/* Wordwise — "Riso Duotone": cool riso paper, riso blue + fluorescent pink overprint, a fixed halftone,
   offset "misregistration" shadows. Instrument Serif display, Schibsted Grotesk body, IBM Plex Mono labels. */
:root{
  --bg:#eef1f6;--bg-2:#e3e8f1;--surface:#fbfcfe;--surface-2:#f3f6fb;--shell:rgba(29,63,187,.04);
  --ink:#141d3a;--ink-2:#46506e;--muted:#8a92a8;--line:rgba(20,29,58,.1);--line-2:rgba(20,29,58,.2);
  --blue:#1d3fbb;--fill:#1d3fbb;--pink:#ff4fa3;--blue-ink:#ffffff;--brand:#1d3fbb;
  --ok:#0f9a6a;--warn:#c98200;--danger:#e0354a;
  --dot:rgba(29,63,187,.07);
  --off:4px 4px 0 var(--pink);--off-sm:3px 3px 0 var(--pink);
  --shadow:0 1px 0 rgba(20,29,58,.04),0 22px 44px -28px rgba(20,29,58,.35);
  --hi:inset 0 1px 0 rgba(255,255,255,.9);
  --r:16px;--r-in:12px;
  --ease:cubic-bezier(.32,.72,0,1);
  --font:"Schibsted Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Instrument Serif",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0a1230;--bg-2:#0f1a3f;--surface:#111d47;--surface-2:#162453;--shell:rgba(180,200,255,.05);
  --ink:#eef1ff;--ink-2:#b4bddc;--muted:#7380a8;--line:rgba(180,200,255,.1);--line-2:rgba(180,200,255,.2);
  --blue:#7d95ff;--fill:#2b4bd6;--pink:#ff6fb5;--blue-ink:#0a1230;--brand:#9fb2ff;--ok:#4ade80;--warn:#fbbf24;--danger:#ff7b8a;
  --dot:rgba(255,111,181,.07);--shadow:0 24px 50px -28px rgba(0,0,0,.85);--hi:inset 0 1px 0 rgba(255,255,255,.05);color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0a1230;--bg-2:#0f1a3f;--surface:#111d47;--surface-2:#162453;--shell:rgba(180,200,255,.05);
  --ink:#eef1ff;--ink-2:#b4bddc;--muted:#7380a8;--line:rgba(180,200,255,.1);--line-2:rgba(180,200,255,.2);
  --blue:#7d95ff;--fill:#2b4bd6;--pink:#ff6fb5;--blue-ink:#0a1230;--brand:#9fb2ff;--ok:#4ade80;--warn:#fbbf24;--danger:#ff7b8a;
  --dot:rgba(255,111,181,.07);--shadow:0 24px 50px -28px rgba(0,0,0,.85);--hi:inset 0 1px 0 rgba(255,255,255,.05);color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16.5px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
/* halftone dots, fixed so they never repaint on scroll */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(var(--dot) 1.2px,transparent 1.4px);background-size:14px 14px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 85% 0%,#000,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 85% 0%,#000,transparent 75%)}
a{color:var(--brand)}
img{max-width:100%}
::selection{background:var(--pink);color:#fff}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
main.wrap{padding-top:98px}

