:root{--bg:#fff;--tint:#f5f6ff;--ink:#0b0c24;--muted:#5a5e7c;--line:#e7e9f6;--card:#fff;--primary:#464BFF;--primary-dark:#3438e8;--deep:#1c1f9a;--primary-fg:#fff;--soft:#eceeff;--ring:rgba(70,75,255,.25);--r:16px;--r-sm:12px;--r-lg:28px;--sh1:0 1px 2px rgba(11,12,36,.04),0 2px 8px rgba(11,12,36,.04);--sh2:0 2px 4px rgba(11,12,36,.04),0 18px 40px -14px rgba(11,12,36,.14);--sh3:0 40px 80px -24px rgba(70,75,255,.45);--ease:cubic-bezier(.22,1,.36,1);--sans:Poppins,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--serif:Lora,Georgia,"Times New Roman",serif}.t-agri{--tc:#138a43;--tb:#e3f6ea}.t-fin{--tc:#464BFF;--tb:#eceeff}.t-life{--tc:#b45309;--tb:#fff1da}.t-bio{--tc:#c01a5b;--tb:#ffe6f0}.t-other{--tc:#0d7f78;--tb:#dcf5f2}.t-food{--tc:#c2410c;--tb:#ffe8dc}.t-stat{--tc:#7c3aed;--tb:#f0e9ff}.t-health{--tc:#d92d4a;--tb:#ffe6ea}.t-math{--tc:#2563eb;--tb:#e3edff}.t-eco{--tc:#4d7c0f;--tb:#eaf6d4}*,*::before,*::after{box-sizing:border-box;cursor:default;-webkit-tap-highlight-color:transparent}input{cursor:text}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.7 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}a{color:inherit;text-decoration:none}h1,h2,h3{margin:0;font-weight:700;line-height:1.15;letter-spacing:-.025em;text-wrap:balance}h1{font-size:clamp(2rem,5vw,3.25rem)}h2{font-size:clamp(1.5rem,3.2vw,2.2rem)}h3{font-size:1.1rem;font-weight:600;letter-spacing:-.01em}p{margin:0}:focus-visible{outline:none;box-shadow:0 0 0 3px var(--ring)}[hidden]{display:none!important}::selection{background:var(--soft)}.muted{color:var(--muted)}.small{font-size:.875rem}.block{display:block}.i{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.i.fill{fill:currentColor;stroke:none}.wrap{max-width:72rem;margin:0 auto;padding:0 1.25rem}.narrow{max-width:30rem;padding-top:3.5rem;padding-bottom:4rem}.text-page{max-width:44rem;padding-top:3rem;padding-bottom:5rem}.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}.site-header.scrolled{border-color:var(--line);box-shadow:var(--sh1)}.bar{display:flex;align-items:center;gap:2rem;height:4.4rem}.bar-end{margin-left:auto;display:flex;gap:.5rem;align-items:center}.brand{display:flex;align-items:center;gap:.65rem;font-weight:700;font-size:1.22rem;letter-spacing:-.03em}.logo{display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:.7rem;background:linear-gradient(145deg,#6a6eff,var(--primary) 55%,var(--deep));color:#fff;box-shadow:0 6px 14px -4px rgba(70,75,255,.55),inset 0 1px 0 rgba(255,255,255,.35);transition:transform .4s var(--ease)}.brand:hover .logo{transform:rotate(-8deg) scale(1.05)}.nav{display:flex;gap:.2rem;font-size:.9rem;font-weight:500}.nav a{color:var(--muted);padding:.45rem .8rem;border-radius:999px;transition:color .15s,background .15s}.nav a:hover{color:var(--ink);background:var(--tint)}.nav a[aria-current]{color:var(--primary);background:var(--soft)}.hero{position:relative;padding:5rem 0 0;text-align:center;overflow:hidden;isolation:isolate}.hero-bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(60rem 30rem at 50% -10%,rgba(70,75,255,.16),transparent 70%),radial-gradient(30rem 20rem at 85% 20%,rgba(255,170,90,.12),transparent 70%),radial-gradient(30rem 20rem at 12% 30%,rgba(192,26,91,.07),transparent 70%)}.hero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.55;mask-image:radial-gradient(ellipse 55% 60% at 50% 25%,#000,transparent);-webkit-mask-image:radial-gradient(ellipse 55% 60% at 50% 25%,#000,transparent)}.eyebrow{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .9rem .35rem .45rem;border:1px solid var(--line);border-radius:999px;background:#fff;box-shadow:var(--sh1);font-size:.8rem;font-weight:500;color:var(--muted);margin-bottom:1.6rem}.eyebrow b{background:var(--primary);color:#fff;border-radius:999px;padding:.05rem .6rem;font-weight:500}.hero h1{font-size:clamp(2rem,6vw,4rem);line-height:1.08;letter-spacing:-.04em;margin:0 auto 1.4rem}@media(min-width:700px){.hero h1 span{white-space:nowrap}}.hero h1 span{display:block}.accent{font-family:var(--serif);font-style:italic;font-weight:500;letter-spacing:-.02em;color:var(--primary)}.lead{font-size:1.12rem;color:var(--muted);max-width:37rem}.hero .lead{margin:0 auto 2rem}.search{position:relative;max-width:34rem;margin:0 auto}.search>.i{position:absolute;left:1.15rem;top:50%;transform:translateY(-50%);color:var(--muted);z-index:1}.search .in{height:3.6rem;padding-left:3rem;padding-right:3.6rem;border-radius:999px;font-size:1rem;box-shadow:var(--sh2);border-color:transparent}.search kbd{position:absolute;right:1.1rem;top:50%;transform:translateY(-50%)}.quick{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:1.1rem}.stage{position:relative;max-width:60rem;height:23rem;margin:3.5rem auto 0}.fcard{position:absolute;text-align:left;background:#fff;border:1px solid var(--line);border-radius:22px;padding:1.2rem 1.3rem;box-shadow:var(--sh2);animation:float 7s ease-in-out infinite}.fcard .fc-top{display:flex;align-items:center;gap:.7rem;font-size:.85rem;font-weight:500;color:var(--muted);margin-bottom:.9rem}.fcard .fc-val{margin-bottom:.8rem;font-size:2rem;font-weight:700;letter-spacing:-.04em;line-height:1.15;color:var(--ink)}.fcard .fc-sub{font-size:.8rem;color:var(--muted);margin-bottom:.9rem}.fcard .fc-row{display:flex;justify-content:space-between;gap:1rem;font-size:.82rem;padding:.45rem 0;border-top:1px solid var(--line);color:var(--muted)}.fcard .fc-row b{color:var(--ink);font-weight:500}.f2{left:50%;top:0;width:24rem;margin-left:-12rem;z-index:3;box-shadow:var(--sh3),var(--sh2)}.f1{left:2%;top:4.5rem;width:17rem;transform:rotate(-5deg);animation-delay:-2s;z-index:2}.f3{right:2%;top:7rem;width:16.5rem;transform:rotate(5deg);animation-delay:-4s;z-index:2}.stage::after{content:"";position:absolute;left:0;right:0;bottom:0;height:7rem;background:linear-gradient(transparent,#fff);z-index:4;pointer-events:none}.trust{display:flex;justify-content:center;gap:.6rem 2.2rem;flex-wrap:wrap;padding:1.6rem 0 0;font-size:.9rem;font-weight:500;color:var(--muted)}.trust span{display:inline-flex;gap:.45rem;align-items:center}.trust .i{color:var(--primary)}.sec{margin:5rem 0 1.6rem}.sec .kicker{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:.6rem}.sec p{margin-top:.6rem;max-width:36rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(19rem,1fr));gap:1rem}.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.bento .t-other,.bento .t-fin{grid-column:span 2}.how{position:relative;margin-top:5.5rem;padding:5rem 0;color:#fff;background:linear-gradient(135deg,#3c41f5,var(--primary) 45%,var(--deep));overflow:hidden;isolation:isolate}.how::before,.how::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.14);z-index:-1}.how::before{width:34rem;height:34rem;right:-10rem;top:-14rem;box-shadow:0 0 0 4rem rgba(255,255,255,.04),0 0 0 8rem rgba(255,255,255,.03)}.how::after{width:22rem;height:22rem;left:-8rem;bottom:-12rem}.how h2{max-width:30rem;margin-bottom:3rem}.how .kicker{color:#c9cbff}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.step{border-top:1px solid rgba(255,255,255,.3);padding-top:1.3rem}.step .num{font-family:var(--serif);font-style:italic;font-size:3.2rem;line-height:1;color:#fff;opacity:.9;margin-bottom:.6rem}.step h3{margin-bottom:.4rem}.step p{color:#d7d9ff;font-size:.95rem}.follow{margin:5rem 0;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(180deg,#fff,var(--tint));padding:3rem 1.5rem;text-align:center;box-shadow:var(--sh1)}.follow h2{margin-bottom:.6rem}.follow .socials{justify-content:center;margin-top:1.6rem}.crumbs{padding:1.6rem 0 .5rem}.crumbs a:hover{color:var(--primary)}.page-head{margin-bottom:2rem;max-width:48rem}.page-head h1{font-size:clamp(2rem,4.5vw,3rem);letter-spacing:-.035em;margin:.9rem 0 .7rem}.tag{display:inline-flex;align-items:center;gap:.5rem;padding:.3rem .8rem .3rem .35rem;border-radius:999px;background:var(--tb,var(--tint));color:var(--tc,var(--primary));font-size:.8rem;font-weight:500}.tag .chip{width:1.5rem;height:1.5rem;border-radius:50%;background:#fff}.tag .chip .i{width:.85rem;height:.85rem}.meta{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;margin-top:1rem}.meta span{display:inline-flex;gap:.4rem;align-items:center}.meta .i{color:var(--primary)}.calc{display:grid;grid-template-columns:1.1fr 1fr;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);box-shadow:var(--sh2);margin-bottom:1.5rem}.calc>.pane:first-child{border-radius:var(--r-lg) 0 0 var(--r-lg)}.calc>.pane.res{border-radius:0 var(--r-lg) var(--r-lg) 0}.calc .pane{padding:2rem}.calc .pane.res{position:relative;color:#fff;background:linear-gradient(150deg,#3c41f5,var(--primary) 50%,var(--deep));overflow:hidden;isolation:isolate}.calc .pane.res::before{content:"";position:absolute;width:20rem;height:20rem;right:-8rem;top:-9rem;border-radius:50%;box-shadow:0 0 0 2.5rem rgba(255,255,255,.05),0 0 0 5rem rgba(255,255,255,.04);z-index:-1}.solved{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin-bottom:2.2rem}.similar{margin-bottom:3.2rem}.similar h2{font-size:1.05rem;margin-bottom:.8rem}.similar .row-w{display:flex;gap:.5rem;flex-wrap:wrap}.doc{display:grid;grid-template-columns:minmax(0,42rem) 15rem;gap:4rem;justify-content:space-between;margin-bottom:3rem}.toc{position:sticky;top:6rem;align-self:start;font-size:.9rem}.toc h4{margin:0 0 .6rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.toc a{display:block;padding:.35rem 0 .35rem .95rem;border-left:2px solid var(--line);color:var(--muted);transition:color .15s,border-color .15s}.toc a:hover{color:var(--primary);border-color:var(--primary)}.prose{font-family:var(--serif);font-size:1.08rem;line-height:1.85;color:#2b2d4a}.prose h2,.prose h3{font-family:var(--sans);color:var(--ink);scroll-margin-top:6rem}.prose h2{margin:2.6rem 0 .8rem;font-size:1.55rem}.prose p{margin:.7rem 0}.faq{margin-top:2.6rem}.faq h2{margin-bottom:1rem}.rel{margin-bottom:4.5rem}.rel h2{margin-bottom:1rem}.fcols{display:flex;gap:4rem;flex-wrap:wrap;margin-bottom:2.5rem}.fcols>div:first-child{flex:1 1 17rem}.fcols h4{margin:0 0 .8rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.fcols a{display:block;font-size:.92rem;padding:.22rem 0;color:var(--ink);transition:color .15s}.fcols a:hover{color:var(--primary)}.fcols p{max-width:19rem;margin:.8rem 0 1.2rem}.socials{display:flex;gap:.55rem;flex-wrap:wrap}.socials a{display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--ink);transition:background .2s,color .2s,transform .3s var(--ease),border-color .2s}.fcols .socials a{padding:0}.socials a:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-3px)}.socials .i{width:1.1rem;height:1.1rem}.fine{border-top:1px solid var(--line);padding-top:1.3rem;display:flex;gap:.5rem 1.5rem;flex-wrap:wrap;justify-content:space-between}.fine a{color:var(--primary)}@media(max-width:900px){.calc{grid-template-columns:minmax(0,1fr)}.calc>.pane:first-child{border-radius:var(--r-lg) var(--r-lg) 0 0}.calc>.pane.res{border-radius:0 0 var(--r-lg) var(--r-lg)}.doc{grid-template-columns:minmax(0,1fr)}.toc{display:none}.bento{grid-template-columns:1fr 1fr}.bento .t-other,.bento .t-fin{grid-column:span 2}.steps{grid-template-columns:1fr}.stage{height:auto;display:grid;gap:1rem;max-width:26rem}.fcard{position:static;width:auto;margin:0;transform:none;animation:none}.f1,.f3{display:none}.stage::after{display:none}.bar-end .btn.menu-btn{display:inline-flex}.nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;padding:.6rem 1.25rem 1rem;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh2);opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease)}.nav.open{opacity:1;transform:none;pointer-events:auto}.nav a{padding:.7rem 0;border-radius:0}}@media(max-width:560px){.bento{grid-template-columns:1fr}.bento .t-other,.bento .t-fin{grid-column:auto}.hero{padding-top:3.2rem}.calc .pane{padding:1.4rem}}.prose .intro p:first-child{font-size:1.2rem;line-height:1.7;color:var(--ink)}.prose ul,.prose ol{padding-left:1.35rem;margin:.9rem 0}.prose li{margin:.45rem 0;padding-left:.2rem}.prose li::marker{color:var(--primary)}.prose ol.steps-ol{counter-reset:s;list-style:none;padding:0}.prose ol.steps-ol li{counter-increment:s;position:relative;padding:.1rem 0 .1rem 2.6rem;margin:.9rem 0}.prose ol.steps-ol li::before{content:counter(s);position:absolute;left:0;top:.05rem;display:grid;place-items:center;width:1.9rem;height:1.9rem;border-radius:50%;background:var(--soft);color:var(--primary);font:600 .85rem var(--sans)}.prose strong{color:var(--ink);font-weight:600}.prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}.formula{margin:1.1rem 0;padding:1rem 1.2rem;border-radius:16px;background:var(--tint);border:1px solid var(--line);border-left:4px solid var(--primary);font:500 .98rem/1.7 var(--sans);color:var(--ink)}.tbl{margin:1.2rem 0;overflow-x:auto;border:1px solid var(--line);border-radius:16px}.tbl table{width:100%;border-collapse:collapse;font:400 .9rem/1.5 var(--sans);min-width:28rem}.tbl th{background:var(--tint);text-align:left;font-weight:600;color:var(--ink)}.tbl th,.tbl td{padding:.7rem 1rem;border-bottom:1px solid var(--line);white-space:nowrap}.tbl tr:last-child td{border-bottom:0}.tbl td{color:#2b2d4a}.byline{margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid var(--line);font-family:var(--sans)}.srcs{font-family:var(--sans);font-size:.95rem}.nav-dd{position:relative}.nav-dd-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .8rem;border:0;border-radius:999px;background:none;color:var(--muted);font:500 .9rem var(--sans);transition:color .15s,background .15s}.nav-dd-btn:hover,.nav-dd-btn[aria-expanded=true]{color:var(--ink);background:var(--tint)}.nav-dd-btn .i{transition:transform .25s var(--ease)}.nav-dd-btn[aria-expanded=true] .i{transform:rotate(180deg)}.nav-dd-menu{position:absolute;left:0;top:calc(100% + .5rem);z-index:50;min-width:15rem;padding:.4rem;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 48px -16px rgba(11,12,36,.3);opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease)}.nav-dd-btn[aria-expanded=true]+.nav-dd-menu{opacity:1;transform:none;pointer-events:auto}.nav-dd-menu a{display:flex;justify-content:space-between;align-items:center;padding:.6rem .8rem;border-radius:12px;color:var(--ink)}.nav-dd-menu a:hover{background:var(--tint);color:var(--primary)}.nav-dd-menu small{color:var(--muted);font-size:.78rem}@media(max-width:900px){.nav-dd-btn{display:none}.nav-dd-menu{position:static;opacity:1;transform:none;pointer-events:inherit;box-shadow:none;border:0;padding:0;min-width:0;background:none}.nav-dd-menu a{padding:.7rem 0;border-radius:0;color:var(--muted)}}.site-footer,.rel,.how,.follow,.app-cta{content-visibility:auto;contain-intrinsic-size:auto 480px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;height:2.7rem;padding:0 1.3rem;border-radius:999px;border:1px solid transparent;background:var(--primary);color:var(--primary-fg);font:500 .9rem var(--sans);white-space:nowrap;box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 6px 16px -6px rgba(70,75,255,.6);transition:background .15s,transform .2s var(--ease),border-color .15s,box-shadow .2s}.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn:active{transform:scale(.97)}.btn.outline{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh1)}.btn.outline:hover{border-color:var(--primary);color:var(--primary);background:#fff}.btn.ghost{background:transparent;color:var(--ink);box-shadow:none}.btn.ghost:hover{background:var(--soft)}.btn.light{background:#fff;color:var(--primary);box-shadow:0 8px 20px -8px rgba(0,0,0,.3)}.btn.light:hover{background:#fff;color:var(--deep)}.btn.lg{height:3.15rem;padding:0 1.7rem;font-size:.95rem}.btn.sm{height:2.2rem;padding:0 1rem;font-size:.8rem}.btn.icon{width:2.7rem;padding:0}.btn.block{width:100%;margin-bottom:.75rem}.btn.on{color:var(--primary);border-color:var(--primary)}.btn.on .i{fill:currentColor}.btn[disabled]{opacity:.55}.btn.menu-btn{display:none}.link-btn{background:none;border:0;padding:0;color:var(--primary);font:inherit}.link-btn:hover{text-decoration:underline}.pill{display:inline-flex;align-items:center;gap:.45rem;padding:.42rem 1rem;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:.85rem;font-weight:500;box-shadow:var(--sh1);transition:border-color .15s,color .15s,transform .25s var(--ease)}.pill:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}.pill .i{color:var(--primary)}kbd{font:500 .72rem var(--sans);padding:.1rem .5rem;border:1px solid var(--line);border-bottom-width:2px;border-radius:.4rem;background:var(--tint);color:var(--muted)}.card{position:relative;display:flex;gap:1rem;padding:1.25rem;background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh1);transition:transform .35s var(--ease),border-color .2s,box-shadow .35s var(--ease)}a.card:hover{transform:translateY(-4px);border-color:transparent;box-shadow:var(--sh2),0 0 0 1.5px var(--tc,var(--primary))}.card strong{display:block;font-weight:600;letter-spacing:-.01em}.card .small{line-height:1.55;margin-top:.2rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}a.card .go{margin-left:auto;align-self:center;color:var(--muted);transition:transform .3s var(--ease),color .15s}a.card:hover .go{transform:translateX(3px);color:var(--tc,var(--primary))}.chip{display:grid;place-items:center;flex:none;width:2.75rem;height:2.75rem;border-radius:.9rem;background:var(--tb,var(--soft));color:var(--tc,var(--primary));box-shadow:inset 0 0 0 1px rgba(11,12,36,.04);transition:transform .35s var(--ease)}a.card:hover .chip{transform:scale(1.08) rotate(-4deg)}.tile{display:flex;flex-direction:column;gap:1rem;padding:1.6rem;background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--sh1);transition:box-shadow .35s var(--ease),transform .35s var(--ease)}.tile:hover{transform:translateY(-3px);box-shadow:var(--sh2)}.tile-head{display:flex;align-items:center;gap:.9rem}.tile-head a{display:flex;align-items:center;gap:.9rem}.tile-head h3{font-size:1.15rem}.tile-head .small{display:block;font-weight:400}.tile .chip{width:3rem;height:3rem;border-radius:1rem}.tile-list{display:grid;gap:.1rem;margin-top:.3rem}.tile-list a{display:flex;justify-content:space-between;align-items:center;padding:.55rem .75rem;margin:0 -.75rem;border-radius:12px;font-size:.92rem;color:var(--ink);transition:background .15s,color .15s,padding .25s var(--ease)}.tile-list a .i{color:var(--muted);opacity:0;transform:translateX(-4px);transition:all .25s var(--ease)}.tile-list a:hover{background:var(--tb);color:var(--tc);padding-left:1rem}.tile-list a:hover .i{opacity:1;transform:none;color:var(--tc)}.form{display:grid;gap:1.35rem}.field{position:relative;display:grid;gap:.5rem}.lab{font-size:.95rem;font-weight:500;color:#3d4060}.in{width:100%;height:3rem;padding:0 1rem;border:1.5px solid #dcdef6;border-radius:14px;background:#f8f9fc;color:var(--ink);font:400 1rem var(--sans);outline:none;-webkit-appearance:none;appearance:none;transition:border-color .15s,box-shadow .15s,background .15s}.in::placeholder{color:#a3a6c0}.in:hover{border-color:#c4c7ee}.in:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}.group{display:flex}.group .in{border-radius:14px 0 0 14px;flex:1;min-width:0}.group .in:only-child{border-radius:14px}.group .ui-select{width:7.75rem;flex:none}.group .trigger{border-radius:0 14px 14px 0;margin-left:-1.5px;background:#eff0fb;font-weight:500}.ui-date{display:grid;grid-template-columns:1fr 1fr 1.6fr;gap:.5rem}.ui-select{position:relative}.trigger{display:flex;align-items:center;justify-content:space-between;gap:.5rem;width:100%;height:3rem;padding:0 1rem;border:1.5px solid #dcdef6;border-radius:14px;background:#f8f9fc;color:var(--ink);font:400 1rem var(--sans);text-align:left;transition:border-color .15s,box-shadow .15s,background .15s}.trigger:hover{border-color:#c4c7ee}.trigger .val{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.trigger .i{color:var(--muted);transition:transform .25s var(--ease)}.trigger[aria-expanded=true]{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}.trigger[aria-expanded=true] .i{transform:rotate(180deg)}.menu{position:absolute;z-index:30;top:calc(100% + .35rem);left:0;min-width:100%;max-height:15rem;overflow:auto;margin:0;padding:.35rem;list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 40px -12px rgba(11,12,36,.28);transform-origin:top;animation:pop .16s var(--ease)}.menu li{display:flex;justify-content:space-between;gap:.75rem;padding:.55rem .75rem;border-radius:9px;font-size:.9rem;white-space:nowrap}.menu li:hover,.menu li.act{background:var(--tint)}.menu li[aria-selected=true]{color:var(--primary);font-weight:500}.menu li[aria-selected=true]::after{content:"✓"}.actions{display:flex;gap:.6rem;margin-top:1.6rem}.rhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.2rem}.rhead h2{font-size:1rem;font-weight:500;opacity:.85;letter-spacing:0}.pane.res .btn.ghost{color:#fff}.pane.res .btn.ghost:hover{background:rgba(255,255,255,.14)}.main-r{margin-bottom:1rem;padding-bottom:1.2rem;border-bottom:1px solid rgba(255,255,255,.22)}.main-r.bump strong{animation:rise .45s var(--ease)}.main-r span{font-size:.85rem;opacity:.8}.main-r strong{display:block;font-size:clamp(2.1rem,4.5vw,2.8rem);font-weight:700;letter-spacing:-.04em;line-height:1.15;word-break:break-word;font-variant-numeric:tabular-nums}.row{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:.9rem;animation:fade-up .4s var(--ease) both;animation-delay:calc(var(--n,0)*35ms)}.row:last-child{border:0}.row span{opacity:.75}.row b{font-weight:500;text-align:right;font-variant-numeric:tabular-nums}.pane.res .muted{color:rgba(255,255,255,.75)}.demo-wrap .pane.res .rhead{margin-bottom:.8rem}.acc{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;box-shadow:var(--sh1)}.acc-item+.acc-item{border-top:1px solid var(--line)}.acc-q{display:flex;width:100%;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 1.4rem;background:none;border:0;color:var(--ink);font:500 .98rem var(--sans);text-align:left;transition:background .15s}.acc-q:hover{background:var(--tint)}.acc-q .i{color:var(--muted);transition:transform .35s var(--ease)}.acc-item.open .acc-q .i{transform:rotate(180deg);color:var(--primary)}.acc-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}.acc-item.open .acc-a{grid-template-rows:1fr}.acc-a>div{overflow:hidden}.acc-a p{padding:0 1.4rem 1.2rem;color:var(--muted);font-family:var(--serif);font-size:1.03rem;line-height:1.75}.cookie-banner{position:fixed;left:1rem;bottom:1rem;z-index:70;width:min(26rem,calc(100vw - 2rem));padding:1.3rem;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 60px -20px rgba(11,12,36,.35);animation:rise-in .5s var(--ease) both}.cookie-banner .ck-top{display:flex;align-items:center;gap:.7rem;margin-bottom:.55rem}.cookie-banner h2{font-size:1rem;letter-spacing:-.01em}.cookie-banner p{font-size:.85rem;color:var(--muted);line-height:1.6;margin-bottom:1rem}.cookie-banner a{color:var(--primary)}.cookie-banner .chip{width:2.2rem;height:2.2rem;border-radius:.7rem}.ck-btns{display:flex;gap:.5rem}.ck-btns .btn{flex:1}.cookie-banner.out{animation:fade-down .3s ease-in forwards}#toasts{position:fixed;bottom:1.25rem;right:1.25rem;display:grid;gap:.5rem;z-index:80}.toast{background:var(--ink);color:#fff;padding:.75rem 1.2rem;border-radius:14px;font-size:.9rem;box-shadow:var(--sh2);animation:toast-in .3s var(--ease) both}.toast.out{animation:toast-out .25s ease-in forwards}.legal h2{margin:2.2rem 0 .6rem;font-size:1.3rem}.legal p{margin:.6rem 0;color:#2b2d4a;font-family:var(--serif);font-size:1.06rem;line-height:1.85}.legal a{color:var(--primary)}.legal .btn{margin-top:.5rem}.t-other .tile-list,.t-fin .tile-list{grid-template-columns:1fr 1fr;column-gap:2rem}.tile-list a{padding:.5rem .75rem}@media(max-width:560px){.t-other .tile-list,.t-fin .tile-list{grid-template-columns:1fr}}@media(max-width:700px){.search kbd{display:none}}.app-cta{display:flex;align-items:center;gap:1.4rem;margin:4.5rem 0 0;padding:1.5rem 1.8rem;border:1px solid var(--line);border-radius:28px;background:linear-gradient(120deg,var(--tint),#fff);box-shadow:var(--sh1)}.app-cta img{width:4.5rem;height:4.5rem;border-radius:1.2rem;box-shadow:var(--sh2);flex:none}.app-cta h3{font-size:1.2rem}.app-cta p{color:var(--muted);font-size:.95rem}.app-cta .btn{margin-left:auto}.is-app .app-cta,.is-app [data-hide-in-app]{display:none}@media(max-width:900px){.app-cta{flex-direction:column;text-align:center}.app-cta .btn{margin:0}}[data-live] .row{animation:none}@view-transition{navigation:auto}::view-transition-old(root){animation:fade-out .15s ease both}::view-transition-new(root){animation:fade-in .25s ease both}@keyframes fade-in{from{opacity:0}}@keyframes fade-out{to{opacity:0}}@keyframes fade-up{from{opacity:0;transform:translateY(12px)}}@keyframes pop{from{opacity:0;transform:translateY(-4px) scale(.97)}}@keyframes rise{from{opacity:.3;transform:translateY(6px)}}@keyframes rise-in{from{opacity:0;transform:translateY(20px) scale(.97)}}@keyframes fade-down{to{opacity:0;transform:translateY(16px)}}@keyframes toast-in{from{opacity:0;transform:translateY(10px)}}@keyframes toast-out{to{opacity:0;transform:translateX(14px)}}@keyframes float{50%{translate:0 -10px}}@keyframes stage-in{from{opacity:0;translate:0 28px}to{opacity:1;translate:0 0}}.