/* =================================================================
   DYNAMIC DESIGN — Engineering Consultancy
   Bauhaus / Swiss grid system. Helvetica typography.
   Palette: cool greys, stark white, natural wood accent.
   ================================================================= */

:root{
  /* Palette */
  --white:      #ffffff;
  --paper:      #f4f4f2;
  --grey-100:   #e7e7e4;
  --grey-200:   #d2d2cd;
  --grey-300:   #a9a9a4;
  --grey-500:   #6f6f6b;
  --grey-700:   #3a3a38;
  --ink:        #1a1a18;
  /* Brand aqua accent (from logo) — used for all highlights, titles & icons */
  --wood:       #15a9b5;   /* brand aqua (accent) */
  --wood-soft:  #4ec6d0;   /* lighter aqua for on-dark accents */
  --aqua:       #15a9b5;
  --aqua-soft:  #4ec6d0;
  --aqua-deep:  #0e7d87;

  /* Type */
  --sans: "Helvetica Neue", Helvetica, Arial, "Inter", system-ui, sans-serif;

  /* Grid */
  --gutter: 24px;
  --maxw: 1480px;
  --edge: clamp(20px, 5vw, 72px);

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; }

body{
  font-family:var(--sans);
  background:var(--white);
  color:var(--ink);
  line-height:1.55;
  font-size:16px;
  font-weight:400;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ display:block; max-width:100%; }
ul{ list-style:none; }

/* ---------- Type scale ---------- */
h1,h2,h3,h4{ font-weight:600; letter-spacing:-0.02em; line-height:1.04; }
.display{
  font-size:clamp(2.6rem, 7.5vw, 7rem);
  font-weight:700;
  letter-spacing:-0.04em;
  line-height:0.95;
}
.h-xl{ font-size:clamp(2rem,4.4vw,3.8rem); }
.h-lg{ font-size:clamp(1.6rem,3vw,2.6rem); }
.h-md{ font-size:clamp(1.25rem,2vw,1.6rem); }

.eyebrow{
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.34em;
  text-transform:uppercase;
  color:var(--grey-500);
  display:inline-flex;
  align-items:center;
  gap:.7em;
}
.eyebrow::before{
  content:"";
  width:28px; height:1px;
  background:var(--wood);
  display:inline-block;
}
.lead{
  font-size:clamp(1.05rem,1.5vw,1.3rem);
  color:var(--grey-700);
  font-weight:400;
  max-width:62ch;
  line-height:1.6;
}
.muted{ color:var(--grey-500); }
.wood{ color:var(--wood); }

/* ---------- Layout helpers ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--edge);
}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gutter);
}
section{ position:relative; }
.section{ padding-block:clamp(72px,11vw,170px); }
.section-tight{ padding-block:clamp(48px,7vw,96px); }
.divider{ height:1px; background:var(--grey-100); border:0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.8em;
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  padding:1.05em 1.8em;
  border:1px solid var(--ink);
  background:var(--ink);
  color:var(--white);
  border-radius:0;
  transition:background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
  cursor:pointer;
}
.btn:hover{ background:var(--wood); border-color:var(--wood); color:var(--white); }
.btn--ghost{ background:transparent; color:var(--ink); }
.btn--ghost:hover{ background:var(--ink); color:var(--white); border-color:var(--ink); }
.btn .arr{ transition:transform .4s var(--ease); }
.btn:hover .arr{ transform:translateX(5px); }

.link-arrow{
  display:inline-flex; align-items:center; gap:.6em;
  font-size:.78rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
  border-bottom:1px solid var(--grey-200);
  padding-bottom:.4em;
  transition:border-color .35s var(--ease), color .35s var(--ease);
}
.link-arrow:hover{ border-color:var(--wood); color:var(--wood); }
.link-arrow .arr{ transition:transform .35s var(--ease); }
.link-arrow:hover .arr{ transform:translateX(5px); }

/* =================================================================
   HEADER
   ================================================================= */
/* ---------- Dark top utility bar (logo left · contact centre · controls right) ---------- */
:root{ --topbar-h:58px; }

.topbar{
  position:fixed; top:0; left:0; right:0; z-index:101;
  background:var(--ink); color:rgba(255,255,255,.82);
  height:var(--topbar-h);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:transform .45s var(--ease);
}
.topbar-inner{
  max-width:var(--maxw); margin-inline:auto;
  padding:0 var(--edge); height:100%;
  display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:20px;
}
/* brand in the dark bar */
.tb-brand{ display:inline-flex; align-items:center; gap:.6em; line-height:1; justify-self:start; }
.tb-brand .mark{ width:42px; height:34px; flex:0 0 42px; }
.tb-brand .brand-logo-light{ height:34px; width:auto; display:none; }
.tb-brand .name{ font-weight:700; letter-spacing:-0.02em; font-size:1.08rem; color:#fff; }

.tb-center{ display:flex; align-items:center; gap:28px; justify-self:center; }
.tb-right{ display:flex; align-items:center; gap:20px; justify-self:end; }