/* ---------- printed tab bar ---------- */
.top{position:fixed;top:14px;left:0;right:0;z-index:30;pointer-events:none}
.top .wrap{pointer-events:auto;display:flex;align-items:center;gap:10px;height:58px;max-width:1180px;width:calc(100% - 32px);margin:0 auto;padding:0 8px 0 16px;
  background:color-mix(in srgb,var(--surface) 80%,transparent);backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);
  border:1.5px solid var(--ink);border-radius:14px;box-shadow:var(--off)}
[dir="rtl"] .top .wrap{padding:0 16px 0 8px;box-shadow:-4px 4px 0 var(--pink)}
.logo{font:400 1.6rem/1 var(--display);font-style:italic;color:var(--ink);text-decoration:none;letter-spacing:-.01em;display:inline-flex;align-items:baseline;direction:ltr;font-family:"Instrument Serif",Georgia,serif}
.logo span{color:var(--blue);text-shadow:2px 1px 0 var(--pink)}
.nav{display:flex;gap:2px;margin-inline-start:auto;align-items:center}
.nav a{color:var(--ink-2);text-decoration:none;padding:7px 11px;border-radius:9px;font:500 .8rem var(--mono);transition:background .5s var(--ease),color .5s var(--ease)}
.nav a:hover{background:var(--shell);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--fill);color:#fff}
.tools-bar{display:flex;gap:6px;align-items:center}
.icon-btn{border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:10px;width:40px;height:40px;cursor:pointer;font-size:1rem;flex:none;
  display:grid;place-items:center;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.icon-btn:hover{box-shadow:var(--off-sm);transform:translate(-1px,-1px)}.icon-btn:active{transform:scale(.94)}
.mini-sel{width:auto;min-height:40px;height:40px;padding:0 28px 0 12px;font:500 .78rem var(--mono);background-color:var(--surface);border:1.5px solid var(--line-2);border-radius:10px;
  -webkit-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 15px) 52%,calc(100% - 10px) 52%;background-size:5px 5px;background-repeat:no-repeat;cursor:pointer}
[dir="rtl"] .mini-sel{padding:0 12px 0 28px;background-position:15px 52%,10px 52%}
.i-sun{display:none}
:root[data-theme="dark"] .i-sun{display:inline}:root[data-theme="dark"] .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .i-sun{display:inline}:root:not([data-theme="light"]) .i-moon{display:none}}
.menu-btn{display:none;position:relative}
.menu-btn i{position:absolute;left:11px;right:11px;top:50%;height:1.5px;background:var(--ink);transition:transform .6s var(--ease)}
.menu-btn i:nth-child(1){transform:translateY(-4px)}.menu-btn i:nth-child(2){transform:translateY(4px)}
.menu-open .menu-btn i:nth-child(1){transform:rotate(45deg)}.menu-open .menu-btn i:nth-child(2){transform:rotate(-45deg)}
@media (max-width:1120px){
  .menu-btn{display:grid}
  .tools-bar{margin-inline-start:auto}
  .nav{position:fixed;inset:0;z-index:-1;flex-direction:column;justify-content:center;align-items:stretch;gap:2px;padding:100px 24px 40px;margin:0;
    background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);
    opacity:0;visibility:hidden;transition:opacity .6s var(--ease),visibility .6s}
  .nav a{font:400 2.1rem/1.15 var(--display);font-style:italic;color:var(--ink);padding:10px 4px;border-radius:0;border-bottom:1px dashed var(--line-2);
    transform:translateY(32px);opacity:0;transition:transform .8s var(--ease),opacity .8s var(--ease)}
  .nav a:hover,.nav a[aria-current="page"]{background:none;color:var(--blue);text-shadow:2px 1px 0 var(--pink)}
  .menu-open .top .wrap{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--surface)}
  .menu-open .nav{opacity:1;visibility:visible}
  .menu-open{overflow:hidden}
  .menu-open .nav a{transform:none;opacity:1}
  .menu-open .nav a:nth-child(2){transition-delay:.05s}.menu-open .nav a:nth-child(3){transition-delay:.1s}.menu-open .nav a:nth-child(4){transition-delay:.15s}
  .menu-open .nav a:nth-child(5){transition-delay:.2s}.menu-open .nav a:nth-child(6){transition-delay:.25s}.menu-open .nav a:nth-child(7){transition-delay:.3s}
}
@media (max-width:520px){.top .wrap{gap:5px}.logo{font-size:1.4rem}.mini-sel{padding:0 20px 0 8px;font-size:.72rem;background-position:calc(100% - 12px) 52%,calc(100% - 7px) 52%}
  [dir="rtl"] .mini-sel{padding:0 8px 0 20px;background-position:12px 52%,7px 52%}#lang-sel{max-width:88px}}

/* ---------- type helpers ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--pink);color:#fff;border-radius:6px;padding:5px 11px;
  font:500 .7rem var(--mono);letter-spacing:.12em;text-transform:uppercase;margin-bottom:24px;box-shadow:3px 3px 0 var(--blue);transform:rotate(-1.2deg)}

/* ---------- hero ---------- */
.hero{padding:70px 0 44px;max-width:980px}
.hero h1{font:400 clamp(3rem,8.2vw,6.4rem)/.95 var(--display);letter-spacing:-.02em;margin:0 0 26px}
.hero h1 em{font-style:italic;color:var(--blue);text-shadow:4px 3px 0 var(--pink)}
.hero p{color:var(--ink-2);font-size:clamp(1.05rem,2vw,1.22rem);max-width:58ch;margin:0}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}

