/* مدار · T-148 · تصوّر مخترع للعرض */
@font-face{font-family:"Alexandria";src:url(/vendor/fonts/alexandria-arabic.woff2) format("woff2");font-weight:600 700;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200F}
@font-face{font-family:"Readex Pro";src:url(/vendor/fonts/readexpro-arabic.woff2) format("woff2");font-weight:400 600;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200F}
@font-face{font-family:"Manrope";src:url(/vendor/fonts/manrope-latin.woff2) format("woff2");font-weight:400 600;font-display:swap}

:root{
  --ink:#0B0B0B;--white:#FFFFFF;--cyan:#18C7D9;
  --t1:rgba(255,255,255,.92);--t2:rgba(255,255,255,.72);--t3:rgba(255,255,255,.58);
  --line:rgba(255,255,255,.16);--line2:rgba(255,255,255,.32);
  --ease:cubic-bezier(.16,1,.3,1);
  --ar-h:"Alexandria","Readex Pro","Manrope",system-ui,sans-serif;
  --ar:"Readex Pro","Manrope",system-ui,sans-serif;
  --lat:"Manrope","Readex Pro",system-ui,sans-serif;
  --pad:clamp(1.25rem,4vw,3.5rem);
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--ink);overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--t1);font-family:var(--ar);font-size:1rem;line-height:1.7;overflow-x:clip;-webkit-font-smoothing:antialiased}
a{color:inherit}
.lat{font-family:var(--lat);unicode-bidi:isolate;direction:ltr;display:inline-block}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}

/* المسرح */
.stage{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0;pointer-events:none}
.labels{position:fixed;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.lbl{position:absolute;top:0;left:0;/* rtl-ok: تموضع بالتحويل من نقطة الإسقاط */display:flex;align-items:center;gap:.4rem;padding:.1rem .45rem .1rem .1rem;background:rgba(11,11,11,.82);direction:ltr;/* rtl-ok: الخط يلي نقطة المدينة */font-size:.72rem;line-height:1.4;color:var(--t1);white-space:nowrap;opacity:0;transition:opacity .4s var(--ease);will-change:transform}
.lbl b{font-weight:500}
.lbl .lat{font-size:.62rem;letter-spacing:.14em;color:var(--t3)}
.lbl::before{content:"";width:10px;height:1px;background:var(--cyan)}
.lbl.on{opacity:1}

/* شاشة التحميل */
.pre{display:none}
.js .pre{display:grid;position:fixed;inset:0;z-index:50;background:var(--ink);place-items:center;transition:opacity .9s var(--ease),visibility 0s linear .9s}
.pre.done{opacity:0;visibility:hidden}
.pre__in{display:grid;justify-items:center;gap:.9rem;width:min(18rem,72vw)}
.pre__name{font-family:var(--ar-h);font-weight:700;font-size:1.1rem;line-height:1.4;color:var(--t2)}
.pre__count{font-size:clamp(3.2rem,12vw,5.5rem);font-weight:400;line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--white)}
.pre__count small{font-size:.32em;letter-spacing:0;color:var(--t3);margin-inline-start:.2em;vertical-align:top}
.pre__bar{display:block;width:100%;height:1px;background:var(--line);overflow:hidden}
.pre__bar i{display:block;height:100%;background:var(--cyan);transform:scaleX(0);transform-origin:100% 50%}
.pre__note{font-size:.78rem;color:var(--t3)}

/* الترويسة */
.top{position:fixed;inset-block-start:0;inset-inline:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem var(--pad);pointer-events:none}
.top>*{pointer-events:auto}
.brand{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;font-family:var(--ar-h);font-weight:700;font-size:1.1rem;line-height:1.4}
.brand__mark{width:24px;height:24px;color:var(--white)}
.brand__lat{font-size:.62rem;letter-spacing:.2em;color:var(--t3);font-weight:600}
.tag{margin:0;font-size:.74rem;line-height:1.5;color:var(--t1);border:1px solid var(--line2);border-radius:999px;padding:.32rem .8rem;background:rgba(11,11,11,.72);white-space:nowrap}

/* شريط المشاهد */
.rail{position:fixed;inset-inline-end:var(--pad);inset-block-end:1.6rem;z-index:20;display:flex;gap:1.1rem;transition:opacity .4s var(--ease),visibility 0s linear 0s}
.rail.off{opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility 0s linear .3s}
.rail a{display:flex;align-items:center;gap:.45rem;text-decoration:none;color:var(--t3);font-size:.72rem;line-height:1.4;transition:color .3s var(--ease)}
.rail a span{font-size:.62rem;letter-spacing:.14em}
.rail a b{font-weight:400;opacity:0;transition:opacity .3s var(--ease)}
.rail a::after{content:"";width:14px;height:1px;background:currentColor;transition:transform .4s var(--ease);transform-origin:100% 50%}
.rail a b{display:none}
.rail a.on{color:var(--white)}
.rail a.on b{display:inline;opacity:1}
.rail a.on::after{transform:scaleX(1.8);background:var(--cyan)}
@media (hover:hover) and (pointer:fine){.rail a:hover{color:var(--white)}}

