/* ==========================================================================
   Khattcode — Swiss / square-Kufic design system
   Flat. Strict grid. 90° corners only. No gradients. No shadows.
   ========================================================================== */

:root{
  /* colour */
  --ink:#0E0E11;
  --paper:#F7F3EC;
  --blue:#2E4CF5;
  --rule:rgba(14,14,17,.16);
  --rule-soft:rgba(14,14,17,.09);
  --muted:rgba(14,14,17,.62);
  --paper-rule:rgba(247,243,236,.18);
  --paper-muted:rgba(247,243,236,.66);

  /* type */
  --f-head:"Space Grotesk","Helvetica Neue",Helvetica,Arial,sans-serif;
  --f-body:"IBM Plex Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
  --f-ar:"IBM Plex Sans Arabic","Segoe UI",Tahoma,sans-serif;

  /* metrics */
  --maxw:1440px;
  --gutter:clamp(20px,4.5vw,72px);
  --sec-pad:clamp(80px,10vw,160px);
  --hdr-h:76px;
  --ease:cubic-bezier(.16,1,.3,1);
  --dir:1;                /* +1 in LTR, -1 in RTL — flips transforms */
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 24px)}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f-body);font-size:clamp(1rem,.96rem + .18vw,1.0625rem);
  line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--f-head);font-weight:600;margin:0;line-height:1.05;letter-spacing:-.025em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit;border-radius:0;background:none;border:0}
::selection{background:var(--blue);color:var(--paper)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;inset-inline-start:-9999px;top:0;z-index:200;background:var(--ink);color:var(--paper);padding:14px 22px}
.skip:focus{inset-inline-start:0}

/* ---------- the recurring cursor square ---------- */
.cursor{display:inline-block;width:.46em;height:.74em;background:var(--blue);vertical-align:-.04em;margin-inline-start:.14em;animation:blink 1.06s steps(1,end) infinite}
.cursor--sm{width:.5em;height:.5em;vertical-align:.02em;margin-inline:0 .5em}
.cursor--inv{margin-inline-start:.5em}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--f-head);font-weight:500;font-size:.9375rem;letter-spacing:-.01em;
  padding:15px 26px;border:1px solid var(--ink);cursor:pointer;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.btn--solid{background:var(--ink);color:var(--paper)}
.btn--solid:hover{background:var(--blue);border-color:var(--blue)}
.btn--line{background:transparent;color:var(--ink)}
.btn--line:hover{background:var(--ink);color:var(--paper)}
.btn--inv{border-color:var(--paper);color:var(--paper)}
.btn--inv:hover{background:var(--paper);color:var(--ink)}

