@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/bricolage-grotesque-vietnamese-wght-normal.BUzh504Q.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/bricolage-grotesque-latin-ext-wght-normal.CcLUaPy7.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/bricolage-grotesque-latin-wght-normal.DLoelf7F.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-wght-normal.DqGufNeO.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-wght-normal.DlzME5K_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-wght-normal.CkhJZR-_.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-wght-normal.Dx4kXJAl.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--ink:#0f2a24;--ink-2:#1b3f36;--paper:#f5efe2;--paper-2:#ece3cf;--card:#fffcf5;--line:#0f2a2424;--line-strong:#0f2a2447;--muted:#4f625b;--signal:#ff6a3d;--signal-deep:#b8401a;--gold:#ffc845;--gold-soft:#fff1c4;--mint:#5fd3a6;--mint-deep:#17694c;--mint-soft:#d9f5e9;--brick:#8e4b37;--display:"Bricolage Grotesque Variable", "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;--body:"Inter Variable", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--radius:14px;--radius-lg:22px;--shadow:0 1px 0 #0f2a240f, 0 10px 30px -12px #0f2a2438;--max:1160px;--read:700px;--gutter:clamp(16px, 4vw, 32px)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:88px}body{background:var(--paper);color:var(--ink);font-family:var(--body);font-feature-settings:"cv11", "ss01";-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:17px;line-height:1.6}img,svg,video{max-width:100%;height:auto;display:block}h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.02em;text-wrap:balance;margin:0 0 .5em;font-weight:750;line-height:1.08}h1{letter-spacing:-.035em;font-size:clamp(2.3rem,5.4vw,4.1rem);font-weight:800}h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}h3{letter-spacing:-.01em;font-size:clamp(1.2rem,2vw,1.4rem)}p{text-wrap:pretty;margin:0 0 1em}a{color:inherit;text-decoration-color:var(--signal);text-underline-offset:3px;text-decoration-thickness:2px}a:hover{text-decoration-color:var(--ink)}:focus-visible{outline:3px solid var(--signal);outline-offset:3px;border-radius:6px}.num,table,output{font-variant-numeric:tabular-nums}.wrap{width:100%;max-width:var(--max);padding-inline:var(--gutter);margin-inline:auto}.read{max-width:var(--read)}.skip{position:absolute;left:-9999px}.skip:focus{z-index:100;background:var(--ink);color:var(--paper);border-radius:10px;padding:10px 16px;top:12px;left:16px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.kicker{font-family:var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);align-items:center;gap:8px;font-size:.78rem;font-weight:700;display:inline-flex}.kicker:before{content:"";background:var(--signal);border-radius:3px;width:10px;height:10px;transform:rotate(45deg)}.lede{color:var(--ink-2);max-width:62ch;font-size:clamp(1.08rem,1.6vw,1.25rem)}.muted{color:var(--muted)}.small{font-size:.875rem}.chip{background:var(--card);border:1px solid var(--line);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.chip--mint{background:var(--mint-soft);color:var(--mint-deep);border-color:#0000}.chip--gold{background:var(--gold-soft);color:#6b4b00;border-color:#0000}.dot{background:currentColor;border-radius:50%;width:8px;height:8px}.btn{--bg:var(--ink);--fg:var(--paper);border:2px solid var(--bg);background:var(--bg);min-height:48px;color:var(--fg);font:700 1rem/1 var(--body);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:0 22px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:inline-flex}.btn:hover{transform:translateY(-1px);box-shadow:0 6px 0 -2px #0f2a2440}.btn:active{box-shadow:none;transform:translateY(0)}.btn--signal{--bg:var(--signal);--fg:var(--ink)}.btn--ghost{--bg:transparent;--fg:var(--ink);border-color:var(--line-strong)}.btn--small{min-height:40px;padding:0 16px;font-size:.92rem}.btn svg{width:18px;height:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.section{padding-block:clamp(56px,8vw,104px)}.section--tint{background:var(--paper-2)}.section--ink{background:var(--ink);color:var(--paper)}.section--ink .kicker{color:var(--gold)}.section--ink .lede{color:#d6e2dc}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:16px 32px;margin-bottom:32px;display:flex}.section-head h2{margin:8px 0 0}.grid{gap:20px;display:grid}@media (width>=720px){.