:root{
  color-scheme:light;
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --surface:#ffffff;
  --surface-2:#eef3f9;
  --surface-glass:rgba(255,255,255,.78);
  --text:#071426;
  --muted:#5c6878;
  --subtle:#7e8a99;
  --navy:#0b2b53;
  --navy-2:#123d70;
  --blue:#2764a5;
  --blue-soft:#dceaf9;
  --sky:#8eb8ef;
  --line:#dce4ee;
  --line-strong:#c6d2df;
  --success:#16846b;
  --warning:#9b6a17;
  --shadow:0 18px 55px rgba(13,35,61,.10);
  --shadow-soft:0 9px 30px rgba(13,35,61,.07);
  --radius-xl:34px;
  --radius-lg:24px;
  --radius-md:17px;
  --shell:min(1180px,calc(100% - 44px));
  --font-sans:Inter,Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;
  --font-serif:"Iowan Old Style","Noto Serif KR",Georgia,serif;
}
html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#07111f;
  --bg-soft:#0a1626;
  --surface:#0d1a2b;
  --surface-2:#112238;
  --surface-glass:rgba(9,20,35,.82);
  --text:#f4f7fb;
  --muted:#aab6c7;
  --subtle:#8190a6;
  --navy:#9bc4f4;
  --navy-2:#c4dcf8;
  --blue:#75a9e3;
  --blue-soft:#132f4f;
  --sky:#a5cdf9;
  --line:#20344c;
  --line-strong:#314b68;
  --success:#62cfb1;
  --warning:#f0c46f;
  --shadow:0 22px 70px rgba(0,0,0,.30);
  --shadow-soft:0 10px 35px rgba(0,0,0,.20);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{
  margin:0;
  min-width:320px;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 0%,rgba(142,184,239,.12),transparent 28rem),
    radial-gradient(circle at 94% 12%,rgba(39,100,165,.08),transparent 31rem),
    var(--bg);
  font-family:var(--font-sans);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.25;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
}
img,svg{max-width:100%;display:block}
a{color:inherit}
button,input{font:inherit}
::selection{background:var(--blue-soft);color:var(--text)}
.shell{width:var(--shell);margin-inline:auto}
.skip-link{
  position:fixed;top:12px;left:12px;z-index:1000;transform:translateY(-150%);
  padding:11px 16px;border-radius:12px;background:var(--navy);color:var(--bg);
  font-weight:750;text-decoration:none;transition:transform .2s ease;
}
.skip-link:focus{transform:none}
:focus-visible{outline:3px solid var(--sky);outline-offset:4px;border-radius:8px}
.section{padding:clamp(78px,10vw,140px) 0}
.section-compact{padding:clamp(58px,7vw,95px) 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.section-head-copy{max-width:710px}
.eyebrow{
  display:flex;align-items:center;gap:10px;margin:0 0 16px;color:var(--blue);
  font-size:12px;line-height:1.2;font-weight:800;letter-spacing:.13em;text-transform:uppercase;
}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3{letter-spacing:-.045em}
h2{font-size:clamp(36px,5vw,64px);line-height:1.06;margin-bottom:18px}
h3{font-size:clamp(22px,2.3vw,32px);line-height:1.18}
.lede{max-width:700px;color:var(--muted);font-size:clamp(17px,1.6vw,20px);line-height:1.8}
.kicker{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.muted{color:var(--muted)}
.small{font-size:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;min-height:32px;padding:6px 11px;border:1px solid var(--line);
  border-radius:999px;background:var(--surface);color:var(--muted);font-size:12px;font-weight:700;
}
.tag.accent{color:var(--navy);background:var(--blue-soft);border-color:transparent}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 19px;
  border:1px solid transparent;border-radius:999px;font-weight:800;text-decoration:none;transition:.22s ease;
  cursor:pointer;
}
.button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2}
.button-primary{background:var(--navy);color:var(--bg);box-shadow:0 10px 30px rgba(11,43,83,.18)}
html[data-theme="dark"] .button-primary{color:#07111f}
.button-primary:hover{transform:translateY(-2px);background:var(--navy-2)}
.button-secondary{background:var(--surface);border-color:var(--line);color:var(--text)}
.button-secondary:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:800;text-decoration:none;
}
.text-link::after{content:"↗";font-size:.9em;transition:transform .2s}
.text-link:hover::after{transform:translate(2px,-2px)}
.site-header{
  position:sticky;top:0;z-index:100;padding:14px 0;transition:.25s ease;
}
.site-header.is-scrolled{padding:8px 0}
.nav-shell{
  width:var(--shell);min-height:62px;margin:auto;padding:7px 9px 7px 13px;display:flex;align-items:center;
  gap:18px;border:1px solid rgba(198,210,223,.75);border-radius:19px;background:var(--surface-glass);
  backdrop-filter:blur(18px) saturate(150%);box-shadow:0 8px 28px rgba(13,35,61,.08);
}
html[data-theme="dark"] .nav-shell{border-color:rgba(49,75,104,.7)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;white-space:nowrap}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,#0b2b53,#2764a5);
  color:#fff;font-size:12px;font-weight:900;letter-spacing:-.02em;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-name{font-weight:850;letter-spacing:-.025em}
.nav-links{display:flex;align-items:center;gap:3px;margin-left:auto}
.nav-links a{
  min-height:42px;display:flex;align-items:center;padding:0 13px;border-radius:12px;color:var(--muted);
  font-size:14px;font-weight:750;text-decoration:none;transition:.2s;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text);background:var(--surface-2)}
