/* Seif Hashish — seifhashish.com */

:root{
  --bg:#ffffff;
  --bg-alt:#f5f8fc;
  --navy:#071a33;
  --navy-2:#0f2e56;
  --ink:#0b1524;
  --body:#333f4f;
  --muted:#5b6675;
  --accent:#1e5b94;
  --accent-soft:#e8f0f9;
  --line:#e2e7ee;
  --line-soft:#eef2f7;
  --radius:6px;
  --wrap:1120px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:#ffffff;
  background:var(--bg);
  color:#333f4f;
  color:var(--body);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit}
h1,h2,h3{color:#0b1524;color:var(--ink);margin:0;font-weight:600;letter-spacing:-.015em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.wrap{max-width:1120px;max-width:var(--wrap);margin:0 auto;padding:0 24px}

.skip{position:absolute;left:-9999px;top:0;background:#071a33;color:#fff;padding:12px 18px;z-index:200}
.skip:focus{left:8px;top:8px}

::selection{background:#1e5b94;background:var(--accent);color:#fff}

/* ---------- scroll progress ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;background:transparent;pointer-events:none}
.progress span{display:block;height:100%;width:0;background:#1e5b94;background:var(--accent)}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:#ffffff;
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,box-shadow .3s ease,background-color .3s ease;
}
@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .nav{background:rgba(255,255,255,.82);-webkit-backdrop-filter:saturate(160%) blur(10px);backdrop-filter:saturate(160%) blur(10px)}
}
.nav.stuck{border-bottom-color:#e2e7ee;border-bottom-color:var(--line);box-shadow:0 8px 28px -22px rgba(7,26,51,.5)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}

.mark{display:flex;align-items:center;text-decoration:none}
.mark-badge{
  display:inline-block;width:34px;height:34px;line-height:34px;text-align:center;
  background:#071a33;background:var(--navy);color:#fff;border-radius:4px;
  font-family:"Playfair Display","Didot","Bodoni 72",Georgia,"Times New Roman",serif;
  font-size:15px;font-weight:600;letter-spacing:.03em;margin-right:12px;
}
.mark-name{font-family:"Source Serif 4",Georgia,"Times New Roman",serif;font-size:17px;color:#0b1524;color:var(--ink);font-weight:600}

.nav-links a{
  text-decoration:none;color:#5b6675;color:var(--muted);font-size:14.5px;
  margin-left:26px;position:relative;transition:color .2s ease;
}
.nav-links a:hover{color:#0b1524;color:var(--ink)}
.nav-links a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;right:0;bottom:-5px;height:1px;
  background:#1e5b94;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after{transform:scaleX(1)}
.nav-cta{
  background:#071a33;background:var(--navy);color:#fff !important;
  padding:8px 16px;border-radius:4px;
}
.nav-cta:hover{background:#0f2e56;background:var(--navy-2)}
@media (max-width:640px){ .nav-links a:not(.nav-cta){display:none} .nav-in{height:58px} }

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(20px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 84px;overflow:hidden}
.hero-bg{position:absolute;inset:0;top:0;left:0;right:0;bottom:0;pointer-events:none}
.orb{position:absolute;display:block;border-radius:50%;opacity:.5}
.orb-a{width:620px;height:620px;top:-260px;right:-180px;
  background:radial-gradient(circle at 50% 50%,rgba(30,91,148,.16),rgba(30,91,148,0) 68%)}
.orb-b{width:520px;height:520px;bottom:-280px;left:-200px;
  background:radial-gradient(circle at 50% 50%,rgba(7,26,51,.10),rgba(7,26,51,0) 70%)}

.hero-in{display:block;position:relative}
@supports (display:grid){
  .hero-in{display:grid;grid-template-columns:1.15fr 320px;grid-gap:72px;gap:72px;align-items:center}
}

.eyebrow{
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#1e5b94;color:var(--accent);
  font-weight:600;margin-bottom:22px;
}
.hero h1{
  font-family:"Source Serif 4",Georgia,"Times New Roman",serif;
  font-size:64px;font-size:clamp(42px,7.2vw,74px);
  letter-spacing:-.03em;line-height:1.02;margin-bottom:14px;
}
.role{
  font-size:20px;font-weight:500;color:#0f2e56;color:var(--navy-2);margin-bottom:26px;
  padding-bottom:26px;border-bottom:1px solid #e2e7ee;border-bottom:1px solid var(--line);
  max-width:34ch;
}
.lede{font-size:17.5px;max-width:58ch;margin-bottom:32px}
.hero-actions{margin-bottom:24px;font-size:0}
.hero-foot{font-size:14px;color:#5b6675;color:var(--muted)}

.btn{
  display:inline-block;text-decoration:none;font-size:15px;font-weight:500;
  padding:13px 22px;border-radius:4px;border:1px solid transparent;
  margin:0 10px 10px 0;
  transition:transform .22s var(--ease),background-color .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:#071a33;background:var(--navy);color:#fff;box-shadow:0 12px 24px -16px rgba(7,26,51,.9)}
.btn-primary:hover{background:#0f2e56;background:var(--navy-2)}
.btn-ghost{background:#fff;color:#0b1524;color:var(--ink);border-color:#e2e7ee;border-color:var(--line)}
.btn-ghost:hover{border-color:#0f2e56;border-color:var(--navy-2)}
.btn-light{background:#fff;color:#071a33;color:var(--navy)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-outline:hover{border-color:#fff}
.arrow{display:inline-block;margin-left:6px;font-size:.92em;transition:transform .22s var(--ease)}
.btn:hover .arrow{transform:translate(2px,-2px)}

