@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-vietnamese-wght-normal.XAtsl5Q_.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-latin-ext-wght-normal.C4zznr8T.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-latin-wght-normal.E0tuGl4L.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:100;src:url(/_astro/ibm-plex-mono-latin-100-normal.DrwzzZpo.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-100-normal.1QLOUEvb.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:200;src:url(/_astro/ibm-plex-mono-latin-200-normal.Cj_OANUP.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-200-normal.DebC9F0q.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:300;src:url(/_astro/ibm-plex-mono-latin-300-normal.BRS-C4KA.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-300-normal.BPU54Tw3.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-400-normal.CvHOgSBP.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-500-normal.DSY6xOcd.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-500-normal.CB9ihrfo.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-latin-600-normal.BgSNZQsw.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-600-normal.DWFSQ4vo.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/ibm-plex-mono-latin-700-normal.7sUh57Bg.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-700-normal.CNHXzs6v.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-500-normal.DSY6xOcd.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-500-normal.CB9ihrfo.woff)format("woff")}:root{color-scheme:light;--color-paper:#eef3f2;--color-paper-deep:#dbe6e8;--color-surface:#f8fbfa;--color-surface-dark:#24363c;--color-ink:#192a31;--color-ink-soft:#4d6066;--color-ink-faint:#718287;--color-valve-blue:#0f4c61;--color-valve-blue-mid:#176a7d;--color-valve-blue-pale:#d5e7eb;--color-brass:#9c661e;--color-brass-light:#d6a44e;--color-gasket:#a63d37;--color-gasket-pale:#f2d9d6;--color-oxidized-teal:#286e6d;--color-teal-pale:#d2e7e4;--color-line:#c4d2d5;--color-line-strong:#8ea8ad;--color-grid:#0f4c6112;--color-warning-pale:#f5ead4;--color-option-faint:#f8fbfa0f;--color-option-active:#d6a44e1f;--color-footer-line:#dbe6e840;--color-footer-muted:#b5c7c9;--font-display:"Archivo Variable", "Archivo", sans-serif;--font-utility:"IBM Plex Mono", "SFMono-Regular", Consolas, monospace;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-7:2rem;--space-8:2.5rem;--space-9:3rem;--space-10:4rem;--space-11:5rem;--space-12:6rem;--content-max:75rem;--reading-max:46rem;--radius-sm:.25rem;--radius-md:.5rem;--radius-lg:.75rem;--shadow-low:0 .25rem 1rem #192a3114;--shadow-lift:0 .75rem 2rem #192a3121;--ease-out:cubic-bezier(.16, 1, .3, 1);--transition-fast:.16s var(--ease-out);--transition-standard:.24s var(--ease-out)}*,:before,:after{box-sizing:border-box}html{background:var(--color-paper);color:var(--color-ink);font-family:var(--font-display);text-rendering:optimizelegibility;scroll-behavior:smooth;font-size:100%}body{background-color:var(--color-paper);background-image:linear-gradient(var(--color-grid) 1px, transparent 1px), linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);min-width:18rem;color:var(--color-ink);background-position:top;background-size:2rem 2rem;margin:0;font-size:1rem;line-height:1.6}main{min-height:50vh;display:block}article,aside,form,nav,section{display:block}label{display:inline-block}table{border-collapse:collapse;border-spacing:0}th{text-align:start;font-weight:700}caption{text-align:start}h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin-block:0}h1,h2,h3,h4{color:var(--color-ink);letter-spacing:-.035em;font-weight:700;line-height:1.08}h1{text-wrap:balance;max-width:15ch;font-size:clamp(2.45rem,8vw,5.75rem)}h2{text-wrap:balance;font-size:clamp(1.8rem,4vw,3.25rem)}h3{font-size:clamp(1.2rem,2.4vw,1.65rem)}h4{letter-spacing:-.015em;font-size:1rem}p{max-width:var(--reading-max)}p+p{margin-block-start:var(--space-4)}strong{font-weight:700}small{font-size:.875rem}::selection{background:var(--color-brass-light);color:var(--color-ink)}:focus-visible{outline:.1875rem solid