(--portal-line);background:color-mix(in srgb, var(--portal-raised) 68%, transparent);border-radius:13px;min-width:0;padding:14px}.tool-results 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h2{font-size:clamp(44px,5.2vw,80px);line-height:.98}.portal-section-head{grid-template-columns:1.15fr .85fr;align-items:end;gap:72px;margin-bottom:56px;display:grid}.portal-section-head .portal-prose{margin:0}.portal-facts{border-top:1px solid var(--portal-line);grid-template-columns:repeat(3,1fr);display:grid}.portal-facts article{border-bottom:1px solid var(--portal-line);padding:28px 24px 8px 0}.portal-facts article+article{border-left:1px solid var(--portal-line);padding-left:24px}.portal-facts small{color:var(--portal-subtle);letter-spacing:.1em;font-size:10px;font-weight:700}.portal-facts h3{margin:26px 0 10px;font-size:19px}.portal-facts p{color:var(--portal-muted);margin:0;font-size:14px;line-height:1.65}.compare-hero{grid-template-columns:minmax(0,1fr);align-items:start;gap:42px;min-height:auto;padding-top:48px;padding-bottom:80px}.compare-hero .portal-copy{max-width:720px}.compare-hero h1{font-size:clamp(54px,5.1vw,76px)}.compare-hero h1 br{display:none}.compare-hero .portal-lead{max-width:650px;margin-top:20px;font-size:clamp(20px,1.7vw,25px)}.compare-hero .portal-actions{margin-top:24px}.compare-hero .portal-micro{margin-top:18px}.compare-workbench{grid-column:1;margin-top:0}.compare-panel{padding:clamp(18px,2.4vw,30px)}.compare-inputs{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.compare-inputs label{min-width:0;color:var(--portal-muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:720}.compare-inputs input{border:1px solid var(--portal-line-strong);width:100%;min-height:48px;color:var(--portal-ink);background:var(--portal-raised);font-variant-numeric:tabular-nums;border-radius:11px;margin-top:7px;padding:0 12px;font-size:18px}.compare-inputs input[aria-invalid=true]{border-color:var(--portal-danger)}.compare-grid{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:stretch;gap:14px;display:grid}.compare-side{border:1px solid var(--portal-line);background:color-mix(in srgb, var(--portal-raised) 72%, transparent);border-radius:20px;min-width:0;padding:clamp(18px,2.4vw,26px)}.compare-side-head{justify-content:space-between;gap:12px;margin-bottom:18px;display:flex}.compare-side-head strong{font-size:13px}.compare-side-head output{color:var(--portal-muted);font-variant-numeric:tabular-nums;font-size:12px}.swap-button{border:1px solid var(--portal-line);width:44px;height:44px;color:var(--portal-muted);background:var(--portal-raised);cursor:pointer;border-radius:50%;align-self:center;place-items:center;padding:0;display:grid}.swap-button:hover{color:var(--portal-ink);border-color:var(--portal-line-strong)}.ratio-bars{gap:12px;margin-top:20px;display:grid}.ratio-bar-row{grid-template-columns:18px minmax(0,1fr) 62px;align-items:center;gap:10px;display:grid}.ratio-bar-row>span:first-child{font-size:11px;font-weight:760}.ratio-bar-track{background:color-mix(in srgb, var(--portal-line) 65%, transparent);border-radius:999px;height:10px;overflow:hidden}.ratio-bar-fill{border-radius:inherit;min-width:2px;height:100%;transition:width .18s}.ratio-bar-row:first-child .ratio-bar-fill{background:var(--portal-a)}.ratio-bar-row:nth-child(2) .ratio-bar-fill{background:var(--portal-b)}.ratio-bar-row:nth-child(3) .ratio-bar-fill{background:var(--portal-c)}.ratio-bar-row output{color:var(--portal-muted);font-variant-numeric:tabular-nums;text-align:right;font-size:11px}.stacked-ratio{border-radius:13px;min-height:56px;margin-top:20px;display:flex;overflow:hidden}.stacked-ratio span{color:#171815;place-items:center;min-width:0;font-size:11px;font-weight:760;transition:width .18s;display:grid}.stacked-ratio span:first-child{background:var(--portal-a);color:#fff}.stacked-ratio span:nth-child(2){background:var(--portal-b)}.stacked-ratio span:nth-child(3){background:var(--portal-c)}.equivalents{border-top:1px solid var(--portal-line);margin-top:18px;padding-top:16px}.equivalents