.tb-item{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; letter-spacing:.02em; color:rgba(255,255,255,.82);
  transition:color .3s var(--ease);
}
.tb-item svg{ color:var(--aqua-soft); flex:0 0 auto; }
.tb-item:hover{ color:#fff; }
.tb-muted{ color:rgba(255,255,255,.5); }
.tb-muted:hover{ color:rgba(255,255,255,.5); }

/* language toggle */
.lang-toggle{
  background:transparent; border:1px solid rgba(255,255,255,.32); color:#fff;
  font-family:inherit; font-size:.74rem; letter-spacing:.06em; font-weight:600;
  padding:.5em .9em; cursor:pointer; transition:.3s var(--ease); line-height:1;
}
.lang-toggle:hover{ background:var(--aqua); border-color:var(--aqua); color:#fff; }

.site-header{
  position:fixed; inset:var(--topbar-h) 0 auto 0; z-index:100;
  display:flex; align-items:center; justify-content:center;
  padding:16px var(--edge);
  transition:background .45s var(--ease), padding .45s var(--ease), box-shadow .45s var(--ease), top .45s var(--ease);
  mix-blend-mode:normal;
}
.site-header.solid{
  top:0;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  padding-block:13px;
  box-shadow:0 1px 0 var(--grey-100);
}
/* When header sticks to the top after scroll, show a compact brand mark on the left */
.site-header::before{
  content:""; position:absolute; left:var(--edge); top:50%; transform:translateY(-50%) scale(.8);
  width:42px; height:34px; opacity:0; pointer-events:none;
  background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 32'%3E%3Cpath d='M9 8h7a8 8 0 0 1 0 16H9z' fill='none' stroke='%2315a9b5' stroke-width='2.4'/%3E%3Cpath d='M22 8h7a8 8 0 0 1 0 16h-7' fill='none' stroke='%234ec6d0' stroke-width='2.4'/%3E%3C/svg%3E");
  transition:opacity .4s var(--ease), transform .4s var(--ease);
}
.site-header.solid::before{ opacity:1; transform:translateY(-50%) scale(1); }
/* header colour modes */
.site-header.on-dark{ color:var(--white); }
.site-header.on-dark .nav a{ color:var(--white); }
.site-header.on-dark.solid{ color:var(--ink); }
.site-header.on-dark.solid .nav a{ color:var(--ink); }

.nav{ display:flex; align-items:center; gap:clamp(18px,2.4vw,40px); }
.nav a{
  font-size:.78rem; font-weight:500; letter-spacing:.12em; text-transform:uppercase;
  position:relative; padding-block:4px;
}
.nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background:var(--wood); transition:width .35s var(--ease);
}
.nav a:hover::after, .nav a.active::after{ width:100%; }
.nav a.active{ color:var(--wood); }

.nav-cta{ border:1px solid currentColor; padding:.7em 1.3em !important; }
.nav-cta::after{ display:none; }

/* ---------- Dropdown (Services) ---------- */
.nav-item{ position:relative; display:flex; align-items:center; }
.nav-item > a{ display:inline-flex; align-items:center; gap:.5em; }
.nav-item .caret{ width:8px; height:8px; border-right:1.5px solid currentColor; border-bottom:1.5px solid currentColor; transform:rotate(45deg) translateY(-2px); transition:transform .35s var(--ease); opacity:.7; }
.nav-item:hover .caret, .nav-item:focus-within .caret{ transform:rotate(225deg) translateY(0); }

.dropdown{
  position:absolute; top:100%; left:50%; transform:translate(-50%,12px);
  min-width:300px; background:var(--white); color:var(--ink);
  border:1px solid var(--grey-100); box-shadow:0 24px 60px -20px rgba(20,20,18,.28);
  padding:14px; opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .32s var(--ease), transform .32s var(--ease), visibility .32s;
  z-index:120;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown{ opacity:1; visibility:visible; pointer-events:auto; transform:translate(-50%,8px); }
/* bridge gap so hover doesn't drop */
.dropdown::before{ content:""; position:absolute; top:-12px; left:0; right:0; height:12px; }
.dropdown .dd-head{ font-size:.66rem; letter-spacing:.22em; text-transform:uppercase; color:var(--grey-300); padding:8px 12px 10px; }
.dropdown a{
  display:flex; align-items:center; gap:12px; padding:10px 12px;
  font-size:.86rem; letter-spacing:0; text-transform:none; font-weight:500;
  color:var(--grey-700); transition:background .25s var(--ease), color .25s var(--ease);
}
.dropdown a::after{ display:none; }
.dropdown a .dd-no{ font-size:.7rem; color:var(--grey-300); font-variant-numeric:tabular-nums; min-width:20px; }
.dropdown a:hover{ background:var(--paper); color:var(--ink); }
.dropdown a:hover .dd-no{ color:var(--wood); }
.dropdown .dd-all{ margin-top:6px; border-top:1px solid var(--grey-100); color:var(--wood); font-weight:600; letter-spacing:.06em; text-transform:uppercase; font-size:.74rem; }
.dropdown .dd-all .dd-no{ display:none; }
/* dark header variant keeps dropdown light (it floats on white panel) */
.site-header.on-dark .nav-item .caret{ border-color:currentColor; }

