/* أسامة سليم — editorial profile system
   The page remains fully legible before enhancement JavaScript runs. */
@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("assets/IBMPlexSansArabic-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("assets/IBMPlexSansArabic-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("assets/IBMPlexSansArabic-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans Arabic";
  src: url("assets/IBMPlexSansArabic-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
:root {
  --navy: #0b1d33;
  --midnight: #071426;
  --paper: #f3efe8;
  --sand: #d9d0c4;
  --bronze: #b88a52;
  --slate: #526071;
  --hairline: rgba(11, 29, 51, .18);
  --hairline-on-dark: rgba(243, 239, 232, .18);
  --wrap: min(100% - clamp(40px, 10vw, 160px), 1440px);
  --section-space: clamp(72px, 10vw, 160px);
  color-scheme: light;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font-family: "IBM Plex Sans Arabic", sans-serif;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.85;
  text-align: start;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }
a:hover, a:focus-visible { color: var(--bronze); }
button, a, summary { min-block-size: 44px; }
:focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }
.skip-link {
  position: fixed; z-index: 50; inset-block-start: .75rem; inset-inline-start: .75rem;
  padding: .55rem .8rem; background: var(--paper); color: var(--navy);
  transform: translateY(-180%); transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }
.container { width: var(--wrap); margin-inline: auto; }

.site-header {
  position: absolute; z-index: 20; inset-block-start: 0; inset-inline: 0;
  color: var(--paper);
}
.header-inner { min-block-size: 80px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--paper); text-decoration: none; font-size: .86rem; font-weight: 600; }
.brand-mark { color: var(--bronze); font-family: "IBM Plex Sans Arabic", sans-serif; font-size: .875rem; font-weight: 600; }
.desktop-nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.5rem); font-size: .875rem; }
.desktop-nav a { min-block-size: 44px; display: inline-flex; align-items: center; color: var(--sand); text-decoration: none; }
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: var(--paper); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { display: inline-flex; align-items: center; cursor: pointer; color: var(--paper); list-style: none; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary::before { content: "☰"; font-size: 1.1rem; }
.mobile-nav-links { position: absolute; inset-block-start: calc(100% + .5rem); inset-inline-end: 0; z-index: 5; min-inline-size: 12rem; margin: 0; padding: .5rem; background: var(--paper); color: var(--navy); box-shadow: 0 12px 35px rgba(0,0,0,.22); }
.mobile-nav-links a { display: flex; align-items: center; padding: .5rem .75rem; text-decoration: none; }

.hero {
  position: relative; isolation: isolate; overflow: hidden; min-block-size: min(760px, 88svh);
  display: flex; flex-direction: column; justify-content: center; background: var(--midnight); color: var(--paper);
}
.hero::before { content: ""; position: absolute; z-index: -2; inline-size: 240px; block-size: 240px; inset-block-start: 17%; inset-inline-start: 64%; border: 1px solid rgba(184,138,82,.16); border-radius: 50%; }
.hero::after { content: ""; position: absolute; z-index: -2; inline-size: 130%; block-size: 1px; inset-block-start: 38%; inset-inline-start: -15%; background: rgba(184,138,82,.1); transform: rotate(-11deg); transform-origin: center; }
.hero-grid { position: relative; z-index: 1; min-block-size: min(760px, 88svh); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; align-items: center; }
.hero-copy { grid-column: 1 / 8; grid-row: 1; position: relative; z-index: 2; padding-block: 8rem 5rem; }
.eyebrow, .section-kicker, .expertise-number, .scope-index, .hero-foot-note, .portrait-caption { font-family: "IBM Plex Sans Arabic", sans-serif; font-size: .875rem; font-weight: 500; letter-spacing: 0; line-height: 1.5; }
