:root{
  --bg:#f6f3ee; --paper:#fffdf9; --ink:#1c2228; --muted:#5d6670; --line:#e2ddd4;
  --accent:#1d3b53; --accent-soft:#e3ebf3;
  --red:#a6192e; --red-soft:#f8e6e8; --gold:#c9962b; --teal:#1f7a74; --teal-soft:#e2f1ef;
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(29,59,83,.25)}
a:hover{border-bottom-color:var(--accent)}
.container{max-width:920px;margin:0 auto;padding:0 28px}

/* Header + tabs */
header.site{background:linear-gradient(135deg,#16314a 0%,#1d3b53 55%,#24506f 100%);border-bottom:4px solid var(--red);color:#fff}
.head{display:flex;align-items:center;gap:16px;padding:22px 0 14px}
.mono{flex:none;width:46px;height:46px;border-radius:10px;background:var(--red);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:19px;border:0}
.mono:hover{border:0}
.name{font-family:var(--serif);font-weight:600;font-size:22px;line-height:1.2;margin:0;color:#fff;border:0}
.name:hover{border:0;color:#f3d9a0}
.sub{color:#c9d6e2;font-size:14px;margin:2px 0 0}
nav.tabs{display:flex;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin:0 -4px}
nav.tabs::-webkit-scrollbar{display:none}
nav.tabs a{flex:none;border:0;border-bottom:3px solid transparent;color:#c9d6e2;font-size:15px;font-weight:500;padding:10px 12px 12px;white-space:nowrap}
nav.tabs a:hover{color:#fff}
nav.tabs a[aria-current="page"]{color:#fff;border-bottom-color:var(--gold)}

/* Content */
main{padding:48px 0 24px}
h1{color:var(--accent);font-family:var(--serif);font-weight:600;font-size:34px;line-height:1.2;margin:0 0 20px;letter-spacing:-.3px}
h2{font-family:var(--serif);font-weight:600;font-size:23px;margin:0 0 16px;letter-spacing:-.2px;color:var(--accent)}
h2:before{content:"";display:inline-block;width:6px;height:20px;background:var(--red);border-radius:2px;margin-right:10px;vertical-align:-2px}
section{padding:0 0 36px;margin:0 0 36px;border-bottom:1px solid var(--line)}
section:last-child{border-bottom:0;margin-bottom:0}
p{margin:0 0 12px}
.lead{font-family:var(--serif);font-size:21px;line-height:1.6}
.muted{color:var(--muted)}

/* Home */
.hero{display:grid;grid-template-columns:1fr 260px;gap:48px;align-items:start}
.card{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:12px;padding:20px 22px;box-shadow:0 6px 18px rgba(29,59,83,.06)}
.card h3{font-size:13px;letter-spacing:.9px;text-transform:uppercase;color:var(--muted);margin:0 0 10px;font-weight:600}
.links{list-style:none;padding:0;margin:0}
.links li{border-bottom:1px solid var(--line)}
.links li:last-child{border-bottom:0}
.links a{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border:0;color:var(--ink);font-size:15px}
.links a span:last-child{color:var(--muted);font-size:13px}
.links a:hover span:first-child{color:var(--accent)}
.now{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.now li{display:grid;grid-template-columns:110px 1fr;gap:16px}
.now .k{color:var(--red);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.6px;padding-top:3px}
.btn{display:inline-block;background:var(--red);color:#fff;border:0;padding:11px 18px;border-radius:8px;font-weight:500;font-size:15px}
.btn:hover{background:#86121f;border:0}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn.ghost:hover{background:var(--accent-soft);border:1px solid var(--accent)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}

/* Lists */
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.tags li{background:var(--accent-soft);color:var(--accent);padding:6px 12px;border-radius:999px;font-size:14px;font-weight:500}
.tags li:nth-child(3n+2){background:var(--red-soft);color:var(--red)}
.tags li:nth-child(3n){background:var(--teal-soft);color:var(--teal)}
.item{display:grid;grid-template-columns:1fr auto;gap:2px 20px;margin-bottom:22px}
.item:last-child{margin-bottom:0}
.item h3{font-size:17px;font-weight:600;margin:0}
.item .when{color:var(--muted);font-size:14px;white-space:nowrap;text-align:right}
.item .where{grid-column:1/-1;color:var(--muted);font-size:15px}
.item ul{grid-column:1/-1;margin:10px 0 0;padding-left:18px}
.item li{margin-bottom:6px}
.ids{margin:0;font-size:15px}
.ids div{display:grid;grid-template-columns:160px 1fr;padding:10px 0;border-bottom:1px solid var(--line)}
.ids div:last-child{border-bottom:0}
.ids dt{color:var(--muted)}
.ids dd{margin:0;overflow-wrap:anywhere}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.three h3{font-size:13px;font-weight:600;margin:0 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.9px}
.plain{list-style:none;padding:0;margin:0}
.plain li{padding:7px 0;border-bottom:1px solid var(--line);font-size:15px}
.plain li:last-child{border-bottom:0}

