/* Myriadfile: design system v5 ("warm minimal")
   Paper and graphite grounds, terracotta accent, Bricolage Grotesque display, Instrument Serif accents,
   Hanken Grotesk for text and UI, IBM Plex Mono for formats. All fonts self-hosted (SIL OFL 1.1, licences in /assets/fonts).
   Tokens → base → chrome → rubber → sheet → palette → controls → converter → tools → content → home → footer → motion → v5 identity */

@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/fonts/hanken-latin-wght.woff2) format("woff2")}
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/bricolage-latin-opsz.woff2) format("woff2")}
@font-face{font-family:"Instrument Serif";font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/instrument-serif-italic.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/plex-mono-500.woff2) format("woff2")}
/* metric-matched fallbacks keep layout still while the web fonts load */
@font-face{font-family:"Hanken Fallback";src:local("Arial"),local("Helvetica Neue"),local("Roboto");size-adjust:98%;ascent-override:100%;descent-override:30%}
@font-face{font-family:"Bricolage Fallback";src:local("Arial"),local("Helvetica Neue"),local("Roboto");size-adjust:102%;ascent-override:92%;descent-override:26%}

/* ---------- tokens ---------- */
:root{
  --bg:#F5F2EC; --surface:#FFFFFF; --surface-2:#FAF8F4; --well:#EFEBE4; --deck:#E8E2D8; --beige:#E8E2D8;
  --ink:#20201E; --ink-2:#4F4C47; --ink-3:#6E6A64; --line:rgba(32,32,30,.11); --line-2:rgba(32,32,30,.2);
  --accent:#CC8A62; --accent-ink:#96562F; --accent-soft:rgba(204,138,98,.16); --on-accent:#1C1A17;
  --ok:#3D7A4E; --bad:#B0372B; --warn-bg:#F4E8DC;
  --btn-top:#20201E; --btn-bot:#20201E; --btn-ink:#F5F2EC;
  --sh-1:0 1px 2px rgba(32,32,30,.05);
  --sh-2:0 1px 2px rgba(32,32,30,.05),0 14px 32px -20px rgba(60,40,25,.32);
  --sh-btn:none;
  --sh-in:inset 0 0 0 1px var(--line);
  --grain-a:.05; --contour:rgba(120,82,58,.13); --hero-glow-1:rgba(204,138,98,.20); --hero-glow-2:rgba(214,196,170,.55);
  --grid-line:rgba(204,138,98,.085); --grid-major:rgba(204,138,98,.17);
  --sans:"Hanken Grotesk","Hanken Fallback",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --display:"Bricolage Grotesque","Bricolage Fallback",ui-sans-serif,system-ui,sans-serif;
  --serif:"Instrument Serif","Iowan Old Style",Georgia,serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r-xl:22px; --r-lg:16px; --r-md:12px; --r-sm:10px;
  --gut:16px; --max:1200px; --head:68px;
  --ease-out:cubic-bezier(.23,1,.32,1); --ease-io:cubic-bezier(.77,0,.175,1); --ease-spring:cubic-bezier(.3,1.35,.5,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#141414; --surface:#20201E; --surface-2:#262522; --well:#1A1A19; --deck:#1C1B1A; --beige:#2B2925;
  --ink:#F5F2EC; --ink-2:#CDC7BD; --ink-3:#A39D93; --line:rgba(245,242,236,.09); --line-2:rgba(245,242,236,.17);
  --accent:#D2936B; --accent-ink:#E4B08C; --accent-soft:rgba(210,147,107,.18); --on-accent:#141414;
  --ok:#7DC49A; --bad:#F08E80; --warn-bg:#2A211B;
  --btn-top:#F5F2EC; --btn-bot:#F5F2EC; --btn-ink:#141414;
  --sh-1:0 1px 0 rgba(255,255,255,.03) inset;
  --sh-2:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px -24px rgba(0,0,0,.85);
  --sh-btn:none;
  --sh-in:inset 0 0 0 1px var(--line);
  --grain-a:.07; --contour:rgba(220,205,185,.08); --hero-glow-1:rgba(204,138,98,.13); --hero-glow-2:rgba(70,64,56,.45);
  --grid-line:rgba(245,242,236,.035); --grid-major:rgba(204,138,98,.1);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#141414; --surface:#20201E; --surface-2:#262522; --well:#1A1A19; --deck:#1C1B1A; --beige:#2B2925;
  --ink:#F5F2EC; --ink-2:#CDC7BD; --ink-3:#A39D93; --line:rgba(245,242,236,.09); --line-2:rgba(245,242,236,.17);
  --accent:#D2936B; --accent-ink:#E4B08C; --accent-soft:rgba(210,147,107,.18); --on-accent:#141414;
  --ok:#7DC49A; --bad:#F08E80; --warn-bg:#2A211B;
  --btn-top:#F5F2EC; --btn-bot:#F5F2EC; --btn-ink:#141414;
  --sh-1:0 1px 0 rgba(255,255,255,.03) inset;
  --sh-2:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px -24px rgba(0,0,0,.85);
  --sh-btn:none;
  --sh-in:inset 0 0 0 1px var(--line);
  --grain-a:.07; --contour:rgba(220,205,185,.08); --hero-glow-1:rgba(204,138,98,.13); --hero-glow-2:rgba(70,64,56,.45);
  --grid-line:rgba(245,242,236,.035); --grid-major:rgba(204,138,98,.1);
  color-scheme:dark;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--head) + 24px);-webkit-tap-highlight-color:transparent}
button,a,[role=button],summary,label.check{touch-action:manipulation}
button,[role=button]{-webkit-user-select:none;user-select:none}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.62 var(--sans);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:var(--grain);background-size:240px 240px}
img,svg,video,canvas{max-width:100%}
h1,h2,h3,h4{margin:0;font-family:var(--display);color:var(--ink);text-wrap:balance;font-optical-sizing:auto}
h1{font-weight:650;font-size:clamp(36px,4.8vw,62px);line-height:1;letter-spacing:-.038em}
h2{font-weight:620;font-size:clamp(26px,2.8vw,36px);line-height:1.08;letter-spacing:-.03em}
h3{font-weight:600;font-size:19px;line-height:1.25;letter-spacing:-.015em}
p{margin:0 0 1em}
a{color:inherit;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:1.5px;text-underline-offset:.22em}
a:hover{text-decoration-thickness:2.5px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:var(--accent);color:var(--on-accent)}
code,kbd,.mono{font-family:var(--mono);font-size:.88em}
kbd{display:inline-block;border-radius:7px;padding:1px 7px;background:var(--surface);box-shadow:0 0 0 1px var(--line-2);font-size:12px;color:var(--ink-2);line-height:1.6}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.serif{font-family:var(--serif);font-weight:400;font-style:italic;letter-spacing:-.012em;font-size:1.06em}
.dot{display:inline-block;width:.3em;height:.3em;border-radius:50%;background:var(--accent);vertical-align:baseline;margin-left:.05em}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:999px}
.skip:focus{left:12px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 max(var(--gut),env(safe-area-inset-left,0px))}
.wrap.narrow{max-width:1040px}
@media (min-width:720px){:root{--gut:28px}}
main{flex:1 0 auto}
.lede{font-size:clamp(17.5px,1.4vw,19.5px);line-height:1.55;color:var(--ink-2);max-width:56ch;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0;font:650 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* ---------- header: opaque bar with a hairline ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 10px 28px -24px rgba(0,0,0,.45)}
.head-row{display:flex;align-items:center;gap:16px;height:var(--head)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex:0 0 auto}
.logo-mark{width:30px;height:36px;flex:0 0 auto;color:var(--ink);transition:transform .28s var(--ease-out)}
.logo-word{height:29px;width:auto;color:var(--ink);margin-top:1px}
.lg-acc{fill:var(--accent)}
.logo-mark .lg-acc{transform-origin:44.5px 15.5px;transition:transform .28s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.brand:hover .logo-mark{transform:translateY(-1px) rotate(-4deg)}.brand:hover .logo-mark .lg-acc{transform:scale(1.18)}}
.nav-shell{position:relative;display:flex;align-items:center;gap:0;padding:4px;margin-left:auto;border-radius:999px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.nav-shell a{position:relative;z-index:2;display:block;padding:9px 15px;border-radius:999px;color:var(--ink-2);text-decoration:none;font-size:14.5px;font-weight:560;letter-spacing:-.01em;white-space:nowrap;transition:color .25s}
.nav-shell a:hover{color:var(--ink)}
.nav-shell a.is-under{color:var(--btn-ink)}
.nav-shell a[aria-current="page"]::after{content:"";position:absolute;left:50%;bottom:3px;width:4px;height:4px;margin-left:-2px;border-radius:50%;background:var(--accent);transition:opacity .2s}
html:not(.js) .nav-shell a[aria-current="page"]{background:var(--ink);color:var(--bg)}
.head-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:44px;min-width:44px;padding:0 14px;border:0;border-radius:999px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);font:560 14.5px/1 var(--sans);cursor:pointer;transition:transform .16s var(--ease-out),background .2s}
@media (hover:hover){.icon-btn:hover{background:var(--surface-2)}}
.icon-btn:active{transform:scale(.96)}
.icon-btn kbd{font-size:11px;background:transparent}
.theme-btn,.menu-btn{padding:0;width:44px}
.theme-btn svg{transition:transform .3s var(--ease-out)}
.theme-btn[aria-pressed="true"] svg{transform:rotate(180deg)}
.menu-btn{display:none}
@media (max-width:1240px){.search-btn kbd{display:none}.search-btn .lbl{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.search-btn{padding:0;width:44px}}
@media (max-width:1020px){.nav-shell{display:none}.menu-btn{display:inline-flex}.head-actions{margin-left:auto}}
@media (max-width:360px){.head-row .logo-word{display:none}}

/* ---------- rubber band ---------- */
.rb-instant > *,.rb-instant > * *{transition:none!important}
.is-settled{background-image:linear-gradient(180deg,var(--btn-top),var(--btn-bot))!important}
.rubber{position:absolute;z-index:1;left:0;top:0;width:0;height:0;border-radius:999px;pointer-events:none;will-change:transform,width,height;background:linear-gradient(180deg,var(--btn-top),var(--btn-bot));box-shadow:var(--sh-btn)}

/* ---------- mobile sheet ---------- */
.sheet{position:fixed;inset:0;z-index:80;background:var(--bg);display:flex;flex-direction:column;gap:24px;overflow-y:auto;
  padding:calc(12px + env(safe-area-inset-top,0px)) max(var(--gut),env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) max(var(--gut),env(safe-area-inset-left,0px));opacity:0;visibility:hidden;transition:opacity .25s var(--ease-out),visibility .25s}
.sheet.open{opacity:1;visibility:visible;transition:opacity .25s var(--ease-out),visibility 0s}
.sheet-top{display:flex;justify-content:space-between;align-items:center;min-height:52px}
.sheet-nav{position:relative;display:flex;flex-direction:column;margin-top:4px}
.sheet-nav a{position:relative;z-index:2;font:700 clamp(30px,8vw,44px)/1.1 var(--sans);letter-spacing:-.045em;text-decoration:none;color:var(--ink-2);padding:9px 20px;border-radius:22px;transition:color .25s}
.sheet-nav a.is-under{color:var(--btn-ink)}
.sheet-nav a[aria-current="page"]::before{content:"";position:absolute;left:6px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--accent)}
.sheet-nav .rubber{border-radius:22px}
.sheet-mini{display:flex;flex-wrap:wrap;gap:8px 20px;padding:0 20px}
.sheet-mini a{color:var(--ink-2);text-decoration:none;font-size:16px}
.sheet-search{margin-top:auto}
.sheet.open .sheet-nav a{animation:sheet-in .45s var(--ease-out) both}
.sheet.open .sheet-nav a:nth-child(2){animation-delay:.025s}.sheet.open .sheet-nav a:nth-child(3){animation-delay:.05s}.sheet.open .sheet-nav a:nth-child(4){animation-delay:.075s}.sheet.open .sheet-nav a:nth-child(5){animation-delay:.1s}.sheet.open .sheet-nav a:nth-child(6){animation-delay:.125s}.sheet.open .sheet-nav a:nth-child(7){animation-delay:.15s}
@keyframes sheet-in{from{opacity:0;transform:translateY(12px)}}