small{color:var(--portal-subtle);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:720;display:block}.equivalents output{color:var(--portal-muted);font-variant-numeric:tabular-nums;margin-top:7px;font-size:12px;line-height:1.6;display:block}.compare-deltas{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;display:grid}.compare-deltas div{border:1px solid var(--portal-line);background:color-mix(in srgb, var(--portal-page) 58%, transparent);border-radius:12px;padding:13px}.compare-deltas span{color:var(--portal-muted);text-transform:uppercase;font-size:10px;font-weight:720;display:block}.compare-deltas output{font-variant-numeric:tabular-nums;margin-top:6px;font-size:16px;font-weight:690;display:block}.preset-row{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.preset-row button{border:1px solid var(--portal-line);min-height:36px;color:var(--portal-muted);cursor:pointer;background:0 0;border-radius:999px;padding:0 12px;font-size:11px;font-weight:680}.preset-row button:hover{color:var(--portal-ink);border-color:var(--portal-line-strong);background:var(--portal-raised)}.ratio-browser-open{border:1px solid var(--portal-line);width:100%;min-height:40px;color:var(--portal-muted);text-align:left;cursor:pointer;background:0 0;border-radius:11px;margin-top:12px;padding:0 12px;font-size:11px;font-weight:710}.ratio-browser-open:hover{color:var(--portal-ink);border-color:var(--portal-line-strong);background:var(--portal-raised)}.ratio-browser-open:after{content:"↗";float:right;font-size:14px}.has-ratio-browser{overflow:hidden}.ratio-browser-layer{z-index:30;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.ratio-browser-layer[hidden]{display:none}.ratio-browser-backdrop{cursor:default;background:#1718159e;border:0;width:100%;position:absolute;inset:0}.ratio-browser-dialog{border:1px solid var(--portal-line-strong);width:min(760px,100%);max-height:min(760px,100vh - 48px);color:var(--portal-ink);background:var(--portal-surface);border-radius:24px;grid-template-rows:auto minmax(0,1fr);display:grid;position:relative;overflow:hidden;box-shadow:0 28px 90px #00000042}.ratio-browser-head{border-bottom:1px solid var(--portal-line);justify-content:space-between;align-items:start;gap:18px;padding:24px 26px 18px;display:flex}.ratio-browser-head .portal-eyebrow{margin:0 0 7px}.ratio-browser-head h2{margin:0;font-size:clamp(26px,4vw,38px);line-height:1}.ratio-browser-close{border:1px solid var(--portal-line);width:38px;height:38px;color:var(--portal-muted);background:var(--portal-raised);cursor:pointer;border-radius:50%;flex:none;place-items:center;padding:0;font-size:24px;line-height:1;display:grid}.ratio-browser-scroll{min-height:0;padding:22px 26px 30px;overflow:auto}.ratio-browser-section-head{justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:12px;display:flex}.ratio-browser-section-head h3{margin:0;font-size:14px}.ratio-browser-section-head p{color:var(--portal-muted);text-align:right;margin:0;font-size:11px}.ratio-browser-entry-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.ratio-browser-entry{border:1px solid var(--portal-line);min-height:70px;color:var(--portal-ink);background:color-mix(in srgb, var(--portal-raised) 82%, transparent);text-align:left;cursor:pointer;border-radius:12px;align-content:center;gap:5px;padding:12px;display:grid}.ratio-browser-entry:hover{border-color:var(--portal-line-strong);background:var(--portal-page)}.ratio-browser-entry strong{font-variant-numeric:tabular-nums;font-size:14px}.ratio-browser-entry span{color:var(--portal-muted);font-size:10px;line-height:1.35}.ratio-browser-families{margin-top:28px}.ratio-browser-family{border-top:1px solid var(--portal-line)}.ratio-browser-family:last-child{border-bottom:1px solid var(--portal-line)}.ratio-browser-family summary{cursor:pointer;justify-content:space-between;align-items:center;gap:18px;min-height:52px;list-style:none;display:flex}.ratio-browser-family summary::-webkit-details-marker{display:none}.ratio-browser-family summary:after{content:"+";color:var(--portal-muted);order:3;font-size:18px}.ratio-browser-family[open] summary:after{content:"−"}.ratio-browser-family