/* ==========================================================================
   .ATHR — site.css · v4 — «رحلة العميل»
   التسويق الرقمي هو الأساس، والأنظمة بارتيشن صغير في الآخر.
   كتابة أصغر + مساحة سلبية أكبر + حركة أقوى. Dark tokens = athr-brand-system §5.4
   الخطوط: Instrument Serif (عناوين إنجليزي) · Readex Pro (اللوجو + الواجهة) · Alexandria (العربي)
   ========================================================================== */

/* ---------- Fonts (كلها محلية) ---------- */
@font-face{font-family:"Instrument Serif";src:url(../fonts/instrument-serif.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Instrument Serif";src:url(../fonts/instrument-serif-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Readex Pro";src:url(../fonts/readex-latin.woff2) format("woff2");font-weight:160 700;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Alexandria";src:url(../fonts/alexandria-arabic.woff2) format("woff2");font-weight:100 900;font-display:swap;
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}

/* ---------- Tokens ---------- */
:root{
  --bg:#111111; --ink:#F7F5F2; --ink-2:#A8A39B; --cap:#76726C;
  --surface:#171717; --surface-2:#1E1E1E; --line:#262626; --line-2:#3A3A3A;
  --accent:#F24A3D; --live:#22C55E;
  --serif:"Instrument Serif","Alexandria",Georgia,serif;
  --ui:"Readex Pro","Alexandria",system-ui,sans-serif;
  --ar:"Alexandria","Readex Pro",system-ui,sans-serif;
  --gut:clamp(24px,6.4vw,112px);
  --container:1280px;
  --anchor:22%; --anchor-v:22svh;
  --sec-pad:clamp(160px,30vh,340px);
  --r:16px;
  --ease:cubic-bezier(.16,1,.3,1);
  --h1:clamp(46px,6.4vw,104px);
  --h2:clamp(38px,4.4vw,70px);
  --h3:clamp(30px,3vw,46px);
}

@media (max-width:860px){
  :root{--sec-pad:clamp(96px,15svh,132px);--h2:clamp(34px,9vw,44px)}
  .journey__head{padding-bottom:36px}
  .content__head{padding-bottom:40px}
  .statement__text{font-size:clamp(32px,8.6vw,40px)}
  .cta{min-height:88svh}
  .cta__title{font-size:clamp(52px,14vw,72px)}
  .systems{padding-top:72px}
  .nav__in{height:68px}
  .btn{min-height:48px;padding:0 22px}
  .btn--lg{min-height:54px}
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{color-scheme:dark;background:var(--bg);-webkit-text-size-adjust:100%;text-size-adjust:100%;scrollbar-color:#3a3a3a #111;scrollbar-width:thin}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui);font-size:15px;font-weight:300;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;caret-color:var(--accent);overflow-x:clip}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:#111}
::-webkit-scrollbar-thumb{background:#3a3a3a;border-radius:8px}
:focus-visible{outline:1.5px solid var(--accent);outline-offset:5px;border-radius:4px}
.wrap{width:100%;max-width:calc(var(--container) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut)}
.skip{position:absolute;left:16px;top:-80px;z-index:700;background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:999px;text-decoration:none}
.skip:focus{top:16px}
.ic{width:16px;height:16px;flex:none}
.ar{font-family:var(--ar);font-weight:300;font-size:15px;line-height:1.95;color:var(--ink-2);letter-spacing:0}
.dm{display:inline-block;width:7px;height:7px;background:var(--accent);transform:rotate(45deg);flex:none}
.eyebrow{font-family:var(--ui);font-size:12px;font-weight:400;letter-spacing:.16em;text-transform:uppercase;color:var(--cap)}

/* grain خفيف جدًا (§10.9) */
.grain{position:fixed;inset:-50%;z-index:300;pointer-events:none;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

/* ---------- Logo / buttons / links ---------- */
.logo{display:inline-flex;align-items:center;min-height:44px;font-family:var(--ui);font-weight:700;font-size:18px;letter-spacing:.02em;color:var(--ink);text-decoration:none;line-height:1}
.logo__dot{color:var(--accent);margin-right:.04em}
.btn{position:relative;display:inline-flex;align-items:center;gap:12px;min-height:50px;padding:0 26px;border-radius:999px;background:var(--ink);color:var(--bg);text-decoration:none;font-family:var(--ui);font-weight:500;font-size:13px;letter-spacing:.02em;line-height:1;white-space:nowrap;overflow:hidden;isolation:isolate;will-change:transform}
.btn::before{content:"";position:absolute;inset:0;background:var(--accent);border-radius:inherit;transform:translateY(101%);transition:transform .6s var(--ease);z-index:-1}
.btn:hover::before{transform:none}
.btn:hover{color:#fff}
.btn>*{transition:transform .5s var(--ease)}
.btn:hover .ic--arrow{transform:translateX(5px)}
.btn--sm{min-height:40px;padding:0 18px;font-size:12px}
.btn--lg{min-height:58px;padding:0 30px;font-size:14px}
.tlink{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:400;font-size:13px;letter-spacing:.02em;text-decoration:none;color:var(--ink);background:linear-gradient(currentColor,currentColor) no-repeat left calc(100% - 11px) / 100% 1px}
.tlink:hover{animation:uline .7s var(--ease)}
.tlink .ic{transition:transform .45s var(--ease)}
.tlink:hover .ic{transform:translate(3px,-3px)}
@keyframes uline{0%{background-size:0 1px}100%{background-size:100% 1px}}
.tag{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;font-size:10.5px;font-weight:400;line-height:1;padding:7px 11px;border-radius:999px;border:1px solid var(--line-2);color:var(--ink-2);letter-spacing:.1em;text-transform:uppercase}
.tag--client{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.tag__dot{width:5px;height:5px;border-radius:50%;background:var(--live)}