/* ---------- command palette ---------- */
.palette{position:fixed;inset:0;z-index:90;display:grid;place-items:start center;padding:max(10vh,72px) 16px 16px;background:rgba(10,10,12,.42);opacity:0;visibility:hidden}
.palette.open{opacity:1;visibility:visible}
.pal-box{width:min(660px,100%);background:var(--surface);border-radius:24px;box-shadow:0 40px 100px -30px rgba(0,0,0,.6),0 0 0 1px var(--line);overflow:hidden}
.pal-in{display:flex;align-items:center;gap:14px;padding:6px 18px 6px 20px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.pal-in input{flex:1;border:0;background:transparent;box-shadow:none;font:500 18px/1.3 var(--sans);letter-spacing:-.015em;padding:16px 0;min-height:60px;color:var(--ink)}
.pal-in input:focus-visible{box-shadow:none}
.pal-list{position:relative;max-height:min(56vh,460px);overflow-y:auto;padding:8px;overscroll-behavior:contain}
.pal-list a{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 16px;border-radius:14px;text-decoration:none;color:var(--ink);font-weight:560;letter-spacing:-.01em;transition:color .15s}
.pal-list a small{font-size:12px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;transition:color .15s}
.pal-list a.is-under,.pal-list a.is-under small{color:var(--btn-ink)}
.pal-list .rubber{border-radius:14px}
.pal-empty{padding:26px;color:var(--ink-2);margin:0}
.pal-foot{display:flex;gap:20px;padding:12px 20px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.pal-foot kbd{margin-right:4px}
@media (max-width:560px){.pal-foot{display:none}.palette{padding-top:64px}}

/* ---------- page transitions (opacity + a short lift; no blur) ---------- */
body.is-entering main{animation:page-in .38s var(--ease-out) both}
body.is-leaving main{animation:page-out .18s var(--ease-out) both}
@keyframes page-in{from{opacity:0;transform:translateY(10px)}}
@keyframes page-out{to{opacity:0}}

/* ---------- page top ---------- */
.page-top{padding:clamp(28px,4vw,48px) 0 clamp(28px,3.5vw,44px)}
.page-top .lede{margin-top:16px}
.crumbs{font-size:14px;color:var(--ink-2);margin:0 0 22px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li:not(:last-child)::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--ink-3)}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.crumbs [aria-current]{color:var(--ink);font-weight:560}
.page-head{display:grid;gap:0;max-width:820px}
.page-head h1 .serif{display:block;font-weight:400;letter-spacing:-.03em;color:var(--accent-ink)}
.head-split{display:grid;gap:28px;align-items:end}
@media (min-width:980px){.head-split{grid-template-columns:minmax(0,1fr) auto}}
.head-facts{display:flex;flex-wrap:wrap;gap:10px}
.head-facts div{background:var(--surface);border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--line);padding:12px 16px;min-width:120px}
.head-facts span{display:block;font-size:12px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.head-facts b{display:block;font-weight:650;font-size:15px;margin-top:4px}
.head-facts a{text-decoration:none}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.badge{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:560;padding:7px 14px 7px 12px;border-radius:999px;background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.badge.offline::before{background:var(--ok)}
.badge svg{display:none}

/* ---------- controls ---------- */
.btns{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;border:0;background:var(--surface);color:var(--ink);font:620 15px/1 var(--sans);letter-spacing:-.012em;cursor:pointer;text-decoration:none;white-space:nowrap;box-shadow:var(--sh-1),inset 0 0 0 1px var(--line);transition:transform .16s var(--ease-out),box-shadow .2s,background .2s,color .2s}
@media (hover:hover){.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2),inset 0 0 0 1px var(--line-2)}}
.btn:active{transform:scale(.97)}
.btn svg{flex:0 0 auto}
.btn.primary{color:var(--btn-ink);background:linear-gradient(180deg,var(--btn-top) 0%,var(--btn-bot) 100%);box-shadow:var(--sh-btn)}
@media (hover:hover){.btn.primary:hover{box-shadow:var(--sh-btn),0 16px 30px -16px rgba(0,0,0,.55)}}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.42;cursor:not-allowed;transform:none;box-shadow:var(--sh-1)}
.btn.small{min-height:40px;padding:0 16px;font-size:14px}
.btn.ghost{background:transparent;box-shadow:inset 0 0 0 1px var(--line-2)}
@media (hover:hover){.btn.ghost:hover{background:var(--surface)}}
.linklike{background:none;border:0;padding:0;font:inherit;font-size:14px;font-weight:600;color:var(--accent-ink);text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 45%,transparent);text-underline-offset:.22em;cursor:pointer}

.fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:18px 16px}
.fields .full{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--ink-2);min-width:0}
.field > span{font-weight:600;color:var(--ink-2);font-size:13.5px}
input,select,textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--well);border:0;border-radius:var(--r-sm);padding:11px 14px;width:100%;min-width:0;min-height:48px;box-shadow:var(--sh-in);transition:box-shadow .2s,background .2s}
select{appearance:none;-webkit-appearance:none;padding-right:40px;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat}
textarea{font-family:var(--mono);font-size:13.5px;line-height:1.6;resize:vertical}
input::placeholder,textarea::placeholder{color:var(--ink-3)}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:0;box-shadow:var(--sh-in),0 0 0 2px var(--accent)}
input:disabled{opacity:.5}
input[type=color]{padding:5px;height:48px;cursor:pointer}
input[type=range]{-webkit-appearance:none;appearance:none;padding:0;min-height:28px;background:none;box-shadow:none}
input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:999px;background:var(--well);box-shadow:var(--sh-in)}
input[type=range]::-moz-range-track{height:8px;border-radius:999px;background:var(--well);box-shadow:var(--sh-in)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;margin-top:-8px;background:linear-gradient(180deg,var(--btn-top),var(--btn-bot));box-shadow:var(--sh-btn);cursor:grab}
input[type=range]::-moz-range-thumb{width:24px;height:24px;border:0;border-radius:50%;background:linear-gradient(180deg,var(--btn-top),var(--btn-bot));box-shadow:var(--sh-btn)}
input[type=range]:focus-visible{box-shadow:none}
input[type=range]:focus-visible::-webkit-slider-thumb{outline:2px solid var(--accent);outline-offset:3px}
.checks{display:grid;gap:6px}
.check{display:flex;gap:12px;align-items:center;font-size:15px;color:var(--ink);min-height:38px;cursor:pointer}
.check input{-webkit-appearance:none;appearance:none;flex:0 0 auto;width:26px;height:26px;min-height:0;padding:0;border-radius:9px;background:var(--well);box-shadow:var(--sh-in);display:grid;place-items:center;cursor:pointer;transition:background .2s,box-shadow .2s,transform .16s var(--ease-out)}
.check input::after{content:"";width:11px;height:6px;border:2.5px solid var(--ink-3);border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px);opacity:.35;transition:border-color .2s,opacity .2s}
.check input:checked{background:linear-gradient(180deg,var(--btn-top),var(--btn-bot));box-shadow:var(--sh-btn)}
.check input:checked::after{border-color:var(--btn-ink);opacity:1}
.check input:active{transform:scale(.9)}

/* segmented controls: the rubber band rides underneath */
.tabs,.seg{position:relative;display:inline-flex;flex-wrap:wrap;gap:2px;padding:4px;background:var(--well);border-radius:999px;box-shadow:var(--sh-in);max-width:100%}
.tabs{margin-bottom:4px}
.tabs button,.seg button{position:relative;z-index:2;border:0;background:transparent;color:var(--ink-2);border-radius:999px;padding:0 16px;min-height:38px;font:600 14px/1 var(--sans);letter-spacing:-.01em;cursor:pointer;transition:color .2s}
.tabs button:hover,.seg button:hover{color:var(--ink)}
.tabs button.is-under,.tabs button[aria-selected="true"],.seg button.is-under{color:var(--btn-ink)}
@media (max-width:560px){.seg{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;max-width:100%}.seg::-webkit-scrollbar{display:none}.seg button{white-space:nowrap;flex:0 0 auto}}
html:not(.js) .tabs button[aria-selected="true"],html:not(.js) .seg button[aria-pressed="true"]{background:var(--ink)}
.tabpanel[hidden]{display:none}
.chips{position:relative;display:flex;flex-wrap:wrap;gap:4px;padding:4px;background:var(--well);border-radius:18px;box-shadow:var(--sh-in);width:max-content;max-width:100%}
.chips button{position:relative;z-index:2;border:0;background:transparent;color:var(--ink-2);border-radius:14px;padding:0 14px;min-height:40px;font:620 14px/1 var(--sans);cursor:pointer;transition:color .2s}
.chips button:hover{color:var(--ink)}
.chips button[aria-pressed="true"],.chips button.is-under{color:var(--btn-ink)}
.chips .rubber{border-radius:14px}

.note{font-size:14.5px;color:var(--ink-2);margin:12px 0 0;line-height:1.55}
.note.lead{margin:0 0 20px}
.warn{font-size:15px;background:var(--warn-bg);border-radius:var(--r-md);padding:14px 16px 14px 38px;margin:16px 0 0;color:var(--ink);position:relative}
.warn::before{content:"";position:absolute;left:17px;top:22px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.err{color:var(--bad);font-weight:600}
.ok{color:var(--ok);font-weight:600}
.status{min-height:1.6em;font-size:15px;margin-top:14px;display:flex;align-items:center;flex-wrap:wrap;gap:2px}
.honest{font-size:14.5px;color:var(--ink-2);margin:18px 6px 4px;padding:4px 6px}
.honest summary{cursor:pointer;font-weight:620;color:var(--ink);list-style:none;display:inline-flex;align-items:center;gap:10px}
.honest summary::-webkit-details-marker{display:none}
.honest summary::before{content:"+";display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line-2);font-weight:600;transition:transform .25s var(--ease-out)}
.honest[open] summary::before{transform:rotate(45deg)}
.honest ul{margin:12px 0 0;padding-left:22px;display:grid;gap:6px}
.progress{height:8px;border-radius:999px;background:var(--well);box-shadow:var(--sh-in);overflow:hidden;margin-top:16px}
.progress > i{display:block;height:100%;width:0;border-radius:999px;background:var(--accent);transition:width .25s ease}

/* ---------- universal converter ---------- */
.cv{position:relative}
.cv-frame{position:relative;border-radius:calc(var(--r-xl) + 8px);padding:10px;background:var(--surface);box-shadow:var(--sh-2),inset 0 0 0 1px var(--line);transition:box-shadow .25s}
.cv-frame::before{content:"";position:absolute;inset:0;border-radius:inherit;border:1.5px dashed transparent;pointer-events:none;transition:border-color .2s}
.cv.is-over .cv-frame{box-shadow:var(--sh-2),0 0 0 2px var(--accent),0 0 60px -12px color-mix(in srgb,var(--accent) 55%,transparent)}
.cv-drop{position:relative;display:grid;justify-items:center;align-content:center;gap:10px;min-height:clamp(320px,44vh,420px);padding:40px 22px;border-radius:var(--r-xl);background:var(--well);box-shadow:var(--sh-in);text-align:center;cursor:pointer;transition:background .25s}
.cv-drop::after{content:"";position:absolute;inset:12px;border-radius:calc(var(--r-xl) - 10px);border:1.5px dashed var(--line-2);pointer-events:none;transition:border-color .2s,inset .25s var(--ease-out)}
@media (hover:hover){.cv-drop:hover::after{border-color:var(--ink-3)}}
.cv.is-over .cv-drop{background:var(--surface-2)}
.cv.is-over .cv-drop::after{border-color:var(--accent);inset:8px}
.cv-title{display:block;font-weight:740;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.04em;line-height:1.1;margin-top:6px}
.cv-sub{display:block;color:var(--ink-2);font-size:15.5px;max-width:44ch}
.cv-pickers{justify-content:center;margin-top:14px}
.cv-stack{display:flex;justify-content:center;height:64px;margin-bottom:6px}
.cv-stack .ftile{width:54px;height:54px;border-radius:16px;font-size:13px;margin:0 2px;box-shadow:0 10px 18px -10px rgba(0,0,0,.5),0 0 0 3px var(--well);transition:transform .35s var(--ease-spring)}
.cv-stack .ftile:nth-child(1){transform:rotate(-12deg) translateY(8px)}
.cv-stack .ftile:nth-child(2){transform:rotate(-5deg)}
.cv-stack .ftile:nth-child(3){transform:translateY(-6px);z-index:2}
.cv-stack .ftile.hot{background:var(--accent);color:var(--on-accent)}
.cv-stack .ftile.hot::after{background:var(--on-accent)}
.cv-stack.two .ftile{width:62px;height:62px;font-size:14px;margin:0 6px}
.cv-stack.two .ftile:nth-child(1){transform:rotate(-8deg)}
.cv-stack.two .ftile:nth-child(2){transform:rotate(7deg) translateY(-4px)}
.cv-stack .ftile:nth-child(4){transform:rotate(6deg)}
.cv-stack .ftile:nth-child(5){transform:rotate(12deg) translateY(8px)}
@media (hover:hover){
  .cv-drop:hover .two .ftile:nth-child(1),.cv.is-over .two .ftile:nth-child(1){transform:rotate(-12deg) translateX(-8px)}
  .cv-drop:hover .two .ftile:nth-child(2),.cv.is-over .two .ftile:nth-child(2){transform:rotate(10deg) translate(8px,-8px)}
  .cv-drop:hover :not(.two) > .ftile:nth-child(1),.cv.is-over :not(.two) > .ftile:nth-child(1){transform:rotate(-16deg) translate(-10px,6px)}
  .cv-drop:hover :not(.two) > .ftile:nth-child(2),.cv.is-over :not(.two) > .ftile:nth-child(2){transform:rotate(-7deg) translate(-4px,-4px)}
  .cv-drop:hover .ftile:nth-child(3),.cv.is-over .ftile:nth-child(3){transform:translateY(-12px) scale(1.06)}
  .cv-drop:hover .ftile:nth-child(4),.cv.is-over .ftile:nth-child(4){transform:rotate(8deg) translate(4px,-4px)}
  .cv-drop:hover .ftile:nth-child(5),.cv.is-over .ftile:nth-child(5){transform:rotate(16deg) translate(10px,6px)}
}
/* format tiles used by the converter */
.ftile{position:relative;display:inline-grid;place-items:center;flex:0 0 auto;width:44px;height:44px;border-radius:13px;background:var(--ink);color:var(--bg);font:800 12px/1 var(--sans);letter-spacing:-.02em}
.ftile::after{content:"";position:absolute;right:6px;top:6px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.ftile.c-x{background:var(--ink-3)}
.ftile.c-x::after{display:none}

