:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --surface-soft:#eef3f8;
  --text:#18212b;
  --muted:#647487;
  --line:#dce4ee;
  --accent:#1f5bd7;
  --accent-soft:#e8efff;
  --accent-dark:#1845a5;
  --shadow:0 14px 40px rgba(22,35,60,.08);
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
  --container:1160px;
}
[data-theme="dark"]{
  --bg:#0b1118;
  --surface:#111925;
  --surface-soft:#182231;
  --text:#eef4fb;
  --muted:#96a6bb;
  --line:#263445;
  --accent:#7ea6ff;
  --accent-soft:#162847;
  --accent-dark:#aec7ff;
  --shadow:0 18px 48px rgba(0,0,0,.26);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.modal-open{overflow:hidden}
body{
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 24rem),
    radial-gradient(circle at 100% 20%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 20rem),
    var(--bg);
  color:var(--text);
  line-height:1.62;
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font:inherit}
.container{width:min(var(--container), calc(100% - 28px));margin-inline:auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:200;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.02em}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--accent);color:white;
  display:grid;place-items:center;font-size:.84rem;font-weight:800;box-shadow:var(--shadow);
}
.nav-center{display:flex;align-items:center;gap:16px}
.nav-links{display:flex;gap:4px;list-style:none}
.nav-links a{
  display:inline-flex;padding:10px 12px;border-radius:10px;
  color:var(--muted);font-size:.93rem;font-weight:600;
}
.nav-links a:hover{background:var(--surface-soft);color:var(--text)}
.more-nav{position:relative}
.more-nav summary{
  list-style:none;display:inline-flex;padding:10px 12px;border-radius:10px;
  color:var(--muted);font-size:.93rem;font-weight:600;cursor:pointer;
}
.more-nav summary::-webkit-details-marker{display:none}
.more-nav summary:hover,.more-nav[open] summary{background:var(--surface-soft);color:var(--text)}
.more-nav div{
  position:absolute;right:0;top:calc(100% + 8px);min-width:170px;z-index:250;
  display:grid;gap:2px;padding:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);
}
.more-nav div a{display:flex;white-space:nowrap}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn,.menu-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer;
}
.cv-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;border-radius:12px;background:var(--accent);color:white;font-weight:700;
}
.menu-btn{display:none}
.mobile-panel{display:none}
.mobile-panel.open{display:block}
.mobile-links{display:grid;padding:0 0 14px}
.mobile-links a{
  padding:12px 4px;color:var(--muted);font-weight:600;border-top:1px solid var(--line);
}

/* Hero */
.hero{padding:68px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
  background:var(--surface-soft);border:1px solid var(--line);color:var(--muted);
  font-size:.82rem;font-weight:700;margin-bottom:18px;
}
.dot{width:8px;height:8px;border-radius:50%;background:#2fb46e}
.hero h1{
  font-size:clamp(2.7rem, 6vw, 5rem);
  line-height:1.03;letter-spacing:-.06em;max-width:11.5ch;margin-bottom:18px;
}
.hero .accent{color:var(--accent)}
.hero .lead{
  font-size:1rem;color:var(--muted);max-width:56ch;margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 18px;border-radius:12px;font-weight:700;
}
.btn-primary{background:var(--accent);color:white}
.btn-secondary{background:var(--surface);border:1px solid var(--line)}
.metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:740px;
}
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow);
}
.metric strong{display:block;font-size:1.45rem;line-height:1.05;margin-bottom:5px}
.metric span{color:var(--muted);font-size:.84rem}

.hero-visual{
  position:relative;
  background:linear-gradient(180deg, var(--surface), var(--surface-soft));
  border:1px solid var(--line);border-radius:34px;padding:24px 24px 0;
  min-height:620px;box-shadow:var(--shadow);overflow:hidden;
}
.hero-visual::before{
  content:"";position:absolute;inset:auto -80px -80px auto;width:220px;height:220px;border-radius:50%;
  background:color-mix(in srgb, var(--accent) 16%, transparent);filter:blur(10px);
}
.hero-visual::after{
  content:"";position:absolute;inset:18px;border:1px solid color-mix(in srgb, var(--line) 90%, transparent);
  border-radius:26px;pointer-events:none;
}
.hero-visual-top{
  position:relative;z-index:2;display:flex;justify-content:space-between;gap:10px;align-items:flex-start;margin-bottom:8px;
}
.hero-visual-top h2{font-size:1rem;font-weight:800}
.hero-visual-top p{font-size:.88rem;color:var(--muted);margin-top:3px}
.status-chip{
  padding:8px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);
  font-size:.74rem;font-weight:800;
}
.floating-note{
  position:absolute;z-index:3;min-width:178px;max-width:240px;
  background:color-mix(in srgb, var(--surface) 90%, transparent);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:14px;padding:11px 13px;box-shadow:var(--shadow);
}
.hero-note-strip{
  position:absolute;inset:0;z-index:4;pointer-events:none;
}
.note-1{bottom:220px;left:24px}
.note-2{bottom:142px;right:22px}
.note-3{bottom:64px;left:24px}
.hero-note-strip .floating-note{
  pointer-events:auto;
}
.floating-note small{display:block;color:var(--muted);font-size:.67rem;font-weight:700}
.floating-note strong{display:block;font-size:.88rem;margin-top:2px}
.hero-portrait-wrap{
  position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:min(92%, 520px);height:88%;
  display:flex;align-items:flex-end;justify-content:center;
  background:
    radial-gradient(circle at 50% 18%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 42%),
    linear-gradient(180deg, transparent, color-mix(in srgb, var(--surface-soft) 60%, transparent));
  border-radius:30px 30px 0 0;
}
.hero-portrait{
  width:100%;max-width:470px;object-fit:contain;filter:drop-shadow(0 10px 28px rgba(17,29,46,.16));
}