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:calc(var(--i,0)*55ms)}.reveal.is-in{opacity:1;transform:none}.hero .eyebrow,.hero h1,.hero .lead,.hero .search,.hero .quick,.trust,.crumbs,.page-head{animation:fade-up .7s var(--ease) both}.hero h1{animation-delay:.07s}.hero .lead{animation-delay:.14s}.hero .search{animation-delay:.2s}.hero .quick{animation-delay:.26s}.stage .fcard{opacity:0}.stage .f2{animation:stage-in .9s var(--ease) .35s both,float 7s ease-in-out 1.3s infinite}.stage .f1{animation:stage-in .9s var(--ease) .5s both,float 7s ease-in-out 1.5s infinite}.stage .f3{animation:stage-in .9s var(--ease) .65s both,float 7s ease-in-out 1.7s infinite}.calc{animation:fade-up .7s var(--ease) both .08s}@media(max-width:900px){.stage .fcard{opacity:1;animation:none!important}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal,.stage .fcard{opacity:1;transform:none}}.t-edu{--tc:#0891b2;--tb:#dcf6fb}.t-conv{--tc:#475569;--tb:#e8ecf2}.t-chem{--tc:#c026d3;--tb:#fbe7fd}.t-phys{--tc:#0284c7;--tb:#def1fd}.t-sport{--tc:#a16207;--tb:#fdf1d2}.t-build{--tc:#78716c;--tb:#efece9}.pane,.form,.field,.group,.prose,.res,.doc>*{min-width:0}.group .in{min-width:0;flex:1 1 auto}.trigger .val{min-width:0;flex:1 1 auto}.prose{overflow-wrap:anywhere;hyphens:auto}.prose img,.prose svg{max-width:100%;height:auto}.formula{overflow-x:auto;overflow-wrap:anywhere}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}.field>*{min-width:0;max-width:100%}.field .ui-select:not(.group .ui-select){width:100%}.skip{position:absolute;left:-999px;top:0;z-index:100;background:#fff;color:var(--primary);padding:.75rem 1.1rem;border-radius:0 0 12px 0;font-weight:600;box-shadow:var(--sh2)}.skip:focus{left:0}.hubsearch{margin:0 0 1.6rem;max-width:30rem}.hubsearch .in{height:3.1rem;padding-left:2.9rem;border-radius:999px;box-shadow:none;border-color:#dcdef6;background:#fff}.hubsearch>.i{position:absolute;left:1.05rem;top:50%;transform:translateY(-50%);color:var(--muted);z-index:1}.hubsearch{position:relative}.card[hidden]{display:none}#results[hidden],#popular[hidden],#none[hidden]{display:none!important}.grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,19rem),1fr))}@media(max-width:430px){.hero h1 span{white-space:normal}}.info-btn,.fmenu-btn{position:relative}.info-btn::after,.fmenu-btn::after{content:"";position:absolute;inset:-9px}.crumbs a{display:inline-block;padding:.55rem .2rem}.pill{min-height:2.75rem;display:inline-flex;align-items:center}.btn.sm{min-height:2.6rem}.toc a{padding-block:.4rem}.main-r strong,.row b,.row span,.res .row,.res strong{font-variant-numeric:tabular-nums}.tile-list a.seeall{font-weight:600;color:var(--primary)}.seeall-link{display:inline-block;margin-top:.9rem;font-weight:600;font-size:.95rem;color:var(--primary);padding:.4rem 0}.hubintro{max-width:44rem;margin:0 0 1.6rem;color:var(--muted)}.hubintro p{margin:0;font-size:1.04rem;line-height:1.7}@media(max-width:600px){.page-head h1{font-size:clamp(1.7rem,8vw,2.2rem)}.calc{gap:.9rem}.pane{padding:1rem}}@media(min-width:1500px){.wrap{max-width:82rem}}@media print{.site-header,.site-footer,.ftr,.toc,.similar,.rel,.solved,.actions,.skip,#toasts,.hubsearch,.rtools{display:none!important}body{background:#fff}.doc{display:block}.calc{break-inside:avoid;box-shadow:none}a{color:inherit}}.showcase,.showcase>*{min-width:0}@media(max-width:900px){.showcase{grid-template-columns:minmax(0,1fr)}}.cookie button,.cookie .btn{min-height:2.6rem}.g-tools{flex-wrap:wrap;max-width:100%;min-width:0}.g-tools .btn{flex:0 0 auto}.prose.hubintro,.prose.hubintro p{font-family:inherit}.brand{gap:0}.brandlogo{display:block;height:18px;width:auto}@media(min-width:700px){.brandlogo{height:22px}}.brand:hover .brandlogo{opacity:.88}h1,h2,.lead{text-wrap:balance}p{text-wrap:pretty}::selection{background:#454cff;color:#fff}.hero-bg::after{content:'';position:absolute;right:-5%;top:8%;width:min(46vw,540px);aspect-ratio:7/5;background:url(/logo-mark.svg) center/contain no-repeat;opacity:.05;transform:rotate(-6deg);pointer-events:none}@media(max-width:700px){.hero-bg::after{width:80vw;right:-20%;top:2%}}.card,.tile{transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}.card:hover,.tile:hover{border-color:#cfd2ff}.lab-row{display:flex;align-items:center;gap:.45rem;min-height:2rem}.info-btn{display:grid;place-items:center;width:1.6rem;height:1.6rem;padding:0;border:0;background:none;border-radius:50%;color:#585b73;transition:color .15s,transform .25s var(--ease)}.info-btn:hover,.info-btn[aria-expanded=true]{color:var(--primary);transform:scale(1.12)}.info-btn .i{width:1.3rem;height:1.3rem}.fmenu-btn{margin-left:auto;display:grid;place-items:center;width:2.1rem;height:2.1rem;padding:0;border:0;border-radius:11px;background:#ecedff;color:var(--primary);transition:background .15s,transform .2s var(--ease)}.fmenu-btn .i{width:1.05rem;height:1.05rem}.fmenu-btn:hover,.fmenu-btn[aria-expanded=true]{background:#dcdeff}.fmenu-btn:active{transform:scale(.92)}.field.pinned .lab::after{content:"";display:inline-block;width:.42rem;height:.42rem;margin-left:.5rem;border-radius:50%;background:var(--primary);vertical-align:middle}.fmenu{position:absolute;right:0;top:2.5rem;z-index:60;width:min(19rem,100%);min-width:15.5rem;padding:.45rem;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 28px 56px -18px rgba(11,12,36,.34),0 2px 6px rgba(11,12,36,.05);transform-origin:top right;animation:pop .18s var(--ease)}.fm-row{display:flex;align-items:center;gap:1rem;width:100%;padding:.8rem 1rem;border:0;background:none;border-radius:15px;font:400 1rem var(--sans);color:#3d4060;text-align:left;transition:background .15s}.fm-row:hover{background:var(--tint)}.fm-row .i{width:1.35rem;height:1.35rem;color:#575a70;flex:none}.fm-row[disabled]{opacity:.38;pointer-events:none}.fm-sep{height:1px;margin:.3rem .8rem;background:var(--line)}.switch{position:relative;flex:none;margin-left:auto;width:3rem;height:1.75rem;border-radius:99px;background:#dcdde4;transition:background .25s}.switch::after{content:"";position:absolute;left:.22rem;top:.22rem;width:1.31rem;height:1.31rem;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.28);transition:transform .28s var(--ease)}[aria-checked=true] .switch{background:var(--primary)}[aria-checked=true] .switch::after{transform:translateX(1.25rem)}.tip{position:absolute;left:0;top:2.4rem;z-index:60;width:min(19rem,100%);padding:.95rem 1.1rem;background:var(--ink);color:#fff;border-radius:16px;font-size:.88rem;line-height:1.6;box-shadow:0 24px 44px -16px rgba(11,12,36,.5);animation:pop .16s var(--ease)}.rename-in{flex:1;height:2rem;padding:0 .7rem;font-size:.95rem;font-weight:500;border-radius:10px;min-width:0}@media(max-width:560px){.fmenu{width:100%}}:root{--r:10px;--r-sm:8px;--r-lg:14px;--line:#e2e4ec;--tint:#f6f7fb;--muted:#565b6e;--ink:#101322;--sh1:none;--sh2:0 1px 2px rgba(16,19,34,.05),0 10px 28px -14px rgba(16,19,34,.16)}.btn,.pill,.eyebrow,.tag,.in,.search .in,.hubsearch .in{border-radius:8px}.tag,.eyebrow{border-radius:6px}.chip{border-radius:7px}.btn{box-shadow:none;font-weight:500;letter-spacing:0}.btn:not(.outline):not(.ghost):hover{background:var(--primary-dark)}.pill{box-shadow:none;padding:.4rem .85rem}.card{border-radius:12px;box-shadow:none}.tile{border-radius:14px;box-shadow:none}.card:hover,.tile:hover{transform:none;box-shadow:var(--sh2);border-color:#c9cde4}.hero