/* Projects */
.projects{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.projects li{background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:12px;padding:20px;box-shadow:0 6px 18px rgba(29,59,83,.05)}
.projects li:nth-child(2){border-left-color:var(--red)}
.projects li:nth-child(3){border-left-color:var(--teal)}
.projects li:nth-child(4){border-left-color:var(--gold)}
.projects li:nth-child(5){border-left-color:var(--red)}
.projects .meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;margin-bottom:6px}
.projects .loc{font-weight:600;color:var(--red);text-transform:uppercase;letter-spacing:.6px;font-size:12px}
.projects h3{font-size:17px;font-weight:600;margin:0 0 2px;line-height:1.35}
.projects .client{color:var(--muted);font-size:14px;margin:0 0 10px}
.projects .scope{font-size:15px;margin:0}

/* CV */
.cv-frame{width:100%;height:1000px;border:1px solid var(--line);border-radius:12px;background:#fff}

footer{background:#16314a;margin-top:24px}
footer .container span{color:#c9d6e2}
footer a{color:#fff !important;border-bottom-color:rgba(255,255,255,.3)}
footer .container{padding-top:20px;padding-bottom:36px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer a{color:var(--muted)}

@media (max-width:760px){
  .container{padding:0 20px}
  .head{padding:18px 0 10px}
  main{padding:32px 0 16px}
  h1{font-size:28px}
  .lead{font-size:18px}
  .hero{grid-template-columns:1fr;gap:28px}
  .item{grid-template-columns:1fr}
  .item .when{text-align:left}
  .ids div{grid-template-columns:1fr}
  .three{grid-template-columns:1fr}
  .projects{grid-template-columns:1fr}
  .now li{grid-template-columns:1fr;gap:0}
  .cv-frame{height:560px}
  nav.tabs a{padding:10px 8px 12px;font-size:14px}
  .sub{font-size:13px}
}

.side{display:grid;gap:16px}
.affil-card{background:#fff}
.affil-card img{display:block;height:36px;width:auto;margin:4px 0 12px}
.affil-card p{font-size:15px;margin:0;line-height:1.5}
.affil-card .muted{font-size:14px}
.edu-metu{grid-template-columns:auto 1fr auto;align-items:start;column-gap:18px}
.edu-metu .where{grid-column:2/-1}
.edu-metu .edu-logo{grid-row:1/3;height:36px;width:auto;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 8px;box-sizing:content-box;margin-top:2px}
@media (max-width:760px){.edu-metu{grid-template-columns:auto 1fr}.edu-metu .when{grid-column:2}.edu-metu .where{grid-column:2}}

