/* Abdallah Eldeeb · knowledge hub pages (guide, map, developers, calculators, steps, glossary, checklists, updates, saved, compare)
   Built on top of site.css: same water background, glass surfaces, gold accents and fonts. Nothing here changes the home page. */
:root{--gold2:#E9CF98;--gold3:#F3DDAE;--goldgrad:linear-gradient(135deg,#F3DDAE,#CDAA70 55%,#B8925A);--card:rgba(255,255,255,.045);--card2:rgba(255,255,255,.075);--hairline:rgba(255,255,255,.1);--sm:cubic-bezier(.22,.9,.24,1);--hdr:calc(84px + env(safe-area-inset-top,0px))}
html[data-l=ar] .l-en,html[data-l=en] .l-ar{display:none!important}
.hub{font-size:16.5px}
:where(.hub) :is(button,input,select,textarea){font:inherit;color:inherit}
:where(.hub) button{background:none;border:0;cursor:pointer;padding:0}
:where(.hub) section{padding:0;margin:0}
.hub main{padding-top:calc(var(--hdr) + 10px);min-height:70vh}
:where(.hub) :is(h1,h2,h3,h4,p){margin:0}
.hub :focus-visible{outline:2px solid var(--gold2);outline-offset:2px;border-radius:10px}
.hw{max-width:1180px;margin-inline:auto;padding-inline:max(16px,env(safe-area-inset-left,0px)) max(16px,env(safe-area-inset-right,0px))}
.hw.narrow{max-width:920px}
.hw.wide{max-width:1520px}
/* glass surface: same recipe as the site panels */
.gl{position:relative;background:linear-gradient(135deg,rgba(255,255,255,.07) 0%,rgba(255,255,255,.025) 42%,rgba(255,255,255,.012) 66%,rgba(255,255,255,.04) 100%),rgba(12,18,24,.42);border:1px solid rgba(255,255,255,.11);box-shadow:inset 0 1px 0 rgba(255,255,255,.09),0 24px 60px -34px rgba(0,0,0,.8);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border-radius:24px}
.gl.solid{background:rgba(10,15,21,.86);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%)}
.gl.lift{transition:transform .7s var(--sm),box-shadow .7s var(--sm),border-color .5s}
@media (hover:hover){.gl.lift:hover{transform:translateY(-3px);border-color:rgba(205,170,112,.32)}}
/* header extras */
.homepill{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--ink-2);transition:background .4s}
.homepill:hover{background:rgba(255,255,255,.08)}
.homepill svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linejoin:round}
.hub .m-menu .m-sub{font-size:13px;color:var(--ink-3);padding:10px 18px 2px}
/* hub navigation rail */
.hubbar{border-radius:999px;padding:6px;margin:6px auto 0;width:max-content;max-width:100%}
.hubnav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;border-radius:999px;scroll-padding-inline:24px}
.hubnav::-webkit-scrollbar{display:none}
.hubnav a{flex:none;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;color:var(--ink-2);font-size:14px;white-space:nowrap;transition:background .5s var(--sm),color .4s,box-shadow .5s var(--sm)}
html[lang=ar] .hubnav a{font-family:var(--f-ar-d)}
.hubnav a:hover{background:rgba(255,255,255,.07);color:var(--ink)}
.hubnav a[aria-current=page]{background:var(--goldgrad);color:#14100A;box-shadow:0 8px 24px -10px rgba(205,170,112,.6)}
.hubnav svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.hubnav .cnt{font:500 11px/1 var(--f);min-width:18px;height:18px;padding:0 5px;border-radius:9px;display:inline-grid;place-items:center;background:rgba(205,170,112,.22);color:var(--gold2)}
.hubnav a[aria-current=page] .cnt{background:rgba(20,16,10,.15);color:#14100A}
/* page hero */
.hhero{padding:38px 0 18px;text-align:center}
.kicker{font:500 12px/1.4 var(--f);letter-spacing:.32em;color:var(--gold);direction:ltr;text-transform:uppercase}
.hhero h1{font-family:var(--f-d);font-weight:500;font-size:clamp(34px,6vw,64px);line-height:1.12;margin-top:14px;color:var(--ink)}
html[lang=ar] .hhero h1{font-family:var(--f-ar-d);font-weight:600;font-size:clamp(30px,5.4vw,54px);line-height:1.35}
.hhero h1 em{font-style:normal;background:var(--goldgrad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{max-width:680px;margin:12px auto 0;color:var(--ink-2);font-size:clamp(15.5px,1.6vw,18px)}
.hbadges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}
.hbadge{display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:4px 14px;border-radius:999px;border:1px solid rgba(205,170,112,.45);color:var(--gold2);font-size:13px;background:rgba(205,170,112,.06)}
.hbadge svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8}
.hbadge.muted{border-color:rgba(255,255,255,.14);color:var(--ink-2);background:rgba(255,255,255,.03)}
/* controls */
.hbtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;font-size:14.5px;font-weight:500;white-space:nowrap;transition:transform .5s var(--sm),background .4s,border-color .4s,box-shadow .5s var(--sm);text-align:center}
.hbtn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.hbtn.gold{background:var(--goldgrad);color:#14100A;box-shadow:0 12px 28px -14px rgba(205,170,112,.8)}
.hbtn.gold:hover{transform:translateY(-1px)}
.hbtn.wa{background:var(--wa);color:#06140c}
.hbtn.ghost{border:1px solid rgba(255,255,255,.16)!important;color:var(--ink)}
.hbtn.ghost:hover{background:rgba(255,255,255,.07);border-color:rgba(205,170,112,.45)!important}
.hbtn.ghost[aria-pressed=true]{border-color:rgba(205,170,112,.7)!important;color:var(--gold2);background:rgba(205,170,112,.1)}
.hbtn.sm{min-height:38px;padding:0 13px;font-size:13.5px}
.hbtn.icon{width:44px;padding:0}
.hbtn[disabled]{opacity:.45;pointer-events:none}
.hfield{display:flex;flex-direction:column;gap:6px;min-width:0}
.hfield>span{font-size:13px;color:var(--ink-3)}
.inp,.sel{width:100%;min-height:46px;border-radius:14px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.045);color:var(--ink);font-size:16px;padding:0 14px;outline:none;transition:border-color .4s var(--sm),background .4s}
.inp:focus,.sel:focus{border-color:rgba(205,170,112,.65);background:rgba(255,255,255,.07)}
.inp::placeholder{color:var(--ink-3)}
.sel{appearance:none;-webkit-appearance:none;padding-inline-end:38px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%23CDAA70' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
html[dir=rtl] .sel{background-position:left 14px center}
.sel option{background:#10161D;color:var(--ink)}
.srch{position:relative;min-width:0}
.srch .inp{padding-inline-start:44px;border-radius:999px}
.srch svg{position:absolute;top:50%;inset-inline-start:16px;width:18px;height:18px;transform:translateY(-50%);stroke:var(--ink-3);fill:none;stroke-width:2;pointer-events:none}
.inp[type=search]::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
/* tabs rail */
.rail{position:sticky;top:calc(var(--hdr) - 4px);z-index:20;border-radius:999px;padding:6px;max-width:920px;margin:14px auto 0}
.rail.wrapit{border-radius:28px}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;border-radius:999px;-webkit-overflow-scrolling:touch}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;min-height:42px;padding:0 16px;border-radius:999px;color:var(--ink-2);font-size:14px;white-space:nowrap;transition:background .5s var(--sm),color .4s,box-shadow .5s var(--sm)}
html[lang=ar] .tab{font-family:var(--f-ar-d)}
.tab:hover{background:rgba(255,255,255,.07)}
.tab[aria-selected=true]{background:var(--goldgrad);color:#14100A;box-shadow:0 8px 24px -10px rgba(205,170,112,.6)}
.tab i{font-style:normal;font:500 11.5px var(--f);opacity:.7;margin-inline-start:6px}
.panel{display:none}
.panel.on{display:block;animation:hin .6s var(--sm) both}
@keyframes hin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ph{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:22px 4px 14px}
.ph h2{font-family:var(--f-d);font-weight:500;font-size:clamp(26px,3.6vw,38px)}
html[lang=ar] .ph h2{font-family:var(--f-ar-d);font-weight:600;font-size:clamp(22px,3vw,30px)}
.ph p{color:var(--ink-3);font-size:14.5px}
/* lists */
.bullet{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.bullet li{position:relative;padding-inline-start:18px;color:var(--ink-2);font-size:15px;line-height:1.65}
.bullet li::before{content:"";position:absolute;inset-inline-start:3px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(205,170,112,.15)}
.hchip{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:2px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.13);font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.03)}
.hchip.gold{border-color:rgba(205,170,112,.5);color:var(--gold2)}
.hchip.warn{border-color:rgba(233,180,96,.55);color:#F1C987;background:rgba(233,180,96,.08)}
.hchip svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.8}
.muted{color:var(--ink-3)}
.small{font-size:13px}
.note2{margin:30px auto 0;max-width:920px;padding:16px 20px;font-size:13.5px;color:var(--ink-3);text-align:center;border-radius:20px}
.hempty{text-align:center;padding:48px 18px;color:var(--ink-2)}
.hempty h3{font-family:var(--f-d);font-weight:500;font-size:26px;color:var(--ink);margin-bottom:6px}
html[lang=ar] .hempty h3{font-family:var(--f-ar-d);font-size:21px}
.hempty .hbtn{margin-top:16px}
/* CTA + footer */
.hcta{margin:46px auto 10px;max-width:920px;text-align:center;padding:34px 22px}