/* mobile nav services sublist */
.mn-sub{ margin:6px 0 14px; padding-left:2px; }
.mn-sub a{ font-size:1.05rem !important; font-weight:500 !important; letter-spacing:.02em !important; padding:.28em 0 !important; border:0 !important; color:rgba(255,255,255,.62); }
.mn-sub a:hover{ color:#fff; }
.mn-toggle{ display:flex; align-items:center; justify-content:space-between; }

.burger{ display:none; flex-direction:column; gap:6px; background:none; border:0; cursor:pointer; padding:6px; }
.burger span{ width:26px; height:2px; background:currentColor; transition:.3s var(--ease); }

/* mobile nav */
.mobile-nav{
  position:fixed; inset:0; z-index:99; background:var(--ink); color:var(--white);
  display:flex; flex-direction:column; justify-content:center; padding:var(--edge);
  transform:translateY(-100%); transition:transform .55s var(--ease); pointer-events:none;
}
.mobile-nav.open{ transform:translateY(0); pointer-events:auto; }
.mobile-nav a{ font-size:clamp(2rem,9vw,3.6rem); font-weight:700; letter-spacing:-.03em; padding:.18em 0; border-bottom:1px solid rgba(255,255,255,.12); }
.mobile-nav a:hover{ color:var(--wood-soft); }
.mobile-nav .mn-meta{ margin-top:auto; padding-top:36px; color:rgba(255,255,255,.6); font-size:.85rem; letter-spacing:.04em; }
.mobile-nav .mn-lang{ align-self:flex-start; margin-top:28px; font-size:1rem; padding:.6em 1.1em; }

/* =================================================================
   HERO SLIDER
   ================================================================= */
.hero{ position:relative; height:100svh; min-height:620px; overflow:hidden; background:var(--ink); }
.slides{ position:absolute; inset:0; }
.slide{
  position:absolute; inset:0; opacity:0; transition:opacity 1.4s var(--ease);
}
.slide.active{ opacity:1; }
.slide img{
  width:100%; height:100%; object-fit:cover;
  transform:scale(1.08); transition:transform 7s linear;
}
.slide.active img{ transform:scale(1); }
.slide::after{
  content:""; position:absolute; inset:0;
  /* Dark gradient from the top fading to transparent so the logo/nav
     read cleanly, while the rest of the image stays as-is. */
  background:linear-gradient(180deg,
    rgba(18,18,16,.85) 0%,
    rgba(18,18,16,.55) 14%,
    rgba(18,18,16,.18) 30%,
    rgba(18,18,16,0) 46%);
}
/* Stronger bottom scrim behind the hero text so white copy stays
   readable over light/bright images, while the upper image is untouched. */
.slide::before{
  content:""; position:absolute; left:0; right:0; bottom:0; height:62%; z-index:1;
  background:linear-gradient(180deg,
    rgba(16,16,14,0) 0%,
    rgba(16,16,14,.45) 48%,
    rgba(16,16,14,.78) 100%);
}

.hero-inner{
  position:relative; z-index:5; height:100%;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:0 var(--edge) clamp(40px,7vw,88px);
  max-width:var(--maxw); margin-inline:auto;
}
.hero .eyebrow{ color:rgba(255,255,255,.88); text-shadow:0 1px 12px rgba(0,0,0,.45); }
.hero .eyebrow::before{ background:var(--wood-soft); }
.hero h1{ color:var(--white); margin-top:.4em; max-width:16ch; text-shadow:0 2px 26px rgba(0,0,0,.42); }
.hero .hero-sub{
  color:rgba(255,255,255,.92); max-width:48ch; margin-top:1.5em; font-size:clamp(1rem,1.4vw,1.2rem);
  text-shadow:0 1px 16px rgba(0,0,0,.45);
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:2.4em; }
.hero .btn--ghost{ color:var(--white); border-color:rgba(255,255,255,.55); }
.hero .btn--ghost:hover{ background:var(--white); color:var(--ink); border-color:var(--white); }

/* slider UI */
.hero-ui{
  position:absolute; z-index:6; left:var(--edge); right:var(--edge); bottom:clamp(40px,7vw,88px);
  max-width:var(--maxw); margin-inline:auto;
}
.slider-controls{
  position:absolute; right:0; bottom:0;
  display:flex; align-items:center; gap:22px; color:#fff;
}
.slider-count{ font-size:.8rem; letter-spacing:.18em; font-variant-numeric:tabular-nums; }
.slider-count .cur{ color:#fff; } .slider-count .tot{ color:rgba(255,255,255,.5); }
.slider-arrows{ display:flex; gap:10px; }
.s-arrow{
  width:52px; height:52px; border:1px solid rgba(255,255,255,.4); background:transparent; color:#fff;
  display:grid; place-items:center; cursor:pointer; transition:.35s var(--ease);
}
.s-arrow:hover{ background:#fff; color:var(--ink); border-color:#fff; }
.progress{ position:absolute; left:0; right:0; bottom:-22px; height:2px; background:rgba(255,255,255,.18); }
.progress span{ display:block; height:100%; width:0; background:var(--wood-soft); }
.scroll-hint{
  position:absolute; left:var(--edge); bottom:-22px; color:rgba(255,255,255,.6);
  font-size:.68rem; letter-spacing:.26em; text-transform:uppercase;
}

