/* 33333e.info — Mã màu #33333E: colour-spec sheet + pixel editor. Tinted neutrals ramp built on #33333E, lime sample, selection blue. */
:root{
  --p50:#F4F4F7;--p100:#E8E8EE;--p200:#D2D2DB;--p300:#B1B1BE;--p400:#8B8B99;--p500:#686876;--p600:#4B4B58;--p700:#33333E;--p800:#292932;--p900:#1D1D24;--p950:#131318;
  --paper:#F4F4F7;--sheet:#FCFCFD;--ink:#33333E;--ink-2:#1D1D24;--muted:#595966;--line:#D2D2DB;
  --lime:#D4F24C;--lime-2:#C2E23A;--olive:#3A4D07;--sel:#2F5BEA;--sel-d:#1E3FB0;--red:#D6433A;--red-t:#A5271F;
  --f-disp:"Vina Sans","Geist",system-ui,sans-serif;--f-body:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;--f-mono:"Xanh Mono",ui-monospace,Menlo,monospace;
  --wrap:1280px;--gut:16px;--hdr:68px;
  --surface:#FCFCFD;--surface-2:#F4F4F7;--border:#D2D2DB;--text:#33333E;--heading:#1D1D24;--primary:#33333E;--primary-contrast:#fff;--accent:#D4F24C;--font-body:var(--f-body);--font-head:var(--f-disp);
}
@media (min-width:600px){:root{--gut:24px}}
@media (min-width:1100px){:root{--gut:40px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 16px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.68 var(--f-body);font-feature-settings:"ss01";overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--sel-d);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--sel)}
:focus-visible{outline:3px solid var(--sel);outline-offset:2px;border-radius:1px}
.play :focus-visible,.foot :focus-visible,.demo-card :focus-visible,.cta :focus-visible,.board :focus-visible{outline-color:var(--lime)}
code{font-family:var(--f-mono);font-size:.95em}
h1,h2,h3{color:var(--ink-2);margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:12px;top:-100px;z-index:100;background:var(--ink-2);color:#fff;padding:12px 16px;min-height:44px;font-weight:600}
.skip:focus{top:12px;color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 22px;border-radius:2px;border:1.5px solid transparent;font:600 16px/1.2 var(--f-body);text-decoration:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s,transform .15s;text-align:left}
.btn svg{width:14px;height:14px;flex:none;fill:currentColor}
.btn-ink{background:var(--ink);color:#fff;box-shadow:inset 0 -3px 0 var(--lime)}
.btn-ink:hover{background:var(--ink-2);color:#fff}
.btn-ink svg{fill:var(--lime)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-lime{background:var(--lime);color:var(--ink-2)}
.btn-lime:hover{background:var(--lime-2);color:var(--ink-2)}
.btn-sm{min-height:44px;padding:0 14px;font-size:15px}
.arr{font-family:var(--f-mono)}

/* ---------- header ---------- */
.bar{position:sticky;top:0;z-index:50;background:rgba(244,244,247,.94);border-bottom:1px solid var(--line)}
@supports (backdrop-filter:blur(8px)){.bar{background:rgba(244,244,247,.84);backdrop-filter:saturate(1.2) blur(10px)}}
.bar-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);min-height:var(--hdr);display:flex;align-items:center;gap:12px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink-2);min-height:44px;margin-right:auto;flex:none}
.brand-chip{width:38px;height:38px;background:var(--ink);display:grid;place-items:end start;padding:3px 5px;position:relative;box-shadow:inset 0 -6px 0 var(--lime)}
.brand-chip i{font:400 18px/1 var(--f-mono);color:var(--p100);font-style:normal;margin-bottom:6px}
.brand-txt{display:flex;flex-direction:column;line-height:1.05}
.brand-txt b{font:700 19px/1 var(--f-body);letter-spacing:-.01em}