.nav-actions{display:flex;align-items:center;gap:6px}
.icon-button,.language-toggle,.menu-toggle{
  min-width:42px;min-height:42px;border:1px solid transparent;border-radius:12px;background:transparent;
  color:var(--text);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.2s;
}
.icon-button:hover,.language-toggle:hover,.menu-toggle:hover{background:var(--surface-2)}
.icon-button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8}
.language-toggle{padding:0 10px;color:var(--muted);font-size:12px;font-weight:800;gap:3px}
.language-option.is-active{color:var(--navy)}
.icon-moon{display:none}
html[data-theme="dark"] .icon-sun{display:none}
html[data-theme="dark"] .icon-moon{display:block}
.menu-toggle{display:none;flex-direction:column;gap:6px}
.menu-toggle span{width:18px;height:1.5px;background:currentColor;transition:.2s}
.hero{padding:clamp(56px,8vw,100px) 0 clamp(80px,10vw,132px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(430px,.98fr);align-items:center;gap:clamp(45px,6vw,82px)}
.hero-copy h1{font-size:clamp(49px,6.4vw,88px);line-height:.99;margin:0 0 27px}
.hero-copy h1 strong{display:block;color:var(--navy);font-weight:850}
.hero-description{max-width:660px;color:var(--muted);font-size:clamp(17px,1.7vw,21px);line-height:1.82}
.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin:30px 0 24px}
.profile-links{display:flex;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:14px;font-weight:700}
.profile-links a{text-decoration:none}
.profile-links a:hover{color:var(--navy)}
.availability{display:inline-flex;align-items:center;gap:8px}
.status-dot{width:8px;height:8px;border-radius:50%;background:#2bb596;box-shadow:0 0 0 5px rgba(43,181,150,.13)}
.evidence-visual{
  position:relative;min-height:565px;border:1px solid var(--line);border-radius:var(--radius-xl);
  background:
    linear-gradient(145deg,rgba(255,255,255,.92),rgba(239,245,252,.76)),
    var(--surface);
  box-shadow:var(--shadow);overflow:hidden;isolation:isolate;
}
html[data-theme="dark"] .evidence-visual{
  background:linear-gradient(145deg,rgba(17,34,56,.96),rgba(7,17,31,.85));
}
.evidence-visual::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:48px 48px;opacity:.33;mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
.visual-top{display:flex;align-items:center;justify-content:space-between;padding:21px 23px 0;color:var(--subtle);font-size:11px;font-weight:800;letter-spacing:.12em}
.visual-chip{display:inline-flex;align-items:center;gap:7px}
.visual-chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 16px var(--blue)}
.evidence-svg{width:100%;height:auto;padding:8px 13px 0;color:var(--navy)}
.evidence-svg .gridline{stroke:var(--line);stroke-width:1}
.evidence-svg .edge{fill:none;stroke:#8ea7c2;stroke-width:2;stroke-linecap:round;opacity:.42}
.evidence-svg .edge.active{stroke:var(--blue);stroke-width:3;opacity:.96;stroke-dasharray:8 8;animation:route 9s linear infinite}
.evidence-svg .ghost{fill:var(--surface-2);stroke:var(--line-strong);stroke-width:1.2}
.evidence-svg .selected{fill:var(--navy);stroke:var(--sky);stroke-width:5}
.evidence-svg .core{fill:var(--blue);stroke:#fff;stroke-width:4}
.evidence-svg text{font-family:var(--font-sans);fill:var(--muted);font-size:12px;font-weight:750}
.evidence-svg .label-strong{fill:var(--text);font-size:14px;font-weight:850}
.evidence-svg .pulse{transform-origin:center;animation:pulse 2.8s ease-in-out infinite}
.route-card{
  position:absolute;left:22px;right:22px;bottom:22px;padding:17px 18px;display:grid;grid-template-columns:1fr auto;
  gap:15px;align-items:center;border:1px solid var(--line);border-radius:18px;background:var(--surface-glass);
  backdrop-filter:blur(15px);box-shadow:var(--shadow-soft)
}
.route-metric{display:flex;gap:8px;align-items:baseline}
.route-metric strong{font-size:28px;line-height:1;color:var(--navy);letter-spacing:-.05em}
.route-metric span{color:var(--muted);font-size:12px;font-weight:700}
.route-nodes{display:flex;align-items:center}
.route-nodes i{display:block;width:10px;height:10px;margin-left:-2px;border:2px solid var(--surface);border-radius:50%;background:var(--sky)}
.route-nodes i:nth-child(2){background:var(--blue)}
.route-nodes i:nth-child(3){background:var(--navy)}
@keyframes route{to{stroke-dashoffset:-160}}
@keyframes pulse{50%{transform:scale(1.08);opacity:.72}}
.proof-strip{margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.proof-item{padding:18px 20px;border-top:1px solid var(--line)}
.proof-item strong{display:block;margin-bottom:5px;color:var(--navy);font-size:25px;letter-spacing:-.05em}
.proof-item span{color:var(--muted);font-size:13px}
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:15px}
.bento-card{
  position:relative;min-height:245px;padding:27px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--surface);box-shadow:var(--shadow-soft);overflow:hidden;
}
.bento-card:hover{border-color:var(--line-strong)}
.bento-card.span-7{grid-column:span 7}
.bento-card.span-5{grid-column:span 5}
.bento-card.span-4{grid-column:span 4}
.bento-card.span-8{grid-column:span 8}
.bento-card.tall{min-height:330px}
.bento-card .index{color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.12em}
.bento-card h3{margin:42px 0 12px}