/* ---------- Nav ---------- */
.nav{position:fixed;inset-inline:0;top:0;z-index:200;transition:transform .7s var(--ease),background-color .5s}
.nav.is-solid{background:rgba(17,17,17,.72);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.nav.is-hidden{transform:translateY(-100%)}
.nav__in{display:flex;align-items:center;gap:40px;height:80px}
.nav__links{display:flex;gap:34px;margin-left:auto}
.nav__links a{position:relative;text-decoration:none;font-size:12px;letter-spacing:.06em;color:var(--ink-2);min-height:44px;display:inline-flex;align-items:center;transition:color .3s}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:12px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}
@media (max-width:820px){.nav__links{display:none}.nav .btn--sm{margin-left:auto}}

/* ---------- Anchor (§16 — English: from the left, 1/3 container) ---------- */
.hero__anchor,.cta__anchor{position:absolute;top:var(--anchor-v);inset-inline:0;max-width:calc(var(--container) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut);display:flex;align-items:center;gap:14px;height:2px;pointer-events:none;z-index:2}
.anchor-line{display:block;height:1.5px;width:33.333%;background:var(--ink);transform-origin:0 50%}
.anchor-dms{display:flex;gap:8px;transform:translateY(-16px)}
.anchor-dms .dm{width:6px;height:6px}
.sec-anchor{display:block;width:clamp(64px,8vw,120px);height:1.5px;background:var(--ink);margin-bottom:clamp(28px,4vh,40px);transform-origin:0 50%}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column}
.hero__grid{flex:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.62fr);gap:48px clamp(48px,8vw,160px);align-items:start;padding-top:calc(var(--anchor-v) + 36px)}
.hero__copy{padding-top:clamp(8px,2vh,24px)}
.hero__title{margin-top:22px;font-family:var(--serif);font-weight:400;font-size:var(--h1);line-height:.96;letter-spacing:-.02em}
.mask{display:block;overflow:hidden;padding-block:.06em .14em;margin-block:-.06em -.14em}
.ln{display:block}
.hero-word{font-style:italic;color:var(--accent);padding-right:.04em}
.hero__ar{margin-top:clamp(28px,4vh,40px);text-align:left}
.hero__row{margin-top:clamp(36px,6vh,64px);display:flex;flex-wrap:wrap;align-items:center;gap:20px 36px}
.hero__media{position:relative;margin-top:calc(-36px - 1px);aspect-ratio:4/5;border-radius:2px;overflow:hidden;background:var(--surface)}
.hero__media img{width:100%;height:100%;object-fit:cover;transform-origin:50% 40%}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,17,17,0) 55%,rgba(17,17,17,.55));pointer-events:none}
.hero__foot{display:flex;justify-content:space-between;align-items:center;padding-block:28px 32px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cap)}
.hero__cue{position:relative;width:1px;height:44px;background:var(--line);overflow:hidden}
.hero__cue i{position:absolute;inset:0;background:var(--ink);transform:translateY(-100%);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(-100%)}60%{transform:translateY(0)}100%{transform:translateY(100%)}}
@media (max-width:860px){
  .hero__grid{display:flex;flex-direction:column;gap:0;padding-top:calc(var(--anchor-v) + 22px)}
  .hero__title{margin-top:18px}
  .hero__ar{margin-top:22px}
  .hero__row{margin-top:28px;gap:14px 24px}
  .hero__media{flex:1 1 0;min-height:clamp(170px,26svh,300px);margin:32px calc(var(--gut)*-1) 0;aspect-ratio:auto;border-radius:0}
  .hero__media img{position:absolute;inset:0;object-position:50% 78%}
  .hero__media::after{background:linear-gradient(180deg,var(--bg) 0%,rgba(17,17,17,0) 30%,rgba(17,17,17,0) 70%,rgba(17,17,17,.5))}
  .hero__foot{display:none}
}

/* ---------- Sections ---------- */
.sec{padding-block:var(--sec-pad)}
.h2{font-family:var(--serif);font-weight:400;font-size:var(--h2);line-height:1;letter-spacing:-.015em}
.h3{font-family:var(--serif);font-weight:400;font-size:var(--h3);line-height:1.04;letter-spacing:-.01em}
.ln-mask,.ch-mask{padding-block:.06em .16em;margin-block:-.06em -.16em}
.h2 .ch,.h3 .ch{display:inline-block}
.journey__headrow{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 48px}

