/* UnityCores v2 — one stylesheet, RTL-aware (logical properties everywhere) */
:root{
  --ink:#0f1b26;--ink-2:#22313c;--muted:#4a5a68;--line:#dfe6e5;--bg:#f3f5f4;--white:#fff;--tint:#f5f7fb;
  --dark:#06141f;--dark-2:#081a27;--dark-line:#16303f;--navy:#0b2b42;--teal:#0d7a78;--teal-d:#0a5f5d;--mint:#5eead4;--gold:#e7b85d;
  --on-dark:#fff;--on-dark-muted:#b9ccd8;--radius:16px;--wrap:1240px;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;--ar:'Almarai','Tahoma','IBM Plex Sans',system-ui,sans-serif;--mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--sans)}
html[lang="ar"] body{font-family:var(--ar);line-height:1.85;font-size:16.5px}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3,html[lang="ar"] strong,html[lang="ar"] b{font-weight:800}
html[lang="ar"] .btn,html[lang="ar"] .chip,html[lang="ar"] .site-nav{font-weight:700}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal)}a:hover{color:var(--teal-d)}
:focus-visible{outline:3px solid var(--mint);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:40px}
.mono{font-family:var(--mono)}
.skip{position:absolute;inset-inline-start:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{inset-inline-start:8px}
.ic{flex:none}
html[dir="rtl"] .ic.flip{transform:scaleX(-1)}
.hp{position:absolute!important;inset-inline-start:-9999px!important;width:1px;height:1px;overflow:hidden}

/* type */
.h-hero{margin:0;font-size:clamp(2.3rem,4.6vw,3.9rem);line-height:1.05;font-weight:600;letter-spacing:-.03em;color:var(--on-dark)}
html[lang="ar"] .h-hero{letter-spacing:0;line-height:1.3}
.h-xl{margin:.4rem 0 0;font-size:clamp(1.9rem,3.2vw,2.75rem);line-height:1.12;font-weight:600;letter-spacing:-.025em}
.h-lg{margin:0 0 1.5rem;font-size:clamp(1.5rem,2.4vw,1.9rem);line-height:1.2;font-weight:600;letter-spacing:-.02em}
html[lang="ar"] .h-xl,html[lang="ar"] .h-lg{letter-spacing:0;line-height:1.4}
.eyebrow{margin:0;font:500 13px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--teal)}
html[lang="ar"] .eyebrow{font-family:var(--ar);font-weight:600;letter-spacing:0;font-size:14px}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);line-height:1.65;margin:1.25rem 0 0;max-width:620px}
.body-lg{font-size:17px;line-height:1.7;color:var(--ink-2);margin:1.25rem 0 0}
.muted{color:var(--muted);max-width:430px;margin:0}
.narrow{max-width:780px}
.on-dark{color:var(--on-dark)}.on-dark-muted{color:var(--on-dark-muted)}.on-dark-accent{color:var(--mint)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;border-radius:10px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2}
.btn-sm{min-height:42px;padding:0 16px}
.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-d);color:#fff}
.btn-ghost{color:#e6f1f0;border-color:#2f4b5e}.btn-ghost:hover{color:#fff;border-color:var(--mint)}
.btn-outline{color:var(--ink);border-color:#c9d4d3;background:#fff}.btn-outline:hover{border-color:var(--teal);color:var(--teal)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{color:#fff;background:#000}
.btn-accent{background:var(--accent,#5eead4);color:var(--hero,#0b2b42);font-weight:700}.btn-accent:hover{filter:brightness(1.05);color:var(--hero)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:2rem}

/* header */
.site-header{position:relative;z-index:20;background:var(--dark)}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.brand:hover{color:#fff}
.brand-mark{width:36px;height:36px;border-radius:8px;background:var(--navy);border:1px solid var(--teal);display:grid;place-items:center;font:700 14px var(--sans);color:#e8f3f2;letter-spacing:-.02em}
.brand-name{font-weight:600;font-size:18px}
.site-nav{display:flex;align-items:center;gap:26px;font-size:15px}
.site-nav a:not(.btn){color:#cfe0e8;text-decoration:none;padding:6px 0}
.site-nav a:not(.btn):hover,.site-nav a[aria-current]{color:#fff}
.site-nav a[aria-current]{box-shadow:inset 0 -2px 0 var(--mint)}