/* Stats strip */
.stats{list-style:none;padding:0;margin:44px 0 40px;display:grid;grid-template-columns:repeat(4,1fr);background:linear-gradient(135deg,#0b1a28,#16314a 60%,#1d3b53);border-radius:14px;overflow:hidden}
.stats li{padding:22px 20px;border-right:1px solid rgba(255,255,255,.09);color:#c9d6e2;font-size:13px;text-transform:uppercase;letter-spacing:.7px}
.stats li:last-child{border-right:0}
.stats b{display:block;font-family:var(--serif);font-size:32px;color:#fff;letter-spacing:0;text-transform:none;line-height:1.1;margin-bottom:4px}
.stats li:nth-child(1) b{color:#f0c76a}
/* Path */
.path{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.path:before{content:"";position:absolute;left:8px;right:8px;top:7px;height:2px;background:linear-gradient(90deg,var(--line),var(--accent) 60%,var(--red))}
.path li{position:relative;padding:28px 16px 0 0;display:flex;flex-direction:column;gap:2px}
.path li:before{content:"";position:absolute;top:0;left:0;width:12px;height:12px;border-radius:50%;background:var(--paper);border:3px solid var(--accent)}
.path li.now-step:before{border-color:var(--red);background:var(--red);box-shadow:0 0 0 5px var(--red-soft)}
.path .yr{color:var(--red);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.6px}
.path b{font-size:15.5px;font-weight:600;line-height:1.35}
.path li span:last-child{color:var(--muted);font-size:14px}
/* Globe */
.globe-panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:28px;align-items:center;background:radial-gradient(120% 120% at 20% 10%,#16314a 0%,#0b1a28 60%,#070f17 100%);border-radius:18px;padding:28px;margin:0 0 32px;color:#dbe5ee}
.globe-wrap{display:flex;justify-content:center}
#globe{cursor:grab;touch-action:none;display:block}
.globe-side h3{color:#fff;font-family:var(--serif);font-size:22px;font-weight:600;margin:0 0 6px}
.globe-side p{color:#9fb3c6;font-size:14px;margin:0 0 16px}
.legend{list-style:none;padding:0;margin:0 0 16px}
.legend li{display:grid;grid-template-columns:14px 1fr auto;gap:10px;align-items:center;padding:9px 10px;border-radius:8px;cursor:pointer;font-size:14px;color:#dbe5ee;transition:background .2s}
.legend li strong{color:#fff;font-weight:600}
.legend li:hover,.legend li.is-active{background:rgba(255,255,255,.08)}
.legend li.is-active strong{color:#f0c76a}
.legend .dot{width:10px;height:10px;border-radius:50%;background:#e2384d;box-shadow:0 0 0 3px rgba(226,56,77,.25)}
.legend .yr{color:#8fa5b9;font-size:12.5px;white-space:nowrap}
.key{display:flex;gap:18px;font-size:12.5px;color:#9fb3c6}
.key i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;vertical-align:0}
.k-proj{background:#e2384d}.k-edu{background:#e8b852}
.projects li{cursor:pointer;transition:transform .2s, box-shadow .2s}
.projects li:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(29,59,83,.10)}
.projects li.is-active{box-shadow:0 0 0 2px var(--gold),0 10px 24px rgba(29,59,83,.10)}
@media (max-width:860px){
  .globe-panel{grid-template-columns:1fr;padding:18px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats li:nth-child(2){border-right:0}
  .stats li:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.09)}
  .path{grid-template-columns:1fr;gap:18px}
  .path:before{left:5px;right:auto;top:6px;bottom:6px;width:2px;height:auto;background:linear-gradient(180deg,var(--line),var(--accent) 60%,var(--red))}
  .path li{padding:0 0 0 28px}
}

/* Header rail + train */
header.site{position:relative;overflow:hidden}
.rail{position:absolute;left:0;right:0;bottom:0;height:46px;pointer-events:none;opacity:.9}
.rail:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 10px,transparent 10px 18px)}
.train{position:absolute;bottom:4px;left:0;transform:translateX(-320px);animation:run 22s linear infinite;filter:drop-shadow(0 2px 3px rgba(0,0,0,.35))}
@keyframes run{0%{transform:translateX(-320px)}100%{transform:translateX(calc(100vw + 20px))}}
nav.tabs{position:relative;z-index:1}
/* Linear schedule */
.ls-card{margin:22px 0 0;background:radial-gradient(120% 140% at 10% 0%,#16314a 0%,#0b1a28 65%);border-radius:16px;padding:18px 18px 12px}
.linsched{width:100%;height:auto;display:block;font-family:var(--sans)}
.ls-grid{stroke:rgba(255,255,255,.08);stroke-width:1}
.ls-tick{fill:#8fa5b9;font-size:11px}
.ls-axis{fill:#c9d6e2;font-size:12px;letter-spacing:.6px}
.ls-station{fill:rgba(255,255,255,.10);stroke:rgba(255,255,255,.25)}
.ls-st{fill:#fff;font-size:11.5px;font-weight:600;letter-spacing:.5px}
.ls-st-mark{fill:#e8b852}
.ls-act{stroke-width:9;stroke-linecap:round;stroke-dasharray:1000;stroke-dashoffset:1000;animation:draw 1.4s ease forwards;opacity:.92}
.ls-label{font-size:12.5px;font-weight:600;opacity:0;animation:fade .6s ease forwards}
.ls-today{stroke:#fff;stroke-width:1.2;stroke-dasharray:5 5;opacity:.6}
.ls-today-t{fill:#fff;font-size:11px;opacity:.75}
.ls-card figcaption{color:#9fb3c6;font-size:13px;padding:8px 6px 4px}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
@media (prefers-reduced-motion:reduce){.train{animation:none;transform:translateX(70vw)}.ls-act{animation:none;stroke-dashoffset:0}.ls-label{animation:none;opacity:1}}
@media (max-width:760px){.ls-label{font-size:15px}.ls-tick{font-size:14px}.ls-st{font-size:14px}.train{width:220px;height:32px}}