.hero-figure{position:relative;margin-top:44px}
@supports (display:grid){ .hero-figure{margin-top:0} }
.portrait{
  position:relative;z-index:2;max-width:320px;border-radius:6px;border-radius:var(--radius);
  overflow:hidden;background:#f6f6f6;
  border:1px solid #e2e7ee;border:1px solid var(--line);
  box-shadow:0 40px 72px -46px rgba(7,26,51,.55);
}
.portrait img{width:100%}
.portrait-rule{
  position:absolute;z-index:1;left:22px;top:26px;width:100%;max-width:360px;height:100%;
  border:1px solid #1e5b94;border:1px solid var(--accent);opacity:.32;border-radius:6px;border-radius:var(--radius);
}
@media (max-width:860px){
  .hero{padding:118px 0 60px}
  .portrait{max-width:230px}
}

/* ---------- stats ---------- */
.stats{border-top:1px solid #eef2f7;border-top:1px solid var(--line-soft);
       border-bottom:1px solid #eef2f7;border-bottom:1px solid var(--line-soft);
       background:#f5f8fc;background:var(--bg-alt)}
.stats-in{display:block;padding:44px 24px}
@supports (display:grid){
  .stats-in{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:26px;gap:26px}
}
.stat{text-align:left;padding-bottom:18px}
@supports (display:grid){ .stat{padding-bottom:0} }
.num{
  display:block;font-family:"Source Serif 4",Georgia,serif;
  font-size:40px;line-height:1;color:#071a33;color:var(--navy);font-weight:600;letter-spacing:-.02em;
  margin-bottom:8px;
}
.lab{display:block;font-size:13.5px;color:#5b6675;color:var(--muted);line-height:1.45;max-width:22ch}
@media (max-width:760px){
  @supports (display:grid){ .stats-in{grid-template-columns:1fr 1fr;grid-gap:26px;gap:26px} }
  .num{font-size:32px}
}

/* ---------- sections ---------- */
.sec{padding:96px 0}
.sec-alt{background:#f5f8fc;background:var(--bg-alt);border-top:1px solid #eef2f7;border-bottom:1px solid #eef2f7}
.sec-head{max-width:62ch;margin-bottom:52px}
.kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#1e5b94;color:var(--accent);font-weight:600;margin-bottom:16px}
.kicker.light{color:#8fb6d8}
.sec h2{
  font-family:"Source Serif 4",Georgia,"Times New Roman",serif;
  font-size:38px;font-size:clamp(29px,4.2vw,42px);letter-spacing:-.025em;margin-bottom:18px;
}
.sec-lede{font-size:17px;color:#5b6675;color:var(--muted);max-width:56ch}
@media (max-width:760px){ .sec{padding:70px 0} .sec-head{margin-bottom:38px} }

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px;border-left:1px solid #e2e7ee;border-left:1px solid var(--line)}
.tl{position:relative;padding:0 0 42px 6px}
.tl:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:-36px;top:7px;width:9px;height:9px;border-radius:50%;
  background:#fff;border:2px solid #1e5b94;border:2px solid var(--accent);
}
.tl-date{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:#5b6675;color:var(--muted);margin-bottom:7px;font-weight:500}
.tl h3{font-size:20px;margin-bottom:5px}
.tag{
  display:inline-block;vertical-align:middle;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  font-weight:600;color:#1e5b94;color:var(--accent);background:#e8f0f9;background:var(--accent-soft);
  padding:3px 8px;border-radius:3px;margin-left:8px;position:relative;top:-1px;
}
.tl-org{font-size:15px;color:#0f2e56;color:var(--navy-2);margin-bottom:12px;font-weight:500}
.tl ul li{
  position:relative;padding-left:17px;font-size:15.5px;color:#5b6675;color:var(--muted);
  margin-bottom:7px;line-height:1.6;
}
.tl ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:1px;background:#b9c4d2}
@media (max-width:760px){ .timeline{padding-left:22px} .tl-dot{left:-27px} .tl h3{font-size:18px} }

.places{margin-top:56px;padding-top:30px;border-top:1px solid #e2e7ee;border-top:1px solid var(--line)}
.places-t{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#5b6675;color:var(--muted);margin-bottom:16px;font-weight:600}
.chips li{
  display:inline-block;font-size:13.5px;color:#0f2e56;color:var(--navy-2);
  border:1px solid #e2e7ee;border:1px solid var(--line);background:#fff;
  padding:7px 13px;border-radius:100px;margin:0 8px 8px 0;
}
.chips-tight li{font-size:12.5px;padding:5px 11px;margin:0 6px 6px 0}

/* ---------- research ---------- */
.paper{
  background:#fff;border:1px solid #e2e7ee;border:1px solid var(--line);border-radius:6px;border-radius:var(--radius);
  padding:38px;display:block;box-shadow:0 30px 60px -50px rgba(7,26,51,.6);
}
@supports (display:grid){
  .paper{display:grid;grid-template-columns:1fr 210px;grid-gap:40px;gap:40px;align-items:center}
}
.paper h3{font-family:"Source Serif 4",Georgia,serif;font-size:25px;line-height:1.28;margin-bottom:12px;letter-spacing:-.02em}
.paper-meta{font-size:13.5px;color:#1e5b94;color:var(--accent);margin-bottom:16px;font-weight:500}
.paper p{color:#5b6675;color:var(--muted);font-size:16px}
.paper-side{margin-top:26px}
@supports (display:grid){ .paper-side{margin-top:0} }
.pill{border-left:2px solid #1e5b94;border-left:2px solid var(--accent);padding-left:16px;margin-bottom:22px}
.pill:last-child{margin-bottom:0}
.pill-num{display:block;font-family:"Source Serif 4",Georgia,serif;font-size:27px;color:#071a33;color:var(--navy);font-weight:600;line-height:1.1}
.pill-lab{display:block;font-size:12.5px;color:#5b6675;color:var(--muted);letter-spacing:.04em;margin-top:3px}
@media (max-width:760px){ .paper{padding:26px} .paper h3{font-size:21px} }

