@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_next/static/media/manrope-cyrillic-ext-wght-normal.d1990364.woff2) format("woff2-variations");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_next/static/media/manrope-cyrillic-wght-normal.2ffcac4f.woff2) format("woff2-variations");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_next/static/media/manrope-greek-wght-normal.6b69666c.woff2) format("woff2-variations");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_next/static/media/manrope-vietnamese-wght-normal.383b32a0.woff2) format("woff2-variations");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_next/static/media/manrope-latin-ext-wght-normal.f5cc7610.woff2) format("woff2-variations");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,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:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_next/static/media/manrope-latin-wght-normal.fedf4c92.woff2) format("woff2-variations");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,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(/_next/static/media/inter-cyrillic-ext-wght-normal.460bdf14.woff2) format("woff2-variations");unicode-range:u+0460-052f,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(/_next/static/media/inter-cyrillic-wght-normal.491cbc05.woff2) format("woff2-variations");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_next/static/media/inter-greek-ext-wght-normal.23aae568.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(/_next/static/media/inter-greek-wght-normal.4449bf7a.woff2) format("woff2-variations");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_next/static/media/inter-vietnamese-wght-normal.113a630f.woff2) format("woff2-variations");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_next/static/media/inter-latin-ext-wght-normal.3835a68e.woff2) format("woff2-variations");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,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(/_next/static/media/inter-latin-wght-normal.6c596dfc.woff2) format("woff2-variations");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_next/static/media/jetbrains-mono-cyrillic-ext-wght-normal.0d2c2f66.woff2) format("woff2-variations");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_next/static/media/jetbrains-mono-cyrillic-wght-normal.23645aad.woff2) format("woff2-variations");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_next/static/media/jetbrains-mono-greek-wght-normal.c6c31cb1.woff2) format("woff2-variations");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_next/static/media/jetbrains-mono-vietnamese-wght-normal.93fc40a8.woff2) format("woff2-variations");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_next/static/media/jetbrains-mono-latin-ext-wght-normal.9c9751ca.woff2) format("woff2-variations");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,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:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_next/static/media/jetbrains-mono-latin-wght-normal.a865edea.woff2) format("woff2-variations");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}:root{--cyan:#00D4FF;--red:#FF3B3B;--purple:#A855F7;--font-archivo:"Manrope Variable",Arial,Helvetica,sans-serif;--font-inter:"Inter Variable",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-oswald:"Manrope Variable","Arial Narrow",Arial,sans-serif;--font-mono:"JetBrains Mono Variable",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--ease:cubic-bezier(.22,1,.36,1);--nav-w:236px;--pad:clamp(20px,3.6vw,52px);--ok:#10B981}html[data-theme=light]{--chart-ink:#0891B2}html[data-theme=dark]{--chart-ink:var(--cyan)}html[data-theme=light]{--bg:#F7F7F5;--fg:#0A0A0B;--muted:#63636A;--faint:#9A9AA1;--line:#E6E5E2;--platform:#FFFFFF;--plat-line:#E9E8E4;--field:.92;--field-blend:multiply;--glass:rgba(255,255,255,.55);--glass-brd:rgba(255,255,255,.75)}html[data-theme=dark]{--bg:#08090B;--fg:#F3F3F5;--muted:#9B9BA3;--faint:#63636C;--line:#1C1E22;--platform:#0E1013;--plat-line:#1E2126;--field:.80;--field-blend:screen;--glass:rgba(255,255,255,.06);--glass-brd:rgba(255,255,255,.14)}html[data-track=home],html[data-track=ielts],html[data-track=sat]{--accent:var(--cyan)}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{background:var(--bg);color:var(--fg);font-family:var(--font-inter),-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}::selection{background:var(--accent);color:var(--bg)}[hidden]{display:none!important}button{font-family:inherit}a{color:inherit}img{max-width:100%}input,select,textarea{font-family:inherit}.font-display{font-family:var(--font-archivo),sans-serif}.font-mono,.mono{font-family:var(--font-mono),ui-monospace,monospace}.mono{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}#field{z-index:1;width:100%;height:100%;opacity:.55;overflow:hidden;display:block;transition:opacity .4s var(--ease);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' preserveAspectRatio='none'%3E%3Cg fill='none' stroke='%2300D4FF' stroke-linecap='round'%3E%3Cpath d='M-12 13 C20 1 58 28 112 10' stroke-width='12' opacity='.14'/%3E%3Cpath d='M-12 13 C20 1 58 28 112 10' stroke-width='6' opacity='.46'/%3E%3Cpath d='M-12 49 C25 66 65 28 112 53' stroke-width='13' opacity='.11'/%3E%3Cpath d='M-12 49 C25 66 65 28 112 53' stroke-width='6' opacity='.36'/%3E%3Cpath d='M-12 87 C28 68 70 101 112 78' stroke-width='14' opacity='.09'/%3E%3Cpath d='M-12 87 C28 68 70 101 112 78' stroke-width='6' opacity='.3'/%3E%3C/g%3E%3C/svg%3E");background-repeat:no-repeat;background-position:50%;background-size:100% 100%}#fade,#field{position:fixed;inset:0;pointer-events:none}#fade{z-index:80;opacity:0;will-change:opacity}body.switching .ctl,body.switching .pick,body.switching .timer{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}body.switching *{transition:none!important}.mark{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:inherit;line-height:1}.mark .icn{width:30px;height:30px;border-radius:8px;flex:none;overflow:hidden;display:block;border:1px solid var(--line)}.mark .icn svg{width:100%;height:100%;display:block}.mark .wm{font-family:var(--font-archivo),sans-serif;font-weight:700;font-size:19px;letter-spacing:-.01em}.ctl{gap:3px;border:1px solid color-mix(in srgb,var(--fg) 12%,var(--line));border-radius:999px;padding:3px;background:color-mix(in srgb,var(--platform) 88%,transparent);box-shadow:0 5px 18px -14px rgba(0,0,0,.55);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.ctl,.ctl a,.ctl button{display:inline-flex;align-items:center}.ctl a,.ctl button{font-family:var(--font-mono),monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;background:none;border:0;color:var(--muted);min-height:30px;padding:7px 12px;justify-content:center;gap:7px;cursor:pointer;border-radius:999px;text-decoration:none;transition:color .25s,background .25s,box-shadow .25s,transform .25s}.ctl a[aria-pressed=true],.ctl button[aria-pressed=true]{color:var(--bg);background:var(--fg);box-shadow:0 2px 7px -4px rgba(0,0,0,.75)}.ctl a:hover:not([aria-pressed=true]),.ctl button:hover:not([aria-pressed=true]){color:var(--fg);background:color-mix(in srgb,var(--fg) 6%,transparent)}.ctl a:focus-visible,.ctl button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ctlIcon{width:14px;height:14px;display:inline-grid;place-items:center;flex:none}.ctlIcon svg{width:14px;height:14px;display:block}.btn{font-family:var(--font-archivo),sans-serif;font-weight:600;font-size:13.5px;padding:11px 24px;border-radius:100px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .3s var(--ease)}.btn:hover{box-shadow:0 0 26px -6px color-mix(in srgb,var(--accent) 75%,transparent);transform:translateY(-1px)}.btn.ghost{background:none;color:var(--muted);border-color:var(--line)}.btn.ghost:hover{color:var(--fg);border-color:var(--fg);box-shadow:none}.btn.solid{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn.solid:hover{box-shadow:0 8px 24px -10px rgba(0,0,0,.5)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.btn.wide{width:100%}.platform{background:var(--platform);border:1px solid var(--plat-line);border-radius:4px;padding:clamp(24px,3.4vw,52px);box-shadow:0 1px 2px rgba(0,0,0,.03),0 20px 56px -32px rgba(0,0,0,.3)}html[data-theme=dark] .platform{box-shadow:0 20px 64px -34px rgba(0,0,0,.95)}.crumb{font-family:var(--font-mono),monospace;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:16px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}.crumb .dot{width:4px;height:4px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 10px 1px color-mix(in srgb,var(--accent) 70%,transparent)}.crumb a{text-decoration:none;transition:color .25s}.crumb