var(--color-brass-light);outline-offset:.1875rem}:disabled,[aria-disabled=true]{cursor:not-allowed;opacity:.58}button,input,select,textarea{font:inherit}button,select,summary{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,summary:focus-visible{outline-offset:.25rem}img,svg{max-width:100%}img{height:auto;display:block}a{color:var(--color-valve-blue);text-decoration-color:var(--color-brass-light);text-underline-offset:.2em;transition:color var(--transition-fast), text-decoration-color var(--transition-fast);text-decoration-thickness:.1em}a:hover{color:var(--color-valve-blue-mid);text-decoration-color:var(--color-brass)}hr{height:1px;margin:var(--space-8) 0;background:var(--color-line);border:0}ul,ol{padding-inline-start:1.4em}code,kbd,pre,samp{font-family:var(--font-utility);font-size:.9em}code,kbd{border:1px solid var(--color-line);border-radius:var(--radius-sm);background:var(--color-paper-deep);padding:.1em .3em}pre{border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-surface-dark);color:var(--color-paper);padding:var(--space-5);overflow-x:auto}fieldset{border:0;min-inline-size:0;margin:0;padding:0}legend{padding:0}summary{color:var(--color-ink);font-weight:700}.container{width:min(calc(100% - (var(--space-5) * 2)), var(--content-max));margin-inline:auto}.skip-link{z-index:100;top:var(--space-3);left:var(--space-3);transform:translateY(calc(-100% - var(--space-4)));border:2px solid var(--color-brass-light);border-radius:var(--radius-sm);background:var(--color-ink);color:var(--color-surface);padding:var(--space-3) var(--space-4);font-family:var(--font-utility);letter-spacing:.03em;transition:transform var(--transition-fast);font-size:.8rem;font-weight:500;text-decoration:none;position:fixed}.skip-link:focus{color:var(--color-surface);transform:translateY(0)}.eyebrow{color:var(--color-oxidized-teal);font-family:var(--font-utility);letter-spacing:.14em;text-transform:uppercase;font-size:.7rem;font-weight:500;line-height:1.3;display:block}.eyebrow:before{width:1.75rem;height:.15rem;background:var(--color-brass);content:"";vertical-align:middle;margin-inline-end:var(--space-2);display:inline-block}.button{justify-content:center;align-items:center;gap:var(--space-2);border:2px solid var(--color-valve-blue);border-radius:var(--radius-sm);background:var(--color-valve-blue);min-block-size:2.75rem;color:var(--color-surface);padding:var(--space-3) var(--space-5);font-family:var(--font-utility);letter-spacing:.035em;text-align:center;transition:background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);font-size:.78rem;font-weight:500;line-height:1.2;text-decoration:none;display:inline-flex}.button:hover{border-color:var(--color-valve-blue-mid);background:var(--color-valve-blue-mid);color:var(--color-surface);box-shadow:var(--shadow-low);transform:translateY(-1px)}.button:active{transform:translateY(0)}.button--secondary{border-color:var(--color-line-strong);color:var(--color-valve-blue);background:0 0}.button--secondary:hover{border-color:var(--color-valve-blue);background:var(--color-valve-blue-pale);color:var(--color-valve-blue)}.button--quiet{color:var(--color-valve-blue);padding-inline:var(--space-2);background:0 0;border-color:#0000}.button--quiet:hover{border-color:var(--color-line);background:var(--color-surface);color:var(--color-valve-blue)}.button--small{min-block-size:2.35rem;padding:var(--space-2) var(--space-4);font-size:.7rem}.hero{border-bottom:1px solid var(--color-line);padding-block:clamp(var(--space-9), 10vw, var(--space-12));position:relative;overflow:hidden}.hero:after{top:0;right:clamp(var(--space-6), 10vw, var(--space-12));background:var(--color-line);content:"";opacity:.8;width:1px;position:absolute;bottom:0}.hero__content,.hero__visual{z-index:1;position:relative}.hero__grid{gap:var(--space-8);display:grid}.hero__directory-note{border-inline-start:3px solid var(--color-brass);background:var(--color-surface);padding:var(--space-6);align-self:stretch}.hero__directory-note strong{color:var(--color-valve-blue);font-family:var(--font-utility);letter-spacing:.05em;text-transform:uppercase;font-size:.8rem;font-weight:500;display:block}.hero__directory-note