.lang-switch{font-family:var(--ar)}
html[lang="ar"] .lang-switch{font-family:var(--sans)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid #2f4b5e;background:transparent;color:#fff;cursor:pointer;align-items:center;justify-content:center}

/* home hero */
.hero{position:relative;background:var(--dark);color:var(--on-dark);overflow:hidden}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(#0f2636 1px,transparent 1px),linear-gradient(90deg,#0f2636 1px,transparent 1px);background-size:64px 64px;opacity:.5}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:56px 80px}
.orbit{position:relative;width:100%;max-width:480px;aspect-ratio:1;margin-inline:auto}
.orbit .ring{position:absolute;border-radius:50%}
.orbit .r1{inset:0;border:1px solid #1d3a4d}.orbit .r2{inset:16%;border:1px dashed #23506a}
.orbit .core{position:absolute;inset:33%;border-radius:50%;background:var(--navy);border:1px solid var(--teal);box-shadow:0 0 0 10px rgba(13,122,120,.12);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.orbit .core b{font-size:34px;color:#e8f3f2;letter-spacing:-.03em;font-family:var(--sans)}
.orbit .core small{font-size:11px;color:#8fd3ca;letter-spacing:.08em}
.orbit .node{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#0b1d2b;border:1px solid #2a4a5f;white-space:nowrap;font-size:14px;font-weight:500;color:#e6f1f0}
.orbit .node i{width:8px;height:8px;border-radius:50%}
@media (prefers-reduced-motion:no-preference){.orbit .r2{animation:spin 80s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}}
.facts{position:relative;border-top:1px solid var(--dark-line);background:var(--dark-2)}
.facts-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--dark-line)}
.facts-grid>div{background:var(--dark-2);padding:26px 24px;display:flex;flex-direction:column;gap:4px}
.facts-grid strong{font-size:22px;font-weight:600;color:#fff}
.facts-grid span{font-size:14px;color:#9fb6c4}

/* sections */
.section{padding-block:96px}
.section-white{background:#fff;border-block:1px solid var(--line)}
.section-dark{background:var(--dark);color:var(--on-dark)}
.section-top{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:64px;align-items:start}
.values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.value{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.value-ic{width:40px;height:40px;border-radius:10px;background:#e8f3f2;color:var(--teal);display:grid;place-items:center}
.value h3{margin:16px 0 0;font-size:19px;font-weight:600}
.value p{margin:8px 0 0;font-size:15px;color:#3d4c58}
.caps{border-top:1px solid var(--ink)}
.cap{display:grid;grid-template-columns:64px minmax(0,1.1fr) minmax(0,1.3fr) minmax(0,.9fr);gap:28px;padding-block:30px;border-bottom:1px solid var(--line)}
.cap h3{margin:0;font-size:23px;line-height:1.3;font-weight:600}
.cap p{margin:10px 0 0;color:#3d4c58;font-size:15px}
.cap ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:15px;color:var(--ink-2)}
.cap li{display:flex;gap:10px}.cap li::before{content:"—";color:var(--teal)}
.cap-no{color:var(--teal);font-size:15px}
.cap-stack{margin:0;font-size:12px;line-height:1.8;color:var(--muted)}
.tech{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.tech-group{padding:22px;border:1px solid var(--line);border-radius:12px;background:#fff}
.tech-k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
html[lang="ar"] .tech-k{font-family:var(--ar);font-size:14px;letter-spacing:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chips span{padding:6px 10px;border-radius:6px;background:var(--bg);font-size:14px;font-weight:500}
.roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--dark-line);border:1px solid var(--dark-line);border-radius:14px;overflow:hidden}
.roles>div{background:var(--dark-2);padding:22px;display:flex;flex-direction:column;gap:6px}
.roles strong{color:#fff;font-size:16px;font-weight:600}.roles span{font-size:14px;color:#9fb6c4}