/* ---------- cards ---------- */
.cards{display:block}
@supports (display:grid){
  .cards{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:18px;gap:18px}
}
.card{
  display:block;text-decoration:none;background:#fff;
  border:1px solid #e2e7ee;border:1px solid var(--line);border-radius:6px;border-radius:var(--radius);
  padding:24px 21px 20px;margin-bottom:18px;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s ease;
}
@supports (display:grid){ .card{margin-bottom:0} }
.card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:#1e5b94;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:0 30px 50px -38px rgba(7,26,51,.75);border-color:#cfd9e6}
.card:hover::before{transform:scaleX(1)}
.card-k{font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:#1e5b94;color:var(--accent);font-weight:600;margin-bottom:10px}
.card h3{font-size:19px;margin-bottom:9px}
.card p{font-size:14px;line-height:1.6;color:#5b6675;color:var(--muted)}
.card-f{margin-top:14px;padding-top:12px;border-top:1px solid #eef2f7;border-top:1px solid var(--line-soft);font-size:13.5px;color:#0f2e56 !important;color:var(--navy-2) !important;font-weight:500}
.star{color:#c9a227}

/* ---------- credentials ---------- */
.grid3{display:block}
@supports (display:grid){
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:48px;gap:48px}
}
.col{margin-bottom:44px}
@supports (display:grid){ .col{margin-bottom:0} }
.col-t{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#071a33;color:var(--navy);margin:0 0 18px;font-weight:600}
.col-t + .col-t,.deflist + .col-t,.ticks + .col-t,.chips + .col-t{margin-top:38px}
.col-note{font-weight:400;letter-spacing:.04em;text-transform:none;color:#5b6675;color:var(--muted);font-size:12.5px;margin-left:8px}
.deflist{margin:0}
.deflist dt{font-size:16px;color:#0b1524;color:var(--ink);font-weight:600;margin-bottom:2px}
.deflist dd{margin:0 0 16px;font-size:14.5px;color:#5b6675;color:var(--muted)}
.ticks li{position:relative;padding-left:20px;margin-bottom:16px}
.ticks li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;border:1.5px solid #1e5b94;border:1.5px solid var(--accent)}
.ticks strong{display:block;font-size:15.5px;color:#0b1524;color:var(--ink);font-weight:600;line-height:1.4}
.ticks span{display:block;font-size:13.5px;color:#5b6675;color:var(--muted);margin-top:1px}
.muted{font-size:14.5px;color:#5b6675;color:var(--muted)}

/* ---------- contact ---------- */
.contact{background:#071a33;background:var(--navy);color:#fff;padding:104px 0;position:relative;overflow:hidden}
.contact::after{
  content:"";position:absolute;width:760px;height:760px;right:-320px;top:-380px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(143,182,216,.14),rgba(143,182,216,0) 66%);
}
.contact-in{position:relative;z-index:2}
.contact h2{
  color:#fff;font-family:"Source Serif 4",Georgia,serif;
  font-size:44px;font-size:clamp(28px,4.6vw,48px);line-height:1.18;letter-spacing:-.025em;margin-bottom:26px;
}
.contact-lede{font-size:17px;color:#b8c7d8;max-width:52ch;margin-bottom:34px}
.contact-actions{font-size:0;margin-bottom:30px}
.contact-loc{font-size:13.5px;color:#8fa3b8;letter-spacing:.04em}
@media (max-width:760px){ .contact{padding:74px 0} .contact h2 br{display:none} }

/* ---------- footer ---------- */
.foot{background:#050f1f;color:#7f8ea1;padding:26px 0;font-size:13.5px}
.foot-in{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.foot p{margin:4px 0}
.foot-links a{color:#7f8ea1;text-decoration:none;margin-left:20px;transition:color .2s ease}
.foot-links a:first-child{margin-left:0}
.foot-links a:hover{color:#fff}
@media (max-width:520px){ .foot-in{display:block} .foot-links{margin-top:6px} .foot-links a{margin:0 20px 0 0} }

/* ---------- motion / print ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

@media print{
  .nav,.progress,.hero-bg,.contact::after{display:none !important}
  body{font-size:12px;color:#000}
  .sec,.hero,.contact{padding:18px 0}
  .contact{background:#fff;color:#000}
  .contact h2,.contact-lede{color:#000}
  a{text-decoration:none;color:#000}
  .js .reveal{opacity:1 !important;transform:none !important}
}

.ticks-sm li{margin-bottom:14px}
.ticks-sm strong{font-size:14.5px}
.ticks-sm span{font-size:13px;line-height:1.55}