p{color:var(--color-ink-soft);margin-block-start:var(--space-3);font-size:.92rem}.section--ruled{border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line)}.section--answer{background:var(--color-surface)}.section--sources{background:var(--color-paper-deep)}.section--related{background:var(--color-surface)}.narrow{width:min(calc(100% - (var(--space-5) * 2)), var(--reading-max));margin-inline:auto}.hero__content{align-items:flex-start;gap:var(--space-6);flex-direction:column;display:flex}.hero__content .hero__summary{max-width:37rem;color:var(--color-ink-soft);font-size:clamp(1.05rem,2vw,1.25rem);line-height:1.55}.hero__actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.hero__visual{margin-block-start:var(--space-8)}.section{padding-block:clamp(var(--space-9), 8vw, var(--space-12))}.section+.section{border-top:1px solid var(--color-line)}.section--tint{background:var(--color-paper-deep)}.section--dark{background:var(--color-surface-dark);color:var(--color-paper)}.section--dark h2,.section--dark h3,.section--dark h4{color:var(--color-surface)}.section--dark p{color:var(--color-paper-deep)}.section-heading{gap:var(--space-4);margin-block-end:var(--space-7);display:grid}.section-heading p:not(.eyebrow){color:var(--color-ink-soft);font-size:1.05rem}.section--dark .section-heading p:not(.eyebrow){color:var(--color-paper-deep)}.section--dark .eyebrow{color:var(--color-brass-light)}.section-heading--split{grid-template-columns:minmax(0,1fr) auto;align-items:end}.card-grid{gap:var(--space-4);display:grid}.card{gap:var(--space-4);border:1px solid var(--color-line);border-top:3px solid var(--color-valve-blue);border-radius:var(--radius-md);background:var(--color-surface);min-height:100%;padding:var(--space-6);box-shadow:var(--shadow-low);flex-direction:column;display:flex}.card:hover{border-color:var(--color-line-strong);box-shadow:var(--shadow-lift)}.card p{color:var(--color-ink-soft)}.card__meta{color:var(--color-ink-faint);font-family:var(--font-utility);letter-spacing:.035em;margin-block-start:auto;font-size:.72rem}.card--link{color:inherit;transition:border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);text-decoration:none}.card--link:hover{color:inherit;transform:translateY(-2px)}.card--link h2,.card--link h3,.card--link h4{color:var(--color-ink)}.card__kind{color:var(--color-oxidized-teal);font-family:var(--font-utility);letter-spacing:.1em;text-transform:uppercase;font-size:.68rem;font-weight:500}.result-card__meta{color:var(--color-ink-faint);font-family:var(--font-utility);letter-spacing:.025em;margin-block-start:auto;font-size:.68rem}.card__action{align-items:center;gap:var(--space-2);color:var(--color-valve-blue);font-family:var(--font-utility);font-size:.72rem;font-weight:500;display:inline-flex}.card__action span{color:var(--color-brass);transition:transform var(--transition-fast)}.card--link:hover .card__action span{transform:translate(.25rem)}.guidance-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.guidance-list li{border-bottom:1px solid var(--color-line);padding-block:var(--space-3);color:var(--color-ink-soft)}.decision-note{gap:var(--space-3);display:grid}.decision-note strong{color:var(--color-valve-blue)}.decision-note p{color:var(--color-ink-soft);font-size:.9rem}.fact-grid{gap:var(--space-4);display:grid}.fact-card{border-inline-start:3px solid var(--color-brass);background:var(--color-surface);padding:var(--space-5)}.fact-card dt{color:var(--color-ink-soft);font-family:var(--font-utility);letter-spacing:.07em;text-transform:uppercase;font-size:.7rem;font-weight:500}.fact-card dd{margin:var(--space-2) 0 0;color:var(--color-valve-blue);font-size:1.25rem;font-weight:700;line-height:1.2}.fact-card p{color:var(--color-ink-soft);margin-block-start:var(--space-3);font-size:.86rem}.fact-card__value{color:var(--color-valve-blue);font-family:var(--font-utility);font-size:clamp(1.25rem,3vw,1.8rem);font-weight:500;line-height:1.15;display:block}.fact-card__label{color:var(--color-ink-soft);margin-block-start:var(--space-2);font-size:.9rem;display:block}.content-layout{gap:var(--space-8);display:grid}.content-main{min-width:0;max-width:var(--reading-max)}.content-main>*+*{margin-block-start:var(--space-6)}.content-main h2{margin-block-start:var(--space-9)}.content-main h3{margin-block-start:var(--space-7)}.content-main