/* ---------- printed cards ---------- */
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:18px;margin:8px 0 96px}
.card{grid-column:span 4;display:block;background:var(--surface);border:1.5px solid var(--ink);border-radius:var(--r);text-decoration:none;color:var(--ink);box-shadow:var(--off);
  transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.card>.in{height:100%;border-radius:calc(var(--r) - 2px);padding:24px;display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden}
.card:hover{transform:translate(-3px,-3px);box-shadow:7px 7px 0 var(--pink)}
[dir="rtl"] .card{box-shadow:-4px 4px 0 var(--pink)}[dir="rtl"] .card:hover{transform:translate(3px,-3px);box-shadow:-7px 7px 0 var(--pink)}
.card .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:var(--blue);background:var(--surface-2);border:1.5px solid var(--line-2);margin-bottom:8px}
.card .ico svg{width:24px;height:24px}
.card h3{margin:0;font:400 1.55rem/1.1 var(--display);letter-spacing:-.01em}
.card p{margin:0;color:var(--ink-2);font-size:.95rem}
.card .go{margin-top:auto;padding-top:14px;display:inline-flex;align-items:center;gap:10px;font:500 .76rem var(--mono);color:var(--ink-2);text-transform:uppercase;letter-spacing:.08em}
.card .go b{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--fill);color:#fff;font-weight:400;transition:transform .6s var(--ease)}
.card:hover .go b{transform:translate(3px,-2px) scale(1.06)}
[dir="rtl"] .card .go b{transform:scaleX(-1)}[dir="rtl"] .card:hover .go b{transform:scaleX(-1) translate(3px,-2px) scale(1.06)}
.grid.bento .card:nth-child(1){grid-column:span 7;grid-row:span 2;background:var(--fill);color:#fff;border-color:var(--ink)}
.grid.bento .card:nth-child(1)>.in{padding:36px}
.grid.bento .card:nth-child(1)>.in::after{content:"Aa";position:absolute;inset-inline-end:-6px;bottom:-40px;font:italic 400 14rem/1 var(--display);color:var(--pink);opacity:.55;pointer-events:none;z-index:0}
.grid.bento .card:nth-child(1) h3{font-size:clamp(2.2rem,4vw,3.3rem);max-width:12ch;color:#fff;position:relative;z-index:1}
.grid.bento .card:nth-child(1) p{font-size:1.04rem;max-width:36ch;color:rgba(255,255,255,.85);position:relative;z-index:1}
.grid.bento .card:nth-child(1) .ico{position:relative;z-index:1;width:58px;height:58px;background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.3)}
.grid.bento .card:nth-child(1) .go{color:#fff;position:relative;z-index:1}
.grid.bento .card:nth-child(1) .go b{background:var(--pink);color:#fff}
.grid.bento .card:nth-child(2),.grid.bento .card:nth-child(3){grid-column:span 5}
.grid.bento .card:nth-child(4),.grid.bento .card:nth-child(5),.grid.bento .card:nth-child(6){grid-column:span 4}
.grid.guides .card{grid-column:span 4}
@media (max-width:900px){.grid .card,.grid.bento .card:nth-child(n),.grid.guides .card{grid-column:span 6;grid-row:auto}.grid.bento .card:nth-child(1){grid-column:1/-1}}
@media (max-width:620px){.grid{grid-template-columns:minmax(0,1fr)}.grid .card,.grid.bento .card:nth-child(n),.grid.guides .card{grid-column:1/-1}}
.section-h{font:400 clamp(2rem,4.4vw,3.2rem)/1.02 var(--display);letter-spacing:-.015em;margin:0 0 22px}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;font:600 .96rem var(--font);border:1.5px solid var(--ink);border-radius:12px;
  padding:6px 6px 6px 20px;cursor:pointer;background:var(--fill);color:#fff;min-height:50px;text-decoration:none;box-shadow:var(--off-sm);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.btn::after{content:"↗";width:36px;height:36px;border-radius:8px;display:grid;place-items:center;background:var(--pink);color:#fff;font-weight:400;transition:transform .5s var(--ease)}
.btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--pink)}
.btn:hover::after{transform:translate(2px,-2px) scale(1.06)}
.btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--pink)}
.btn:disabled{opacity:.55;cursor:not-allowed}
[dir="rtl"] .btn{padding:6px 20px 6px 6px;box-shadow:-3px 3px 0 var(--pink)}[dir="rtl"] .btn::after{content:"↖"}
.btn.ghost{background:var(--surface);color:var(--ink);padding:6px 16px}
.btn.ghost::after{display:none}
.btn.sm{min-height:38px;font-size:.85rem;padding:4px 13px}