.eyebrow { color: var(--sand); }
.hero-copy::after { content: ""; display: block; inline-size: min(120px, 22vw); block-size: 1px; margin-block: 1.3rem 1.6rem; background: var(--bronze); }
.hero-name { max-inline-size: 7ch; margin: 0; color: var(--paper); font-size: clamp(4.75rem, 11vw, 8rem); font-weight: 700; line-height: 1.28; letter-spacing: 0; text-wrap: balance; }
.hero-role { margin: 1.25rem 0 .25rem; color: var(--paper); font-size: clamp(1.15rem, 1.8vw, 1.65rem); font-weight: 600; line-height: 1.4; }
.hero-summary { max-inline-size: 38rem; margin: .8rem 0 0; color: var(--sand); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.25rem; margin-block-start: 1.7rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-block-size: 48px; padding: .5rem 1.2rem; background: var(--bronze); color: var(--midnight); font-size: .9rem; font-weight: 600; text-decoration: none; }
.button:hover, .button:focus-visible { background: var(--paper); color: var(--midnight); }
.text-link { display: inline-flex; align-items: center; color: var(--paper); font-size: .9rem; text-decoration: underline; }
.portrait-stage { grid-column: 9 / 13; grid-row: 1; align-self: end; position: relative; z-index: 1; inline-size: 100%; max-inline-size: 410px; justify-self: end; aspect-ratio: 4 / 5; overflow: hidden; border-inline-end: 1px solid var(--bronze); border-block-end: 1px solid var(--bronze); background: #fff; }
.portrait-stage::after { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(180deg, transparent 54%, var(--midnight) 100%); mix-blend-mode: multiply; opacity: .26; pointer-events: none; }
.portrait { inline-size: 100%; block-size: 100%; object-fit: cover; object-position: 50% 18%; filter: saturate(.82) contrast(1.04); }
.portrait-caption { position: absolute; z-index: 2; inset-block-end: .75rem; inset-inline-start: .9rem; color: var(--paper); opacity: .7; }
.hero-foot { position: absolute; z-index: 2; inset-block-end: 0; inset-inline: 0; display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding-block: 1.25rem; border-block-start: 1px solid var(--bronze); color: var(--sand); }
.hero-stat { display: flex; align-items: baseline; gap: .8rem; }
.hero-stat strong { color: var(--paper); font-family: "IBM Plex Sans Arabic", sans-serif; font-size: .875rem; font-weight: 500; }
.hero-stat span { font-size: .82rem; }
.hero-foot-note { color: var(--sand); text-align: end; }

.section { padding-block: var(--section-space); scroll-margin-block-start: 3rem; }
.section--paper { background: var(--paper); color: var(--navy); }
.section--navy { background: var(--navy); color: var(--paper); }
.section--midnight { background: var(--midnight); color: var(--paper); }
.section-heading { display: grid; grid-template-columns: 1fr minmax(0, 2fr); gap: 24px; align-items: start; margin-block-end: clamp(3rem, 7vw, 7rem); }
.section-kicker { color: var(--bronze); padding-block-start: .45rem; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4.5vw, 4rem); font-weight: 600; line-height: 1.25; text-wrap: balance; }
.section-intro { max-inline-size: 40rem; margin: 1.2rem 0 0; color: var(--slate); }
.section--navy .section-intro, .section--midnight .section-intro { color: var(--sand); }
.about-grid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 24px; }
.about-lead { grid-column: 1 / 6; margin: 0; font-size: clamp(1.3rem, 2.2vw, 2rem); font-weight: 600; line-height: 1.55; }
.about-copy { grid-column: 7 / 13; max-inline-size: 39rem; color: var(--slate); }
.about-copy p { margin-block-start: 0; }
.expertise-list { display: block; margin: 0; padding: 0; list-style: none; }
.expertise-item { display: grid; grid-template-columns: 3.5rem minmax(0,1fr); gap: 1rem; padding-block: 1.15rem; border-block-start: 1px solid var(--hairline); }
.expertise-item:last-child { border-block-end: 1px solid var(--hairline); }
.expertise-number { color: var(--bronze); padding-block-start: .3rem; }