/* =================================================================
   REVEAL ON SCROLL
   ================================================================= */
/* Content is visible by default. Only when JS confirms support
   do we hide .reveal elements to animate them in — this guarantees
   the page can never render blank if scripts don't run. */
html.js .reveal{ opacity:0; transform:translateY(26px); transition:opacity 1s var(--ease), transform 1s var(--ease); }
html.js .reveal.in{ opacity:1; transform:none; }
html.js .reveal[data-d="1"]{ transition-delay:.08s; }
html.js .reveal[data-d="2"]{ transition-delay:.16s; }
html.js .reveal[data-d="3"]{ transition-delay:.24s; }
html.js .reveal[data-d="4"]{ transition-delay:.32s; }

/* =================================================================
   PAGE HEADER (inner pages)
   ================================================================= */
.page-head{ padding:clamp(140px,18vw,220px) 0 clamp(48px,7vw,92px); border-bottom:1px solid var(--grey-100); }
.page-head .idx{
  font-size:.72rem; letter-spacing:.3em; text-transform:uppercase; color:var(--aqua);
  font-variant-numeric:tabular-nums; font-weight:600;
}
.page-head h1{ margin:.5em 0 .3em; }
.breadcrumb{ font-size:.74rem; letter-spacing:.14em; text-transform:uppercase; color:var(--grey-500); }
.breadcrumb a:hover{ color:var(--wood); }

/* =================================================================
   SERVICE DETAIL PAGE
   ================================================================= */
.svc-hero{ position:relative; padding:clamp(140px,18vw,220px) 0 clamp(48px,7vw,80px); overflow:hidden; }
.svc-hero .grid{ align-items:end; }
.svc-hero .num-big{
  font-size:clamp(4rem,12vw,11rem); font-weight:700; letter-spacing:-.05em; line-height:.8;
  color:transparent; -webkit-text-stroke:2px var(--aqua-soft); text-stroke:2px var(--aqua-soft);
}
.svc-hero h1{ margin-top:.1em; }
.svc-prevnext{ display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; border-top:1px solid var(--grey-100); padding-top:28px; margin-top:clamp(40px,6vw,72px); }
.svc-prevnext a{ display:flex; flex-direction:column; gap:6px; }
.svc-prevnext .pn-k{ font-size:.7rem; letter-spacing:.2em; text-transform:uppercase; color:var(--grey-300); }
.svc-prevnext .pn-v{ font-size:1.05rem; font-weight:600; }
.svc-prevnext a:hover .pn-v{ color:var(--wood); }
.svc-prevnext .pn-next{ text-align:right; align-items:flex-end; margin-left:auto; }

.svc-detail-grid .col-main{ grid-column:1 / span 7; }
.svc-detail-grid .col-side{ grid-column:9 / span 4; }

.cap-list{ border-top:1px solid var(--grey-200); margin-top:8px; }
.cap-list li{
  display:grid; grid-template-columns:36px 1fr; gap:14px; align-items:baseline;
  padding:16px 0; border-bottom:1px solid var(--grey-100); color:var(--grey-700);
}
.cap-list li .c-no{ font-size:.72rem; color:var(--wood); font-weight:600; font-variant-numeric:tabular-nums; }

.side-card{ border:1px solid var(--grey-100); padding:28px; background:var(--paper); }
.side-card h4{ font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--grey-500); margin-bottom:16px; }
.side-card .s-item{ padding:12px 0; border-top:1px solid var(--grey-200); font-size:.92rem; color:var(--grey-700); }
.side-card .s-item:first-of-type{ border-top:0; }
.side-card .btn{ width:100%; justify-content:center; margin-top:20px; }

.svc-related{ background:var(--paper); }
.related-grid{ row-gap:18px; }
.related-card{ grid-column:span 4; border-top:2px solid var(--ink); padding-top:18px; transition:border-color .35s var(--ease); }
.related-card .r-no{ font-size:.72rem; color:var(--wood); font-weight:600; }
.related-card h3{ font-size:clamp(1.1rem,1.6vw,1.4rem); margin:.5em 0; }
.related-card p{ color:var(--grey-500); font-size:.88rem; }
.related-card:hover{ border-color:var(--wood); }
@media(max-width:1080px){
  .svc-detail-grid .col-main,.svc-detail-grid .col-side{ grid-column:1 / -1; }
  .svc-detail-grid .col-side{ margin-top:36px; }
  .related-card{ grid-column:span 6; }
}
@media(max-width:640px){ .related-card{ grid-column:1 / -1; } }