/* Sections */
.section{padding:64px 0}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:26px;
}
.kicker{
  color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;
}
.section h2{
  font-size:clamp(1.85rem, 4vw, 3.1rem);line-height:1.06;letter-spacing:-.045em;
}
.section-note{max-width:42ch;color:var(--muted);font-size:.92rem}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
}
.expand-text{
  display:block;
  overflow:visible;
}
.skill-card{padding:20px}
.skill-card .icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);
  color:var(--accent);font-weight:800;margin-bottom:14px;
}
.skill-card h3{font-size:1.05rem;margin-bottom:8px}
.skill-card p{color:var(--muted);font-size:.88rem}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
.tag{
  display:inline-flex;padding:6px 9px;border-radius:999px;background:var(--surface-soft);border:1px solid var(--line);
  color:var(--muted);font-size:.73rem;
}

/* Project case-study grid */
.projects-section .section-head{
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.projects-section{padding-top:42px;padding-bottom:42px}
.project-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;
}
.project-card{
  display:flex;flex-direction:column;overflow:hidden;
  min-height:238px;border-radius:16px;background:var(--surface);
  border-color:color-mix(in srgb, var(--line) 90%, var(--accent));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.project-card:hover{
  transform:translateY(-2px);border-color:color-mix(in srgb, var(--accent) 38%, var(--line));
  box-shadow:0 16px 34px rgba(31,91,215,.1);
}
.project-card-main{
  padding:12px;display:flex;flex-direction:column;min-width:0;flex:1;
}
.project-number{
  width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-size:.62rem;font-weight:900;margin-bottom:7px;
}
.project-thumb{
  position:relative;background:
    linear-gradient(180deg,var(--surface-soft),color-mix(in srgb,var(--surface-soft) 72%,var(--surface)));
  height:84px;border-bottom:1px solid var(--line);
  display:flex;align-items:stretch;justify-content:center;overflow:hidden;
}
.project-thumb img{
  width:100%;height:100%;object-fit:cover;filter:saturate(.95) contrast(1.03);
}
.project-thumb::after{
  content:"";position:absolute;inset:0;background:
    linear-gradient(180deg,transparent 45%,rgba(9,18,32,.58));
  pointer-events:none;
}
.project-thumb span{
  position:absolute;left:7px;bottom:7px;z-index:1;
  display:inline-flex;justify-content:center;padding:4px 7px;border-radius:999px;
  background:color-mix(in srgb, var(--surface) 88%, transparent);border:1px solid var(--line);
  color:var(--accent);font-size:.6rem;font-weight:900;backdrop-filter:blur(8px);
}
.project-content{padding:19px;display:flex;flex-direction:column;min-width:0}
.project-meta{
  color:var(--accent);font-weight:800;font-size:.58rem;line-height:1.32;letter-spacing:.04em;margin-bottom:5px;
}
.project-card-main h3{
  font-size:.9rem;line-height:1.12;letter-spacing:-.03em;margin-bottom:6px;
}
.project-card-main p{color:var(--muted);font-size:.76rem;line-height:1.42;max-width:54ch}
.project-impact{
  margin:2px 0 8px;padding:0;background:transparent;border:0;color:var(--muted);
  font-size:.7rem;line-height:1.35;
}
.project-card .tags{gap:5px;margin-top:7px}
.project-card .tag{padding:4px 7px;font-size:.62rem}
.project-footer{
  margin-top:auto;padding-top:6px;display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.case-link{
  display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-weight:900;
  padding:0;background:transparent;border:0;font-size:.72rem;
}
.arrow-badge{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface-soft);display:grid;place-items:center;color:var(--accent);font-weight:900;
}

/* Letters and proof */
.letter-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;
}
.letter-card{
  display:grid;grid-template-columns:180px 1fr;overflow:hidden;min-height:245px;
}
.letter-preview{
  position:relative;background:var(--surface-soft);border-right:1px solid var(--line);display:flex;align-items:center;justify-content:center;
}
.letter-preview img{
  width:100%;height:100%;object-fit:cover;
}
.proof-view-label{
  position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;justify-content:center;
  min-height:32px;padding:0 10px;border-radius:999px;background:color-mix(in srgb,var(--surface) 88%,transparent);
  border:1px solid var(--line);color:var(--accent);font-size:.72rem;font-weight:900;backdrop-filter:blur(8px);
}
.letter-content{
  padding:20px;display:flex;flex-direction:column;justify-content:center;
}
.letter-content h3{
  font-size:1.14rem;line-height:1.2;letter-spacing:-.03em;margin-bottom:10px;
}
.letter-content p{
  color:var(--muted);font-size:.93rem;
}
.proof-open-link{
  display:inline-flex;align-items:center;justify-content:center;margin-top:14px;align-self:flex-start;
  min-height:36px;padding:0 12px;border-radius:10px;background:var(--accent-soft);
  border:1px solid color-mix(in srgb,var(--line) 70%,var(--accent));color:var(--accent);font-size:.78rem;font-weight:900;
}

/* Education timeline */
.education-section{
  background:color-mix(in srgb,var(--surface-soft) 50%,transparent);
}
.timeline-heading{
  display:grid;grid-template-columns:.7fr 1fr;gap:28px;align-items:end;margin-bottom:22px;
}
.timeline-heading h2{
  font-size:clamp(2rem,4vw,3.2rem);line-height:1;letter-spacing:-.05em;
}
.timeline-heading p{color:var(--muted);max-width:58ch}
.education-timeline{display:grid;gap:0}
.education-row{
  position:relative;display:grid;grid-template-columns:minmax(180px,.78fr) 70px minmax(0,1.2fr);
  gap:18px;align-items:start;padding:22px 0;
}
.education-school{text-align:right;padding-top:3px}
.education-school h3{font-size:1rem;line-height:1.18;letter-spacing:-.025em}
.education-school span{display:block;color:var(--muted);font-size:.78rem;font-weight:700;margin-top:4px}
.education-dot{
  position:relative;display:grid;place-items:start center;min-height:90px;
}
.education-dot::before{
  content:"";position:absolute;top:22px;bottom:-22px;width:2px;background:var(--line);
}
.education-row:last-child .education-dot::before{display:none}
.education-dot::after{
  content:"";position:relative;z-index:1;margin-top:5px;width:12px;height:12px;border-radius:50%;
  background:var(--text);box-shadow:0 0 0 6px var(--surface-soft);
}
.education-detail{
  padding-bottom:8px;
}
.education-detail h3{font-size:1rem;line-height:1.2;margin-bottom:8px}
.education-detail p{color:var(--muted);font-size:.86rem;max-width:62ch;margin-bottom:10px}