.steps{margin:40px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.steps li{padding:26px 22px;border-top:2px solid var(--ink)}
.steps .mono{color:var(--teal);font-size:13px}
.steps strong{display:block;font-size:20px;font-weight:600;margin-top:10px}
.steps p{margin:10px 0 0;font-size:15px;color:#3d4c58}
.sectors-h{margin-top:72px}
.sector-chips{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
.sector-chips li{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 18px;border:1px solid #d5dedd;border-radius:999px;background:#fff;font-size:15px;font-weight:500}
.sector-chips i{width:8px;height:8px;border-radius:50%}
.ai-box{padding:40px;border-radius:var(--radius);background:#e8f3f2;border:1px solid #c6e3df;gap:40px}
.ai-box .eyebrow{color:var(--teal-d)}
.terminal{background:var(--dark);color:#b9ccd8;border-radius:12px;padding:24px;font-size:13px;line-height:2}
.terminal b{color:var(--mint);font-weight:500}.terminal em{color:var(--gold);font-style:normal}.terminal i{color:#6f8796;font-style:normal}
.terminal a{color:#e6f1f0;text-decoration:none}.terminal a:hover{text-decoration:underline}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card-project{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.card-project[hidden]{display:none}
.card-media{display:block;text-decoration:none;aspect-ratio:16/9;background:var(--navy);border-bottom:1px solid var(--line);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;object-position:top left;transition:transform .4s}
html[dir="rtl"] .card-media img{object-position:top right}
.card-project:hover .card-media img{transform:scale(1.03)}
.cover{position:relative;display:flex;flex-direction:column;justify-content:space-between;height:100%;padding:20px;background:var(--dark);background-image:linear-gradient(#0f2636 1px,transparent 1px),linear-gradient(90deg,#0f2636 1px,transparent 1px);background-size:32px 32px;color:#fff;overflow:hidden}
.cover::after{content:"";position:absolute;inset-inline-end:-40px;bottom:-40px;width:160px;height:160px;border-radius:50%;border:1px solid var(--c);box-shadow:0 0 0 18px rgba(255,255,255,.03),0 0 0 40px rgba(255,255,255,.02)}
.cover .mono{font-size:11px;color:#8fd3ca;line-height:1.5;position:relative}
html[lang="ar"] .cover .mono{font-family:var(--ar);font-size:12px}
.cover b{position:relative;font-size:22px;line-height:1.2;font-weight:600;max-width:85%}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
html[lang="ar"] .card-meta{letter-spacing:0;text-transform:none;font-family:var(--ar);font-size:13px}
html[lang="ar"] .card-meta .mono{font-family:var(--ar)}
.badge-new{background:#fdf3d8;color:#7a5306;border-radius:999px;padding:2px 10px;font:600 12px var(--sans);text-transform:none;letter-spacing:0}
.card-body h3{margin:0;font-size:20px;line-height:1.3;font-weight:600}
.card-body h3 a{color:var(--ink);text-decoration:none}.card-body h3 a:hover{color:var(--teal)}
.card-body p{margin:0;font-size:15px;color:#3d4c58;flex:1}
.card-links{display:flex;gap:18px;flex-wrap:wrap;padding-top:10px;border-top:1px solid #edf1f0;font-size:14px;font-weight:600}
.card-links a{display:inline-flex;align-items:center;gap:6px;min-height:40px;text-decoration:none}
.muted-link{color:#3d4c58!important}

/* page hero (work, 404) */
.page-hero{background:var(--dark);color:var(--on-dark);padding-block:56px 72px}
.crumbs{font-size:13px;color:#8fd3ca;margin-bottom:16px}
.crumbs a{color:#cfe0e8;text-decoration:none}.crumbs a:hover{color:#fff}
html[lang="ar"] .crumbs{font-family:var(--ar)}
.filters{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
.filter-row{display:flex;gap:8px;flex-wrap:wrap;padding-block:14px}
.chip{min-height:44px;padding:0 16px;border-radius:999px;font:500 14px inherit;font-family:inherit;cursor:pointer;background:#fff;color:var(--ink);border:1px solid #c9d4d3}