.bento-card p{color:var(--muted);margin-bottom:0}
.bento-card .mini-graph{position:absolute;right:-30px;top:-5px;width:230px;opacity:.6}
.bento-stat{display:flex;align-items:end;gap:10px;margin:42px 0 12px}
.bento-stat strong{font-size:clamp(44px,5vw,72px);line-height:.85;color:var(--navy);letter-spacing:-.075em}
.bento-stat span{padding-bottom:4px;color:var(--muted);font-size:13px;font-weight:700}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.work-card{
  position:relative;display:flex;flex-direction:column;min-height:390px;padding:28px;border:1px solid var(--line);
  border-radius:var(--radius-lg);background:var(--surface);text-decoration:none;box-shadow:var(--shadow-soft);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;overflow:hidden;
}
.work-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.work-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:55px}
.work-card-number{color:var(--subtle);font:700 12px/1 ui-monospace,SFMono-Regular,monospace;letter-spacing:.1em}
.work-card-arrow{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);transition:.2s}
.work-card:hover .work-card-arrow{background:var(--navy);color:var(--bg);transform:rotate(8deg)}
.work-card h3{font-size:clamp(27px,3vw,40px);max-width:610px;margin-bottom:14px}
.work-card p{max-width:610px;color:var(--muted)}
.work-card-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:auto;padding-top:25px}
.status{
  display:inline-flex;align-items:center;min-height:30px;padding:5px 10px;border-radius:999px;background:var(--surface-2);
  color:var(--muted);font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.08em;
}
.status.published{background:rgba(22,132,107,.11);color:var(--success)}
.status.review{background:rgba(155,106,23,.12);color:var(--warning)}
.card-visual{height:116px;margin:-15px 0 25px;border-radius:17px;background:var(--bg-soft);overflow:hidden}
.card-visual svg{width:100%;height:100%}
.project-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:17px}
.project-card{grid-column:span 6}
.project-card.featured{grid-column:span 7}
.project-card.compact{grid-column:span 5}
.project-card .project-meta{display:flex;justify-content:space-between;gap:12px;color:var(--subtle);font-size:12px;font-weight:800}
.project-card .project-type{color:var(--blue)}
.project-card h3{margin:48px 0 12px}
.metric-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:21px}
.metric-chip{padding:8px 11px;border-radius:11px;background:var(--surface-2);color:var(--navy);font-size:12px;font-weight:800}
.bio-note{border-style:dashed}
.portrait-teaser{
  display:grid;grid-template-columns:360px minmax(0,1fr);gap:clamp(35px,6vw,85px);align-items:center;
  padding:clamp(24px,4vw,45px);border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--surface);
  box-shadow:var(--shadow-soft)
}
.portrait-frame{
  position:relative;aspect-ratio:4/5;border-radius:26px;overflow:hidden;background:var(--surface-2);
}
.portrait-frame img{width:100%;height:100%;object-fit:cover}
.portrait-frame::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);border-radius:inherit}
.portrait-caption{position:absolute;left:14px;right:14px;bottom:14px;padding:11px 13px;border-radius:14px;background:rgba(7,20,38,.76);color:#fff;backdrop-filter:blur(12px);font-size:12px}
.portrait-copy h2{max-width:720px}
.quote{font-family:var(--font-serif);font-size:clamp(22px,2.8vw,34px);line-height:1.5;color:var(--navy)}
.contact-panel{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:50px;align-items:center;padding:clamp(30px,5vw,62px);
  border-radius:var(--radius-xl);background:linear-gradient(135deg,#0a284e,#174b80);color:#fff;box-shadow:var(--shadow)
}
.contact-panel .eyebrow,.contact-panel h2{color:#fff}
.contact-panel p{color:rgba(255,255,255,.72)}
.contact-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.contact-panel .button-primary{background:#fff;color:#0b2b53}
.contact-panel .button-secondary{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.18)}
.qr-card{padding:16px;border-radius:22px;background:#fff;color:#0b2b53;text-align:center}
.qr-card img{width:100%;border-radius:10px}
.qr-card strong{display:block;margin-top:9px;font-size:13px}
.site-footer{padding:32px 0 55px}
.footer-shell{display:flex;justify-content:space-between;gap:30px;padding-top:25px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.page-hero{padding:clamp(65px,9vw,118px) 0 56px}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:60px;align-items:end}
.page-hero h1{font-size:clamp(50px,7vw,94px);line-height:.98;margin:0 0 24px}
.page-hero-aside{padding:24px;border-left:1px solid var(--line);color:var(--muted)}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:25px;color:var(--subtle);font-size:13px;font-weight:700}
.breadcrumbs a{text-decoration:none}
.breadcrumbs a:hover{color:var(--navy)}
.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filter-button{min-height:40px;padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-weight:750;cursor:pointer}
.filter-button.is-active{color:var(--bg);background:var(--navy);border-color:var(--navy)}
.research-thesis{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.thesis-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.thesis-card h3{margin-top:45px}