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}}.field{gap:8px;display:grid}.field>label,.field>.label,fieldset>legend{font-size:.95rem;font-weight:650}.hint{color:var(--muted);font-size:.85rem}.input{border:2px solid var(--line-strong);background:#fff;border-radius:14px;align-items:center;min-height:56px;padding-inline:16px;transition:border-color .15s,box-shadow .15s;display:flex}.input:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px #ff6a3d40}.input input,.input select{width:100%;min-width:0;font:650 1.2rem/1.2 var(--body);color:var(--ink);font-variant-numeric:tabular-nums;background:0 0;border:0;outline:0;flex:1;padding:12px 0}.input .affix{color:var(--muted);font-size:1.15rem;font-weight:700}.input .affix:first-child{margin-right:6px}.input .affix:last-child{margin-left:6px}input[type=email],input[type=text]{font-size:1.05rem!important;font-weight:500!important}fieldset{border:0;min-width:0;margin:0;padding:0}.segmented{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;grid-auto-columns:1fr;grid-auto-flow:column;gap:4px;margin-top:8px;padding:4px;display:grid}.segmented label{text-align:center;cursor:pointer;min-height:46px;color:var(--ink-2);border-radius:10px;place-items:center;padding:6px 8px;font-size:.93rem;font-weight:650;line-height:1.2;display:grid;position:relative}.segmented input{opacity:0;pointer-events:none;position:absolute}.segmented label:has(input:checked){background:var(--card);color:var(--ink);box-shadow:0 1px 2px #0f2a2429, 0 0 0 1px var(--line)}.segmented label:has(input:focus-visible){outline:3px solid var(--signal);outline-offset:1px}@media (width<=520px){.segmented--wrap{grid-auto-flow:row}}input[type=range]{width:100%;accent-color:var(--signal);margin-top:6px}.consent{color:var(--muted);align-items:flex-start;gap:10px;font-size:.85rem;display:flex}.consent input{width:18px;height:18px;accent-color:var(--ink);flex:none;margin-top:4px}.callout{border-radius:var(--radius);background:var(--card);border:1px solid var(--line);border-left:5px solid var(--ink);grid-template-columns:auto 1fr;gap:4px 14px;margin:1.5em 0;padding:16px 18px;font-size:.97rem;display:grid}.callout>:last-child{margin-bottom:0}.callout--warn{border-left-color:var(--gold);background:#fffaea}.callout--good{border-left-color:var(--mint);background:#f2fbf7}.callout--signal{border-left-color:var(--signal)}.callout .icon{grid-row:span 2;font-size:1.2rem;line-height:1.5}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin:1.5em 0;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:12px 14px}th{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:#ece3cf80;font-size:.78rem;font-weight:700}tr:last-child td{border-bottom:0}td.r,th.r{text-align:right}caption{caption-side:bottom;text-align:left;color:var(--muted);padding:10px 14px;font-size:.82rem}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-family:var(--display);padding:18px 40px 18px 0;font-size:1.12rem;font-weight:700;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:1.6rem;font-weight:400;transition:transform .2s;position:absolute;top:12px;right:6px}.faq details[open] summary:after{transform:rotate(45deg)}.faq .answer{color:var(--ink-2);padding-bottom:18px}.prose{font-size:1.075rem;line-height:1.72}.prose h2{margin-top:2.2em;font-size:clamp(1.55rem,3vw,2rem)}.prose h3{margin-top:1.8em}.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}.prose li{margin:.35em 0}.prose li::marker{color:var(--signal-deep);font-weight:700}.prose blockquote{border-left:4px solid var(--gold);color:var(--ink-2);margin:1.5em 0;padding:4px 0 4px 20px;font-style:italic}.prose hr{border:0;border-top:1px dashed var(--line-strong);margin:2.5em 0}.prose a{font-weight:600}.prose table{font-size:.93rem}.marker{background:linear-gradient(#0000 62%,#ffc845bf 62% 92%,#0000 92%);padding:0 2px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.tool-shell{display:grid;overflow:hidden}@media (width>=900px){.tool-shell{grid-template-columns:minmax(340px,.8fr) minmax(0,1.2fr)}}.tool-inputs{grid-template-columns:minmax(0,1fr);align-content:start;gap:20px;padding:clamp(20px,3vw,32px);display:grid}.tool-result{background:linear-gradient(180deg, #fff8ea, var(--card));border-top:1px dashed var(--line-strong);padding:clamp(20px,3vw,32px)}@media (width>=900px){.tool-result{border-top:0;border-left:1px dashed var(--line-strong)}}.big-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.8rem;font-weight:700}.big{font-family:var(--display);letter-spacing:-.04em;margin:6px 0 12px;font-size:clamp(2.6rem,6.5vw,4.2rem);font-weight:800;line-height:1;display:block}.big.up{color:var(--signal-deep)}.big.good{color:var(--mint-deep)}.stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:18px 0;display:grid}.stat{border-radius:var(--radius);background:var(--card);border:1px solid var(--line);padding:14px 16px}.stat span{color:var(--muted);font-size:.8rem;font-weight:600;display:block}.stat strong{font-family:var(--display);letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-top:2px;font-size:1.45rem;display:block}.two-col{gap:16px;display:grid}@media (width>=520px){.