/* ---------- responsive grid collapse ---------- */
@media (max-width:1040px){
  .cards{grid-template-columns:1fr 1fr}
  .grid3{grid-template-columns:1fr 1fr;grid-gap:40px;gap:40px}
}
@media (max-width:860px){
  .hero-in{grid-template-columns:1fr;grid-gap:36px;gap:36px}
  .hero-figure{margin-top:8px}
  .paper{grid-template-columns:1fr;grid-gap:26px;gap:26px}
  .paper-side{margin-top:4px}
  .role{max-width:none;margin-bottom:22px;padding-bottom:22px}
  .lede{max-width:none}
}
@media (max-width:680px){
  .cards{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr;grid-gap:36px;gap:36px}
  .portrait{max-width:240px}
  .lab{max-width:none}
}

/* ---------- stats: 5 across, then 3, then 2 ---------- */
@media (max-width:1140px){ .stats-in{grid-template-columns:repeat(3,1fr);grid-gap:26px;gap:26px} }
@media (max-width:700px){  .stats-in{grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px} }
.num{white-space:nowrap}

/* ---------- top-skill chips ---------- */
.chips-key li{
  font-size:13px;font-weight:600;color:#1e5b94;color:var(--accent);
  background:#e8f0f9;background:var(--accent-soft);
  border-color:#cfe0f0;padding:6px 13px;margin:0 6px 7px 0;
}

/* ---------- hero: strengths ---------- */
.strengths{margin:0 0 30px;padding:0;font-size:0}
.strengths li{
  display:inline-block;font-size:16.5px;font-weight:600;line-height:1.2;
  color:#071a33;color:var(--navy);
  padding:0 18px 0 15px;margin:0 0 6px;position:relative;
  border-left:1px solid #dbe3ec;
}
.strengths li:first-child{padding-left:13px}
.strengths li::before{
  content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;
  background:#1e5b94;background:var(--accent);
}
@media (max-width:520px){
  .strengths li{display:block;border-left:0;padding-left:14px;margin-bottom:9px}
}

/* ---------- hero: selected credentials ---------- */
.credstrip{margin-top:6px;padding-top:22px;border-top:1px solid #eef2f7;border-top:1px solid var(--line-soft)}
.credstrip-t{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#5b6675;color:var(--muted);font-weight:600;margin-bottom:12px}
.credstrip ul{margin:0;padding:0}
.credstrip li{font-size:13.5px;color:#5b6675;color:var(--muted);line-height:1.5;margin-bottom:4px}
.credstrip li strong{color:#0b1524;color:var(--ink);font-weight:600;margin-right:7px}

/* ---------- certificates accordion ---------- */
.acc{
  margin-top:54px;background:#fff;border:1px solid #e2e7ee;border:1px solid var(--line);
  border-radius:6px;border-radius:var(--radius);overflow:hidden;
  box-shadow:0 30px 60px -54px rgba(7,26,51,.7);
  transition:box-shadow .3s var(--ease),border-color .3s ease;
}
.acc[open]{box-shadow:0 34px 64px -46px rgba(7,26,51,.55);border-color:#cfd9e6}
.acc-sum{
  list-style:none;cursor:pointer;display:block;position:relative;
  padding:24px 68px 24px 28px;
  transition:background-color .25s ease;
}
.acc-sum::-webkit-details-marker{display:none}
.acc-sum:hover{background:#f8fafd}
.acc-t{display:block;font-size:19px;font-weight:600;color:#0b1524;color:var(--ink);letter-spacing:-.01em}
.acc-h{display:block;font-size:12.5px;color:#5b6675;color:var(--muted);margin-top:5px;letter-spacing:.03em}
.acc-i{
  position:absolute;right:28px;top:50%;margin-top:-7px;width:13px;height:13px;
  border-right:2px solid #1e5b94;border-right:2px solid var(--accent);
  border-bottom:2px solid #1e5b94;border-bottom:2px solid var(--accent);
  transform:rotate(45deg);transition:transform .35s var(--ease);
}
.acc[open] .acc-i{transform:rotate(-135deg);margin-top:-3px}
.acc-body{padding:4px 28px 30px;border-top:1px solid #eef2f7;border-top:1px solid var(--line-soft)}
.acc[open] .acc-body{animation:accIn .45s var(--ease) both}
@keyframes accIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@supports (column-count:3){
  }
@media (max-width:620px){
    .acc-sum{padding:20px 56px 20px 20px}
  .acc-body{padding:4px 20px 24px}
  .acc-i{right:20px}
}

/* ======================================================================
   Motion
   ====================================================================== */

/* anchors clear the fixed header */
section[id]{scroll-margin-top:86px}

/* headings rise out of a mask */
.js .mask{display:block;overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}
.js .mask > span{display:block;transform:translateY(112%);transition:transform .78s var(--ease)}
.js .mask.in > span{transform:none}
.js .mask.reveal{opacity:1;transform:none}

/* the timeline rail draws itself downward */
.timeline{border-left:0}
.timeline::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:1px;
  background:#e2e7ee;background:var(--line);
  transform:scaleY(0);transform-origin:top;
}
.js .timeline.reveal{opacity:1;transform:none}
.js .timeline.in::before{transform:scaleY(1);transition:transform 1.2s var(--ease)}
.timeline:not(.reveal)::before{transform:scaleY(1)}

.js .tl .tl-dot{transform:scale(0);transition:transform .55s var(--ease) .12s,background-color .25s ease}
.js .tl.in .tl-dot{transform:scale(1)}
.tl:hover .tl-dot{background:#1e5b94;background:var(--accent)}

