html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
/* Brand: Executive Plate (graphite, plate white, band sapphire). Layout: spec-plate hero + career span bar, then a ruled timeline and a two-column credentials grid */
:root{
  --bg:#EEF1F4; --surface:#FFFFFF; --ink:#16191D; --muted:#5A636C; --line:#D3D9DF;
  --accent:#1B4AA0; --accent-soft:#E3EAF6; --signal:#1B4AA0;
  --display:"Readex Pro","IBM Plex Sans Arabic",system-ui,sans-serif;
  --body:"IBM Plex Sans Arabic","Readex Pro",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F1215; --surface:#171B20; --ink:#EEF1F4; --muted:#9AA3AC; --line:#262C33;
  --accent:#7FA2E6; --accent-soft:#1A2640; --signal:#7FA2E6; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F1215; --surface:#171B20; --ink:#EEF1F4; --muted:#9AA3AC; --line:#262C33;
  --accent:#7FA2E6; --accent-soft:#1A2640; --signal:#7FA2E6; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
html[data-lang="ar"] [lang="en"]{display:none}
html[data-lang="en"] [lang="ar"]{display:none}
.wrap{max-width:1040px;margin-inline:auto;padding-block:28px 64px;display:grid;gap:56px}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* top bar */
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px}
.logo{height:44px;width:auto;display:block}
.fine{font-family:var(--mono);font-size:12px;color:var(--muted)}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--surface)}
.toggle button{font:500 13px var(--display);border:0;background:none;color:var(--muted);padding:6px 14px;border-radius:999px;cursor:pointer}
.toggle button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}

/* hero */
.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:end}
.hero>*{min-width:0}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 14px}
html[data-lang="ar"] .eyebrow{letter-spacing:0;font-family:var(--body);font-size:14px;font-weight:600}
h1{font-family:var(--display);font-weight:700;font-size:clamp(40px,7vw,76px);line-height:1.02;margin:0;text-wrap:balance;letter-spacing:-.02em}
html[data-lang="ar"] h1{letter-spacing:0;line-height:1.2}
.role{font-family:var(--display);font-weight:300;font-size:clamp(19px,2.4vw,24px);margin:18px 0 0;max-width:32ch;text-wrap:balance}
.role b{font-weight:500;color:var(--accent)}
.contact{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 8px 8px 14px;font-family:var(--mono);font-size:13.5px}
html[dir="rtl"] .chip{padding:8px 14px 8px 8px}
.chip span{user-select:all;direction:ltr;unicode-bidi:isolate}
.chip button{font:500 12px var(--display);border:0;background:var(--accent-soft);color:var(--accent);padding:5px 10px;border-radius:7px;cursor:pointer}
.chip a{font-family:var(--display);font-size:13px;text-decoration:none;padding-inline:4px}

/* spec plate */
.plate{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:6px 20px}
.plate dl{margin:0}
.plate div{display:flex;justify-content:space-between;gap:16px;padding-block:13px;border-bottom:1px dashed var(--line)}
.plate div:last-child{border-bottom:0}
.plate dt{font-size:13px;color:var(--muted)}
.plate dd{margin:0;font-family:var(--display);font-weight:500;text-align:end}
.plate .big{font-family:var(--mono);font-size:22px;font-variant-numeric:tabular-nums;color:var(--accent)}

/* span bar */
.span h2,.sec h2{font-family:var(--display);font-weight:500;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
html[data-lang="ar"] .span h2,html[data-lang="ar"] .sec h2{letter-spacing:0;font-size:16px}
.track{display:flex;gap:3px;height:44px;direction:ltr}
.seg{border-radius:6px;background:var(--accent);display:flex;align-items:center;padding-inline:10px;color:var(--bg);font:500 12.5px var(--display);white-space:nowrap;overflow:hidden;min-width:0}
.seg.s2{background:color-mix(in srgb,var(--accent) 72%,var(--bg))}
.seg.s3{background:color-mix(in srgb,var(--accent) 50%,var(--bg));color:var(--ink)}
.seg.s4{background:var(--signal);color:#1a1206}
.gap{background:repeating-linear-gradient(90deg,var(--line) 0 2px,transparent 2px 5px);border-radius:3px}
.years{display:flex;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:8px;direction:ltr;font-variant-numeric:tabular-nums}

/* summary */
.summary{font-family:var(--body);font-weight:400;font-size:clamp(17px,2vw,20px);line-height:1.8;max-width:68ch;margin:0}

/* timeline */
.roles{list-style:none;margin:0;padding:0;display:grid}
.job{display:grid;grid-template-columns:200px 1fr;gap:28px;padding-block:28px;border-top:1px solid var(--line)}
.job>*{min-width:0}
.when{font-family:var(--mono);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;direction:ltr}
html[dir="rtl"] .when{text-align:right}
.when .now{display:inline-block;margin-top:8px;font-family:var(--display);font-size:12px;font-weight:500;color:var(--signal);border:1px solid currentColor;border-radius:999px;padding:1px 10px}
.job h3{font-family:var(--display);font-weight:500;font-size:22px;margin:0;line-height:1.3}
.org{color:var(--accent);font-weight:500;margin:4px 0 0}
.place{color:var(--muted);font-size:14px;margin:2px 0 12px}
.job p.d{margin:0 0 10px;max-width:65ch}
.job ul{margin:0;padding-inline-start:18px;max-width:65ch;display:grid;gap:4px}
.sub{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.sub h4{font-family:var(--display);font-weight:500;font-size:17px;margin:0}
.sub .when{display:block;margin:2px 0 6px}
.ladder{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:14px 0 4px}
.ladder span{font-size:13.5px;background:var(--accent-soft);color:var(--accent);padding:4px 11px;border-radius:7px}
.ladder span:last-child{background:var(--accent);color:var(--bg)}
.ladder i{color:var(--muted);font-style:normal;font-size:12px}
html[dir="rtl"] .ladder i{transform:scaleX(-1)}

/* credentials */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.grid2>*{min-width:0}
.edu{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.edu li{display:grid;grid-template-columns:96px 1fr;gap:16px}
.edu .yr{font-family:var(--mono);font-size:12.5px;color:var(--muted);padding-top:3px;direction:ltr;font-variant-numeric:tabular-nums}
html[dir="rtl"] .edu .yr{text-align:right}
.edu b{font-family:var(--display);font-weight:500;display:block}
.edu small{color:var(--muted);font-size:14px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags span{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 12px;font-size:14.5px}
.stack{display:grid;gap:30px}
.stack h3{font-family:var(--display);font-weight:500;font-size:13px;color:var(--muted);margin:0 0 10px;letter-spacing:.06em;text-transform:uppercase}
html[data-lang="ar"] .stack h3{letter-spacing:0;font-size:15px}
.cert{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.cert li{display:flex;gap:10px;align-items:baseline}
.cert li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--signal);flex:none;transform:translateY(-1px)}

footer{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--muted);font-size:14px}
.toast{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:8px 16px;border-radius:8px;font:500 13px var(--display)}

@media (max-width:760px){
  .hero,.grid2{grid-template-columns:1fr}
  .job{grid-template-columns:1fr;gap:8px}
  .seg{font-size:0;padding:0}
  .wrap{gap:44px}
}
@media (prefers-reduced-motion:no-preference){
  .seg{transition:filter .2s}.seg:hover{filter:brightness(1.08)}
}