.publication-list{display:flex;flex-direction:column}
.publication{
  display:grid;grid-template-columns:140px minmax(0,1fr) 130px;gap:24px;padding:30px 0;border-top:1px solid var(--line);text-decoration:none;
}
.publication:last-child{border-bottom:1px solid var(--line)}
.pub-year{color:var(--blue);font-size:13px;font-weight:850}
.publication h3{margin:0 0 10px;font-size:clamp(23px,2.6vw,34px)}
.publication p{color:var(--muted);margin:0}
.pub-action{text-align:right;color:var(--navy);font-size:13px;font-weight:800}
.about-hero{display:grid;grid-template-columns:minmax(340px,.78fr) minmax(0,1.22fr);gap:clamp(42px,7vw,95px);align-items:center}
.about-photo{position:relative}
.about-photo .portrait-frame{aspect-ratio:4/5}
.photo-orbit{position:absolute;inset:-20px;border:1px solid var(--line);border-radius:42px;transform:rotate(2deg);z-index:-1}
.about-copy h1{font-size:clamp(52px,7vw,90px);line-height:.98;margin-bottom:24px}
.about-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:29px}
.fact{padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.fact strong{display:block;margin-bottom:4px;color:var(--navy)}
.timeline{position:relative;margin-top:35px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:7px;width:1px;background:var(--line)}
.timeline-item{position:relative;padding:0 0 31px 38px}
.timeline-item::before{content:"";position:absolute;left:2px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--surface);border:3px solid var(--blue)}
.timeline-item time{display:block;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.06em}
.timeline-item h3{margin:4px 0 5px;font-size:21px}
.timeline-item p{color:var(--muted);margin:0}
.capability-cloud{display:flex;flex-wrap:wrap;gap:10px}
.capability{padding:11px 15px;border-radius:14px;background:var(--surface);border:1px solid var(--line);font-weight:750}
.case-hero{padding:55px 0 72px}
.case-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:60px;align-items:end}
.case-hero h1{font-size:clamp(45px,6vw,82px);line-height:1.02;margin-bottom:24px}
.case-summary{font-size:clamp(18px,1.8vw,22px);line-height:1.75;color:var(--muted)}
.case-facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.case-fact{min-height:112px;padding:17px;background:var(--surface)}
.case-fact span{display:block;margin-bottom:8px;color:var(--subtle);font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.09em}
.case-fact strong{font-size:15px;line-height:1.4}
.case-cover{
  min-height:390px;margin-bottom:70px;border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow-soft)
}
.case-cover svg{width:100%;height:100%;min-height:390px}
.case-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:70px;justify-content:center}
.case-nav{position:sticky;top:100px;align-self:start}
.case-nav strong{display:block;margin-bottom:14px;color:var(--subtle);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.case-nav a{display:block;padding:8px 0;color:var(--muted);font-size:13px;font-weight:700;text-decoration:none}
.case-nav a:hover{color:var(--navy)}
.case-body section{scroll-margin-top:110px;margin-bottom:72px}
.case-body h2{font-size:clamp(31px,4vw,48px)}
.case-body h3{margin-top:35px}
.case-body p,.case-body li{color:var(--muted);font-size:17px;line-height:1.85}
.case-body ul{padding-left:20px}
.insight{
  margin:30px 0;padding:23px 25px;border-left:4px solid var(--blue);border-radius:0 18px 18px 0;background:var(--surface-2)
}
.insight strong{display:block;margin-bottom:5px;color:var(--navy)}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}
.result-card{padding:21px;border:1px solid var(--line);border-radius:17px;background:var(--surface)}
.result-card strong{display:block;color:var(--navy);font-size:27px;letter-spacing:-.05em}
.result-card span{color:var(--muted);font-size:13px}
.process{display:grid;gap:12px;margin-top:24px}
.process-item{display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;padding:18px;border:1px solid var(--line);border-radius:17px;background:var(--surface)}
.process-number{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--blue-soft);color:var(--navy);font-weight:900}
.process-item h3{font-size:18px;margin:0 0 4px}
.process-item p{font-size:15px;margin:0}
.next-projects{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.next-project{padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);text-decoration:none}
.next-project span{color:var(--blue);font-size:12px;font-weight:850;text-transform:uppercase}
.next-project h3{margin:30px 0 0}
.notice{
  padding:20px 22px;border:1px dashed var(--line-strong);border-radius:18px;background:var(--bg-soft);color:var(--muted)
}
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.is-visible{opacity:1;transform:none}
.back-to-top{
  position:fixed;right:20px;bottom:20px;z-index:80;width:48px;height:48px;border:1px solid var(--line);
  border-radius:50%;background:var(--surface-glass);color:var(--text);backdrop-filter:blur(14px);box-shadow:var(--shadow-soft);
  opacity:0;visibility:hidden;transform:translateY(8px);cursor:pointer;transition:.2s;
}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:none}
@media(max-width:980px){
  :root{--shell:min(100% - 32px,900px)}
  .nav-links{