/* header retracts on the way down, returns on the way up */
.nav{transition:transform .45s var(--ease),border-color .3s ease,box-shadow .3s ease,background-color .3s ease}
.nav.hide{transform:translateY(-101%)}

/* portrait drifts a little against the scroll */

/* light sweeps across a button on hover */
.btn{position:relative;overflow:hidden}
.btn::after{
  content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;pointer-events:none;
  background:linear-gradient(100deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.26) 50%,rgba(255,255,255,0) 100%);
  transform:skewX(-18deg);transition:left .75s var(--ease);
}
.btn:hover::after{left:135%}
.btn-ghost::after,.btn-light::after{
  background:linear-gradient(100deg,rgba(30,91,148,0) 0%,rgba(30,91,148,.13) 50%,rgba(30,91,148,0) 100%);
}

/* chips and strengths arrive one after another */
.js .strengths li,.js .chips li{opacity:0;transform:translateY(9px)}
.js .reveal.in .chips li,.js .strengths.in li{
  opacity:1;transform:none;
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
.js .reveal.in .chips li:nth-child(1),.js .strengths.in li:nth-child(1){transition-delay:.04s}
.js .reveal.in .chips li:nth-child(2),.js .strengths.in li:nth-child(2){transition-delay:.10s}
.js .reveal.in .chips li:nth-child(3),.js .strengths.in li:nth-child(3){transition-delay:.16s}
.js .reveal.in .chips li:nth-child(4){transition-delay:.22s}
.js .reveal.in .chips li:nth-child(5){transition-delay:.28s}
.js .reveal.in .chips li:nth-child(6){transition-delay:.34s}
.js .reveal.in .chips li:nth-child(7){transition-delay:.40s}
.js .reveal.in .chips li:nth-child(8){transition-delay:.46s}
.js .reveal.in .chips li:nth-child(9){transition-delay:.52s}
.js .reveal.in .chips li:nth-child(10){transition-delay:.58s}

/* the study card and the project cards settle rather than snap */
.paper{transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.paper:hover{transform:translateY(-3px);box-shadow:0 40px 70px -50px rgba(7,26,51,.75)}
.pill{transition:border-color .3s ease}
.paper:hover .pill{border-color:#0f2e56;border-color:var(--navy-2)}

/* everything above is off when the viewer asks for less motion */
@media (prefers-reduced-motion:reduce){
  .js .mask > span,.js .tl .tl-dot,.js .strengths li,.js .chips li{transform:none !important;opacity:1 !important}
  .timeline::before{transform:scaleY(1) !important}
  .nav.hide{transform:none !important}
  .btn::after{display:none}
  .portrait{transform:none !important}
}

.paper-cite{margin-top:14px;padding-top:13px;border-top:1px solid #eef2f7;border-top:1px solid var(--line-soft);
  font-size:12.5px !important;color:#5b6675 !important;color:var(--muted) !important;line-height:1.55}

/* the mask adds .14em of padding, so give the original gap back */
.js .hero h1.mask{margin-bottom:calc(14px - .14em)}
.js .sec h2.mask{margin-bottom:calc(18px - .14em)}
.js .contact h2.mask{margin-bottom:calc(26px - .14em)}

/* ======================================================================
   Certification
   ====================================================================== */
.certs{margin-top:62px;padding-top:46px;border-top:1px solid #e2e7ee;border-top:1px solid var(--line)}
.certs-head{margin-bottom:26px}
.certs-head h3{
  font-family:"Source Serif 4",Georgia,"Times New Roman",serif;
  font-size:29px;letter-spacing:-.02em;margin-bottom:9px;
}
.certs-head p{font-size:15.5px;color:#5b6675;color:var(--muted);max-width:56ch}

/* the three that matter */
.feat{display:block;margin-bottom:26px}
@supports (display:grid){
  .feat{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}
}
.fcard{
  position:relative;overflow:hidden;background:#fff;
  border:1px solid #e2e7ee;border:1px solid var(--line);
  border-radius:6px;border-radius:var(--radius);
  padding:28px 26px 24px;margin-bottom:20px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s ease;
}
@supports (display:grid){ .fcard{margin-bottom:0} }
.fcard::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:#1e5b94;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease);
}
.fcard:hover{transform:translateY(-4px);box-shadow:0 30px 54px -40px rgba(7,26,51,.7);border-color:#cfd9e6}
.fcard:hover::before{transform:scaleX(1)}
.fcard-n{
  position:absolute;right:22px;top:16px;
  font-family:"Source Serif 4",Georgia,serif;font-size:38px;line-height:1;
  color:#eef2f7;color:var(--line-soft);font-weight:600;letter-spacing:-.03em;
}
.fcard-i{font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:#1e5b94;color:var(--accent);font-weight:600;margin-bottom:11px;max-width:70%}
.fcard h4{font-size:19.5px;font-weight:600;color:#0b1524;color:var(--ink);margin:0 0 11px;line-height:1.25;letter-spacing:-.01em}
.fcard-d{font-size:14px;color:#5b6675;color:var(--muted);line-height:1.6}
.fcard-m{margin-top:16px;padding-top:13px;border-top:1px solid #eef2f7;border-top:1px solid var(--line-soft);
  font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#5b6675;color:var(--muted);font-weight:500}
@media (max-width:960px){ .feat{grid-template-columns:1fr 1fr} }
@media (max-width:640px){ .feat{grid-template-columns:1fr} }