.expertise-item h3, .timeline-content h3, .leadership-list h3, .education-grid h3, .courses-list h3 { margin: 0; font-size: 1.2rem; font-weight: 600; line-height: 1.45; }
.expertise-item p { margin: .2rem 0 0; color: var(--slate); font-size: .92rem; line-height: 1.7; }
.expertise-tags { display: flex; flex-wrap: wrap; gap: .35rem .7rem; margin: .65rem 0 0; padding: 0; color: var(--slate); font-size: .875rem; list-style: none; }
.expertise-tags li + li::before { content: "·"; margin-inline-end: .7rem; color: var(--bronze); }

.timeline { position: relative; max-inline-size: 1000px; margin: 0 auto; padding: 0; list-style: none; }
.timeline::before { content: ""; position: absolute; inset-block: 0; inset-inline-start: 14%; inline-size: 1px; background: rgba(184,138,82,.55); }
.timeline-item { position: relative; display: grid; grid-template-columns: 14% minmax(0, 1fr); gap: 2rem; padding-block: 1.2rem 3.8rem; }
.timeline-item::before { content: ""; position: absolute; inset-block-start: 1.7rem; inset-inline-start: calc(14% - 4px); inline-size: 9px; block-size: 9px; border: 2px solid var(--bronze); background: var(--navy); border-radius: 50%; }
.timeline-date { color: var(--sand); font-family: "IBM Plex Sans Arabic", sans-serif; font-size: .875rem; font-weight: 500; line-height: 1.5; }
.timeline-content { padding-inline-start: 1.5rem; }
.timeline-content h3 { color: var(--paper); font-size: clamp(1.2rem, 2vw, 1.65rem); }
.timeline-content .role { margin: .25rem 0; color: var(--bronze); font-size: .9rem; }
.timeline-content p { max-inline-size: 42rem; margin: .55rem 0 0; color: var(--sand); }
.timeline-content details { margin-block-start: .65rem; color: var(--sand); font-size: .9rem; }
.timeline-content summary { display: inline-flex; align-items: center; cursor: pointer; color: var(--paper); }
.timeline-content summary::marker { color: var(--bronze); }
.timeline-content ul { margin-block: .5rem 0; padding-inline-start: 1.3rem; }
.timeline-content li + li { margin-block-start: .2rem; }
.timeline-item.is-past::before { background: var(--bronze); }

.leadership-grid, .education-grid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 24px; }
.leadership-intro { grid-column: 1 / 5; font-size: 1.3rem; font-weight: 600; line-height: 1.6; }
.leadership-list { grid-column: 6 / 13; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 2.25rem 24px; }
.leadership-list article { border-block-start: 1px solid var(--hairline); padding-block-start: .9rem; }
.scope-index { display: block; margin-block-end: 1.2rem; color: var(--bronze); }
.leadership-list p { margin: .4rem 0 0; color: var(--slate); }
.education-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.education-grid article { padding-block-start: .8rem; border-block-start: 1px solid var(--hairline); }
.education-year, .course-year { display: block; margin-block-end: 1rem; color: var(--bronze); font-family: "IBM Plex Sans Arabic", sans-serif; font-size: .875rem; font-weight: 500; }
.education-grid p, .courses-list p { margin: .4rem 0 0; color: var(--slate); }
.courses-list { margin: 0; padding: 0; list-style: none; }
.courses-list li { display: grid; grid-template-columns: 7rem minmax(0,1fr); gap: 1rem; padding-block: 1rem; border-block-start: 1px solid var(--hairline); }
.contact-grid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 24px; align-items: end; }
.contact-grid h2 { grid-column: 1 / 7; margin: 0; font-size: clamp(2.5rem, 6vw, 6rem); line-height: 1.25; }
.contact-grid > p { grid-column: 1 / 7; margin: 1rem 0 0; color: var(--sand); }
.contact-links { grid-column: 8 / 13; margin: 0; font-style: normal; }
.contact-links a { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .65rem; border-block-start: 1px solid var(--hairline-on-dark); color: var(--paper); text-decoration: none; }
.contact-links a span { color: var(--bronze); font-family: "IBM Plex Sans Arabic", sans-serif; font-size: .875rem; font-weight: 500; }
.contact-links a bdi { overflow-wrap: anywhere; }