ul,.content-main ol{color:var(--color-ink-soft)}.sidebar{border:1px solid var(--color-line);border-top:3px solid var(--color-brass);border-radius:var(--radius-md);background:var(--color-surface);padding:var(--space-5);align-self:start}.sidebar__panel+.sidebar__panel{border-top:1px solid var(--color-line);margin-block-start:var(--space-6);padding-block-start:var(--space-6)}.sidebar__panel h2{margin-block:var(--space-3) var(--space-4);font-size:1.25rem}.sidebar__panel--warning{margin-inline:calc(var(--space-5) * -1);border-top:1px solid var(--color-gasket);background:var(--color-gasket-pale);padding:var(--space-5);margin-block-end:calc(var(--space-5) * -1)}.sidebar__panel--warning .eyebrow{color:var(--color-gasket)}.sidebar__panel ul{gap:var(--space-2);color:var(--color-ink-soft);margin:0;padding-inline-start:1.15em;font-size:.88rem;display:grid}.sidebar__title{color:var(--color-ink);font-family:var(--font-utility);letter-spacing:.08em;text-transform:uppercase;margin-block-end:var(--space-3);font-size:.72rem;font-weight:500}.sidebar nav ul,.sidebar__links{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.sidebar a{padding-block:var(--space-2);font-size:.92rem;display:block}.breadcrumb{border-bottom:1px solid var(--color-line);padding-block:var(--space-4)}.breadcrumb ol{align-items:center;gap:var(--space-2);color:var(--color-ink-faint);font-family:var(--font-utility);letter-spacing:.025em;flex-wrap:wrap;margin:0;padding:0;font-size:.7rem;list-style:none;display:flex}.breadcrumb li{align-items:center;gap:var(--space-2);display:inline-flex}.breadcrumb li+li:before{color:var(--color-brass);content:"/"}.breadcrumb a{color:var(--color-ink-soft)}.status{align-items:flex-start;gap:var(--space-3);border:1px solid var(--color-line-strong);border-inline-start:4px solid var(--color-valve-blue);border-radius:var(--radius-sm);background:var(--color-valve-blue-pale);color:var(--color-ink);padding:var(--space-4) var(--space-5);display:flex}.status:before{background:var(--color-valve-blue);content:"";border-radius:50%;flex:none;width:.7rem;height:.7rem;margin-block-start:.35rem}.status--success{border-inline-start-color:var(--color-oxidized-teal);background:var(--color-teal-pale)}.status--success:before{background:var(--color-oxidized-teal)}.status--warning{border-inline-start-color:var(--color-brass);background:var(--color-warning-pale)}.status--warning:before{background:var(--color-brass)}.status--error{border-inline-start-color:var(--color-gasket);background:var(--color-gasket-pale)}.status--error:before{background:var(--color-gasket)}.steps{gap:var(--space-5);counter-reset:repair-step;margin:0;padding:0;list-style:none;display:grid}.steps>li{gap:var(--space-4);counter-increment:repair-step;grid-template-columns:2.75rem minmax(0,1fr);display:grid;position:relative}.steps>li:before{border:1px solid var(--color-brass);background:var(--color-paper);width:2.75rem;height:2.75rem;color:var(--color-brass);content:counter(repair-step, decimal-leading-zero);font-family:var(--font-utility);border-radius:50%;place-items:center;font-size:.72rem;font-weight:500;display:grid}.steps>li:not(:last-child):after{top:2.75rem;bottom:calc(var(--space-5) * -1);background:var(--color-line);content:"";width:1px;position:absolute;left:1.35rem}.steps h3{margin-block-end:var(--space-2);font-size:1.1rem}.steps p{color:var(--color-ink-soft)}.faq{border-top:1px solid var(--color-line)}.faq details{border-bottom:1px solid var(--color-line);padding-block:var(--space-4)}.faq summary{justify-content:space-between;align-items:baseline;gap:var(--space-5);list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{color:var(--color-brass);content:"+";font-family:var(--font-utility);flex:none;font-size:1.25rem;font-weight:400}.faq details[open] summary:after{content:"−"}.faq details>p{color:var(--color-ink-soft);margin-block-start:var(--space-4)}.source-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.source-list li{gap:var(--space-3);border-bottom:1px solid var(--color-line);padding-block:var(--space-3);grid-template-columns:auto minmax(0,1fr);align-items:baseline;display:grid}.source-list__type{color:var(--color-oxidized-teal);font-family:var(--font-utility);letter-spacing:.08em;text-transform:uppercase;font-size:.68rem;font-weight:500}.source-list