/* =================================================================
   STAT STRIP
   ================================================================= */
.stats{ border-block:1px solid var(--grey-100); }
.stats .grid{ gap:0; }
.stat{
  grid-column:span 3; padding:clamp(36px,5vw,64px) clamp(20px,3vw,40px);
  border-left:1px solid var(--grey-100);
}
.stat:first-child{ border-left:0; }
.stat .num{ font-size:clamp(2.6rem,5vw,4.2rem); font-weight:700; letter-spacing:-.04em; line-height:1; }
.stat .num .plus{ color:var(--wood); }
.stat .lbl{ margin-top:.8em; font-size:.78rem; letter-spacing:.18em; text-transform:uppercase; color:var(--grey-500); }

/* =================================================================
   INTRO / ABOUT split
   ================================================================= */
.split{ align-items:start; }
.split .col-l{ grid-column:1 / span 4; }
.split .col-r{ grid-column:6 / span 7; }
.split.flip .col-l{ grid-column:1 / span 7; }
.split.flip .col-r{ grid-column:9 / span 4; }

.kv{ border-top:1px solid var(--grey-100); padding:18px 0; display:grid; grid-template-columns:auto 1fr; gap:20px; align-items:baseline; }
.kv .k{ font-size:.74rem; letter-spacing:.16em; text-transform:uppercase; color:var(--grey-500); min-width:140px; }
.kv .v{ color:var(--grey-700); }

/* =================================================================
   SERVICES — FEATURE CAROUSEL (home)
   ================================================================= */
.feat-carousel{ position:relative; }
.feat-track{
  display:flex; gap:14px;
  overflow-x:auto; scroll-snap-type:x mandatory;
  scroll-behavior:smooth; padding:4px 2px 18px;
  -ms-overflow-style:none; scrollbar-width:none;
}
.feat-track::-webkit-scrollbar{ display:none; }
.feat-card{
  flex:0 0 clamp(220px, 25%, 280px);
  scroll-snap-align:start;
  position:relative; display:flex; flex-direction:column;
  background:var(--white); border:1px solid var(--grey-100);
  padding:24px;
  transition:border-color .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}
.feat-card:hover{
  border-color:var(--aqua);
  transform:translateY(-4px);
  box-shadow:0 24px 50px -28px rgba(21,169,181,.45);
}
.feat-icon{
  width:48px; height:48px; display:grid; place-items:center;
  border:1px solid var(--grey-200); color:var(--aqua);
  margin-bottom:18px; transition:background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
}
.feat-icon svg{ width:23px; height:23px; }
.feat-card:hover .feat-icon{ background:var(--aqua); color:#fff; border-color:var(--aqua); }
.feat-no{
  position:absolute; top:24px; right:24px;
  font-size:.7rem; letter-spacing:.1em; color:var(--grey-300); font-variant-numeric:tabular-nums;
}
.feat-card h3{ font-size:clamp(1.05rem,1.4vw,1.25rem); margin-bottom:.5em; }
.feat-card p{ color:var(--grey-500); font-size:.875rem; line-height:1.55; flex:1; }
.feat-go{
  margin-top:18px; width:34px; height:34px; display:grid; place-items:center;
  border-radius:50%; border:1px solid var(--grey-200); color:var(--grey-500);
  transition:.4s var(--ease);
}
.feat-card:hover .feat-go{ background:var(--ink); color:#fff; border-color:var(--ink); transform:translateX(4px); }

.feat-ctrl{ display:flex; align-items:center; gap:20px; margin-top:6px; }
.feat-arrow{
  width:52px; height:52px; flex:0 0 52px; border:1px solid var(--grey-200);
  background:transparent; color:var(--ink); cursor:pointer; font-size:1rem;
  display:grid; place-items:center; transition:.35s var(--ease);
}
.feat-arrow:hover{ background:var(--aqua); border-color:var(--aqua); color:#fff; }
.feat-arrow:disabled{ opacity:.3; pointer-events:none; }
.feat-progress{ flex:1; height:2px; background:var(--grey-100); position:relative; overflow:hidden; }
.feat-progress span{ position:absolute; left:0; top:0; height:100%; width:25%; background:var(--aqua); transition:left .4s var(--ease), width .4s var(--ease); }

html.rtl .feat-track{ direction:rtl; }
html.rtl .feat-go,
html.rtl .feat-arrow{ transform:scaleX(-1); }
html.rtl .feat-card:hover .feat-go{ transform:scaleX(-1) translateX(4px); }
html.rtl .feat-no{ right:auto; left:24px; }