/* ---------- tool page ---------- */
.crumbs{font:500 .76rem var(--mono);color:var(--muted);padding-top:18px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--ink)}
.tool-head{padding:22px 0 30px;max-width:900px}
.tool-head h1{font:400 clamp(2.4rem,6vw,4rem)/1 var(--display);margin:0 0 14px;letter-spacing:-.015em}
.tool-head p{margin:0;color:var(--ink-2);max-width:64ch;font-size:1.05rem}
.tool{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:22px;align-items:start}
.tool.wide{grid-template-columns:minmax(0,1fr)}
@media (max-width:900px){.tool{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1.5px solid var(--ink);border-radius:var(--r);padding:24px;box-shadow:var(--off);min-width:0}
[dir="rtl"] .panel{box-shadow:-4px 4px 0 var(--pink)}
.panel-h{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:0 0 14px;font:500 .72rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
.fields .full{grid-column:1/-1}
.fields[hidden],.field[hidden]{display:none}
@media (max-width:380px){.fields{grid-template-columns:minmax(0,1fr)}}
label{display:block;font:500 .75rem var(--mono);color:var(--ink-2);margin-bottom:7px}
.field{position:relative;min-width:0}
.field .count{position:absolute;top:0;inset-inline-end:0;font:500 .72rem var(--mono);color:var(--muted)}
input,select,textarea{width:100%;min-width:0;text-overflow:ellipsis;font:500 1rem var(--font);color:var(--ink);background:var(--surface-2);border:1.5px solid var(--line-2);border-radius:10px;padding:12px 13px;min-height:48px;
  transition:border-color .5s var(--ease),box-shadow .5s var(--ease),background .5s var(--ease)}
textarea{min-height:130px;resize:vertical;line-height:1.6;font-size:1rem}
textarea.tall{min-height:300px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:3px 3px 0 var(--pink);background:var(--surface)}
input[type="range"]{padding:0;min-height:0;height:28px;background:none;border:0;accent-color:var(--blue);cursor:pointer}
input[type="range"]:focus{box-shadow:none}
.range-val{float:inline-end;color:var(--muted)}
.check{display:flex;align-items:center;gap:9px;margin:0;padding:10px 12px;border:1.5px solid var(--line-2);border-radius:10px;background:var(--surface-2);cursor:pointer;font:500 .84rem var(--font);color:var(--ink)}
.check input{width:17px;height:17px;min-height:0;padding:0;margin:0;accent-color:var(--blue);flex:none}
.check:has(input:checked){border-color:var(--blue)}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:6px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips button{border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:9px;padding:8px 12px;font:500 .84rem var(--font);cursor:pointer;
  transition:border-color .4s var(--ease),box-shadow .4s var(--ease),transform .4s var(--ease)}
.chips button:hover{border-color:var(--ink);box-shadow:var(--off-sm);transform:translate(-1px,-1px)}
.chips button[aria-pressed="true"]{background:var(--fill);color:#fff;border-color:var(--fill)}
.note{font-size:.82rem;color:var(--muted);margin-top:14px}
.err{color:var(--danger);font-size:.88rem;margin-top:10px;min-height:1em}
.result-main{position:relative;overflow:hidden;border-radius:12px;padding:22px;margin-bottom:12px;background:var(--fill);color:#fff;border:1.5px solid var(--ink)}
.result-main::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgba(255,79,163,.35) 1.2px,transparent 1.5px);background-size:10px 10px;
  -webkit-mask-image:linear-gradient(120deg,transparent 40%,#000);mask-image:linear-gradient(120deg,transparent 40%,#000)}
.result-main>*{position:relative;z-index:1}
.result-main .lbl{font:500 .72rem var(--mono);letter-spacing:.12em;text-transform:uppercase;opacity:.85}
.result-main .big{font:400 clamp(2.8rem,8vw,4.2rem)/1 var(--display);margin-top:4px;font-variant-numeric:tabular-nums}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:8px}
.stat{background:var(--surface-2);border:1.5px solid var(--line);border-radius:10px;padding:11px 13px}
.stat .lbl{font:500 .7rem var(--mono);color:var(--muted)}
.stat .val{font-weight:600;font-size:1.15rem;font-variant-numeric:tabular-nums}
details>summary{cursor:pointer;font-weight:600}
.table-wrap{overflow:auto;margin-top:14px;border:1.5px solid var(--line);border-radius:10px;max-height:420px}
table{width:100%;border-collapse:collapse;font-size:.88rem;font-variant-numeric:tabular-nums}
th,td{padding:9px 12px;text-align:start;border-bottom:1px solid var(--line)}
tbody tr:last-child td{border-bottom:0}
thead th{position:sticky;top:0;background:var(--surface-2);font:500 .7rem var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.checklist{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:6px}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--ink-2);padding:9px 12px;border:1px dashed var(--line-2);border-radius:10px}
.checklist li::before{content:"";flex:none;width:9px;height:9px;border-radius:50%;margin-top:6px;background:var(--muted)}
.checklist li.ok::before{background:var(--ok)}.checklist li.warn::before{background:var(--warn)}.checklist li.bad::before{background:var(--danger)}