/* ---------- section furniture ---------- */
.sec{padding-block:var(--sec-pad);border-top:1px solid var(--rule)}
.sec__head{display:grid;grid-template-columns:220px minmax(0,1fr);gap:20px clamp(24px,4vw,64px);margin-bottom:clamp(48px,6.5vw,96px)}
.sec__title{font-size:clamp(1.9rem,4vw,3.4rem);max-width:20ch}
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--f-head);font-size:.75rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.eyebrow__sq{width:9px;height:9px;background:var(--blue);flex:none}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid transparent;transition:border-color .3s var(--ease)}
.hdr.is-stuck{border-bottom-color:var(--rule)}
.hdr__in{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);height:var(--hdr-h);display:flex;align-items:center;gap:clamp(16px,3vw,48px)}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{width:26px;height:26px;flex:none}
.brand__word{font-family:var(--f-head);font-weight:700;font-size:1.125rem;letter-spacing:-.035em}
.nav{margin-inline-start:auto}
.nav__list{display:flex;align-items:center;gap:clamp(18px,2.2vw,34px)}
.nav__link{position:relative;font-size:.9375rem;padding-block:6px;color:var(--muted);transition:color .25s var(--ease)}
.nav__link::after{content:"";position:absolute;bottom:0;inset-inline-start:0;width:100%;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:calc(50% - 50% * var(--dir)) 50%;transition:transform .35s var(--ease)}
.nav__link:hover,.nav__link.is-active{color:var(--ink)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.hdr__end{display:flex;align-items:center;gap:14px;flex:none}
.lang{display:flex;border:1px solid var(--rule)}
.lang__btn{font-family:var(--f-head);font-size:.75rem;font-weight:500;letter-spacing:.06em;padding:8px 11px;color:var(--muted);cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease)}
.lang__btn + .lang__btn{border-inline-start:1px solid var(--rule)}
.lang__btn.is-on{background:var(--ink);color:var(--paper)}
.burger{display:none;width:42px;height:42px;border:1px solid var(--rule);cursor:pointer;padding:12px 10px;flex-direction:column;justify-content:space-between}
.burger__bar{display:block;height:1.5px;width:100%;background:var(--ink);transition:transform .3s var(--ease),opacity .2s linear}
.burger.is-open .burger__bar:nth-child(1){transform:translateY(7.25px) rotate(45deg)}
.burger.is-open .burger__bar:nth-child(2){opacity:0}
.burger.is-open .burger__bar:nth-child(3){transform:translateY(-7.25px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:clamp(64px,9vw,132px) clamp(72px,10vw,150px)}
.glyph{width:auto;height:100%}
.hero__glyph{position:absolute;top:50%;inset-inline-end:0;transform:translateY(-64%);height:clamp(210px,33vw,480px);color:var(--ink);opacity:.05;pointer-events:none;z-index:0}
.hero__in{position:relative;z-index:1}
.hero__h{font-size:clamp(2.55rem,7.6vw,6.75rem);line-height:.94;letter-spacing:-.038em;max-width:17ch;margin-block:clamp(22px,2.6vw,34px) clamp(26px,3vw,40px)}
.hero__sub{max-width:52ch;color:var(--muted);font-size:clamp(1.0625rem,1rem + .35vw,1.25rem)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(32px,3.6vw,48px)}
.hero__meta{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border-top:1px solid var(--rule);margin-top:clamp(64px,8vw,120px)}
.hero__meta li{background:var(--paper);padding:22px 0 0;display:flex;flex-direction:column;gap:6px;font-size:.9375rem;padding-inline-end:20px}
.hero__meta-k{font-family:var(--f-head);font-size:.75rem;letter-spacing:.14em;color:var(--blue)}

/* ---------- services ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.card{position:relative;background:var(--paper);padding:clamp(28px,3vw,48px);display:flex;flex-direction:column;transition:background .35s var(--ease)}
.card__num{font-family:var(--f-head);font-size:.75rem;letter-spacing:.14em;color:var(--muted);transition:color .3s var(--ease)}
.card__icon{display:block;width:44px;height:44px;margin-block:clamp(36px,4.5vw,64px) 26px;color:var(--ink);transition:color .3s var(--ease)}
.card__icon svg{width:100%;height:100%;stroke-linecap:square;stroke-linejoin:miter}
.card__title{font-size:clamp(1.25rem,1.05rem + .7vw,1.625rem);margin-bottom:12px}
.card__text{color:var(--muted);font-size:.9688rem;max-width:34ch}
.card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:clamp(28px,3vw,44px)}
.card__tags li{font-family:var(--f-head);font-size:.75rem;letter-spacing:.02em;color:var(--muted);border:1px solid var(--rule);padding:5px 10px}
.card::after{content:"";position:absolute;top:0;inset-inline-end:0;width:12px;height:12px;background:var(--blue);transform:scale(0);transform-origin:calc(50% + 50% * var(--dir)) 0;transition:transform .35s var(--ease)}
.card:hover::after{transform:scale(1)}
.card:hover .card__icon,.card:hover .card__num{color:var(--blue)}

