@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-cyrillic-ext-400-normal.g30qAdWV.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-400-normal.Dsrv2Tcn.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-cyrillic-400-normal.DZqxrq2p.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-400-normal.BTotfTJu.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-greek-400-normal._efipK4i.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-400-normal.D9ESIMu3.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-vietnamese-400-normal.DG4YqDda.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-400-normal.fK1oJ5dG.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-latin-ext-400-normal.C5H60-Va.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-400-normal.RBey6euL.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-latin-400-normal.CDDApCn2.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-400-normal.CYLoc0-x.woff)format("woff");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 Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-cyrillic-ext-500-normal.Cs5J6C77.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-500-normal.DB5PtV2g.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-cyrillic-500-normal.CocWQlwt.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-500-normal.ByOcLdNv.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-greek-500-normal.JMMifIXV.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-500-normal.CuWXN6rf.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-vietnamese-500-normal.e4dixQRQ.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-500-normal.BEb3_waV.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-latin-ext-500-normal.DakdToA3.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-500-normal.D0aIdm-b.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-latin-500-normal.6ng42L7E.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-500-normal.BgVn5rGT.woff)format("woff");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 Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-cyrillic-ext-600-normal.DUMzJB7m.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-600-normal.Bz0x94Yp.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-cyrillic-600-normal.71GNu3SW.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-600-normal.BGq0mW3O.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-greek-600-normal.DzTrcv_p.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-600-normal.D-CqTdkO.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-vietnamese-600-normal.DpPYBSTl.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-600-normal.DgdngZtN.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-latin-ext-600-normal.DOrvGEcy.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-600-normal.DIrixKbi.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-latin-600-normal.CuJfVYMP.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-600-normal.Cu4Hd6ag.woff)format("woff");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:400;src:url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.xuaO2J-f.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.DMdlQ8Kv.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-cyrillic-400-normal.BSMlKf0J.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-400-normal.CEL4l2ZJ.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-vietnamese-400-normal.BulugwFq.woff2)format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-400-normal.DDuiU_S-.woff)format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-ext-400-normal.BmRBH3aV.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-400-normal.D3D2R8hC.woff)format("woff");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: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");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:500;src:url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BqneJy0T.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BIfNGwUT.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-cyrillic-500-normal.Bq9vWWag.