    position:absolute;left:16px;right:16px;top:80px;display:none;flex-direction:column;align-items:stretch;padding:10px;
    border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow)
  }
  .nav-links.is-open{display:flex}
  .nav-links a{justify-content:center}
  .menu-toggle{display:inline-flex}
  .hero-grid,.about-hero,.case-hero-grid{grid-template-columns:1fr}
  .hero-grid{gap:45px}
  .evidence-visual{max-width:680px;width:100%;margin:auto}
  .proof-strip{grid-template-columns:repeat(2,1fr)}
  .bento-card.span-7,.bento-card.span-5,.bento-card.span-4,.bento-card.span-8{grid-column:span 6}
  .portrait-teaser{grid-template-columns:300px 1fr}
  .page-hero-grid{grid-template-columns:1fr}
  .page-hero-aside{border-left:0;border-top:1px solid var(--line)}
  .publication{grid-template-columns:100px 1fr}
  .pub-action{grid-column:2;text-align:left}
  .case-layout{grid-template-columns:1fr}
  .case-nav{display:none}
}
@media(max-width:720px){
  :root{--shell:calc(100% - 24px)}
  .section{padding:76px 0}
  .section-head{display:block}
  .nav-shell{min-height:58px;border-radius:17px}
  .brand-name{display:none}
  .hero{padding-top:42px}
  .hero-copy h1{font-size:clamp(43px,13vw,65px)}
  .evidence-visual{min-height:475px}
  .visual-top{padding:17px 17px 0}
  .route-card{left:14px;right:14px;bottom:14px}
  .proof-strip{margin-top:36px}
  .proof-item{padding:14px 10px}
  .bento{grid-template-columns:1fr}
  .bento-card.span-7,.bento-card.span-5,.bento-card.span-4,.bento-card.span-8{grid-column:auto}
  .cards{grid-template-columns:1fr}
  .work-card{min-height:350px;padding:23px}
  .project-grid{display:block}
  .project-card{margin-bottom:14px}
  .portrait-teaser{grid-template-columns:1fr;padding:18px}
  .portrait-frame{max-width:360px;width:100%;margin:auto}
  .contact-panel{grid-template-columns:1fr;padding:28px}
  .qr-card{max-width:230px}
  .footer-shell{flex-direction:column}
  .research-thesis{grid-template-columns:1fr}
  .publication{grid-template-columns:1fr;gap:8px}
  .pub-action{grid-column:1}
  .about-facts{grid-template-columns:1fr}
  .case-facts{grid-template-columns:1fr}
  .case-cover,.case-cover svg{min-height:270px}
  .result-grid{grid-template-columns:1fr}
  .next-projects{grid-template-columns:1fr}
}
@media(max-width:440px){
  .language-toggle{min-width:38px;padding:0 7px}
  .icon-button,.menu-toggle{min-width:38px}
  .hero-actions .button{width:100%}
  .profile-links{gap:7px}
  .route-card{grid-template-columns:1fr}
  .route-nodes{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}

@media (pointer:fine){.evidence-visual .evidence-svg{transform:translate(var(--mx,0px),var(--my,0px));transition:transform .18s ease-out}}

[hidden]{display:none!important}

/* --- v3 homepage / research refresh --- */
.hero-home-grid{grid-template-columns:minmax(0,1.03fr) minmax(360px,.97fr);align-items:start;gap:clamp(28px,4vw,56px)}
.hero-side{display:grid;gap:16px}
.quick-intro-list{display:grid;gap:10px;margin:24px 0 0}
.quick-intro-item{display:grid;gap:2px;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.quick-intro-item .label{color:var(--subtle);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.quick-intro-item strong{font-size:15px;line-height:1.55;color:var(--text)}
.identity-card,.site-graph-card{padding:20px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-soft)}
.identity-card-top{display:grid;grid-template-columns:118px minmax(0,1fr);gap:18px;align-items:center}
.identity-card-top img{width:118px;height:118px;border-radius:24px;object-fit:cover;background:var(--surface-2);border:1px solid var(--line)}
.identity-card h2{margin:6px 0 8px;font-size:clamp(30px,4vw,38px);line-height:1.05}
.identity-card h2 span{display:block;font-size:.52em;color:var(--muted);font-weight:700}
.identity-card-top p:last-child{margin:0;color:var(--muted)}
.identity-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.identity-meta div{padding:12px 14px;border-radius:16px;background:var(--bg-soft)}
.identity-meta span{display:block;margin-bottom:6px;color:var(--subtle);font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.identity-meta strong{font-size:14px;line-height:1.45;color:var(--text)}
.graph-map{position:relative;height:440px;border-radius:24px;overflow:hidden;background:linear-gradient(180deg,var(--bg-soft),rgba(142,184,239,.08));border:1px solid var(--line)}
.graph-map-svg{position:absolute;inset:0;width:100%;height:100%}
.graph-map .edge-soft path{fill:none;stroke:var(--line-strong);stroke-width:2.4;stroke-linecap:round;stroke-dasharray:6 8;opacity:.9}
.graph-node{position:absolute;display:grid;gap:2px;min-width:116px;padding:12px 14px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);text-decoration:none;color:var(--text);box-shadow:var(--shadow-soft);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
html[data-theme="dark"] .graph-node{background:rgba(13,26,43,.92)}
.graph-node strong{font-size:13px;line-height:1.2;color:var(--navy)}
.graph-node span{font-size:11px;line-height:1.35;color:var(--muted)}
.graph-node:hover{transform:translateY(-3px) scale(1.01);border-color:var(--line-strong);box-shadow:var(--shadow)}
.graph-node.is-center{min-width:136px;padding:16px 18px;border-radius:999px;background:var(--navy);border-color:var(--navy);color:var(--bg);text-align:center}