/* Statement */
.statement__in{display:grid;justify-items:center;text-align:center}
.statement__text{font-family:var(--serif);font-size:clamp(34px,4.6vw,76px);line-height:1.06;letter-spacing:-.015em;max-width:14ch}
.statement__text .w{display:inline-block}
.statement__ar{margin-top:clamp(32px,5vh,48px)}

/* ---------- Journey ---------- */
.journey{position:relative;padding-top:clamp(40px,8vh,96px)}
.journey__head{padding-bottom:clamp(72px,12vh,140px)}
.jr__count{display:none}

/* (موبايل / من غير حركة) — كاروسيل بالسحب: محطة واحدة في الشاشة والجاية باينة على الطرف */
.jr__steps{display:flex;gap:14px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-inline:var(--gut);padding:0 var(--gut) 4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.jr__steps::-webkit-scrollbar{display:none}
.stp{display:grid;align-content:start;gap:22px;flex:0 0 min(84%,440px);scroll-snap-align:start}
.stp:last-child{margin-right:var(--gut)}
.stp__media{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--surface);border-radius:2px}
.stp__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.stp__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,0) 34%,rgba(10,10,10,.66) 58%,rgba(10,10,10,.93) 100%);pointer-events:none;z-index:1}
.stp__n{font-family:var(--ui);font-size:12px;letter-spacing:.16em;color:var(--cap);font-variant-numeric:tabular-nums}
.stp__t{margin-top:12px;font-family:var(--serif);font-weight:400;font-size:clamp(34px,4.4vw,72px);line-height:1;letter-spacing:-.015em}
.stp__text .ar{margin-top:18px;text-align:left}
.stp__outs{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px}
.stp__outs li{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);padding:7px 12px;border:1px solid var(--line-2);border-radius:999px;line-height:1}

/* Motion graphics (§9: خطوط · ماسات · فريمات · دواير) */
.mg{position:absolute;inset:0;width:100%;height:100%;z-index:2;overflow:visible}
/* (من غير non-scaling-stroke: DrawSVG بيحسب الطول بوحدات الـSVG، ولو الخط مش بيتمدّد الرسم بيقف قبل آخره) */
.mg__l,.mg__grid rect,.mg__ticks line{fill:none;stroke:rgba(247,245,242,.7);stroke-width:.85}
.mg__l--dash{stroke-dasharray:3 4}
.mg__l--old{stroke:rgba(247,245,242,.3)}
.mg__l--acc{stroke:var(--accent);stroke-width:1.3}
.mg__acc{fill:var(--accent)}
.mg__tx{font-family:var(--ui);font-size:8.5px;letter-spacing:.2em;fill:rgba(247,245,242,.62)}
.mg__tx--end{text-anchor:end}
.mg__b{fill:rgba(247,245,242,.75)}
.mg__b--l{fill:rgba(247,245,242,.28)}
.mg__b--acc{fill:var(--accent)}
.mg__dots circle{fill:none;stroke:rgba(247,245,242,.65);stroke-width:.85}
.mg__p{fill:var(--ink)}
.mg__grid rect.is-fix{stroke:var(--accent)}
.mg__eq line{stroke:rgba(247,245,242,.8);stroke-width:2;stroke-linecap:round;vector-effect:non-scaling-stroke;transform-box:fill-box;transform-origin:50% 50%}
.mg__prog{stroke:var(--accent);stroke-width:2;vector-effect:non-scaling-stroke;transform-box:fill-box;transform-origin:0 50%}
.mg__orbit{transform-box:view-box;transform-origin:200px 390px}
/* حركة مستمرة للمحطة النشطة */
.stp.is-active .mg__eq line{animation:eq 1.1s ease-in-out infinite alternate}
.stp.is-active .mg__orbit{animation:orbit 40s linear infinite}
.stp.is-active .mg__prog{animation:prog 3.2s var(--ease) infinite}
@keyframes eq{from{transform:scaleY(.25)}to{transform:scaleY(1)}}
@keyframes orbit{to{transform:rotate(360deg)}}
@keyframes prog{0%{transform:scaleX(0)}70%,100%{transform:scaleX(1)}}

