:root{color-scheme:light dark;--ink:#13222d;--ink-soft:#38505e;--paper:#f3f0e9;--panel:#fffdf8;--line:#c9d1d2;--accent:#d97706;--accent-bright:#f5a623;--teal:#087f72;--teal-soft:#d8f0ec;--danger:#9a3412;--max:1180px;--sans:Inter, "Avenir Next", "Segoe UI", sans-serif;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--sans);margin:0;line-height:1.6}a{color:inherit;text-underline-offset:3px}img,svg{max-width:100%}button,input,select{font:inherit}:focus-visible{outline:3px solid var(--accent-bright);outline-offset:3px}.wrap{width:min(var(--max), calc(100% - 2rem));margin-inline:auto}.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}.skip-link:focus{z-index:99;clip:auto;background:var(--panel);width:auto;height:auto;margin:0;padding:.7rem 1rem;position:fixed;top:1rem;left:1rem}.site-header{z-index:20;border-bottom:1px solid color-mix(in srgb, var(--ink) 16%, transparent);background:color-mix(in srgb, var(--paper) 94%, transparent);backdrop-filter:blur(12px);position:sticky;top:0}.header-row{justify-content:space-between;align-items:center;gap:1.25rem;min-height:72px;display:flex}.brand{align-items:center;gap:.75rem;text-decoration:none;display:inline-flex}.brand-mark{background:var(--ink);width:43px;height:43px;color:var(--accent-bright);font:900 1.15rem var(--mono);border-radius:10px;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #ffffff26}.brand-copy strong{letter-spacing:-.02em;font-size:1.05rem;line-height:1.1;display:block}.brand-copy small{color:var(--ink-soft);font-size:.72rem}.nav{align-items:center;gap:1.25rem;font-size:.9rem;font-weight:750;display:flex}.nav a{text-decoration:none}.nav a:hover{color:var(--accent)}.mobile-nav{border-top:1px solid var(--line);gap:1.2rem;padding-block:.65rem;font-size:.85rem;font-weight:750;display:none;overflow-x:auto}.button{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;min-height:44px;padding:.65rem 1rem;font-weight:800;text-decoration:none;display:inline-flex}.button:hover{background:var(--accent)}.button.secondary{border:1px solid var(--line);background:var(--panel);color:var(--ink)}.hero{background:var(--ink);color:#f7fafb;padding:5rem 0 4rem;position:relative;overflow:hidden}.hero:before{content:"";opacity:.22;background-image:linear-gradient(#66808d44 1px,#0000 1px),linear-gradient(90deg,#66808d44 1px,#0000 1px);background-size:40px 40px;position:absolute;inset:0;mask-image:linear-gradient(90deg,#000,#0000 75%)}.hero-grid{grid-template-columns:1.2fr .8fr;align-items:center;gap:3rem;display:grid;position:relative}.eyebrow{color:var(--accent-bright);font:800 .76rem var(--mono);letter-spacing:.14em;text-transform:uppercase;margin:0}h1,h2,h3{letter-spacing:-.025em;line-height:1.16}h1{margin:.8rem 0 1rem;font-size:clamp(2.5rem,6vw,5rem)}h2{font-size:clamp(1.7rem,3vw,2.5rem)}.lede{max-width:720px;color:color-mix(in srgb, currentColor 80%, transparent);font-size:1.16rem}.hero-actions{flex-wrap:wrap;gap:.8rem;margin-top:1.6rem;display:flex}.gauge-card{background:#ffffff0b;border:1px solid #ffffff2e;border-radius:18px;padding:1.4rem;box-shadow:0 28px 80px #0005}.gauge-card code{color:var(--accent-bright);font:800 clamp(1.7rem, 5vw, 3.4rem) var(--mono)}.gauge-line{background:repeating-linear-gradient(90deg, var(--accent-bright) 0 2px, transparent 2px 18px);border-radius:999px;height:12px;margin:1rem 0}.section{padding:4rem 0}.section-head{max-width:760px;margin-bottom:2rem}.grid{gap:1rem;display:grid}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--line);background:var(--panel);border-radius:14px;box-shadow:0 14px 40px #13222d0d}.card-pad{padding:1.35rem}.card h2,.card h3{margin-top:0}.metric{font:800 