/* ============ HERO ZONE (crumb + hero + subnav share one patterned backdrop) ============ */
.hero-zone{
position:relative;
background-color:var(--paper-2);
padding-bottom:36px;
background-image:
    radial-gradient(circle, rgba(0,38,77,0.09) 1.6px, transparent 1.6px),
    linear-gradient(115deg, rgba(0,38,77,0.05) 1px, transparent 1px);
background-size:24px 24px, 48px 48px;
background-position:0 0, 0 0;
overflow:hidden;
isolation:isolate;
}
.hero-zone::before,
.hero-zone::after{
content:"";
position:absolute;
border-radius:50%;
filter:blur(6px);
pointer-events:none;
z-index:0;
}
.hero-zone::before{top:-140px;right:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(239,126,26,0.16),transparent 70%);}
.hero-zone::after{bottom:-180px;left:-110px;width:400px;height:400px;background:radial-gradient(circle,rgba(0,64,128,0.14),transparent 70%);}
.hero-zone > *{position:relative;z-index:1;}

/* ============ BREADCRUMB ============ */
.crumb{padding-top:106px;font-size:12.5px;color:var(--muted);}
.crumb a:hover{color:var(--orange);}
.crumb span{margin:0 6px;color:var(--line-strong);}

/* ============ PROFILE HERO ============ */
.p-hero{padding-top:26px;}
.p-card{background:linear-gradient(150deg,var(--navy) 0%,#001830 100%);border-radius:26px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,0.08);padding:44px 44px 40px;display:grid;grid-template-columns:auto 1fr;gap:36px;align-items:center;position:relative;overflow:hidden;}
.p-card::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 620px 320px at 88% 0%,rgba(255,154,69,0.16),transparent 60%);pointer-events:none;}
.p-photo{width:150px;height:150px;border-radius:22px;overflow:hidden;border:3px solid rgba(255,255,255,0.15);box-shadow:0 14px 34px rgba(0,0,0,0.3);flex-shrink:0;background:var(--navy-light);position:relative;z-index:2;}
.p-photo img{width:100%;height:100%;object-fit:cover;}
.p-photo .initials{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:44px;color:#fff;}
.p-info{position:relative;z-index:2;min-width:0;}
.p-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.p-tag{font-size:11px;font-weight:700;letter-spacing:0.03em;text-transform:uppercase;color:var(--orange-light);background:rgba(239,126,26,0.14);border:1px solid rgba(239,126,26,0.35);border-radius:999px;padding:5px 12px;}
h1.p-name{font-family:var(--display);font-weight:700;font-size:clamp(26px,3vw,36px);color:#fff;line-height:1.15;}
.p-role{font-size:15.5px;color:rgba(255,255,255,0.8);margin-top:6px;}
.p-meta{display:flex;flex-wrap:wrap;gap:8px 0;margin-top:20px;}
.p-meta-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,0.72);padding-right:22px;margin-right:22px;border-right:1px solid rgba(255,255,255,0.16);}
.p-meta-item:last-child{border-right:none;margin-right:0;padding-right:0;}
.p-meta-item svg{width:15px;height:15px;stroke:var(--orange-light);flex-shrink:0;}
.p-meta-item a:hover{color:#fff;text-decoration:underline;}
.p-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:2;}
@media (max-width:720px){.p-card{grid-template-columns:1fr;text-align:center;padding:34px 24px;}.p-info{width:100%;}.p-tags{justify-content:center;}.p-meta{justify-content:center;}.p-meta-item{border-right:none;margin-right:0;padding-right:0;justify-content:center;width:100%;}.p-actions{justify-content:center;}.p-photo{margin:0 auto;}}

/* quick stat strip under the card */
.p-stats{max-width:1280px;margin:0 auto;padding:0 24px;margin-top:-1px;}
.p-stats-grid{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--surface);border:1px solid var(--line);border-top:none;border-radius:0 0 18px 18px;box-shadow:var(--shadow-sm);overflow-x:auto;}
.p-stat{padding:18px 20px;border-right:1px solid var(--line);text-align:center;}
.p-stat:last-child{border-right:none;}
.p-stat .n{font-family:var(--display);font-weight:700;font-size:20px;color:var(--heading);}
.p-stat .l{font-size:10.5px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--muted);margin-top:4px;}
@media (max-width:640px){.p-stats{padding:0 20px;}}
@media (max-width:900px){
  .p-stats-grid{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);overflow-x:visible;overflow:hidden;}
  .p-stat{border-bottom:1px solid var(--line);}
  .p-stat:nth-child(3n){border-right:none;}
  .p-stat:nth-last-child(-n+3){border-bottom:none;}
}
@media (max-width:560px){
  .p-stats-grid{grid-template-columns:repeat(2,1fr);}
  .p-stat{padding:16px 10px;}
  .p-stat:nth-child(3n){border-right:1px solid var(--line);}
  .p-stat:nth-child(2n){border-right:none;}
  .p-stat:nth-last-child(-n+3){border-bottom:1px solid var(--line);}
  .p-stat:nth-last-child(-n+2){border-bottom:none;}
}