.chip.is-on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip .mono{opacity:.7;font-size:12px}

/* project story */
.p-hero{background:var(--hero,#0b2b42);color:var(--on-dark);overflow:hidden}
.p-hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:end;padding-block:48px 0}
.p-hero.is-wide .p-hero-grid{grid-template-columns:minmax(0,1fr);padding-bottom:40px}
.p-hero-copy{padding-bottom:56px}
.p-hero.is-wide .p-hero-copy{padding-bottom:0;max-width:880px}
.p-tagline{margin:12px 0 0;font-size:clamp(1.2rem,2vw,1.6rem);line-height:1.35;font-weight:500;color:#dbe8ee}
.p-badges{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0;padding:0;list-style:none}
.p-badges li{padding:7px 12px;border-radius:8px;background:rgba(255,255,255,.08);font-size:13px;color:#e6f1f0}
html[lang="ar"] .p-badges li{font-family:var(--ar)}
.p-hero-media{margin:0;align-self:end}
.p-hero-media img{width:100%;border-radius:14px 14px 0 0;border:1px solid rgba(255,255,255,.12);border-bottom:0;box-shadow:0 30px 60px rgba(0,0,0,.35);background:#fff}
.p-hero-media.is-cutout{display:flex;justify-content:center;position:relative}
.p-hero-media.is-cutout::before{content:"";position:absolute;width:min(440px,90%);aspect-ratio:1;bottom:30px;border-radius:50%;background:radial-gradient(circle,#1d4ed8 0%,transparent 68%);opacity:.7}
.p-hero-media.is-cutout img{position:relative;width:auto;max-height:520px;border:0;box-shadow:none;background:none;border-radius:0}
.p-hero-media.is-wide img{border-radius:14px 14px 0 0}
.story-bar{position:sticky;top:0;z-index:15;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.story-progress{height:3px;background:#e6eceb}.story-progress span{display:block;height:3px;width:0;background:var(--accent,#0d7a78);transition:width .15s}
.story-bar-row{display:flex;align-items:center;gap:14px;padding-block:8px}
.story-count{font-size:13px;color:var(--muted);white-space:nowrap}.story-count b{color:var(--ink)}
.story-pills{display:flex;gap:6px;overflow-x:auto;flex:1;min-width:0;scrollbar-width:none}
.story-pills::-webkit-scrollbar{display:none}
.story-pills a{white-space:nowrap;display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:999px;font-size:13px;text-decoration:none;background:var(--bg);color:var(--ink-2)}
.story-pills a.is-active{background:var(--hero,#0b2b42);color:#fff}
.story-actions{display:flex;gap:6px}
.story-actions button{display:inline-flex;align-items:center;gap:6px;height:40px;min-width:40px;justify-content:center;padding:0 10px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font:600 13px inherit;font-family:inherit;cursor:pointer}
.story-actions button:hover{border-color:var(--teal)}
.story-actions button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.p-summary{padding-block:48px 8px}
.p-summary-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:start}
.p-summary-grid .body-lg:first-child{margin-top:0}
.thumbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
.thumb{padding:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;cursor:zoom-in;aspect-ratio:16/10}
.thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.facts-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.facts-box h2{margin:0;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal);font-weight:500}
html[lang="ar"] .facts-box h2{font-family:var(--ar);font-size:14px;letter-spacing:0}
.facts-box dl{margin:14px 0 0;display:grid;gap:12px}
.facts-box dt{font-size:13px;color:var(--muted)}.facts-box dd{margin:2px 0 0;font-weight:600;font-size:15px}
.facts-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-weight:600;font-size:14px}
.facts-links a{display:inline-flex;align-items:center;gap:6px;text-decoration:none;min-height:36px}
.stack{margin:16px 0 0;font-size:12px;line-height:1.8;color:var(--muted)}
.story-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:40px;padding-block:48px 96px;align-items:start}