a{overflow-wrap:anywhere}.tool-panel{border:1px solid var(--color-valve-blue-mid);border-radius:var(--radius-lg);background:var(--color-surface-dark);color:var(--color-paper);padding:clamp(var(--space-5), 4vw, var(--space-8));box-shadow:var(--shadow-lift)}.tool-panel h2,.tool-panel h3{color:var(--color-surface)}.tool-panel p{color:var(--color-paper-deep)}.tool-panel label,.tool-panel legend{color:var(--color-paper)}.tool-panel .eyebrow{color:var(--color-brass-light)}.tool-panel .button--secondary{border-color:var(--color-line-strong);color:var(--color-paper)}.tool-panel .button--secondary:hover{border-color:var(--color-brass-light);background:var(--color-option-active);color:var(--color-paper)}.tool-progress{gap:var(--space-2);margin-block:var(--space-6);display:grid}.tool-progress[aria-label]{padding-block-end:var(--space-3);position:relative}.tool-progress[aria-label]:before{border:1px solid var(--color-line-strong);border-radius:var(--radius-sm);background:var(--color-surface);content:"";height:.55rem;position:absolute;bottom:0;left:0;right:0}.tool-progress[aria-label]>strong{color:var(--color-paper);font-family:var(--font-utility);font-size:.7rem;font-weight:500}.tool-progress[aria-label]>span:not([data-progress-bar]){color:var(--color-paper-deep);font-size:.82rem}.tool-progress[aria-label]>[data-progress-bar]{z-index:1;bottom:var(--space-1);border-radius:var(--radius-sm);background:var(--color-brass-light);height:.3rem;transition:width var(--transition-standard);position:absolute;left:0}.tool-progress__meta{justify-content:space-between;gap:var(--space-4);color:var(--color-paper-deep);font-family:var(--font-utility);font-size:.7rem;display:flex}.tool-progress__track{border:1px solid var(--color-line-strong);border-radius:var(--radius-sm);background:var(--color-surface);height:.55rem;overflow:hidden}.tool-progress__value{background:var(--color-brass-light);height:100%;transition:width var(--transition-standard);display:block}.tool-options{gap:var(--space-3);margin-block:var(--space-5);display:grid}.tool-options__option{align-items:flex-start;gap:var(--space-3);border:1px solid var(--color-line-strong);border-radius:var(--radius-md);background:var(--color-option-faint);padding:var(--space-4);color:var(--color-paper);display:flex}.tool-options__option:has(input:checked){border-color:var(--color-brass-light);background:var(--color-option-active)}.tool-options input{accent-color:var(--color-brass-light);margin-block-start:.25rem}.tool-options>label{gap:var(--space-2);display:grid}.tool-options>label>span{color:var(--color-paper-deep);font-family:var(--font-utility);letter-spacing:.04em;text-transform:uppercase;font-size:.7rem}.tool-options select{border:1px solid var(--color-line-strong);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;min-height:2.75rem;color:var(--color-ink);padding:var(--space-2) var(--space-3)}.search-field{gap:var(--space-2);display:grid;position:relative}.search-field>label{color:var(--color-paper-deep);font-family:var(--font-utility);letter-spacing:.04em;text-transform:uppercase;font-size:.7rem}.search-field__row{gap:var(--space-3);align-items:center;display:grid}.search-field input{border:2px solid var(--color-line-strong);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;min-height:3.2rem;color:var(--color-ink);padding:var(--space-3) var(--space-4)}.search-field input::placeholder{color:var(--color-ink-faint)}.search-field input:focus{border-color:var(--color-brass);outline:.1875rem solid var(--color-brass-light);outline-offset:.15rem}.search-field__hint{right:var(--space-3);color:var(--color-ink-faint);font-family:var(--font-utility);pointer-events:none;font-size:.68rem;position:absolute}.result-grid{gap:var(--space-4);display:grid}.tool-panel__actions{align-items:center;gap:var(--space-4);margin-block:var(--space-6);flex-wrap:wrap;display:flex}.tool-panel__actions a{color:var(--color-paper-deep);font-size:.86rem}.identifier-results{border-top:1px solid