/* Research experience */
.research-layout{
  display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:start;
}
.research-intro{
  position:sticky;top:100px;
}
.research-intro h2{
  font-size:clamp(2rem,4vw,3.35rem);line-height:.98;letter-spacing:-.055em;margin-bottom:16px;
}
.research-intro p{color:var(--muted);font-size:.92rem;max-width:28ch}
.research-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:34px}
.research-stats strong{display:block;font-size:1.55rem;line-height:1;color:var(--text)}
.research-stats span{display:block;color:var(--muted);font-size:.78rem;margin-top:6px}
.research-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.research-card{
  min-height:280px;padding:24px;background:#1f2026;color:#f5f7fb;border:1px solid rgba(255,255,255,.08);
  border-radius:0;box-shadow:0 18px 42px rgba(0,0,0,.15);display:flex;flex-direction:column;
}
.research-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:28px}
.research-card-top span{
  display:inline-flex;padding:5px 8px;border:1px solid rgba(255,255,255,.28);border-radius:999px;
  color:#dfe8ff;font-size:.68rem;font-weight:800;
}
.research-card-top strong{color:#a8bdff;font-size:.8rem}
.research-card h3{font-size:1.32rem;line-height:1.1;letter-spacing:-.035em;margin-bottom:16px}
.research-card p{color:#c3cad8;font-size:.86rem}
.research-date{margin-top:auto;color:#f5f7fb;font-size:.82rem;font-weight:800;padding-top:24px}
.cms-added-image-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;
}
.cms-added-image-card{
  overflow:hidden;display:grid;grid-template-columns:180px 1fr;min-height:230px;
}
.cms-added-image-card .cms-added-preview{
  background:var(--surface-soft);border-right:1px solid var(--line);
}
.cms-added-image-card img{
  width:100%;height:100%;object-fit:cover;
}
.cms-added-image-card .cms-added-content{
  padding:20px;display:flex;flex-direction:column;justify-content:center;
}
.cms-added-image-card h3{
  font-size:1.14rem;line-height:1.2;letter-spacing:-.03em;margin-bottom:10px;
}
.cms-added-image-card p{color:var(--muted);font-size:.93rem}

/* Publication list */
.simple-list{display:grid;gap:12px}
.simple-item{
  display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:start;padding:16px 18px;
}
.simple-item .year{color:var(--accent);font-size:.84rem;font-weight:800}
.simple-item h3{font-size:1rem;margin-bottom:4px}
.simple-item p{color:var(--muted);font-size:.88rem}
.badge{
  padding:7px 10px;border-radius:999px;font-size:.74rem;font-weight:700;
  background:var(--accent-soft);color:var(--accent);white-space:nowrap;
}

/* Contact */
.contact-card{
  display:grid;gap:28px;padding:34px;
}
.contact-head{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:32px;align-items:end;
}
.contact-head p{color:var(--muted);font-size:1rem;line-height:1.65;max-width:52ch}
.contact-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:stretch}
.contact-lines{
  display:grid;grid-template-columns:1fr;gap:0;padding:20px;border:1px solid var(--line);
  border-radius:22px;background:color-mix(in srgb,var(--surface) 58%,transparent);
}
.contact-lines h3{font-size:1.15rem;letter-spacing:-.035em;margin-bottom:8px}
.contact-line{
  display:grid;grid-template-columns:92px minmax(0,1fr);gap:14px;align-items:center;
  padding:13px 0;border-bottom:1px solid var(--line);
}
.contact-line:last-child{border-bottom:0}
.contact-line span{color:var(--muted);font-size:.86rem}
.contact-line strong,.contact-line a{
  display:block;min-width:0;font-size:.94rem;font-weight:800;white-space:nowrap;
  overflow-x:auto;overflow-y:hidden;overflow-wrap:normal;word-break:normal;scrollbar-width:none;
}
.contact-line strong::-webkit-scrollbar,.contact-line a::-webkit-scrollbar{display:none}
.contact-focus{
  display:grid;align-content:space-between;gap:18px;padding:20px;border:1px solid var(--line);
  border-radius:22px;background:var(--surface-soft);
}
.contact-focus-top{display:flex;align-items:center;justify-content:space-between;gap:14px}
.contact-focus-top span{font-size:1.15rem;font-weight:900;letter-spacing:-.035em}
.role-chips{display:flex;flex-wrap:wrap;gap:9px}
.role-chips span{
  display:inline-flex;padding:9px 11px;border:1px solid var(--line);border-radius:999px;
  color:var(--text);font-size:.82rem;font-weight:700;background:var(--surface);
}

/* Footer */
.footer{padding:28px 0 42px;color:var(--muted);font-size:.85rem}
.footer-inner{display:flex;justify-content:space-between;gap:10px;padding-top:18px;border-top:1px solid var(--line)}

/* Project pages - clean professional layout */
.project-page-hero{padding:54px 0 34px}
.back-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:700;margin-bottom:14px;
}
.project-page-top{
  display:grid;grid-template-columns:1.07fr .93fr;gap:24px;align-items:center;
}
.project-page-top h1{
  font-size:clamp(2.15rem,5vw,4rem);line-height:1.05;letter-spacing:-.05em;margin-bottom:14px;
}
.project-page-top p.lead{color:var(--muted);font-size:1rem;max-width:62ch;margin-bottom:18px}
.project-page-thumb{
  background:var(--surface);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden;
}
.project-page-thumb img{width:100%;min-height:300px;object-fit:cover}
.summary-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px;
}
.summary-box{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow);
}
.summary-box strong{display:block;color:var(--accent);font-size:1.08rem}
.summary-box span{display:block;color:var(--muted);font-size:.84rem;margin-top:4px}
.article-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:8px 24px;
}
.clean-sections{display:grid}
.clean-section{
  display:grid;grid-template-columns:220px 1fr;gap:22px;padding:24px 0;border-top:1px solid var(--line);
}
.clean-section:first-child{border-top:none}
.clean-label{
  color:var(--accent);font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
}
.clean-content h2{font-size:1.42rem;letter-spacing:-.03em;margin-bottom:10px}
.clean-content p,.clean-content li{color:var(--muted);font-size:.96rem}
.clean-content ul{padding-left:18px}
.clean-content li+li{margin-top:8px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.gallery-card{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
}
.gallery-card img{width:100%;height:190px;object-fit:cover}
.gallery-card figcaption{padding:10px 12px;color:var(--muted);font-size:.82rem}