.graph-node.is-center strong,.graph-node.is-center span{color:var(--bg)}
.node-center{left:50%;top:46%;transform:translate(-50%,-50%)}
.node-center:hover{transform:translate(-50%,-52%) scale(1.01)}
.node-top-left{left:8%;top:11%}
.node-top-right{right:7%;top:11%}
.node-mid-left{left:5%;top:43%}
.node-mid-right{right:4%;top:46%}
.node-bottom-left{left:18%;bottom:10%}
.node-bottom-right{right:13%;bottom:11%}
.node-top-center{left:50%;top:8%;transform:translateX(-50%)}
.node-top-center:hover{transform:translateX(-50%) translateY(-3px) scale(1.01)}
.graph-hint-card{margin-top:14px;left:auto;right:auto;bottom:auto;position:relative}
.highlights-marquee{margin-top:26px;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.marquee-track{display:flex;gap:14px;width:max-content;animation:marquee 36s linear infinite}
.highlights-marquee:hover .marquee-track{animation-play-state:paused}
.highlight-card{display:grid;gap:5px;min-width:228px;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow-soft)}
.highlight-card strong{font-size:25px;line-height:1;color:var(--navy);letter-spacing:-.04em}
.highlight-card span{font-size:13px;color:var(--muted)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.filter-toolbar{display:grid;gap:16px;margin-bottom:16px;padding:20px;border:1px solid var(--line);border-radius:22px;background:var(--surface)}
.filter-block{display:grid;gap:10px}
.filter-label{font-size:12px;font-weight:850;letter-spacing:.1em;text-transform:uppercase;color:var(--subtle)}
.filter-empty{margin:18px 0 0;color:var(--muted);font-weight:650}
@media(max-width:980px){
  .hero-home-grid{grid-template-columns:1fr}
  .identity-card-top{grid-template-columns:102px 1fr}
  .identity-card-top img{width:102px;height:102px}
}
@media(max-width:720px){
  .hero-side{gap:14px}
  .identity-meta{grid-template-columns:1fr}
  .graph-map{height:470px}
  .graph-node{min-width:96px;padding:10px 11px}
  .node-top-left{left:4%;top:10%}
  .node-top-right{right:4%;top:11%}
  .node-mid-left{left:3%;top:42%}
  .node-mid-right{right:2%;top:47%}
  .node-bottom-left{left:10%;bottom:10%}
  .node-bottom-right{right:8%;bottom:10%}
  .highlight-card{min-width:198px}
}
@media(max-width:440px){
  .quick-intro-item{padding:12px 14px}
  .graph-map{height:430px}
  .graph-node strong{font-size:12px}
  .graph-node span{font-size:10px}
  .highlight-card{min-width:182px;padding:14px 16px}
}
@media(prefers-reduced-motion:reduce){.marquee-track{animation:none;width:auto;flex-wrap:wrap}}

/* --- v4 readability / compact layout --- */
body{word-break:keep-all}
h1,h2,h3,.hero-description,.lede,.publication h3,.work-card h3{text-wrap:balance}
p,li{overflow-wrap:anywhere}
h2{font-size:clamp(30px,4vw,48px);line-height:1.12}
h3{font-size:clamp(20px,2vw,28px);line-height:1.22}
.lede,.hero-description{font-size:clamp(15px,1.35vw,18px);line-height:1.72}
.section{padding:clamp(68px,8vw,104px) 0}
.section-compact{padding:clamp(42px,6vw,72px) 0}
.hero{padding:clamp(44px,6vw,72px) 0 clamp(56px,8vw,92px)}
.hero-grid{gap:clamp(26px,4vw,44px)}
.hero-copy h1{font-size:clamp(38px,4.8vw,64px);line-height:1.02;margin:0 0 18px}
.hero-copy h1 strong{display:block}
.hero-keywords{margin:0 0 14px}
.hero-key-title{max-width:640px}
.section-head{margin-bottom:28px}
.quick-intro-list{margin-top:18px}
.quick-intro-item{padding:12px 14px}
.quick-intro-item strong{font-size:14px}
.identity-card,.site-graph-card,.publication,.thesis-card,.bento-card,.work-card,.portrait-teaser,.contact-panel,.filter-toolbar{border-radius:20px}
.identity-card-top p:last-child,.route-metric span,.publication p,.work-card p,.bento-card p,.thesis-card p,.timeline-item p,.case-body p,.case-body li{font-size:15px;line-height:1.7}
.work-card{min-height:320px;padding:24px}
.work-card h3{margin-bottom:10px;font-size:clamp(22px,2.3vw,32px)}
.project-card h3{margin:34px 0 10px}
.card-visual{height:94px;margin:-10px 0 18px}
.project-meta,.pub-year,.pub-action,.metric-chip,.tag,.filter-button{font-size:12px}
.metric-chip{padding:7px 10px}
.bento-card{min-height:unset;padding:22px}
.bento-card h3{margin:20px 0 10px}
.summary-bento .bento-card{min-height:210px}
.compact-tags{gap:6px;margin-bottom:14px}
.publication{padding:24px 0;grid-template-columns:128px minmax(0,1fr) 110px;gap:20px}
.publication h3{font-size:clamp(20px,2.2vw,28px);margin-bottom:8px}
.filter-toolbar{padding:16px}
.filter-row{margin-bottom:0}
.page-hero{padding:clamp(48px,6vw,74px) 0 40px}
.page-hero h1{font-size:clamp(34px,4.8vw,56px);line-height:1.06;margin:0 0 18px}
.page-hero-grid{gap:36px}
.page-hero-aside{padding:18px 0 0 20px;font-size:15px}
.about-copy h1{font-size:clamp(38px,5vw,64px);line-height:1.03}
.about-facts .fact span,.about-facts .fact a,.fact strong{font-size:14px}
.timeline-item h3{font-size:19px}
.timeline-item{padding:0 0 24px 36px}
.case-hero h1{font-size:clamp(34px,4.8vw,56px)}
.case-summary{font-size:17px;line-height:1.68}
.graph-node{min-width:104px;padding:10px 12px;transform-origin:center}
.graph-node strong{font-size:12px}
.graph-node span{font-size:10px}
.graph-node:hover{transform:translateY(-2px) scale(1.06)}
.node-center:hover{transform:translate(-50%,-50%) scale(1.06)}
.node-top-center:hover{transform:translateX(-50%) scale(1.06)}