.site-footer { background: var(--midnight); color: var(--sand); }
.footer-inner { display: flex; justify-content: space-between; gap: 1.5rem; padding-block: 1.8rem; border-block-start: 1px solid var(--hairline-on-dark); font-size: .875rem; }

/* Enhancement hook: content is visible until JS opts into motion. */
.reveal { opacity: 1; transform: none; }
.motion-ready .reveal { opacity: 0; transform: translateY(10px); transition: opacity .55s ease, transform .55s ease; }
.motion-ready .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 767px) {
  :root { --wrap: min(100% - 40px, 1440px); }
  .site-header { position: absolute; }
  .header-inner { min-block-size: 68px; }
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero { min-block-size: 720px; justify-content: start; }
  .hero-grid { min-block-size: 720px; display: block; }
  .hero-copy { padding-block: 8rem 15rem; }
  .hero-name { max-inline-size: none; font-size: clamp(4.125rem, 19vw, 5.5rem); line-height: 1.3; }
  .hero-role { max-inline-size: 19rem; }
  .hero-summary { max-inline-size: 22rem; font-size: .98rem; line-height: 1.75; }
  .portrait-stage { position: absolute; inset-block-end: 3.2rem; inset-inline: 0; inline-size: 100%; max-inline-size: none; aspect-ratio: 1 / 1.12; border-inline: 0; border-block-end: 1px solid var(--bronze); }
  .portrait-stage::after { background: linear-gradient(180deg, rgba(7,20,38,.06) 10%, var(--midnight) 100%); opacity: .72; }
  .portrait-caption { display: none; }
  .hero-foot { padding-block: .9rem; font-size: .875rem; }
  .hero-foot-note { display: none; }
  .section-heading { display: block; margin-block-end: 3.2rem; }
  .section-heading h2 { margin-block-start: .8rem; font-size: clamp(2rem, 9vw, 3rem); }
  .about-grid, .leadership-grid, .education-grid { display: block; }
  .about-lead { margin-block-end: 1.8rem; }
  .expertise-list { display: block; }
  .timeline { padding-inline-start: 0; }
  .timeline::before { inset-inline-start: .35rem; }
  .timeline-item { display: block; padding-inline-start: 1.6rem; padding-block-end: 2.6rem; }
  .timeline-item::before { inset-inline-start: 0; }
  .timeline-date { margin-block-end: .65rem; }
  .timeline-content { padding-inline-start: 0; }
  .leadership-intro { margin-block-end: 2.2rem; }
  .leadership-list { display: block; }
  .leadership-list article + article { margin-block-start: 2rem; }
  .education-grid article + article { margin-block-start: 2.4rem; }
  .courses-list li { grid-template-columns: 5rem minmax(0,1fr); }
  .contact-grid { display: block; }
  .contact-grid h2 { font-size: clamp(2.6rem, 13vw, 4.6rem); }
  .contact-grid > p { margin-block: 1.25rem 2rem; }
  .footer-inner { display: block; }
  .footer-inner > * + * { margin-block-start: .75rem; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-name { font-size: clamp(4.6rem, 10vw, 6.6rem); }
  .hero-copy { grid-column: 1 / 9; }
  .portrait-stage { grid-column: 9 / 13; }
  .about-lead { grid-column: 1 / 6; }
  .about-copy { grid-column: 7 / 13; }
  .timeline::before { inset-inline-start: 10%; }
  .timeline-item { grid-template-columns: 10% minmax(0,1fr); }
  .timeline-item::before { inset-inline-start: calc(10% - 4px); }
}

@media (min-width: 1440px) {
  .hero-name { font-size: clamp(5rem, 8.8vw, 7.875rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .motion-ready .reveal, .motion-ready .reveal.is-visible { opacity: 1; transform: none; }
}

/* Final composition and readable editorial accents. */
.section-kicker,.expertise-number,.scope-index,.education-year,.course-year { color:#805a2f; }
.section--navy .section-kicker,.section--midnight .section-kicker { color:#c6a273; }
.hero-name { max-inline-size:none; }
.portrait-stage { margin:0 0 6rem; }
.hero-stat strong { font-size:3.25rem; font-weight:500; line-height:1; direction:ltr; unicode-bidi:isolate; }
.hero-stat span { max-inline-size:9rem; }
.hero-foot { align-items:center; padding-block:1.4rem; }
.section-heading { position:relative; }