h1{font-size:clamp(2rem,4.8vw,3.3rem);font-weight:600;letter-spacing:-.032em;line-height:1.12}.accent{font-family:inherit;font-style:normal;font-weight:600;letter-spacing:inherit}.eyebrow{box-shadow:none;background:var(--tint)}.hero-bg{background:linear-gradient(180deg,#f6f7ff 0%,#fff 70%)}.hero-bg::after{opacity:.035}.search .in{height:3.3rem;box-shadow:none;border:1px solid var(--line);background:#fff}.page-head h1,h1,h2{font-weight:600}.page-head h1{letter-spacing:-.028em}.site-header{background:#fff;backdrop-filter:none;border-bottom-color:var(--line)}.pane{padding:1.6rem}.res{background:linear-gradient(165deg,#2f35d9,#1c1f9a)}.res::before,.res::after{display:none}.kicker{letter-spacing:.1em}.toc a{border-radius:6px}.acc-item{border-radius:10px}.tbl{border-radius:10px}.hubintro p{color:var(--muted)}.group .ui-select{min-width:8.6rem}.hero-bg::after{display:none}.doc,.rel,.similar,.site-footer{content-visibility:auto;contain-intrinsic-size:auto 900px}@media(max-width:380px){.bar{gap:.5rem}.brandlogo{height:14px}.bar-end{gap:.15rem}.bar-end .btn.icon{width:2.3rem;height:2.3rem}.bar-end .btn.sm{padding-inline:.6rem}}.chartcard{margin:1.25rem 0 1.5rem;padding:1.5rem;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}.chart+.chart{margin-top:1.7rem;padding-top:1.6rem;border-top:1px solid var(--line)}.chart h3{margin:0 0 .25rem;font-size:1.05rem;font-weight:600}.chart>.muted{margin:0 0 .7rem}.chart-body{position:relative}.chart svg{width:100%;height:auto;display:block;overflow:visible}.chart svg text{font:11px var(--sans);fill:#5b6070}.chart svg text.dc1{font:600 20px var(--sans);fill:#101322}.chart svg text.mk{font:600 12px var(--sans);fill:#101322}.chart svg text.sc{fill:#101322}.legend{display:flex;flex-wrap:wrap;gap:.35rem 1.2rem;list-style:none;margin:.8rem 0 0;padding:0;font-size:.85rem;color:var(--muted)}.legend i{display:inline-block;width:.7rem;height:.7rem;border-radius:3px;margin-right:.45rem}.legend.col{flex-direction:column;flex-wrap:nowrap;gap:.6rem;margin:0;flex:1;min-width:13rem}.legend.col li{display:flex;align-items:center;gap:.5rem}.legend.col span{flex:1;color:var(--ink)}.legend.col small{color:var(--muted);min-width:3.4rem;text-align:right}.donutwrap{display:flex;gap:1.6rem;align-items:center;flex-wrap:wrap}.donutwrap svg{width:180px;flex:none}.ctip{position:absolute;pointer-events:none;z-index:5;background:#101322;color:#fff;font-size:.78rem;line-height:1.5;padding:.5rem .65rem;border-radius:8px;white-space:nowrap;transform:translate(-50%,0)}.actions{display:flex;flex-wrap:wrap;gap:.6rem}.actions .btn{flex:0 0 auto}.sources{margin:1rem 0 0;font-size:.92rem}.sources summary{cursor:default;display:inline-flex;align-items:center;gap:.5rem;padding:.35rem 0;font-weight:500;color:var(--ink);list-style:none}.sources summary::-webkit-details-marker{display:none}.sources summary::after{content:'';width:.5rem;height:.5rem;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);margin-top:-.2rem;transition:transform .2s}.sources[open] summary::after{transform:rotate(-135deg);margin-top:.2rem}.sources ul{margin:.4rem 0 0;padding-left:1.1rem;color:var(--muted);max-width:44rem}.sources li{margin:.3rem 0;line-height:1.55}.hubtitle{display:flex;align-items:center;gap:1rem;margin:.2rem 0 .6rem}.hubicon{display:grid;place-items:center;width:3.4rem;height:3.4rem;border-radius:12px;background:var(--tc,#454cff);color:#fff;flex:none}.hubicon .i{width:1.7rem;height:1.7rem}.hubtitle h1{margin:0}.hubcount{margin:.15rem 0 0;color:var(--muted);font-size:.95rem}.sov{position:fixed;inset:0;z-index:300;background:rgba(16,19,34,.45);display:flex;justify-content:center;align-items:flex-start;padding:9vh 1rem 1rem}.sov[hidden]{display:none}.sbox{width:min(40rem,100%);background:#fff;border-radius:14px;box-shadow:0 30px 70px -20px rgba(16,19,34,.45);padding:1rem}.srow{display:flex;gap:.6rem}.srow .in{flex:1}.sres{list-style:none;margin:.8rem 0 0;padding:0;max-height:60vh;overflow:auto}.sres a{display:flex;align-items:center;gap:.8rem;padding:.65rem .6rem;border-radius:8px;color:var(--ink)}.sres a:hover,.sres a:focus{background:var(--tint);outline:none}.sres small{color:var(--muted);font-weight:400}.sres .chip{flex:none}body.lock{overflow:hidden}.nav-x,.nav-h,.nav-signin,.nav-bg{display:none}.nav-dd-menu .ci{width:1.35rem;height:1.35rem;margin-right:.7rem;color:var(--primary);flex:none}.nav-dd-menu a{justify-content:flex-start}.nav-dd-menu a small{margin-left:auto}@media(max-width:900px){.nav{position:fixed;top:0;left:0;right:auto;bottom:0;width:min(88vw,380px);height:100dvh;overflow-y:auto;padding:4.2rem 1.4rem 1.5rem;border:0;border-right:1px solid var(--line);box-shadow:24px 0 60px -24px rgba(16,19,34,.35);transform:translateX(-104%);opacity:1;pointer-events:none;transition:transform .28s var(--ease);z-index:210;background:#fff}.nav.open{transform:none;pointer-events:auto}.nav-x{display:grid;place-items:center;position:absolute;top:.9rem;left:1rem;width:2.6rem;height:2.6rem;border:0;background:var(--tint);border-radius:8px;color:var(--ink)}.nav-bg{display:block;position:fixed;inset:0;z-index:205;background:rgba(16,19,34,.45);opacity:0;pointer-events:none;transition:opacity .25s}.site-header:has(.nav.open) .nav-bg{opacity:1;pointer-events:auto}.nav-h{display:block;margin:1.4rem 0 .3rem;font-size:1.5rem;font-weight:600;letter-spacing:-.02em}.nav-dd-menu a{padding:.8rem 0;font-size:1.05rem;color:var(--ink)}.nav-dd-menu .ci{width:1.6rem;height:1.6rem}.nav a.nav-signin{color:#fff;box-shadow:0 0 0 1rem #fff}.nav-signin{display:flex;position:sticky;bottom:1rem;width:100%;justify-content:center;align-items:center;height:3.2rem;margin-top:1.5rem}.chartcard{padding:1.1rem}.hubicon{width:3rem;height:3rem}}.stickres{position:fixed;left:.75rem;right:.75rem;bottom:calc(.75rem + env(safe-area-inset-bottom));z-index:60;display:flex;align-items:center;gap:.8rem;padding:.7rem .55rem .7rem 1rem;background:#1c1f9a;color:#fff;border-radius:12px;box-shadow:0 12px 30px -10px rgba(16,19,34,.5)}.stickres[hidden]{display:none}.stickres .sl{flex:1;min-width:0;font-size:.82rem;opacity:.85;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stickres .sv{font-size:1.2rem;font-weight:600;white-space:nowrap}.stickres .sgo{display:grid;place-items:center;width:2.4rem;height:2.4rem;border:0;border-radius:8px;background:rgba(255,255,255,.14);color:#fff}.crumbs{white-space:nowrap;overflow-x:auto;scrollbar-width:none}.crumbs::-webkit-scrollbar{display:none}.group .ui-select{min-width:7.2rem}.trigger{padding-inline:.8rem}@media(max-width:900px){.nav{box-shadow:none}.nav.open{box-shadow:24px 0 60px -24px rgba(16,19,34,.35)}}@media(min-width:720px) and (max-width:900px){.calc{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}@media(max-width:600px){.page-head .tag{display:none}.page-head h1{font-size:clamp(1.55rem,7.2vw,1.95rem);margin-top:.2rem}.page-head .lead{font-size:1rem;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.page-head .meta{margin-top:.5rem}.page-head .meta span:not(:last-child){display:none}input,select,textarea,.in{font-size:16px}}@media(hover:none){.card:hover,.tile:hover{box-shadow:none;border-color:var(--line)}}:root{--bg:#fff;--ink:#09090b;--muted:#71717a;--line:#e4e4e7;--tint:#f4f4f5;--soft:#f4f4f5;--card:#fff;--primary:#454cff;--primary-dark:#3a40e8;--deep:#18181b;--ring:rgba(69,76,255,.28);--r:12px;--r-sm:8px;--r-lg:12px;--sh1:0 1px 2px 0 rgba(0,0,0,.05);--sh2:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -2px rgba(0,0,0,.05);--sh3:0 10px 15px -3px rgba(0,0,0,.1);--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;--serif:var(--sans)}body{font:400 15px/1.65 var(--sans);background:#fff}h1,h2,h3{font-weight:600;letter-spacing:-.025em}.prose{font-family:var(--sans);font-size:1rem;line-height:1.75;color:#3f3f46}.prose .intro p:first-child{font-size:1.125rem;line-height:1.7;color:var(--ink)}.prose h2{font-size:1.5rem;margin:2.4rem 0 .8rem;padding-bottom:.45rem;border-bottom:1px solid var(--line);font-weight:600}.prose h3{font-size:1.2rem}.prose a{color:var(--primary);font-weight:500}.prose ol.steps-ol li::before{border-radius:6px;background:var(--tint);color:var(--ink);font-weight:600;font-size:.85rem}.prose li::marker{color:#a1a1aa}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;height:2.25rem;padding:0 