.graph-map{height:400px}
.graph-hint-card{padding:14px 16px}
.highlight-card{min-width:216px;padding:14px 16px}
.highlight-card strong{font-size:22px}
.contact-panel h2{font-size:clamp(28px,3.4vw,40px)}
.qr-card strong{font-size:12px}
@media(max-width:980px){
  .publication{grid-template-columns:96px 1fr}
  .graph-map{height:420px}
}
@media(max-width:720px){
  .hero-copy h1{font-size:clamp(34px,9vw,46px)}
  .page-hero h1,.about-copy h1,.case-hero h1{font-size:clamp(30px,8vw,42px)}
  .work-card{min-height:280px;padding:20px}
  .work-card h3,.publication h3{font-size:clamp(19px,5vw,24px)}
  .summary-bento .bento-card{min-height:unset}
  .graph-map{height:460px}
}
@media(max-width:440px){
  .hero-keywords{gap:6px}
  .highlight-card{min-width:176px}
  .graph-node{min-width:88px;padding:9px 10px}
}
.bento-card.span-3{grid-column:span 3}
@media(max-width:980px){.bento-card.span-3{grid-column:span 6}}
@media(max-width:720px){.bento-card.span-3{grid-column:auto}}

/* --- v5 graph navigator + awards table --- */
.graph-map-nav{height:380px}
.graph-node-center{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  min-width:108px;padding:16px 18px;border-radius:999px;background:var(--navy);color:var(--bg);
  text-align:center;font-weight:850;box-shadow:var(--shadow-soft);z-index:2
}
.graph-node-btn{
  position:absolute;display:grid;gap:2px;min-width:112px;padding:11px 13px;border-radius:16px;
  border:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  color:var(--text);text-align:left;cursor:pointer;box-shadow:var(--shadow-soft);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease
}
html[data-theme="dark"] .graph-node-btn{background:rgba(13,26,43,.92)}
.graph-node-btn strong{font-size:12px;color:var(--navy);line-height:1.2}
.graph-node-btn span{font-size:10px;color:var(--muted);line-height:1.35}
.graph-node-btn:hover,.graph-node-btn.is-active{transform:scale(1.07);border-color:var(--line-strong);box-shadow:var(--shadow)}
.graph-node-btn.is-active{background:var(--surface)}
.graph-subnav{margin-top:14px;padding:16px 16px 14px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.graph-detail-title{margin:0 0 10px;font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:var(--subtle)}
.graph-detail-links{display:flex;flex-wrap:wrap;gap:8px}
.graph-detail-links a{display:inline-flex;align-items:center;min-height:34px;padding:8px 12px;border-radius:999px;border:1px solid var(--line);text-decoration:none;font-size:12px;font-weight:780;background:var(--bg-soft)}
.graph-detail-links a:hover{border-color:var(--line-strong);color:var(--navy)}
.publication-list .publication .tag-row{margin-top:14px}
@media(max-width:720px){
  .graph-map-nav{height:420px}
  .graph-node-center{min-width:96px;padding:14px 14px}
  .graph-node-btn{min-width:92px;padding:9px 10px}
}

/* --- v5.1 graph navigator repair --- */
.graph-map-nav{height:420px}
.graph-map-nav .graph-node{z-index:2}
.graph-map-nav .graph-node strong,
.graph-map-nav .graph-node span{display:block}
.graph-node-select{
  appearance:none;-webkit-appearance:none;font:inherit;text-align:left;cursor:pointer;
}
.graph-node-select:hover,
.graph-node-select.is-active{transform:translateY(-2px) scale(1.04);border-color:var(--line-strong);box-shadow:var(--shadow)}
.graph-node-select.is-active{background:var(--surface)}
.graph-node-center{left:50%;top:46%;transform:translate(-50%,-50%);pointer-events:none;z-index:3}
.graph-subnav{margin-top:14px;padding:16px 16px 14px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.graph-detail-group{display:grid;gap:10px}
.graph-detail-title{margin:0;font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:var(--subtle)}
.graph-detail-links{display:flex;flex-wrap:wrap;gap:8px}
.graph-detail-links a{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg-soft);text-decoration:none;font-size:12px;font-weight:760}
.graph-detail-links a:hover{border-color:var(--line-strong);color:var(--navy)}
@media(max-width:720px){
  .graph-map-nav{height:470px}
  .graph-map-nav .graph-node{min-width:92px;padding:9px 10px}
  .graph-map-nav .graph-node strong{font-size:11px}
  .graph-map-nav .graph-node span{font-size:9px}
  .graph-map-nav .node-top-left{left:4%;top:9%}
  .graph-map-nav .node-top-center{top:6%}
  .graph-map-nav .node-top-right{right:4%;top:9%}
  .graph-map-nav .node-mid-left{left:3%;top:39%}
  .graph-map-nav .node-mid-right{right:2%;top:42%}
  .graph-map-nav .node-bottom-left{left:8%;bottom:11%}
  .graph-map-nav .node-bottom-right{right:7%;bottom:11%}
}

/* --- v6 dynamic portfolio network --- */
.network-card{overflow:hidden}
.portfolio-network{
  position:relative;
  width:100%;
  height:500px;
  margin-top:14px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:24px;
  background:
    radial-gradient(circle at 50% 45%,rgba(39,100,165,.12),transparent 34%),
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px),
    linear-gradient(180deg,var(--bg-soft),rgba(142,184,239,.06));
  background-size:auto,52px 52px,52px 52px,auto;
  touch-action:none;
  user-select:none;
  -webkit-user-select:none;
}
html[data-theme="dark"] .portfolio-network{
  background:
    radial-gradient(circle at 50% 45%,rgba(117,169,227,.13),transparent 35%),