.brand-txt small{font:400 12.5px/1.2 var(--f-mono);color:var(--muted);margin-top:3px;letter-spacing:.04em}
.menu-btn{order:3;display:inline-flex;align-items:center;gap:9px;min-height:44px;min-width:44px;padding:0 12px;border:1px solid var(--p300);background:var(--sheet);color:var(--ink);border-radius:2px;font:600 15px/1 var(--f-body);cursor:pointer}
.mb-ico{display:grid;grid-template-columns:repeat(2,7px);gap:2px}
.mb-ico i{width:7px;height:7px;background:var(--ink)}
.mb-ico i:nth-child(2){background:var(--lime);box-shadow:inset 0 0 0 1px var(--olive)}
.mb-ico i:nth-child(3){background:var(--p400)}
.menu-btn[aria-expanded=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.menu-btn[aria-expanded=true] .mb-ico i:first-child,.menu-btn[aria-expanded=true] .mb-ico i:last-child{background:#fff}
.tools{order:2;display:flex;align-items:center;gap:10px}
.tools .btn{display:none}
@media (min-width:760px){.tools .btn{display:inline-flex}}
@media (max-width:419px){.brand-txt small,.mb-l{display:none}.menu-btn{padding:0 13px}}
.lsw{display:inline-flex;border:1px solid var(--p300);border-radius:2px;background:var(--sheet)}
.lsw a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:42px;font:400 15px/1 var(--f-mono);color:var(--ink);text-decoration:none;letter-spacing:.04em}
.lsw a+a{border-left:1px solid var(--p300)}
.lsw a[aria-current]{background:var(--ink);color:#fff}
.lsw a:not([aria-current]):hover{background:var(--p100)}
.bar-ramp{display:flex;height:5px}
.bar-ramp span{flex:1;background:var(--sw)}
.bar-ramp .is-base{flex:2.2;background:var(--ink);box-shadow:inset 0 -2px 0 var(--lime)}

/* nav: picker popover under 1280, inline row above */
.nav{display:none;position:absolute;top:calc(100% + 6px);right:var(--gut);width:min(380px,calc(100vw - 2*var(--gut)));background:var(--sheet);border:1px solid var(--p300);box-shadow:0 18px 40px -18px rgba(19,19,24,.45),0 2px 0 rgba(19,19,24,.04);padding:12px;border-radius:3px;max-height:calc(100vh - var(--hdr) - 24px);overflow:auto}
.bar.is-open .nav{display:block}
.picker{margin-bottom:10px}
.pk-sv{position:relative;height:104px;border-radius:2px;background:linear-gradient(to top,#000,rgba(0,0,0,0)),linear-gradient(to right,#fff,hsl(240,100%,50%))}
.pk-dot{position:absolute;left:17.7%;top:75.7%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.5),inset 0 0 0 1px rgba(0,0,0,.4);background:var(--ink)}
.pk-hue{position:relative;height:12px;margin-top:10px;border-radius:2px;background:linear-gradient(90deg,red,#ff0,lime,cyan,blue,#f0f,red)}
.pk-hue i{position:absolute;left:66.7%;top:-3px;width:8px;height:18px;margin-left:-4px;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.45);border-radius:2px}
.pk-row{display:flex;align-items:center;gap:10px;margin-top:10px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.pk-now{width:26px;height:26px;background:var(--ink);border:1px solid var(--p300)}
.pk-row code{font-size:16px;color:var(--ink-2);letter-spacing:.06em}
.nav-links{display:flex;flex-direction:column}
.nav-links a{display:grid;grid-template-columns:16px 26px 1fr;align-items:center;gap:10px;min-height:48px;padding:6px 8px;color:var(--ink-2);text-decoration:none;font:500 16px/1.3 var(--f-body);border-radius:2px}
.nav-links a:hover{background:var(--p100)}
.nav-links a[aria-current]{background:rgba(47,91,234,.09);box-shadow:inset 2px 0 0 var(--sel);color:var(--sel-d)}
.nv-sw{width:16px;height:16px;background:var(--sw);border:1px solid rgba(19,19,24,.18)}