/* filter bar */
.filters{padding:24px 0 20px;font-size:0}
.fbtn{
  display:inline-block;font-family:inherit;cursor:pointer;
  font-size:13px;font-weight:500;color:#0f2e56;color:var(--navy-2);
  background:#fff;border:1px solid #e2e7ee;border:1px solid var(--line);
  border-radius:100px;padding:7px 15px;margin:0 8px 8px 0;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .2s var(--ease);
}
.fbtn span{opacity:.55;margin-left:5px;font-variant-numeric:tabular-nums}
.fbtn:hover{border-color:#0f2e56;border-color:var(--navy-2);transform:translateY(-1px)}
.fbtn.is-on{background:#071a33;background:var(--navy);border-color:#071a33;color:#fff}
.fbtn.is-on span{opacity:.62}

/* the full list */
.crows{display:block}
@supports (display:grid){
  .crows{display:grid;grid-template-columns:1fr 1fr;grid-gap:0 40px;gap:0 40px}
}
.crow{display:flex;align-items:flex-start;padding:11px 0;border-bottom:1px solid #eef2f7;border-bottom:1px solid var(--line-soft)}
.crow.off{display:none}
.crow-m{
  flex:0 0 auto;width:26px;height:26px;line-height:26px;text-align:center;margin-right:13px;
  border-radius:4px;background:#e8f0f9;background:var(--accent-soft);
  color:#1e5b94;color:var(--accent);font-size:11.5px;font-weight:600;letter-spacing:.02em;
}
.crow-b{flex:1 1 auto;min-width:0}
.crow-n{display:block;font-size:14.5px;color:#0b1524;color:var(--ink);line-height:1.4}
.crow-s{display:block;font-size:12px;color:#5b6675;color:var(--muted);margin-top:2px}
.crows.flash{animation:crowIn .34s var(--ease) both}
@keyframes crowIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (max-width:760px){ .crows{grid-template-columns:1fr} }

/* ---------- credentials columns: aligned hairline rows ---------- */
.col-t{
  margin:0 0 2px;padding-bottom:13px;
  border-bottom:1px solid #071a33;border-bottom:1px solid var(--navy);
}
.rows{margin:0;padding:0}
.rows li{padding:12px 0;border-bottom:1px solid #eef2f7;border-bottom:1px solid var(--line-soft)}
.rows li:last-child{border-bottom:0}
.rows-tight li{padding:9px 0}
.r-n{display:block;font-size:15px;font-weight:500;color:#0b1524;color:var(--ink);line-height:1.4}
.r-m{display:block;font-size:12.5px;color:#5b6675;color:var(--muted);margin-top:3px}
.r-d{display:block;font-size:12.5px;color:#5b6675;color:var(--muted);margin-top:7px;line-height:1.58}
.rows + .col-t{margin-top:36px}

/* strengths: rules only, no dots */
.strengths li::before{display:none}
.strengths li{padding:0 19px;border-left:1px solid #dbe3ec}
.strengths li:first-child{padding-left:0;border-left:0}
@media (max-width:520px){
  .strengths li{display:block;border-left:0;padding:0 0 0 0;margin-bottom:8px}
}

/* ---------- contact: statement beside a card ---------- */
.contact{padding:96px 0}
.contact-in{display:block}
@supports (display:grid){
  .contact-in{display:grid;grid-template-columns:1.25fr 360px;grid-gap:72px;gap:72px;align-items:center}
}
.contact h2{margin-bottom:22px}
.contact-lede{margin-bottom:32px}
.contact-actions{margin-bottom:0}

.vcard{
  position:relative;margin-top:48px;padding:32px 30px 12px;
  border:1px solid rgba(143,182,216,.24);border-radius:8px;
  background:rgba(255,255,255,.045);
}
@supports (display:grid){ .vcard{margin-top:0} }
@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .vcard{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
}
.vcard-m{
  display:inline-block;width:38px;height:38px;line-height:38px;text-align:center;
  border-radius:5px;background:#ffffff;color:#071a33;
  font-family:"Playfair Display","Didot",Georgia,serif;font-size:17px;font-weight:600;
  letter-spacing:.03em;margin-bottom:20px;
}
.vcard-n{font-family:"Source Serif 4",Georgia,serif;font-size:25px;color:#fff;letter-spacing:-.02em;line-height:1.1}
.vcard-r{font-size:13.5px;color:#9dc0dd;margin-top:6px;letter-spacing:.02em}
.vcard-rows{margin:24px 0 0}
.vcard-rows > div{padding:13px 0;border-top:1px solid rgba(143,182,216,.16)}
.vcard-rows dt{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#8fa3b8;font-weight:600;margin-bottom:4px}
.vcard-rows dd{margin:0;font-size:13.5px;color:#dce7f2;line-height:1.55;word-break:break-word}
@media (max-width:900px){
  .contact-in{grid-template-columns:1fr;grid-gap:44px;gap:44px}
  .vcard{max-width:400px}
}
@media (max-width:760px){ .contact{padding:74px 0} }

/* intro rhythm and the top-skills label */
.lede{margin-bottom:34px}
.strengths-t{
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:#5b6675;color:var(--muted);font-weight:600;margin-bottom:13px;
}
.strengths{margin:0 0 34px}

/* hours badge: same shape as the role tag, quieter colour */
.tag-h{
  color:#0f2e56;color:var(--navy-2);
  background:#eef2f7;background:var(--line-soft);
  margin-left:6px;
}

/* portrait sits a little above centre on desktop */
@media (min-width:861px){
  .hero-figure{margin-top:-42px}
}

