:root{--ink:#1d1d1f;--mute:#6e6e73;--mist:#f5f5f7;--hair:#d2d2d7;--dev:#000;--pane:#161617;--line:rgba(255,255,255,.12);--dim:#86868b;--gold:#f2bd4b;--gold2:#e39a2d;--up:#30d158;--down:#ff453a;--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Arabic","Inter","IBM Plex Sans Arabic","Segoe UI",sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font);background:#fff;color:var(--ink);font-size:17px;line-height:1.47;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid #0071e3;outline-offset:3px}

/* bar */
.bar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.78);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.bar-in{max-width:1040px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;column-gap:24px;min-height:48px}
.logo{font-weight:700;font-size:19px;letter-spacing:-.03em;direction:ltr;display:inline-flex;align-items:center;gap:5px}
.logo i{width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold2))}
.menu{display:flex;gap:26px;justify-content:center;font-size:12.5px;color:#424245;white-space:nowrap}
.menu a:hover,.menu a[aria-current]{color:#000}
.langs{display:flex;gap:2px;font-size:11.5px;font-weight:600;background:var(--mist);border-radius:8px;padding:2px}
.langs a{padding:4px 8px;border-radius:6px;color:var(--mute)}
.langs a[aria-current]{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.12)}
@media(max-width:760px){.bar-in{grid-template-columns:1fr auto;row-gap:0}.menu{grid-column:1/-1;grid-row:2;justify-content:flex-start;overflow-x:auto;gap:22px;padding:9px 0 11px;scrollbar-width:none;border-top:1px solid rgba(0,0,0,.06)}.menu::-webkit-scrollbar{display:none}}

/* hero */
.hero{text-align:center;padding:64px 22px 40px;max-width:900px;margin:0 auto}
.hero h1{font-size:17px;font-weight:600;color:var(--gold2);margin-bottom:10px}
.slogan{font-size:clamp(40px,8.4vw,84px);font-weight:700;line-height:1.04;letter-spacing:-.035em;text-wrap:balance}
[dir=rtl] .slogan{letter-spacing:0;line-height:1.28}
.sub{font-size:clamp(19px,2.4vw,24px);color:var(--mute);margin:18px auto 0;max-width:30em;line-height:1.35;text-wrap:balance}
.hero.term .sub{color:var(--ink);font-size:clamp(20px,2.6vw,26px);line-height:1.45}

/* device */
.device{background:var(--dev);color:#f5f5f7;max-width:980px;margin:0 auto 0;border-radius:36px;padding:28px 0 0;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
@media(max-width:1020px){.device{margin:0 12px;border-radius:30px}}
@media(max-width:820px){.device{grid-template-columns:minmax(0,1fr)}}
.device form{padding:0 28px 28px;min-width:0}
.seg{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.seg::-webkit-scrollbar{display:none}
.seg label{flex:none;cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:8px 14px;border-radius:980px;font-size:14px;font-weight:500;color:#d6d6d6;background:var(--pane);border:1px solid transparent;white-space:nowrap;transition:background .2s,color .2s}
.seg input:checked+span{background:#f5f5f7;color:#000}
.seg input:focus-visible+span{outline:2px solid #0071e3;outline-offset:2px}
.seg.sm span{padding:7px 11px;font-size:13px}
.flds{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;margin-top:18px}
.fld{background:var(--pane);border-radius:18px;padding:12px 14px 10px;min-width:0}
.fld[hidden]{display:none}
.fld.wide,.ruler{grid-column:1/-1}
@media(max-width:480px){.flds{grid-template-columns:minmax(0,1fr)}}
.fld label{display:block;font-size:12.5px;color:var(--dim);margin-bottom:4px}
.fld.wide>label{margin-bottom:10px}
.step{display:flex;align-items:center;gap:6px;direction:ltr}
.step input{flex:1;min-width:0;font:inherit;font-size:26px;font-weight:600;letter-spacing:-.02em;color:#fff;background:none;border:0;outline:0;text-align:center;font-variant-numeric:tabular-nums}
.step input::placeholder{color:#48484a}
.step button{flex:none;width:34px;height:34px;border-radius:50%;border:0;background:#2c2c2e;color:#fff;font-size:20px;line-height:1;cursor:pointer;font-family:inherit}
.step button:hover{background:#3a3a3c}
.step button:active{transform:scale(.94)}

/* ruler */
.ruler{margin-top:8px;min-width:0}
.rhint{font-size:12.5px;color:var(--dim);text-align:center;margin-bottom:8px}
.rwin{position:relative;height:78px;border-radius:18px;background:var(--pane);overflow:hidden}
.rwin:before,.rwin:after{content:"";position:absolute;top:0;bottom:0;width:70px;z-index:2;pointer-events:none}
.rwin:before{left:0;background:linear-gradient(90deg,var(--pane),transparent)}
.rwin:after{right:0;background:linear-gradient(270deg,var(--pane),transparent)}
.rscroll{height:100%;overflow-x:scroll;overflow-y:hidden;scrollbar-width:none;cursor:grab;-webkit-overflow-scrolling:touch;outline:0}
.rscroll::-webkit-scrollbar{display:none}
.rscroll.drag{cursor:grabbing}
.rtrack{height:100%;position:relative;margin:0 50%;background-image:linear-gradient(90deg,#f5f5f7 1px,transparent 1px),linear-gradient(90deg,#636366 1px,transparent 1px);background-size:120px 30px,12px 16px;background-repeat:repeat-x;background-position:0 100%,0 100%}
.rtrack span{position:absolute;top:12px;transform:translateX(-50%);font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums}
.needle{position:absolute;left:50%;top:0;bottom:0;width:2px;margin-left:-1px;background:linear-gradient(var(--gold),var(--gold2));z-index:3;border-radius:2px;box-shadow:0 0 14px rgba(242,189,75,.7)}

