@font-face{font-family:Tilt Neon;font-style:normal;font-display:swap;font-weight:400;src:url(./tilt-neon-latin-400-normal.DUo0bAXn.woff2)format("woff2"),url(./tilt-neon-latin-400-normal.13Rx6b2L.woff)format("woff")}@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(data:font/woff2;base64,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)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:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./hanken-grotesk-vietnamese-wght-normal.CHiFlh_0.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:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./hanken-grotesk-latin-ext-wght-normal.Dg-wlmqe.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:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./hanken-grotesk-latin-wght-normal.CaVRRdDk.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{--hue:355;--wall:oklch(17% .025 330);--wall-2:oklch(21% .03 330);--wall-3:oklch(26% .035 330);--line:oklch(36% .04 330);--ink:oklch(96% .01 350);--muted:oklch(80% .025 340);--neon:oklch(72% .22 355);--neon-soft:oklch(72% .22 355/.16);--neon-ink:oklch(20% .05 355);--blue:oklch(80% .13 220);--good:oklch(80% .17 150);--bad:oklch(72% .19 25);--amber:oklch(85% .15 80);--glow:0 0 2px oklch(95% .08 355), 0 0 10px oklch(72% .22 355/.85), 0 0 28px oklch(72% .22 355/.5);--glow-blue:0 0 2px oklch(97% .05 220), 0 0 10px oklch(80% .13 220/.8), 0 0 26px oklch(80% .13 220/.45);--display:"Tilt Neon", "Arial Rounded MT Bold", system-ui, sans-serif;--body:"Hanken Grotesk Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;--r:12px;--ease:cubic-bezier(.22, 1, .36, 1);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--wall);color:var(--ink);font-family:var(--body);letter-spacing:.005em;background-image:radial-gradient(120% 60% at 50% -10%,oklch(24% .06 340),#0000 60%);background-repeat:no-repeat;margin:0;font-size:1.0625rem;font-weight:380;line-height:1.65}img,svg{max-width:100%;display:block}a{color:var(--blue);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--ink)}h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0 0 var(--s4);letter-spacing:0;font-weight:400;line-height:1.12}h1{color:oklch(97% .04 355);text-shadow:var(--glow);font-size:clamp(2.2rem,1.4rem + 3.6vw,4.2rem)}h2{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.4rem)}h3{font-size:1.35rem}p{margin:0 0 var(--s4);text-wrap:pretty}.num{font-variant-numeric:tabular-nums}:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}.wrap{width:min(100% - 2 * var(--s4),1120px);margin-inline:auto}.prose{max-width:68ch}.prose h2{margin-top:var(--s7)}.prose h3{margin-top:var(--s6)}.prose ol,.prose ul{margin:0 0 var(--s4);padding-left:1.2em}.prose li{margin-bottom:var(--s2)}.lede{max-width:60ch;font-size:1.2rem}.lede,.muted{color:var(--muted)}.section{padding-block:clamp(var(--s7),6vw,var(--s9))}.btn{justify-content:center;align-items:center;gap:var(--s2);min-height:48px;padding:0 var(--s5);border:2px solid var(--neon);background:var(--neon);color:var(--neon-ink);font:650 1rem/1 var(--body);cursor:pointer;transition:box-shadow .2s var(--ease),transform .15s var(--ease),background .2s;border-radius:999px;text-decoration:none;display:inline-flex}@media (hover:hover){.btn:hover{box-shadow:var(--glow);color:var(--neon-ink)}}.btn:active{transform:scale(.97)}.btn.ghost{color:var(--ink);border-color:var(--line);background:0 0}.btn.ghost:hover{border-color:var(--neon);box-shadow:none;color:var(--ink)}.btn:disabled{opacity:.45;pointer-events:none}.btn.small{min-height:44px;padding:0 var(--s4);font-size:.95rem}.tube{border:2px solid var(--neon);border-radius:var(--r);box-shadow:0 0 12px oklch(72% .22 355/.45),inset 0 0 12px