.nv-i{font:400 13px/1 var(--f-mono);color:var(--muted)}
.nav-cta{display:flex;margin-top:10px;width:100%}
@media (min-width:760px){.nav-cta{display:none}}
@media (min-width:1280px){
  .menu-btn{display:none}
  .nav{display:block;position:static;width:auto;background:none;border:0;box-shadow:none;padding:0;max-height:none;overflow:visible;order:1;margin-right:8px}
  .picker{display:none}
  .nav-links{flex-direction:row;gap:2px}
  .nav-links a{grid-template-columns:auto auto;gap:7px;min-height:44px;padding:0 10px;font-size:15px}
  .nv-i{display:none}
  .nv-sw{width:9px;height:9px}
  .nav-links a[aria-current]{box-shadow:inset 0 -2px 0 var(--sel);background:none}
  .tools .btn{display:none}
}
@media (min-width:1440px){.tools .btn{display:inline-flex}.nav-links a{padding:0 9px}}

/* ---------- home hero ---------- */
.hero{padding:40px 0 56px;background:
  linear-gradient(var(--paper),rgba(244,244,247,0) 30%),
  repeating-linear-gradient(0deg,rgba(51,51,62,.05) 0 1px,transparent 1px 32px),repeating-linear-gradient(90deg,rgba(51,51,62,.05) 0 1px,transparent 1px 32px)}
.hero-g{display:grid;gap:36px}
@media (min-width:1000px){.hero{padding:72px 0 88px}.hero-g{grid-template-columns:minmax(0,1.3fr) minmax(0,.85fr);gap:64px;align-items:start}}
.kicker{display:inline-flex;align-items:center;gap:10px;margin:0 0 18px;font:400 15px/1.35 var(--f-mono);color:var(--muted);letter-spacing:.02em}
.k-dot{width:12px;height:12px;flex:none;background:var(--lime);box-shadow:0 0 0 1px var(--olive)}
.hero h1,.phead h1{font:400 clamp(2.55rem,1.25rem + 4.3vw,5rem)/1.06 var(--f-disp);letter-spacing:.005em;color:var(--ink-2);text-wrap:balance;padding-top:.05em}
.lead{font-size:1.14rem;line-height:1.62;margin-top:20px;max-width:62ch;color:var(--ink)}
.lead p{margin:0}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.chips{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:4px 12px 4px 8px;background:var(--sheet);border:1px solid var(--line);font-size:15px;line-height:1.3;border-radius:2px}
.chips li::before{content:"";width:14px;height:14px;flex:none;background:var(--ink)}
.chips li:nth-child(2)::before{background:var(--lime);box-shadow:inset 0 0 0 1px var(--olive)}
.chips li:nth-child(3)::before{background:conic-gradient(var(--p200) 25%,#fff 0 50%,var(--p200) 0 75%,#fff 0) 0 0/7px 7px;box-shadow:inset 0 0 0 1px var(--p300)}

/* swatch inspector */
.insp{margin:0;background:var(--sheet);border:1px solid var(--line);border-radius:3px;padding:12px;box-shadow:0 30px 60px -40px rgba(19,19,24,.5)}
.insp-sw{position:relative;aspect-ratio:16/10;background:var(--ink);display:flex;flex-direction:column;justify-content:space-between;padding:16px 18px;overflow:hidden}
.insp-sw::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 12px);pointer-events:none}
.insp-hex{font:400 clamp(3rem,2rem + 5vw,5.4rem)/.9 var(--f-disp);color:var(--p100);letter-spacing:.01em}
.insp-name{font:400 14px/1 var(--f-mono);color:var(--lime);letter-spacing:.08em;text-transform:uppercase}
.insp-drop{position:absolute;right:22%;top:48%;width:30px;height:30px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.6),inset 0 0 0 1px rgba(0,0,0,.35)}
.insp-drop::before,.insp-drop::after{content:"";position:absolute;background:rgba(255,255,255,.75)}
.insp-drop::before{left:50%;top:-14px;bottom:-14px;width:1px}
.insp-drop::after{top:50%;left:-14px;right:-14px;height:1px}
.spec{margin:12px 0 0;display:grid}