var(--color-line-strong);margin-block-start:var(--space-8);padding-block-start:var(--space-6)}.identifier-results__heading{justify-content:space-between;align-items:end;gap:var(--space-4);flex-wrap:wrap;margin-block-end:var(--space-5);display:flex}.identifier-results__heading h3{color:var(--color-surface);margin-block-start:var(--space-2);font-size:1.35rem}.identifier-results__heading>span{color:var(--color-brass-light);font-family:var(--font-utility);font-size:.7rem}.identifier-results .card{border-color:var(--color-line-strong);background:var(--color-option-faint)}.identifier-results .card--link h4,.identifier-results .card--link p{color:var(--color-paper)}.identifier-results .result-card__meta{color:var(--color-paper-deep)}.identifier-results .card__action{color:var(--color-brass-light)}.identifier-empty{border:1px solid var(--color-gasket);border-radius:var(--radius-md);background:var(--color-gasket-pale);color:var(--color-ink);padding:var(--space-6);margin-block-start:var(--space-5)}.identifier-empty h3{color:var(--color-gasket);font-size:1.25rem}.identifier-empty p{color:var(--color-ink-soft);margin-block-start:var(--space-3)}.identifier-empty__actions{gap:var(--space-3);flex-wrap:wrap;margin-block-start:var(--space-5);display:flex}.result-grid__empty{border:1px dashed var(--color-line-strong);background:var(--color-paper-deep);padding:var(--space-7);text-align:center}.table-wrap{border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-surface);overflow-x:auto}.table-wrap table{border-collapse:collapse;width:100%;min-width:38rem;font-size:.92rem}.table-wrap caption{padding:var(--space-4);color:var(--color-ink-soft);font-family:var(--font-utility);text-align:start;text-transform:uppercase;letter-spacing:.06em;font-size:.7rem}.table-wrap th,.table-wrap td{border-bottom:1px solid var(--color-line);padding:var(--space-4) var(--space-5);text-align:start;vertical-align:top}.table-wrap th{background:var(--color-paper-deep);color:var(--color-ink);font-family:var(--font-utility);letter-spacing:.05em;text-transform:uppercase;font-size:.7rem;font-weight:500}.table-wrap tr:last-child td{border-bottom:0}.site-header{z-index:20;border-bottom:1px solid var(--color-line);background:color-mix(in srgb, var(--color-paper) 94%, transparent);backdrop-filter:blur(.5rem);position:sticky;top:0;box-shadow:0 .125rem .8rem #192a310a}.site-header__inner{align-items:center;column-gap:var(--space-5);min-height:4.5rem;padding-block:var(--space-3);flex-wrap:wrap;display:flex}.brand-mark{align-items:center;gap:var(--space-3);color:var(--color-ink);flex:none;text-decoration:none;display:inline-flex}.brand-mark:hover{color:var(--color-ink)}.brand-mark__icon{width:2.45rem;height:2.45rem;display:block}.brand-mark__plate{fill:var(--color-valve-blue)}.brand-mark__line{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2.3px}.brand-mark__accent{fill:var(--color-brass-light)}.brand-mark__name{color:currentColor;letter-spacing:-.03em;flex-direction:column;font-size:.96rem;font-weight:700;line-height:.95;display:inline-flex}.brand-mark__name strong{color:var(--color-valve-blue);font-weight:700}.site-nav{scrollbar-width:thin;order:3;width:100%;min-width:0;overflow-x:auto}.site-nav__list{align-items:center;gap:var(--space-5);min-width:max-content;padding:var(--space-2) 0 var(--space-1);margin:0;list-style:none;display:flex}.site-nav__link{color:var(--color-ink-soft);font-family:var(--font-utility);letter-spacing:.02em;white-space:nowrap;font-size:.7rem;font-weight:500;text-decoration:none;display:inline-block;position:relative}.site-nav__link:after{background:var(--color-brass);content:"";transform-origin:100%;height:2px;transition:transform var(--transition-fast);position:absolute;bottom:-.45rem;left:0;right:0;transform:scaleX(0)}.site-nav__link:hover,.site-nav__link[aria-current=page]{color:var(--color-valve-blue)}.site-nav__link:hover:after,.site-nav__link[aria-current=page]:after{transform-origin:0;transform:scaleX(1)}.site-header__cta{margin-inline-start:auto}.site-footer{border-top:.25rem solid var(--color-brass);background:var(--color-ink);color:var(--color-paper-deep);padding-block:var(--space-10) var(--space-6)}.site-footer .brand-mark{color:var(--color-surface)}.site-footer .brand-mark__name