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}}.working{margin:0}.working td,.working th{padding:10px 12px}.working tfoot td,.working tfoot th{border-top:2px solid var(--ink);color:var(--ink);text-transform:none;letter-spacing:0;background:0 0;font-size:1rem}.prose>table{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin:1.5em 0;font-size:.93rem;display:block;overflow-x:auto}.prose>table th{white-space:nowrap}.prose>table td{min-width:7ch}@media (width<=559px){.prose>table{font-size:.86rem}.prose>table th{white-space:normal}.prose>table th,.prose>table td{padding:9px 7px}}.prose .tool-shell,.prose .calc{margin:1.5em 0;grid-template-columns:1fr!important}.prose .tool-result,.prose .calc .result{border-left:0!important;border-top:1px dashed var(--line-strong)!important}.prose .calc h2,.prose .tool-shell h2{margin-top:0}.prose>table td:not(:first-child),.prose>table th:not(:first-child){text-align:right}.logo[data-astro-cid-f7espo7c]{font-family:var(--display);letter-spacing:-.03em;color:var(--ink);align-items:center;gap:10px;font-size:1.32rem;font-weight:800;display:inline-flex}.logo[data-astro-cid-f7espo7c].light{color:var(--paper)}.word[data-astro-cid-f7espo7c] span[data-astro-cid-f7espo7c]{color:var(--signal-deep);margin-left:.18em}.light[data-astro-cid-f7espo7c] .word[data-astro-cid-f7espo7c] span[data-astro-cid-f7espo7c]{color:var(--gold)}.site-header[data-astro-cid-nen7h5rs]{z-index:50;-webkit-backdrop-filter:saturate(1.4)blur(12px);border-bottom:1px solid var(--line);background:#f5efe2e0;position:sticky;top:0}.bar[data-astro-cid-nen7h5rs]{align-items:center;gap:24px;min-height:68px;display:flex}.brand[data-astro-cid-nen7h5rs]{margin-right:auto;text-decoration:none}.nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{gap:4px;margin:0;padding:0;list-style:none;display:flex}.nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{border-radius:999px;padding:8px 12px;font-size:.95rem;font-weight:600;text-decoration:none;display:block}.nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{background:var(--paper-2)}.nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]{background:var(--ink);color:var(--paper)}.menu[data-astro-cid-nen7h5rs]{display:none;position:relative}.menu[data-astro-cid-nen7h5rs] summary[data-astro-cid-nen7h5rs]{cursor:pointer;border:1px solid var(--line-strong);border-radius:12px;place-content:center;gap:5px;width:44px;height:44px;list-style:none;display:grid}.menu[data-astro-cid-nen7h5rs] summary[data-astro-cid-nen7h5rs]::-webkit-details-marker{display:none}.menu[data-astro-cid-nen7h5rs] summary[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{background:var(--ink);border-radius:2px;width:20px;height:2px;display:block}.sheet[data-astro-cid-nen7h5rs]{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);width:min(320px,100vw - 32px);box-shadow:var(--shadow);padding:10px;position:absolute;top:54px;right:0}.sheet[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{gap:2px;margin:0;padding:0;list-style:none;display:grid}.sheet[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:not(.btn){border-radius:10px;padding:12px 14px;font-weight:650;text-decoration:none;display:block}.sheet[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:not(.btn):hover{background:var(--paper-2)}.sheet[data-astro-cid-nen7h5rs] .btn[data-astro-cid-nen7h5rs]{width:100%;margin-top:6px}@media (width<=860px){.nav[data-astro-cid-nen7h5rs],.cta[data-astro-cid-nen7h5rs]{display:none}.menu[data-astro-cid-nen7h5rs]{display:block}}.site-footer[data-astro-cid-jo6i4kqk]{background:var(--ink);color:#c9d6d0;margin-top:0;padding:64px 0 40px}.top[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr;gap:40px;display:grid}@media (width>=860px){.top[data-astro-cid-jo6i4kqk]{grid-template-columns:1.6fr repeat(3,1fr)}}.home[data-astro-cid-jo6i4kqk]{text-decoration:none}.about[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{max-width:38ch;margin:16px 0;font-size:.95rem}.about[data-astro-cid-jo6i4kqk] strong[data-astro-cid-jo6i4kqk]{color:var(--paper)}h2[data-astro-cid-jo6i4kqk]{font-family:var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;font-size:.78rem}ul[data-astro-cid-jo6i4kqk]{gap:8px;margin:0;padding:0;list-style:none;display:grid}a[data-astro-cid-jo6i4kqk]{color:var(--paper);font-size:.95rem;text-decoration:none}a[data-astro-cid-jo6i4kqk]:hover{text-decoration:underline;text-decoration-color:var(--signal)}.social[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:10px;display:flex}.social[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{border:1px solid #f5efe240;border-radius:999px;padding:8px 14px;font-size:.88rem;font-weight:600;display:inline-block}.legal[data-astro-cid-jo6i4kqk]{color:#9fb3aa;border-top:1px solid #f5efe226;margin:48px 0 0;padding-top:24px;font-size:.82rem;line-height:1.6}.legal[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{font-size:inherit;text-decoration:underline}