.spec div{display:grid;grid-template-columns:64px 1fr;align-items:baseline;padding:9px 4px;border-top:1px solid var(--line)}
.spec dt{font:400 13px/1 var(--f-mono);color:var(--muted);letter-spacing:.1em}
.spec dd{margin:0;font:400 18px/1.2 var(--f-mono);color:var(--ink-2)}
.chan{display:grid;gap:8px;padding:12px 4px 4px;border-top:1px solid var(--line)}
.chan span{display:grid;grid-template-columns:18px 1fr 30px;align-items:center;gap:10px}
.chan b{font:400 13px/1 var(--f-mono);color:var(--muted)}
.chan i{height:8px;background:var(--p100);position:relative;overflow:hidden}
.chan i::before{content:"";position:absolute;inset:0 auto 0 0;width:calc(var(--v)*100%);background:var(--c)}
.chan em{font:400 14px/1 var(--f-mono);font-style:normal;text-align:right;color:var(--ink)}
.insp-ramp{display:flex;gap:3px;margin-top:14px;height:34px}
.insp-ramp span{flex:1;background:var(--sw);border:1px solid rgba(19,19,24,.12)}
.insp-ramp .is-base{flex:1.8;outline:2px solid var(--sel);outline-offset:2px;position:relative}
.insp figcaption{margin-top:14px;font-size:16px;line-height:1.55;color:var(--muted);padding:0 4px 4px}
@media (max-width:999px){
  .insp{display:grid;grid-template-columns:clamp(104px,30vw,200px) minmax(0,1fr);column-gap:14px;max-width:640px}
  .insp-sw{aspect-ratio:1;padding:10px 12px}
  .insp-hex{font-size:clamp(1.55rem,.9rem + 3vw,3rem)}
  .insp-name{font-size:12px}
  .insp-drop{width:22px;height:22px;right:18%;top:44%}
  .spec{margin:0;align-content:center}
  .spec div{grid-template-columns:48px 1fr;padding:7px 2px}
  .spec div:first-child{border-top:0}
  .spec dd{font-size:16px}
  .chan{display:none}
  .insp-ramp,.insp figcaption{grid-column:1/-1}
  .insp-ramp{height:26px}
}
@media (max-width:399px){
  .insp{grid-template-columns:minmax(0,1fr)}
  .insp-sw{aspect-ratio:auto;height:128px}
  .spec{margin-top:10px}
  .spec div:first-child{border-top:1px solid var(--line)}
}
@media (prefers-reduced-motion:no-preference){
  .insp-drop{animation:sample 7s ease-in-out infinite}
  .insp-ramp span{animation:rise .7s cubic-bezier(.2,.8,.2,1) both}
  .insp-ramp span:nth-child(odd){animation-delay:.08s}
}
@keyframes sample{0%,100%{transform:translate(0,0)}35%{transform:translate(-26px,14px)}70%{transform:translate(12px,-10px)}}
@keyframes rise{from{transform:scaleY(.55)}to{transform:none}}

/* ---------- play band ---------- */
.play{background:var(--ink);color:var(--p100);padding:48px 0 56px;position:relative;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 24px),repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 24px)}
.play::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--lime) 0 18%,transparent 18%)}
.play-g{display:grid;gap:28px}
@media (max-width:999px){.play-g{gap:0}.play-side{display:contents}.ps-t{margin-bottom:24px}.board{order:1}.steps{order:2;margin-top:28px}.legend{order:3}}
@media (min-width:1000px){.play{padding:80px 0 88px}.play-g{grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);gap:56px;align-items:start}.play-side{position:sticky;top:calc(var(--hdr) + 32px)}}
.ps-k{margin:0;font:400 15px/1.3 var(--f-mono);color:var(--lime);letter-spacing:.06em}
.ps-t{margin:10px 0 0;font:400 clamp(2rem,1.4rem + 2vw,2.9rem)/1.05 var(--f-disp);color:#fff}
.steps{list-style:none;counter-reset:s;margin:26px 0 0;padding:0;display:grid;gap:2px}
.steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start;padding:14px 0;border-top:1px solid rgba(255,255,255,.12);font-size:16.5px;line-height:1.5}