/* المشاهد */
main{position:relative;z-index:2}
.scene{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:6rem var(--pad)}
.scene--hero{align-items:flex-start;padding-block-start:max(22vh,7rem)}
.hero{max-width:52rem}
.kicker{margin:0 0 1.1rem;font-size:.72rem;line-height:1.6;color:var(--t3)}
.kicker .lat,.kicker.lat{letter-spacing:.18em;font-weight:600}
.kicker>.lat:first-child{color:var(--cyan)}
.h1{margin:0;font-family:var(--ar-h);font-weight:700;font-size:clamp(2.3rem,6.6vw,5.6rem);line-height:1.3;color:var(--white)}
.lead{margin:1.4rem 0 2.2rem;max-width:34rem;font-size:clamp(1rem,1.5vw,1.15rem);line-height:1.8;color:var(--t2)}

/* كلمات العنوان: كشف من اليمين */
.w{position:relative;display:inline-block}
.js .w{clip-path:inset(0 0 0 100%)}

/* زر بإطار */
.frame-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:3.25rem;padding:.8rem 2.1rem;text-decoration:none;font-family:var(--ar-h);font-weight:600;font-size:1rem;line-height:1.4;color:var(--white);border:1px solid var(--line);background:rgba(11,11,11,.55);transition:transform .16s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease)}
.frame-btn .c{position:absolute;width:10px;height:10px;border:0 solid var(--white);transition:transform .3s var(--ease)}
.frame-btn .c1{inset-block-start:-1px;inset-inline-start:-1px;border-block-start-width:1.5px;border-inline-start-width:1.5px}
.frame-btn .c2{inset-block-start:-1px;inset-inline-end:-1px;border-block-start-width:1.5px;border-inline-end-width:1.5px}
.frame-btn .c3{inset-block-end:-1px;inset-inline-start:-1px;border-block-end-width:1.5px;border-inline-start-width:1.5px}
.frame-btn .c4{inset-block-end:-1px;inset-inline-end:-1px;border-block-end-width:1.5px;border-inline-end-width:1.5px}
.frame-btn:active{transform:scale(.97)}
@media (hover:hover) and (pointer:fine){
  .frame-btn:hover{border-color:var(--line2)}
  .frame-btn:hover .c1{transform:translate(4px,-4px)}
  .frame-btn:hover .c2{transform:translate(-4px,-4px)}
  .frame-btn:hover .c3{transform:translate(4px,4px)}
  .frame-btn:hover .c4{transform:translate(-4px,4px)}
}
.frame-btn--solid{background:var(--white);color:var(--ink);border-color:var(--white)}
.frame-btn--solid .c{border-color:var(--white)}
@media (hover:hover) and (pointer:fine){.frame-btn--solid:hover{background:var(--white)}}

.hint{position:absolute;inset-block-end:2rem;inset-inline-start:var(--pad);margin:0;display:flex;align-items:center;gap:.7rem;font-size:.74rem;color:var(--t3)}
.hint i{display:block;width:1px;height:2.2rem;background:linear-gradient(var(--white),transparent);transform-origin:50% 0;animation:hint 2.4s var(--ease) infinite}
@keyframes hint{0%{transform:scaleY(0);opacity:1}70%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}

/* البطاقات */
.card{width:min(30rem,100%);padding:1.6rem 1.6rem 1.3rem;border:1px solid var(--line);background:rgba(11,11,11,.78);position:relative}
.card::before{content:"";position:absolute;inset-block-start:-1px;inset-inline-start:-1px;width:2.2rem;height:1.5px;background:var(--cyan)}
.h2{margin:0 0 .9rem;font-family:var(--ar-h);font-weight:700;font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.35;color:var(--white)}
.h2--big{font-size:clamp(1.9rem,4.6vw,3.6rem)}
.body{margin:0 0 1.2rem;font-size:1rem;line-height:1.8;color:var(--t2)}
.body--dim{color:var(--t3);font-size:.92rem}
.sample{margin:.9rem 0 0;font-size:.7rem;line-height:1.5;color:var(--t3)}
.sample::before{content:"";display:inline-block;width:6px;height:6px;border:1px solid var(--t3);border-radius:50%;margin-inline-end:.45rem;vertical-align:middle}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:1.2rem 0 0;border-block:1px solid var(--line)}
.stats div{padding:.85rem 0 .7rem;padding-inline-end:.6rem}
.stats div+div{border-inline-start:1px solid var(--line);padding-inline-start:.8rem}
.stats dt{font-size:.72rem;line-height:1.5;color:var(--t3)}
.stats dd{margin:.2rem 0 0;font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:500;line-height:1.2;color:var(--white);letter-spacing:-.02em;font-variant-numeric:tabular-nums}