/* (كمبيوتر) — مرحلة مثبّتة، المحطات بتتبدّل زي مشاهد فيلم */
.journey.is-pinned .jr__stage{position:relative;height:100svh;overflow:hidden}
.journey.is-pinned .jr__steps{position:absolute;inset:0;display:block;padding:0;max-width:none;margin:0;overflow:visible;scroll-snap-type:none}
.journey.is-pinned .stp{flex:none;margin:0;align-content:stretch;position:absolute;inset:0;max-width:calc(var(--container) + var(--gut)*2);margin-inline:auto;padding:clamp(96px,13svh,130px) var(--gut) clamp(120px,17svh,170px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(48px,8vw,140px);align-items:center;visibility:hidden}
.journey.is-pinned .stp.is-current{visibility:visible}
.journey.is-pinned .stp__media{height:100%;aspect-ratio:auto;max-height:640px;width:auto;justify-self:end;aspect-ratio:4/5;order:2}
.journey.is-pinned .stp__text{order:1;padding-top:clamp(40px,8svh,96px);align-self:start;max-width:440px}
.journey.is-pinned .stp__n{visibility:hidden}
.journey.is-pinned .jr__count{display:flex;align-items:flex-start;gap:10px;position:absolute;z-index:3;left:0;right:0;max-width:calc(var(--container) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut);top:clamp(96px,13svh,130px);font-family:var(--ui);font-size:12px;letter-spacing:.16em;color:var(--cap);pointer-events:none;font-variant-numeric:tabular-nums}
.jr__roll{display:inline-flex;flex-direction:column;height:1.65em;overflow:hidden;color:var(--ink)}
.jr__roll span{display:block;height:1.65em;line-height:1.65em;transition:transform .9s var(--ease);transform:translateY(calc(var(--i,0) * -100%))}

/* Rail — موبايل: ماسات من غير أسماء + تلميح السحب */
.jr__rail{position:relative;display:block;margin:28px var(--gut) 0;padding-bottom:var(--sec-pad)}
.journey:not(.is-pinned) .jr__track{left:0;right:0}
.journey:not(.is-pinned) .jr__marks span{display:none}
.journey:not(.is-pinned) .jr__marks button{min-height:32px}
.jr__swipe{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--cap)}
.jr__swipe b{font-weight:400;color:var(--ink)}
.journey.is-pinned .jr__swipe{display:none}
.journey.is-pinned .jr__rail{margin:0;padding-bottom:0;display:block;position:absolute;z-index:3;left:0;right:0;bottom:clamp(36px,6svh,56px);max-width:calc(var(--container) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut)}
.jr__track{position:absolute;left:var(--gut);right:var(--gut);top:0;height:1px;background:var(--line-2)}
.jr__fill{position:absolute;inset:0;background:var(--ink);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.jr__marks{position:relative;display:flex;justify-content:space-between}
.jr__marks li{position:relative;display:flex;flex-direction:column;align-items:center;width:0}
.jr__marks li:first-child{align-items:flex-start}
.jr__marks li:last-child{align-items:flex-end}
.jr__marks button{all:unset;cursor:pointer;display:flex;flex-direction:column;align-items:inherit;gap:16px;min-height:44px;padding-top:0;position:relative;top:-5px}
.jr__marks i{display:block;width:9px;height:9px;transform:rotate(45deg);background:var(--bg);border:1px solid var(--line-2);transition:background-color .5s var(--ease),border-color .5s var(--ease),transform .6s var(--ease)}
.jr__marks span{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cap);white-space:nowrap;transition:color .4s}
.jr__marks li.is-done i{background:var(--ink);border-color:var(--ink)}
.jr__marks li.is-on i{background:var(--accent);border-color:var(--accent);transform:rotate(45deg) scale(1.25)}
.jr__marks li.is-on span{color:var(--ink)}
.jr__marks button:hover span{color:var(--ink)}
.jr__marks button:focus-visible{outline:none}
.jr__marks button:focus-visible span{outline:1.5px solid var(--accent);outline-offset:4px}

@media (min-width:900px) and (max-height:700px){.journey.is-pinned .stp__t{font-size:clamp(36px,3.6vw,56px)}.journey.is-pinned .stp__outs{margin-top:20px}}

/* ---------- Content gallery: صفين تصاميم (Gemini — استوديو العشرين) عكس بعض ---------- */
.content{overflow:hidden;padding-top:var(--sec-pad)}
.content__head{padding-bottom:clamp(64px,10vh,110px)}
.gal{position:relative}
.gal__stage{display:grid;align-content:center;gap:clamp(14px,2vh,22px);padding-block:8px}
.gal__row{display:flex;gap:clamp(14px,1.4vw,22px);width:max-content;will-change:transform}
.gal__row[data-dir="-1"]{margin-left:-14vw}
.g{position:relative;height:clamp(230px,34svh,360px);aspect-ratio:3/4;border-radius:6px;overflow:hidden;background:var(--surface);flex:none}
.g--wide{aspect-ratio:1433/800}
.g img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.g:hover img{transform:scale(1.04)}
.gal__legend{margin-top:clamp(40px,6vh,64px);padding-bottom:var(--sec-pad);display:flex;flex-wrap:wrap;gap:8px}
/* كمبيوتر: المعرض بيتثبّت والصفوف بتمشي عكس بعض لحد آخرها */
.content.is-pinned .gal__stage{height:100svh;align-content:center}
@media (max-width:899px){.g{height:clamp(200px,30svh,280px)}}
/* من غير حركة: كل التصاميم ظاهرة */
html.motion-off .gal__row{width:auto;margin:0;overflow-x:auto;scroll-snap-type:x mandatory;padding-inline:var(--gut);scrollbar-width:none}
html.motion-off .g{scroll-snap-align:start}