.steps li::before{content:counter(s,decimal-leading-zero);display:grid;place-items:center;height:32px;background:var(--p800);border:1px solid var(--p600);font:400 15px/1 var(--f-mono);color:var(--lime)}
.legend{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin:18px 0 0;font-size:16px;color:var(--p200)}
.lg{width:22px;height:22px;flex:none}
.lg-s{background:var(--lime);position:relative}
.lg-s::after{content:"";position:absolute;inset:33%;background:var(--ink);transform:rotate(45deg)}
.lg-m{background:linear-gradient(to top right,transparent calc(50% - 1.5px),var(--red) calc(50% - 1.5px) calc(50% + 1.5px),transparent calc(50% + 1.5px)),#fff;box-shadow:inset 0 0 0 2px var(--red);margin-left:10px}
.board{background:var(--p900);border:1px solid #3B3B47;border-radius:3px;box-shadow:0 40px 80px -40px rgba(0,0,0,.7);min-width:0}
.board-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:40px;padding:0 12px;border-bottom:1px solid #34343F;font:400 14px/1 var(--f-mono);color:var(--p300)}
.bb-t{display:inline-flex;align-items:center;gap:8px}
.bb-t svg{width:12px;height:12px;fill:var(--lime)}
.bb-z{padding:4px 8px;border:1px solid #3B3B47;color:var(--p200)}
.board-rule{height:16px;border-bottom:1px solid #34343F;background:
  repeating-linear-gradient(90deg,#5A5A68 0 1px,transparent 1px 60px) 12px 0/auto 100% no-repeat,
  repeating-linear-gradient(90deg,#44444F 0 1px,transparent 1px 12px) 12px 9px/auto 7px repeat-x}
.board-art{padding:12px;container-type:inline-size}
@media (min-width:600px){.board-art{padding:20px}}
@media (max-width:399px){.board-art{padding:8px}}

/* ---------- inner page head ---------- */
.phead{padding:28px 0 44px;border-bottom:1px solid var(--line);background:
  linear-gradient(90deg,var(--paper) 30%,rgba(244,244,247,.6)),
  repeating-linear-gradient(0deg,rgba(51,51,62,.05) 0 1px,transparent 1px 32px),repeating-linear-gradient(90deg,rgba(51,51,62,.05) 0 1px,transparent 1px 32px)}
.phead-g{display:grid;gap:28px}
@media (min-width:900px){.phead{padding:36px 0 64px}.phead-g{grid-template-columns:minmax(0,1fr) 250px;gap:64px;align-items:end}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:0 8px;margin-bottom:14px;font:400 14.5px/1.3 var(--f-mono)}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink)}
.crumbs span{color:var(--muted)}
.crumbs .sep{color:var(--p400)}
.phead h1{font-size:clamp(2.35rem,1.3rem + 3.5vw,4.3rem)}
.ph-chip{position:relative;height:96px}
.pc-back{display:none}
.pc-card{position:absolute;inset:0;display:grid;grid-template-columns:96px 1fr;background:var(--sheet);border:1px solid var(--line);box-shadow:0 20px 40px -30px rgba(19,19,24,.55)}
.pc-fill{background:var(--sw);border-right:1px solid var(--line)}
.pc-lab{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:10px 16px;min-width:0}
.pc-lab code{font-size:15px;color:var(--muted);letter-spacing:.06em}
.pc-lab b{font:400 1.6rem/1.08 var(--f-disp);color:var(--ink-2)}
@media (min-width:900px){
  .ph-chip{height:310px}
  .pc-card{grid-template-columns:none;grid-template-rows:1fr auto}
  .pc-fill{border-right:0;border-bottom:1px solid var(--line)}
  .pc-lab{padding:14px 16px 16px}
  .pc-back{display:block;position:absolute;inset:0;border:1px solid var(--line);background:color-mix(in srgb,var(--sw) 55%,#fff);transform-origin:100% 100%;transform:rotate(-5deg)}