/* ---------- text-tool components ---------- */
.limits{display:grid;gap:8px;margin-top:6px}
.limit{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;align-items:center;font-size:.86rem}
.limit .bar{grid-column:1/-1;height:6px;border-radius:6px;background:var(--line);overflow:hidden}
.limit .bar i{display:block;height:100%;background:var(--blue);border-radius:6px;transition:width .5s var(--ease)}
.limit.over .bar i{background:var(--danger)}.limit.over b{color:var(--danger)}
.limit b{font:500 .78rem var(--mono);color:var(--ink-2)}
.out-box{position:relative;border:1.5px solid var(--line-2);border-radius:10px;background:var(--surface-2);padding:14px;min-height:130px;white-space:pre-wrap;word-break:break-word;font-size:1rem;line-height:1.6}
.fancy-list{display:grid;gap:8px;max-height:640px;overflow:auto;padding:2px 4px 6px 2px}
.fancy{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;align-items:center;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface-2);cursor:pointer;
  transition:border-color .4s var(--ease),box-shadow .4s var(--ease),transform .4s var(--ease);text-align:start;font:inherit;color:inherit;width:100%}
.fancy:hover{border-color:var(--ink);box-shadow:var(--off-sm);transform:translate(-1px,-1px)}
.fancy small{grid-column:1/-1;font:500 .68rem var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.fancy span{font-size:1.15rem;overflow-wrap:anywhere;direction:ltr;unicode-bidi:plaintext}
.fancy em{font:500 .72rem var(--mono);font-style:normal;color:var(--blue)}
.diff{border:1.5px solid var(--line-2);border-radius:10px;overflow:auto;max-height:620px;font:400 .86rem/1.55 var(--mono);background:var(--surface-2)}
.diff .row{display:grid;grid-template-columns:3.2em minmax(0,1fr);border-bottom:1px solid var(--line)}
.diff .row:last-child{border-bottom:0}
.diff .n{padding:2px 8px;color:var(--muted);text-align:end;user-select:none;border-inline-end:1px solid var(--line)}
.diff .t{padding:2px 10px;white-space:pre-wrap;word-break:break-word;unicode-bidi:plaintext}
.diff .add{background:color-mix(in srgb,var(--ok) 13%,transparent)}
.diff .del{background:color-mix(in srgb,var(--danger) 12%,transparent)}
.diff .add .n::before{content:"+ "}.diff .del .n::before{content:"− "}
.diff ins{background:color-mix(in srgb,var(--ok) 32%,transparent);text-decoration:none;border-radius:3px}
.diff del{background:color-mix(in srgb,var(--danger) 30%,transparent);text-decoration:line-through;border-radius:3px}
.speak-text{font-size:1.06rem;line-height:1.75}
.speak-text mark{background:color-mix(in srgb,var(--pink) 35%,transparent);color:inherit;border-radius:3px}