.section-heading::before { content:""; position:absolute; inset-block-start:1.4rem; inset-inline-start:0; width:5rem; height:1px; background:var(--bronze); }
.section-heading h2 { grid-column:2; }
.section-heading .section-kicker { margin:0; }
.contact-grid > div { grid-column:1 / 7; }
.contact-links a { flex-direction:column; align-items:flex-start; gap:.25rem; padding-block:1.2rem; }
.contact-links a span { font-size:.875rem; }
.contact-links a bdi { font-size:clamp(1rem,1.8vw,1.5rem); direction:ltr; }
.contact-grid .section-kicker { color:#c6a273; }
.courses-list li p { grid-column:2; }
.courses-list li h3 { align-self:center; }
.courses-list .course-year { grid-row:1 / 3; }
.button:focus-visible { outline:2px solid var(--paper); box-shadow:0 0 0 6px var(--midnight); }
.desktop-nav a.is-active { color:var(--paper); text-decoration:underline; text-decoration-color:var(--bronze); text-underline-offset:.5rem; }
.timeline-date { padding-inline-end:1rem; line-height:1.8; }
.timeline-content summary { gap:.65rem; }
.timeline-content summary::after { content:"+"; color:#c6a273; font-size:1.35rem; }
.timeline-content details[open] summary::after { content:"−"; }
.timeline-content .role { color:#c6a273; }
.portrait-caption { display:none; }
@media (max-width:767px) {
  .hero,.hero-grid { min-block-size:0; }
  .hero-grid { display:flex; flex-direction:column; align-items:stretch; }
  .hero-copy { padding-block:7rem 2.2rem; }
  .hero-name { font-size:clamp(4rem,17.5vw,5.2rem); white-space:nowrap; }
  .hero-role { max-inline-size:none; line-height:1.65; font-size:1.12rem; }
  .hero-summary { max-inline-size:none; font-size:1rem; }
  .hero-copy::after { display:none; }
  .portrait-stage { position:relative; inset:auto; inline-size:calc(100% - 52px); max-inline-size:330px; block-size:345px; aspect-ratio:auto; align-self:center; margin:0 0 1.4rem; }
  .portrait { object-position:50% 16%; }
  .portrait-stage::after { opacity:.25; }
  .hero-foot { position:relative; inset:auto; padding-block:1.25rem; }
  .hero-stat strong { font-size:2.7rem; }
  .section-heading::before { position:static; display:block; width:3rem; margin-block-end:1.5rem; }
  .contact-links { margin-block-start:2.5rem; }
  .mobile-nav summary { gap:.7rem; font-size:.875rem; }
  .mobile-nav-links { min-inline-size:15rem; }
}

/* The portrait shares the page's paper plane; no separate photo card. */
.hero::before { inset-block:80px 0; inset-inline-start:auto; inset-inline-end:0; inline-size:37.5%; block-size:auto; border:0; border-radius:0; background:var(--paper); }
.portrait-stage { background:transparent; border:0; overflow:visible; }
.portrait-stage::after { display:none; }
.portrait-stage picture { display:block; inline-size:100%; block-size:100%; }
.portrait { filter:none; mix-blend-mode:multiply; mask-image:linear-gradient(to bottom,#000 84%,transparent 100%); transform:translate3d(var(--px,0px),var(--py,0px),0); transition:transform .35s ease; }
.hero-foot-note { color:var(--navy); max-inline-size:30%; text-align:start; }
.section-heading::before { display:none; }
.section-kicker { font-size:.875rem; line-height:1.8; }
.section-heading { margin-block-end:3.5rem; }
.section-heading h2 { max-inline-size:17ch; }
.expertise-section { padding-block-start:2rem; }
.expertise-list { display:block; }
.expertise-item { display:grid; grid-template-columns:3.5rem minmax(12rem,1fr) minmax(0,2fr); gap:1.5rem; padding-block:2.2rem; align-items:start; }
.expertise-item h3 { font-size:1.55rem; padding-block-start:.05rem; }
.expertise-tags { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.5rem 2rem; margin:0; color:var(--navy); }
.expertise-tags li { display:block; }
.expertise-tags li + li::before { content:none; }
.expertise-tags strong { display:block; font-size:1rem; font-weight:500; }
.expertise-tags span { display:block; margin-block-start:.35rem; font-size:.94rem; line-height:1.8; color:var(--slate); }
.date-separator { display:block; line-height:1.2; color:#c6a273; }