/* =================================================================
   SERVICES
   ================================================================= */
.svc-list{ border-top:1px solid var(--grey-200); }
.svc-row{
  display:grid; grid-template-columns:90px 1fr auto; gap:clamp(16px,4vw,48px);
  align-items:center; padding:clamp(24px,3.4vw,42px) 0;
  border-bottom:1px solid var(--grey-100); position:relative; transition:padding .5s var(--ease);
}
.svc-row .no{ font-size:.8rem; letter-spacing:.1em; color:var(--grey-300); font-variant-numeric:tabular-nums; }
.svc-row h3{ font-size:clamp(1.4rem,2.6vw,2.1rem); font-weight:600; transition:color .4s var(--ease), transform .5s var(--ease); }
.svc-row .desc{ color:var(--grey-500); max-width:46ch; font-size:.96rem; }
.svc-row .go{ width:46px;height:46px;border:1px solid var(--grey-200); border-radius:50%; display:grid;place-items:center; transition:.4s var(--ease); color:var(--grey-500); }
.svc-row:hover{ padding-inline:clamp(8px,1.6vw,22px); }
.svc-row:hover h3{ color:var(--wood); }
.svc-row:hover .go{ background:var(--ink); color:#fff; border-color:var(--ink); transform:rotate(-45deg); }

/* services detail cards */
.svc-cards{ row-gap:clamp(36px,5vw,72px); }
.svc-card{ grid-column:span 6; }
.svc-card .top{ display:flex; align-items:baseline; gap:18px; border-bottom:1px solid var(--grey-200); padding-bottom:18px; margin-bottom:22px; }
.svc-card .top .no{ font-size:.8rem; color:var(--wood); font-weight:600; letter-spacing:.1em; }
.svc-card h3{ font-size:clamp(1.3rem,2.2vw,1.9rem); }
.svc-card .tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
.svc-card .tags span{
  font-size:.72rem; letter-spacing:.06em; color:var(--grey-500);
  border:1px solid var(--grey-200); padding:.45em .8em; transition:.3s var(--ease);
}
.svc-card .tags span:hover{ border-color:var(--wood); color:var(--wood); }

/* =================================================================
   FEATURE / IMAGE BLOCKS
   ================================================================= */
.feature-img{ width:100%; aspect-ratio:16/10; object-fit:cover; }
.feature-img.tall{ aspect-ratio:4/5; }
.imgcap{ font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--grey-500); margin-top:14px; }

/* =================================================================
   PROJECTS
   ================================================================= */
.proj-grid{ row-gap:clamp(32px,4vw,56px); }
.proj{ grid-column:span 4; }
.proj.wide{ grid-column:span 12; }
.proj .ph{ overflow:hidden; background:var(--grey-100); }
.proj .ph img{ width:100%; aspect-ratio:3/2; object-fit:cover; transition:transform 1.1s var(--ease); }
.proj.wide .ph img{ aspect-ratio:21/9; }
.proj:hover .ph img{ transform:scale(1.05); }
.proj .meta{ display:flex; justify-content:space-between; align-items:baseline; gap:14px; margin-top:16px; border-top:1px solid var(--grey-100); padding-top:14px; }
.proj .meta h3{ font-size:clamp(1.05rem,1.4vw,1.3rem); }
.proj.wide .meta h3{ font-size:clamp(1.2rem,1.8vw,1.55rem); }
.proj .meta .cat{ font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--grey-500); white-space:nowrap; }
.proj .sub{ color:var(--grey-500); font-size:.92rem; margin-top:6px; }

/* sector index list */
.sector{ display:grid; grid-template-columns:auto 1fr auto; gap:24px; align-items:center; padding:22px 0; border-top:1px solid var(--grey-100); }
.sector:last-child{ border-bottom:1px solid var(--grey-100); }
.sector .s-no{ color:var(--grey-300); font-size:.8rem; font-variant-numeric:tabular-nums; }
.sector h3{ font-size:clamp(1.1rem,1.8vw,1.5rem); font-weight:500; }
.sector .s-ct{ color:var(--grey-500); font-size:.82rem; letter-spacing:.1em; }

/* =================================================================
   TEAM
   ================================================================= */
.team-grid{ row-gap:clamp(36px,5vw,64px); }
.member{ grid-column:span 3; }
.member .avt{
  aspect-ratio:1; background:var(--grey-100); display:grid; place-items:center; margin-bottom:18px;
  font-size:2.4rem; font-weight:700; color:var(--grey-300); letter-spacing:-.02em;
  border:1px solid var(--grey-100);
}
.member h3{ font-size:1.1rem; }
.member .role{ font-size:.74rem; letter-spacing:.14em; text-transform:uppercase; color:var(--wood); margin-top:6px; }
.member .bio{ color:var(--grey-500); font-size:.9rem; margin-top:12px; }
.member .cred{ font-size:.78rem; color:var(--grey-700); margin-top:10px; border-top:1px solid var(--grey-100); padding-top:10px; }
.member .m-links{ display:flex; flex-wrap:wrap; gap:10px; margin-top:14px; }
.member .m-link{
  display:inline-flex; align-items:center; gap:7px;
  font-size:.74rem; letter-spacing:.04em; color:var(--grey-500);
  border:1px solid var(--grey-200); padding:.5em .8em;
  transition:border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}
.member .m-link svg{ flex:0 0 auto; }
.member .m-link:hover{ border-color:var(--wood); color:var(--wood); }
.member .m-link:hover svg{ color:var(--wood); }