/* Proof document modal */
.proof-modal[hidden]{display:none}
.proof-modal{position:fixed;inset:0;z-index:500;display:grid;place-items:center;padding:18px}
.proof-modal-backdrop{position:absolute;inset:0;background:rgba(5,10,18,.72);backdrop-filter:blur(10px)}
.proof-modal-dialog{
  position:relative;z-index:1;width:min(94vw, 900px);height:min(92vh, 1120px);
  display:grid;grid-template-rows:auto minmax(0,1fr);background:var(--surface);border:1px solid var(--line);
  border-radius:20px;box-shadow:0 28px 80px rgba(0,0,0,.38);overflow:hidden;
}
.proof-modal-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--surface) 92%,var(--surface-soft));
}
.proof-modal-head h2{font-size:1rem;line-height:1.2;letter-spacing:-.02em}
.proof-modal-actions{display:flex;align-items:center;gap:10px}
.proof-modal-actions a{
  display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 12px;border-radius:10px;
  background:var(--accent-soft);color:var(--accent);font-size:.78rem;font-weight:900;border:1px solid color-mix(in srgb,var(--line) 70%,var(--accent));
}
.proof-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface-soft);
  color:var(--text);font-weight:900;cursor:pointer;
}
.proof-modal-body{min-height:0;background:color-mix(in srgb,var(--surface-soft) 70%,var(--surface));display:flex;align-items:center;justify-content:center;overflow:hidden;padding:14px}
.proof-modal-body img{
  width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;background:white;border-radius:12px;
  box-shadow:0 18px 48px rgba(0,0,0,.18);
}
.proof-modal-body iframe{
  width:100%;height:100%;border:0;background:white;border-radius:12px;
}