/* ---------- selected work ---------- */
.work{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(28px,3.4vw,64px) clamp(24px,3vw,56px)}
.work__item{display:block}
.work__media{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;border:1px solid var(--rule);background:var(--paper)}
.work__art{position:absolute;inset:0;width:100%;height:100%}
.work__grid path{fill:none;stroke:var(--rule-soft);stroke-width:1;vector-effect:non-scaling-stroke}
.work__square{position:absolute;inset-block:0;inset-inline-start:0;height:100%;aspect-ratio:1/1;background:var(--blue);transform:translateX(calc(-101% * var(--dir)));transition:transform .6s var(--ease)}
.work__item:hover .work__square,.work__item:focus-visible .work__square{transform:translateX(0)}
.work__row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-top:20px;padding-top:16px;border-top:1px solid var(--rule);transition:border-color .3s var(--ease)}
.work__item:hover .work__row{border-top-color:var(--ink)}
.work__name{display:flex;align-items:center;font-family:var(--f-head);font-weight:600;font-size:clamp(1.25rem,1.05rem + .8vw,1.75rem);letter-spacing:-.03em}
.work__name .cursor--sm{animation:none;opacity:0;transition:opacity .3s var(--ease)}
.work__item:hover .cursor--sm,.work__item:focus-visible .cursor--sm{opacity:1}
.work__year{font-family:var(--f-head);font-size:.8125rem;letter-spacing:.1em;color:var(--muted);direction:ltr;unicode-bidi:isolate}
.work__desc{display:block;margin-top:6px;color:var(--muted);font-size:.9375rem}

/* ---------- process ---------- */
.proc{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.proc::before{content:"";position:absolute;top:40px;inset-inline:0;height:1px;background:var(--rule)}
.proc__step{position:relative;padding-top:78px;padding-inline-end:clamp(20px,2.6vw,52px)}
.proc__num{position:absolute;top:0;inset-inline-start:0;font-family:var(--f-head);font-size:.8125rem;letter-spacing:.14em;color:var(--muted);direction:ltr;unicode-bidi:isolate}
.proc__node{position:absolute;top:33px;inset-inline-start:0;width:15px;height:15px;background:var(--ink);transition:background .3s var(--ease)}
.proc__step:first-child .proc__node{background:var(--blue)}
.proc__step:hover .proc__node{background:var(--blue)}
.proc__title{font-size:clamp(1.25rem,1.05rem + .7vw,1.625rem);margin-bottom:12px}
.proc__text{color:var(--muted);font-size:.9375rem;max-width:30ch}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(40px,6vw,110px);align-items:start}
.about__text{min-width:0}
.about__p{color:var(--muted);max-width:56ch;margin-top:clamp(24px,2.6vw,34px)}
.about .sec__title{margin-top:20px}
.about__sign{display:flex;align-items:center;margin-top:clamp(30px,3.4vw,46px);font-family:var(--f-head);font-weight:500;font-size:1.0625rem}
.about__art{border:1px solid var(--rule);padding:clamp(20px,2.4vw,36px);background:var(--paper)}
.about__grid path{fill:none;stroke:var(--rule-soft);stroke-width:1;vector-effect:non-scaling-stroke}
.about__cells rect,.about__blue{opacity:0;transform:scale(0);transform-origin:center;transition:opacity .5s var(--ease),transform .5s var(--ease)}
.about__art.is-in .about__cells rect,.about__art.is-in .about__blue{opacity:1;transform:scale(1)}
.about__cells rect:nth-child(1){transition-delay:.05s}
.about__cells rect:nth-child(2){transition-delay:.12s}
.about__cells rect:nth-child(3){transition-delay:.19s}
.about__cells rect:nth-child(4){transition-delay:.26s}
.about__cells rect:nth-child(5){transition-delay:.33s}
.about__cells rect:nth-child(6){transition-delay:.4s}
.about__blue{transition-delay:.52s}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(40px,5vw,88px)}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(22px,2.4vw,32px)}
.field{display:flex;flex-direction:column;gap:9px;min-width:0}
.field--full{grid-column:1/-1}
.field__label{font-family:var(--f-head);font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.field__input{width:100%;padding:14px 16px;border:1px solid var(--rule);background:transparent;font-size:1rem;transition:border-color .25s var(--ease)}
.field__input::placeholder{color:rgba(14,14,17,.38)}
.field__input:hover{border-color:rgba(14,14,17,.32)}
.field__input:focus{outline:none;border-color:var(--ink)}
.field__input:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
textarea.field__input{resize:vertical;min-height:132px;line-height:1.6}
.select{position:relative;display:block}
.select select{appearance:none;-webkit-appearance:none;padding-inline-end:44px;cursor:pointer}
.select__mark{position:absolute;top:50%;inset-inline-end:18px;width:8px;height:8px;margin-top:-6px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);transform:rotate(45deg);pointer-events:none}
.field__err{font-size:.8125rem;color:var(--blue);display:none}
.field.has-err .field__input{border-color:var(--blue)}
.field.has-err .field__err{display:block}
.form__foot{flex-direction:row;align-items:center;flex-wrap:wrap;gap:20px;margin-top:6px}
.form__status{font-size:.9375rem;color:var(--muted)}
.form__status.is-ok{color:var(--ink)}
.contact__side{display:flex;flex-direction:column;gap:clamp(26px,3vw,38px);border-top:1px solid var(--rule);padding-top:26px}
.contact__k{font-family:var(--f-head);font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.contact__v{font-size:1.0625rem;display:inline-block}
a.contact__v{border-bottom:1px solid var(--rule);padding-bottom:2px;transition:border-color .25s var(--ease),color .25s var(--ease)}
a.contact__v:hover{color:var(--blue);border-bottom-color:var(--blue)}
.social{display:flex;flex-direction:column;gap:7px}
.social a{position:relative;display:inline-block;font-size:1rem;color:var(--muted);transition:color .25s var(--ease)}
.social a::before{content:"";position:absolute;top:.62em;inset-inline-start:-16px;width:6px;height:6px;background:var(--blue);opacity:0;transition:opacity .25s var(--ease)}
.social a:hover{color:var(--ink)}
.social a:hover::before{opacity:1}
.contact__note{font-size:.9375rem;color:var(--muted);border-top:1px solid var(--rule);padding-top:22px;max-width:32ch}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:var(--paper);padding-top:clamp(64px,7vw,104px)}
.ftr__in{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,4vw,72px);padding-bottom:clamp(56px,6vw,88px)}
.brand--ftr .brand__word{font-size:1.375rem}
.brand--ftr .brand__mark{width:30px;height:30px}
.ftr__tag{margin-top:18px;color:var(--paper-muted);max-width:34ch;font-size:.9375rem}
.ftr__k{font-family:var(--f-head);font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--paper-muted);margin-bottom:18px}
.ftr__nav ul{display:flex;flex-direction:column;gap:9px}
.ftr__nav a,.ftr__mail{color:var(--paper-muted);transition:color .25s var(--ease)}
.ftr__nav a:hover,.ftr__mail:hover{color:var(--paper)}
.ftr__cta{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.ftr__mail{border-bottom:1px solid var(--paper-rule);padding-bottom:2px}
.ftr__bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--paper-rule);padding-block:24px 28px;font-size:.8125rem;color:var(--paper-muted)}
.ftr__made{display:flex;align-items:center}

