@font-face{font-family:"Khat";src:url(/assets/ch-ar.8c1c5e2e38.woff2) format("woff2");font-weight:500 700;font-display:swap;unicode-range:U+0600-06FF,U+00AB,U+00BB,U+200C-200F}
@font-face{font-family:"Khat";src:url(/assets/ch-lat.18379c4321.woff2) format("woff2");font-weight:500 700;font-display:swap;unicode-range:U+0020-007E,U+00A0,U+00B7,U+2013-2014,U+2018-201D,U+2026,U+2190-2192}
:root{--ink:#153b33;--ink2:#1d4a40;--paper:#f4f2e9;--card:#fffdf7;--line:#cbd3c0;--mute:#4f655b;--acc:#ed7541;--acc-t:#a14420;--wat:#2d6b80;--wat-w:#e2eef0;--band:#153b33;--band2:#0f2f28;--sh:#dce1d2;--ok:#126534;--okw:#e3f0e5;--up:#9a3412;--upw:#fbe8dc;--sys:system-ui,-apple-system,"Segoe UI",Tahoma,"Noto Sans Arabic","Geeza Pro",sans-serif;color-scheme:light}
*,*::before,*::after{box-sizing:border-box;min-width:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 var(--sys)}
h1,h2,h3,.logo-t,.big,.num,.k-n{font-family:"Khat",var(--sys);letter-spacing:0}
h1{font-size:clamp(27px,3.4vw,42px);line-height:1.5;margin:0 0 12px}
h2{font-size:clamp(21px,2.2vw,27px);line-height:1.6;margin:0 0 10px}
h3{font-size:18px;line-height:1.7;margin:0 0 6px}
p{margin:0 0 12px}
a{color:var(--acc-t);text-underline-offset:3px}
a,button,input,select,label{touch-action:manipulation}
:focus-visible{outline:3px solid #bd4d20;outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.skip{position:absolute;inset-inline-start:-9999px;top:8px;background:var(--card);padding:8px 14px;z-index:5;border-radius:6px}
.skip:focus{inset-inline-start:12px}
/* header: static, never overlays content (lesson from recipes v2 review) */
.top{background:var(--band);color:#eef4ee;position:static}
.top-in{display:flex;align-items:center;gap:18px;min-height:64px;padding-block:10px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex-shrink:0}
.logo svg{width:36px;height:36px}
.logo svg rect:first-child{fill:#24574b}
.logo-t{font-size:22px;font-weight:700}.logo-t b{color:var(--acc);font-weight:700}
.nav{display:flex;gap:4px;margin-inline-start:auto;flex-wrap:nowrap}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:5px;color:#dfe9e1;text-decoration:none;font-size:14px;font-weight:600;white-space:nowrap}
.nav a:hover{background:#ffffff14;color:#fff}
.nav a[aria-current=page]{background:var(--acc);color:#1a1a1a}
@media(max-width:760px){.top-in{flex-direction:column;align-items:stretch;gap:6px;padding-block:10px 8px}.logo svg{width:30px;height:30px}.logo-t{font-size:19px}
.nav{margin:0;justify-content:space-between;gap:2px}.nav a{padding:0 8px;font-size:13.5px;min-height:44px}.nav .nh{display:none}}
/* page head */
.crumbs{font-size:14px;color:var(--mute);padding-top:18px}.crumbs a{color:var(--mute)}
.phead{padding:26px 0 18px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:8px 36px;align-items:end;border-bottom:1px solid var(--line);margin-bottom:26px}
.phead .eyebrow{grid-column:1/-1}
.phead .lead{color:var(--mute);margin:0;font-size:16px}
@media(max-width:860px){.phead{grid-template-columns:1fr;padding-top:18px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--acc-t)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--acc)}
.eyebrow.w{color:var(--wat)}.eyebrow.w::before{background:var(--wat)}
/* hero (home) */
.hero{padding:34px 0 10px}
.hero h1 em{font-style:normal;color:var(--acc-t)}
.hero-g{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:center}
.hero .lead{font-size:17px;color:var(--mute);max-width:56ch}
.dates{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0;padding:0;list-style:none}
.dates li{background:var(--card);border:1px solid var(--line);box-shadow:3px 3px 0 var(--sh);border-radius:6px;padding:8px 14px;font-size:14px}
.dates b{font-family:"Khat",var(--sys);font-size:16px}
@media(max-width:860px){.hero-g{grid-template-columns:1fr}.hero{padding-top:22px}}
/* meter visual */
.meter{background:var(--band);background-image:radial-gradient(#c8d8ba30 1px,transparent 1px);background-size:17px 17px;color:#fff;border-radius:8px;padding:22px;box-shadow:6px 6px 0 #c9d2bf}