/* output */
.out{padding:8px 28px 30px;display:flex;flex-direction:column;justify-content:center;min-width:0;border-inline-start:1px solid var(--line)}
@media(max-width:820px){.out{border-inline-start:0;border-top:1px solid var(--line);padding-top:26px}}
.ol{font-size:15px;color:var(--gold);font-weight:500;min-height:1.4em}
.ov{font-size:clamp(56px,11vw,104px);font-weight:700;letter-spacing:-.045em;line-height:1;font-variant-numeric:tabular-nums;text-align:start;margin:4px 0 6px;white-space:nowrap}
[dir=rtl] .ov{text-align:right}
.ov.sm{font-size:clamp(34px,7vw,56px);letter-spacing:-.03em}
.ov.err{font-size:24px;letter-spacing:0;color:var(--down);white-space:normal;line-height:1.3}
.ov.ask{color:var(--dim)}
.ox{font-size:15px;color:var(--dim);min-height:1.4em;font-variant-numeric:tabular-nums}
.viz{margin:16px 0 4px}
.viz:empty{display:none}
.pm{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pm div{border-radius:14px;padding:12px;font-size:22px;font-weight:600;font-variant-numeric:tabular-nums;background:var(--pane)}
.pm .u{color:var(--up)}.pm .d{color:var(--down)}
.bars{display:grid;gap:6px;font-size:13px;font-variant-numeric:tabular-nums}
.bars div{display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:10px;color:var(--dim)}
.bars i{height:8px;border-radius:8px;background:#3a3a3c;min-width:3px}
.bars .on{color:#fff}.bars .on i{background:linear-gradient(90deg,var(--gold),var(--gold2))}
.viz svg{display:block;width:100%;height:auto}
.oline{font-size:19px;font-weight:600;line-height:1.35;color:#f5f5f7;margin-top:10px;text-wrap:balance}
.cta{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.cta[hidden]{display:none}
.cta p{font-size:15px;color:#d6d6d6;margin-bottom:14px}
.cta a,.btn{display:inline-block;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#000;font-weight:600;font-size:17px;padding:13px 26px;border-radius:12px}
.cta a:hover,.btn:hover{filter:brightness(1.08)}
.cta small{display:block;margin-top:14px;font-size:12px;line-height:1.5;color:var(--dim)}

/* bands */
.band{padding:72px 22px}
.band.mist{background:var(--mist)}
.device+.band{padding-top:80px}
.wrap{max-width:980px;margin:0 auto}
.wrap.narrow{max-width:640px}
.wrap.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media(max-width:820px){.wrap.two{grid-template-columns:1fr;gap:48px}.band{padding:56px 20px}}
h2{font-size:clamp(26px,3.6vw,36px);font-weight:700;letter-spacing:-.025em;line-height:1.12;margin-bottom:20px}
[dir=rtl] h2{letter-spacing:0;line-height:1.35}
.tw{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:17px;font-variant-numeric:tabular-nums}
th,td{padding:13px 4px;text-align:left;border-bottom:1px solid var(--hair);white-space:nowrap}
th{font-size:12.5px;font-weight:500;color:var(--mute)}
td:last-child,th:last-child{text-align:right;font-weight:600}
.note{font-size:12.5px;color:var(--mute);margin-top:14px}
.how p{color:#424245;max-width:34em}
.by{margin-top:40px}
.by h2{font-size:21px;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.by .chips{margin-top:0}
.chips a{padding:8px 15px;border-radius:980px;background:var(--mist);font-size:14px;font-weight:500}
.band.mist .chips a{background:#fff}
.chips a:hover{background:var(--ink);color:#fff}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.tile{background:#fff;border-radius:24px;padding:26px 24px 30px;display:flex;flex-direction:column;gap:10px;min-height:170px;transition:transform .25s ease}
.tile:hover{transform:scale(1.015)}
.tile span{font-size:14px;font-weight:600;color:var(--gold2)}
.tile b{font-size:24px;font-weight:700;letter-spacing:-.02em;line-height:1.15}
[dir=rtl] .tile b{letter-spacing:0;line-height:1.4}
.exm{background:#fff;border-radius:24px;padding:26px 24px;font-size:21px;font-weight:600;line-height:1.4;margin-bottom:26px}
.exm span{display:block;font-size:14px;color:var(--gold2);margin-bottom:8px}
.prose p{margin-bottom:18px;font-size:19px;color:#424245}
.prose p:last-child{font-size:14px;color:var(--mute)}

/* foot */
.foot{background:var(--mist);border-top:1px solid var(--hair);padding:28px 22px 40px;font-size:12.5px;color:var(--mute)}
.band.mist+.foot,main>.band.mist:last-child+.foot{border-top:1px solid var(--hair)}
.foot-in{max-width:980px;margin:0 auto}
.foot p{margin-bottom:8px;max-width:60em}
.foot .risk{color:var(--ink);font-weight:600;font-size:14px}
.foot .links{display:flex;flex-wrap:wrap;gap:20px;margin:18px 0 14px;padding-top:16px;border-top:1px solid var(--hair);color:#424245}
.foot .links a:hover{color:#000;text-decoration:underline}

/* load: one orchestrated moment */
@media(prefers-reduced-motion:no-preference){
.hero>*{animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero .slogan{animation-delay:.06s}.hero .sub{animation-delay:.14s}
.device{animation:rise .9s cubic-bezier(.2,.7,.2,1) .22s both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
}