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-500-normal.Ael50iVv.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-vietnamese-500-normal.DZ4AoWbu.woff2)format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-500-normal.C8zxqsMH.woff)format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-ext-500-normal.CAhNIIs5.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-500-normal.CZ70TYgx.woff)format("woff");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: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");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}:root{--navy-950:#041831;--navy-900:#06203f;--navy-800:#0a2a4f;--navy-700:#0f3a6b;--grid-minor:#8cc4ff12;--grid-major:#8cc4ff24;--sky:#8cc4ff;--sky-dim:#8cc4ffbd;--ice:#e8f2ff;--amber:#ffc45c;--amber-deep:#f5a524;--pass:#4ade9b;--block:#ff7a6b;--paper:#f3f6fa;--paper-grid:#0f3a6b0b;--card:#fff;--ink:#0e2240;--muted:#56657a;--rule:#d7e0ec;--blue:#1d64d0;--blue-soft:#e7f0fc;--radius:12px;--mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--ease:cubic-bezier(.2, .8, .2, 1);color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);margin:0}a{color:var(--blue);text-underline-offset:3px}.wrap{max-width:1160px;margin:0 auto;padding:0 16px}[hidden]{display:none!important}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.blueprint{color:var(--ice);background-color:var(--navy-800);background-image:linear-gradient(var(--grid-major) 1px, transparent 1px), linear-gradient(90deg, var(--grid-major) 1px, transparent 1px), linear-gradient(var(--grid-minor) 1px, transparent 1px), linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);background-position:-1px -1px;background-size:120px 120px,120px 120px,24px 24px,24px 24px;position:relative;overflow:hidden}.blueprint:after{content:"";pointer-events:none;background:radial-gradient(at 70% 0,#1d64d059,#0000 60%);position:absolute;inset:0}.blueprint>*{z-index:1;position:relative}.blueprint a{color:var(--ice)}.site-header{border-bottom:1px solid var(--grid-major)}.header-inner{flex-wrap:wrap;align-items:center;gap:12px 32px;min-height:64px;display:flex}.logo{align-items:center;gap:10px;text-decoration:none;display:inline-flex}.logo .logo-mark{transition:transform .4s var(--ease)}.logo:hover .logo-mark{transform:rotate(-8deg)scale(1.06)}.wordmark{letter-spacing:-.01em;color:var(--ice);font-size:1.2rem;font-weight:600}.wordmark b{color:var(--amber);font-weight:600}.main-nav{flex-wrap:wrap;gap:2px 22px;margin-left:auto;font-size:.92rem;display:flex}.main-nav a{color:var(--sky);padding:6px 0;text-decoration:none;transition:color .2s;position:relative}.main-nav a:after{content:"";background:var(--amber);transform-origin:0;height:2px;transition:transform .3s var(--ease);position:absolute;bottom:2px;left:0;right:0;transform:scaleX(0)}.main-nav a:hover,.main-nav a[aria-current=page]{color:#fff}.main-nav a:hover:after,.main-nav a[aria-current=page]:after{transform:scaleX(1)}.hero{padding-top:36px;padding-bottom:48px}.hero:empty{padding:0}.kicker{font:500 .72rem/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--sky);display:inline-block}.hero h1{letter-spacing:-.02em;color:#fff;margin:10px 0 12px;font-size:clamp(2rem,4.4vw,3.1rem);font-weight:600;line-height:1.08}.hero h1 em{color:var(--amber);font-style:normal}.hero .lead{color:var(--sky);max-width:680px;margin:0 0 28px;font-size:1.1rem}.hero .breadcrumb{font:.8rem var(--mono);color:var(--sky-dim)}.hero .breadcrumb a{color:var(--sky)}.calc{backdrop-filter:blur(6px);background:#0418319e;border:1px solid #8cc4ff47;border-radius:18px;padding:22px;position:relative;box-shadow:0 30px 80px -30px #0009}.calc:before,.calc:after{content:"";border:2px solid var(--amber);pointer-events:none;width:18px;height:18px;position:absolute}.calc:before{border-bottom:0;border-right:0;top:-7px;left:-7px}.calc:after{border-top:0;border-left:0;bottom:-7px;right:-7px}.calc-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:28px;display:grid}.seg{background:#8cc4ff14;border:1px solid #8cc4ff2e;border-radius:999px;grid-template-columns:repeat(3,1fr);margin-bottom:22px;padding:4px;display:grid;position:relative}.seg-thumb{background:var(--ice);width:calc(33.3333% - 