.meter-cap{font-size:14px;color:#d7e4ce;margin:0 0 14px}
.mrow{display:grid;grid-template-columns:92px 1fr auto;gap:10px;align-items:center;margin:10px 0;font-size:14px}
.mrow .bar{height:14px;border-radius:3px;background:#254e40;overflow:hidden}
.mrow .bar i{display:block;height:100%;width:0;background:var(--acc);border-radius:3px;transition:width .9s cubic-bezier(.2,.7,.2,1)}
.mrow.n .bar i{background:#ffb48c}.mrow.w .bar i{background:#8fc7d6}
.mrow b{font-family:"Khat",var(--sys);font-size:16px;white-space:nowrap}
.meter small{display:block;color:#c7d6c9;font-size:13px;margin-top:12px}
/* cards */
.grid{display:grid;gap:20px}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:860px){.g3,.g2{grid-template-columns:1fr}}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:6px;box-shadow:3px 3px 0 var(--sh);padding:22px;color:inherit;text-decoration:none;transition:transform .18s,box-shadow .18s}
a.card:hover{transform:translateY(-3px);box-shadow:5px 7px 0 var(--sh)}
.tools{counter-reset:t}.tools .card{counter-increment:t}
.tools .card::before{content:counter(t,decimal-leading-zero);display:block;font:700 40px/1.2 "Khat",var(--sys);color:#728367;margin-bottom:12px}
.tools .card:nth-child(2){background:#eef4f3}.tools .card:nth-child(3){background:#faf0e2}
.card p{color:var(--mute);margin:0 0 10px;font-size:15px}
.go{font-weight:700;color:var(--acc-t);font-size:15px}
/* calculator */
.calc-g{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;align-items:start}
@media(max-width:960px){.calc-g{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:3px 3px 0 var(--sh);padding:22px}
.panel h2{font-size:20px;display:flex;align-items:center;gap:10px}
.step{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:5px;background:var(--ink);color:#fff;font:700 15px/1 "Khat",var(--sys)}
.f{margin:0 0 18px}
.f>label,.f>.lb{display:block;font-weight:700;font-size:15px;margin-bottom:6px}
.f small{display:block;font-weight:400;color:var(--mute);font-size:13.5px;line-height:1.7}
.in{display:flex;align-items:center;border:1px solid #7f8e7c;border-radius:6px;background:#fff;box-shadow:3px 3px 0 var(--sh)}
.in:focus-within{border-color:var(--ink)}
.in input{flex:1;border:0;background:transparent;font:700 22px/1.2 "Khat",var(--sys);color:var(--ink);padding:12px 14px;min-height:52px;width:100%;direction:ltr;text-align:right}
.in input:focus{outline:none}
.in .u{padding:0 14px;color:var(--mute);font-size:14px;white-space:nowrap}
select{width:100%;min-height:50px;border:1px solid #7f8e7c;border-radius:6px;background:#fff;color:var(--ink);font:600 15px/1.4 var(--sys);padding:10px 12px;box-shadow:3px 3px 0 var(--sh)}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#e9ecdf;border:1px solid var(--line);border-radius:7px;padding:5px;margin:0;border-width:1px}
.seg legend{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.seg label{position:relative;display:flex;align-items:center;justify-content:center;text-align:center;min-height:44px;border-radius:5px;font-weight:700;font-size:15px;cursor:pointer;color:var(--ink2);padding:4px 8px;line-height:1.4}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg label:has(input:checked){background:var(--ink);color:#fff}
.seg label:has(input:focus-visible){outline:3px solid #bd4d20;outline-offset:2px}
.chk{display:flex;gap:10px;align-items:flex-start;font-weight:600;font-size:15px;cursor:pointer}
.chk input{width:22px;height:22px;margin-top:3px;accent-color:var(--ink);flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 18px;border-radius:6px;border:1px solid var(--ink);background:var(--ink);color:#fff;font:700 15px/1.2 var(--sys);cursor:pointer;text-decoration:none}
.btn.alt{background:var(--card);color:var(--ink)}.btn.acc{background:var(--acc);border-color:var(--acc);color:#1a1a1a}
.btn:hover{filter:brightness(1.08)}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}
.err{color:#9b1c1c;font-size:14px;font-weight:700;min-height:0;margin:6px 0 0}
.err:empty{display:none}
/* result */