/* ---------- keyboard focus ---------- */
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid #1e5b94;outline:2px solid var(--accent);
  outline-offset:3px;border-radius:3px;
}
.contact a:focus-visible,.foot a:focus-visible{outline-color:#fff}
/* older browsers without :focus-visible still get something */
a:focus,button:focus,summary:focus{outline:2px solid #1e5b94;outline-offset:3px}
a:focus:not(:focus-visible),button:focus:not(:focus-visible),summary:focus:not(:focus-visible){outline:none}

/* the filter bar only works with scripting, so only show it then */
.filters{display:none}
.js .filters{display:block}

/* ---------- clinical exposure: rows, not pills ---------- */
.places-list{margin:0;padding:0;display:block}
@supports (display:grid){
  .places-list{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:0 44px;gap:0 44px}
}
.places-list li{
  font-size:15px;color:#0b1524;color:var(--ink);font-weight:500;line-height:1.4;
  padding:12px 0;border-top:1px solid #eef2f7;border-top:1px solid var(--line-soft);
  opacity:1;transform:none;
}
.js .reveal.in .places-list li{opacity:1;transform:none}
@media (max-width:900px){ .places-list{grid-template-columns:1fr 1fr;grid-gap:0 32px;gap:0 32px} }
@media (max-width:600px){ .places-list{grid-template-columns:1fr} }

@media (max-width:760px){ .foot p{max-width:32ch} }

/* the portrait cannot be dragged out of the page or right-clicked directly */
.portrait img{
  -webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;user-drag:none;
  pointer-events:none;
  -webkit-touch-callout:none;
}

/* ======================================================================
   Dark theme
   ====================================================================== */


/* ---------- Arabic name ---------- */
.name-ar{
  font-family:"Amiri","Geeza Pro","Segoe UI",'Noto Naskh Arabic',serif;
  font-size:30px;line-height:1.5;font-weight:400;
  color:#5b6675;color:var(--muted);
  margin:-4px 0 20px;direction:rtl;text-align:left;
}
.vcard-ar{
  font-family:"Amiri","Geeza Pro","Segoe UI",'Noto Naskh Arabic',serif;
  font-size:19px;line-height:1.6;color:#9dc0dd;margin-top:3px;direction:rtl;text-align:left;
}
@media (max-width:620px){ .name-ar{font-size:25px} }

/* ---------- theme switch ---------- */
.tsw{
  position:relative;display:inline-block;vertical-align:middle;
  width:58px;height:30px;margin-left:18px;padding:0;cursor:pointer;
  border:1px solid #e2e7ee;border:1px solid var(--line);
  background:#f5f8fc;background:var(--bg-alt);
  border-radius:100px;
  transition:border-color .3s ease,background-color .3s ease;
  -webkit-tap-highlight-color:transparent;
}
.tsw:hover{border-color:#cfd9e6}
.tsw-thumb{
  position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;
  background:#fff;
  box-shadow:0 2px 6px -1px rgba(7,26,51,.28), 0 0 0 1px rgba(7,26,51,.05);
  transition:transform .42s cubic-bezier(.6,-0.28,.32,1.4);
}
.tsw-i{
  position:absolute;top:0;width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  transition:color .3s ease,opacity .3s ease;
}
.tsw-sun{left:0;color:#0f2e56;color:var(--navy-2);opacity:1}
.tsw-moon{right:0;color:#9aa6b6;opacity:.55}

[data-theme="dark"] .tsw{background:#16233A;border-color:#26344F}
[data-theme="dark"] .tsw:hover{border-color:#3A4C6E}
[data-theme="dark"] .tsw-thumb{
  transform:translateX(28px);
  background:#7AA2F7;
  box-shadow:0 2px 8px -1px rgba(0,0,0,.55), 0 0 0 1px rgba(122,162,247,.35);
}
[data-theme="dark"] .tsw-sun{color:#5A6B85;opacity:.5}
[data-theme="dark"] .tsw-moon{color:#08101E;opacity:1}

@media (prefers-reduced-motion:reduce){ .tsw-thumb{transition:none} }
@media (max-width:640px){ .tsw{margin-left:12px} }

/* ---------- dark: neutral black, not navy ---------- */
[data-theme="dark"]{
  --bg:#0A0A0C;
  --bg-alt:#101013;
  --ink:#F2F2F4;
  --body:#B5B5BC;
  --muted:#87878F;
  --accent:#7AA2F7;
  --accent-soft:#181A21;
  --line:#232328;
  --line-soft:#19191D;
  --navy:#F2F2F4;
  --navy-2:#C9CBD2;
}

[data-theme="dark"] body{background:#0A0A0C;color:#B5B5BC}
[data-theme="dark"] .nav{background:#0A0A0C}
@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  [data-theme="dark"] .nav{background:rgba(10,10,12,.84)}
}
[data-theme="dark"] .nav.stuck{box-shadow:0 8px 28px -22px #000}
[data-theme="dark"] .mark-badge{background:#17171B;color:#F2F2F4;border:1px solid #2A2A31}
[data-theme="dark"] .nav-cta{background:#F2F2F4;color:#0A0A0C !important}
[data-theme="dark"] .nav-cta:hover{background:#FFFFFF}

[data-theme="dark"] .orb-a{background:radial-gradient(circle at 50% 50%,rgba(122,162,247,.10),rgba(122,162,247,0) 68%)}
[data-theme="dark"] .orb-b{background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.04),rgba(255,255,255,0) 70%)}