/* ---------- scroll reveal ---------- */
@media (scripting: enabled){
  .reveal{opacity:0;transform:translateY(20px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}
  .cards .card:nth-child(2),.work__item:nth-child(2),.proc__step:nth-child(2){transition-delay:.09s}
  .cards .card:nth-child(3),.work__item:nth-child(3),.proc__step:nth-child(3){transition-delay:.18s}
  .work__item:nth-child(4),.proc__step:nth-child(4){transition-delay:.27s}
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1180px){
  .sec__head{grid-template-columns:170px minmax(0,1fr)}
}
@media (max-width:1000px){
  .burger{display:flex}
  .nav{position:fixed;top:var(--hdr-h);inset-inline:0;margin:0;background:var(--paper);border-bottom:1px solid var(--rule);padding:4px var(--gutter) 28px;max-height:calc(100dvh - var(--hdr-h));overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s}
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__link{display:block;padding:18px 0;font-family:var(--f-head);font-size:1.25rem;color:var(--ink);border-bottom:1px solid var(--rule-soft)}
  .nav__link::after{display:none}
  .about,.contact{grid-template-columns:minmax(0,1fr)}
  .about__art{max-width:440px}
  .contact__side{border-top:0;padding-top:0}
}
@media (max-width:900px){
  .sec__head{grid-template-columns:minmax(0,1fr);gap:14px}
  .ftr__in{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ftr__brand{grid-column:1/-1}
}
@media (max-width:860px){
  :root{--hdr-h:64px}
  .cards{grid-template-columns:minmax(0,1fr)}
  .work{grid-template-columns:minmax(0,1fr)}
  .hdr__cta{display:none}
  /* process becomes one vertical line */
  .proc{grid-template-columns:minmax(0,1fr)}
  .proc::before{top:6px;bottom:6px;height:auto;width:1px;inset-inline-start:7px;inset-inline-end:auto}
  .proc__step{padding-top:0;padding-inline:44px 0;padding-bottom:38px}
  .proc__step:last-child{padding-bottom:0}
  .proc__num{position:static;display:block;margin-bottom:10px}
  .proc__node{top:3px}
  .proc__text{max-width:46ch}
}
@media (max-width:680px){
  .hero__meta{grid-template-columns:repeat(2,1fr)}
  .form{grid-template-columns:minmax(0,1fr)}
  .hero__cta .btn{flex:1 1 100%}
  .ftr__in{grid-template-columns:minmax(0,1fr)}
  .ftr__brand{grid-column:auto}
  .work__name{font-size:1.375rem}
}
@media (max-width:400px){
  .brand__word{font-size:1rem}
  .lang__btn{padding:8px 9px}
}