/* ---------- article ---------- */
.article{max-width:780px;margin:96px auto 0}
.article h2{font:400 clamp(1.9rem,3.8vw,2.6rem)/1.05 var(--display);margin:1.8em 0 .5em;letter-spacing:-.01em}
.article>h2:first-child{margin-top:0}
.article h3{font:600 1.08rem/1.3 var(--font);margin:1.6em 0 .4em}
.article p,.article li{color:var(--ink-2);font-size:1.04rem}
.article strong{color:var(--ink);font-weight:600}
.article ol,.article ul{padding-inline-start:1.3em}
.article li{margin:.35em 0}
.article code{font:500 .86em var(--mono);background:var(--shell);border:1px solid var(--line);border-radius:5px;padding:1px 5px}
.formula{background:var(--surface);border:1.5px solid var(--ink);border-radius:12px;padding:16px 20px;font:500 .9rem/1.7 var(--mono);overflow-x:auto;color:var(--ink);margin:18px 0;box-shadow:var(--off-sm)}
.example{position:relative;background:var(--surface);border:1.5px dashed var(--blue);border-radius:14px;padding:20px 24px;margin:22px 0}
.example h3{margin-top:0;font:500 .74rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--pink)}
.faq details{border:1.5px solid var(--line-2);border-radius:12px;background:var(--surface);margin:8px 0;padding:0 18px;transition:border-color .5s var(--ease),box-shadow .5s var(--ease)}
.faq details[open]{border-color:var(--ink);box-shadow:var(--off-sm)}
.faq summary{padding:16px 28px 16px 0;color:var(--ink);position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
[dir="rtl"] .faq summary{padding:16px 0 16px 28px}
.faq summary::after{content:"+";position:absolute;inset-inline-end:0;top:9px;font:400 1.7rem var(--display);color:var(--pink);transition:transform .6s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:0}
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;margin:24px 0}
.related .card{grid-column:auto}
.guide h1{font:400 clamp(2.4rem,6vw,3.9rem)/1 var(--display);letter-spacing:-.015em;margin:18px 0 6px}
.article.guide{margin-top:20px}

/* ---------- static pages ---------- */
.page{max-width:780px;margin:0 auto;padding:40px 0}
.page h1{font:400 clamp(2.4rem,6vw,3.8rem)/1 var(--display);letter-spacing:-.015em;margin:0 0 20px}
.page h2{font:400 1.8rem var(--display);margin-top:1.6em}
.page p,.page li{color:var(--ink-2)}

/* ---------- trust strip ---------- */
.strip{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 0}
.strip span{display:inline-flex;align-items:center;gap:8px;font:500 .78rem var(--mono);color:var(--ink);border:1.5px solid var(--line-2);background:var(--surface);border-radius:8px;padding:6px 10px}
.strip span::before{content:"✓";color:var(--pink);font-weight:700}

/* ---------- footer ---------- */
.foot{margin-top:120px;padding:56px 0 40px;color:var(--muted);font-size:.9rem;border-top:1.5px solid var(--ink)}
.foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
@media (max-width:700px){.foot .cols{grid-template-columns:1fr}}
.foot a{color:var(--ink-2);text-decoration:none;display:block;padding:4px 0;transition:color .4s var(--ease)}
.foot a:hover{color:var(--blue)}
.foot h4,.foot .fh{color:var(--ink);margin:0 0 10px;font:500 .72rem var(--mono);letter-spacing:.14em;text-transform:uppercase}
.foot .logo{display:inline-flex;margin-bottom:6px}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);filter:blur(4px);transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;filter:none;transition:none}html{scroll-behavior:auto}}