[data-theme="dark"] .btn-primary{background:#F2F2F4;color:#0A0A0C;box-shadow:0 12px 24px -16px rgba(0,0,0,.9)}
[data-theme="dark"] .btn-primary:hover{background:#FFFFFF}
[data-theme="dark"] .btn-ghost{background:transparent;color:#F2F2F4;border-color:#232328}
[data-theme="dark"] .btn-ghost:hover{border-color:#4A4A54}
[data-theme="dark"] .btn::after{background:linear-gradient(100deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.09) 50%,rgba(255,255,255,0) 100%)}

[data-theme="dark"] .portrait{background:#101013;border:1px solid #232328;box-shadow:0 40px 72px -46px #000}
[data-theme="dark"] .portrait img{opacity:.93}

[data-theme="dark"] .paper,
[data-theme="dark"] .card,
[data-theme="dark"] .acc,
[data-theme="dark"] .fcard{background:#111114;border-color:#232328}
[data-theme="dark"] .card:hover,
[data-theme="dark"] .fcard:hover{border-color:#35353D;box-shadow:0 30px 50px -38px #000}
[data-theme="dark"] .paper:hover{box-shadow:0 40px 70px -50px #000}
[data-theme="dark"] .acc-sum:hover{background:#151519}
[data-theme="dark"] .fcard-n{color:#1E1E23}

[data-theme="dark"] .fbtn{background:#111114;color:#B5B5BC;border-color:#232328}
[data-theme="dark"] .fbtn:hover{border-color:#4A4A54;color:#F2F2F4}
[data-theme="dark"] .fbtn.is-on{background:#F2F2F4;border-color:#F2F2F4;color:#0A0A0C}
[data-theme="dark"] .crow-m{background:#181A21;color:#7AA2F7}

[data-theme="dark"] .tl-dot{background:#0A0A0C;border-color:#7AA2F7}
[data-theme="dark"] .tl ul li::before{background:#3B3B44}
[data-theme="dark"] .tag{background:#181A21;color:#7AA2F7}
[data-theme="dark"] .tag-h{background:#19191D;color:#C9CBD2}
[data-theme="dark"] .col-t{border-bottom-color:#3A3A43}
[data-theme="dark"] .num,
[data-theme="dark"] .pill-num{color:#F2F2F4}
[data-theme="dark"] .star{color:#D6A93A}
[data-theme="dark"] .chips li{background:#111114;border-color:#232328;color:#B5B5BC}

[data-theme="dark"] .contact{background:#000000}
[data-theme="dark"] .contact::after{background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.05),rgba(255,255,255,0) 66%)}
[data-theme="dark"] .contact h2{color:#F7F7F9}
[data-theme="dark"] .contact-lede{color:#A9A9B2}
[data-theme="dark"] .kicker.light{color:#8A8A92}
[data-theme="dark"] .vcard{background:rgba(255,255,255,.035);border-color:rgba(255,255,255,.10)}
[data-theme="dark"] .vcard-r{color:#9A9AA3}
[data-theme="dark"] .vcard-ar{color:#9A9AA3}
[data-theme="dark"] .vcard-rows > div{border-top-color:rgba(255,255,255,.09)}
[data-theme="dark"] .vcard-rows dt{color:#7E7E87}
[data-theme="dark"] .vcard-rows dd{color:#D8D8DD}
[data-theme="dark"] .btn-light{background:#F2F2F4;color:#0A0A0C}
[data-theme="dark"] .btn-outline{border-color:rgba(255,255,255,.24)}
[data-theme="dark"] .foot{background:#050506;color:#75757D}
[data-theme="dark"] .foot-links a{color:#75757D}
[data-theme="dark"] .progress span{background:#F2F2F4}
[data-theme="dark"] ::selection{background:#F2F2F4;color:#0A0A0C}

/* the switch, in black */
[data-theme="dark"] .tsw{background:#17171B;border-color:#2A2A31}
[data-theme="dark"] .tsw:hover{border-color:#41414B}
[data-theme="dark"] .tsw-thumb{
  transform:translateX(28px);background:#F2F2F4;
  box-shadow:0 2px 8px -1px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.12);
}
[data-theme="dark"] .tsw-sun{color:#4E4E57;opacity:.6}
[data-theme="dark"] .tsw-moon{color:#0A0A0C;opacity:1}

/* blur is the one GPU-hungry effect here: drop it where GPUs are weakest */
@media (max-width:860px){
  .nav{-webkit-backdrop-filter:none !important;backdrop-filter:none !important;background:#fff}
  [data-theme="dark"] .nav{background:#0A0A0C}
}
@media (prefers-reduced-transparency:reduce){
  .nav{-webkit-backdrop-filter:none !important;backdrop-filter:none !important;background:#fff}
  [data-theme="dark"] .nav{background:#0A0A0C}
}

/* ---------- header on small screens ---------- */
.mark-name{white-space:nowrap}
@media (max-width:640px){
  .nav-in{height:56px}
  .mark-badge{width:30px;height:30px;line-height:30px;font-size:13.5px;margin-right:9px}
  .mark-name{font-size:15px}
  .nav-cta{padding:7px 13px;font-size:13.5px;margin-left:0}
  .tsw{width:52px;height:28px;margin-left:10px}
  .tsw-thumb{width:20px;height:20px;top:3px;left:3px}
  .tsw-i{width:26px;height:26px}
  [data-theme="dark"] .tsw-thumb{transform:translateX(24px)}
}
@media (max-width:400px){
  .mark-name{display:none}
  .mark-badge{margin-right:0}
}