1rem;border:1px solid transparent;border-radius:8px;font-size:.875rem;font-weight:500;box-shadow:var(--sh1);transition:background .15s,border-color .15s,color .15s,opacity .15s;white-space:nowrap}.btn:hover{transform:none}.btn:active{transform:none;opacity:.9}.btn.outline{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--sh1)}.btn.outline:hover{background:var(--tint);border-color:var(--line);color:var(--ink)}.btn.ghost{background:transparent;box-shadow:none;color:var(--ink);border-color:transparent}.btn.ghost:hover{background:var(--tint)}.btn.sm{height:2rem;min-height:0;padding:0 .75rem;font-size:.8125rem}.btn.icon{width:2.25rem;padding:0}.in{height:2.25rem;padding:0 .75rem;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--sh1);font-size:.875rem;color:var(--ink)}.in::placeholder{color:#a1a1aa}.in:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px var(--ring);outline:0}.trigger{height:2.25rem;padding:0 .75rem;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--sh1);font:400 .875rem var(--sans)}.trigger:hover{background:#fff;border-color:#d4d4d8}.trigger[aria-expanded=true]{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px var(--ring)}.group .in{border-radius:8px 0 0 8px}.group .in:only-child{border-radius:8px}.group .trigger{border-radius:0 8px 8px 0;margin-left:-1px;background:var(--tint)}.menu{border:1px solid var(--line);border-radius:8px;box-shadow:var(--sh2);padding:.25rem;background:#fff}.menu li{padding:.4rem .5rem;border-radius:6px;font-size:.875rem}.menu li:hover,.menu li.act{background:var(--tint)}.menu li[aria-selected=true]{color:var(--ink);font-weight:500}.lab{font-size:.875rem;font-weight:500}.fmenu-btn{border-radius:6px;background:var(--tint);color:var(--muted)}.fmenu-btn:hover,.fmenu-btn[aria-expanded=true]{background:#e4e4e7}.info-btn{color:#a1a1aa}.info-btn:hover,.info-btn[aria-expanded=true]{color:var(--ink);transform:none}.card{border-radius:12px;box-shadow:var(--sh1)}.tile{border-radius:12px;padding:1.4rem;box-shadow:var(--sh1)}.card:hover,.tile:hover{border-color:#d4d4d8;background:#fafafa;transform:none;box-shadow:var(--sh1)}.tile-list a{border-radius:6px;font-size:.875rem}.tile-list a:hover{background:var(--tint);color:var(--ink);padding-left:.75rem}.tile-list a:hover .i{color:var(--ink)}.tile-list a.seeall{color:var(--primary)}.chip,.tile .chip{border-radius:8px;background:var(--tint);color:var(--tc,var(--ink));box-shadow:none}.tile .chip{width:2.5rem;height:2.5rem}.tag{border-radius:6px;background:var(--tint);color:var(--ink);border:1px solid var(--line);padding:.15rem .6rem .15rem .3rem;font-size:.75rem;font-weight:600}.tag .chip{width:1.4rem;height:1.4rem;border-radius:5px;background:#fff;border:1px solid var(--line)}.eyebrow{border-radius:6px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh1);font-size:.8125rem}.eyebrow b{border-radius:4px;background:var(--primary)}.pill{height:2.25rem;padding:0 .75rem;border-radius:8px;font-size:.8125rem;box-shadow:var(--sh1);min-height:0}.pill:hover{background:var(--tint);color:var(--ink);border-color:var(--line);transform:none}.pill .i{color:var(--muted)}.sec .kicker{color:var(--muted);font-weight:600;letter-spacing:.08em;font-size:.75rem}.hero{padding-top:4rem}.hero-bg{background:none}.hero-bg::after{display:none}.hero h1{font-weight:700;letter-spacing:-.04em}.search>.i{left:.9rem}.search .in{height:2.75rem;border-radius:8px;box-shadow:var(--sh1);border:1px solid var(--line);padding-left:2.6rem;font-size:.9375rem}.page-head h1{font-weight:700;letter-spacing:-.035em;font-size:clamp(1.75rem,4vw,2.5rem)}.calc{border-radius:12px;box-shadow:var(--sh1);animation:none}.calc>.pane:first-child{border-radius:12px 0 0 12px}.calc>.pane.res{border-radius:0 12px 12px 0}.calc .pane{padding:1.5rem}.calc .pane.res{background:#fafafa;color:var(--ink);border-left:1px solid var(--line)}.calc .pane.res::before{display:none}.rhead h2{font-size:.95rem;font-weight:600;opacity:1}.main-r{border-bottom:1px solid var(--line)}.main-r span{color:var(--muted);opacity:1;font-size:.8125rem}.main-r strong{font-size:clamp(2rem,4vw,2.5rem);font-weight:700;letter-spacing:-.035em;color:var(--ink)}.res .row{border-color:var(--line)}.row span{opacity:1;color:var(--muted)}.row b{color:var(--ink)}.pane.res .btn.ghost{color:var(--ink)}.pane.res .btn.ghost:hover{background:#ececee}.pane.res .muted{color:var(--muted)}.stickres{background:#18181b;border-radius:10px}.acc{border:0;border-radius:0;background:none;box-shadow:none}.acc-item{border-radius:0;border-bottom:1px solid var(--line)}.acc-item+.acc-item{border-top:0}.acc-q{padding:1rem 0;font-size:.95rem;font-weight:500}.acc-q:hover{background:none;text-decoration:underline}.acc-a p{padding:0 0 1rem;margin:0;font-size:.9rem;color:var(--muted)}.acc-item.open .acc-q .i{color:var(--ink)}.tbl{border-radius:8px}.tbl th{background:#fafafa;color:var(--muted);font-weight:500;font-size:.8rem}.cookie-banner{border-radius:12px;box-shadow:var(--sh3)}.toast{border-radius:8px;background:#18181b}.sbox{border-radius:12px}kbd{border-radius:4px}@media(min-width:901px){.nav .nav-signin{display:none!important}.site-header{background:rgba(255,255,255,.97)}.bar{height:3.5rem}.nav a,.nav-dd-btn{font-size:.875rem;font-weight:500;border-radius:6px;padding:.4rem .7rem;color:#52525b}.nav a:hover,.nav-dd-btn:hover,.nav-dd-btn[aria-expanded=true]{background:var(--tint);color:var(--ink)}.nav a[aria-current]{background:transparent;color:var(--ink)}.nav-dd-menu{border-radius:8px;box-shadow:var(--sh2);padding:.25rem;min-width:14rem}.nav-dd-menu a{border-radius:6px;font-size:.875rem;padding:.45rem .6rem}.nav-dd-menu a:hover{background:var(--tint);color:var(--ink)}}@media(max-width:900px){.calc>.pane:first-child{border-radius:12px 12px 0 0}.calc>.pane.res{border-radius:0 0 12px 12px;border-left:0;border-top:1px solid var(--line)}.nav-dd-menu a:hover{background:none;color:var(--ink)}}@media(max-width:600px){input,select,textarea,.in,.trigger{font-size:16px}}@media(pointer:coarse){.btn{min-height:2.6rem}.btn.sm{min-height:2.5rem}.in,.trigger{height:2.75rem}.pill{min-height:2.6rem}}:root{--sans:"Work Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;--serif:var(--sans);--mono:ui-monospace,"SF Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,"Liberation Mono",monospace}body{font-size:15.5px;font-synthesis:none}.btn,.lab,.nav a,.nav-dd-btn,.pill,.tag{font-weight:500}.hero h1,.page-head h1,.prose h2{font-weight:700}.authcard{border:1px solid var(--line);border-radius:12px;padding:1.75rem;box-shadow:var(--sh1);background:#fff}.authcard h1{font-size:1.5rem;margin:0 0 .4rem}.authcard .btn.block{height:2.6rem;margin:1.2rem 0 1rem}.authnote{margin:0}.toast{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--sh2)}.crumbs{font-size:.8125rem;color:var(--muted)}.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--ink)}.crumbs span{color:var(--ink);font-weight:500}.crumbs .sep{width:.9rem;height:.9rem;margin:0 .15rem;vertical-align:-.15em;color:#a1a1aa}.doc{gap:3.5rem}.prose{max-width:44rem}.prose p{margin:0 0 1.1rem}.prose h2{scroll-margin-top:5.5rem;letter-spacing:-.025em}.prose h2 .hanchor{margin-left:.5rem;color:#a1a1aa;font-weight:500;text-decoration:none;opacity:0;transition:opacity .15s}.prose h2:hover .hanchor,.prose h2 .hanchor:focus{opacity:1}.prose ul,.prose ol{padding-left:1.3rem}.prose li{margin:.4rem 0}.prose strong{color:var(--ink);font-weight:700}.formula{font:400 .875rem/1.7 var(--mono);background:#fafafa;border:1px solid var(--line);border-left:1px solid var(--line);border-radius:8px;padding:.85rem 1rem;margin:1rem 0;color:var(--ink);letter-spacing:0}.tbl{border-radius:8px;box-shadow:var(--sh1)}.tbl th{font-size:.78rem;text-transform:none;letter-spacing:0}.tbl tbody tr:hover td{background:#fafafa}.prose ol.steps-ol{display:grid;gap:.6rem;margin:1rem 0}.prose ol.steps-ol li{border:1px solid var(--line);border-radius:10px;padding:.85rem 1rem .85rem 3.3rem;margin:0;background:#fff;box-shadow:var(--sh1)}.prose ol.steps-ol li::before{left:.9rem;top:.8rem;width:1.65rem;height:1.65rem;border-radius:6px;background:var(--ink);color:#fff;font-size:.8rem}.faq{margin-top:2.8rem}.byline{font-size:.8125rem;color:var(--muted);border-top:1px solid var(--line);margin-top:2.4rem;padding-top:1rem}.toc{top:5.5rem;border-left:1px solid var(--line);padding-left:1rem}.toc h4{text-transform:none;letter-spacing:0;font-size:.8125rem;font-weight:700;color:var(--ink);margin:0 0 .5rem}.toc a{border-left:0;padding:.3rem 0;font-size:.8125rem;line-height:1.45;color:var(--muted)}.toc a:hover{color:var(--ink);border-color:transparent}.toc a[aria-current]{color:var(--ink);font-weight:700}.page-head .meta span:not(:last-child){}@media(max-width:600px){.page-head .meta span:not(:last-child){display:inline-flex}.page-head .meta span:nth-child(-n+3){display:none}}@media(max-width:430px){.os-tabs button{padding:.5rem .6rem;font-size:.85rem}.os-tabs button svg{display:none}}.os-tabs{border-radius:10px}.os-tabs button{border-radius:8px}