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px),
    linear-gradient(180deg,var(--bg-soft),rgba(117,169,227,.04));
  background-size:auto,52px 52px,52px 52px,auto;
}
.portfolio-network svg{display:block;width:100%;height:100%;overflow:visible}
.network-link{
  stroke:var(--line-strong);
  stroke-width:1.6;
  stroke-opacity:.42;
  vector-effect:non-scaling-stroke;
  transition:stroke-opacity .16s ease,stroke-width .16s ease,stroke .16s ease;
}
.network-link.is-primary{stroke-width:2.1;stroke-opacity:.58}
.network-link.is-cross{stroke-dasharray:5 6;stroke-opacity:.26}
.network-link.is-detail{stroke:var(--blue);stroke-width:1.4;stroke-opacity:.38}
.network-link.is-highlighted{stroke:var(--blue);stroke-width:2.6;stroke-opacity:.96}
.network-link.is-dimmed{stroke-opacity:.07}
.network-node{cursor:grab;outline:none}
.network-node:active{cursor:grabbing}
.network-node .node-halo{
  fill:var(--blue);
  opacity:0;
  transition:opacity .16s ease;
}
.network-node .node-core{
  stroke:var(--surface);
  stroke-width:3;
  filter:drop-shadow(0 7px 13px rgba(13,35,61,.16));
  transition:r .16s ease,fill .16s ease,stroke-width .16s ease,opacity .16s ease;
}
.network-node.is-center .node-core{fill:var(--navy);stroke:var(--sky);stroke-width:4}
.network-node.is-category .node-core{fill:var(--surface);stroke:var(--blue);stroke-width:2.6}
.network-node.is-detail .node-core{fill:var(--blue-soft);stroke:var(--blue);stroke-width:2}
html[data-theme="dark"] .network-node.is-detail .node-core{fill:var(--surface-2)}
.network-node.is-selected .node-halo,.network-node:hover .node-halo,.network-node:focus-visible .node-halo{opacity:.14}
.network-node.is-selected .node-core,.network-node:hover .node-core,.network-node:focus-visible .node-core{stroke-width:4}
.network-node.is-dimmed{opacity:.24}
.network-node text{
  font-family:var(--font-sans);
  pointer-events:none;
  paint-order:stroke;
  stroke:var(--bg);
  stroke-width:5px;
  stroke-linejoin:round;
  fill:var(--text);
  text-anchor:middle;
}
.network-node .node-label{font-size:12px;font-weight:850;letter-spacing:-.01em}
.network-node .node-caption{font-size:9px;font-weight:700;fill:var(--muted);stroke-width:4px}
.network-node.is-center .node-label{fill:#fff;stroke:transparent;font-size:13px}
.network-node.is-center .node-caption{fill:rgba(255,255,255,.72);stroke:transparent}
.network-node.is-detail .node-label{font-size:10px}
.network-node.is-detail .node-caption{display:none}
.network-detail{
  display:grid;
  grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);
  gap:16px;
  align-items:center;
  min-height:82px;
  margin-top:14px;
  padding:15px 17px;
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--surface);
}
.network-detail-kicker{margin:0 0 3px;color:var(--blue);font-size:10px;font-weight:850;letter-spacing:.12em}
.network-detail strong{font-size:15px;color:var(--text)}
.network-detail p:last-child{margin:0;color:var(--muted);font-size:12px;line-height:1.55}
.network-detail-links{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
.network-detail-links a{display:inline-flex;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--bg-soft);font-size:11px;font-weight:780;text-decoration:none}
.network-detail-links a:hover{border-color:var(--line-strong);color:var(--navy)}
.network-fallback{display:flex;flex-wrap:wrap;gap:8px;padding:20px}
.network-fallback a{padding:8px 11px;border:1px solid var(--line);border-radius:999px;text-decoration:none}
@media(max-width:980px){.portfolio-network{height:540px}}
@media(max-width:720px){
  .portfolio-network{height:560px;border-radius:20px;background-size:auto,42px 42px,42px 42px,auto}
  .network-detail{grid-template-columns:1fr;gap:7px}
  .network-node .node-label{font-size:11px}
  .network-node .node-caption{font-size:8px}
}
@media(prefers-reduced-motion:reduce){
  .network-node .node-core,.network-link,.network-node .node-halo{transition:none}
}

/* --- v7 AI Researcher positioning --- */
.hero-key-title span{display:block}
.hero-key-title strong{font-size:.58em;line-height:1.18;margin-top:10px;letter-spacing:-.035em}
.research-focus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.research-focus-grid .work-card{min-height:350px}
.research-area-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.research-area-grid .thesis-card{min-height:260px}
.graph-learning-visual svg{background:var(--bg-soft)}
@media(max-width:980px){
  .research-focus-grid{grid-template-columns:1fr 1fr}
  .research-focus-grid .work-card:first-child{grid-column:1/-1}
  .research-area-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .hero-key-title strong{font-size:.64em;line-height:1.24}
  .research-focus-grid,.research-area-grid{grid-template-columns:1fr}
  .research-focus-grid .work-card:first-child{grid-column:auto}
  .research-focus-grid .work-card{min-height:290px}
  .research-area-grid .thesis-card{min-height:unset}
}

/* v8: four representative research cards */
.research-focus-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:980px){
  .research-focus-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .research-focus-grid .work-card:first-child{grid-column:auto}
}
@media(max-width:720px){
  .research-focus-grid{grid-template-columns:1fr}
}