:root{--font-serif: Georgia, "Times New Roman", serif;--font-sans: Inter, "Segoe UI", Arial, sans-serif;--font-arabic: Tahoma, "Segoe UI", Arial, sans-serif;--page: #f5f8fc;--surface: #ffffff;--surface-muted: #eaf1f8;--ink: #0f172a;--muted: #526174;--faint: #718096;--brand: #0284c7;--brand-strong: #0369a1;--brand-soft: #dff3ff;--accent: #6366f1;--line: rgba(15, 23, 42, .12);--shadow: 0 22px 60px rgba(15, 23, 42, .12);--header-bg: rgba(245, 248, 252, .86);--max-width: 1180px}[data-theme=dark]{--page: #0a0f1d;--surface: #0f172a;--surface-muted: #0c1425;--ink: #f8fafc;--muted: #a7b4c8;--faint: #6f7f96;--brand: #38bdf8;--brand-strong: #7dd3fc;--brand-soft: rgba(56, 189, 248, .12);--accent: #818cf8;--line: rgba(255, 255, 255, .09);--shadow: 0 24px 70px rgba(0, 0, 0, .38);--header-bg: rgba(10, 15, 29, .84)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--page);color:var(--ink);font-family:var(--font-sans);line-height:1.7;transition:background-color .18s ease,color .18s ease}html[dir=rtl] body{font-family:var(--font-arabic)}a{color:inherit}button,input{font:inherit}button{color:inherit}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;inset-block-start:.75rem;inset-inline-start:.75rem;z-index:2000;transform:translateY(-180%);padding:.65rem 1rem;border-radius:6px;background:var(--ink);color:var(--page);text-decoration:none}.skip-link:focus{transform:translateY(0)}.shell{width:min(100% - 2.5rem,var(--max-width));margin-inline:auto}.site-header{position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--line);background:var(--header-bg);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.nav-shell{min-height:78px;display:flex;align-items:center;gap:1.5rem}.identity{display:inline-flex;align-items:center;gap:.75rem;min-width:max-content;text-decoration:none;font-weight:750}.identity-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#0284c7,#6366f1);color:#fff;font-family:var(--font-serif);font-size:.94rem;letter-spacing:.06em}[data-theme=dark] .identity-mark{color:#fff;box-shadow:0 0 22px #38bdf82e}.primary-nav{display:flex;align-items:center;justify-content:center;gap:clamp(.8rem,1.8vw,1.6rem);margin-inline:auto}.primary-nav a{position:relative;color:var(--muted);font-size:.88rem;font-weight:650;text-decoration:none}.primary-nav a:after{content:"";position:absolute;inset-inline:0;bottom:-.45rem;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .18s ease}.primary-nav a:hover{color:var(--ink)}.primary-nav a:hover:after{transform:scaleX(1)}.nav-controls{display:flex;align-items:center;gap:.5rem}.control-button,.menu-toggle{border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 80%,transparent);cursor:pointer}.control-button{min-height:40px;border-radius:999px;color:var(--muted)}.language-button{padding:.45rem .85rem;font-weight:750}.icon-button{width:40px;display:grid;place-items:center}.icon-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}[data-theme=light] .sun-icon,[data-theme=dark] .moon-icon,.menu-toggle{display:none}.hero{position:relative;overflow:hidden;padding:clamp(5.5rem,10vw,9rem) 0 clamp(5rem,9vw,8rem)}.hero:after{content:"";position:absolute;width:520px;height:520px;inset-block-end:-360px;inset-inline-start:-220px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 20%,transparent),transparent 68%);filter:blur(16px);pointer-events:none}.hero:before{content:"";position:absolute;width:580px;height:580px;inset-block-start:-300px;inset-inline-end:-180px;border:1px solid color-mix(in srgb,var(--brand) 22%,transparent);border-radius:50%;box-shadow:0 0 0 80px color-mix(in srgb,var(--brand) 5%,transparent),0 0 0 160px color-mix(in srgb,var(--accent) 3%,transparent);pointer-events:none}.hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,.75fr);align-items:center;gap:clamp(3rem,7vw,7rem)}.eyebrow{margin:0 0 1rem;color:var(--brand);font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}html[dir=rtl] .eyebrow{letter-spacing:.04em}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--font-serif);line-height:1.13;letter-spacing:-.025em}html[dir=rtl] h1,html[dir=rtl] h2,html[dir=rtl] h3{font-family:var(--font-arabic);letter-spacing:0}h1{max-width:850px;margin-bottom:1.35rem;font-size:clamp(3.2rem,7.5vw,6.4rem);font-weight:500}html[dir=rtl] h1{font-size:clamp(2.9rem,6.5vw,5.5rem);font-weight:750}.hero-role{max-width:780px;margin-bottom:1.25rem;color:var(--brand-strong);font-family:var(--font-serif);font-size:clamp(1.35rem,2.2vw,1.85rem);line-height:1.45}html[dir=rtl] .hero-role{font-family:var(--font-arabic);font-weight:700}.hero-summary{max-width:720px;margin-bottom:2rem;color:var(--muted);font-size:1.05rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.72rem 1.25rem;border:1px solid