/* step 2: "your files" → "convert to" */
.cv-work{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
@media (min-width:880px){.cv-work{grid-template-columns:minmax(0,.82fr) 44px minmax(0,1.18fr);gap:0;align-items:stretch}}
.cv-pane{background:var(--surface-2);border-radius:var(--r-xl);padding:20px;box-shadow:inset 0 0 0 1px var(--line);min-width:0}
.cv-label{margin:0 0 14px;font:650 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.cv-arrow{display:grid;place-items:center;color:var(--ink-3)}
@media (max-width:879px){.cv-arrow{transform:rotate(90deg);height:20px}}
.cv-types{position:relative;display:flex;flex-direction:column;gap:4px}
.cv-type{position:relative;z-index:2;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;width:100%;padding:10px 14px 10px 10px;border:0;border-radius:18px;background:transparent;color:var(--ink);text-align:left;font:inherit;cursor:pointer;transition:color .2s}
.cv-types:not(.multi) .cv-type{cursor:default}
.cv-type .ftile{transition:background .2s,color .2s}
.cv-type-txt b{display:block;font-weight:700;font-size:17px;letter-spacing:-.02em;line-height:1.2}
.cv-type-txt small{display:block;font-size:13.5px;color:var(--ink-2);transition:color .2s}
.cv-type-to{font-size:13.5px;font-weight:650;color:var(--ink-2);white-space:nowrap;transition:color .2s}
.cv-type.is-under{color:var(--btn-ink)}
.cv-type.is-under small,.cv-type.is-under .cv-type-to{color:color-mix(in srgb,var(--btn-ink) 72%,transparent)}
.cv-type.is-under .ftile{background:var(--btn-ink);color:var(--btn-bot)}
.cv-types .rubber{border-radius:18px}
.cv-empty{margin:0;color:var(--ink-2)}
.cv-targets{position:relative;display:grid;gap:16px}
.cv-group{display:grid;gap:8px}
.cv-glabel{font-size:13px;font-weight:620;color:var(--ink-2)}
.cv-chips{display:flex;flex-wrap:wrap;gap:6px}
.cv-chip{position:relative;z-index:2;min-height:42px;padding:0 16px;border:0;border-radius:14px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);font:650 14.5px/1 var(--sans);letter-spacing:-.01em;cursor:pointer;transition:color .2s,box-shadow .2s,background .2s}
@media (hover:hover){.cv-chip:hover{box-shadow:inset 0 0 0 1px var(--ink-3)}}
.cv-chip.is-under{color:var(--btn-ink);background:transparent;box-shadow:none}
.cv-targets .rubber{border-radius:14px}
.cv-opts{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.cv-opt{display:grid;gap:8px;font-size:13px;font-weight:620;color:var(--ink-2);min-width:0}
.cv-range{grid-template-columns:auto minmax(120px,200px) 44px;align-items:center;gap:12px}
.cv-range output{font-weight:650;color:var(--ink);font-variant-numeric:tabular-nums}
.cv-combine{flex-basis:100%;font-size:15px}
.cv-note{font-size:14px;color:var(--ink-2);margin:16px 0 0}

/* step 3: the file rows */
.cv-queue{margin-top:14px}
.cv-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:6px 6px 12px}
.cv-count{font-weight:650;font-size:15px}
.cv-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.cv-row{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr) auto auto auto;align-items:center;gap:14px;padding:12px 14px;border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-1),inset 0 0 0 1px var(--line);overflow:hidden}
.cv-row.enter{animation:row-in .28s var(--ease-out) both}
.cv-work:not([hidden]),.cv-queue:not([hidden]){animation:cv-in .28s var(--ease-out) both}
.cv-drop:not([hidden]){animation:cv-in .22s var(--ease-out) both}
@keyframes cv-in{from{opacity:0;transform:translateY(6px)}}
@keyframes row-in{from{opacity:0;transform:translateY(6px)}}
.cv-name{min-width:0}
.cv-name > b{display:block;font-weight:650;font-size:15px;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cv-meta{display:block;font-size:13.5px;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cv-meta b{color:var(--ink);font-weight:650}
.cv-to{font-size:14px;font-weight:650;white-space:nowrap}
.cv-to i{font-style:normal;color:var(--ink-3);margin-right:6px}
.cv-state{font-size:13px;font-weight:620;color:var(--ink-3);min-width:76px;text-align:right}
.is-working .cv-state{color:var(--ink)}
.is-done .cv-state{color:var(--ok)}
.cv-act{display:flex;align-items:center;gap:6px}
.cv-pct{font-variant-numeric:tabular-nums;font-weight:650;font-size:14px;min-width:42px;text-align:right}
.cv-x{width:36px;height:36px;border:0;border-radius:50%;background:transparent;color:var(--ink-3);font-size:22px;line-height:1;cursor:pointer;transition:background .2s,color .2s}
@media (hover:hover){.cv-x:hover{background:var(--surface-2);color:var(--ink)}}
.cv-x:disabled{opacity:.3;cursor:not-allowed}
.cv-prog{position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent);transform-origin:left;transform:scaleX(var(--p,0));transition:transform .2s linear;opacity:0}
.is-working .cv-prog,.is-queued .cv-prog{opacity:1}
.is-done .cv-prog{opacity:0;transition:opacity .6s .3s}
.is-error{box-shadow:var(--sh-1),inset 0 0 0 1.5px color-mix(in srgb,var(--bad) 45%,transparent)}
.is-error .cv-meta{white-space:normal}
@media (max-width:680px){
  .cv-row{grid-template-columns:44px minmax(0,1fr) auto;row-gap:8px}
  .cv-to{grid-column:2}.cv-state{display:none}.cv-act{grid-column:3;grid-row:1/3}
}

/* ---------- old single-purpose tools (kept as-is in function, restyled) ---------- */
.tool-stage{padding-bottom:8px}
.tool{position:relative;background:var(--deck);border-radius:calc(var(--r-xl) + 6px);padding:10px;box-shadow:inset 0 0 0 1px var(--line)}
.tool > * + *{margin-top:10px}
@media (min-width:760px){.tool{padding:14px}.tool > * + *{margin-top:14px}}
.bay{position:relative;display:grid;justify-items:center;gap:8px;width:100%;background:var(--well);border-radius:var(--r-lg);box-shadow:var(--sh-in);padding:48px 24px 42px;text-align:center;cursor:pointer;color:var(--ink);transition:box-shadow .25s,background .25s;font:inherit;overflow:hidden}
.bay::after{content:"";position:absolute;inset:11px;border-radius:calc(var(--r-lg) - 9px);border:1.5px dashed var(--line-2);pointer-events:none;transition:border-color .2s,inset .25s var(--ease-out)}
@media (hover:hover){.bay:hover::after{border-color:var(--ink-3)}}
.bay.over{background:var(--surface);box-shadow:0 0 0 2px var(--accent),0 0 50px -10px color-mix(in srgb,var(--accent) 55%,transparent)}
.bay.over::after{border-color:transparent;inset:6px}
.bay .bay-icon{display:grid;place-items:center;width:60px;height:60px;border-radius:20px;margin-bottom:10px;color:var(--btn-ink);background:linear-gradient(180deg,var(--btn-top),var(--btn-bot));box-shadow:var(--sh-btn);transition:transform .3s var(--ease-out)}
.bay .bay-icon svg{width:24px;height:24px}
@media (hover:hover) and (pointer:fine){.bay:hover .bay-icon{transform:translateY(-3px) rotate(-5deg)}}
.bay.over .bay-icon{transform:translateY(-3px) rotate(-5deg)}
.bay strong{display:block;font-weight:720;font-size:clamp(20px,2vw,25px);letter-spacing:-.035em;line-height:1.15}
.bay .bay-sub{display:block;color:var(--ink-2);font-size:15px;max-width:44ch}
.bay .bay-keys{display:block;color:var(--ink-3);font-size:13px;margin-top:6px}
.bay input[type=file]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.bay.compact{padding:30px 18px 26px}
.bay.compact strong{font-size:18px}
.bay.compact .bay-icon{width:48px;height:48px;border-radius:16px;margin-bottom:4px}
.bay.compact .bay-icon svg{width:20px;height:20px}
.panel{background:var(--surface);border-radius:var(--r-lg);padding:clamp(20px,2.6vw,30px);box-shadow:var(--sh-1)}
.panel + .panel{margin-top:14px}
.tool-grid > .panel{margin-top:0}
.panel h2,.panel .h{font:700 19px/1.2 var(--sans);letter-spacing:-.025em;margin:0 0 18px}
.panel .h-gap{margin-top:34px;padding-top:28px;border-top:1px solid var(--line)}
.panel > .btns,.panel .fields + .btns,.panel .checks + .fields,.panel .bay + .fields,.panel .fields + .chips,.panel .chips + .btns,.panel .spec + .chips,.panel .fields + .spec,.panel .bay + .note,.panel .chips + .files,.panel .files + .btns,.panel .fields + .note{margin-top:22px}
.panel .fields + .warn{margin-top:18px}
.panel .ba + .status{margin-top:18px}
.tool-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;align-items:start}
@media (min-width:920px){.tool-grid.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.tool > .tabs{margin-left:4px}
.tool-grid > div > .tabs{margin-bottom:14px}
.tool .bay + video,#v{margin-top:14px}
.files{display:flex;flex-direction:column;gap:8px}
.fi{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--surface);border-radius:var(--r-md);padding:10px 12px;box-shadow:var(--sh-1);cursor:pointer;transition:transform .2s var(--ease-out),box-shadow .2s;animation:row-in .32s var(--ease-out) both}
@media (hover:hover){.fi:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}}
.fi.sel{box-shadow:var(--sh-1),0 0 0 2px var(--accent)}
.fi .th{width:56px;height:56px;border-radius:12px;object-fit:cover;background:var(--well);display:block}
.fi .nm{font-weight:620;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:-.01em}
.fi .meta{font-size:13.5px;color:var(--ink-2)}
.fi .acts{display:flex;gap:6px;align-items:center}
.save{display:inline-block;font-size:12.5px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent-ink);margin-left:6px;white-space:nowrap}
.save.up{background:var(--surface-2);color:var(--ink-2)}
@media (max-width:520px){.fi{grid-template-columns:48px minmax(0,1fr)}.fi .th{width:48px;height:48px}.fi .acts{grid-column:1/-1}}
.compare{position:relative;border-radius:var(--r-md);overflow:hidden;background:repeating-conic-gradient(var(--surface-2) 0 25%,var(--surface) 0 50%) 0 0/18px 18px;max-height:440px;display:grid;place-items:center;box-shadow:var(--sh-in)}
.compare img{display:block;max-width:100%;max-height:440px;grid-area:1/1}
.compare .after{clip-path:inset(0 0 0 var(--pos,50%))}
.compare .divider{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;background:var(--accent);transform:translateX(-1px);pointer-events:none}
.compare-cap{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-2);margin-top:10px;gap:10px}
.compare-range{margin-top:10px}
.stamp{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:linear-gradient(180deg,var(--btn-top),var(--btn-bot));color:var(--btn-ink);vertical-align:middle;margin-right:10px;box-shadow:var(--sh-btn),0 0 0 4px var(--accent-soft)}
.stamp svg{width:16px;height:16px}
.stamp path{stroke-dasharray:24;stroke-dashoffset:24;animation:draw .4s .05s var(--ease-out) forwards}
.pop{animation:pop .4s var(--ease-spring)}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{from{transform:scale(.6)}}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);color:var(--btn-ink);background:linear-gradient(180deg,var(--btn-top),var(--btn-bot));box-shadow:var(--sh-btn),0 20px 40px -20px rgba(0,0,0,.5);padding:13px 20px;border-radius:999px;font-size:15px;font-weight:560;opacity:0;transition:opacity .2s,transform .3s var(--ease-out);pointer-events:none;z-index:100;max-width:calc(100vw - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.cues{max-height:360px;overflow:auto;border-radius:var(--r-sm);background:var(--well);box-shadow:var(--sh-in)}
.cues div{display:grid;grid-template-columns:48px 200px minmax(0,1fr);gap:10px;padding:9px 14px;border-bottom:1px solid var(--line);font-size:14px}
.cues div span:nth-child(-n+2){font-family:var(--mono);color:var(--ink-2);font-size:12.5px}
@media (max-width:600px){.cues div{grid-template-columns:40px minmax(0,1fr)}.cues div span:nth-child(3){grid-column:1/-1}}
.cues-h{margin:22px 0 10px}
.info{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:15px;color:var(--ink-2);padding:4px 8px}
.info b{color:var(--ink);font-weight:620}
textarea.preview{min-height:250px}
video{width:100%;border-radius:var(--r-md);background:#000;max-height:440px;display:block}
.frames{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-top:14px}
.frames figure{margin:0;font-size:12.5px;color:var(--ink-2)}
.frames img{width:100%;border-radius:12px;display:block;background:var(--well)}
.out-img{max-width:100%;border-radius:var(--r-md);margin-top:14px;display:block}
.r-canvas{width:100%;max-width:200px;margin-top:16px;border-radius:12px;background:var(--surface-2);display:block}
.p-thumb{max-width:100%;margin-top:14px;border-radius:10px;border:1px solid var(--line)}
.spec{font-size:14.5px;background:var(--accent-soft);border-radius:var(--r-md);padding:14px 16px;margin-top:18px}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ba figure{margin:0;text-align:center;font-size:13px;color:var(--ink-2);min-height:140px;display:flex;flex-direction:column;justify-content:flex-end;background:var(--well);box-shadow:var(--sh-in);border-radius:var(--r-md);padding:12px}
.ba img{max-width:100%;max-height:260px;border-radius:10px;background:repeating-conic-gradient(var(--surface-2) 0 25%,transparent 0 50%) 0 0/16px 16px;display:block;margin:0 auto 10px}
.ba img:not([src]),.compare img:not([src]),.out-img:not([src]){display:none}