oklch(72% .22 355/.25)}.tube.blue{border-color:var(--blue);box-shadow:0 0 12px oklch(80% .13 220/.4),inset 0 0 12px oklch(80% .13 220/.2)}.panel{background:var(--wall-2);border-radius:var(--r);padding:clamp(var(--s4),4vw,var(--s6))}@keyframes flicker{0%,18%,22%,25%,53%,57%,to{opacity:1}20%,24%,55%{opacity:.35}}.flicker{animation:1.6s linear both flicker}.quiz{max-width:720px}.progress{background:var(--wall-3);height:6px;margin-bottom:var(--s5);border-radius:99px;overflow:hidden}.progress>span{background:var(--neon);height:100%;box-shadow:0 0 10px var(--neon);transition:width .35s var(--ease);display:block}.qmeta{color:var(--muted);margin-bottom:var(--s2);justify-content:space-between;font-size:.95rem;display:flex}.qtext{font-family:var(--body);margin-bottom:var(--s5);font-size:clamp(1.25rem,1.05rem + .9vw,1.6rem);font-weight:650;line-height:1.3}.opts{grid-template-columns:minmax(0,1fr);display:grid}.opt,.opts{gap:var(--s3)}.opt{text-align:left;width:100%;min-height:56px;padding:var(--s3) var(--s4);border-radius:var(--r);border:2px solid var(--line);background:var(--wall-2);color:var(--ink);font:450 1.05rem/1.35 var(--body);cursor:pointer;align-items:center;transition:border-color .15s,box-shadow .2s,background .2s;display:flex}@media (hover:hover){.opt:hover:not(:disabled){border-color:oklch(55% .1 355)}}.opt .key{border:1.5px solid var(--line);width:30px;height:30px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-size:.85rem;display:grid}.opt.picked{border-color:var(--neon);background:var(--neon-soft);box-shadow:0 0 14px oklch(72% .22 355/.45)}.opt.right{border-color:var(--good);background:oklch(80% .17 150/.14);box-shadow:0 0 14px oklch(80% .17 150/.4)}.opt.wrong{border-color:var(--bad);background:oklch(72% .19 25/.14)}.opt:disabled{cursor:default}.opt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.result-sign{text-align:center;padding:var(--s6) var(--s4)}.result-sign .big{font-family:var(--display);color:oklch(97% .04 355);text-shadow:var(--glow);margin:var(--s2) 0 var(--s3);font-size:clamp(2.6rem,1.6rem + 5vw,4.8rem);line-height:1.05}.bar,.bars{gap:var(--s3);display:grid}.bar{grid-template-columns:8.5em minmax(0,1fr) 3.2em;align-items:center;font-size:.95rem}.bar>*{min-width:0}.bar .track{background:var(--wall-3);border-radius:99px;height:10px;overflow:hidden}.bar .fill,.bar .track{display:block}.bar .fill{background:var(--neon);height:100%;transition:width .5s var(--ease);border-radius:99px}.bar .val{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}.faq details{border-top:1px solid var(--line);padding:var(--s3) 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;align-items:center;gap:var(--s3);min-height:44px;font-weight:650;list-style:none;display:flex}.faq summary:before{content:"+";color:var(--neon);width:1ch;font-size:1.4rem}.faq details[open] summary:before{content:"−"}.faq details p{margin:var(--s2) 0 0 calc(1ch + var(--s3));color:var(--muted)}.crumbs{padding-top:var(--s5);font-size:.9rem}.crumbs,.crumbs a{color:var(--muted)}.two-col{gap:var(--s7);grid-template-columns:minmax(0,1fr);display:grid}.two-col>*{min-width:0}@media (width>=960px){.two-col{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}}table.ref{border-collapse:collapse;width:100%;font-size:.98rem}table.ref td,table.ref th{text-align:left;padding:var(--s2) var(--s3);border-bottom:1px solid var(--line);vertical-align:top}table.ref th{color:var(--muted);font-weight:600}.table-scroll{overflow-x:auto}.chip{min-height:32px;padding:0 var(--s3);border:1px solid var(--line);color:var(--muted);border-radius:999px;align-items:center;font-size:.88rem;display:inline-flex}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}