var(--brand-strong);border-radius:10px;font-weight:750;text-decoration:none;transition:transform .16s ease,background-color .16s ease}.button:hover{transform:translateY(-2px)}.button-primary{border-color:transparent;background:linear-gradient(135deg,#0284c7,#0369a1);color:#fff;box-shadow:0 8px 28px #0284c74d}.button-primary:hover{box-shadow:0 12px 34px #38bdf857}.button-secondary{background:transparent;color:var(--brand-strong)}.button-secondary:hover{background:var(--brand-soft)}.hero-profile{position:relative;padding:1.35rem;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow)}.portrait{position:relative;width:min(100%,360px);aspect-ratio:1;margin-inline:auto;overflow:hidden;border-radius:50%;border:1px solid color-mix(in srgb,var(--brand) 24%,var(--line));background:var(--surface-muted);box-shadow:0 14px 34px color-mix(in srgb,var(--ink) 14%,transparent);transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease}.portrait img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 8%}[data-theme=dark] .portrait{border-color:color-mix(in srgb,var(--brand) 48%,var(--line));background:#07111f;box-shadow:0 18px 44px #00000075,0 0 0 1px #38bdf814}[data-theme=light] .portrait{border-color:color-mix(in srgb,var(--brand) 30%,var(--line));box-shadow:0 16px 38px #0f172a26,0 0 0 1px #fffc}.profile-facts{margin:0}.profile-facts div{display:flex;justify-content:space-between;gap:1rem;padding:.9rem 0;border-bottom:1px solid var(--line)}.profile-facts div:last-child{border:0;padding-bottom:0}.profile-facts dt{color:var(--muted)}.profile-facts dd{margin:0;font-weight:750;text-align:end}.section{padding:clamp(5rem,8vw,8rem) 0}.section-tinted{background:var(--surface-muted)}.split-layout{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:clamp(3rem,8vw,8rem)}.section-heading{max-width:490px}.section-heading.wide{max-width:760px;margin-bottom:3.5rem}.section-heading h2{margin-bottom:1.35rem;font-size:clamp(2.25rem,4.5vw,4rem);font-weight:500}html[dir=rtl] .section-heading h2{font-weight:750}.section-heading>p:last-child{color:var(--muted)}.section-index{margin-bottom:1.3rem;color:var(--accent);font-family:var(--font-serif);font-size:1.1rem;font-weight:700}.prose{max-width:760px}.prose p{color:var(--muted)}.prose .lead{color:var(--ink);font-family:var(--font-serif);font-size:clamp(1.35rem,2.2vw,1.75rem);line-height:1.55}html[dir=rtl] .prose .lead{font-family:var(--font-arabic);font-weight:600}.expertise-list{display:flex;flex-wrap:wrap;gap:.65rem;margin:2rem 0 0;padding:0;list-style:none}.expertise-list li{padding:.5rem .8rem;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--surface) 82%,transparent);color:var(--brand-strong);font-size:.87rem;font-weight:700}.research-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.1rem;border:0;background:transparent}.research-card{min-height:280px;padding:2rem;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--surface) 88%,transparent);box-shadow:0 12px 32px #02081714}.research-card .card-number{color:var(--accent);font-family:var(--font-serif);font-size:.9rem}.research-card h3{margin:3.2rem 0 .8rem;font-size:1.45rem}.research-card p{margin:0;color:var(--muted);font-size:.94rem}.source-note{max-width:780px;margin:2rem 0 0;padding-inline-start:1rem;border-inline-start:3px solid var(--accent);color:var(--muted);font-size:.9rem}.timeline{max-width:980px;margin:0;padding:0;list-style:none}.timeline-item{position:relative;display:grid;grid-template-columns:190px minmax(0,1fr);gap:2.5rem;padding:0 0 2.5rem 2rem;border-inline-start:1px solid var(--line)}html[dir=rtl] .timeline-item{padding:0 2rem 2.5rem 0}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;inset-inline-start:-6px;top:.5rem;width:11px;height:11px;border:3px solid var(--page);border-radius:50%;background:var(--brand);box-shadow:0 0 0 1px var(--brand)}.timeline-period{color:var(--accent);font-size:.86rem;font-weight:800}.timeline-content h3{margin-bottom:.4rem;font-size:1.35rem}.timeline-content p{margin:0;color:var(--muted)}.education-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.education-card{padding:2rem;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--surface) 88%,transparent);box-shadow:0 12px 32px #02081714}.education-card .degree-level{margin-bottom:1.8rem;color:var(--accent);font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.education-card h3{margin-bottom:.65rem;font-size:1.45rem}.education-card p{margin:0;color:var(--muted)}.credentials-layout{align-items:start}.credential-list{margin:0;padding:0;border-top:1px solid var(--line);list-style:none}.credential-item{display:grid;grid-template-columns:54px minmax(0,1fr);gap:1rem;align-items:center;padding:1.15rem 0;border-bottom:1px