/* ---------- Systems (بارتيشن صغير) ---------- */
.systems{padding-block:clamp(80px,12vh,140px) var(--sec-pad);border-top:1px solid var(--line)}
.systems__bar{display:flex;align-items:center;gap:18px}
.systems__rule{display:block;width:40px;height:1px;background:var(--accent)}
.systems__head{margin-top:clamp(40px,6vh,64px);display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 48px}
.systems__head .h3{max-width:18ch}
.sys{margin-top:clamp(56px,8vh,88px);display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(14px,1.6vw,24px);align-items:start}
.sys{--sys-wave:clamp(40px,5vw,72px)}
.sys__item:nth-child(even){margin-top:var(--sys-wave)}
.sys__item{display:block;text-decoration:none;color:inherit}
.sys__frame{position:relative;display:block;aspect-ratio:4/5;background:var(--surface);border-radius:var(--r);overflow:hidden;transition:background-color .6s var(--ease)}
.sys__frame img{position:absolute;left:20%;top:14%;width:60%;border-radius:10px;box-shadow:0 30px 60px -24px rgba(0,0,0,.85);transition:transform 1s var(--ease)}
.sys__item:hover .sys__frame{background:var(--surface-2)}
.sys__item:hover .sys__frame img{transform:translateY(-4%)}
.sys__cap{display:block;margin-top:14px}
.sys__name{font-size:13px;font-weight:400;letter-spacing:.02em}
@media (max-width:900px){
  .sys{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:var(--gut);margin-inline:calc(var(--gut)*-1);padding:0 var(--gut) 4px;scrollbar-width:none;align-items:flex-start}
  .sys::-webkit-scrollbar{display:none}
  .sys__item{flex:0 0 56%;scroll-snap-align:start}
  .sys{--sys-wave:28px}
  .sys__item:last-child{margin-right:var(--gut)}
}

/* ---------- CTA ---------- */
.cta{position:relative;min-height:100svh;display:flex;flex-direction:column}
.cta__body{padding-top:calc(var(--anchor-v) + 36px);padding-bottom:var(--sec-pad)}
.cta__title{margin-top:22px;font-family:var(--serif);font-weight:400;font-size:clamp(56px,8.4vw,136px);line-height:.94;letter-spacing:-.02em}
.cta__row{margin-top:clamp(48px,8vh,80px)}

/* ---------- Footer ---------- */
.foot{position:relative;overflow:hidden;border-top:1px solid var(--line)}
.foot__giant{display:flex;justify-content:center;align-items:flex-end;font-family:var(--ui);font-weight:700;font-size:clamp(90px,22vw,380px);line-height:.8;letter-spacing:-.06em;padding-top:clamp(56px,10vh,120px);color:var(--ink);white-space:nowrap;overflow:hidden}
.fg{display:inline-block;will-change:transform}
.fg__dot{color:var(--accent)}
.foot__in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 32px;padding-block:26px 32px;font-size:11px;letter-spacing:.08em;color:var(--cap)}
.foot__in .tlink{font-size:12px}

/* ---------- Loader (مرة واحدة في الجلسة) ---------- */
.loader{display:none}
.intro .loader{position:fixed;inset:0;z-index:800;display:grid;place-items:center;background:#0B0B0B}
.loader__mark{display:flex;align-items:baseline;font-family:var(--ui);font-weight:700;font-size:clamp(40px,6vw,88px);letter-spacing:-.03em;line-height:1;overflow:hidden;padding-bottom:.08em}
.loader__dot{color:var(--accent);display:inline-block}
.loader__word{display:inline-block}
.loader__steps{position:absolute;left:50%;bottom:calc(22% + 22px);transform:translateX(-50%);display:flex;gap:clamp(10px,2vw,26px);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--cap);white-space:nowrap}
.loader__steps span{display:inline-block;opacity:0}
.loader__line{position:absolute;left:50%;bottom:22%;width:min(420px,70vw);height:1px;background:#2a2a2a;transform:translateX(-50%);overflow:hidden}
.loader__line::after{content:"";position:absolute;inset:0;background:var(--ink);transform-origin:0 50%;transform:scaleX(var(--lp,0))}
.intro body{overflow:hidden}
@media (max-width:560px){.loader__steps{display:none}}

/* ---------- Cursor ---------- */
.cursor{display:none}
.has-cursor .cursor{display:grid;place-items:center;position:fixed;left:0;top:0;z-index:750;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:var(--ink);pointer-events:none;mix-blend-mode:difference;will-change:transform}
.cursor__label{font-size:10px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--bg);opacity:0;transform:scale(.4)}
.has-cursor,.has-cursor a,.has-cursor button,.has-cursor [data-cursor]{cursor:none}