/* ---------- ads ---------- */
.ad{margin:clamp(40px,5vw,64px) 0;min-height:290px;display:flex;flex-direction:column;align-items:stretch}
.ad .ad-label{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 10px 4px}
.ad ins{display:block;min-height:250px;width:100%;border-radius:var(--r-md);overflow:hidden}
.ad.off{display:none}

/* ---------- format tiles (svg) ---------- */
.fmt{flex:0 0 auto;display:block;color:var(--ink)}
.fmt .fmt-bg{fill:currentColor}
.fmt .fmt-tx{fill:var(--bg)}
.fmt .fmt-dot{fill:var(--accent)}
.fmt-pair{display:flex;align-items:center;gap:8px;margin-bottom:22px}
.fmt-pair .fmt{width:54px;height:54px}
.fmt-pair .fmt:first-child{transform:rotate(-6deg)}
.fmt-pair .fmt:last-child{transform:rotate(5deg)}
.fmt-pair .fmt:last-child .fmt-bg{fill:var(--accent)}
.fmt-pair .fmt:last-child .fmt-tx,.fmt-pair .fmt:last-child .fmt-dot{fill:var(--on-accent)}
.fmt-arrow{display:grid;place-items:center;width:30px;height:30px;color:var(--ink-3)}
.hub-mark{width:64px;height:64px;color:var(--ink);margin-bottom:22px}

/* ---------- article layout: jump rail | prose | related ---------- */
.read{padding-block:clamp(28px,4vw,56px) clamp(24px,3vw,40px)}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start}
@media (min-width:1000px){.content-grid{grid-template-columns:minmax(0,1fr) 300px;gap:64px}}
@media (min-width:1180px){.content-grid.has-toc{grid-template-columns:180px minmax(0,1fr) 290px;gap:56px}}
.toc{display:none}
@media (min-width:1180px){
  .toc{display:block;position:sticky;top:calc(var(--head) + 28px);font-size:14px}
  .toc-title{margin:0 0 12px;font:650 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
  .toc-list{position:relative;display:flex;flex-direction:column;gap:2px}
  .toc-list a{position:relative;z-index:2;display:block;padding:7px 12px;border-radius:12px;color:var(--ink-2);text-decoration:none;transition:color .2s}
  .toc-list a:hover{color:var(--ink)}
  .toc-list a.is-under,.toc-list a[aria-current]{color:var(--ink);font-weight:620}
  .toc-list .rubber{border-radius:12px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
  .toc-list .is-settled{background-image:none!important}
}
.prose{max-width:36em;font-size:17px;min-width:0}
.prose p,.prose li,.prose dd,.lede,.faq details p{text-wrap:pretty}
.prose > h2{margin:52px 0 14px;font-size:clamp(24px,2.4vw,30px)}
.prose > h2:first-child{margin-top:0}
.prose h3{margin:26px 0 8px}
.prose p,.prose li{color:color-mix(in srgb,var(--ink) 86%,var(--ink-2))}
.prose ul,.prose ol{padding-left:22px;margin:0 0 1em}
.prose li{margin-bottom:6px}
.prose li::marker{color:var(--accent)}
.prose table{border-collapse:separate;border-spacing:0;width:100%;font-size:15px;margin:14px 0 22px;display:block;overflow-x:auto;background:var(--surface);border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--line)}
.prose th,.prose td{padding:11px 15px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.prose tr:last-child td{border-bottom:0}
.prose th{font-weight:680;font-size:13.5px;color:var(--ink-2)}
.prose pre{max-width:100%;overflow-x:auto;background:var(--ink);color:var(--bg);border-radius:var(--r-md);padding:16px 18px;font-size:14px;line-height:1.55}
.prose pre code{font-size:inherit}
.prose .steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:8px}
.prose .steps li{counter-increment:s;position:relative;padding:16px 18px 16px 64px;margin:0;background:var(--surface);border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--line)}
.prose .steps li::before{content:counter(s);position:absolute;left:18px;top:15px;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--bg);font:700 13.5px/1 var(--sans)}
.prose dl{margin:0 0 1em;display:grid;gap:6px}
.prose dt{font-weight:680;margin-top:8px;letter-spacing:-.01em}
.prose dd{margin:0 0 4px;color:var(--ink-2)}
.faq{display:grid;gap:8px}
.faq details{background:var(--surface);border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--line);padding:2px 18px;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--sh-1),inset 0 0 0 1px var(--line)}
.faq summary{cursor:pointer;font-weight:640;font-size:16.5px;letter-spacing:-.01em;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:0 0 auto;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;font:500 19px/1 var(--sans);color:var(--ink);background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line);transition:transform .25s var(--ease-out)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 16px;color:var(--ink-2)}
.sources{font-size:14.5px;color:var(--ink-2)}
.sources h2{margin:44px 0 12px}
.sources ul{padding-left:18px}
.verified{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:560;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);border-radius:999px;padding:6px 14px;margin:4px 0 12px;color:var(--ink)}
.verified::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
.byline{font-size:14.5px;color:var(--ink-2);margin:14px 0 0}
.aside-box{position:sticky;top:calc(var(--head) + 24px);background:var(--surface);border-radius:var(--r-xl);padding:22px 14px 14px;box-shadow:inset 0 0 0 1px var(--line)}
.related h2{font:650 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 10px 14px}
.aside-box .note{margin:12px 10px 0}
.tool-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.tool-list a{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:var(--r-md);text-decoration:none;color:var(--ink);transition:background .2s}
@media (hover:hover){.tool-list a:hover{background:var(--surface-2)}}
.tool-list .fmt{width:38px;height:38px}
.tool-list .t{font-weight:640;font-size:15px;display:block;line-height:1.25;letter-spacing:-.01em}
.tool-list .d{font-size:13px;color:var(--ink-2);display:block;line-height:1.35}

/* ---------- lists of tools and conversions ---------- */
.sec{padding-block:clamp(40px,5vw,72px)}
.sec-h{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 24px;margin-bottom:22px}
.sec-h h2{font-size:clamp(22px,2.2vw,28px)}
.sec-h p{margin:0;color:var(--ink-2);font-size:15px}
.grid-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:10px}
.grid-list a{position:relative;display:flex;align-items:center;gap:14px;height:100%;padding:14px 16px;border-radius:var(--r-lg);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);text-decoration:none;color:var(--ink);transition:box-shadow .2s,transform .2s var(--ease-out)}
@media (hover:hover){.grid-list a:hover{box-shadow:var(--sh-1),inset 0 0 0 1px var(--line-2);transform:translateY(-2px)}}
.grid-list .fmt{width:42px;height:42px}
.grid-list .t{display:block;font-weight:660;font-size:15.5px;letter-spacing:-.015em;line-height:1.25}
.grid-list .d{display:block;font-size:13.5px;color:var(--ink-2);line-height:1.4;margin-top:2px}
.grid-list .arrow{margin-left:auto;color:var(--ink-3);flex:0 0 auto;transition:transform .2s var(--ease-out),color .2s}
@media (hover:hover){.grid-list a:hover .arrow{color:var(--ink);transform:translate(2px,-2px)}}
.pair-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.pair-links a{display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 16px 0 14px;border-radius:999px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);text-decoration:none;font-weight:620;font-size:14.5px;letter-spacing:-.01em;transition:box-shadow .2s,background .2s}
.pair-links a i{font-style:normal;color:var(--ink-3)}
@media (hover:hover){.pair-links a:hover{box-shadow:inset 0 0 0 1px var(--ink-3)}}
.pair-groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:26px 28px}
.pair-groups h3{font-size:14px;font-weight:650;color:var(--ink-2);margin:0 0 10px}

/* ---------- home ---------- */
.home-top{padding:clamp(28px,4.5vw,56px) 0 clamp(36px,5vw,64px)}
.home-top h1{font-size:clamp(34px,4.6vw,56px);letter-spacing:-.045em;text-align:center}
.home-top h1 .serif{font-weight:400;color:var(--accent-ink)}
.home-top .lede{text-align:center;margin:14px auto 30px;font-size:clamp(16.5px,1.3vw,18.5px)}
.cats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (min-width:720px){.cats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.cat-card{display:flex;flex-direction:column;justify-content:space-between;gap:28px;min-height:150px;padding:18px;border-radius:var(--r-lg);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);text-decoration:none;color:var(--ink);transition:box-shadow .2s,transform .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.cat-card:hover{box-shadow:var(--sh-1),inset 0 0 0 1px var(--line-2);transform:translateY(-2px)}.cat-card:hover .cat-mark{transform:rotate(-6deg)}}
.cat-card .cat-mark{width:40px;height:40px;color:var(--ink);transition:transform .3s var(--ease-out)}
.cat-card b{display:block;font-weight:680;font-size:16px;letter-spacing:-.02em}
.cat-card small{display:block;font-size:13px;color:var(--ink-2);margin-top:2px}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:22px;font-size:14px;color:var(--ink-2)}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust svg{color:var(--ink)}