summary strong{text-transform:capitalize;font-size:13px}.ratio-browser-family summary span{color:var(--portal-subtle);font-variant-numeric:tabular-nums;margin-left:auto;font-size:11px}.ratio-browser-family>p{color:var(--portal-muted);margin:-2px 0 14px;font-size:12px;line-height:1.5}.ratio-browser-family>.ratio-browser-entry-grid{padding-bottom:16px}.ratio-browser-dialog :focus-visible,.ratio-browser-open:focus-visible{outline:2px solid var(--portal-a);outline-offset:3px}.compare-summary{border-left:2px solid var(--portal-mint);color:var(--portal-muted);background:color-mix(in srgb, var(--portal-mint) 7%, transparent);margin-top:18px;padding:16px;font-size:13px;line-height:1.6}.portal-final{padding:clamp(90px, 11vw, 160px) var(--portal-gutter);background:var(--portal-surface);grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);align-items:center;gap:clamp(48px,8vw,130px);display:grid}.portal-final-art{aspect-ratio:1;background:var(--portal-raised);width:min(100%,440px);box-shadow:var(--portal-shadow);border-radius:28px;place-items:center;display:grid}.portal-final-art svg{width:67%}.portal-final-copy{max-width:700px}.portal-footer{min-height:180px;color:var(--portal-muted);grid-template-columns:minmax(180px,.8fr) minmax(0,1.4fr) max-content;align-items:center;gap:clamp(24px,4vw,64px);font-size:12px;display:grid}.portal-footer p{white-space:normal;max-width:none;margin:0;line-height:1.6}.portal-footer-tag{margin:10px 0 0}.portal-footer-links{justify-items:end;gap:12px;min-width:max-content;display:grid}@media (width<=1020px){.portal-nav>a{display:none}}@media (width<=980px){.portal-hero{grid-template-columns:1fr;gap:54px;min-height:auto}.compare-hero{gap:42px}.tool-panel{max-width:720px}.portal-section-head{grid-template-columns:1fr;gap:26px}.compare-grid{grid-template-columns:1fr}.swap-button{justify-self:center;transform:rotate(90deg)}.portal-final{grid-template-columns:1fr}.portal-final-art{max-width:360px}}@media (width<=700px){.portal-header{grid-template-columns:minmax(0,1fr) auto auto;gap:10px;min-height:66px;display:grid}.portal-nav{margin-left:0}.portal-brand{font-size:16px}.portal-header-tools{gap:10px}.portal-about-link{display:none}.portal-header .portal-app-link{white-space:nowrap;min-height:40px;padding-inline:11px;font-size:11px}.portal-tools-menu-panel{width:auto;position:fixed;top:74px;left:14px;right:14px;transform:none}.portal-shell{padding-inline:20px}.portal-hero{padding-top:48px;padding-bottom:78px}.compare-hero{gap:36px;padding-top:40px;padding-bottom:62px}.compare-hero h1{font-size:clamp(48px,15vw,72px)}.compare-hero h1 br{display:block}.portal-hero h1{font-size:clamp(48px,15vw,72px)}.portal-lead{font-size:20px}.tool-panel{border-radius:20px;padding:18px}.tool-results{grid-template-columns:1fr}.golden-strip{min-height:64px}.portal-section{padding-top:74px;padding-bottom:80px}.portal-section h2,.portal-final h2{font-size:clamp(42px,13vw,62px)}.portal-facts{grid-template-columns:1fr}.portal-facts article+article{border-left:0;padding-left:0}.compare-side{padding:16px}.compare-deltas{grid-template-columns:1fr}.ratio-browser-layer{padding:12px}.ratio-browser-dialog{border-radius:18px;max-height:calc(100vh - 24px)}.ratio-browser-head{padding:20px 18px 16px}.ratio-browser-scroll{padding:18px}.ratio-browser-section-head{flex-direction:column;align-items:start;gap:5px}.ratio-browser-section-head p{text-align:left}.ratio-browser-entry-grid{grid-template-columns:1fr}.ratio-browser-entry{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;min-height:52px}.ratio-browser-entry span{text-align:right}.portal-final{padding:76px 20px}.portal-footer{grid-template-columns:1fr;align-content:center;min-height:220px}.portal-footer-links{justify-items:start}}@media (width<=380px){.tool-segmented{grid-template-columns:1fr}.compare-inputs{gap:6px}.compare-inputs input{padding-inline:8px;font-size:16px}.ratio-bar-row{grid-template-columns:16px minmax(0,1fr) 54px;gap:7px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important}}