/* ---------- Case study ---------- */
.case-hero__grid{flex:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px clamp(40px,6vw,120px);align-items:start;padding-top:calc(var(--anchor-v) + 40px);padding-bottom:clamp(80px,12vh,140px)}
.back{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:12px;letter-spacing:.06em;color:var(--ink-2);text-decoration:none;margin-bottom:14px;transition:color .3s}
.back:hover{color:var(--ink)}
.back .ic{transition:transform .45s var(--ease)}
.back:hover .ic{transform:translateX(-5px)}
.case-title{font-family:var(--serif);font-weight:400;font-size:clamp(52px,7vw,112px);line-height:.96;letter-spacing:-.02em}
.case-sub{margin-top:24px;font-size:clamp(16px,1.3vw,19px);color:var(--ink-2);max-width:28ch;line-height:1.5}
.case-meta{margin-top:44px;display:flex;flex-wrap:wrap;gap:12px 36px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--cap)}
.case-meta b{display:block;color:var(--ink);font-weight:400;font-size:13px;letter-spacing:.02em;text-transform:none;margin-top:6px}
.case-hero__media{display:flex;justify-content:center}
.phone{display:block;overflow:hidden;background:#fff;box-shadow:0 40px 80px -30px rgba(0,0,0,.85)}
.phone img{width:100%;height:auto}
.phone--solo{width:min(320px,100%);aspect-ratio:860/1720;border-radius:30px}
.case-row{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:40px clamp(40px,7vw,120px);align-items:end}
.case-when{font-size:11px;color:var(--cap);letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px}
.case-row .ar{text-align:right}
.screens{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,3vw,56px);padding:clamp(40px,6vw,96px);background:var(--surface);border-radius:var(--r)}
.screens .phone{width:100%;max-width:none;aspect-ratio:860/1720;border-radius:clamp(16px,2vw,30px)}
@media (max-width:900px){.case-hero__grid,.case-row{grid-template-columns:1fr}.case-hero__media{justify-content:flex-start}.screens{grid-template-columns:repeat(3,minmax(150px,1fr));overflow-x:auto}}

/* ---------- Motion initial states (+ failsafe في site.js) ---------- */
.js .hero .ln,.js .cta__title .ln{transform:translateY(110%)}
.js .hero .anchor-line,.js .cta .anchor-line{transform:scaleX(0)}
.js .hero .anchor-dms .dm,.js .cta .anchor-dms .dm{opacity:0}
.js [data-hero-fade]{opacity:0}
.js .hero__media{clip-path:inset(0 0 100% 0)}
.js .nav{opacity:0}
html.motion-off .hero .ln,html.motion-off .cta__title .ln{transform:none}
html.motion-off .anchor-line{transform:none}
html.motion-off .anchor-dms .dm,html.motion-off [data-hero-fade],html.motion-off .nav{opacity:1}
html.motion-off .hero__media{clip-path:none}
html.motion-off .loader{display:none!important}

/* ---------- Tweak panel ---------- */
.tweak{position:fixed;right:16px;bottom:16px;z-index:900;width:280px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:var(--r);padding:18px;font-size:12px;cursor:auto}
.tweak *{cursor:auto}
.tweak h4{margin:0 0 12px;font-size:13px}
.tweak label{display:grid;grid-template-columns:1fr auto;gap:4px 8px;margin-bottom:10px}
.tweak input[type=range]{grid-column:1/-1;accent-color:var(--accent)}
.tweak output{color:var(--cap)}
.tweak button{width:100%;min-height:40px;border:0;border-radius:999px;background:var(--ink);color:var(--bg);font:inherit;font-weight:500}
.tweak pre{white-space:pre-wrap;font-size:11px;background:var(--bg);padding:8px;border-radius:8px;margin:10px 0 0;display:none}

/* ---------- Page transitions ---------- */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .4s var(--ease) both}
::view-transition-new(root){animation:vt-in .9s var(--ease) both}
::view-transition-group(lc-shot){animation-duration:.9s;animation-timing-function:var(--ease)}
@keyframes vt-out{to{opacity:0;transform:scale(.97)}}
@keyframes vt-in{from{clip-path:inset(100% 0 0 0)}to{clip-path:inset(0)}}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .grain{display:none}
  .js .hero .ln,.js .cta__title .ln{transform:none}
  .js .anchor-line{transform:none}
  .js .anchor-dms .dm,.js [data-hero-fade],.js .nav{opacity:1}
  .js .hero__media{clip-path:none}
  .intro .loader{display:none}
  .gal__row{transform:none!important;width:auto;margin:0;overflow-x:auto;padding-inline:var(--gut)}
  ::view-transition-old(root),::view-transition-new(root){animation:none}
}

/* ==========================================================================
   v4.3 — غنى بصري: تيكستر · نور · خطوط أعمدة · شرايط كلام · تفاصيل · فراغ أقل
   ========================================================================== */
:root{--sec-pad:clamp(104px,16vh,190px)}
@media (max-width:860px){:root{--sec-pad:clamp(72px,11svh,100px)}}
body{background:transparent}