/* ---------- blog, forms, misc ---------- */
.post-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
@media (min-width:860px){.post-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
.post-list li{position:relative;background:var(--surface);border-radius:var(--r-xl);box-shadow:inset 0 0 0 1px var(--line);padding:28px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .2s,transform .2s var(--ease-out)}
@media (hover:hover){.post-list li:hover{box-shadow:var(--sh-1),inset 0 0 0 1px var(--line-2);transform:translateY(-2px)}}
.post-list h2{font-size:clamp(21px,2vw,25px);line-height:1.15}
.post-list h2 a{color:var(--ink);text-decoration:none}
.post-list h2 a::after{content:"";position:absolute;inset:0;border-radius:inherit}
.post-list p{margin:0;color:var(--ink-2)}
.doc-wrap{max-width:820px}
.form{display:grid;gap:20px;max-width:640px;background:var(--surface);border-radius:var(--r-xl);box-shadow:inset 0 0 0 1px var(--line);padding:clamp(24px,4vw,36px);margin:8px 0 24px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.nf-big{font:italic 400 clamp(120px,20vw,220px)/.85 var(--serif);letter-spacing:-.05em;color:var(--accent)}
.stage{padding-bottom:8px}

/* ---------- exam checklist ---------- */
.cl-app{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;align-items:start}
@media (min-width:1080px){.cl-app{grid-template-columns:250px minmax(0,1fr) 320px}}
.cl-rail{position:sticky;top:calc(var(--head) + 20px);background:var(--surface);border-radius:var(--r-xl);box-shadow:inset 0 0 0 1px var(--line);padding:12px}
.cl-steps{position:relative;display:flex;flex-direction:column;gap:2px}
.cl-steps button{position:relative;z-index:2;display:flex;align-items:center;gap:12px;border:0;background:transparent;text-align:left;color:var(--ink-2);padding:12px 14px;border-radius:16px;font:600 15px/1.25 var(--sans);letter-spacing:-.01em;cursor:pointer;transition:color .2s}
.cl-steps button span{display:grid;place-items:center;flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--well);box-shadow:var(--sh-in);font:650 13px/1 var(--sans);color:var(--ink-2);transition:background .2s,color .2s}
.cl-steps button.done span{background:var(--accent-soft);color:var(--accent-ink);box-shadow:none}
.cl-steps button.is-under{color:var(--btn-ink)}
.cl-steps button.is-under span{background:color-mix(in srgb,var(--btn-ink) 16%,transparent);color:var(--btn-ink);box-shadow:none}
.cl-steps .rubber{border-radius:16px}
.cl-rail-foot{margin-top:12px;padding:14px 14px 4px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-3)}
@media (max-width:1079px){
  .cl-rail{position:sticky;top:calc(var(--head) + 8px);z-index:5;padding:4px;border-radius:999px}
  .cl-steps{flex-direction:row;overflow-x:auto;scrollbar-width:none}
  .cl-steps::-webkit-scrollbar{display:none}
  .cl-steps button{white-space:nowrap;border-radius:999px;padding:9px 14px 9px 9px}
  .cl-steps .rubber{border-radius:999px}
  .cl-rail-foot{display:none}
}
.cl-main{min-width:0}
.cl-step{background:var(--surface);border-radius:var(--r-xl);box-shadow:inset 0 0 0 1px var(--line);padding:clamp(22px,3.6vw,40px)}
.cl-step > h2{font-size:clamp(26px,2.8vw,36px);margin-bottom:10px}
.cl-step > .note.lead{font-size:16px;margin-bottom:30px;max-width:60ch}
.cl-step-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.exam-grid{position:relative;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));gap:10px}
.exam-grid button{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;gap:8px;min-height:140px;padding:20px;border-radius:var(--r-lg);border:0;background:transparent;box-shadow:inset 0 0 0 1px var(--line-2);color:var(--ink);text-align:left;cursor:pointer;font:inherit;transition:color .2s,box-shadow .2s}
@media (hover:hover){.exam-grid button:hover{box-shadow:inset 0 0 0 1px var(--ink-3)}}
.exam-grid button b{font:700 18px/1.15 var(--sans);letter-spacing:-.025em}
.exam-grid button small{font-size:13.5px;color:var(--ink-2);line-height:1.4;transition:color .2s}
.exam-grid button em{margin-top:auto;font:italic 400 15px/1 var(--serif);color:var(--accent-ink);transition:color .2s}
.exam-grid button.is-under{color:var(--btn-ink);box-shadow:none}
.exam-grid button.is-under small,.exam-grid button.is-under em{color:color-mix(in srgb,var(--btn-ink) 76%,transparent)}
.exam-grid .rubber{border-radius:var(--r-lg)}
.docs-list{display:grid;gap:12px}
.doc-item{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;padding:20px 22px;border-radius:var(--r-lg);background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line);transition:background .25s,box-shadow .25s,opacity .25s}
.doc-item.is-off{opacity:.55}
.doc-item.is-ready{background:color-mix(in srgb,var(--accent-soft) 60%,var(--surface-2));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}
.doc-item.is-bad{box-shadow:inset 0 0 0 1.5px color-mix(in srgb,var(--bad) 55%,transparent)}
.doc-item .check{min-height:26px;align-self:start;margin-top:2px}
.doc-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 16px}
.doc-head h3{font-size:18px}
.doc-rules{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0;padding:0;list-style:none}
.doc-rules li{font-size:13px;font-weight:620;padding:5px 11px;border-radius:999px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);color:var(--ink-2)}
.doc-note{font-size:14px;color:var(--ink-2);margin:12px 0 0}
.doc-acts{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}
.doc-verify{font-size:14px;margin-top:12px}
.doc-drop{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 16px;border-radius:999px;background:var(--surface);box-shadow:var(--sh-1),inset 0 0 0 1px var(--line);font:600 14px/1 var(--sans);cursor:pointer;transition:transform .16s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.doc-drop:hover{transform:translateY(-1px)}}
.doc-drop.over{box-shadow:0 0 0 2px var(--accent)}
.doc-drop input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:680;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:var(--surface);color:var(--ink-3);box-shadow:inset 0 0 0 1px var(--line)}
.tag.live{background:var(--accent-soft);color:var(--accent-ink);box-shadow:none;align-self:start}
.add-row{margin-top:20px;padding:22px;border-radius:var(--r-lg);border:1.5px dashed var(--line-2)}
.cl-summary{position:sticky;top:calc(var(--head) + 20px);border-radius:var(--r-xl);padding:26px 24px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden}
.cl-summary h2{font-size:12px;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 20px}
.ring{position:relative;width:170px;height:170px;margin:4px auto 24px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring .trk{stroke:var(--well)}
.ring .val{stroke:var(--accent);transition:stroke-dashoffset .7s var(--ease-out)}
.ring-label{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring-label b{font:italic 400 54px/.9 var(--serif);letter-spacing:-.04em;color:var(--ink)}
.ring-label span{font-size:13px;color:var(--ink-2);margin-top:6px}
.sum-rows{display:grid;margin:0}
.sum-rows div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:13px 0;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.sum-rows dd{margin:0;color:var(--ink);font-weight:650;font-variant-numeric:tabular-nums;text-align:right}
.sum-rows dt{margin:0}
.meter{height:8px;border-radius:999px;background:var(--well);overflow:hidden;margin:6px 0 4px}
.meter i{display:block;height:100%;width:0;border-radius:999px;background:var(--ink);transition:width .7s var(--ease-out)}
.meter.over i{background:var(--bad)}
.cl-summary .btns{margin-top:22px}
.cl-summary .btn{width:100%}
.review-table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;background:var(--surface-2);border-radius:var(--r-md);overflow:hidden;box-shadow:inset 0 0 0 1px var(--line)}
.review-table th,.review-table td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.review-table tr:last-child td{border-bottom:0}
.review-table th{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:650}
.review-scroll{overflow-x:auto;border-radius:var(--r-md)}
.state{display:inline-flex;align-items:center;gap:6px;font-weight:620;font-size:13.5px}
.state::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ink-3)}
.state.ready::before{background:var(--ok)}
.state.bad::before{background:var(--bad)}
@media (max-width:1079px){.cl-summary{position:relative;top:0}}

/* ---------- footer ---------- */
.site-footer{margin-top:clamp(56px,7vw,96px);border-top:1px solid var(--line);padding:clamp(40px,5vw,64px) 0 calc(28px + env(safe-area-inset-bottom,0px));font-size:15px}
.foot-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 28px;padding-bottom:36px}
.foot-line{margin:0;color:var(--ink-2)}
.foot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}
@media (min-width:720px){.foot-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (min-width:1080px){.foot-grid{grid-template-columns:repeat(7,minmax(0,1fr))}}
.foot-grid h2{font:680 14px/1.2 var(--sans);letter-spacing:-.01em;margin:0 0 14px;color:var(--ink)}
.foot-grid h2 a{color:inherit;text-decoration:none}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin:0 0 9px;line-height:1.35}
.foot-grid a{color:var(--ink-2);text-decoration:none;font-size:14.5px;transition:color .2s}
.foot-grid a:hover{color:var(--ink)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;color:var(--ink-3);border-top:1px solid var(--line);margin-top:40px;padding-top:22px;font-size:13.5px}
.foot-bottom a{color:var(--ink-2);text-decoration:none}
.foot-bottom a:hover{color:var(--ink)}
.foot-made{margin-left:auto}
.linkbtn{background:none;border:0;padding:0;color:var(--ink-2);font:inherit;cursor:pointer}
.linkbtn:hover{color:var(--ink)}

/* ---------- reveal (only for things below the fold at load) ---------- */
.reveal{transition:opacity .5s var(--ease-out),transform .5s var(--ease-out)}
.reveal.pre{opacity:0;transform:translateY(12px)}

/* ---------- motion preferences, print ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-property:opacity,color,background-color,border-color,box-shadow!important;transition-duration:.12s!important;scroll-behavior:auto!important}
  .reveal.pre{transform:none}
}
@media print{.site-header,.site-footer,.ad,.tool,.cv{display:none}}
@media (max-width:400px){.cv-stack .ftile{width:44px;height:44px;border-radius:13px;font-size:11px;margin:0 1px}.cv-stack.two .ftile{width:54px;height:54px}.cv-drop{padding:32px 14px}.cv-pickers .btn{padding:0 18px}}

/* =====================================================================
   v5 identity layer: textures, header, hero, dropzone, tiles, cards, footer
   ===================================================================== */
:root{--grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .42 0 0 0 0 .32 0 0 0 0 .22 0 0 0 -1.6 1.15'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(#n)' opacity='.38'/%3E%3C/svg%3E")}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='2' seed='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .95 0 0 0 0 .92 0 0 0 0 .86 0 0 0 9 -5.6'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(#n)' opacity='.2'/%3E%3C/svg%3E")}}
:root[data-theme="dark"]{--grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='2' seed='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .95 0 0 0 0 .92 0 0 0 0 .86 0 0 0 9 -5.6'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(#n)' opacity='.2'/%3E%3C/svg%3E")}

/* type roles */
.cv-title,.bay strong,.panel h2,.panel .h,.cl-step > h2,.sheet-nav a,.exam-grid button b,.post-list h2,.cat-card b,.home-sec-title,.nf-big{font-family:var(--display)}
.cv-title{font-weight:620;letter-spacing:-.03em}
.bay strong{font-weight:620;letter-spacing:-.025em}
.panel h2,.panel .h{font-weight:600;letter-spacing:-.02em}
.sheet-nav a{font-weight:600;letter-spacing:-.035em}
.eyebrow,.cv-label,.toc-title,.related h2,.ad .ad-label,.cl-summary h2,.head-facts span,.review-table th,.pal-list a small,.tag,.foot-h{font-family:var(--mono);font-weight:500;letter-spacing:.06em}
.eyebrow,.cv-label,.toc-title,.related h2,.cl-summary h2,.foot-h{font-size:11.5px}
.nf-big{font:italic 400 clamp(120px,20vw,220px)/.85 var(--serif)}
.ring-label b{font-family:var(--serif)}
.page-head h1 .serif,.home-top h1 .serif{color:var(--accent-ink)}