.out{background:var(--band);background-image:radial-gradient(#c8d8ba26 1px,transparent 1px);background-size:17px 17px;color:#f3f7f1;border-radius:8px;padding:22px;box-shadow:6px 6px 0 #c9d2bf}
.out.w{background-color:#173f4b}
.out h2{color:#fff;font-size:18px;margin-bottom:4px}
.out .cap{color:#cfdccf;font-size:14px;margin:0 0 14px}
.big{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;font-size:clamp(40px,6vw,56px);font-weight:700;line-height:1.15;color:#fff;margin:4px 0 6px;direction:ltr;justify-content:flex-end}
.big small{font-size:18px;color:#cfdccf;font-weight:600}
.delta{display:inline-flex;gap:6px;align-items:center;border-radius:5px;padding:4px 10px;font-weight:700;font-size:15px;background:#ffb48c;color:#3a1406}
.delta.dn{background:#bfe7c9;color:#0b3a1c}.delta.eq{background:#e1e7d9;color:#153b33}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 4px}
.cmp>div{background:#ffffff10;border:1px solid #ffffff26;border-radius:6px;padding:12px}
.cmp .t{font-size:13px;color:#cfdccf;display:block}
.cmp b{font:700 24px/1.4 "Khat",var(--sys);color:#fff;direction:ltr;display:block;text-align:right}
.cmp .nw{border-color:#ffb48c88;background:#ffb48c1c}
.slabbar{display:flex;height:16px;border-radius:4px;overflow:hidden;background:#254e40;margin:14px 0 6px}
.slabbar i{display:block;height:100%;width:0;transition:width .7s cubic-bezier(.2,.7,.2,1)}
.slabbar i:nth-child(1){background:#9fd3a8}.slabbar i:nth-child(2){background:#ffd27a}.slabbar i:nth-child(3){background:#ffa36e}.slabbar i:nth-child(4){background:#ff7d5c}
.legend{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13px;color:#d7e4ce;margin:0;padding:0;list-style:none}
.legend li::before{content:"";display:inline-block;width:10px;height:10px;border-radius:2px;margin-inline-end:6px;background:#9fd3a8;vertical-align:-1px}
.legend li:nth-child(2)::before{background:#ffd27a}.legend li:nth-child(3)::before{background:#ffa36e}.legend li:nth-child(4)::before{background:#ff7d5c}
/* breakdown list (no horizontal scrolling on mobile: rows wrap) */
.bd{margin:16px 0 0;padding:0;list-style:none;border-top:1px solid #ffffff26}
.bd li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #ffffff1c;font-size:15px}
.bd li span{color:#dfe9df}.bd li b{white-space:nowrap;direction:ltr;font-family:"Khat",var(--sys)}
.bd li.tot{font-size:17px}.bd li.tot span,.bd li.tot b{color:#fff;font-weight:700}
.bd li small{display:block;color:#b9cbbd;font-size:13px}
.bd-h{font-size:15px;color:#fff;margin:18px 0 0}
details.more{margin-top:14px;border-top:1px solid #ffffff26;padding-top:8px}
details.more summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center;color:#fff}
.shr{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.shr .btn{background:#ffffff14;border-color:#ffffff40;color:#fff}
.shr .btn.wa{background:#25d366;border-color:#25d366;color:#08331a}
.shr svg{width:20px;height:20px}
.shr-st{font-size:14px;color:#d7f0dc;min-height:22px;margin:8px 0 0}
.shr-st input{width:100%;margin-top:6px;padding:8px;border-radius:5px;border:0;direction:ltr;font-size:13px}
.note{font-size:13.5px;color:#cbd9cc;margin:14px 0 0;line-height:1.8}
.note b{color:#fff}
/* appliances */
.ap{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr)) 44px;gap:8px;align-items:end;padding:12px 0;border-bottom:1px dashed var(--line)}
.ap .f{margin:0}.ap .in input{font-size:18px;min-height:46px;padding:8px 10px}.ap .in .u{padding:0 8px;font-size:12.5px}
.ap input.nm{width:100%;min-height:46px;border:1px solid #7f8e7c;border-radius:6px;padding:8px 10px;font:600 15px var(--sys);box-shadow:3px 3px 0 var(--sh);background:#fff;color:var(--ink)}
.ap .rm{min-height:46px;width:44px;padding:0;border-radius:6px;border:1px solid var(--line);background:var(--card);color:var(--up);font-size:22px;cursor:pointer}
.ap .lb{font-size:13px;font-weight:700;display:block;margin-bottom:4px}
.ap .sub{grid-column:1/-1;font-size:13.5px;color:var(--mute);margin:0}