/* Minimal aesthetic refresh */
:root{
  --bg:#e8e6df;
  --surface:#f7f6f1;
  --surface-soft:#efede6;
  --text:#151515;
  --muted:#65625c;
  --line:#d8d4ca;
  --accent:#e5a72c;
  --accent-soft:#fff3cd;
  --accent-dark:#9b6b07;
  --shadow:none;
  --container:1180px;
}
[data-theme="dark"]{
  --bg:#22242d;
  --surface:#2d303b;
  --surface-soft:#383b48;
  --text:#faf7ee;
  --muted:#b9b6ad;
  --line:#484b56;
  --accent:#f0b43b;
  --accent-soft:#453719;
  --accent-dark:#ffd37a;
  --shadow:none;
}
body{
  background:var(--bg);
  line-height:1.52;
}
.container{width:min(var(--container), calc(100% - 48px))}
.site-header{
  top:12px;width:min(var(--container), calc(100% - 48px));margin:12px auto 0;
  border:1px solid color-mix(in srgb,var(--line) 72%,transparent);
  border-radius:999px;background:color-mix(in srgb,var(--surface) 82%,transparent);
}
.nav{min-height:58px;padding:0 14px}
.brand{font-size:.88rem}
.brand-mark{
  width:30px;height:30px;border-radius:50%;background:var(--accent);color:#151515;
  font-size:.7rem;box-shadow:none;
}
.nav-links a,.more-nav summary{
  padding:8px 10px;border-radius:999px;font-size:.78rem;font-weight:700;
}
.nav-actions{gap:7px}
.icon-btn,.menu-btn{
  width:36px;height:36px;border-radius:999px;background:var(--surface);font-size:.72rem;
}
.cv-btn{
  min-height:36px;border-radius:999px;padding:0 13px;background:#151515;color:#fff;
  font-size:.78rem;font-weight:800;
}
[data-theme="dark"] .cv-btn{background:var(--accent);color:#151515}
.hero{padding:36px 0 34px}
.hero-grid{
  min-height:620px;grid-template-columns:1fr .82fr;gap:34px;
  padding:72px 72px 0;border:1px solid var(--line);border-radius:42px;
  background:var(--surface);overflow:hidden;
}
.eyebrow{
  padding:0;background:transparent;border:0;border-radius:0;margin-bottom:18px;
  color:var(--muted);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;
}
.dot{background:var(--accent)}
.hero h1{
  font-size:clamp(3.1rem, 7vw, 6.4rem);max-width:9.4ch;letter-spacing:-.075em;
  margin-bottom:18px;
}
.hero .lead{
  max-width:48ch;font-size:.96rem;color:var(--muted);margin-bottom:24px;
}
.btn{
  min-height:38px;padding:0 14px;border-radius:999px;font-size:.78rem;
}
.btn-primary{background:#151515;color:#fff}
.btn-secondary{background:transparent;border:1px solid var(--line)}
.metrics{
  max-width:600px;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px;
}
.metric{
  padding:0;background:transparent;border:0;border-radius:0;box-shadow:none;
}
.metric strong{font-size:1.4rem;margin-bottom:2px;color:var(--text)}
.metric span{font-size:.68rem;color:var(--muted)}
.hero-visual{
  min-height:540px;padding:0;background:transparent;border:0;border-radius:0;box-shadow:none;
}
.hero-visual::before,.hero-visual::after{display:none}
.hero-visual-top{
  position:absolute;inset:0 0 auto;z-index:5;padding:0;align-items:center;
}
.hero-visual-top h2{font-size:.9rem}
.hero-visual-top p{font-size:.72rem}
.status-chip{
  padding:6px 9px;background:var(--surface-soft);color:var(--text);font-size:.66rem;
  border:1px solid var(--line);
}
.hero-portrait-wrap{
  width:min(98%, 460px);height:94%;background:transparent;border-radius:0;
}
.hero-portrait{max-width:430px;filter:none}
.hero-note-strip{display:none}
.section{padding:92px 0}
.section-head{
  align-items:start;margin-bottom:38px;padding-bottom:0;border:0;
}
.kicker{
  color:var(--muted);font-size:.62rem;letter-spacing:.14em;margin-bottom:10px;
}
.section h2{
  font-size:clamp(1.85rem, 4vw, 3.45rem);letter-spacing:-.06em;
}
.section-note{font-size:.86rem;max-width:34ch}
.card{
  border-radius:18px;background:color-mix(in srgb,var(--surface) 72%,transparent);
  border:1px solid color-mix(in srgb,var(--line) 86%,transparent);box-shadow:none;
}
.grid-3{gap:12px}
.skill-card{padding:18px;background:transparent}
.skill-card .icon{
  width:auto;height:auto;display:block;background:transparent;color:var(--accent-dark);
  font-size:.68rem;margin-bottom:22px;
}
.skill-card h3{font-size:.98rem}
.skill-card p{font-size:.78rem;line-height:1.45}
.tag{
  border-radius:999px;background:transparent;border:1px solid var(--line);
  color:var(--muted);font-size:.62rem;padding:4px 7px;
}
.projects-section{padding-top:54px;padding-bottom:54px}
.projects-section .section-head{border:0;margin-bottom:18px;padding-bottom:0}
.project-grid{gap:12px}
.project-card{
  min-height:226px;border-radius:18px;background:var(--surface);
  border:1px solid color-mix(in srgb,var(--line) 82%,transparent);
}
.project-card:hover{box-shadow:none;border-color:var(--accent);transform:translateY(-2px)}
.project-thumb{height:76px;background:var(--surface-soft);border-bottom:1px solid var(--line)}
.project-thumb::after{background:linear-gradient(180deg,transparent,rgba(21,21,21,.2))}
.project-card-main{padding:12px}
.project-number{
  width:auto;height:auto;background:transparent;color:var(--muted);font-size:.62rem;
  justify-content:start;margin-bottom:8px;
}
.project-meta{color:var(--muted);font-size:.56rem}
.project-card-main h3{font-size:.92rem;line-height:1.13;margin-bottom:7px}
.project-impact{font-size:.68rem;color:var(--muted)}
.case-link{color:var(--text);font-size:.68rem;border-bottom:1px solid var(--accent);padding-bottom:2px}
.education-section{background:transparent}
.timeline-heading{
  grid-template-columns:.7fr 1fr;margin-bottom:18px;padding:34px 0;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.timeline-heading h2{font-size:clamp(1.9rem,4vw,3.2rem)}
.timeline-heading p{font-size:.86rem}
.education-row{
  grid-template-columns:minmax(170px,.72fr) 46px minmax(0,1.28fr);
  padding:24px 0;
}
.education-school h3,.education-detail h3{font-size:.92rem}
.education-detail p{font-size:.76rem}
.education-dot::after{background:var(--accent);box-shadow:0 0 0 6px var(--bg)}
.research-layout{grid-template-columns:260px 1fr;gap:18px}
.research-card{
  min-height:230px;padding:20px;background:#252731;color:#faf7ee;border-radius:18px;
}
.research-card-top{margin-bottom:22px}
.research-card h3{font-size:1.08rem}
.research-card p{font-size:.76rem}
.letter-grid{gap:12px}
.letter-card{min-height:190px;grid-template-columns:150px 1fr;background:var(--surface)}
.letter-content{padding:16px}
.letter-content h3{font-size:1rem}
.letter-content p{font-size:.78rem}
.proof-open-link{
  background:transparent;border:0;border-bottom:1px solid var(--accent);border-radius:0;
  min-height:auto;padding:0;color:var(--text);
}
.simple-list{gap:16px}
.simple-item{
  background:transparent;border-radius:0;border-width:1px 0 0;box-shadow:none;
  padding:22px 0;grid-template-columns:86px 1fr auto;
}
.simple-item h3{font-size:.95rem}
.simple-item p{font-size:.78rem}
.badge{background:var(--surface-soft);color:var(--text);font-size:.62rem}
.contact-card{
  padding:34px;border-radius:30px;background:var(--surface);
}
.contact-head{grid-template-columns:minmax(0,1fr) minmax(280px,.8fr)}
.contact-body{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.contact-focus{background:transparent}
.footer{padding:24px 0 38px}
.footer-inner{font-size:.76rem}

/* Project slider and light research cards */
.projects-section .section-head{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:28px;align-items:end;
  margin-bottom:24px;
}
.project-grid{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:calc((100% - 44px) / 3);
  grid-template-columns:none;
  gap:16px;
  overflow-x:auto;
  overscroll-behavior-inline:contain;
  scroll-snap-type:x mandatory;
  padding:2px 0 18px;
  scrollbar-color:var(--accent) transparent;
}
.project-grid::-webkit-scrollbar{height:6px}
.project-grid::-webkit-scrollbar-track{background:transparent}
.project-grid::-webkit-scrollbar-thumb{background:var(--accent);border-radius:999px}
.project-card{
  scroll-snap-align:start;
  min-height:390px;
  border-radius:26px;
  background:color-mix(in srgb,var(--surface) 92%,white);
  border:1px solid color-mix(in srgb,var(--line) 72%,transparent);
  overflow:hidden;
}
.project-card:hover{border-color:var(--text);transform:translateY(-3px)}
.project-thumb{
  height:178px;
  border-bottom:1px solid var(--line);
  background:var(--surface-soft);
}
.project-thumb img{object-fit:cover}
.project-thumb::after{
  background:linear-gradient(180deg,transparent 52%,rgba(20,20,20,.34));
}
.project-thumb span{
  left:14px;bottom:14px;padding:6px 10px;color:#151515;background:var(--accent);
  border:0;font-size:.64rem;
}
.project-card-main{padding:18px;gap:0}
.project-number{
  font-size:.68rem;color:var(--muted);letter-spacing:.08em;margin-bottom:10px;
}
.project-meta{
  max-width:34ch;color:var(--muted);font-size:.62rem;line-height:1.35;margin-bottom:9px;
}
.project-card-main h3{
  font-size:1.26rem;line-height:1.08;letter-spacing:-.045em;margin-bottom:10px;
}
.project-impact{
  max-width:35ch;font-size:.8rem;line-height:1.45;margin-bottom:14px;color:var(--muted);
}
.project-card .tags{margin-top:0;gap:7px}
.project-card .tag{font-size:.66rem;padding:5px 8px;background:var(--surface-soft)}
.project-footer{padding-top:14px}
.case-link{font-size:.76rem;font-weight:800}
.research-section{padding-top:54px}
.research-layout{
  grid-template-columns:300px 1fr;
  gap:24px;
  padding:32px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.research-cards{gap:14px}
.research-card{
  min-height:220px;
  padding:22px;
  background:var(--surface);
  color:var(--text);
  border:1px solid color-mix(in srgb,var(--line) 78%,transparent);
  border-radius:26px;
  box-shadow:none;
}
.research-card-top{margin-bottom:24px}
.research-card-top span{
  color:var(--muted);
  border:1px solid var(--line);
  background:transparent;
}
.research-card-top strong{color:var(--accent-dark)}
.research-card h3{
  max-width:28ch;
  color:var(--text);
  font-size:1.18rem;
  line-height:1.12;
}
.research-card p{color:var(--muted);font-size:.82rem;line-height:1.5}
.research-date{color:var(--text)}