/* CV page */
.cv{background:var(--paper);border:1px solid var(--line);border-top:5px solid var(--red);border-radius:14px;padding:36px 40px;box-shadow:0 8px 24px rgba(29,59,83,.06)}
.cv-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:22px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.cv-name{font-family:var(--serif);font-size:28px;font-weight:600;color:var(--accent);margin:0}
.cv-role{color:var(--red);font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin:4px 0 0}
.cv-contact{color:var(--muted);font-size:14px;text-align:right;margin:0}
.cv section{padding-bottom:22px;margin-bottom:22px}
.cv h2{font-size:19px}
.cv .item{margin-bottom:14px}
.cv .item h3{font-size:16px}
@media (max-width:760px){.cv{padding:22px 18px}.cv-contact{text-align:left}}
.globe-panel>*{min-width:0}
.train{animation-delay:-9s}
@media (max-width:860px){.globe-panel{grid-template-columns:minmax(0,1fr)}.legend li{grid-template-columns:14px 1fr}.legend .yr{display:none}}
header.site{padding-bottom:34px}
.rail{height:34px;opacity:.95}
.train{width:210px;height:31px;bottom:3px}
@media (max-width:760px){header.site{padding-bottom:28px}.rail{height:28px}.train{width:160px;height:24px}}

.portrait{display:block;width:200px;height:200px;border-radius:50%;object-fit:cover;margin:0 auto 4px;border:5px solid #fff;box-shadow:0 0 0 3px var(--gold),0 12px 28px rgba(29,59,83,.18)}
.cv-head{align-items:center}
.cv-photo{width:96px;height:96px;border-radius:50%;object-fit:cover;border:3px solid #fff;box-shadow:0 0 0 2px var(--red)}
.cv-id{flex:1}
@media (max-width:760px){.portrait{width:160px;height:160px}}

.portrait-m{display:none}
@media (max-width:760px){.side .portrait{display:none}.portrait-m{display:block;width:132px;height:132px;margin:0 0 22px}}

/* Train follows the active tab */
.train{animation:none !important;transform:none;left:0;visibility:hidden;width:150px !important;height:22px !important;bottom:4px !important}
.train.rev{transform:scaleX(-1)}
.legend li.hq .dot{background:#2fc4b2;box-shadow:0 0 0 3px rgba(47,196,178,.25)}
.k-hq{background:#2fc4b2}
.projects li.hq-card{border-left-color:#2fc4b2 !important;background:linear-gradient(180deg,#f2faf9,var(--paper))}
.projects li.hq-card .loc{color:#1f7a74}
.stats{grid-template-columns:repeat(3,1fr)}
@media (max-width:860px){.stats{grid-template-columns:repeat(3,1fr)}.stats li{border-bottom:0 !important;border-right:1px solid rgba(255,255,255,.09) !important;padding:18px 12px}.stats li:last-child{border-right:0 !important}.stats b{font-size:26px}.stats li{font-size:11px}}
@media (max-width:760px){.train{width:120px !important;height:18px !important}}
@media (max-width:760px){nav.tabs .long{display:none}}

.mono-photo{padding:0;overflow:hidden;background:#fff;border-radius:50% !important;box-shadow:0 0 0 2px var(--gold)}
.mono-photo img{width:100%;height:100%;object-fit:cover;display:block}
.edu-logo.round{height:48px;width:48px;padding:4px;border-radius:50%;object-fit:contain}
.edu-metu{grid-template-columns:110px 1fr auto}
.edu-metu .edu-logo{justify-self:start}
@media (max-width:760px){.edu-metu{grid-template-columns:auto 1fr}}
.edu-metu{grid-template-columns:104px 1fr auto}.edu-metu .edu-logo{justify-self:center}.edu-logo.round{height:52px;width:52px}
.affil-card img.metu-emblem{height:46px;width:auto}