/* --- fixes --- */
.grid{grid-auto-rows:1fr}
.card{align-items:flex-start}.card .go{align-self:center}
.tbl{background:linear-gradient(to right,#fff 30%,rgba(255,255,255,0)),linear-gradient(to left,#fff 30%,rgba(255,255,255,0)) 100% 0,radial-gradient(farthest-side at 0 50%,rgba(0,0,0,.14),rgba(0,0,0,0)),radial-gradient(farthest-side at 100% 50%,rgba(0,0,0,.14),rgba(0,0,0,0)) 100% 0;background-repeat:no-repeat;background-color:#fff;background-size:36px 100%,36px 100%,12px 100%,12px 100%;background-attachment:local,local,scroll,scroll}
@media(max-width:600px){.tbl table{min-width:0;font-size:.82rem}.tbl th,.tbl td{padding:.55rem .6rem;white-space:normal;vertical-align:top}}
.cookie-banner{width:min(22rem,calc(100vw - 2rem));padding:1rem}.cookie-banner p{font-size:.8125rem;margin-bottom:.8rem}
@media(max-width:560px){.cookie-banner{left:.75rem;right:.75rem;bottom:.75rem;width:auto}}
@media(max-width:900px){#toasts{left:1rem;right:1rem;bottom:auto;top:4.6rem;justify-items:center}}
.toast{z-index:400}

/* --- fonts: real 500/600 weights + metric-matched fallback --- */



:root{--sans:"Work Sans","Work Fallback",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;--serif:var(--sans)}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;font-optical-sizing:auto;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body,button,input,select,textarea{font-family:var(--sans)}

/* ===== footer (ftr) ===== */
.ftr{background:#fff;border-top:1px solid var(--line);color:var(--ink);content-visibility:auto;contain-intrinsic-size:auto 560px}
.ftr .wrap{padding-top:3.75rem;padding-bottom:1.75rem}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr a{color:inherit;text-decoration:none}
.ftr-main{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,9fr);gap:3rem 3rem;align-items:start}
.ftr-brand .brandlogo{height:22px;width:auto;display:block}
.ftr-brand p{max-width:21rem;margin:1rem 0 1.4rem;font-size:.9rem;line-height:1.65;color:var(--muted)}
.ftr-social{display:flex;gap:.5rem;flex-wrap:wrap}
.ftr-social a{display:grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);line-height:0;transition:color .15s,border-color .15s,background .15s,transform .25s var(--ease)}
.ftr-social a:hover{color:var(--primary);border-color:rgba(70,75,255,.35);background:rgba(70,75,255,.05);transform:translateY(-2px)}
.ftr-social .i{width:1.1rem;height:1.1rem;display:block;fill:currentColor;stroke:none}
.ftr-install{display:inline-flex;align-items:center;gap:.55rem;margin-top:1.4rem;height:2.5rem;padding:0 1rem 0 .85rem;border:1px solid var(--line);border-radius:10px;background:var(--tint);font-size:.875rem;font-weight:500;color:var(--ink);transition:border-color .15s,background .15s}
.ftr-install .i{width:1.05rem;height:1.05rem;color:var(--primary)}
.ftr-install:hover{border-color:rgba(70,75,255,.35);background:rgba(70,75,255,.05)}
.ftr-nav{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.9fr) minmax(0,.9fr);gap:2rem 2.5rem}
.ftr-h{margin:0 0 .85rem;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.ftr-col a{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.32rem 0;font-size:.9rem;color:var(--muted);transition:color .15s}
.ftr-col a:hover{color:var(--ink)}
.ftr-col a small{font-size:.75rem;font-weight:500;color:#a1a1aa;font-variant-numeric:tabular-nums;transition:color .15s}
.ftr-col a:hover small{color:var(--primary)}
.ftr-col-cats ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:1.6rem}
.ftr-col-cats a{justify-content:flex-start;gap:.5rem}
.ftr-col-cats a small{margin-left:auto}
.ftr-col a.ftr-more{justify-content:flex-start;gap:.4rem;margin-top:.35rem;color:var(--primary);font-weight:500}
.ftr-col a.ftr-more .i{width:1rem;height:1rem;transition:transform .25s var(--ease)}
.ftr-col a.ftr-more:hover{color:var(--primary-dark)}
.ftr-col a.ftr-more:hover .i{transform:translateX(3px)}
.ftr-credit{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.9rem 1.5rem;margin-top:3rem;padding:1.1rem 1.3rem;border:1px solid var(--line);border-radius:14px;background:var(--tint)}
.ftr-by{margin:0;font-size:.875rem;color:var(--muted)}.ftr-by strong{color:var(--ink);font-weight:600}
.ftr-tr{display:inline-flex;align-items:center;gap:.7rem;font-size:.8125rem;color:var(--muted);transition:color .15s}
.ftr-tr img{display:block;height:22px;width:auto}
.ftr-tr .i{width:1rem;height:1rem;transition:transform .25s var(--ease)}
.ftr-tr:hover{color:var(--ink)}.ftr-tr:hover .i{transform:translate(2px,-2px)}
.ftr-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.9rem 2rem;margin-top:1.6rem;padding-top:1.4rem;border-top:1px solid var(--line);font-size:.8125rem;color:var(--muted)}
.ftr-copy{margin:0;max-width:34rem;line-height:1.55}
.ftr-legal{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem 1.3rem}
.ftr-legal a{padding:.3rem 0;color:var(--muted);transition:color .15s}.ftr-legal a:hover{color:var(--ink)}
.ftr-up{display:inline-flex;align-items:center;gap:.4rem;height:2rem;padding:0 .8rem;margin-left:.4rem;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:500 .8125rem var(--sans);transition:border-color .15s,background .15s}
.ftr-up .i{width:.95rem;height:.95rem;transition:transform .25s var(--ease)}
.ftr-up:hover{border-color:rgba(70,75,255,.35);background:rgba(70,75,255,.05)}.ftr-up:hover .i{transform:translateY(-2px)}
@media(max-width:1000px){.ftr-main{grid-template-columns:minmax(0,1fr);gap:2.5rem}.ftr-brand p{max-width:34rem}}
@media(max-width:720px){.ftr .wrap{padding-top:2.75rem}.ftr-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem 1.5rem}.ftr-col-cats{grid-column:1/-1;order:3}.ftr-col a{padding:.45rem 0}.ftr-legal a{padding:.45rem 0}}
@media(max-width:480px){.ftr-credit{flex-direction:column;align-items:flex-start;padding:1rem}.ftr-up{margin-left:auto}.ftr-bottom{gap:1.1rem}.ftr-nav{gap:1.8rem 1rem}}@media(max-width:340px){.ftr-nav{grid-template-columns:minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){.ftr *{transition:none!important}}
.ftr-col-cats a span{white-space:nowrap}

/* ===== typography: Work Sans (text/UI) + Bricolage Grotesque (display) ===== */
@font-face{font-family:"Work Sans";src:url(/fonts/worksans-400.woff) format("woff");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Work Sans";src:url(/fonts/worksans-500.woff) format("woff");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Work Sans";src:url(/fonts/worksans-600.woff) format("woff");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Work Sans";src:url(/fonts/worksans-700.woff) format("woff");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Bricolage Grotesque";src:url(/fonts/bricolage-700.woff) format("woff");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Work Fallback";src:local("Arial"),local("Helvetica"),local("Liberation Sans");size-adjust:111%;ascent-override:83.8%;descent-override:21.9%;line-gap-override:0%}
@font-face{font-family:"Bricolage Fallback";src:local("Arial Bold"),local("Arial"),local("Helvetica"),local("Liberation Sans");size-adjust:102%;ascent-override:91.2%;descent-override:26.5%;line-gap-override:0%}
:root{--sans:"Work Sans","Work Fallback",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;--serif:var(--sans);--display:"Bricolage Grotesque","Bricolage Fallback","Work Sans","Work Fallback",ui-sans-serif,system-ui,sans-serif}