/* header */
.site-header{background:color-mix(in srgb,var(--bg) 100%,transparent);background-image:var(--grain);background-size:240px 240px}
.site-header.scrolled{box-shadow:0 12px 24px -22px rgba(40,28,18,.5)}
.head-row{height:72px;gap:20px}
.brand{gap:9px}
.nav-shell{background:transparent;box-shadow:none;padding:0;gap:2px}
.nav-shell a{padding:9px 13px;font-size:14.5px;font-weight:550;color:var(--ink-2);border-radius:10px}
.nav-shell a.is-under{color:var(--ink)}
.nav-shell .rubber{border-radius:10px;background:var(--beige)!important;box-shadow:none}
.nav-shell .is-settled{background-image:none!important}
.nav-shell a[aria-current="page"]{color:var(--ink)}
.nav-shell a[aria-current="page"]::after{left:13px;right:13px;width:auto;bottom:2px;height:2px;margin:0;border-radius:2px;background:var(--accent)}
html:not(.js) .nav-shell a[aria-current="page"]{background:transparent;color:var(--ink)}
.icon-btn{background:transparent;box-shadow:inset 0 0 0 1px var(--line-2);border-radius:12px;height:42px;min-width:42px}
.theme-btn,.menu-btn{width:42px}
@media (hover:hover){.icon-btn:hover{background:var(--surface)}}
.theme-btn svg{transition:none}
.theme-btn .ti{position:relative;width:18px;height:18px;display:block}
.theme-btn .ti svg{position:absolute;inset:0;transition:transform .28s var(--ease-out),opacity .2s ease}
.theme-btn .ti-sun{opacity:0;transform:rotate(-90deg) scale(.5)}
:root[data-theme="dark"] .theme-btn .ti-sun{opacity:1;transform:none}
:root[data-theme="dark"] .theme-btn .ti-moon{opacity:0;transform:rotate(90deg) scale(.5)}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-btn .ti-sun{opacity:1;transform:none}
  :root:not([data-theme="light"]) .theme-btn .ti-moon{opacity:0;transform:rotate(90deg) scale(.5)}
}
.sheet{background-color:var(--bg);background-image:var(--grain);background-size:240px 240px}
.sheet-nav .rubber{background:var(--beige)!important;box-shadow:none}
.sheet-nav a.is-under{color:var(--ink)}

/* rubber band selections elsewhere: flat ink */
.rubber{box-shadow:none}

/* buttons: accent primary, quiet secondary */
.btn{border-radius:999px;box-shadow:inset 0 0 0 1px var(--line-2);font-weight:600}
@media (hover:hover){.btn:hover{transform:translateY(-1px);box-shadow:inset 0 0 0 1px var(--ink-3),0 8px 18px -14px rgba(40,28,18,.45)}}
.btn.primary{background:var(--accent);color:var(--on-accent);box-shadow:inset 0 -1px 0 rgba(0,0,0,.12)}
@media (hover:hover){.btn.primary:hover{background:#D69870;box-shadow:inset 0 -1px 0 rgba(0,0,0,.12),0 10px 22px -14px rgba(120,70,40,.7)}}
.btn.primary:active{background:#BD7C55}
.btn.ghost{background:transparent}
.btn:disabled,.btn[aria-disabled="true"]{box-shadow:inset 0 0 0 1px var(--line)}
.linklike{color:var(--accent-ink)}

/* inputs: flat wells */
input,select,textarea{background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line-2)}
input:focus-visible,select:focus-visible,textarea:focus-visible{box-shadow:inset 0 0 0 1px var(--accent),0 0 0 3px var(--accent-soft)}
.tabs,.seg,.chips{background:var(--well);box-shadow:inset 0 0 0 1px var(--line)}
.check input{background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line-2);border-radius:7px}
.progress{background:var(--well)}
.warn::before{background:var(--accent)}

/* hero grounds: grainy warm gradient + contour lines */
.home-top,.page-top{position:relative;isolation:isolate}
.home-top::before,.page-top::before{content:"";position:absolute;inset:0;z-index:-2;pointer-events:none;
  background:radial-gradient(60% 70% at 12% 8%,var(--hero-glow-2),transparent 70%),radial-gradient(45% 60% at 92% 30%,var(--hero-glow-1),transparent 72%)}
.home-top::after,.page-top::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:var(--contour);
  -webkit-mask:url(/assets/img/contour.svg) center/cover no-repeat;mask:url(/assets/img/contour.svg) center/cover no-repeat}
.page-top::before{background:radial-gradient(55% 90% at 100% 0,var(--hero-glow-1),transparent 70%),radial-gradient(40% 80% at 0 0,var(--hero-glow-2),transparent 70%)}
.page-top::after{-webkit-mask-image:url(/assets/img/contour.svg),linear-gradient(90deg,transparent 30%,#000 85%);mask-image:url(/assets/img/contour.svg),linear-gradient(90deg,transparent 30%,#000 85%);-webkit-mask-composite:source-in;mask-composite:intersect;-webkit-mask-size:cover,100% 100%;mask-size:cover,100% 100%;opacity:.8}
.page-top + *,.home-top + *{position:relative}
.home-top{padding:clamp(36px,6vw,84px) 0 clamp(40px,5vw,72px);border-bottom:1px solid var(--line)}
.home-top h1{font-size:clamp(40px,6.4vw,86px);letter-spacing:-.045em;line-height:.98;font-weight:640}
.home-top h1 .serif{font-size:1.08em;letter-spacing:-.02em}
.home-top .lede{margin:18px auto 10px}
.stat-row{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin:0 auto 34px;padding:0;list-style:none;font:500 12.5px/1.4 var(--mono);letter-spacing:.04em;color:var(--ink-2)}
.stat-row li{display:inline-flex;align-items:center;gap:8px}
.stat-row li + li::before{content:"";width:5px;height:5px;background:var(--accent);transform:rotate(45deg);margin-right:10px}
.stat-row b{color:var(--ink);font-weight:500}
@media (max-width:480px){.stat-row{gap:6px 16px;max-width:300px}.stat-row li + li::before{display:none}.stat-row li{padding:0}}
.page-top{border-bottom:1px solid var(--line);margin-bottom:clamp(20px,3vw,36px)}
.crumbs{font-size:13.5px}
.crumbs li:not(:last-child)::after{width:4px;height:4px;border-radius:0;transform:rotate(45deg);background:var(--accent)}

/* the dropzone: solid sheet, blueprint grid, crop marks, dashed rule */
.cv-frame{border-radius:calc(var(--r-xl) + 6px);padding:8px;background:var(--surface);box-shadow:var(--sh-2),inset 0 0 0 1px var(--line)}
.cv.is-over .cv-frame{box-shadow:var(--sh-2),0 0 0 2px var(--accent)}
.cv-drop,.bay{background-color:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line);
  background-image:linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:96px 96px,96px 96px,16px 16px,16px 16px;background-position:center center;transition:background-color .25s,box-shadow .25s}
.cv-drop{border-radius:var(--r-xl);min-height:clamp(330px,44vh,430px)}
.cv-drop::after,.bay::after{border:1.5px dashed color-mix(in srgb,var(--accent) 55%,var(--line-2));inset:14px}
.cv-drop::before,.bay::before{content:"";position:absolute;inset:6px;pointer-events:none;opacity:.9;
  background:linear-gradient(var(--accent),var(--accent)) 0 0/10px 1.5px,linear-gradient(var(--accent),var(--accent)) 0 0/1.5px 10px,
  linear-gradient(var(--accent),var(--accent)) 100% 0/10px 1.5px,linear-gradient(var(--accent),var(--accent)) 100% 0/1.5px 10px,
  linear-gradient(var(--accent),var(--accent)) 0 100%/10px 1.5px,linear-gradient(var(--accent),var(--accent)) 0 100%/1.5px 10px,
  linear-gradient(var(--accent),var(--accent)) 100% 100%/10px 1.5px,linear-gradient(var(--accent),var(--accent)) 100% 100%/1.5px 10px;background-repeat:no-repeat;transition:transform .25s var(--ease-out)}
@media (hover:hover){.cv-drop:hover::after,.bay:hover::after{border-color:var(--accent)}.cv-drop:hover::before,.bay:hover::before{transform:scale(1.006)}}
.cv.is-over .cv-drop,.bay.over{background-color:color-mix(in srgb,var(--accent-soft) 70%,var(--surface-2));--grid-line:color-mix(in srgb,var(--accent) 22%,transparent);--grid-major:color-mix(in srgb,var(--accent) 38%,transparent);box-shadow:inset 0 0 0 1px var(--accent)}
.cv.is-over .cv-drop::after,.bay.over::after{border-style:solid;border-color:var(--accent);inset:10px}
.cv.is-over .cv-drop::before,.bay.over::before{transform:scale(1.012)}
.cv-title{font-size:clamp(26px,2.8vw,34px)}
.cv-sub{color:var(--ink-2)}
.bay .bay-icon{background:var(--ink);color:var(--bg);border-radius:14px;box-shadow:none}
.bay.over{box-shadow:inset 0 0 0 1px var(--accent)}
.cv-pane{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.cv-chip{border-radius:10px;font:500 13.5px/1 var(--mono);letter-spacing:.02em;background:var(--surface-2)}
.cv-targets .rubber,.cv-types .rubber{border-radius:12px}
.cv-row{border-radius:var(--r-md);box-shadow:inset 0 0 0 1px var(--line)}
.cv-prog{height:2px}
.cv-state{font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.03em}
.is-done .cv-row,.cv-row.is-done{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--ok) 40%,transparent)}

/* format tiles: a folded sheet with an ordered-dither foot */
.ftile{width:44px;height:52px;border-radius:6px;background:var(--ink);color:var(--bg);font:500 11px/1 var(--mono);letter-spacing:.01em;
  clip-path:polygon(0 0,66% 0,100% 28%,100% 100%,0 100%);align-items:start;padding-top:15px;overflow:hidden}
.ftile::after{right:0;top:0;width:34%;height:28%;border-radius:0 0 0 4px;background:var(--accent)}
.ftile::before{content:"";position:absolute;left:0;right:0;bottom:0;height:42%;background:var(--bg);opacity:.92;
  -webkit-mask:url(/assets/img/dither.svg) 0 100%/100% 100% no-repeat;mask:url(/assets/img/dither.svg) 0 100%/100% 100% no-repeat}
.ftile.c-x{background:var(--ink-3)}
.cv-stack{height:76px;align-items:flex-end}
.cv-stack .ftile{width:52px;height:62px;border-radius:7px;font-size:12px;box-shadow:none;margin:0 3px}
.cv-stack .ftile.hot{background:var(--accent);color:var(--on-accent)}
.cv-stack .ftile.hot::after{background:var(--ink)}
.cv-stack .ftile.hot::before{background:var(--bg);opacity:.9}
.cv-stack .ftile{padding-top:19px}
.cv-stack.two .ftile{width:58px;height:70px}
.cv-type.is-under .ftile{background:var(--btn-ink);color:var(--btn-bot)}
.fmt{overflow:visible}
.fmt .fmt-bg{fill:var(--ink)}
.fmt .fmt-fold{fill:var(--accent)}
.fmt .fmt-dz{fill:var(--bg);opacity:.9}
.fmt .fmt-tx{fill:var(--bg);font-family:var(--mono)}
.fmt-pair .fmt{width:50px;height:50px}
.fmt-pair .fmt:first-child{transform:rotate(-5deg)}
.fmt-pair .fmt:last-child{transform:rotate(4deg)}
.fmt-pair .fmt:last-child .fmt-bg{fill:var(--accent)}
.fmt-pair .fmt:last-child .fmt-fold{fill:var(--ink)}
.fmt-pair .fmt:last-child .fmt-tx{fill:var(--on-accent)}
.fmt-pair .fmt:last-child .fmt-dz{fill:var(--bg);opacity:.9}
.hub-mark{color:var(--ink)}