/* ==========================================================================
   Arabic / RTL
   ========================================================================== */
[dir="rtl"]{--dir:-1}
[dir="rtl"] .hero__glyph{transform:translateY(-50%) scaleX(-1)}

html[lang="ar"] body{font-family:var(--f-ar);line-height:1.85}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3,
html[lang="ar"] .btn,html[lang="ar"] .eyebrow,html[lang="ar"] .field__label,
html[lang="ar"] .contact__k,html[lang="ar"] .ftr__k,html[lang="ar"] .about__sign,
html[lang="ar"] .nav__link,html[lang="ar"] .skip{font-family:var(--f-ar);letter-spacing:normal}
html[lang="ar"] .hero__h{line-height:1.14;letter-spacing:normal}
html[lang="ar"] .sec__title,html[lang="ar"] .card__title,html[lang="ar"] .proc__title,html[lang="ar"] .work__name{line-height:1.28;letter-spacing:normal}
html[lang="ar"] .eyebrow,html[lang="ar"] .field__label,html[lang="ar"] .contact__k,html[lang="ar"] .ftr__k{letter-spacing:0;text-transform:none;font-size:.8125rem}
/* latin fragments keep the latin face and direction */
html[lang="ar"] .brand__word,html[lang="ar"] .card__num,html[lang="ar"] .proc__num,
html[lang="ar"] .work__year,html[lang="ar"] .hero__meta-k,html[lang="ar"] .card__tags li,
html[lang="ar"] .social a,html[lang="ar"] .contact__v,html[lang="ar"] .ftr__mail{font-family:var(--f-head)}
html[lang="ar"] .card__num,html[lang="ar"] .proc__num,html[lang="ar"] .work__year,
html[lang="ar"] .hero__meta-k{letter-spacing:.14em}
.lang__btn[lang="ar"]{font-family:var(--f-ar);font-size:.875rem}

/* ==========================================================================
   Motion preferences
   ========================================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;transition-delay:0ms!important}
  .reveal{opacity:1;transform:none}
  .about__cells rect,.about__blue{opacity:1;transform:none}
  .cursor{animation:none}
}

/* the header CTA moves into the drop-down panel on small screens */
.nav__cta{display:none}
@media (max-width:1000px){
  .nav__cta{display:block;padding-top:22px}
  .nav__cta .btn{width:100%}
}

/* make [hidden] win over any display rule (used to park the Work section) */
[hidden]{display:none !important}

/* latin phone number stays LTR inside an RTL column */
.contact__v[dir="ltr"]{unicode-bidi:isolate}