a:hover{color:var(--fg)}h1.title{font-family:var(--font-archivo),sans-serif;font-weight:700;font-size:clamp(28px,4vw,44px);line-height:1.04;letter-spacing:-.022em;margin-bottom:14px}.intro{color:var(--muted);max-width:58ch;margin-bottom:34px}.rows{border-top:1px solid var(--line)}.row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;grid-gap:18px;gap:18px;padding:18px 6px;cursor:pointer;background:none;border:0;border-bottom:1px solid var(--line);font:inherit;color:inherit;text-align:left;width:100%;text-decoration:none;transition:padding-left .4s var(--ease),background .4s var(--ease)}.row:hover{padding-left:13px;background:color-mix(in srgb,var(--accent) 5%,transparent)}.row[data-s=soon]{cursor:default;opacity:.6}.row[data-s=soon]:hover{padding-left:6px;background:none}.row .code{font-family:var(--font-mono),monospace;font-size:10.5px;color:var(--faint);min-width:32px;transition:color .35s}.row:hover .code{color:var(--accent)}.row .nm{font-family:var(--font-archivo),sans-serif;font-weight:600;font-size:15.5px;display:block}.row .meta{color:var(--faint);font-size:12.5px;margin-top:2px;display:block}.row .st{font-family:var(--font-mono),monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);padding:5px 11px;border:1px solid var(--line);border-radius:2px;white-space:nowrap;transition:all .35s var(--ease)}.row .st[data-s=ready]{color:color-mix(in srgb,var(--accent) 85%,var(--fg));border-color:color-mix(in srgb,var(--accent) 42%,transparent)}.row:hover .st[data-s=ready]{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 0 20px -4px color-mix(in srgb,var(--accent) 70%,transparent)}.row .st[data-s=done]{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 45%,transparent)}.note{margin-top:30px;padding:15px 17px;border-left:2px solid color-mix(in srgb,var(--accent) 45%,transparent);font-size:13px;color:var(--muted);max-width:62ch;background:color-mix(in srgb,var(--accent) 4%,transparent)}.note b{color:var(--fg);font-weight:500}.fld{margin-bottom:12px}.fld label{display:block;font-family:var(--font-mono),monospace;font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:6px}.fld input,.fld select,.fld textarea{width:100%;font-size:14.5px;padding:11px 13px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--fg)}.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 14%,transparent)}.fld .hint{font-size:12px;color:var(--faint);margin-top:6px}.err{color:var(--red);margin:10px 0}.err,.toast{font-size:13px}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);z-index:120;background:var(--platform);border:1px solid var(--line);border-radius:100px;padding:11px 20px;color:var(--muted);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;box-shadow:0 12px 40px -18px rgba(0,0,0,.4)}.toast.on{opacity:1;transform:translate(-50%)}#sweep{position:fixed;inset:0;z-index:90;pointer-events:none;display:none}#sweep.on{display:block;pointer-events:all}#sweep .band{position:absolute;left:-8vw;width:116vw;height:170vh;top:0;transform:translateY(112vh);will-change:transform}#sweep svg{width:100%;height:100%;display:block}.rv{opacity:0;transform:translateY(16px)}.rv.in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}.rv{opacity:1;transform:none}}.rlist{border-top:1px solid var(--plat-line)}.ritem{padding:14px 0;border-bottom:1px solid var(--plat-line);display:grid;grid-template-columns:26px 1fr;grid-gap:14px;gap:14px;align-items:start}.ritem:last-child{border-bottom:0}.tick{width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:10px;font-weight:700;margin-top:2px;color:#fff;flex:none}.tick.ok{background:var(--ok)}.tick.no{background:var(--red)}.ritem .qq{font-size:14px;margin-bottom:5px;line-height:1.5}.ritem .ans{font-family:var(--font-mono),monospace;font-size:11.5px;color:var(--muted);margin-bottom:6px;word-break:break-word}.ritem .ans b{color:var(--fg)}.ritem .why{font-size:13px;color:var(--muted);line-height:1.6;border-left:2px solid color-mix(in srgb,var(--accent) 40%,transparent);padding-left:11px}.ritem .why b{color:var(--fg);font-weight:600}.ritem .why i{font-style:italic}.bandchip{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:100px;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 10%,transparent);font-family:var(--font-archivo),sans-serif;font-weight:600;font-size:14px}.skip{position:absolute;left:-9999px;top:0;z-index:200;padding:12px 18px;background:var(--platform);border:1px solid var(--accent);border-radius:0 0 4px 0}.skip:focus{left:0}