.timeline-item { padding-block-end:3rem; }
.timeline-item:last-child { padding-block-end:0; }
.timeline-content .role-location { display:block; color:var(--sand); margin-block-start:.2rem; }
.timeline-content details { font-size:1rem; }
.timeline-content summary { font-size:.875rem; }
.details-open,details[open] .details-closed { display:none; }
details[open] .details-open { display:inline; }
.leadership-intro { font-size:1rem; font-weight:400; color:var(--slate); line-height:1.9; }
.leadership-anchor { font-size:2.5rem; font-weight:600; line-height:1.5; color:var(--navy); margin-block:0 1.5rem; }
.education-section { padding-block-start:3rem; }
.development-section { padding-block-start:2rem; }
.contact-intro { color:var(--sand); max-inline-size:24rem; }
.mobile-nav a:hover,.mobile-nav a:focus-visible { background:var(--navy); color:var(--paper); }
.footer-inner { align-items:center; }
.footer-inner a { display:inline-flex; align-items:center; }
.hero-copy > * { animation:hero-arrive .7s ease both; }
.hero-copy > :nth-child(2) { animation-delay:.06s; }
.hero-copy > :nth-child(3) { animation-delay:.12s; }
.hero-copy > :nth-child(4) { animation-delay:.18s; }
.hero-copy > :nth-child(5) { animation-delay:.24s; }
@keyframes hero-arrive { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }
@media(min-width:768px) and (max-width:1023px) {
  .hero::before { inline-size:31%; }
  .portrait-stage { margin-block-end:8rem; }
  .hero-copy { grid-column:1 / 9; padding-inline-end:2rem; }
  .hero-name { font-size:5.1rem; }
  .expertise-item { grid-template-columns:2rem 1fr; }
  .expertise-tags { grid-column:2; }
}
@media(max-width:767px) {
  .hero::before { display:none; }
  .portrait-stage { inline-size:calc(100% + 40px); max-inline-size:none; block-size:380px; background:var(--paper); padding-block-start:10px; margin:0; }
  .portrait-stage picture { inline-size:300px; max-inline-size:90%; margin-inline:auto; }
  .hero-foot { inline-size:100%; background:var(--paper); color:var(--navy); padding-inline:20px; }
  .hero-stat strong { color:var(--navy); }
  .hero-grid { gap:0; }
  .section-heading h2 { margin-block-start:1rem; }
  .expertise-item { grid-template-columns:2rem minmax(0,1fr); gap:1rem; padding-block:1.8rem; }
  .expertise-item h3 { font-size:1.4rem; }
  .expertise-tags { grid-column:2; grid-template-columns:1fr; gap:1.2rem; }
  .expertise-tags span { font-size:1rem; }
  .timeline-date { display:flex; gap:.5rem; flex-wrap:wrap; }
  .date-separator { display:inline; line-height:inherit; }
  .leadership-anchor { font-size:2rem; }
  .contact-grid h2 { font-size:3rem; }
  .hero-copy > * { animation:none; }
}
@media(prefers-reduced-motion:reduce) {
  .hero-copy > * { animation:none; }
  .portrait { transform:none; transition:none; }
}

/* Executive Biography — English primary, mirrored Arabic edition. */
body:lang(en) { line-height:1.65; }
.header-inner { gap:2rem; }
.brand { font-size:1.2rem; font-weight:600; display:block; padding-block:1rem; }
.brand-caption { display:block; margin-block-start:.15rem; font-size:.6rem; letter-spacing:.16em; font-weight:400; color:var(--sand); }
.header-tools { display:flex; align-items:center; gap:1.4rem; }
.language-link { display:inline-flex; align-items:center; min-block-size:44px; font-size:.85rem; text-decoration:none; border-inline-start:1px solid var(--hairline-on-dark); padding-inline-start:1.25rem; }
.desktop-nav { margin-inline-start:auto; gap:1.65rem; }
.desktop-nav a { font-size:.875rem; }
.hero,.hero-grid { min-block-size:840px; }
.hero-copy { padding-block:8.5rem 9rem; grid-column:1 / 8; }
.hero-name:lang(en) { font-size:clamp(6rem,10.8vw,10.8rem); line-height:.91; letter-spacing:-.06em; font-weight:600; margin-block:1.5rem 1.8rem; }
.hero-name span { display:block; }
.hero-name:lang(en) span:last-child { color:#c6a273; font-family:Georgia,'Times New Roman',serif; font-weight:400; font-style:italic; letter-spacing:-.065em; }