/* طبقة الجو (ثابتة ورا كل حاجة): حجر + نور بيتحرك ببطء + خطوط أعمدة */
.atmo{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.atmo__tex{position:absolute;inset:-8% -2%;background:url(../img/tex/stone.webp) center/cover no-repeat;opacity:.3;filter:grayscale(.35) brightness(.72);transform:translate3d(0,var(--ty,0px),0) scale(1.06);will-change:transform}
.atmo__tex::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 95% at 50% 35%,transparent 25%,#111 82%)}
.atmo__glow{position:absolute;inset:-20%;background:radial-gradient(38% 32% at 16% 10%,rgba(247,245,242,.075),transparent 70%),radial-gradient(34% 30% at 86% 82%,rgba(242,74,61,.065),transparent 70%);animation:glow 26s ease-in-out infinite alternate}
@keyframes glow{to{transform:translate3d(5%,-4%,0) scale(1.1)}}
.atmo__grid{position:absolute;top:0;bottom:0;left:50%;width:min(100%,calc(var(--container) + var(--gut)*2));transform:translateX(-50%);padding-inline:var(--gut);display:flex;justify-content:space-between}
.atmo__grid i{width:1px;height:100%;background:linear-gradient(180deg,transparent,rgba(247,245,242,.05) 18%,rgba(247,245,242,.05) 82%,transparent)}

/* شريط التقدّم */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:260;pointer-events:none}
.progress i{display:block;height:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(var(--p,0))}

/* لابل الأقسام: (02) — Seven stations */
.shead{display:flex;align-items:center;gap:18px;margin-bottom:clamp(24px,3.5vh,36px)}
.shead .sec-anchor{margin:0}
.slabel{display:flex;gap:10px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--cap);white-space:nowrap}
.slabel span:first-child{color:var(--accent)}
.slabel--c{justify-content:center;margin-bottom:clamp(28px,4vh,44px)}

/* علامات القص على الصور */
.ticks{position:absolute;inset:12px;pointer-events:none;z-index:3}
.ticks i{position:absolute;width:12px;height:12px;border:0 solid rgba(247,245,242,.6)}
.ticks i:nth-child(1){top:0;left:0;border-top-width:1px;border-left-width:1px}
.ticks i:nth-child(2){top:0;right:0;border-top-width:1px;border-right-width:1px}
.ticks i:nth-child(3){bottom:0;left:0;border-bottom-width:1px;border-left-width:1px}
.ticks i:nth-child(4){bottom:0;right:0;border-bottom-width:1px;border-right-width:1px}

/* الهيرو: الصورة بتميل مع الماوس + ماسات طايرة + كابشن */
.hero__side{position:relative;margin-top:calc(-36px - 1px);perspective:1200px}
.hero__media{margin-top:0;will-change:transform}
.floaters i{position:absolute;width:7px;height:7px}
.floaters i:nth-child(1){left:-30px;top:16%}
.floaters i:nth-child(2){right:-24px;top:48%;width:5px;height:5px;background:var(--ink)}
.floaters i:nth-child(3){left:14%;top:calc(100% + 2px);width:6px;height:6px;background:transparent;border:1px solid rgba(247,245,242,.7)}
.fig{display:flex;justify-content:space-between;gap:16px;margin-top:18px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cap)}
.fig span:first-child{color:var(--ink)}
.hero__foot b{font-weight:400;color:var(--ink);font-variant-numeric:tabular-nums}

/* شرايط كلام بتتحرك (بتسرع وتعكس مع السكرول) */
.marq{position:relative;overflow:hidden;border-block:1px solid var(--line);padding-block:clamp(18px,3vh,30px);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marq__track{display:flex;width:max-content;will-change:transform}
.marq__row{display:flex;align-items:center;gap:clamp(22px,2.6vw,44px);padding-right:clamp(22px,2.6vw,44px);font-family:var(--serif);font-style:italic;font-size:clamp(44px,7vw,112px);line-height:1.04;letter-spacing:-.02em;white-space:nowrap;color:var(--ink)}
.marq__row .m{color:#45423e}
.marq__row .dm{width:10px;height:10px}
.marq[data-dir="-1"] .marq__row{font-style:normal;font-size:clamp(34px,5vw,78px);color:#5a5752}
.marq[data-dir="-1"] .marq__row .m{color:var(--ink)}
.marq[data-dir="-1"] .marq__row .dm{background:var(--ink-2);width:7px;height:7px}

/* الجملة: باند خرسانة + خط بينزل للرحلة */
.statement{position:relative;isolation:isolate}
.statement::before{content:"";position:absolute;inset:0;z-index:-1;background:url(../img/tex/concrete.webp) center/cover;opacity:.22;filter:grayscale(.45);-webkit-mask-image:linear-gradient(180deg,transparent,#000 22%,#000 78%,transparent);mask-image:linear-gradient(180deg,transparent,#000 22%,#000 78%,transparent)}
.connector{position:relative;display:block;width:1px;height:clamp(60px,10vh,110px);margin-top:clamp(36px,6vh,60px);background:var(--line-2);overflow:hidden}
.connector i{position:absolute;inset:0;background:var(--accent);transform-origin:50% 0;transform:scaleY(var(--p,0))}