solid var(--line)}.credential-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--brand-soft);color:var(--brand-strong);font-family:var(--font-serif);font-weight:700}.credential-item p{margin:0;font-weight:700}.membership-card{margin-top:2rem;padding:1.5rem;border-radius:14px;background:linear-gradient(135deg,#0284c7,#4f46e5);color:#fff;box-shadow:0 16px 38px #0284c73d}.membership-card .label{margin-bottom:.35rem;opacity:.78;font-size:.78rem;font-weight:800;text-transform:uppercase}.membership-card p:last-child{margin:0;font-family:var(--font-serif);font-size:1.25rem}html[dir=rtl] .membership-card p:last-child{font-family:var(--font-arabic)}.gallery-section{padding:clamp(4rem,7vw,7rem) 0;background:var(--surface-muted)}.gallery-frame{position:relative;aspect-ratio:16/9;max-width:820px;margin-inline:auto}.gallery-stage{width:100%;height:100%}.gallery-item{width:100%;height:100%;aspect-ratio:16/9;margin:0;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:0 20px 50px color-mix(in srgb,var(--ink) 14%,transparent)}.gallery-item img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .24s ease}.gallery-item:hover img{transform:scale(1.035)}.gallery-controls{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding-inline:1rem;direction:ltr;pointer-events:none}.gallery-nav{display:grid;place-items:center;width:48px;height:48px;padding:0;border:1px solid var(--line);border-radius:50%;background:color-mix(in srgb,var(--surface) 88%,transparent);color:var(--ink);font-size:1.25rem;cursor:pointer;box-shadow:0 8px 22px color-mix(in srgb,var(--ink) 10%,transparent);transition:transform .16s ease,border-color .16s ease,background-color .16s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);pointer-events:auto}.gallery-nav:hover{transform:translateY(-2px);border-color:var(--brand);background:var(--brand-soft)}.gallery-nav:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:3px}.contact-section{padding:clamp(5rem,8vw,7rem) 0;background:linear-gradient(135deg,#071526,#0b2940 55%,#172554);color:#f8fafc}.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.7fr);gap:clamp(3rem,8vw,8rem);align-items:start}.contact-section .eyebrow{color:inherit;opacity:.75}.contact-section h2{max-width:720px;margin-bottom:1rem;font-size:clamp(2.3rem,5vw,4.2rem);font-weight:500}.contact-section p{max-width:680px;opacity:.84}.contact-details{display:flex;flex-direction:column;font-style:normal}.contact-details a{display:flex;flex-direction:column;padding:1rem 0;border-bottom:1px solid currentColor;text-decoration:none}.contact-details a:first-child{padding-top:0}.contact-details span{opacity:.7;font-size:.78rem;text-transform:uppercase}.contact-details strong{overflow-wrap:anywhere;font-size:1.05rem}.site-footer{padding:1.5rem 0;background:#060b15;color:#f8fafc}[data-theme=dark] .site-footer{background:#090d0b;color:#edf2ee}.footer-row{display:flex;justify-content:center;gap:1rem;align-items:center;text-align:center}.footer-row p{margin:0}.footer-row a{text-decoration:none}.reveal{animation:reveal .65s ease both}@keyframes reveal{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}@media(max-width:980px){.identity-name{display:none}.primary-nav{gap:.75rem}.primary-nav a{font-size:.8rem}.hero-grid,.split-layout,.contact-grid{grid-template-columns:1fr}.hero-profile{max-width:560px}.section-heading{max-width:760px}.research-grid{grid-template-columns:1fr 1fr}}@media(max-width:760px){.shell{width:min(100% - 1.5rem,var(--max-width))}.nav-shell{min-height:68px;gap:.7rem}.menu-toggle{display:flex;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-radius:50%}.menu-toggle span:not(.sr-only){width:17px;height:2px;background:currentColor}.primary-nav{position:absolute;top:100%;inset-inline:0;display:none;align-items:stretch;flex-direction:column;gap:0;padding:.75rem 1.25rem 1.25rem;border-bottom:1px solid var(--line);background:var(--surface)}.primary-nav.open{display:flex}.primary-nav a{padding:.7rem 0;border-bottom:1px solid var(--line);font-size:.95rem}.nav-controls{margin-inline-start:auto}h1{font-size:clamp(2.8rem,16vw,4.5rem)}.hero{padding-top:4.5rem}.hero:before{display:none}.portrait{max-width:320px}.gallery-item{border-radius:16px}.research-grid,.education-grid{grid-template-columns:1fr}.research-card{min-height:auto}.research-card h3{margin-top:2rem}.timeline-item{grid-template-columns:1fr;gap:.35rem;padding-inline-start:1.5rem}html[dir=rtl] .timeline-item{padding-inline-start:0;padding-inline-end:1.5rem}.footer-row{align-items:center;flex-direction:column}}@media(max-width:430px){.language-button{padding-inline:.65rem}.hero-actions .button{width:100%}.profile-facts div{flex-direction:column;gap:.1rem}.profile-facts dd{text-align:start}}