/* =================================================================
   CLIENTS MARQUEE
   ================================================================= */
.marquee{ overflow:hidden; border-block:1px solid var(--grey-100); padding-block:38px; }
.marquee-track{ display:flex; gap:clamp(48px,7vw,110px); width:max-content; animation:marq 32s linear infinite; }
.marquee:hover .marquee-track{ animation-play-state:paused; }
.marquee-track span{ font-size:clamp(1.2rem,2.2vw,1.8rem); font-weight:600; color:var(--grey-300); letter-spacing:-.02em; white-space:nowrap; transition:color .3s var(--ease); display:inline-flex; align-items:center; }
.marquee-track span:hover{ color:var(--ink); }
.marquee-track span.client-logo{ }
.marquee-track span.client-logo img{
  height:clamp(34px,4vw,52px); width:auto; max-width:180px; object-fit:contain;
  filter:grayscale(1); opacity:.55; transition:filter .3s var(--ease), opacity .3s var(--ease);
}
.marquee-track span.client-logo:hover img{ filter:grayscale(0); opacity:1; }
@keyframes marq{ to{ transform:translateX(-50%); } }

/* =================================================================
   VALUES
   ================================================================= */
.value{ grid-column:span 4; border-top:2px solid var(--ink); padding-top:24px; }
.value .v-no{ font-size:.8rem; color:var(--wood); font-weight:600; letter-spacing:.1em; }
.value h3{ font-size:clamp(1.3rem,2vw,1.7rem); margin:.6em 0 .5em; }
.value p{ color:var(--grey-500); font-size:.96rem; }

/* =================================================================
   CTA BAND
   ================================================================= */
.cta{ position:relative; overflow:hidden; background:var(--ink); color:#fff; }
.cta .bg{ position:absolute; inset:0; opacity:.28; }
.cta .bg img{ width:100%;height:100%;object-fit:cover; }
.cta .inner{ position:relative; z-index:2; padding-block:clamp(80px,12vw,160px); }
.cta h2{ color:#fff; max-width:18ch; }
.cta .lead{ color:rgba(255,255,255,.74); margin-top:1.2em; }
.cta .btn{ background:#fff; color:var(--ink); border-color:#fff; margin-top:2.4em; }
.cta .btn:hover{ background:var(--wood); border-color:var(--wood); color:#fff; }

/* =================================================================
   CONTACT
   ================================================================= */
.contact-grid .col-info{ grid-column:1 / span 5; }
.contact-grid .col-form{ grid-column:7 / span 6; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:24px; }
.field label{ font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--grey-500); }
.field input,.field textarea,.field select{
  font-family:inherit; font-size:1rem; color:var(--ink);
  border:0; border-bottom:1px solid var(--grey-200); background:transparent;
  padding:12px 0; transition:border-color .3s var(--ease);
}
.field input:focus,.field textarea:focus,.field select:focus{ outline:0; border-color:var(--wood); }
.field textarea{ resize:vertical; min-height:120px; }
.contact-item{ border-top:1px solid var(--grey-100); padding:22px 0; }
.contact-item .k{ font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--grey-500); margin-bottom:8px; }
.contact-item .v{ font-size:1.05rem; color:var(--ink); }
.contact-item a:hover{ color:var(--wood); }
.form-note{ font-size:.82rem; color:var(--grey-500); margin-top:8px; }

/* =================================================================
   FOOTER
   ================================================================= */
.site-footer{ background:var(--ink); color:rgba(255,255,255,.72); padding-top:clamp(64px,8vw,110px); }
.site-footer a:hover{ color:#fff; }
.footer-top{ padding-bottom:clamp(48px,6vw,80px); border-bottom:1px solid rgba(255,255,255,.12); }
.footer-top .f-brand{ grid-column:1 / span 5; }
.footer-top .f-brand .big{ font-size:clamp(1.8rem,3vw,2.6rem); color:#fff; font-weight:700; letter-spacing:-.03em; max-width:14ch; line-height:1.05; }
.footer-col{ grid-column:span 2; }
.footer-col h4{ font-size:.72rem; letter-spacing:.18em; text-transform:uppercase; color:rgba(255,255,255,.45); margin-bottom:18px; font-weight:600; }
.footer-col li{ margin-bottom:10px; font-size:.92rem; }
.footer-col.wide{ grid-column:span 3; }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px; padding-block:30px; font-size:.78rem; letter-spacing:.04em; color:rgba(255,255,255,.5); }