/* Projects aligned with the minimal section system */
.projects-section{
  padding-top:86px;
  padding-bottom:98px;
  background:transparent;
}
.projects-section .section-head{
  grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;
  align-items:start;
  margin-bottom:38px;
  padding-top:38px;
  border-top:1px solid var(--line);
}
.project-grid{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:calc((100% - 44px) / 3);
  grid-template-columns:none;
  gap:24px;
  padding:4px 0 24px;
  overflow-x:auto;
  overscroll-behavior-inline:contain;
  scroll-snap-type:x mandatory;
  scrollbar-color:var(--accent) transparent;
}
.project-card{
  scroll-snap-align:start;
  display:flex;
  flex-direction:column;
  min-height:510px;
  border-radius:24px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:0 4px 20px rgba(0,0,0,0.02);
  transition:transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s, box-shadow 0.4s;
  overflow:hidden;
}
.project-card:hover{
  border-color:var(--accent);
  transform:translateY(-6px);
  box-shadow:0 22px 45px rgba(229,167,44,0.08), 0 1px 3px rgba(0,0,0,0.02);
}
.project-thumb{
  position:relative;
  height:240px;
  background:#ffffff;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
}
.project-thumb img{
  max-width:90%;
  max-height:90%;
  width:auto;
  height:auto;
  object-fit:contain;
  filter:drop-shadow(0 6px 14px rgba(0,0,0,0.05));
  transition:transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  display:block;
}
.project-card:hover .project-thumb img{
  transform:scale(1.04);
}
.project-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:transparent;
  pointer-events:none;
  display:none;
}
.project-thumb span{
  position:absolute;
  left:16px;
  bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  border-radius:20px;
  background:rgba(21, 21, 21, 0.76);
  border:1px solid rgba(255, 255, 255, 0.12);
  color:var(--accent);
  font-size:0.68rem;
  font-weight:700;
  backdrop-filter:blur(12px);
  box-shadow:0 4px 12px rgba(0,0,0,0.15);
}
.project-card-main{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex-grow:1;
  gap:0;
}
.project-number{
  font-size:0.7rem;
  color:var(--muted);
  font-weight:700;
  letter-spacing:0.06em;
  margin-bottom:8px;
  opacity:0.6;
}
.project-meta{
  max-width:100%;
  color:var(--muted);
  font-size:0.66rem;
  line-height:1.35;
  margin-bottom:8px;
  text-transform:uppercase;
  font-weight:600;
}
.project-card-main h3{
  font-size:1.18rem;
  line-height:1.2;
  letter-spacing:-.03em;
  margin-bottom:10px;
  font-weight:700;
  max-width:100%;
}
.project-impact{
  max-width:100%;
  font-size:0.8rem;
  line-height:1.5;
  margin-bottom:16px;
  color:var(--muted);
}
.project-card .tags{
  margin-top:auto;
  gap:6px;
  display:flex;
  flex-wrap:wrap;
  margin-bottom:16px;
}
.project-card .tag{
  font-size:0.66rem;
  padding:5px 10px;
  background:var(--surface-soft);
  border:1px solid var(--line);
  color:var(--muted);
  border-radius:8px;
  font-weight:500;
  transition:background 0.3s, color 0.3s, border-color 0.3s;
}
.project-card:hover .tag{
  background:color-mix(in srgb,var(--accent-soft) 40%,transparent);
  color:var(--accent-dark);
  border-color:color-mix(in srgb,var(--accent) 30%,transparent);
}
.project-footer{
  padding-top:12px;
  border-top:1px solid var(--line);
  margin-top:0;
}
.case-link{
  font-size:0.78rem;
  font-weight:800;
  color:var(--text);
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:color 0.3s, gap 0.3s;
}
.case-link:hover{
  color:var(--accent-dark);
  gap:8px;
}