/* Train v2 */
.train{width:190px !important;height:28px !important;bottom:3px !important;transform-origin:50% 50%}
.train .trail{opacity:0;transition:opacity .25s}
.train.moving .trail{opacity:1}
.train .wheel{transform-box:fill-box;transform-origin:center}
.train.moving .wheel circle:last-of-type, .train.moving .wheel path{animation:spin .35s linear infinite;transform-box:fill-box;transform-origin:center}
.train.moving{animation:bob .28s ease-in-out infinite alternate !important}
.train.rev.moving{animation:bobrev .28s ease-in-out infinite alternate !important}
.train .lamp{animation:glow 2.4s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes bob{from{transform:translateY(0)}to{transform:translateY(-.6px)}}
@keyframes bobrev{from{transform:scaleX(-1) translateY(0)}to{transform:scaleX(-1) translateY(-.6px)}}
@keyframes glow{0%,100%{opacity:.75}50%{opacity:1}}
@media (max-width:760px){.train{width:140px !important;height:21px !important}}
@media (prefers-reduced-motion:reduce){.train .lamp,.train.moving,.train.moving .wheel path{animation:none !important}}

/* ---------- Case studies ---------- */
nav.tabs .short{display:none}
@media (max-width:760px){nav.tabs .short{display:inline}}
.case-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px}
.case-card{display:grid;grid-template-columns:1fr 1.15fr;border:0;background:var(--paper);border-radius:16px;overflow:hidden;box-shadow:0 10px 28px rgba(29,59,83,.10);color:var(--ink);transition:transform .25s, box-shadow .25s}
.case-card:hover{border:0;transform:translateY(-3px);box-shadow:0 16px 36px rgba(29,59,83,.16)}
.case-cover{background:radial-gradient(120% 120% at 10% 0%,#24506f,#16314a 55%,#0b1a28);color:#fff;padding:24px;display:flex;flex-direction:column;justify-content:space-between;min-height:250px;position:relative}
.case-cover:after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--red),var(--gold))}
.case-eyebrow{font-size:11.5px;letter-spacing:1.2px;text-transform:uppercase;color:#f0c76a;font-weight:600}
.case-big{font-family:var(--serif);font-size:30px;line-height:1.15;margin:16px 0 0}
.case-big em,.cs-hero h1 em{color:#f0c76a;font-style:italic}
.case-body{padding:22px 24px}
.case-body h3{font-family:var(--serif);font-size:21px;margin:0 0 8px;color:var(--accent)}
.case-body p{font-size:15px;color:var(--muted)}
.case-chips{list-style:none;padding:0;margin:12px 0 16px;display:flex;flex-wrap:wrap;gap:6px}
.case-chips li{font-size:12.5px;background:var(--accent-soft);color:var(--accent);padding:4px 10px;border-radius:999px;font-weight:500}
.case-link{color:var(--red);font-weight:600;font-size:15px}
.case-soon{border:2px dashed var(--line);border-radius:16px;display:grid;place-items:center;color:var(--muted);font-size:14px;padding:30px;text-align:center}