.hcta img{width:84px;height:84px;border-radius:50%;object-fit:cover;object-position:50% 30%;border:2px solid var(--gold)}
.hcta h2{font-family:var(--f-d);font-weight:500;font-size:clamp(26px,3.4vw,36px);margin-top:12px}
html[lang=ar] .hcta h2{font-family:var(--f-ar-d);font-weight:600;font-size:clamp(22px,3vw,30px)}
.hcta p{color:var(--ink-3);margin-top:4px}
.hcta .hbtn{margin-top:18px}
.hfoot{padding:28px 0 calc(40px + env(safe-area-inset-bottom,0px));text-align:center;font-size:12.5px;color:var(--ink-3)}
.hfoot a{color:var(--ink-2);text-decoration:underline;text-decoration-color:rgba(205,170,112,.4);text-underline-offset:3px}
.hfoot p+p{margin-top:6px}
/* toast */
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);z-index:90;padding:12px 18px;border-radius:999px;background:rgba(12,17,23,.94);border:1px solid rgba(205,170,112,.45);color:var(--ink);font-size:14px;opacity:0;pointer-events:none;transition:opacity .4s,transform .5s var(--sm);max-width:calc(100vw - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
/* bottom sheet (mobile details / filters) */
.sheet-bg{position:fixed;inset:0;z-index:70;background:rgba(4,6,9,.55);opacity:0;pointer-events:none;transition:opacity .4s}
.sheet-bg.on{opacity:1;pointer-events:auto}
.hsheet{position:fixed;inset-inline:0;bottom:0;z-index:80;max-height:min(86vh,calc(100dvh - 40px));overflow:auto;overscroll-behavior:contain;border-radius:26px 26px 0 0;padding:10px 18px calc(18px + env(safe-area-inset-bottom,0px));transform:translateY(calc(100% + 60px));visibility:hidden;transition:transform .55s var(--sm),visibility 0s linear .55s;background:rgba(10,15,21,.96);border:1px solid rgba(255,255,255,.12);border-bottom:0}
.hsheet.on{transform:none;visibility:visible;transition:transform .55s var(--sm),visibility 0s}
.hsheet .grab{width:44px;height:5px;border-radius:3px;background:rgba(255,255,255,.25);margin:4px auto 10px}
.hsheet .sh-top{display:flex;align-items:center;justify-content:space-between;gap:10px;position:sticky;top:-10px;padding:6px 0 10px;background:rgba(10,15,21,.96);z-index:2}
.hsheet h3{font-family:var(--f-d);font-weight:500;font-size:24px}
html[lang=ar] .hsheet h3{font-family:var(--f-ar-d);font-size:19px}
@media (min-width:1024px){.hsheet{inset-inline:auto;inset-inline-end:24px;bottom:24px;width:420px;border-radius:26px;border-bottom:1px solid rgba(255,255,255,.12)}}
/* reveal */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .9s var(--sm),transform .9s var(--sm)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.panel.on{animation:none}.gl.lift:hover{transform:none}}
@media (max-width:860px){:root{--hdr:calc(76px + env(safe-area-inset-top,0px))}.hhero{padding-top:26px}.hubbar{width:100%}}
@media (max-width:420px){.hubnav a{padding:0 13px;font-size:13.5px}}
/* print: clean, branded */
.print-head{display:none}
@media print{
 @page{margin:14mm}
 .water,header.top,.hubbar,.rail,.hcta,.hfoot,.noprint,.toast,.hsheet,.sheet-bg,.skip,.wa-float{display:none!important}
 body,.hub{background:#fff!important;color:#111!important}
 .gl{background:#fff!important;border:1px solid #ccc!important;box-shadow:none!important;backdrop-filter:none!important}
 .hub *{color:#111!important}
 .print-head{display:flex!important;justify-content:space-between;border-bottom:2px solid #CDAA70;padding-bottom:8px;margin-bottom:14px;font-size:12px}
 .hub main{padding-top:0}
}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* Wikimedia Commons photos with visible credit */
figure.pc-art{margin:0}
.pc-art.cm::after{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(transparent,rgba(5,12,16,.82));pointer-events:none}
.pc-cr{position:absolute;inset-inline:6px;bottom:5px;z-index:1;font-size:9.5px;line-height:1.3;color:rgba(255,255,255,.78);text-shadow:0 1px 2px #000;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.pc-cr a{color:inherit;text-decoration:underline;text-decoration-color:rgba(255,255,255,.35);text-underline-offset:2px}
.pc-tag{position:absolute;inset-inline-start:8px;top:8px;z-index:1;font-size:10px;padding:3px 8px;border-radius:99px;background:rgba(5,12,16,.6);color:var(--ink-2,#cfd8dc);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.pc-art.cm.broken img{display:none}
.pc-art.cm.broken{background:radial-gradient(120% 90% at 30% 20%,rgba(23,80,95,.7),rgba(15,51,64,.35) 55%,rgba(110,74,43,.35))}
.pc-art.sm .pc-cr{-webkit-line-clamp:1;font-size:8.5px}
.pc-art.wide .pc-cr,.pd-main .pc-cr{font-size:11px}