.hero-role { white-space:pre-line; max-inline-size:29rem; font-size:clamp(1.3rem,1.7vw,1.7rem); line-height:1.45; margin-block:1.5rem .8rem; }
.hero-summary { max-inline-size:31rem; font-size:1rem; line-height:1.75; }
.hero-copy::after { display:none; }
.eyebrow:lang(en) { letter-spacing:.18em; font-size:.7rem; font-weight:500; color:#c6a273; }
.hero-current { font-size:.8rem; color:var(--sand); margin-block-start:1.75rem; }
.hero-actions { gap:1.5rem; margin-block-start:1.7rem; }
.button { min-block-size:52px; padding:.7rem 1.3rem; gap:2rem; font-size:.9rem; }
.button span { font-size:1.1rem; }
.text-link { font-size:.9rem; text-decoration:none; border-block-end:1px solid #657184; }
.portrait-stage { background:var(--paper); block-size:550px; max-inline-size:410px; aspect-ratio:auto; margin-block-end:7.2rem; }
.portrait-stage picture { overflow:hidden; }
.portrait { mask-image:linear-gradient(to bottom,#000 75%,transparent 100%); }
.portrait-index { position:absolute; inset-block-start:-2.5rem; inset-inline-start:0; font-size:.65rem; letter-spacing:.2em; color:#536070; }
.portrait-stage figcaption { position:absolute; inset-block-end:0; inset-inline-start:0; font-size:1.3rem; color:var(--navy); font-weight:500; }
.hero-foot { padding-block:1.5rem; min-block-size:96px; }
.hero-foot-note { font-size:.85rem; line-height:1.7; }
.hero-stat span { font-size:.8rem; line-height:1.55; text-transform:uppercase; letter-spacing:.1em; }
.hero-stat strong { font-family:Georgia,serif; font-size:3.8rem; font-weight:400; }
#strategy-scene { position:absolute; z-index:0; inset-block-start:5rem; inset-inline-start:20%; inline-size:50%; block-size:650px; opacity:.55; pointer-events:auto; }
#strategy-scene canvas { display:block; inline-size:100%; block-size:100%; }
.hero-grid { pointer-events:none; }
.hero-copy,.portrait-stage { pointer-events:auto; }
.section-heading h2 { white-space:pre-line; }
.section-heading h2:lang(en) { font-size:clamp(2.25rem,4vw,3.8rem); font-weight:500; letter-spacing:-.045em; line-height:1.1; max-inline-size:22ch; }
.section-kicker:lang(en) { text-transform:uppercase; letter-spacing:.14em; font-size:.7rem; }
.about-lead:lang(en) { font-size:clamp(1.3rem,2vw,1.85rem); font-weight:400; line-height:1.55; }
.about-copy { font-size:1.05rem; line-height:1.9; }
.expertise-item { padding-block:2.8rem; }
.expertise-item h3:lang(en) { font-size:1.65rem; font-weight:500; line-height:1.3; letter-spacing:-.025em; }
.expertise-tags strong:lang(en) { line-height:1.45; }
.expertise-tags span:lang(en) { line-height:1.7; }
.timeline { max-inline-size:1120px; }
.timeline::before { inset-inline-start:20%; }
.timeline-item { grid-template-columns:20% minmax(0,1fr); padding-block:1.5rem 3rem; }
.timeline-item::before { inset-inline-start:calc(20% - 4px); inset-block-start:2rem; transition:background-color .6s; }
.timeline-date { font-size:.8rem; }
.timeline-content { border-block-end:1px solid var(--hairline-on-dark); padding-block-end:2rem; padding-inline-start:2rem; }
.timeline-item:last-child .timeline-content { border:0; }
.timeline-content h3:lang(en) { font-size:clamp(1.45rem,2vw,1.9rem); font-weight:500; letter-spacing:-.02em; line-height:1.3; }
.timeline-content .role { margin-block:.65rem 1rem; font-size:.92rem; }
.timeline-content > p:last-of-type { font-size:1rem; max-inline-size:40rem; }
.timeline-content summary { margin-block-start:.5rem; font-size:.8rem; }
.timeline-content details ul { font-size:.95rem; max-inline-size:42rem; }
.leadership-anchor:lang(en) { font-family:Georgia,serif; font-style:italic; font-size:2.7rem; font-weight:400; }
.education-year { font-family:Georgia,serif; font-size:2.8rem; color:var(--navy); }
.education-grid h3 { font-size:1.5rem; font-weight:500; }
.education-grid p { max-inline-size:28rem; }
.course-year { font-size:1rem; }
.courses-list { max-inline-size:950px; margin-inline-start:auto; }
.courses-list li { padding-block:1.6rem; }
.courses-list h3 { font-weight:500; }
.contact-grid h2 { white-space:pre-line; }