  .pc-b2{background:color-mix(in srgb,var(--sw) 60%,#131318);transform:rotate(-10deg)}
}

/* ---------- document ---------- */
.doc{padding:36px 0 64px}
.doc-g{display:grid;gap:28px}
.side{display:contents}
.layers{order:-1}
.art{min-width:0;container-type:inline-size}
.demo-card{order:2}
@media (min-width:1100px){
  .doc{padding:64px 0 96px}
  .doc-g{grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start}
  .side{display:flex;flex-direction:column;gap:16px;position:sticky;top:calc(var(--hdr) + 22px);max-height:calc(100vh - var(--hdr) - 40px);overflow:auto;scrollbar-width:thin}
  .layers,.demo-card{order:0}
  .art{max-width:860px}
}
.intro-rest{font-size:1.06rem;padding-bottom:28px;margin-bottom:8px;border-bottom:1px solid var(--line)}
.intro-rest p:first-child{margin-top:0}
.sec{padding:30px 0 20px;display:grid;gap:14px}
.sec+.sec,.intro-rest+.sec{border-top:1px solid var(--line)}
.sec-mk{display:flex;align-items:center;gap:12px}
.sec-sw{width:40px;height:40px;background:var(--sw);border:1px solid rgba(19,19,24,.16);flex:none}
.sec-mk code{font-size:14px;color:var(--muted);letter-spacing:.06em}
.sec-mk em{font:400 1.6rem/1 var(--f-disp);font-style:normal;color:var(--p400);margin-left:auto}
@container (min-width:620px){
  .sec{grid-template-columns:96px minmax(0,1fr);gap:32px;padding:44px 0 28px}
  .sec-mk{flex-direction:column;align-items:flex-start;gap:8px;position:sticky;top:calc(var(--hdr) + 28px);align-self:start}
  .sec-sw{width:72px;height:72px}
  .sec-mk em{margin:6px 0 0;font-size:2.4rem;color:var(--p300)}
}
.sec-plain{display:block}
.sec-bd{min-width:0}
.art h2{font:400 clamp(1.9rem,1.35rem + 1.5vw,2.6rem)/1.1 var(--f-disp);color:var(--ink-2);margin:0 0 14px;text-wrap:balance}
.art h3{font:700 1.2rem/1.35 var(--f-body);margin:28px 0 8px;color:var(--ink-2)}
.art p{margin:0 0 16px}
.art strong{color:var(--ink-2);font-weight:650}
.art ul{list-style:none;padding:0;margin:0 0 18px}
.art ul li{position:relative;padding-left:26px;margin:0 0 10px}
.art ul li::before{content:"";position:absolute;left:2px;top:.62em;width:10px;height:10px;background:var(--sw,var(--ink));box-shadow:inset 0 0 0 1px rgba(19,19,24,.25)}
.art ol{padding:0;margin:0 0 18px;list-style:none;counter-reset:o}
.art ol li{counter-increment:o;position:relative;padding-left:40px;margin:0 0 12px}
.art ol li::before{content:counter(o,decimal-leading-zero);position:absolute;left:0;top:.1em;font:400 15px/1.5 var(--f-mono);color:var(--ink);background:var(--p100);padding:0 5px;border-radius:1px}
.art table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:16px;display:block;overflow-x:auto}
.art th,.art td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.art th{font:600 15px/1.3 var(--f-body);background:var(--p100)}
.art blockquote{margin:0 0 18px;padding:14px 18px;border-left:3px solid var(--lime);background:var(--sheet)}

/* FAQ */
.faq{margin-top:40px;padding-top:36px;border-top:2px solid var(--ink)}
.faq-hd{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.faq-sw{width:40px;height:40px;flex:none;background:conic-gradient(var(--p200) 25%,#fff 0 50%,var(--p200) 0 75%,#fff 0) 0 0/10px 10px;box-shadow:inset 0 0 0 1px var(--p300)}
.faq-hd h2{margin:0}
.qa{border-bottom:1px solid var(--line)}
.qa summary{display:grid;grid-template-columns:36px minmax(0,1fr) 30px;gap:12px;align-items:center;min-height:60px;padding:12px 0;cursor:pointer;list-style:none;font:600 1.06rem/1.4 var(--f-body);color:var(--ink-2)}