/* أرقام ضخمة باهتة */
.journey__head{position:relative}
.ghost{position:absolute;right:var(--gut);top:-.2em;font-family:var(--serif);font-size:clamp(150px,24vw,400px);line-height:.8;letter-spacing:-.04em;color:rgba(247,245,242,.04);pointer-events:none;user-select:none}
.jr__ghost{display:none}
.journey.is-pinned .jr__ghost{display:block;position:absolute;left:0;right:0;bottom:clamp(84px,13svh,140px);z-index:0;max-width:calc(var(--container) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut);pointer-events:none}
.jr__groll{display:inline-flex;flex-direction:column;height:.84em;overflow:hidden;font-family:var(--serif);font-size:clamp(200px,24vw,380px);line-height:.84;letter-spacing:-.04em;color:rgba(247,245,242,.045)}
.jr__groll span{display:block;height:.84em;transition:transform 1.1s var(--ease);transform:translateY(calc(var(--i,0) * -100%))}
.journey.is-pinned .stp{z-index:1}
.journey.is-pinned .jr__stage{background:radial-gradient(42% 58% at 72% 48%,rgba(247,245,242,.06),transparent 72%)}

/* المعرض: نور خفيف ورا الصفوف + اسم التصميم في الهوفر */
.gal{isolation:isolate}
.gal::before{content:"";position:absolute;inset:-12% 0;z-index:-1;background:radial-gradient(55% 50% at 50% 50%,rgba(247,245,242,.055),transparent 70%)}
.g::after{content:attr(data-name);position:absolute;left:10px;bottom:10px;padding:6px 10px;border-radius:999px;background:rgba(17,17,17,.78);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:10.5px;letter-spacing:.08em;color:var(--ink);opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .5s var(--ease);pointer-events:none}
.g:hover::after{opacity:1;transform:none}

/* النهاية: خرسانة + شعاع نور + غبار */
.cta{overflow:hidden;isolation:isolate}
.cta::before{content:"";position:absolute;inset:0;z-index:-2;background:url(../img/tex/concrete.webp) center/cover;opacity:.18;filter:grayscale(.45);-webkit-mask-image:linear-gradient(180deg,transparent,#000 35%);mask-image:linear-gradient(180deg,transparent,#000 35%)}
.cta__beam{position:absolute;z-index:-1;top:-25%;right:6%;width:48vw;height:150%;background:linear-gradient(180deg,rgba(247,245,242,.11),rgba(247,245,242,.025) 55%,transparent);clip-path:polygon(40% 0,60% 0,100% 100%,0 100%);transform:rotate(-18deg);transform-origin:50% 0;filter:blur(16px);pointer-events:none;animation:beam 10s ease-in-out infinite alternate}
@keyframes beam{to{opacity:.55;transform:rotate(-13deg)}}
.dust{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}

/* الفوتر */
.foot{background:linear-gradient(180deg,transparent,rgba(0,0,0,.4))}
.foot__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-block:clamp(56px,9vh,96px) clamp(16px,3vh,32px)}
.foot__col p{font-size:13px;color:var(--ink-2);line-height:1.8}
.foot__col--lead p{margin-top:16px;font-family:var(--serif);font-size:clamp(22px,2vw,30px);line-height:1.15;color:var(--ink)}
.foot__col .foot__h{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--cap);margin-bottom:14px}
.foot__steps{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.foot__time b{font-weight:400;color:var(--ink);font-variant-numeric:tabular-nums}
.foot__top{display:inline-flex;gap:8px;margin-top:18px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);text-decoration:none;min-height:44px;align-items:center}
.foot__top span{transition:transform .5s var(--ease)}
.foot__top:hover span{transform:translateY(-4px)}
.foot__dms{display:flex;gap:6px}
.foot__dms .dm{width:5px;height:5px}
.foot__giant{padding-top:clamp(24px,5vh,56px)}

@media (max-width:860px){
  .hero__side{flex:1 1 0;display:flex;flex-direction:column;min-height:clamp(170px,26svh,300px);margin:32px calc(var(--gut)*-1) 0}
  .hero__media{flex:1 1 0;margin:0;min-height:0}
  .fig,.floaters{display:none}
  .ghost{font-size:46vw;top:-.12em}
  .marq__row{font-size:clamp(38px,11vw,56px)}
  .marq[data-dir="-1"] .marq__row{font-size:clamp(30px,9vw,44px)}
  .foot__cols{grid-template-columns:1fr 1fr;row-gap:36px}
  .foot__col--lead{grid-column:1/-1}
  .cta__beam{width:90vw;right:-20%}
}
@media (prefers-reduced-motion:reduce){.atmo__glow,.cta__beam{animation:none}.dust{display:none}}
.cta{min-height:84svh}
@media (max-width:860px){.cta{min-height:78svh}}
@media (max-width:860px){.hero__grid{align-items:stretch}.hero__side{align-self:stretch}}