.story-toc{position:sticky;top:76px;display:flex;flex-direction:column}
.story-toc p{margin:0 0 8px;padding-inline:10px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
html[lang="ar"] .story-toc p{font-family:var(--ar);letter-spacing:0;font-size:13px}
.story-toc a{display:flex;gap:10px;align-items:baseline;min-height:36px;padding:6px 10px;border-radius:8px;font-size:14px;color:#3d4c58;text-decoration:none}
.story-toc a .mono{font-size:12px;color:var(--teal)}
.story-toc a:hover{background:#e6eceb;color:var(--ink)}
.story-toc a.is-active{background:#fff;color:var(--ink);box-shadow:inset 3px 0 0 var(--accent)}
html[dir="rtl"] .story-toc a.is-active{box-shadow:inset -3px 0 0 var(--accent)}
.chapters{display:grid;gap:28px;min-width:0}
.chapter{border-radius:20px;padding:48px;background:#fff;border:1px solid var(--line);scroll-margin-top:72px}
.chapter.theme-tint{background:var(--tint)}
.chapter.theme-dark{background:var(--hero,#0b2b42);border-color:transparent;color:#e6f1f0}
.chapter h2{margin:12px 0 0;font-size:clamp(1.6rem,2.6vw,2.35rem);line-height:1.15;font-weight:600;letter-spacing:-.02em;max-width:820px}
html[lang="ar"] .chapter h2{letter-spacing:0;line-height:1.4}
.chapter.theme-dark h2{color:#fff}
.ch-kicker{margin:0;font-size:13px;color:var(--teal)}
html[lang="ar"] .ch-kicker{font-family:var(--ar);font-size:14px;font-weight:600}
.theme-dark .ch-kicker{color:var(--accent)}
.ch-body{margin:14px 0 0;font-size:17px;line-height:1.7;color:var(--ink-2);max-width:800px}
.theme-dark .ch-body{color:#c3d6e0}
.ch-media{margin:28px 0 0}
.ch-media img{width:100%;border-radius:14px;border:1px solid var(--line);cursor:zoom-in;background:#fff}
.theme-dark .ch-media img{border-color:transparent}
.ch-media.is-cutout img{border:0;background:none;max-width:360px;margin-inline:auto}
.ch-side{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:40px;align-items:center}
.ch-side .ch-media{margin:0}
.ch-list{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:15px}
.ch-list li{display:flex;gap:10px}.ch-list li::before{content:"—";color:var(--accent)}
.ch-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:24px}
.ch-card{border-radius:12px;border:1px solid var(--line);background:#fff;padding:18px;display:flex;flex-direction:column;gap:6px}
.ch-card strong{font-size:16px}.ch-card span{font-size:14px;color:#3d4c58}
.theme-tint .ch-card{background:#fff}
.theme-dark .ch-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1)}
.theme-dark .ch-card strong{color:#fff}.theme-dark .ch-card span{color:#b9ccd8}
.ch-card.is-warn{background:#fdf3d8;border-color:#f1d48b}
.ch-steps{margin:24px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.ch-steps li{border-radius:12px;background:var(--tint);border:1px solid var(--line);padding:18px;display:flex;flex-direction:column;gap:6px}
.theme-dark .ch-steps li{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1)}
.step-no{width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--hero);display:grid;place-items:center;font-weight:700;font-size:14px}
.ch-steps strong{font-size:16px;margin-top:6px}.ch-steps span:last-child{font-size:14px;color:#3d4c58}
.theme-dark .ch-steps strong{color:#fff}.theme-dark .ch-steps span:last-child{color:#b9ccd8}
.ch-code{margin:20px 0 0;padding:16px 18px;border-radius:10px;background:var(--dark);color:#cfe0e8;font-size:14px;overflow-x:auto;text-align:left}
/* reused story markup */
.legacy .section-head{display:flex;gap:18px;align-items:flex-start}
.legacy .section-no{font:500 13px var(--mono);color:var(--teal);padding-top:6px;min-width:24px}
.legacy h2{margin-top:0}
.legacy .lead{color:var(--ink-2);max-width:800px;font-size:17px;margin-top:12px}
.legacy h3{font-size:17px;margin:0 0 6px;font-weight:600}
.legacy p{color:#3d4c58}
.legacy .grid-2,.legacy .grid-3,.legacy .grid-4,.legacy .metrics,.legacy .module-map{display:grid;gap:12px;margin-top:24px}