/* =================================================================
   RESPONSIVE
   ================================================================= */
@media(max-width:1080px){
  .split .col-l,.split.flip .col-l{ grid-column:1 / -1; }
  .split .col-r,.split.flip .col-r{ grid-column:1 / -1; }
  .split .col-r{ margin-top:36px; }
  .member{ grid-column:span 6; }
  .footer-col{ grid-column:span 4; }
  .footer-top .f-brand{ grid-column:1 / -1; margin-bottom:40px; }
}
@media(max-width:980px){
  /* contact details move out of the centre on tighter widths */
  .tb-center{ display:none; }
  .topbar-inner{ grid-template-columns:1fr auto; }
}
@media(max-width:1080px){
  .proj{ grid-column:span 6; }   /* 3 -> 2 columns on tablet */
}
@media(max-width:860px){
  .nav{ display:none; }
  .burger{ display:flex; }
  .site-header{ justify-content:flex-end; }
  .site-header::before{ display:none; }
  .stat{ grid-column:span 6; border-top:1px solid var(--grey-100); }
  .stat:nth-child(-n+2){ border-top:0; }
  .stat:nth-child(odd){ border-left:0; }
  .svc-card{ grid-column:1 / -1; }
  .proj{ grid-column:1 / -1; }
  .value{ grid-column:1 / -1; }
  .contact-grid .col-info,.contact-grid .col-form{ grid-column:1 / -1; }
  .contact-grid .col-form{ margin-top:40px; }
  .svc-row{ grid-template-columns:50px 1fr; }
  .svc-row .go{ display:none; }
  .svc-row .desc{ display:none; }
}
@media(max-width:680px){
  :root{ --topbar-h:54px; }
  .tb-brand .name{ font-size:.98rem; }
  .topbar-inner{ gap:12px; }
}
@media(max-width:420px){
  .tb-brand .name{ display:none; }
  .lang-toggle{ padding:.45em .7em; }
}
@media(max-width:560px){
  .member{ grid-column:1 / -1; }
  .footer-col{ grid-column:span 6; }
  .hero-actions .btn{ flex:1; justify-content:center; }
  .slider-count{ display:none; }
}
@media(prefers-reduced-motion:reduce){
  *{ animation-duration:.001s !important; transition-duration:.001s !important; }
  .reveal{ opacity:1; transform:none; }
}

/* =================================================================
   RTL / ARABIC SUPPORT
   ================================================================= */
:root{ --sans-ar:"Noto Kufi Arabic","Segoe UI","Tahoma",var(--sans); }

html.rtl{ direction:rtl; }
html.rtl body{ font-family:var(--sans-ar); }
html.rtl .display,
html.rtl h1, html.rtl h2, html.rtl h3, html.rtl h4{ letter-spacing:0; }
html.rtl .eyebrow,
html.rtl .nav a,
html.rtl .btn,
html.rtl .link-arrow,
html.rtl .lbl,
html.rtl .cat,
html.rtl .role,
html.rtl .breadcrumb,
html.rtl .dd-head,
html.rtl .imgcap,
html.rtl .field label,
html.rtl .contact-item .k,
html.rtl .footer-col h4,
html.rtl .s-ct{ letter-spacing:0; }

/* Eyebrow underline flips to the right */
html.rtl .eyebrow::before{ /* stays as inline-flex gap; direction handles order */ }

/* Topbar three-zone keeps logo on the (visual) right in RTL automatically via grid + dir */
html.rtl .tb-brand{ justify-self:start; }
html.rtl .tb-right{ justify-self:end; }

/* Nav underline + dropdown alignment */
html.rtl .nav a::after{ left:auto; right:0; }
html.rtl .dropdown{ left:auto; right:50%; transform:translate(50%,12px); }
html.rtl .nav-item:hover .dropdown,
html.rtl .nav-item:focus-within .dropdown{ transform:translate(50%,8px); }
html.rtl .dropdown a{ text-align:right; }

/* Arrows that imply direction get mirrored */
html.rtl .btn .arr,
html.rtl .link-arrow .arr,
html.rtl .hero-actions .arr{ display:inline-block; transform:scaleX(-1); }
html.rtl .btn:hover .arr{ transform:scaleX(-1) translateX(5px); }
html.rtl .link-arrow:hover .arr{ transform:scaleX(-1) translateX(5px); }
html.rtl .dd-all{ } /* → literal flips naturally with scaleX on .arr only; handled inline below */

/* Service detail prev/next swap sides */
html.rtl .svc-prevnext .pn-next{ margin-left:0; margin-right:auto; text-align:left; align-items:flex-start; }

/* Stat / value left borders become right borders */
html.rtl .stat{ border-left:0; border-right:1px solid var(--grey-100); }
html.rtl .stat:first-child{ border-right:0; }

/* Side card + cap list numbers */
html.rtl .cap-list li{ grid-template-columns:36px 1fr; }

/* CTA / hero text already align via dir; ensure hero anchors left edge in RTL */
html.rtl .scroll-hint{ left:auto; right:var(--edge); }
html.rtl .slider-controls{ right:auto; left:0; }
html.rtl .progress span{ /* fills from right in RTL automatically */ }

/* Footer columns text */
html.rtl .footer-bottom{ }

/* keep phone numbers & email LTR even in RTL */
html.rtl .tb-item[href^="tel"] span,
html.rtl .tb-item[href^="mailto"] span,
html.rtl .contact-item .v a[href^="tel"],
html.rtl .contact-item .v a[href^="mailto"]{ direction:ltr; unicode-bidi:embed; display:inline-block; }

/* mobile language button position */
html.rtl .mobile-nav .mn-lang{ align-self:flex-end; }

@media(max-width:980px){
  html.rtl .topbar-inner{ grid-template-columns:auto 1fr; }
}