/* ============ STICKY SUB-NAV — its own distinct floating card, not the hero pattern ============ */
.subnav-wrap{
position:sticky;top:66px;z-index:60;
padding:14px 0;
margin-top:24px;
}
.subnav{max-width:1280px;margin:0 auto;padding:4px 24px;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;
background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);}
.subnav::-webkit-scrollbar{display:none;}
.subnav a{flex-shrink:0;font-size:13.5px;font-weight:700;color:var(--muted);padding:14px 14px;border-bottom:2.5px solid transparent;transition:color .2s ease,border-color .2s ease;}
.subnav a:hover{color:var(--heading);}
.subnav a.is-active{color:var(--heading);border-color:var(--orange);}
@media (max-width:640px){.subnav{margin:0 20px;padding:4px 16px;}}

/* ============ SECTIONS ============ */
section.p-block{padding:52px 0;border-bottom:1px solid var(--line);}
section.p-block:last-of-type{border-bottom:none;}
.p-block-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.p-block-head h2{font-family:var(--display);font-weight:700;font-size:clamp(21px,2.4vw,27px);color:var(--heading);}
.p-block-head .count{font-size:12.5px;font-weight:700;color:var(--muted);background:var(--paper-2);border:1px solid var(--line);padding:4px 12px;border-radius:999px;}
.p-block-sub{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* about + campus, side by side in one row */
.about-row{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start;}
@media (max-width:800px){.about-row{grid-template-columns:1fr;}}
.about-col-campus{display:flex;flex-direction:column;}
.about-col-campus .campus-card{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;overflow:hidden;}
.about-col-campus .campus-card-body{padding:20px 22px;}
.about-col-campus .campus-card h4{font-family:var(--display);font-weight:700;font-size:16px;color:var(--heading);}
.about-col-campus .campus-card .addr{font-size:13.5px;color:var(--muted);line-height:1.65;margin-top:8px;}
.about-col-campus .campus-map{position:relative;height:220px;border-top:1px solid var(--line);}
.about-col-campus .campus-map iframe{width:100%;height:100%;border:0;display:block;}
.campus-map-pill{position:absolute;right:12px;bottom:12px;padding:9px 16px;font-size:12.5px;box-shadow:0 8px 22px rgba(0,0,0,0.22);}
.bio-text{font-size:15.5px;line-height:1.8;color:var(--ink);}
.bio-text p + p{margin-top:14px;}
.bio-clamp{max-height:230px;overflow:hidden;position:relative;}
.bio-clamp::after{content:"";position:absolute;left:0;right:0;bottom:0;height:60px;background:linear-gradient(0deg,#fff,rgba(255,255,255,0));}
.bio-toggle{margin-top:16px;background:none;border:none;font-weight:700;font-size:13.5px;color:var(--orange);cursor:pointer;display:inline-flex;align-items:center;gap:6px;}
.bio-toggle svg{width:12px;height:12px;transition:transform .2s ease;}
.bio-toggle.is-open svg{transform:rotate(180deg);}

/* chip lists (research interests / teaching) */
.chip-list{display:flex;flex-wrap:wrap;gap:10px;}
.chip{font-size:13.5px;font-weight:600;color:var(--heading);background:var(--navy-pale);border:1px solid var(--navy-pale-2);border-radius:12px;padding:10px 16px;}

/* project cards */
.proj-group + .proj-group{margin-top:28px;}
.proj-group-title{font-size:12px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--orange);margin-bottom:14px;}
.proj-card{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:20px 22px;}
.proj-card + .proj-card{margin-top:12px;}
.proj-card h4{font-family:var(--display);font-weight:700;font-size:15.5px;color:var(--heading);line-height:1.4;}
.proj-card .meta-line{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6;}
.proj-status{display:inline-block;margin-top:10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.03em;padding:4px 10px;border-radius:999px;background:var(--orange-pale);color:var(--orange);}