.legacy .grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.legacy .grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.legacy .grid-4,.legacy .metrics,.legacy .module-map{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.legacy .card,.legacy .module-group,.legacy .metric{border-radius:12px;border:1px solid var(--line);background:#fff;padding:18px}
.legacy .card p,.legacy .module-group p{margin:0;font-size:14px}
.legacy .metric strong{display:block;font-size:22px;color:var(--teal)}
.legacy .metric span{font-size:14px;color:#3d4c58}
.legacy .callout{margin-top:20px;padding:16px 18px;border-radius:12px;background:#e8f3f2;border:1px solid #c6e3df;font-size:15px}
.legacy ul.clean{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.legacy ul.clean li{display:flex;gap:10px;font-size:15px}.legacy ul.clean li::before{content:"—";color:var(--teal)}
.legacy .pill-wrap{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.legacy .pill{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:14px}
.legacy .gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px}
.legacy .gallery.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.legacy .figure{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff}
.legacy .figure img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;cursor:zoom-in}
.legacy figcaption{padding:10px 14px;font-size:13px;color:var(--muted)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-top:10px}
.faq summary{font-size:17px;font-weight:600;cursor:pointer}
.faq details p{margin:12px 0 0;color:#3d4c58}
.next-story{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;border-radius:20px;background:var(--dark);color:#e6f1f0;padding:36px 40px}
.next-story p{margin:0;font-size:13px;color:var(--mint)}
.next-story a:not(.btn){display:inline-flex;align-items:center;gap:10px;margin-top:6px;font-size:clamp(1.3rem,2vw,1.75rem);font-weight:600;color:#fff;text-decoration:none}
.zoom{position:fixed;inset:0;z-index:50;background:rgba(6,20,31,.92);display:grid;place-items:center;padding:24px}
.zoom[hidden]{display:none}
.zoom img{max-width:min(1400px,100%);max-height:90vh;border-radius:10px;background:#fff}
.zoom-close{position:absolute;top:16px;inset-inline-end:16px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;font-size:24px;cursor:pointer}

/* contact + footer */
.contact{background:var(--navy);color:var(--on-dark);padding-block:88px}
.contact .split{gap:48px}
.contact-form{display:grid;gap:14px;background:var(--dark);border:1px solid #23415a;border-radius:14px;padding:28px}
.contact-form label{display:grid;gap:6px;font-size:14px;color:#c3d6e0}
.contact-form input,.contact-form textarea{min-height:46px;border-radius:8px;border:1px solid #2f4b5e;background:#0b1d2b;color:#fff;padding:10px 12px;font:inherit}
.form-status{margin:0;font-size:14px;color:var(--mint);min-height:1em}
.site-footer{background:var(--navy);border-top:1px solid #23415a;color:#9fb6c4;font-size:14px}
.footer-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:24px}
.footer-row p{margin:0}
.footer-row nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-row a{color:#cfe0e8;text-decoration:none}.footer-row a:hover{color:#fff}

/* responsive */
@media (max-width:1080px){
  .cap{grid-template-columns:48px minmax(0,1fr) minmax(0,1fr)}.cap-stack{grid-column:2/-1}
  .story-layout{grid-template-columns:minmax(0,1fr)}.story-toc{display:none}
  .story-actions button span{display:none}
}
@media (max-width:900px){
  .wrap{padding-inline:16px}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;position:absolute;inset-inline:0;top:76px;flex-direction:column;align-items:stretch;gap:0;background:var(--dark);padding:8px 16px 20px;border-top:1px solid var(--dark-line)}
  .site-nav.is-open{display:flex}
  .site-nav a:not(.btn){padding:12px 0;border-bottom:1px solid var(--dark-line)}
  .site-nav .btn{margin-top:12px;justify-content:center}