2.66667px);transition:transform .45s var(--ease);transform:translateX(calc(var(--i,0) * 100%));border-radius:999px;position:absolute;top:4px;bottom:4px;left:4px}.seg button{z-index:1;cursor:pointer;font:500 .88rem var(--sans);color:var(--sky);background:0 0;border:0;border-radius:999px;padding:9px 6px;transition:color .3s;position:relative}.seg button[aria-selected=true]{color:var(--navy-900)}.seg button:hover:not([aria-selected=true]){color:#fff}.panel[hidden]{display:none}.panel{animation:rise .45s var(--ease)}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.lbl{font:500 .72rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--sky);justify-content:space-between;align-items:baseline;margin-bottom:6px;display:flex}.lbl span{letter-spacing:.04em;text-transform:none;color:var(--sky-dim)}.num-row{align-items:center;gap:10px;display:flex}.num-box{border-bottom:2px solid #8cc4ff59;flex:1;align-items:baseline;gap:8px;min-width:0;transition:border-color .25s;display:flex}.num-box:focus-within{border-color:var(--amber)}.num{color:#fff;width:100%;min-width:0;font:500 clamp(2.2rem, 4vw, 2.9rem)/1.1 var(--mono);letter-spacing:-.02em;-moz-appearance:textfield;appearance:textfield;background:0 0;border:0;outline:0;flex:1;padding:2px 0 6px}.num::-webkit-outer-spin-button,.num::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.num.is-long{font-size:clamp(1rem,2vw,1.45rem)}.input-detail{font:.75rem/1.5 var(--mono);color:var(--sky);overflow-wrap:anywhere;margin:8px 0 0}.num-unit{font:500 1rem var(--mono);color:var(--sky)}.step{width:46px;height:46px;color:var(--ice);font:400 1.5rem/1 var(--mono);cursor:pointer;background:#8cc4ff0f;border:1px solid #8cc4ff59;border-radius:50%;flex:none;place-items:center;transition:background .2s,border-color .2s,transform .12s;display:grid}.step:hover{border-color:var(--amber);color:var(--amber);background:#ffc45c24}.step:active{transform:scale(.9)}.step:disabled{opacity:.35;cursor:default;transform:none}.unit-seg{border:1px solid #8cc4ff40;border-radius:999px;gap:2px;padding:3px;display:inline-flex}.unit-seg button{color:var(--sky);font:500 .8rem var(--mono);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:4px 10px;transition:background .2s,color .2s}.unit-seg button[aria-pressed=true]{background:var(--sky);color:var(--navy-900)}.ruler{-webkit-appearance:none;appearance:none;cursor:pointer;background:0 0;width:100%;height:34px;margin:14px 0 4px}.ruler:focus{outline:none}.ruler::-webkit-slider-runnable-track{border-bottom:1px solid var(--sky-dim);background:repeating-linear-gradient(90deg, var(--sky-dim) 0 1px, transparent 1px 10px) bottom / 100% 8px no-repeat, repeating-linear-gradient(90deg, var(--sky) 0 1px, transparent 1px 50px) bottom / 100% 16px no-repeat;height:34px}.ruler::-moz-range-track{border-bottom:1px solid var(--sky-dim);background:repeating-linear-gradient(90deg, var(--sky-dim) 0 1px, transparent 1px 10px) bottom / 100% 8px no-repeat, repeating-linear-gradient(90deg, var(--sky) 0 1px, transparent 1px 50px) bottom / 100% 16px no-repeat;height:34px}.ruler::-webkit-slider-thumb{-webkit-appearance:none;background:var(--amber);clip-path:polygon(0 0,100% 0,100% 45%,50% 70%,50% 100%,50% 100%,50% 70%,0 45%);border:0;width:16px;height:34px;transition:transform .15s}.ruler::-moz-range-thumb{background:var(--amber);clip-path:polygon(0 0,100% 0,100% 45%,50% 70%,50% 100%,50% 100%,50% 70%,0 45%);border:0;border-radius:0;width:16px;height:34px}.ruler:active::-webkit-slider-thumb{transform:scaleX(1.25)}.ruler:focus-visible::-webkit-slider-thumb{filter:drop-shadow(0 0 6px var(--amber))}.ruler-ends{font:.72rem var(--mono);color:var(--sky-dim);justify-content:space-between;display:flex}.chips{flex-wrap:wrap;gap:6px;margin-top:14px;display:flex}.chips button{font:500 .8rem var(--mono);cursor:pointer;color:var(--sky);background:0 0;border:1px solid #8cc4ff40;border-radius:999px;padding:5px 11px;transition:background .2s,color .2s,border-color .2s,transform .12s}.chips button:hover{border-color:var(--amber);color:var(--amber)}.chips