/* publications */
.pub-tabs{display:flex;gap:8px;margin-bottom:20px;}
.pub-tab{font-size:13px;font-weight:700;color:var(--muted);background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:9px 18px;cursor:pointer;}
.pub-tab.is-active{background:var(--navy);color:#fff;border-color:var(--navy);}
.pub-panel{display:none;}
.pub-panel.is-active{display:block;}
.pub-list{counter-reset:pub;}
.pub-item{counter-increment:pub;display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.7;color:var(--ink);}
.pub-item:last-child{border-bottom:none;}
.pub-item::before{content:counter(pub);flex-shrink:0;width:28px;height:28px;border-radius:8px;background:var(--navy-pale);color:var(--heading);font-weight:700;font-size:12.5px;display:flex;align-items:center;justify-content:center;margin-top:2px;}

/* timelines: education / experience */
.tl{position:relative;padding-left:28px;}
.tl::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line);}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-28px;top:4px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--orange);}
.tl-item h4{font-family:var(--display);font-weight:700;font-size:15.5px;color:var(--heading);}
.tl-item .org{font-size:13.5px;color:var(--ink);margin-top:3px;}
.tl-item .yr{font-size:12.5px;font-weight:700;color:var(--orange);margin-top:5px;}

/* achievements */
.ach-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (max-width:720px){.ach-grid{grid-template-columns:1fr;}}
.ach-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:box-shadow .25s ease,transform .25s ease;}
.ach-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.ach-card .ic{width:38px;height:38px;border-radius:10px;background:var(--orange-pale);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.ach-card .ic svg{width:18px;height:18px;stroke:var(--orange);}
.ach-card h4{font-family:var(--display);font-weight:700;font-size:15px;color:var(--heading);}
.ach-card p{font-size:13.5px;color:var(--muted);line-height:1.65;margin-top:8px;}

/* responsibilities */
.resp-list{display:flex;flex-direction:column;gap:14px;}
.resp-item{display:flex;gap:14px;font-size:14.5px;line-height:1.7;color:var(--ink);}
.resp-item .dot{flex-shrink:0;width:22px;height:22px;border-radius:7px;background:var(--navy-pale);color:var(--heading);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px;}

/* additional info groups */
.info-group + .info-group{margin-top:28px;}
.info-group-title{font-family:var(--display);font-weight:700;font-size:15.5px;color:var(--heading);margin-bottom:12px;}
.info-group ul{display:flex;flex-direction:column;gap:8px;}
.info-group li{font-size:14px;line-height:1.7;color:var(--ink);padding-left:16px;position:relative;}
.info-group li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--orange);}

[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}

.back-top{display:flex;justify-content:center;padding:36px 0 60px;}

/* ============ FOOTER ============ */
footer.site{background:var(--navy);color:rgba(255,255,255,0.75);padding:56px 0 26px;margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,0.12);}
@media (max-width:720px){.foot-grid{grid-template-columns:1fr;gap:28px;}}
.foot-logo{display:flex;align-items:center;gap:10px;}
.foot-logo .mark{width:34px;height:34px;border-radius:9px;background:var(--orange);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:15px;color:#fff;}
.foot-logo .word{font-family:var(--display);font-size:18px;font-weight:700;color:#fff;}
.foot-col h4{font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:rgba(255,255,255,0.45);margin-bottom:14px;}
.foot-col a, .foot-col div{display:block;font-size:13.5px;color:rgba(255,255,255,0.72);margin-bottom:10px;line-height:1.6;}
.foot-col a:hover{color:#fff;}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:12px;color:rgba(255,255,255,0.45);}



/* ============ LAYOUT ============ */
.profile-layout{max-width:1280px;margin:0 auto;padding:52px 24px 100px;display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start;}
@media (max-width:960px){.profile-layout{grid-template-columns:1fr;padding:40px 22px 70px;}}