  .hero-grid,.split,.p-hero-grid,.p-summary-grid,.ch-side{grid-template-columns:minmax(0,1fr)}
  .orbit{max-width:340px}.orbit .node{font-size:12px;padding:6px 10px}
  .facts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .values,.tech,.roles,.cards,.legacy .grid-2,.legacy .grid-3,.legacy .gallery,.legacy .gallery.three{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cap{grid-template-columns:minmax(0,1fr);gap:12px}.cap-stack{grid-column:auto}
  .section{padding-block:64px}
  .chapter{padding:28px 20px;border-radius:16px}
  .p-hero-copy{padding-bottom:32px}
  .p-hero-media.is-cutout img{max-height:380px}
  .story-count{display:none}
  .ai-box{padding:24px}
}
@media (max-width:560px){.steps{grid-template-columns:minmax(0,1fr)}.story-actions [data-act="tour"],.story-actions [data-act="print"]{display:none}}
@media print{
  .site-header,.story-bar,.story-toc,.contact,.site-footer,.next-story,.btn-row,.zoom{display:none!important}
  .story-layout{grid-template-columns:1fr}.chapter{break-inside:avoid;border:0;padding:12px 0}
  .p-hero,.chapter.theme-dark{background:#fff!important;color:#000!important}.h-hero,.chapter h2,.lead,.ch-body{color:#000!important}
}

/* ───────── App-like experience on phones & tablets ───────── */
.tabbar,.m-lang{display:none}
@media (max-width:900px){
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  /* compact sticky app bar */
  .site-header{position:sticky;top:0;z-index:30;background:rgba(6,20,31,.94);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--dark-line);padding-top:env(safe-area-inset-top,0px)}
  .nav-row{min-height:56px}
  .brand-mark{width:32px;height:32px;font-size:13px}.brand-name{font-size:17px}
  .nav-toggle,.site-nav,.site-nav.is-open{display:none!important}
  .m-lang{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid #2f4b5e;color:#e6f1f0;text-decoration:none;font-size:14px;font-weight:600}
  html[lang="ar"] .m-lang{font-family:var(--sans)}
  html[lang="en"] .m-lang{font-family:var(--ar)}
  /* bottom tab bar */
  .tabbar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;inset-inline:0;bottom:0;z-index:40;background:rgba(6,20,31,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--dark-line);padding:6px max(8px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-left,0px))}
  .tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:52px;border-radius:12px;color:#8ea6b5;text-decoration:none;font-size:11px;font-weight:600;transition:color .15s,background .15s}
  html[lang="ar"] .tabbar a{font-size:12px}
  .tabbar a.is-active{color:var(--mint);background:rgba(94,234,212,.08)}
  .tabbar a:active{transform:scale(.94)}
  /* sections become stacked app screens */
  .section{padding-block:44px}
  .h-hero{font-size:clamp(2rem,8vw,2.6rem)}
  .h-xl{font-size:clamp(1.6rem,6.4vw,2rem)}
  .hero-grid{padding-block:28px 36px;gap:24px}
  .orbit{max-width:300px}
  .lead{font-size:1.02rem}
  .btn-row{margin-top:1.4rem}
  .btn-row .btn{flex:1 1 auto;justify-content:center}
  .split{gap:28px}
  /* capability cards */
  .caps{border-top:0;display:grid;gap:12px}
  .cap{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;gap:10px;box-shadow:0 1px 2px rgba(15,27,38,.04)}
  .section-white .cap{background:var(--bg)}
  .cap-no{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:#e8f3f2}
  /* project cards */
  .card-project{border-radius:18px;box-shadow:0 1px 2px rgba(15,27,38,.04)}
  .card-body{padding:18px}
  .card-project:active{transform:scale(.99)}
  .filters{top:calc(57px + env(safe-area-inset-top,0px))}
  .story-bar{top:calc(57px + env(safe-area-inset-top,0px))}
  .story-toc{display:none}
  .chapter{border-radius:20px}
  .contact{padding-block:48px}
  .contact-form{border-radius:18px;padding:20px}
  .site-footer .footer-row{flex-direction:column;gap:10px;padding-block:20px}
  .zoom-close{top:calc(16px + env(safe-area-inset-top,0px))}