strong{color:var(--color-brass-light)}.site-footer__grid{gap:var(--space-8);display:grid}.site-footer__intro{align-content:start;gap:var(--space-4);display:grid}.site-footer__intro p{max-width:28rem;color:var(--color-paper-deep);font-size:.95rem}.site-footer__links{gap:var(--space-7);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.site-footer__links h2{color:var(--color-brass-light);font-family:var(--font-utility);letter-spacing:.12em;text-transform:uppercase;margin-block-end:var(--space-3);font-size:.68rem;font-weight:500}.site-footer__links ul{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.site-footer__links a{color:var(--color-paper-deep);text-decoration-color:var(--color-line-strong);font-size:.9rem}.site-footer__links a:hover{color:var(--color-surface);text-decoration-color:var(--color-brass-light)}.site-footer__bar{justify-content:space-between;gap:var(--space-4);border-top:1px solid var(--color-footer-line);color:var(--color-footer-muted);font-family:var(--font-utility);letter-spacing:.025em;flex-wrap:wrap;margin-block-start:var(--space-9);padding-block-start:var(--space-4);font-size:.65rem;display:flex}.site-footer__bar p{max-width:48rem}.measure-rail{align-items:center;gap:var(--space-2) var(--space-5);border-top:1px solid var(--color-line-strong);border-bottom:1px solid var(--color-line-strong);color:var(--color-ink-soft);padding-block:var(--space-3);font-family:var(--font-utility);letter-spacing:.04em;text-transform:uppercase;flex-wrap:wrap;font-size:.68rem;display:flex}.measure-rail__title{color:var(--color-valve-blue);font-weight:500}.measure-rail__item{align-items:center;gap:var(--space-2);display:inline-flex}.measure-rail__item:before{background:var(--color-brass);content:"";border-radius:50%;width:.35rem;height:.35rem}.part-schematic{gap:var(--space-4);margin:0;display:grid}.part-schematic__frame{border:1px solid var(--color-line-strong);border-radius:var(--radius-lg);background:var(--color-paper-deep);box-shadow:var(--shadow-lift);overflow:hidden}.part-schematic svg{width:100%;height:auto;display:block}.schematic__paper{fill:var(--color-paper-deep)}.schematic__grid{fill:none;stroke:var(--color-line);stroke-width:1px}.schematic__grid--major{stroke:var(--color-line-strong);stroke-width:1.25px}.schematic__axis,.schematic__tick,.schematic__callout{fill:none;stroke:var(--color-valve-blue);stroke-linecap:square;stroke-width:1.5px}.schematic__tick{stroke:var(--color-brass);stroke-width:2px}.schematic__callout{stroke:var(--color-oxidized-teal);stroke-dasharray:4 4}.schematic__body{fill:var(--color-surface);stroke:var(--color-valve-blue);stroke-width:2.5px}.schematic__metal{fill:var(--color-valve-blue-pale);stroke:var(--color-valve-blue);stroke-width:2px}.schematic__seal{fill:var(--color-gasket-pale);stroke:var(--color-gasket);stroke-width:2px}.schematic__brass{fill:var(--color-brass-light);stroke:var(--color-brass);stroke-width:2px}.schematic__teal{fill:var(--color-teal-pale);stroke:var(--color-oxidized-teal);stroke-width:2px}.schematic__label{fill:var(--color-ink-soft);font-family:var(--font-utility);letter-spacing:.08em;font-size:10px}.schematic__label--strong{fill:var(--color-valve-blue);font-weight:500}.schematic__dimension{fill:var(--color-brass);font-family:var(--font-utility);letter-spacing:.05em;font-size:9px;font-weight:500}.schematic__port{fill:var(--color-surface);stroke:var(--color-oxidized-teal);stroke-width:2px}.schematic__centerline{stroke:var(--color-gasket);stroke-dasharray:5 4;stroke-width:1px}.part-schematic__caption{gap:var(--space-3);display:grid}.prose{max-width:var(--reading-max)}.prose>*+*{margin-block-start:var(--space-5)}.prose h2{margin-block-start:var(--space-10)}.prose h3{margin-block-start:var(--space-8)}.prose a{font-weight:500}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width>=40rem){.container{width:min(calc(100% - (var(--space-7) * 2)), var(--content-max))}.card-grid,.fact-grid,.result-grid,.tool-options{grid-template-columns:repeat(2,minmax(0,1fr))}.search-field__row{grid-template-columns:minmax(0,1fr) auto}}@media (width>=48rem){.hero{min-height:37rem}.hero__grid{align-items:center;gap:clamp(var(--space-8), 