.crumbs{font-size:14px;color:var(--muted);margin:0 0 16px}.crumbs span{margin:0 6px}
.cs-hero{background:radial-gradient(130% 140% at 0% 0%,#24506f 0%,#16314a 50%,#0b1a28 100%);color:#dbe5ee;border-radius:18px;padding:36px 36px 28px;margin:0 0 22px;position:relative;overflow:hidden}
.cs-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--red),var(--gold))}
.cs-hero h1{color:#fff;font-size:40px;margin:12px 0 12px}
.cs-hero p{font-size:17px;max-width:640px;color:#c9d6e2}
.cs-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:24px 0 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}
.cs-meta dt{font-size:11.5px;letter-spacing:1px;text-transform:uppercase;color:#8fa5b9}
.cs-meta dd{margin:2px 0 0;color:#fff;font-size:14.5px;font-weight:500}
.cs-steps{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 34px}
.cs-steps a{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:7px 14px;font-size:14px;color:var(--ink);font-weight:500}
.cs-steps a b{color:var(--red);margin-right:6px;font-size:12px}
.cs-steps a:hover{border-color:var(--accent);background:var(--accent-soft)}
.cs-sec{scroll-margin-top:20px}
.cs-two{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.lead-sm{font-family:var(--serif);font-size:19px;line-height:1.6}
.stat-col{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.stat-col li{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:10px;padding:12px 16px}
.stat-col b{display:block;font-family:var(--serif);font-size:24px;color:var(--accent);line-height:1.2}
.stat-col span{font-size:14px;color:var(--muted)}
.flow-card{margin:6px 0 22px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.flow-card.bad{border-top:4px solid var(--red)}.flow-card.good{border-top:4px solid var(--teal)}
.flow{width:100%;height:auto;display:block;font-family:var(--sans)}
.flow text{font-size:12.5px;text-anchor:middle;fill:var(--ink)}
.flow .fl-h{text-anchor:start;font-size:12px;font-weight:700;letter-spacing:1.5px}
.fl-red{fill:var(--red) !important}.fl-green{fill:var(--teal) !important}
.fl-muted{fill:var(--muted) !important;font-size:12px !important}
.fl-sites rect{fill:#eef2f6;stroke:#c9d4de}
.fl-sites.ok rect{fill:var(--teal-soft);stroke:#9fd3cc}
.fl-tangle path{stroke:rgba(166,25,46,.45);stroke-dasharray:4 4}
.fl-chan rect{fill:var(--red-soft);stroke:#e7b3ba}
.fl-xls rect{fill:#fff;stroke:#d6d1c8}
.fl-xls text{font-size:11.5px;fill:var(--red)}
.fl-mgmt-bad{fill:#fff;stroke:var(--red);stroke-width:2;stroke-dasharray:4 3}
.fl-q{font-size:22px !important;font-weight:700;fill:var(--red) !important}
.fl-cde{fill:var(--accent);filter:drop-shadow(0 6px 12px rgba(29,59,83,.25))}
.fl-cde-t{fill:#fff !important;font-weight:700;font-size:15px !important}
.fl-cde-s{fill:#c9d6e2 !important;font-size:11.5px !important}
.fl-dash>rect:first-child{fill:#0b1a28}
.fl-dash .k1{fill:#24506f}.fl-dash .k2{fill:#a6192e}.fl-dash .b{fill:#2fc4b2}
.fl-flowline{stroke-dasharray:6 4;animation:flow 1.2s linear infinite}
@keyframes flow{to{stroke-dashoffset:-20}}
.pain{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.pain li{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;gap:12px;align-items:flex-start;font-size:14.5px}
.pain i,.modules i,.results i{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center}
.pain i{background:var(--red-soft)}.pain svg{width:20px;height:20px;fill:var(--red)}
.approach,.learn{list-style:none;padding:0;margin:18px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:st}
.learn{grid-template-columns:repeat(3,1fr);margin-top:0}
.approach li,.learn li{counter-increment:st;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px 16px;position:relative;display:flex;flex-direction:column;gap:6px}
.approach li:before,.learn li:before{content:"0" counter(st);font-family:var(--serif);font-size:30px;color:var(--gold);line-height:1}
.approach li:not(:last-child):after{content:"→";position:absolute;right:-13px;top:22px;color:var(--accent);font-weight:700;background:var(--bg);padding:0 2px}
.approach b,.learn b{font-size:15.5px}
.approach span,.learn span{font-size:14px;color:var(--muted)}
.modules{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.modules div{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:12px;padding:16px}
.modules i{background:var(--teal-soft);margin-bottom:10px}.modules svg{width:22px;height:22px;fill:var(--teal)}
.modules h3{font-size:15.5px;margin:0 0 4px}.modules p{font-size:14px;color:var(--muted);margin:0}
.results{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.results li{display:flex;gap:12px;align-items:center;font-size:15.5px}
.results i{width:28px;height:28px}.results svg{width:26px;height:26px;fill:var(--teal)}
.quote{margin:0;background:var(--accent);color:#fff;border-radius:16px;padding:28px;font-family:var(--serif);font-size:28px;line-height:1.3;position:relative}
.quote:before{content:"“";position:absolute;top:-18px;left:18px;font-size:90px;color:var(--gold);line-height:1}
.quote cite{display:block;font-family:var(--sans);font-size:13px;font-style:normal;color:#c9d6e2;margin-top:12px}
.ba{width:100%;border-collapse:separate;border-spacing:0;margin-top:26px;font-size:14.5px;background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ba th,.ba td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.ba tbody tr:last-child th,.ba tbody tr:last-child td{border-bottom:0}
.ba thead th{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);background:#f3efe8}
.ba thead th:nth-child(2){color:var(--red)}.ba thead th:nth-child(3){color:var(--teal)}
.ba tbody th{font-weight:600;width:22%}
.ba td:nth-child(2){color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(166,25,46,.4)}
.ba td:nth-child(3){color:var(--ink);font-weight:500}
.slides{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px;-webkit-overflow-scrolling:touch}
.slides img{flex:none;width:min(440px,80%);height:auto;border-radius:12px;scroll-snap-align:start;box-shadow:0 8px 20px rgba(29,59,83,.12);border:1px solid var(--line)}
@media (max-width:860px){
  .case-grid,.case-card,.cs-two{grid-template-columns:1fr}
  .cs-meta{grid-template-columns:1fr 1fr}
  .cs-hero{padding:26px 20px 22px}.cs-hero h1{font-size:30px}
  .approach,.modules,.learn{grid-template-columns:1fr 1fr}
  .approach li:after{display:none}
  .quote{font-size:22px}
}
@media (max-width:520px){.approach,.modules,.learn{grid-template-columns:1fr}.ba{font-size:13px}.ba th,.ba td{padding:9px 8px}}