.qa summary::-webkit-details-marker{display:none}
.qa-n{font:400 14px/1 var(--f-mono);color:var(--muted)}
.qa-x{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--ink);position:relative;transition:transform .2s,background .2s}
.qa-x::before,.qa-x::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);transform:translate(-50%,-50%)}
.qa-x::before{width:12px;height:1.5px}
.qa-x::after{width:1.5px;height:12px}
.qa[open] .qa-x{transform:rotate(45deg);background:var(--lime);border-color:var(--olive)}
.qa summary:hover .qa-q{color:var(--sel-d)}
.qa-a{padding:0 0 18px 48px}
.qa-a p{margin:0 0 12px}

/* CTA */
.cta{margin-top:48px;background:var(--ink);color:var(--p100);padding:0 24px 28px;border-radius:3px;overflow:hidden}
.cta-ramp{display:flex;height:10px;margin:0 -24px 22px}
.cta-ramp span{flex:1;background:var(--sw)}
.cta-ramp .is-base{background:var(--lime)}
.cta p{margin:0 0 20px;font:500 1.14rem/1.5 var(--f-body);color:#fff;max-width:56ch}

/* layers panel */
.layers{background:var(--sheet);border:1px solid var(--line);border-radius:3px}
.layers summary{display:flex;align-items:center;gap:10px;min-height:52px;padding:0 14px;cursor:pointer;list-style:none;font:400 15px/1.2 var(--f-mono);letter-spacing:.04em;color:var(--ink-2);border-bottom:1px solid transparent}
.layers[open] summary{border-bottom-color:var(--line)}
.layers summary::-webkit-details-marker{display:none}
.ly-ico{display:grid;gap:2px}
.ly-ico i{width:14px;height:4px;background:var(--ink)}
.ly-ico i:nth-child(2){background:var(--lime);box-shadow:inset 0 0 0 1px var(--olive)}
.ly-cnt{margin-left:auto;min-width:26px;padding:3px 6px;background:var(--p100);text-align:center;font-size:13px}
.layers ol{list-style:none;margin:0;padding:6px}
.layers a{display:grid;grid-template-columns:14px 1fr;gap:10px;align-items:center;min-height:44px;padding:6px 8px;color:var(--ink);text-decoration:none;font-size:15px;line-height:1.35;border-radius:2px}
.layers a:hover{background:var(--p100);color:var(--ink-2)}
.layers a[aria-current]{background:rgba(47,91,234,.09);box-shadow:inset 2px 0 0 var(--sel);color:var(--sel-d)}
.ly-sw{width:14px;height:14px;background:var(--sw);border:1px solid rgba(19,19,24,.2)}
.demo-card{background:var(--ink);color:var(--p100);padding:20px;border-radius:3px}
.dc-art{display:grid;grid-template-columns:repeat(3,16px);gap:3px;margin-bottom:14px}
.dc-art i{height:16px;background:var(--p600)}
.dc-art i:nth-child(1),.dc-art i:nth-child(5),.dc-art i:nth-child(6){background:var(--lime)}
.dc-art i:nth-child(8){background:linear-gradient(to top right,transparent 44%,var(--red) 44% 56%,transparent 56%),#fff}
.demo-card strong{display:block;font:400 1.7rem/1.05 var(--f-disp);color:#fff}
.demo-card p{margin:8px 0 16px;font-size:16px;line-height:1.5;color:var(--p200)}

/* related */
.rel{padding:56px 0 72px;background:var(--p100);border-top:1px solid var(--line)}
.rel-t{font:400 clamp(2rem,1.5rem + 1.5vw,2.8rem)/1.05 var(--f-disp);margin-bottom:24px}
.rel-g{display:grid;gap:12px}
@media (min-width:640px){.rel-g{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}
@media (min-width:1000px){.rel-g{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rc{display:flex;flex-direction:column;background:var(--sheet);border:1px solid var(--line);border-radius:3px;text-decoration:none;color:var(--ink);padding:8px 8px 18px;transition:transform .18s,box-shadow .18s,border-color .18s}