8vw, var(--space-12));grid-template-columns:minmax(0,1.08fr) minmax(20rem,.92fr)}.hero__visual{margin-block-start:0}.section-heading{align-items:end;gap:var(--space-8);grid-template-columns:minmax(0,.95fr) minmax(16rem,.7fr)}.content-layout{grid-template-columns:minmax(0,1fr) minmax(15rem,18rem);align-items:start}.sidebar{position:sticky;top:6.5rem}.site-footer__grid{grid-template-columns:minmax(0,1.2fr) minmax(22rem,.8fr);align-items:start}}@media (width>=64rem){.site-header__inner{flex-wrap:nowrap;min-height:4.5rem;padding-block:0}.site-nav{order:initial;width:auto;margin-inline:auto;overflow:visible}.site-nav__list{gap:var(--space-6);padding-block:0}.site-header__cta{margin-inline-start:0}.fact-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.hero--home h1 span{color:var(--color-valve-blue-mid)}.hero--home .hero__visual{position:relative}.hero--home .hero__visual>.measure-rail{margin-block-start:var(--space-3)}.hero__stats{width:100%;border-block:1px solid var(--color-line-strong);grid-template-columns:repeat(3,minmax(0,1fr));margin-block-start:var(--space-7);display:grid}.hero__stats>div{padding:var(--space-4) var(--space-3)}.hero__stats>div+div{border-inline-start:1px solid var(--color-line)}.hero__stats dt{color:var(--color-valve-blue);font-family:var(--font-utility);font-size:clamp(1.35rem,3vw,2rem);font-weight:500}.hero__stats dd{margin:var(--space-1) 0 0;color:var(--color-ink-soft);font-size:.75rem;line-height:1.35}.direct-answer{max-width:52rem;color:var(--color-valve-blue);font-size:clamp(1.25rem,2.6vw,1.8rem);font-weight:620;line-height:1.45}.status__dot{display:none}.section--blueprint{background:linear-gradient(#f8fbfaf5, #f8fbfaf5), repeating-linear-gradient(0deg, var(--color-line) 0 1px, transparent 1px 1.5rem)}.section--cta{padding-block:var(--space-8);background:var(--color-surface-dark)}.cta-panel{justify-content:space-between;align-items:center;gap:var(--space-7);flex-wrap:wrap;display:flex}.cta-panel h2,.cta-panel p{color:var(--color-paper)}.cta-panel .eyebrow{color:var(--color-brass-light)}.lede{color:var(--color-ink-soft);font-size:clamp(1.08rem,2vw,1.3rem)}.process-grid{gap:var(--space-4);margin:var(--space-8) 0 0;padding:0;list-style:none;display:grid}.process-grid li{border-top:3px solid var(--color-valve-blue);background:var(--color-surface);padding:var(--space-6);box-shadow:var(--shadow-low);position:relative}.process-grid__number{color:var(--color-brass);font-family:var(--font-utility);letter-spacing:.1em;margin-block-end:var(--space-7);font-size:.8rem;display:block}.process-grid p{color:var(--color-ink-soft);margin-block-start:var(--space-3)}.brand-grid{gap:var(--space-3);margin-block-start:var(--space-7);display:grid}.brand-card{align-items:center;gap:var(--space-5);border-bottom:1px solid var(--color-line);padding:var(--space-5);color:inherit;transition:background var(--transition-fast), transform var(--transition-fast);grid-template-columns:minmax(7rem,.45fr) minmax(0,1fr);text-decoration:none;display:grid}.brand-card:hover{background:var(--color-surface);transform:translate(.25rem)}.brand-card>span{color:var(--color-valve-blue);font-size:1.2rem;font-weight:760}.brand-card p{color:var(--color-ink-soft);font-size:.9rem}.brand-card strong{color:var(--color-brass);font-family:var(--font-utility);letter-spacing:.04em;text-transform:uppercase;grid-column:2;font-size:.72rem}.blueprint-note{border-color:var(--color-gasket)}.blueprint-note h3{margin-block:var(--space-3)}.card-grid--directory .card h2{font-size:clamp(1.15rem,2vw,1.45rem)}.result-card__meta{color:var(--color-ink-faint);font-family:var(--font-utility);margin-block-start:auto;padding-block-start:var(--space-3);font-size:.68rem;line-height:1.5;display:block}.identifier-empty__actions{align-items:center;gap:var(--space-4);flex-wrap:wrap;margin-block-start:var(--space-5);display:flex}.hero--directory,.hero--record,.hero--not-found{min-height:auto}@media (width>=40rem){.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-card{grid-template-columns:1fr;align-content:start}.brand-card strong{grid-column:1}.process-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=64rem){.brand-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.card-grid--directory{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}