/* Single-file case study page */
.case-project[hidden]{display:none}
.case-study-page main{
  padding-top:96px;
}
.case-hero{
  padding:28px 0 44px;
}
.case-hero-card{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(360px,.82fr);
  gap:48px;
  align-items:center;
  min-height:560px;
  padding:54px 64px;
  border-radius:34px;
  background:var(--surface);
  border:1px solid var(--line);
}
.case-copy{
  min-width:0;
  align-self:center;
}
.case-copy h1{
  max-width:11ch;
  font-size:clamp(2.8rem,5.45vw,4.85rem);
  line-height:.96;
  letter-spacing:-.065em;
  margin:16px 0 20px;
}
.case-copy .lead{
  max-width:58ch;
  color:var(--muted);
  font-size:.98rem;
  line-height:1.7;
}
.case-media{
  min-height:376px;
  aspect-ratio:1.08;
  border-radius:28px;
  background:#ffffff;
  border:1px solid var(--line);
  overflow:hidden;
  display:grid;
  place-items:center;
  padding:18px;
  align-self:center;
  width:100%;
}
.case-media img{
  width:100%;
  height:100%;
  min-height:0;
  object-fit:contain;
  object-position:center;
  border-radius:20px;
}
.case-facts{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin-top:26px;
}
.case-study-section{
  padding-top:28px;
  padding-bottom:96px;
}
.case-study-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:42px;
  align-items:start;
}
.case-study-layout .article-shell{
  background:transparent;
  border-width:1px 0;
  border-radius:0;
  box-shadow:none;
  padding:0;
  max-width:980px;
  margin:0 auto;
  width:100%;
}
.case-study-layout .clean-section{
  grid-template-columns:minmax(180px,240px) minmax(0,1fr);
  gap:56px;
  padding:34px 0;
  align-items:start;
}
.case-study-layout .clean-label{
  color:var(--accent-dark);
  letter-spacing:.12em;
}
.case-study-layout .clean-content{
  max-width:680px;
}
.case-study-layout .clean-content p{
  font-size:.98rem;
  line-height:1.82;
}
.case-study-aside{
  display:grid;
  gap:24px;
  position:static;
  max-width:1120px;
  margin:0 auto;
  width:100%;
}
.case-index{
  order:2;
  padding:0;
  border-radius:24px;
  box-shadow:none;
  background:transparent;
  border:0;
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:10px;
}
.case-index .kicker{
  grid-column:1/-1;
  margin-bottom:4px;
}
.case-index-link{
  display:grid;
  gap:4px;
  min-height:104px;
  padding:14px;
  color:var(--text);
  border:1px solid var(--line);
  border-radius:18px;
  background:color-mix(in srgb,var(--surface) 54%,transparent);
}
.case-index-link span{
  font-size:.78rem;
  font-weight:800;
}
.case-index-link small{
  color:var(--muted);
  font-size:.68rem;
  line-height:1.35;
}
.case-index-link.on span{
  color:var(--accent-dark);
}
.case-index-link.on{
  border-color:var(--accent);
}
.case-gallery{
  order:1;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.case-gallery .gallery-card{
  display:flex;
  flex-direction:column;
  box-shadow:none;
  border-radius:24px;
  background:var(--surface);
}
.case-gallery .gallery-card img{
  height:300px;
  object-fit:contain;
  object-position:center;
  background:#ffffff;
}
.case-gallery .gallery-card figcaption{
  padding:16px 18px;
  font-size:.84rem;
  line-height:1.55;
  min-height:76px;
}
.case-empty-gallery{
  order:1;
  padding:18px;
  border:1px dashed var(--line);
  border-radius:22px;
  color:var(--muted);
  font-size:.82rem;
}

/* Hero spacing and portrait balance */
.hero{padding:34px 0 42px}
.hero-grid{
  min-height:600px;
  grid-template-columns:minmax(0,.98fr) minmax(360px,.9fr);
  gap:48px;
  align-items:stretch;
  padding:54px 64px 0;
  overflow:hidden;
}
.hero-grid > .reveal:first-child{
  align-self:center;
  padding-bottom:56px;
}
.hero-actions{margin-bottom:24px}
.metrics{
  margin-top:18px;
}
.hero-visual{
  min-height:544px;
  align-self:stretch;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  padding:22px 22px 0;
  overflow:hidden;
  background:color-mix(in srgb,var(--surface-soft) 42%,transparent);
  border:1px solid color-mix(in srgb,var(--line) 84%,transparent);
  border-radius:30px 30px 0 0;
}
.hero-visual-top{
  position:relative;
  inset:auto;
  flex:0 0 auto;
  margin-bottom:2px;
  padding:0 2px;
}
.hero-visual-top > div{min-width:0}
.hero-visual-top h2,.hero-visual-top p{white-space:nowrap}
.hero-portrait-wrap{
  position:relative;
  left:auto;
  bottom:auto;
  transform:none;
  flex:1 1 auto;
  width:100%;
  height:auto;
  min-height:496px;
  align-items:flex-end;
  background:
    radial-gradient(circle at 50% 18%, color-mix(in srgb,var(--accent) 10%,transparent), transparent 44%),
    linear-gradient(180deg, transparent 68%, color-mix(in srgb,var(--bg) 35%,transparent));
  border-radius:24px 24px 0 0;
}
.hero-portrait{
  width:min(118%, 620px);
  max-width:620px;
  max-height:535px;
  object-fit:contain;
  object-position:center bottom;
}

/* Skills breathing room */
#skills{
  padding-top:84px;
  padding-bottom:98px;
}
#skills .section-head{
  gap:46px;
  margin-bottom:42px;
}
#skills .grid-3{
  gap:22px;
}
#skills .skill-card{
  min-height:184px;
  padding:28px;
  display:flex;
  flex-direction:column;
  background:color-mix(in srgb,var(--surface) 48%,transparent);
}
#skills .skill-card .icon{
  margin-bottom:30px;
}
#skills .skill-card h3{
  margin-bottom:14px;
}
#skills .skill-card p{
  margin-bottom:20px;
}
#skills .skill-card .tags{
  margin-top:auto;
  gap:8px;
}
.research-section{
  padding-top:86px;
}

/* motion */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.visible{opacity:1;transform:none}