.rc:hover{color:var(--ink);border-color:var(--sel);box-shadow:0 0 0 1px var(--sel),0 20px 40px -28px rgba(19,19,24,.5)}
@media (prefers-reduced-motion:no-preference){.rc:hover{transform:translateY(-3px)}}
.rc-sw{height:92px;background:var(--sw);display:flex;align-items:flex-end;padding:8px;border:1px solid rgba(19,19,24,.1)}
.rc-sw code{background:var(--sheet);color:var(--ink-2);padding:3px 7px;font-size:14px;letter-spacing:.05em}
.rc strong{font:700 1.08rem/1.35 var(--f-body);color:var(--ink-2);margin:14px 8px 6px}
.rc-d{font-size:16px;line-height:1.5;color:var(--muted);margin:0 8px}
@media (max-width:639px){
  .rc{display:grid;grid-template-columns:64px minmax(0,1fr);column-gap:14px;padding:8px 12px 8px 8px;align-items:start}
  .rc-sw{grid-row:1/3;height:auto;min-height:100%;padding:0}
  .rc-sw code{display:none}
  .rc strong{margin:6px 0 4px}
  .rc-d{margin:0 0 6px;font-size:15.5px}
}

/* footer */
.foot{background:var(--ink-2);color:var(--p200);padding-bottom:28px}
.foot-ramp{display:flex;height:14px}
.foot-ramp span{flex:1;background:var(--sw);display:flex;align-items:flex-end;padding:0 6px 6px;min-width:0}
.foot-ramp i{display:none;font:400 12px/1 var(--f-mono);font-style:normal;color:var(--ink-2);letter-spacing:.04em}
.foot-ramp span:nth-child(n+6) i{color:var(--p100)}
.foot-ramp .is-base{box-shadow:inset 0 3px 0 var(--lime)}
@media (min-width:900px){.foot-ramp{height:56px}.foot-ramp i{display:block}}
.foot .wrap{padding-top:44px}
.foot-g{display:grid;gap:32px}
@media (min-width:800px){.foot-g{grid-template-columns:1.5fr 1fr 1fr;gap:48px}}
.brand-inv{color:#fff;margin:0}
.brand-inv .brand-chip{background:var(--p800);box-shadow:inset 0 -6px 0 var(--lime),0 0 0 1px #3B3B47}
.brand-inv small{color:var(--p300)}
.foot-b p,.foot-disc{margin:16px 0 0;font-size:16px;line-height:1.6;color:var(--p200);max-width:52ch}
.foot-h{font:400 14px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--lime);margin:4px 0 10px}
.foot-l{list-style:none;margin:0 0 16px;padding:0}
.foot-l a{display:flex;align-items:center;min-height:44px;color:var(--p100);text-decoration:none;font-size:16px;border-bottom:1px solid #2E2E38}
.foot-l a:hover{color:var(--lime)}
.foot .lsw{background:transparent;border-color:#45454F}
.foot .lsw a{color:var(--p100)}
.foot .lsw a+a{border-color:#45454F}
.foot .lsw a[aria-current]{background:var(--lime);color:var(--ink-2)}
.foot .lsw a:not([aria-current]):hover{background:var(--p800)}
.foot-big{font:400 clamp(4.2rem,1rem + 17vw,17rem)/.86 var(--f-disp);color:transparent;-webkit-text-stroke:1px #4A4A57;margin:40px 0 0;padding:.06em 0 .04em;white-space:nowrap;overflow:hidden;letter-spacing:.01em;user-select:none}
.foot-btm{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;padding-top:18px;border-top:1px solid #2E2E38;font:400 15px/1.3 var(--f-mono);color:var(--p300)}
.age{display:grid;place-items:center;width:46px;height:46px;background:var(--lime);color:var(--ink-2);font:400 22px/1 var(--f-disp)}

/* 404 */
.nf{padding:64px 0 96px}
.nf-sw{display:flex;align-items:flex-end;gap:14px;margin-bottom:28px}
.nf-sw span{width:120px;height:120px;background:conic-gradient(var(--p200) 25%,#fff 0 50%,var(--p200) 0 75%,#fff 0) 0 0/16px 16px;box-shadow:inset 0 0 0 1px var(--p300)}
.nf-sw code{color:var(--muted)}
.nf h1{font:400 clamp(2.6rem,1.6rem + 4vw,4.6rem)/1.05 var(--f-disp)}
.nf p{max-width:52ch;margin:14px 0 24px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}