button:active{transform:scale(.93)}.chips button[aria-pressed=true]{background:var(--amber);border-color:var(--amber);color:var(--navy-900)}.field-gap{height:18px}.readout{border-top:1px dashed #8cc4ff4d;margin-top:24px;padding-top:20px}.ro-label{font:500 .72rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--sky)}.ro-main{align-items:baseline;gap:10px;margin:2px 0;display:flex}.ro-num{font:500 clamp(2.8rem, 6vw, 4.2rem)/1 var(--mono);color:#fff;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.ro-num.is-long{font-size:clamp(1.8rem,4vw,2.6rem)}.ro-unit{font:500 1.4rem var(--mono);color:var(--amber)}.ro-main.flash .ro-num{animation:flash .6s var(--ease)}@keyframes flash{0%{color:var(--amber);text-shadow:0 0 24px #ffc45c99}to{color:#fff;text-shadow:none}}.ro-sub{font:1rem var(--mono);color:var(--sky);overflow-wrap:anywhere}.ro-specs{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin:18px 0 0;display:grid}.ro-specs div{border-left:2px solid #8cc4ff4d;padding-left:10px}.ro-specs dt{font:500 .68rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--sky-dim)}.ro-specs dd{font:500 .95rem var(--mono);color:var(--ice);overflow-wrap:anywhere;margin:0}.ro-note{color:var(--sky);margin:14px 0 0;font-size:.86rem}.ro-note b{color:var(--amber);font-weight:500}.ro-note.err{color:var(--block)}.ro-uses{margin-top:16px}.ro-uses-label{font:500 .68rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--sky-dim);margin-bottom:6px;display:block}.ro-uses-list{flex-wrap:wrap;gap:6px;display:flex}.ro-uses-list a{font:500 .82rem var(--sans);color:var(--ice);animation:rise .4s var(--ease) both;background:#8cc4ff1a;border:1px solid #8cc4ff38;border-radius:6px;padding:5px 11px;text-decoration:none;transition:border-color .2s,color .2s,background .2s}.ro-uses-list a:nth-child(2){animation-delay:50ms}.ro-uses-list a:nth-child(3){animation-delay:.1s}.ro-uses-list a:nth-child(4){animation-delay:.15s}.ro-uses-list a:hover{border-color:var(--amber);color:var(--amber);background:#ffc45c14}.ro-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;display:flex}.btn-ghost{font:500 .85rem var(--sans);color:var(--ice);cursor:pointer;background:0 0;border:1px solid #8cc4ff59;border-radius:999px;align-items:center;gap:6px;padding:7px 14px;text-decoration:none;transition:border-color .2s,color .2s,background .2s;display:inline-flex}.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}.btn-ghost.done{border-color:var(--pass);color:var(--pass)}.btn-copy,.btn-more{font:600 .95rem var(--sans);cursor:pointer;transition:transform .18s var(--ease), box-shadow .2s, background .2s, color .2s, border-color .2s;border-radius:999px;align-items:center;gap:8px;padding:12px 22px;line-height:1;text-decoration:none;display:inline-flex}.btn-copy{background:var(--amber);color:var(--navy-900);border:0;box-shadow:0 8px 22px -10px #ffc45ccc}.btn-copy:hover{background:#ffd27f;transform:translateY(-2px);box-shadow:0 12px 26px -10px #ffc45cf2}.btn-copy:active{transform:scale(.95)}.btn-copy .ic-check{display:none}.btn-copy.done{background:var(--pass);box-shadow:0 8px 22px -10px #4ade9bcc}.btn-copy.done .ic-copy{display:none}.btn-copy.done .ic-check{animation:pop .35s var(--ease);display:block}@keyframes pop{0%{transform:scale(.4)}to{transform:scale(1)}}.btn-more{border:1.5px solid var(--ice);color:#fff;background:#e8f2ff14}.blueprint a.btn-more{color:#fff}.btn-more .arr{transition:transform .25s var(--ease)}.btn-more:hover{background:var(--ice);color:var(--navy-900);transform:translateY(-2px)}.blueprint a.btn-more:hover{color:var(--navy-900)}.btn-more:hover .arr{transform:translate(4px)}.btn-more:active{transform:scale(.95)}.viz{flex-direction:column;gap:10px;display:flex}.viz-frame{aspect-ratio:1;background:#04183180;border:1px solid #8cc4ff4d;border-radius:10px;position:relative;overflow:hidden}.viz-frame svg{width:100%;height:100%;display:block}.viz-tools{gap:6px;display:flex;position:absolute;top:10px;right:10px}.viz-tools button{font:500 .72rem var(--mono);color:var(--sky);cursor:pointer;background:#041831d9;border:1px solid #8cc4ff4d;border-radius:999px;padding:4px 10px;transition:color .2s,border-color .2s}.viz-tools button[aria-pressed=true]{color:var(--amber);border-color:var(--amber)}.viz-caption{color:var(--sky-dim);margin:0;font-size:.74rem;line-height:1.4}.calc.is-invalid .viz-frame svg{opacity:.15;filter:grayscale();transition:opacity .2s}.calc.is-invalid .ro-specs,.calc.is-invalid .ro-sub{opacity:.35}.btn-copy:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}.seg button:focus-visible,.step:focus-visible,.chips button:focus-visible,.unit-seg button:focus-visible,.btn-copy:focus-visible,.btn-more:focus-visible{outline:2px solid var(--amber);outline-offset:2px}.title-block{border:1px solid #8cc4ff4d;border-radius:8px;grid-template-columns:repeat(4,minmax(0,1fr));display:grid;overflow:hidden}.title-block div{border-right:1px solid #8cc4ff33;min-width:0;padding:6px 10px}.title-block div:last-child{border-right:0}.title-block span{font:500 .62rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--sky-dim);display:block}.title-block b{font:500 .85rem var(--mono);color:var(--ice);overflow-wrap:anywhere;display:block}.answer-bar{font-family:var(--mono);flex-wrap:wrap;align-items:baseline;gap:6px 18px;margin:0 0 26px;display:flex}.answer-bar .eq{color:#fff;font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:500}.answer-bar .eq b{color:var(--amber);font-weight:500}.answer-bar .alt{color:var(--sky)}.paper{background-color:var(--paper);background-image:linear-gradient(var(--paper-grid) 1px, transparent 1px), linear-gradient(90deg, var(--paper-grid) 1px, transparent 1px);background-size:24px 24px}.content{max-width:920px;padding-top:24px;padding-bottom:56px}.content h2{letter-spacing:-.01em;margin:52px 0 12px;font-size:1.55rem;font-weight:600;line-height:1.25}.content h2 .kicker{color:var(--blue);margin-bottom:4px;display:block}.content h3{margin:26px 0 6px;font-size:1.12rem;font-weight:600}.content p,.content li{color:#22344f}.muted{color:var(--muted)}.small{font-size:.875rem}.note{border:1px solid #f3dca8;border-left:4px solid var(--amber-deep);background:#fff8e8;border-radius:8px;padding:12px 16px;font-size:.95rem}.hero .note{border-color:#ffc45c59;border-left-color:var(--amber);color:var(--ice);background:#ffc45c1a;margin:0 0 20px}.formula{font:.95rem/1.8 var(--mono);background:var(--navy-800);color:var(--ice);white-space:pre;border-radius:10px;padding:16px 20px;display:block;overflow-x:auto}.table-wrap{border:1px solid var(--rule);border-radius:var(--radius);background:var(--card);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.93rem}th,td{text-align:right;white-space:nowrap;font-family:var(--mono);border-bottom:1px solid #e8eef5;padding:10px 14px;font-size:.88rem}th:first-child,td:first-child{text-align:left}thead th{font:500 .76rem var(--mono);letter-spacing:.02em;color:var(--muted);background:#eaf1fa;position:sticky;top:0}tbody tr{transition:background .15s}tbody tr:hover{background:var(--blue-soft)}tbody tr:last-child td{border-bottom:0}td a{font-weight:500;text-decoration:none}td a:hover{text-decoration:underline}tr.hl td{background:#fff4d9;font-weight:500}td.est{color:var(--muted);font-style:italic}.spec-table td:first-child{font-family:var(--sans);color:var(--muted)}.link-grid{grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:8px;padding:0;list-style:none;display:grid}.link-grid a{background:var(--card);border:1px solid var(--rule);font:500 .9rem var(--mono);color:var(--ink);transition:border-color .2s, transform .2s var(--ease), box-shadow .2s;border-radius:10px;justify-content:space-between;align-items:center;padding:10px 14px;text-decoration:none;display:flex}.link-grid a:after{content:"→";color:var(--blue);transition:transform .2s var(--ease)}.link-grid a:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 8px 20px -12px #1d64d080}.link-grid a:hover:after{transform:translate(3px)}.use-list{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;padding:0;list-style:none;display:grid}.use-list li{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:12px 14px}.app-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;display:grid}.app-card{background:var(--card);border:1px