@media(max-width:640px){.ap{grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1fr) 44px}.ap .nmf{grid-column:1/4;grid-row:1}.ap .rm{grid-column:4;grid-row:1}.ap [data-l=n]{grid-column:3/5}}
/* prose + tables */
.prose{max-width:820px}.prose h2{margin-top:30px}.prose li{margin-bottom:6px}
.sec{margin:34px 0}
.tbl{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:6px;overflow:hidden;box-shadow:3px 3px 0 var(--sh);margin:10px 0 18px;font-size:15px}
.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid #e2e6da;text-align:start;vertical-align:top;line-height:1.7}
.tbl th{background:#e9ecdf;font-size:14px}
.tbl td.n{white-space:nowrap;font-family:"Khat",var(--sys);font-weight:700}
.tbl caption{caption-side:top;text-align:start;font-weight:700;padding:0 0 6px}
@media(max-width:520px){.tbl{font-size:14px}.tbl th,.tbl td{padding:8px 8px}}
.callout{border-inline-start:4px solid var(--acc);background:#faf0e2;border-radius:0 6px 6px 0;padding:14px 16px;margin:16px 0}
.callout.w{border-color:var(--wat);background:var(--wat-w)}
.disc{display:flex;gap:10px;align-items:flex-start;background:#fbf3df;border:1px solid #e9d6a7;border-radius:6px;padding:12px 14px;font-size:14.5px;margin:14px 0}
.disc svg{width:22px;height:22px;flex-shrink:0;margin-top:3px;stroke:#8a5300;fill:none;stroke-width:2}
.src{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:18px 20px;box-shadow:3px 3px 0 var(--sh)}
.src h2{font-size:19px}.src ol{margin:0;padding-inline-start:22px}.src li{margin:6px 0;font-size:15px;overflow-wrap:anywhere}
.src .vd{font-size:14px;color:var(--mute);margin:10px 0 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:6px;margin:10px 0;padding:0 16px}
.faq summary{cursor:pointer;font-weight:700;min-height:52px;display:flex;align-items:center;line-height:1.6}
.faq details p{color:var(--mute)}
/* footer */
.foot{background:var(--band2);color:#d6e2d8;margin-top:56px;padding:30px 0 34px;font-size:14.5px}
.foot a{color:#fff}
.foot nav{display:flex;flex-wrap:wrap;gap:2px 18px;margin-bottom:12px}
.foot nav a{display:inline-flex;align-items:center;min-height:44px}
.foot p{color:#c3d3c7}
.nyh-net{margin-top:16px;padding-top:14px;border-top:1px solid #ffffff22;display:block;font-size:14px;line-height:2.4}
.nyh-net a{color:#e9f1ea}
/* motion */
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.rise{animation:rise .5s cubic-bezier(.2,.7,.2,1) both}
.rise.d2{animation-delay:.08s}.rise.d3{animation-delay:.16s}
.pulse{animation:pl .5s ease}
@keyframes pl{0%{opacity:.4}100%{opacity:1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
.ad{display:none}
.no-js-only{display:block}.js .no-js-only{display:none}
@media print{.top,.foot,.shr,.ad,.nav{display:none!important}body{background:#fff}.out{box-shadow:none}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h2.h3{font-size:19px;line-height:1.7;margin:0 0 6px}
.tabsbar{max-width:420px;margin:0 0 18px}
.tabsbar [role=tab]{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:0;border-radius:5px;background:transparent;font:700 16px/1.2 var(--sys);color:var(--ink2);cursor:pointer}
.tabsbar [role=tab][aria-selected=true]{background:var(--ink);color:#fff}
.ap-add{margin-top:14px}
#a-form>.f{margin-top:18px}
[hidden]{display:none!important}
bdi.keep,span.keep{white-space:nowrap}
.cmp .t small{display:block;font-size:12.5px;color:#b9cbbb;margin-top:2px}
.nyh-net a{white-space:nowrap}
/* focus ring (r2): visible, high contrast on light and dark surfaces */
.in:focus-within{outline:3px solid #bd4d20;outline-offset:2px;border-color:var(--ink)}
select:focus-visible,.ap input.nm:focus-visible,input[type=checkbox]:focus-visible{outline:3px solid #bd4d20;outline-offset:2px}
.top :focus-visible,.foot :focus-visible,.out :focus-visible{outline-color:#ffb48c}
/* r3: result is stale while an input is invalid (nothing recomputed, URL untouched) */
.out.stale{opacity:.5;transition:opacity .2s}.out.stale .shr,.out.stale .a-go{visibility:hidden}
input[aria-invalid=true]{color:#9b1c1c}.in:has(input[aria-invalid=true]){border-color:#9b1c1c}
.ap .sub.err{color:#9b1c1c;font-weight:700}