body{font-feature-settings:"kern","liga","calt"}
h1,h2,h3,.big,.hero-h,.ph{font-family:var(--display);font-weight:700;font-synthesis:none}
.main-r strong{font-family:var(--display);font-weight:700;font-synthesis:none}

/* ===== navigation drawer + sidebar ===== */
@media(min-width:901px){.nav-top,.nav-search,.nav-foot,.nav-ic,.nav-t small{display:none}.nav-scroll,.nav-main,.nav-t{display:contents}.nav-t b{font-weight:inherit}.nav{align-items:center}}
@media(max-width:900px){
.nav{display:flex;flex-direction:column;gap:0;width:min(86vw,360px);padding:0;overflow:hidden;border-radius:0 22px 22px 0;background:#fff;border-right:1px solid var(--line);transition:transform .26s cubic-bezier(.2,.7,.2,1);will-change:transform;contain:layout paint style;backface-visibility:hidden}
.nav-top{display:flex;align-items:center;justify-content:space-between;flex:none;height:3.5rem;padding:0 .85rem 0 1.25rem;border-bottom:1px solid var(--line)}
.nav-top .brandlogo{display:block;height:20px;width:auto}
.nav .nav-x{position:static;display:grid;place-items:center;width:2.25rem;height:2.25rem;padding:0;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);transition:background .15s}
.nav .nav-x:hover{background:var(--tint)}
.nav-scroll{display:block;flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:1rem 1rem 1.5rem;-webkit-overflow-scrolling:touch}
.nav-search{display:flex;align-items:center;gap:.65rem;width:100%;height:2.75rem;padding:0 .9rem;border:1px solid var(--line);border-radius:12px;background:var(--tint);color:var(--muted);font:400 .9rem var(--sans);text-align:left;transition:border-color .15s,background .15s}
.nav-search:hover{border-color:#d4d4d8;background:#fff}
.nav-search .i{width:1.05rem;height:1.05rem;flex:none}
.nav-main{display:grid;gap:.15rem;margin-top:1rem}
.nav .nav-main a,.nav .nav-dd-menu a{display:flex;align-items:center;gap:.8rem;padding:.42rem .55rem;border-radius:12px;background:none;color:var(--ink);font-size:.95rem;font-weight:500;transition:background .15s}
.nav .nav-main a:hover,.nav .nav-dd-menu a:hover{background:var(--tint);color:var(--ink)}
.nav .nav-main a[aria-current],.nav .nav-dd-menu a[aria-current],.nav .nav-dd-menu a[data-parent]{background:rgba(70,75,255,.07);color:var(--ink)}
.nav .nav-ic,.nav .nav-dd-menu .ci{box-sizing:content-box;display:block;width:1.05rem;height:1.05rem;padding:.5rem;margin:0;border-radius:10px;background:rgba(70,75,255,.08);color:var(--primary);flex:none}
.nav .nav-main a[aria-current] .nav-ic,.nav .nav-dd-menu a[aria-current] .ci,.nav .nav-dd-menu a[data-parent] .ci{background:var(--primary);color:#fff}
.nav-t{display:flex;flex-direction:column;min-width:0}
.nav-t b{font-weight:600;font-size:.95rem;line-height:1.25}
.nav-t small{display:block;margin-top:.1rem;color:var(--muted);font-size:.78rem;font-weight:400}
.nav-dd{margin-top:1.4rem}
.nav .nav-h{display:block;margin:0 0 .45rem;padding:0 .55rem;font-size:.6875rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.nav .nav-dd-menu{display:grid;gap:.1rem;margin:0;padding:0}
.nav .nav-dd-menu a small{margin-left:auto;min-width:1.7rem;padding:.12rem .5rem;border-radius:999px;background:var(--tint);color:var(--muted);font-size:.72rem;font-weight:600;text-align:center;font-variant-numeric:tabular-nums}
.nav-foot{display:grid;gap:.6rem;flex:none;padding:.9rem 1rem calc(.9rem + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fff}
.nav .nav-signin{position:static;display:flex;margin:0;height:2.85rem;width:100%;justify-content:center;align-items:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 6px 16px -6px rgba(70,75,255,.6)}
.nav a.nav-signin{color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 6px 16px -6px rgba(70,75,255,.6)}
.nav a.nav-signin:hover{background:var(--primary-dark);color:#fff}
.nav .nav-install{display:flex;align-items:center;justify-content:center;gap:.5rem;height:2.6rem;padding:0 1rem;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-size:.9rem;font-weight:500;transition:background .15s,border-color .15s}
.nav .nav-install:hover{background:var(--tint);border-color:#d4d4d8}
.nav .nav-install .i{width:1.05rem;height:1.05rem;color:var(--primary)}
.nav-bg{background:rgba(11,12,36,.45);transition:opacity .2s linear}



}

@media(prefers-reduced-motion:reduce){.nav,.nav *{animation:none!important;transition:none!important}}
/* on this page (desktop sidebar) */
.toc{top:6rem;padding-left:0;border-left:0}
.toc h4{display:flex;align-items:center;gap:.5rem;margin:0 0 .8rem;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.toc h4::after{content:"";flex:1;height:1px;background:var(--line)}
.toc a{position:relative;display:block;margin:0;padding:.45rem .6rem .45rem 1rem;border-left:2px solid var(--line);border-radius:0 8px 8px 0;font-size:.8125rem;font-weight:500;line-height:1.45;color:var(--muted);transition:color .15s,border-color .2s,background .2s}
.toc a:hover{color:var(--ink);border-left-color:#b9bcc8;background:var(--tint)}
.toc a[aria-current]{color:var(--primary);font-weight:500;border-left-color:var(--primary);background:linear-gradient(90deg,rgba(70,75,255,.08),rgba(70,75,255,0))}
/* footer category icons */
.ftr-col-cats a .ci{width:1.05rem;height:1.05rem;flex:none;color:#8b8fa3;transition:color .15s}
.ftr-col-cats a:hover .ci{color:var(--primary)}
.ftr-col-cats a{gap:.6rem}
@media(max-width:900px){.nav a.nav-signin{border-radius:12px}}

/* ===== skeleton loaders ===== */
:root{--sk:#ececf2;--sk-hi:rgba(255,255,255,.7)}
.sk{position:relative;display:block;overflow:hidden;background:var(--sk);border-radius:8px;color:transparent!important;user-select:none;pointer-events:none}
.sk::after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,var(--sk-hi),transparent);animation:skShimmer 1.5s ease-in-out infinite}
@keyframes skShimmer{to{transform:translateX(100%)}}
.sk-line{height:.8rem;width:100%;border-radius:6px}.sk-line.s{width:38%}.sk-line.m{width:68%}
.sk-block{height:2.75rem;width:100%;border-radius:10px}.sk-pill{border-radius:999px}.sk-circle{border-radius:50%}
.sk-chip{width:2.25rem;height:2.25rem;border-radius:10px;flex:none}
@media(prefers-reduced-motion:reduce){.sk::after{animation:none;opacity:0}.sk{animation:skPulse 1.8s ease-in-out infinite}@keyframes skPulse{50%{opacity:.55}}}
/* calculator result */
.sk-out{display:grid;gap:.15rem}.sk-out .sk-main{display:grid;gap:.5rem;padding-bottom:1rem}
.sk-out .sk-r{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0;border-top:1px solid var(--line)}
.sk-out .sk-r .sk-line:first-child{width:48%}.sk-out .sk-r .sk-line:last-child{width:22%}
/* charts */
.chartcard[aria-busy=true]{display:block}.sk-chart{display:grid;gap:1rem;padding:.25rem 0}
.sk-chart .sk-bars{display:flex;align-items:flex-end;gap:.9rem;height:11rem;padding:0 .4rem}
.sk-chart .sk-bars .sk{flex:1;border-radius:8px 8px 4px 4px}
/* search rows */
.sk-row{display:flex;align-items:center;gap:.8rem;padding:.65rem .9rem;list-style:none}.sk-row .sk-col{display:grid;gap:.5rem;flex:1}
/* dashboard */
.sk-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:1rem;margin:1.2rem 0}
.sk-stats>div{display:grid;gap:.7rem;padding:1.1rem;border:1px solid var(--line);border-radius:12px;background:#fff}
/* header account button while the session is being checked */
.has-session #auth-btn:not([data-ready]),.has-session .nav-signin:not([data-ready]){position:relative;overflow:hidden;color:transparent!important;background:var(--sk)!important;border-color:transparent!important;box-shadow:none!important;pointer-events:none;min-width:5.2rem}
.has-session #auth-btn:not([data-ready])::after,.has-session .nav-signin:not([data-ready])::after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,var(--sk-hi),transparent);animation:skShimmer 1.5s ease-in-out infinite}

/* unit dropdowns: size to the label instead of cutting it off ("per mo…") */
.calc .group .ui-select,.group .ui-select{width:max-content;min-width:8.6rem;max-width:58%;flex:0 0 auto}
.calc .group .ui-select .trigger{width:100%}
.calc .group .ui-select .trigger .val{overflow:visible;text-overflow:clip}
.calc .group .ui-select .menu{left:auto;right:0;width:max-content;min-width:100%;max-width:min(20rem,86vw)}