1.6rem var(--mono);color:var(--teal)}.technical-strip{border-block:1px solid var(--line);background:color-mix(in srgb, var(--teal-soft) 70%, var(--paper))}.technical-strip .wrap{grid-template-columns:repeat(4,1fr);gap:1px;display:grid}.technical-strip div{border-right:1px solid var(--line);padding:1.2rem}.technical-strip strong{font:800 1.35rem var(--mono);display:block}.breadcrumb{color:var(--ink-soft);flex-wrap:wrap;gap:.45rem;padding:1rem 0 0;font-size:.82rem;display:flex}.page-head{padding:3rem 0 2rem}.page-head h1{max-width:900px;font-size:clamp(2.3rem,5vw,4.2rem)}.content-grid{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:2.5rem;display:grid}.prose{max-width:790px;color:var(--ink-soft);font-size:1.06rem}.prose h2,.prose h3{color:var(--ink);margin-top:2.4rem}.prose li+li{margin-top:.45rem}.callout{border-left:5px solid var(--accent);color:#512b08;background:#fff2d9;border-radius:8px;margin:1.5rem 0;padding:1rem 1.2rem}.callout.info{border-color:var(--teal);background:var(--teal-soft);color:#064e47}.source-note{color:var(--ink-soft);font-size:.82rem}.toc{padding:1.2rem;position:sticky;top:96px}.toc ul{margin:.8rem 0 0;padding-left:1.1rem}.tool{padding:1.5rem}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.field label{color:var(--ink-soft);margin-bottom:.35rem;font-size:.82rem;font-weight:800;display:block}.control{background:var(--panel);width:100%;min-height:46px;color:var(--ink);border:1px solid #9cadb4;border-radius:8px;padding:.65rem .75rem}.result{border:1px solid var(--line);background:color-mix(in srgb, var(--teal-soft) 60%, var(--panel));border-radius:12px;min-height:130px;margin-top:1.2rem;padding:1.25rem}.result strong{font:900 clamp(1.5rem, 4vw, 2.4rem) var(--mono);color:var(--teal);display:block}.table-wrap{border:1px solid var(--line);background:var(--panel);border-radius:12px;width:100%;overflow-x:auto}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:.75rem .85rem}th{background:color-mix(in srgb, var(--teal-soft) 60%, var(--panel));font:800 .78rem var(--mono);letter-spacing:.05em;text-transform:uppercase}tbody tr:hover{background:color-mix(in srgb, var(--accent-bright) 8%, var(--panel))}.badge{background:var(--teal-soft);color:#075e55;font:800 .72rem var(--mono);border-radius:999px;padding:.22rem .55rem;display:inline-flex}.site-footer{background:var(--ink);color:#fff;margin-top:5rem;padding:3rem 0}.footer-grid{grid-template-columns:2fr repeat(3,1fr);gap:2rem;display:grid}.site-footer p,.site-footer li{color:#c1ced4}.site-footer ul{padding:0;list-style:none}.site-footer a{text-decoration:none}@media (width<=840px){.nav{display:none}.mobile-nav{display:flex}.hero-grid,.content-grid{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.toc{position:static}.technical-strip .wrap,.footer-grid{grid-template-columns:1fr 1fr}}@media (width<=560px){.grid-3,.grid-2,.tool-grid,.footer-grid{grid-template-columns:1fr}.hero{padding:3.5rem 0}.technical-strip .wrap{grid-template-columns:1fr 1fr}}@media print{.site-header,.site-footer,.hero-actions,.toc{display:none!important}body{color:#000;background:#fff}.card,.table-wrap{box-shadow:none;break-inside:avoid}}@media (prefers-color-scheme:dark){:root{--ink:#eef4f6;--ink-soft:#b9c9d0;--paper:#0c171e;--panel:#13242e;--line:#344955;--teal-soft:#123d3a}.site-header{background:#0c171eee}.brand-mark,.hero,.site-footer{background:#081218}.button{background:var(--accent);color:#fff}.button:hover{background:#b45309}.button.secondary{color:#eef4f6;background:#172a35;border-color:#49616e}.callout{color:#f8d79b;background:#422d11}.callout.info{color:#a7eee3;background:#123d3a}}