solid var(--rule);transition:border-color .2s, box-shadow .2s, transform .2s var(--ease);border-radius:12px;padding:16px 18px;scroll-margin-top:20px}.app-card:hover{border-color:#b9cbe3;transform:translateY(-2px);box-shadow:0 10px 28px -18px #0e224073}.app-card:target{border-color:var(--amber-deep);box-shadow:0 0 0 3px #ffc45c59}.app-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.app-cat{font:500 .66rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}.app-badge{white-space:nowrap;font:500 .66rem var(--mono);color:#3f4f66;background:#eef2f7;border-radius:4px;padding:2px 6px}.app-badge.src-regulation,.app-badge.src-standard{color:#0f6e45;background:#e3f6ec}.app-badge.src-manufacturer{color:#1d4f9a;background:#e6effc}.app-badge.src-research{color:#6b3fa0;background:#f1eafb}.content .app-card h3{margin:6px 0 2px;font-size:1.05rem}.app-card h3 a{color:var(--ink);text-decoration:none}.app-card h3 a:hover{color:var(--blue)}.content .app-typical{font:500 .88rem var(--mono);color:var(--ink);margin:0}.content .app-detail{color:var(--muted);margin:6px 0 10px;font-size:.9rem}.range-track{background:#e6edf6;border-radius:3px;height:6px;position:relative;overflow:hidden}.range-fill{background:linear-gradient(90deg, var(--blue), #5b9cf0);border-radius:3px;position:absolute;top:0;bottom:0}.range-labels{font:.76rem var(--mono);color:var(--muted);justify-content:space-between;gap:8px;margin:6px 0 0;display:flex}.range-labels span:first-child{color:#7a8699}.range-labels span:last-child{text-align:right;color:var(--ink)}.spec+.spec{margin-top:10px}.range-dot{background:var(--blue);width:10px;height:10px;box-shadow:0 0 0 1px var(--blue);border:2px solid #fff;border-radius:50%;margin-left:-5px;position:absolute;top:-2px}.range-track{overflow:visible}.spec-particle span:first-child,.spec-separation span:first-child,.spec-inch span:first-child{color:#9a5b12}.content .app-src{color:var(--muted);margin:10px 0 0;font-size:.78rem;line-height:1.5}.faq details{background:var(--card);border:1px solid var(--rule);border-radius:10px;margin:8px 0;transition:border-color .2s}.faq details[open]{border-color:var(--blue)}.faq summary{cursor:pointer;justify-content:space-between;gap:12px;padding:14px 18px;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font:500 1.2rem/1 var(--mono);color:var(--blue);transition:transform .3s var(--ease)}.faq details[open] summary:after{transform:rotate(45deg)}.faq details p{margin:0;padding:0 18px 16px}.btn{font:500 .9rem var(--sans);background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:999px;padding:9px 18px;transition:transform .12s,background .2s}.btn:hover{background:#1552b0}.btn:active{transform:scale(.96)}.pager{font-family:var(--mono);justify-content:space-between;gap:12px;margin:36px 0 0;display:flex}.pager a{border:1px solid var(--rule);background:var(--card);border-radius:999px;padding:10px 16px;text-decoration:none}.pager a:hover{border-color:var(--blue)}.site-footer{background:var(--navy-900);color:var(--sky);padding:40px 0;font-size:.9rem}.footer-inner{grid-template-columns:2fr 1fr 1fr;gap:28px;display:grid}.footer-brand p{max-width:440px;color:var(--sky-dim)}.site-footer nav{flex-direction:column;gap:6px;display:flex}.site-footer nav a{color:var(--sky);text-decoration:none}.site-footer nav a:hover{color:var(--amber)}@media (width<=900px){.calc-grid{grid-template-columns:minmax(0,1fr)}.viz{width:100%;max-width:520px;margin:0 auto}}@media (width<=600px){.main-nav{gap:0 16px;margin-left:0;font-size:.86rem}.hero{padding-top:24px;padding-bottom:32px}.calc{border-radius:14px;padding:16px}.seg button{padding:8px 2px;font-size:.8rem}.step{width:40px;height:40px}.title-block{grid-template-columns:repeat(2,minmax(0,1fr))}.title-block div:nth-child(2){border-right:0}.title-block div:nth-child(-n+2){border-bottom:1px solid #8cc4ff33}th,td{padding:8px 10px}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}@media print{.blueprint,.site-footer,.no-print{display:none!important}.paper{background:#fff}.table-wrap{border:0;overflow:visible}}