/* lists, chips and cards: plain solid surfaces */
.pair-links{gap:6px}
.pair-links a{border-radius:10px;min-height:40px;padding:0 14px;font:500 13.5px/1 var(--mono);letter-spacing:.02em;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .2s,background .2s,transform .2s var(--ease-out),color .2s}
.pair-links a i{color:var(--accent)}
@media (hover:hover){.pair-links a:hover{box-shadow:inset 0 0 0 1px var(--accent);transform:translateY(-1px)}}
.pair-links a:active{transform:scale(.97)}
.grid-list a,.cat-card,.post-list li,.faq details,.aside-box,.form,.panel,.cl-step,.cl-rail,.cl-summary,.head-facts div,.prose .steps li,.prose table{box-shadow:inset 0 0 0 1px var(--line)}
.grid-list a{border-radius:var(--r-md)}
@media (hover:hover){.grid-list a:hover,.post-list li:hover{box-shadow:inset 0 0 0 1px var(--line-2),0 10px 24px -18px rgba(40,28,18,.4)}}
.panel{box-shadow:inset 0 0 0 1px var(--line)}
.tool{background:var(--beige);box-shadow:inset 0 0 0 1px var(--line)}
.cat-card{position:relative;overflow:hidden;min-height:168px;border-radius:var(--r-lg)}
.cat-card::after{content:"";position:absolute;right:-6px;top:-6px;width:92px;height:92px;pointer-events:none;opacity:.55;
  background:radial-gradient(circle,var(--accent) 1.1px,transparent 1.6px) 0 0/7px 7px;
  -webkit-mask:radial-gradient(circle at 100% 0,#000 0,transparent 70%);mask:radial-gradient(circle at 100% 0,#000 0,transparent 70%);transition:opacity .3s}
@media (hover:hover) and (pointer:fine){.cat-card:hover{box-shadow:inset 0 0 0 1px var(--line-2),0 12px 28px -20px rgba(40,28,18,.45)}.cat-card:hover::after{opacity:.9}}
.cat-card b{font-weight:600;font-size:18px;letter-spacing:-.02em}
.cat-card small{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em}
.faq details{border-radius:var(--r-md)}
.faq summary::after{background:transparent;box-shadow:inset 0 0 0 1px var(--line-2);border-radius:8px}
.prose .steps li::before{border-radius:6px;font-family:var(--mono);font-weight:500;background:var(--accent);color:var(--on-accent)}
.prose li::marker{color:var(--accent)}
.prose blockquote{margin:24px 0;padding:4px 0 4px 20px;border-left:2px solid var(--accent);font:italic 400 22px/1.4 var(--serif);color:var(--ink)}
.prose pre{background:var(--well);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.sec-h h2{font-size:clamp(24px,2.4vw,32px)}
.aside-box{border-radius:var(--r-lg)}
.verified::before,.badge::before{border-radius:0;transform:rotate(45deg);width:6px;height:6px}
.badge{border-radius:8px}
.toast{background:var(--ink);color:var(--bg);border-radius:12px;box-shadow:0 18px 40px -20px rgba(0,0,0,.5)}
.palette{background:rgba(20,18,15,.45)}
.pal-box{border-radius:18px}
.ad ins{border-radius:var(--r-md)}

/* home sections */
.home-sec{padding-block:clamp(48px,6vw,88px);border-top:1px solid var(--line)}
.home-sec:first-of-type{border-top:0}
.home-sec .sec-h{align-items:end}
.kicker{display:block;margin:0 0 10px;font:500 11.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink)}
.how{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:h}
@media (min-width:820px){.how{grid-template-columns:repeat(3,minmax(0,1fr))}}
.how li{counter-increment:h;position:relative;padding:22px 22px 24px;border-radius:var(--r-lg);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.how li::before{content:"0" counter(h);display:block;font:500 12px/1 var(--mono);color:var(--accent-ink);margin-bottom:26px}
.how h3{font-size:20px;margin:0 0 6px}
.how p{margin:0;color:var(--ink-2);font-size:15.5px}
.why{display:grid;gap:28px 40px}
@media (min-width:900px){.why{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:start}}
.why-lead{font:400 clamp(26px,3vw,38px)/1.18 var(--display);letter-spacing:-.025em;margin:0}
.why-lead em{font:italic 400 1.08em var(--serif);color:var(--accent-ink)}
.why-list{list-style:none;margin:0;padding:0;display:grid}
.why-list li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;padding:16px 0;border-top:1px solid var(--line)}
.why-list li:last-child{border-bottom:1px solid var(--line)}
.why-list li::before{content:"";width:8px;height:8px;margin-top:9px;background:var(--accent);transform:rotate(45deg)}
.why-list b{display:block;font-weight:650}
.why-list span{color:var(--ink-2);font-size:15.5px}
.fmt-index{display:grid;gap:0;border-top:1px solid var(--line)}
.fmt-index > div{display:grid;gap:10px;padding:18px 0;border-bottom:1px solid var(--line)}
@media (min-width:760px){.fmt-index > div{grid-template-columns:180px minmax(0,1fr);gap:24px;align-items:baseline}}
.fmt-index h3{font-size:17px}
.fmt-index h3 a{text-decoration:none}
.fmt-index h3 a:hover{color:var(--accent-ink)}
.fmt-index p{margin:0;font:500 13px/1.9 var(--mono);letter-spacing:.02em;color:var(--ink-2);word-spacing:.35em}
.home-faq{max-width:820px}
.guides{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--line)}
.guides a{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:16px 2px;border-bottom:1px solid var(--line);text-decoration:none;font:600 clamp(17px,1.6vw,20px)/1.3 var(--display);letter-spacing:-.015em;transition:color .2s ease}
.guides a span{flex:0 0 auto;font:500 11.5px/1 var(--mono);letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase}
@media (hover:hover){.guides a:hover{color:var(--accent-ink)}}

/* footer */
.site-footer{background:var(--surface);background:color-mix(in srgb,var(--beige) 45%,var(--bg));border-top:1px solid var(--line);padding-top:clamp(48px,6vw,80px)}
.foot-top{align-items:flex-end;padding-bottom:40px;border-bottom:1px solid var(--line);margin-bottom:36px}
.foot-top .logo-word{height:34px}
.foot-top .logo-mark{width:34px;height:42px}
.foot-line{font:italic 400 clamp(20px,2vw,26px)/1.25 var(--serif);color:var(--ink);max-width:28ch}
.foot-h{margin:0 0 14px;font-size:11.5px;text-transform:uppercase;color:var(--ink-3)}
.foot-h a{color:inherit;text-decoration:none}
.foot-h a:hover{color:var(--ink)}
.foot-grid{gap:34px 24px}
.foot-grid a{font-size:14.5px;color:var(--ink-2)}
.foot-grid a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent)}
.foot-bottom{border-top:1px solid var(--line);font-size:13px}
.foot-bottom a:hover,.linkbtn:hover{text-decoration:underline;text-decoration-color:var(--accent)}

/* browser surfaces carry the palette too */
html{scrollbar-color:color-mix(in srgb,var(--ink) 28%,transparent) transparent;caret-color:var(--accent)}
.stat-row,.cv-pct,.cv-meta,.sum-rows dd,.cv-count,.prose table td{font-variant-numeric:tabular-nums}
.why .why-lead{margin-top:0}

/* pressed feedback everywhere it's tappable */
.cat-card:active,.grid-list a:active,.guides a:active{transform:scale(.985)}

/* ===== v5.1 revisions ===== */

/* logo: folded-paper mark + outlined wordmark */
.logo-mark{width:36px;height:33px;flex:0 0 auto;transition:transform .28s var(--ease-out)}
.logo-word{height:35px;width:auto;margin-top:0}
.lg-ink{fill:var(--ink)}
.lg-acc{fill:var(--accent-ink)}
.logo-mark .lg-acc{transform:none;transition:none}
@media (hover:hover) and (pointer:fine){.brand:hover .logo-mark{transform:translateY(-1.5px)}.brand:hover .logo-mark .lg-acc{transform:none}}
.brand{gap:10px}
.foot-top .logo-word{height:42px}
.foot-top .logo-mark{width:42px;height:38px}

/* the selection pill: one eased glide, no springs */
.rubber{transition:transform .26s var(--ease-out),width .26s var(--ease-out),height .26s var(--ease-out),opacity .18s ease;will-change:transform;background:var(--ink);background-image:none}
.is-settled{background-image:none!important}
.tabs .rubber,.seg .rubber,.chips .rubber,.cl-steps .rubber,.exam-grid .rubber,.pal-list .rubber{background:var(--ink)}
.tabs button.is-under,.seg button.is-under,.chips button.is-under,.chips button[aria-pressed="true"],.cl-steps button.is-under,.exam-grid button.is-under,.pal-list a.is-under,.pal-list a.is-under small{color:var(--bg)}
.cl-steps button.is-under span{background:color-mix(in srgb,var(--bg) 18%,transparent);color:var(--bg)}
.exam-grid button.is-under small,.exam-grid button.is-under em{color:color-mix(in srgb,var(--bg) 78%,transparent)}
.nav-shell .rubber,.sheet-nav .rubber{background:var(--beige)!important}
.toc-list .rubber{background:var(--surface)}
html:not(.js) .tabs button[aria-selected="true"],html:not(.js) .seg button[aria-pressed="true"]{color:var(--bg)}

/* format tiles in colour: each file family has its own colour and a small motif */
.ftile{background:var(--tc,var(--ink));color:#fff}
.ftile::after{background:rgba(255,255,255,.5)}
.ftile::before{height:30%;left:13%;right:13%;bottom:9%;background:#fff;opacity:.92;-webkit-mask:var(--tg) center/contain no-repeat;mask:var(--tg) center/contain no-repeat}
.ftile:not([class*="c-"]),.ftile.c-x{color:var(--bg)}
.ftile:not([class*="c-"])::after,.ftile.c-x::after{background:var(--accent)}
.ftile:not([class*="c-"])::before,.ftile.c-x::before{left:0;right:0;bottom:0;height:42%;background:var(--bg);-webkit-mask:url(/assets/img/dither.svg) 0 100%/100% 100% no-repeat;mask:url(/assets/img/dither.svg) 0 100%/100% 100% no-repeat}
.ftile.c-x{background:var(--ink-3)}
.cv-stack .ftile.hot{background:var(--tc,var(--accent));color:#fff}
.cv-stack .ftile.hot::after{background:rgba(255,255,255,.5)}
.cv-stack .ftile.hot::before{background:#fff}
.cv-stack .ftile{box-shadow:none;filter:drop-shadow(0 6px 8px rgba(40,28,18,.18))}
.fmt .fmt-bg{fill:var(--tc,var(--ink))}
.fmt .fmt-fold{fill:var(--accent)}
.fmt[class*="c-"] .fmt-fold{fill:#fff;opacity:.5}
.fmt[class*="c-"] .fmt-tx{fill:#fff}
.fmt .fmt-gl{color:#fff;opacity:.92}
.fmt-pair .fmt:last-child .fmt-bg{fill:var(--tc,var(--accent))}
.fmt-pair .fmt:last-child .fmt-fold{fill:var(--ink)}
.fmt-pair .fmt[class*="c-"]:last-child .fmt-fold{fill:#fff}
.fmt-pair .fmt[class*="c-"]:last-child .fmt-tx{fill:#fff}
.fmt-pair .fmt:last-child .fmt-dz{fill:var(--bg)}
.cv-type.is-under .ftile{background:var(--tc,var(--btn-ink));color:#fff}