}
/* horizontal swipe rails (phones) */
.scroll-x{scrollbar-width:none}
.scroll-x::-webkit-scrollbar,.rail-m::-webkit-scrollbar{display:none}
@media (max-width:700px){
  .rail-m{display:flex!important;flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px!important;margin-inline:-16px;padding-inline:16px;scroll-padding-inline:16px;padding-bottom:6px;scrollbar-width:none;background:none!important;border:0!important;border-radius:0!important;-webkit-overflow-scrolling:touch}
  .rail-m>*{flex:0 0 78%;scroll-snap-align:start;min-width:0}
  .rail-m.rail-wide>*{flex-basis:86%}
  .facts .rail-m{padding-block:16px}
  .facts-grid>div{border-radius:16px;border:1px solid var(--dark-line);flex-basis:62%}
  .roles>div{border-radius:16px;border:1px solid var(--dark-line)}
  .steps li{background:#fff;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:16px}
  .tech-group{border-radius:16px}
  .value{border-radius:18px}
  .thumbs .thumb{flex-basis:70%}
  .scroll-x{display:flex!important;flex-wrap:nowrap!important;overflow-x:auto;margin-inline:-16px;padding-inline:16px}
  .scroll-x>*{flex:0 0 auto;white-space:nowrap}
  .filter-row{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-16px;padding-inline:16px}
  .filter-row .chip{flex:0 0 auto;white-space:nowrap}
  .cards-3{grid-template-columns:minmax(0,1fr)}
  .story-actions [data-act="share"] span,.story-actions [data-act="read"] span{display:none}
  .p-hero-copy .btn-row .btn{flex:1 1 100%}
}
/* tablets: two-up cards, rails off */
@media (min-width:701px) and (max-width:900px){
  .cards,.cards-3,.values,.tech,.roles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .p-summary-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){.tabbar a,.card-project{transition:none}.tabbar a:active,.card-project:active{transform:none}}

/* ───────── Refinement: calmer type system, fewer "generated" tells ───────── */
html,body{overflow-x:clip}
.filter-row{margin-inline:0!important}
.eyebrow{font:700 14px/1.4 var(--sans);letter-spacing:0;text-transform:none;color:var(--teal);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:currentColor;opacity:.7}
html[lang="ar"] .eyebrow{font-family:var(--ar);font-size:15px}
.on-dark-accent{color:var(--mint)}
.card-meta,.card-meta .mono,.crumbs,.ch-kicker,.p-badges li,.facts-box h2,.tech-k,.story-toc p,.story-count,.chip .mono{font-family:var(--sans);text-transform:none;letter-spacing:0}
html[lang="ar"] .card-meta,html[lang="ar"] .card-meta .mono,html[lang="ar"] .crumbs,html[lang="ar"] .ch-kicker,html[lang="ar"] .p-badges li,html[lang="ar"] .facts-box h2,html[lang="ar"] .tech-k,html[lang="ar"] .story-toc p{font-family:var(--ar)}
.card-meta{font-size:13px;font-weight:600;color:var(--teal)}
.ch-kicker{font-size:14px;font-weight:700}
.facts-box h2,.tech-k,.story-toc p{font-size:14px;font-weight:700;color:var(--ink)}
.cap{grid-template-columns:52px minmax(0,1.1fr) minmax(0,1.3fr) minmax(0,.9fr)}
.cap-ic{width:44px;height:44px;border-radius:12px;background:#e8f3f2;color:var(--teal);display:grid;place-items:center}
.hero{background:radial-gradient(120% 90% at 85% 40%,#0b2b42 0%,var(--dark) 55%)}
html[dir="rtl"] .hero{background:radial-gradient(120% 90% at 15% 40%,#0b2b42 0%,var(--dark) 55%)}
.orbit .node{background:rgba(11,29,43,.92);font-weight:600}
.h-hero{font-weight:700}
html[lang="en"] .h-hero{letter-spacing:-.035em}
.value,.tech-group,.card-project,.facts-box,.ch-card{border-color:#e2e8e7}
@media (max-width:900px){.cap{grid-template-columns:minmax(0,1fr)}.cap-ic{width:40px;height:40px}}
.chapters{grid-template-columns:minmax(0,1fr)}.chapter{min-width:0}

.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[data-zoom]{cursor:zoom-in}

/* links inside text are underlined, not colour-only (accessibility) */
.crumbs a,.terminal a,.ch-body a,.legacy p a,.faq a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}