/* Responsive */
@media (max-width: 1020px){
  .hero-grid,.project-page-top,.clean-section,.case-hero-card,.case-study-layout{grid-template-columns:1fr}
  .grid-3,.summary-grid,.gallery-grid,.letter-grid{grid-template-columns:1fr 1fr}
  .contact-head{grid-template-columns:1fr}
  .contact-body{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .contact-line{grid-template-columns:82px minmax(0,1fr)}
  .timeline-heading,.research-layout{grid-template-columns:1fr}
  .research-intro{position:static}
  .projects-section .section-head{grid-template-columns:1fr}
  .project-grid{grid-auto-columns:calc((100% - 16px) / 2);grid-template-columns:none}
  .project-thumb{height:170px}
  .case-study-aside{position:static}
  .case-copy h1{max-width:12ch;font-size:clamp(2.7rem,8vw,4.4rem)}
  .case-media{max-width:620px;margin:0 auto}
  .case-study-layout .clean-section{grid-template-columns:1fr}
  .case-gallery{grid-template-columns:1fr 1fr}
  .case-index{grid-template-columns:1fr 1fr}
  .hero-grid{padding:48px 38px 0}
  .hero-grid > .reveal:first-child{padding-bottom:38px}
  .hero-visual-top{position:relative;margin-bottom:18px}
  .hero-visual{min-height:560px}
  .hero-portrait-wrap{min-height:500px}
  .hero-portrait{width:min(108%, 560px);max-height:540px}
}
@media (max-width: 820px){
  .nav-center{display:none}
  .menu-btn{display:grid}
}
@media (max-width: 760px){
  .hero{padding:42px 0 46px}
  .section{padding:64px 0}
  #skills{padding-top:62px;padding-bottom:72px}
  #skills .section-head{gap:16px;margin-bottom:28px}
  #skills .grid-3{gap:14px}
  #skills .skill-card{min-height:auto;padding:22px}
  .research-section{padding-top:64px}
  .grid-3,.metrics,.summary-grid,.gallery-grid,.letter-grid,.research-cards{grid-template-columns:1fr}
  .container{width:min(var(--container), calc(100% - 28px))}
  .site-header{width:calc(100% - 24px);margin-top:8px;border-radius:22px}
  .nav{min-height:56px;padding:0 10px}
  .hero-grid{min-height:auto;padding:34px 20px 0;border-radius:30px;gap:20px}
  .hero-grid > .reveal:first-child{padding-bottom:16px}
  .hero h1{font-size:clamp(2.45rem, 15vw, 4rem)}
  .hero .lead{font-size:.9rem}
  .metrics{grid-template-columns:1fr 1fr;gap:12px}
  .projects-section .section-head{grid-template-columns:1fr;gap:12px}
  .project-grid{grid-auto-columns:86%;grid-template-columns:none;gap:12px}
  .project-card-main{padding:20px}
  .project-thumb{height:190px}
  .projects-section{padding-top:64px;padding-bottom:76px}
  .case-study-page main{padding-top:78px}
  .case-hero-card{min-height:auto;padding:32px 20px;border-radius:30px;gap:24px}
  .case-copy h1{font-size:clamp(2.35rem,11vw,3.65rem);letter-spacing:-.055em}
  .case-copy .lead{font-size:.9rem;line-height:1.62}
  .case-media{min-height:260px;padding:12px}
  .case-facts{grid-template-columns:1fr}
  .case-study-layout{gap:18px}
  .case-study-layout .clean-section{padding:26px 0;gap:12px}
  .case-study-layout .clean-content p{font-size:.92rem;line-height:1.72}
  .case-gallery{grid-template-columns:1fr;gap:14px}
  .case-gallery .gallery-card img{height:260px}
  .case-index{grid-template-columns:1fr}
  .case-index-link{min-height:auto}
  .letter-card{grid-template-columns:1fr}
  .letter-preview{border-right:none;border-bottom:1px solid var(--line);height:320px}
  .timeline-heading{gap:12px}
  .education-row{grid-template-columns:1fr;gap:10px;padding:20px 0 20px 28px;border-left:2px solid var(--line)}
  .education-school{text-align:left}
  .education-dot{position:absolute;left:-7px;top:23px;min-height:0}
  .education-dot::before{display:none}
  .education-dot::after{margin-top:0;width:12px;height:12px;box-shadow:0 0 0 6px var(--bg)}
  .education-detail .badge{margin-top:4px}
  .research-card{min-height:auto}
  .proof-modal{padding:10px}
  .proof-modal-dialog{width:96vw;height:92vh;border-radius:16px}
  .proof-modal-head{padding:10px}
  .proof-modal-actions a{display:none}
  .cms-added-image-grid{grid-template-columns:1fr}
  .cms-added-image-card{grid-template-columns:1fr}
  .cms-added-image-card .cms-added-preview{border-right:none;border-bottom:1px solid var(--line);height:300px}
  .simple-item{grid-template-columns:1fr;gap:8px}
  .contact-body,.contact-lines{grid-template-columns:1fr}
  .contact-line{grid-template-columns:1fr;gap:6px;align-items:start}
  .contact-focus-top{align-items:flex-start;flex-direction:column}
  .footer-inner{flex-direction:column}
  .hero-visual{min-height:470px;padding:0}
  .hero-visual-top{position:relative;margin-bottom:10px}
  .hero-portrait-wrap{height:auto;min-height:420px}
  .hero-portrait{width:min(112%, 470px);max-height:455px}
  .floating-note{min-width:172px;max-width:230px;padding:10px 12px}
  .note-1{top:340px;left:16px;bottom:auto}
  .note-2{top:425px;right:16px;bottom:auto}
  .note-3{bottom:54px;left:16px}
  .hero-note-strip .floating-note strong{font-size:.82rem}
  .article-shell{padding:6px 18px}
  .contact-card{padding:22px;gap:22px}
  .contact-head{gap:14px}
  .contact-head p{font-size:.9rem}
}

/* ORCID Profile Badge */
.orcid-badge-wrap {
  margin-top: 0;
  margin-bottom: 0;
}
.orcid-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}
.orcid-badge:hover {
  border-color: #a6ce39;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(166,206,57,0.08);
}
.orcid-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Rich Text Formatting Styles */
.accent-list {
  list-style: none;
  padding-left: 20px;
  margin: 14px 0;
  display: grid;
  gap: 8px;
}
.accent-list li {
  position: relative;
  font-size: inherit;
  line-height: 1.6;
  color: var(--text);
}
.accent-list li::before {
  content: "•";
  position: absolute;
  left: -18px;
  top: -1px;
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}
.text-spacer {
  height: 12px;
}
code {
  background: color-mix(in srgb, var(--surface-soft) 80%, black);
  padding: 2px 5px;
  border-radius: 4px;
  font-family: monospace, monospace;
  font-size: 90%;
  color: var(--accent-dark);
}

/* Section Header Right Layout & Spacing */
.section-head-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  text-align: right;
  flex-shrink: 0;
}

@media (max-width: 760px) {
  .section-head {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
    margin-bottom: 28px !important;
  }
  .section-head-right {
    align-items: flex-start !important;
    text-align: left !important;
  }
}