/* ---------- Research ---------- */
.thesis{background:radial-gradient(130% 140% at 0% 0%,#24506f 0%,#16314a 50%,#0b1a28 100%);color:#c9d6e2;border-radius:18px;padding:28px 30px;position:relative;overflow:hidden;margin-bottom:8px}
.thesis:after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--red),var(--gold))}
.thesis h3{font-family:var(--serif);color:#fff;font-size:25px;line-height:1.3;margin:10px 0 4px;font-weight:600}
.thesis-sub{color:#f0c76a;font-style:italic;font-family:var(--serif);font-size:17px;margin-bottom:14px}
.thesis p{font-size:15.5px}
.thesis-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.thesis-meta dt{font-size:11.5px;letter-spacing:1px;text-transform:uppercase;color:#8fa5b9}
.thesis-meta dd{margin:2px 0 0;color:#fff;font-size:14.5px;font-weight:500}
.sub-h{font-family:var(--serif);font-size:19px;color:var(--accent);margin:34px 0 14px;font-weight:600}
.rq{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.rq li{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 16px 16px 66px;position:relative;font-size:15px;min-height:72px}
.rq b{position:absolute;left:14px;top:16px;width:40px;height:40px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:12.5px;letter-spacing:.5px}
.rq li:nth-child(2) b{background:var(--teal)}.rq li:nth-child(3) b{background:var(--red)}.rq li:nth-child(4) b{background:var(--gold)}
.pipeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(7,1fr);gap:0;counter-reset:pp}
.pipeline li{counter-increment:pp;position:relative;padding:44px 10px 0;text-align:center}
.pipeline li:before{content:counter(pp);position:absolute;top:0;left:50%;transform:translateX(-50%);width:32px;height:32px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font-weight:600;font-size:14px;z-index:1;box-shadow:0 0 0 4px var(--bg)}
.pipeline li:after{content:"";position:absolute;top:15px;left:50%;width:100%;height:3px;background:linear-gradient(90deg,var(--c),#c9d4de)}
.pipeline li:last-child:after{display:none}
.pipeline b{display:block;font-size:14px;color:var(--ink);line-height:1.3;margin-bottom:4px}
.pipeline span{display:block;font-size:12.5px;color:var(--muted);line-height:1.4}
.access-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:22px;align-items:center}
.access-card{margin:0;background:#0b1a28;border-radius:16px;padding:16px}
.access{width:100%;height:auto;display:block;font-family:var(--sans)}
.ac-grid path{stroke:#2a4258;stroke-width:5;fill:none;stroke-linecap:round}
.ac-nodes circle{fill:#4d6b85}
.ac-base{fill:none;stroke:#2fc4b2;stroke-width:4.5;stroke-linecap:round;stroke-linejoin:round}
.ac-detour{fill:none;stroke:#ff6b7d;stroke-width:3.5;stroke-dasharray:9 7;stroke-linecap:round;stroke-linejoin:round;animation:flow 1.2s linear infinite}
.ac-x circle{fill:#a6192e;stroke:#fff;stroke-width:2}.ac-x path{stroke:#fff;stroke-width:3;stroke-linecap:round}
.ac-fac rect{stroke:#fff;stroke-width:2}.ac-fac .f1{fill:#c9962b}.ac-fac .f2{fill:#24506f}.ac-fac .f3{fill:#1f7a74}
.ac-fac text{fill:#fff;font-weight:700;font-size:17px;text-anchor:middle}
.ac-lab{fill:#c9d6e2;font-size:13px;text-anchor:middle}.ac-lab.red{fill:#ff8a98;font-size:12px}
.access-card figcaption{color:#9fb3c6;font-size:13px;padding:10px 4px 0;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.lg{display:inline-block;width:24px;height:4px;border-radius:2px}.lg.base{background:#2fc4b2}.lg.det{background:repeating-linear-gradient(90deg,#ff6b7d 0 6px,transparent 6px 10px);margin-left:10px}
.access-notes .od{display:flex;gap:10px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:10px;font-size:14.5px}
.access-notes .od b{background:var(--accent);color:#fff;border-radius:6px;padding:3px 8px;font-size:12px}
.access-notes p{font-size:14.5px;color:var(--muted);margin:12px 0}
.dt-fig{margin:0}
.dt-fig img{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);box-shadow:0 10px 26px rgba(29,59,83,.12);display:block}
.dt-fig figcaption{font-size:13.5px;color:var(--muted);margin-top:10px}
.related{margin-top:30px;background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:12px;padding:20px 22px}
.related p{font-size:15px}
@media (max-width:860px){
  .rq{grid-template-columns:1fr}
  .pipeline{grid-template-columns:1fr;gap:14px}
  .pipeline li{text-align:left;padding:0 0 0 46px;min-height:34px}
  .pipeline li:before{left:0;transform:none}
  .pipeline li:after{top:32px;left:15px;width:3px;height:calc(100% - 18px);background:linear-gradient(180deg,var(--c),#c9d4de)}
  .access-wrap{grid-template-columns:1fr}
  .thesis{padding:22px 20px}.thesis h3{font-size:21px}
  .thesis-meta{grid-template-columns:1fr}
}
.ac-lab{paint-order:stroke;stroke:#0b1a28;stroke-width:5px;stroke-linejoin:round}