/* ---------- Arabic ---------- */
[dir="rtl"]{--font:"Noto Kufi Arabic","Schibsted Grotesk",ui-sans-serif,system-ui,Tahoma,sans-serif;--display:"Noto Kufi Arabic","Instrument Serif",Tahoma,serif}
[dir="rtl"] body{line-height:1.85;font-size:15.5px}
[dir="rtl"] .hero h1,[dir="rtl"] .tool-head h1,[dir="rtl"] .guide h1,[dir="rtl"] .page h1{font-weight:700;letter-spacing:0;line-height:1.35;font-size:clamp(2rem,5.4vw,3.6rem)}
[dir="rtl"] .hero h1 em{font-style:normal}
[dir="rtl"] .article h2,[dir="rtl"] .section-h,[dir="rtl"] .card h3,[dir="rtl"] .page h2{font-weight:700;letter-spacing:0;font-size:clamp(1.3rem,2.6vw,1.75rem);line-height:1.4}
[dir="rtl"] .grid.bento .card:nth-child(1) h3{font-size:clamp(1.6rem,3vw,2.2rem)}
[dir="rtl"] .result-main .big{font-weight:700}
[dir="rtl"] .eyebrow,[dir="rtl"] .card .go,[dir="rtl"] .panel-h,[dir="rtl"] .foot h4,.foot .fh,[dir="rtl"] .example h3{letter-spacing:0;text-transform:none}
[dir="rtl"] label,[dir="rtl"] .nav a,[dir="rtl"] .strip span,[dir="rtl"] .crumbs,[dir="rtl"] .stat .lbl,[dir="rtl"] .card .go,[dir="rtl"] .eyebrow,[dir="rtl"] .panel-h,
[dir="rtl"] .foot h4,.foot .fh,[dir="rtl"] .result-main .lbl,[dir="rtl"] .example h3,[dir="rtl"] .field .count,[dir="rtl"] thead th,[dir="rtl"] .mini-sel,[dir="rtl"] .limit b,[dir="rtl"] .fancy small{font-family:var(--font)}
[dir="rtl"] .nav a{font-style:normal}
[dir="rtl"] .formula{direction:ltr;text-align:left}
[dir="rtl"] .grid.bento .card:nth-child(1)>.in::after{content:"أب";font-style:normal;font-size:7rem;bottom:-30px;opacity:.3}
[dir="rtl"] .diff{font-family:var(--font);font-size:.9rem}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media print{.top,.foot,.actions,.article,.crumbs,body::before{display:none}main.wrap{padding-top:0}.panel{box-shadow:none}}

/* reserved ad spaces (3 per page); empty until AdSense is approved */
.ad-slot{display:block;min-height:120px;margin:28px 0;clear:both}
.ad-slot ins{margin:0!important}
@media (min-width:900px){.ad-slot{min-height:100px}}

.foot .fh{font-family:inherit}
.netlist{list-style:none;padding:0;display:grid;gap:12px}.netlist li{padding:14px 16px;border:1px solid var(--line);border-radius:12px}.netlist span{color:var(--ink-2)}.netlist small{color:var(--muted)}

.pbox{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 16px;align-items:center;margin:18px 0 0;padding:16px 18px;border:1px dashed var(--line-2);border-radius:14px;background:var(--surface)}
.pbox p{margin:2px 0 0;color:var(--ink-2)}.pbox-k{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.pbox small{grid-column:1/-1;color:var(--muted);font-size:.76rem}
@media (max-width:600px){.pbox{grid-template-columns:minmax(0,1fr)}.pbox .btn{justify-self:start}}

/* nav-fit: keep top-bar links on one line */
.nav a{white-space:nowrap}
@media (max-width:1320px){.nav a{padding:8px 9px;font-size:.84rem}}

/* nav-fit: same as the mobile menu, used when the links do not fit */
html.nav-tight .menu-btn{display:grid}
html.nav-tight .tools-bar{margin-inline-start:auto}
html.nav-tight .nav{position:fixed;inset:0;z-index:-1;flex-direction:column;justify-content:center;align-items:stretch;gap:2px;padding:100px 24px 40px;margin:0;
    background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);
    opacity:0;visibility:hidden;transition:opacity .6s var(--ease),visibility .6s}
html.nav-tight .nav a{font:400 2.1rem/1.15 var(--display);font-style:italic;color:var(--ink);padding:10px 4px;border-radius:0;border-bottom:1px dashed var(--line-2);
    transform:translateY(32px);opacity:0;transition:transform .8s var(--ease),opacity .8s var(--ease)}
html.nav-tight .nav a:hover,html.nav-tight .nav a[aria-current="page"]{background:none;color:var(--blue);text-shadow:2px 1px 0 var(--pink)}
html.nav-tight .menu-open .top .wrap{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--surface)}
html.nav-tight .menu-open .nav{opacity:1;visibility:visible}
html.nav-tight .menu-open{overflow:hidden}
html.nav-tight .menu-open .nav a{transform:none;opacity:1}
html.nav-tight .menu-open .nav a:nth-child(2){transition-delay:.05s}
html.nav-tight .menu-open .nav a:nth-child(3){transition-delay:.1s}
html.nav-tight .menu-open .nav a:nth-child(4){transition-delay:.15s}
html.nav-tight .menu-open .nav a:nth-child(5){transition-delay:.2s}
html.nav-tight .menu-open .nav a:nth-child(6){transition-delay:.25s}
html.nav-tight .menu-open .nav a:nth-child(7){transition-delay:.3s}