.contact-grid h2:lang(en) { font-family:Georgia,serif; font-size:clamp(3rem,5.2vw,5.5rem); font-weight:400; line-height:1.04; letter-spacing:-.045em; }
.contact-intro { margin-block-start:1.7rem; }
.contact-links { grid-column:8 / 13; }
.footer-inner { font-size:.8rem; }
@media(min-width:768px) and (max-width:1199px) {
  .desktop-nav { gap:1rem; }
  .desktop-nav a { font-size:.8rem; }
  .hero-name:lang(en) { font-size:8rem; }
  .hero-name:lang(ar) { font-size:5.5rem; }
  .hero-role { font-size:1.4rem; }
  .hero-summary { max-inline-size:26rem; }
  .portrait-stage { block-size:420px; margin-block-end:11rem; }
  .hero::before { inline-size:33%; }
  .hero-copy { padding-inline-end:2rem; }
}
@media(max-width:1023px) {
  .desktop-nav { display:none; }
  .mobile-nav { display:block; }
  .header-tools { margin-inline-start:auto; }
  .hero-role { font-size:1.2rem; }
  .hero-name:lang(en) { font-size:7rem; }
  .portrait-stage { block-size:350px; }
}
@media(max-width:767px) {
  .header-inner { min-block-size:76px; gap:1rem; }
  .brand { font-size:1rem; }
  .brand-caption { font-size:.5rem; letter-spacing:.12em; }
  .header-tools { gap:.75rem; }
  .language-link { font-size:.8rem; padding-inline-start:0; border:0; }
  .mobile-nav summary { font-size:0; min-inline-size:44px; justify-content:center; }
  .mobile-nav summary::before { font-size:1.2rem; }
  .hero,.hero-grid { min-block-size:0; }
  .hero-copy { padding-block:7rem 2.5rem; padding-inline:0; }
  .hero-name:lang(en) { font-size:clamp(5.7rem,27vw,7.2rem); margin-block:1.2rem 1.4rem; line-height:.91; }
  .hero-name:lang(ar) { font-size:5rem; line-height:1.1; white-space:normal; }
  .hero-name:lang(ar) span { display:inline; }
  .hero-role { font-size:1.2rem; margin-block:1.2rem .8rem; line-height:1.45; }
  .hero-summary { font-size:1rem; line-height:1.7; }
  .hero-current { font-size:.76rem; margin-block-start:1.5rem; }
  .eyebrow:lang(en) { font-size:.62rem; letter-spacing:.1em; }
  .hero-actions { gap:1.3rem; }
  .button { padding-inline:1rem; gap:1.6rem; }
  .portrait-stage { block-size:385px; margin:0; padding-block-start:1rem; }
  .portrait-index { display:none; }
  .portrait-stage figcaption { inset-block-end:1.4rem; inset-inline-start:20px; }
  .portrait-stage picture { inline-size:280px; }
  .hero-foot { min-block-size:95px; }
  .hero-stat strong { font-size:3.3rem; }
  #strategy-scene { display:none; }
  .section-heading h2:lang(en) { font-size:2.6rem; }
  .section-heading { margin-block-end:2.5rem; }
  .section-kicker:lang(en) { font-size:.65rem; }
  .expertise-item { padding-block:2rem; }
  .expertise-item h3:lang(en) { font-size:1.5rem; }
  .timeline::before { inset-inline-start:.35rem; }
  .timeline-item { display:block; padding-inline-start:1.9rem; padding-block-end:1.5rem; }
  .timeline-item::before { inset-inline-start:0; inset-block-start:1.95rem; }
  .timeline-content { padding-inline-start:0; padding-block-end:2rem; }
  .timeline-date { font-size:.8rem; }
  .timeline-content h3:lang(en) { font-size:1.45rem; }
  .timeline-content .role { font-size:.88rem; line-height:1.6; }
  .contact-grid h2:lang(en) { font-size:3.5rem; }
  .contact-links a bdi { font-size:1.22rem; }
}
.brand-caption,.portrait-index,.eyebrow:lang(en),.section-kicker:lang(en) { font-size:.75rem; }
.header-tools .language-link:hover { color:var(--paper); text-decoration:underline; }
@media(max-width:767px) {
  .hero-copy { padding-block:6rem 1.7rem; }
  .hero-name:lang(en) { display:flex; flex-wrap:wrap; align-items:baseline; gap:0 .18em; font-size:clamp(3.2rem,14.5vw,3.7rem); line-height:1.06; margin-block:1rem 1.2rem; white-space:normal; }
  .hero-name:lang(en) span { display:inline; }
  .hero-role { font-size:1.1rem; margin-block:1rem .6rem; }
  .hero-summary { font-size:.97rem; line-height:1.65; }
  .hero-actions { margin-block-start:1.25rem; }
  .hero-current { margin-block-start:1.2rem; margin-block-end:0; }
  .portrait-stage { block-size:350px; }
  .portrait { object-position:50% 12%; }
}