@media (max-width:760px){nav.tabs a{padding:10px 7px 12px;font-size:13.5px}}
@media (max-width:640px){.flow-card{overflow-x:auto;padding:14px}.flow-card .flow{min-width:540px}}
@media (max-width:520px){.pain{grid-template-columns:1fr}}

/* ---------- Certifications ---------- */
.cert-list{display:grid;gap:16px}
.cert-list.two{grid-template-columns:1fr 1fr}
.cert{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px 22px;display:flex;gap:16px;align-items:flex-start;box-shadow:0 6px 18px rgba(29,59,83,.05)}
.cert h3{font-size:17px;margin:0 0 4px;font-weight:600}
.cert p{margin:0 0 6px;font-size:14.5px}
.cert-level{color:var(--red);font-weight:600;font-size:14px !important}
.ci{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#fff}
.ci svg{width:26px;height:26px}
.ci.gold{background:var(--gold)}.ci.blue{background:var(--accent)}.ci.red{background:var(--red)}
.cert.feature{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;border-top:5px solid var(--gold);padding:26px 28px}
.cert-logo{background:#f0f0f0;border-radius:10px;padding:10px 14px;display:block;width:max-content;margin-bottom:12px}
.cert-logo img{height:44px;width:auto;display:block}
.badge{display:inline-block;background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px;margin-bottom:8px}
.cert.feature h3{font-family:var(--serif);font-size:23px;color:var(--accent)}
.cert.feature .btn{margin-top:10px}
.cert-qr{text-align:center}
.cert-qr img{width:150px;height:150px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:6px;display:block;margin:0 auto 8px}
.cert-qr p{font-size:13px;color:var(--muted);margin:0}
.cert-qr code{font-size:13px;color:var(--ink);background:#f3efe8;padding:1px 6px;border-radius:4px}
@media (max-width:760px){.cert-list.two{grid-template-columns:1fr}.cert.feature{grid-template-columns:1fr;padding:20px}.cert-qr{text-align:left;display:flex;gap:14px;align-items:center}.cert-qr img{margin:0;width:110px;height:110px}}

/* Project assignments timeline */
.assign{list-style:none;padding:0 0 0 22px;margin:0;border-left:3px solid var(--line);display:grid;gap:16px}
.assign li{position:relative;display:grid;grid-template-columns:130px 1fr;gap:16px}
.assign li:before{content:"";position:absolute;left:-30px;top:5px;width:13px;height:13px;border-radius:50%;background:var(--paper);border:3px solid var(--accent)}
.assign li.now:before{background:var(--red);border-color:var(--red);box-shadow:0 0 0 5px var(--red-soft)}
.assign .yr{color:var(--red);font-size:13px;font-weight:600;padding-top:2px}
.assign b{display:block;font-size:16px}
.assign .loc2{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--teal);margin:2px 0}
.assign .firms{display:block;color:var(--muted);font-size:14px}
@media (max-width:760px){.assign li{grid-template-columns:1fr;gap:2px}}
.legend li.edu .dot{background:#e8b852;box-shadow:0 0 0 3px rgba(232,184,82,.25)}
@media (max-width:420px){nav.tabs a{padding:10px 5px 12px;font-size:13px}}
@media (max-width:420px){nav.tabs a{padding:10px 4px 12px;font-size:12.5px}nav.tabs{gap:2px}}