/* sidebar */
.sidebar{position:sticky;top:76px;display:flex;flex-direction:column;gap:20px;}
@media (max-width:960px){.sidebar{position:static;}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px 24px;}
.side-card h4{font-size:11px;font-weight:800;letter-spacing:0.06em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;}
.contact-row{display:flex;align-items:flex-start;gap:11px;padding:11px 0;border-top:1px solid var(--line);}
.contact-row:first-of-type{border-top:none;padding-top:0;}
.contact-row .ic{width:32px;height:32px;border-radius:9px;background:var(--navy-pale);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.contact-row .ic svg{width:15px;height:15px;stroke:var(--heading);}
.contact-row .tx{min-width:0;}
.contact-row .lbl{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:0.04em;}
.contact-row .val{font-size:13.5px;font-weight:600;color:var(--heading);word-break:break-word;}
.contact-row .val a:hover{color:var(--orange);}
.highlight-chip{display:flex;gap:10px;align-items:flex-start;background:var(--orange-pale);border-radius:14px;padding:14px 16px;}
.highlight-chip .em{font-size:18px;line-height:1;}
.highlight-chip .val{font-size:12.5px;color:var(--heading);font-weight:600;line-height:1.5;}
.side-toc a{display:block;font-size:13px;font-weight:600;color:var(--muted);padding:8px 0;border-top:1px solid var(--line);}
.side-toc a:first-child{border-top:none;}
.side-toc a:hover, .side-toc a.active{color:var(--orange);}

/* content column */
.content{display:flex;flex-direction:column;gap:28px;min-width:0;}
.content-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:36px;scroll-margin-top:76px;overflow-wrap:break-word;word-break:break-word;}
@media (max-width:600px){.content-card{padding:26px 22px;}}
.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap;}
.card-head h2{font-family:var(--display);font-weight:700;font-size:24px;color:var(--heading);}
.card-count{font-size:12px;font-weight:700;color:var(--muted);background:var(--paper-2);padding:5px 12px;border-radius:999px;}
.card-sub{font-size:12.5px;color:var(--muted);margin-top:-14px;margin-bottom:20px;}
.prose{font-size:15px;line-height:1.85;color:var(--muted);}
.prose p{margin-bottom:14px;}
.prose p:last-child{margin-bottom:0;}

/* simple tag/pill list — research areas, teaching, responsibilities-lite */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-list span{background:var(--paper-2);border:1px solid var(--line);color:var(--heading);font-size:13px;font-weight:600;padding:9px 16px;border-radius:999px;}

/* numbered list — publications, achievements, responsibilities, research projects */
.num-list{list-style:none;counter-reset:item;}
.num-list li{counter-increment:item;display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line);}
.num-list li:first-child{border-top:none;padding-top:0;}
.num-list li::before{content:counter(item);flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--navy-pale);color:var(--heading);font-family:var(--display);font-weight:700;font-size:12px;display:flex;align-items:center;justify-content:center;}
.num-list li .body{flex:1;min-width:0;font-size:14px;line-height:1.7;color:var(--muted);overflow-wrap:break-word;}
.num-list li .body b, .num-list li .body strong{color:var(--heading);}
.num-list li .tag{display:inline-block;font-size:10px;font-weight:800;letter-spacing:0.05em;text-transform:uppercase;color:var(--orange);background:var(--orange-pale);padding:3px 10px;border-radius:999px;margin-bottom:8px;}

/* timeline — education & experience */
.timeline{list-style:none;position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line);}
.timeline li{position:relative;padding-bottom:26px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{content:"";position:absolute;left:-26px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--orange);border:3px solid var(--orange-pale);}
.timeline .role{font-family:var(--display);font-weight:700;font-size:16.5px;color:var(--heading);line-height:1.3;}
.timeline .org{font-size:13.5px;color:var(--muted);margin-top:3px;}
.timeline .yr{font-size:12px;font-weight:700;color:var(--orange);margin-top:5px;}

/* additional info — grouped */
.info-group{margin-bottom:26px;}
.info-group:last-child{margin-bottom:0;}
.info-group-title{font-size:12px;font-weight:800;letter-spacing:0.05em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.info-item{padding:12px 0;border-top:1px solid var(--line);font-size:14px;line-height:1.7;color:var(--muted);overflow-wrap:break-word;}
.info-item:first-child{border-top:none;padding-top:0;}
.info-item b{color:var(--heading);}
.link-list a{display:inline-block;font-size:13.5px;font-weight:700;color:var(--heading);padding:6px 0;}
.link-list a:hover{color:var(--orange);}

/* campus / location */
.campus-map{border-radius:16px;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line);margin-bottom:18px;}
.campus-map iframe{width:100%;height:100%;border:0;}
.campus-addr{font-size:14px;color:var(--muted);line-height:1.7;}
.campus-addr b{color:var(--heading);}

@media (prefers-reduced-motion: reduce){[data-reveal]{opacity:1;transform:none;}}