/* converter: one block per file type, every output listed */
.cv-work{display:block}
.cv-blocks{display:grid;gap:10px}
.cv-block{background:var(--surface);border-radius:var(--r-xl);box-shadow:inset 0 0 0 1px var(--line);padding:clamp(16px,2.4vw,24px);min-width:0}
.cv-bhead{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding-bottom:16px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.cv-btxt b{display:block;font:620 19px/1.2 var(--display);letter-spacing:-.02em}
.cv-btxt small{display:block;font-size:13.5px;color:var(--ink-2);margin-top:2px}
.cv-bto{font-size:13.5px;color:var(--ink-2);white-space:nowrap}
.cv-bto b{display:inline-block;margin-left:6px;padding:6px 10px;border-radius:8px;background:var(--accent-soft);color:var(--accent-ink);font:500 13px/1 var(--mono)}
@media (max-width:560px){.cv-bhead{grid-template-columns:auto minmax(0,1fr)}.cv-bto{grid-column:1/-1}}
.cv-targets{display:grid;gap:16px}
.cv-group{display:grid;gap:8px}
@media (min-width:760px){.cv-group{grid-template-columns:120px minmax(0,1fr);align-items:start;gap:14px}.cv-glabel{padding-top:11px}}
.cv-glabel{font:500 11.5px/1.3 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
.cv-chips{gap:6px}
.cv-chip{min-height:40px;padding:0 14px;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .16s var(--ease-out)}
.cv-chip:active{transform:scale(.96)}
.cv-chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);box-shadow:none}
@media (hover:hover){.cv-chip:not([aria-pressed="true"]):hover{box-shadow:inset 0 0 0 1px var(--accent);background:var(--surface)}}
.cv-blocks.is-locked .cv-chip{pointer-events:none;opacity:.6}
.cv-block .cv-opts{margin-top:18px;padding-top:16px}
.cv-block .cv-note{margin:14px 0 0}
.cv-queue{margin-top:18px}
.cv-bar{padding:4px 4px 12px;gap:12px 16px}
.cv-bar .btns{gap:8px}
.cv-overall{display:flex;align-items:center;gap:14px;margin:0 4px 14px}
.cv-otrack{flex:1;height:8px;border-radius:999px;background:var(--well);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden}
.cv-otrack i{display:block;height:100%;border-radius:999px;background:var(--accent);transform-origin:left;transform:scaleX(0);transition:transform .25s ease}
.cv-overall b{font:500 12.5px/1 var(--mono);color:var(--ink-2);white-space:nowrap;font-variant-numeric:tabular-nums}
.cv-row{grid-template-columns:44px minmax(0,1fr) auto auto auto;gap:12px 14px;padding:12px 12px 14px}
.cv-row .ftile{width:40px;height:48px;padding-top:13px;font-size:10px}
.cv-act{gap:8px}
.cv-prog{height:3px}
.is-indet .cv-prog{opacity:1;transform:none;background:linear-gradient(90deg,transparent,var(--accent),transparent) 0 0/40% 100% no-repeat;animation:busy 1.1s linear infinite}
.cv-pct:empty::before{content:"Working";font-weight:500;color:var(--ink-2)}
@keyframes busy{from{background-position:-70% 0}to{background-position:170% 0}}
@media (max-width:680px){
  .cv-row{grid-template-columns:40px minmax(0,1fr);row-gap:10px}
  .cv-to{grid-column:2}.cv-state{display:none}
  .cv-act{grid-column:1/-1;grid-row:auto;justify-content:flex-end;flex-wrap:wrap}
  .cv-bar .btns{width:100%}.cv-bar .btns .btn{flex:1 1 auto}
}

/* "working…" bar for every tool status line */
.is-busy{position:relative;padding-bottom:12px}
.is-busy::after{content:"";position:absolute;left:0;bottom:2px;width:min(100%,280px);height:4px;border-radius:999px;background:linear-gradient(90deg,transparent,var(--accent),transparent) 0 0/40% 100% no-repeat,var(--well);animation:busy 1.1s linear infinite}
.fi .meta.is-busy{padding-bottom:10px}
.progress > i{transition:width .25s ease}
.progress{height:8px}

/* preview dialog */
.pv{position:fixed;inset:0;z-index:95;display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) 16px max(16px,env(safe-area-inset-bottom,0px));background:rgba(20,18,15,.6);opacity:0;transition:opacity .18s ease}
.pv.open{opacity:1}
.pv-box{display:flex;flex-direction:column;width:min(1040px,100%);max-height:100%;background:var(--surface);border-radius:var(--r-xl);box-shadow:0 40px 100px -30px rgba(0,0,0,.6),0 0 0 1px var(--line);overflow:hidden;transform:translateY(8px) scale(.985);transition:transform .22s var(--ease-out)}
.pv.open .pv-box{transform:none}
.pv-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 12px 12px 20px;border-bottom:1px solid var(--line)}
.pv-title{min-width:0}
.pv-title b{display:block;font-weight:650;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pv-title span{display:block;font:500 12px/1.4 var(--mono);color:var(--ink-2)}
.pv-acts{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.pv-x{width:40px;height:40px;border:0;border-radius:12px;background:transparent;box-shadow:inset 0 0 0 1px var(--line-2);color:var(--ink);font-size:24px;line-height:1;cursor:pointer;transition:background-color .18s ease}
@media (hover:hover){.pv-x:hover{background:var(--surface-2)}}
.pv-body{flex:1;min-height:160px;overflow:auto;display:grid;place-items:center;gap:12px;padding:16px;background:var(--well)}
.pv-body img,.pv-body video,.pv-body canvas{max-width:100%;max-height:calc(100vh - 170px);height:auto;border-radius:8px;background:repeating-conic-gradient(var(--surface-2) 0 25%,var(--surface) 0 50%) 0 0/18px 18px}
.pv-body video{width:auto;background:#000}
.pv-body audio{width:min(520px,100%)}
.pv-body iframe{width:100%;height:calc(100vh - 170px);border:0;border-radius:8px;background:#fff}
.pv-body pre{align-self:start;justify-self:stretch;margin:0;padding:16px 18px;max-width:100%;overflow:auto;white-space:pre-wrap;word-break:break-word;font:500 13px/1.6 var(--mono);color:var(--ink);background:var(--surface);border-radius:8px;box-shadow:inset 0 0 0 1px var(--line)}
.pv-note{margin:0;color:var(--ink-2);font-size:15px;text-align:center;max-width:44ch}
.pv-lock{overflow:hidden}
.pv-btn{margin-left:8px}
.acts .pv-btn{margin-left:0}

/* FAQ: eased open/close (heights are animated in script) */
.faq details{transition:box-shadow .2s ease}
.faq summary{-webkit-user-select:none;user-select:none}
.faq details p{animation:faq-in .28s ease both}
.faq details.is-closing p{animation:none;opacity:.4;transition:opacity .2s ease}
@keyframes faq-in{from{opacity:0;transform:translateY(-4px)}}

/* home: privacy statement across the top, four points in a row */
.why{display:block}
.why-lead{max-width:30ch;margin:0 0 clamp(28px,4vw,44px)}
.why-list{display:grid;grid-template-columns:minmax(0,1fr);gap:0}
.why-list li{grid-template-columns:20px minmax(0,1fr);gap:12px;padding:18px 0}
.why-list b{margin-bottom:4px}
@media (min-width:700px){.why-list{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px}.why-list li:nth-last-child(2){border-bottom:1px solid var(--line)}}
@media (min-width:1040px){.why-list{grid-template-columns:repeat(4,minmax(0,1fr));column-gap:32px}.why-list li{display:block;padding:20px 0 0;border-bottom:0!important}.why-list li::before{display:block;margin:0 0 16px}}

/* spacing: nothing touches, nothing overlaps */
.home-top .lede{max-width:52ch;padding-inline:4px}
.cv-sub{max-width:52ch;text-wrap:balance}
@media (max-width:360px){.head-row .logo-word{display:none}}
.stat-row{row-gap:8px}
.sec-h{gap:12px 24px;margin-bottom:24px}
.sec-h > p{max-width:100%}
.trust{gap:12px 28px;margin-top:26px}
.page-head .fmt-pair{margin-bottom:24px}
.page-top .lede{margin-top:18px}
.btns{gap:10px 10px}
.panel .btns .btn{margin:0}
.tabs,.seg,.chips{gap:4px}
.tabs button,.seg button,.chips button{white-space:nowrap}
.tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;max-width:100%}
.tabs::-webkit-scrollbar{display:none}
.tabs button{flex:0 0 auto}
.fields{gap:20px 16px}
.info{gap:8px 22px;row-gap:10px}
.head-facts{gap:10px}
.fi{gap:12px 14px}
.fi .acts{flex-wrap:wrap;gap:8px}
.badges{gap:8px 8px}
.tool-list a{gap:12px;padding:10px}
.tool-list .fmt{flex:0 0 auto}
.grid-list a{gap:14px;min-width:0}
.grid-list a > span{min-width:0}
.pair-links{gap:8px}
.cats{gap:12px}
.how{gap:14px}
.post-list{gap:14px}
.crumbs ol{row-gap:6px}
.crumbs li{min-width:0}
.crumbs [aria-current]{overflow-wrap:anywhere}
.cv-pickers{gap:10px}
.status{gap:6px 8px}
h1,h2,h3{overflow-wrap:break-word}
@media (max-width:560px){
  .home-top h1{font-size:clamp(36px,11.2vw,48px)}
  .sec-h{display:grid;justify-content:start}
  .panel{padding:18px 16px}
  .tool{padding:8px}
  .btns .btn{flex:1 1 auto}
  .cv-pickers .btn{flex:0 1 auto}
  .head-row{gap:10px}
  .head-actions{gap:6px}
  .foot-top{display:grid;gap:18px}
  .foot-bottom{gap:10px 18px}
  .fmt-index p{word-spacing:.2em;line-height:2}
  .post-list li{padding:22px 20px}
  .cat-card{min-height:148px;padding:16px}
  .pv{padding:8px}.pv-head{padding-left:14px}
}

.fmt-index p{display:flex;flex-wrap:wrap;gap:6px 16px;word-spacing:0;line-height:1.5}
.fmt-index p span{white-space:nowrap}
@media (max-width:560px){.cat-card small{min-height:2.9em}}
.site-footer{margin-top:clamp(32px,4vw,56px)}

/* footer: even rhythm, one line per link */
.foot-grid{gap:36px 24px;align-items:start}
.foot-h{margin:0 0 16px;line-height:1.2;min-height:14px}
.foot-h a{font-size:inherit;color:inherit}
.foot-grid ul{display:grid;gap:10px}
.foot-grid li{margin:0;line-height:1.3}
.foot-grid a{display:inline-block}
@media (min-width:1080px){.foot-grid{grid-template-columns:repeat(7,auto);justify-content:space-between;column-gap:20px}.foot-grid li a{white-space:nowrap}}
.foot-bottom{justify-content:flex-start}
/* tiles:start (generated by tools/tiles.py) */
.c-image{--tc:#178A7C;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='%23fff' d='M3 13.5l7.5-9.5 5 6 3-3.5 10.5 7z'/%3E%3Ccircle cx='23.5' cy='3' r='2.2' fill='%23fff'/%3E%3C/svg%3E")}
.c-video{--tc:#7357D9;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Crect x='5' y='1' width='22' height='12' rx='2.5' fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5'/%3E%3Cpath fill='%23fff' d='M13.5 4l6.5 3-6.5 3z'/%3E%3C/svg%3E")}
.c-audio{--tc:#D2478A;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.2' d='M5 6v2M9.4 3v8M13.8 5v4M18.2 1.5v11M22.6 4v6M27 6v2'/%3E%3C/svg%3E")}
.c-pdf{--tc:#D5402F;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Crect x='4.5' y='1.5' width='9.5' height='11' rx='1.2' fill='%23fff'/%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.7' d='M18 3h9.5M18 7h9.5M18 11h6'/%3E%3C/svg%3E")}
.c-doc{--tc:#2C6BD1;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.9' d='M5 2.2h22M5 7h22M5 11.8h13'/%3E%3C/svg%3E")}
.c-sheet{--tc:#1C8A4F;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.3' d='M4.5 1h23v12h-23zM4.5 5h23M4.5 9h23M12.2 1v12M19.8 1v12'/%3E%3C/svg%3E")}
.c-slides{--tc:#DE6A26;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6.5 12.5V8M12 12.5V2.5M17.5 12.5V6'/%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.6' d='M22.5 4h5M22.5 8h5M22.5 12h3'/%3E%3C/svg%3E")}
.c-data{--tc:#63822B;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.6' d='M11 1C8 1 9.5 5 8 6.2 7.2 6.8 6 6.8 6 7s1.2.2 2 .8C9.5 9 8 13 11 13M21 1c3 0 1.500 4 3 5.200.8.600 2 .600 2 .800s-1.200.200-2 .800c-1.500 1.200 0 5.200-3 5.200'/%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.2' d='M14 7h.01M18 7h.01'/%3E%3C/svg%3E")}
.c-subs{--tc:#34799B;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.4' d='M5 4h8M17 4h10M5 10h13M22 10h5'/%3E%3C/svg%3E")}
.c-archive{--tc:#B07E12;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='%23fff' d='M14 0h2v2.300h-2zM16 2.300h2v2.300h-2zM14 4.600h2v2.300h-2zM16 6.900h2v2.300h-2zM13 10h6v4h-6z'/%3E%3C/svg%3E")}
.c-ebook{--tc:#4F63C4;--tg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 14'%3E%3Cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M16 3C13 1 8 1 5 2v10c3-1 8-1 11 1 3-2 8-2 11-1V2c-3-1-8-1-11 1zM16 3v10'/%3E%3C/svg%3E")}
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