.chart{margin:1.2rem 0 0;padding:1rem 0 0;border-block-start:1px solid var(--line)}
.chart figcaption{display:flex;justify-content:space-between;gap:.6rem;flex-wrap:wrap;font-size:.74rem;line-height:1.5;color:var(--t2)}
.chart figcaption .sample{margin:0}
.bars{display:grid;grid-template-columns:repeat(7,1fr);gap:.4rem;align-items:end;height:8.5rem;margin-top:.9rem}
.bar{display:grid;grid-template-rows:1fr auto;height:100%;gap:.35rem;text-align:center}
.bar i{align-self:end;display:block;height:calc(var(--v)*100%);background:rgba(255,255,255,.28);transform:scaleY(.04);transform-origin:50% 100%;transition:transform .9s var(--ease)}
.bar.is-peak i{background:var(--white)}
.bar span{font-size:.6rem;line-height:1.3;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:clip}
.chart.on .bar i{transform:none}
.bar:nth-child(2) i{transition-delay:.05s}.bar:nth-child(3) i{transition-delay:.1s}.bar:nth-child(4) i{transition-delay:.15s}.bar:nth-child(5) i{transition-delay:.2s}.bar:nth-child(6) i{transition-delay:.25s}.bar:nth-child(7) i{transition-delay:.3s}
.chart__note{margin:.8rem 0 0;font-size:.8rem;line-height:1.6;color:var(--t1)}
.chart__note::before{content:"";display:inline-block;width:6px;height:6px;background:var(--cyan);border-radius:50%;margin-inline-end:.5rem;vertical-align:middle}

.log{list-style:none;margin:1.1rem 0 0;padding:0;border-block-start:1px solid var(--line)}
.log li{display:grid;grid-template-columns:auto 1fr auto;gap:.8rem;align-items:start;padding:.8rem 0;border-block-end:1px solid var(--line);opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.log.on li{opacity:1;transform:none}
.log.on li:nth-child(2){transition-delay:.08s}.log.on li:nth-child(3){transition-delay:.16s}
.log time{font-size:.7rem;color:var(--t3);padding-top:.2rem;font-variant-numeric:tabular-nums}
.log p{margin:0;font-size:.86rem;line-height:1.65;color:var(--t1)}
.log em{font-style:normal;font-size:.72rem;line-height:1.5;color:var(--t2);white-space:nowrap;padding-top:.15rem}
.approve{font:inherit;font-family:var(--ar-h);font-weight:600;font-size:.76rem;line-height:1.4;color:var(--ink);background:var(--white);border:1px solid var(--white);padding:.3rem .9rem;cursor:pointer;white-space:nowrap;transition:transform .16s var(--ease),background-color .3s var(--ease),color .3s var(--ease)}
.approve:active{transform:scale(.97)}
.approve[aria-pressed="true"]{background:transparent;color:var(--white);border-color:var(--line2);cursor:default}

.scene--cta{flex-direction:column;justify-content:center;align-items:flex-start}
.cta{max-width:40rem;padding:1.8rem 0}
.cta .body{max-width:32rem}
.cta .frame-btn{margin-top:.8rem}
.foot{position:absolute;inset-block-end:1.4rem;inset-inline:var(--pad);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.72rem;line-height:1.5;color:var(--t3);border-block-start:1px solid var(--line);padding-top:1rem}

/* البديل الثابت (لا WebGL أو حركة مخفّضة) يرسم على canvas ثنائي الأبعاد */
.static .stage{opacity:1}

/* التابلت والجوال */
@media (max-width:900px){
  .scene{align-items:flex-end;padding-block:7rem 3rem}
  .scene{min-height:0;padding-block:62vh 3rem;padding-block:62svh 3rem}
  .scene--hero{min-height:100vh;min-height:100svh;align-items:flex-start;padding-block:max(16vh,6.5rem) 3rem}
  .scene--cta{min-height:100vh;min-height:100svh;align-items:flex-start;justify-content:flex-end;padding-block:45vh 8rem}
  .rail{display:none}
  .card{width:100%;max-width:34rem}
}
@media (max-width:560px){
  .top{padding:.85rem 1rem;align-items:flex-start}
  .brand__lat{display:none}
  .tag{font-size:.66rem;padding:.28rem .65rem}
  .card{padding:1.25rem 1.1rem 1rem}
  .stats dd{font-size:1.25rem}
  .log li{grid-template-columns:1fr auto;gap:.3rem .7rem}
  .log time{grid-column:1/-1;padding:0}
  .bars{height:7rem;gap:.25rem}
  .bar span{font-size:.55rem}
  .hint{display:none}
  .kicker.lat{letter-spacing:.1em;font-size:.64rem}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .w{clip-path:none}
  .hint i{animation:none}
  .bar i{transform:none;transition:none}
  .log li{transform:none;transition:opacity .4s ease}
  .pre{transition:opacity .3s ease,visibility 0s linear .3s}
  .frame-btn,.frame-btn .c{transition:border-color .3s ease,background-color .3s ease}
}