/* Layout: brochure split hero (photo | crimson panel) → overview ledger → track tabs → program sheets → faculty → venue → contact */
:root{
  --crimson:#A9302C;
  --crimson-ink:#8C2522;
  --on-crimson:#FFF7F5;
  --bg:#F3F0EE;
  --surface:#FBF9F8;
  --ink:#1E1919;
  --muted:#6B6160;
  --rule:#DDD5D2;
  --chip:#EDE6E3;
  --logo-plate:transparent;
  --display:"Archivo",'Noto Sans KR',system-ui,sans-serif;
  --body:'Noto Sans KR',"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1120px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --crimson:#AE3530;--crimson-ink:#E57A73;--on-crimson:#FFF7F5;
    --bg:#161212;--surface:#201A1A;--ink:#F2ECEA;--muted:#ABA09E;--rule:#3A3130;--chip:#2C2423;
    --logo-plate:#F3F0EE;color-scheme:dark}
}
:root[data-theme="dark"]{
  --crimson:#AE3530;--crimson-ink:#E57A73;--on-crimson:#FFF7F5;
  --bg:#161212;--surface:#201A1A;--ink:#F2ECEA;--muted:#ABA09E;--rule:#3A3130;--chip:#2C2423;
  --logo-plate:#F3F0EE;color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.75;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--crimson);outline-offset:3px}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--display);font-stretch:100%;font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--crimson-ink)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.logo{display:inline-flex;align-items:center;background:var(--logo-plate);border-radius:6px;padding:4px 6px}
.logo img{height:30px;width:auto}
.nav{display:flex;gap:22px;font-size:.92rem;font-weight:500}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--ink)}
.nav .cta{color:var(--on-crimson);background:var(--crimson);padding:6px 14px;border-radius:999px}
.nav .cta:hover{color:var(--on-crimson);background:var(--crimson-ink)}
@media (max-width:820px){.nav a:not(.cta){display:none}}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr 1fr;background:var(--crimson);color:var(--on-crimson)}
.hero-photo{position:relative;min-height:420px;background:#7a6a5a url("assets/boston-public-garden.jpg") 30% 50%/cover no-repeat}
.hero-panel{padding:clamp(40px,6vw,88px) max(20px,env(safe-area-inset-right,0px)) clamp(40px,6vw,88px) clamp(28px,5vw,72px);display:flex;flex-direction:column;justify-content:center;gap:22px;min-width:0}
.hero-panel .edition{font-family:var(--display);font-weight:800;font-stretch:100%;font-size:clamp(1.2rem,2vw,1.6rem);letter-spacing:.01em}
.hero-panel h1{font-family:var(--display);font-weight:300;font-stretch:112%;text-transform:uppercase;line-height:.98;font-size:clamp(2.6rem,6.4vw,5.4rem);letter-spacing:-.01em}
.hero-panel .dates{font-family:var(--mono);font-size:clamp(1rem,1.5vw,1.2rem);letter-spacing:.04em;opacity:.95}
.hero-panel .lede{max-width:34em;font-size:1.02rem;opacity:.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.95rem;text-decoration:none;padding:12px 20px;border-radius:999px;border:1.5px solid var(--on-crimson)}
.btn.solid{background:var(--on-crimson);color:#8C2522}
.btn.ghost{color:var(--on-crimson)}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
@media (max-width:820px){
  .hero{grid-template-columns:1fr}
  .hero-photo{min-height:0;aspect-ratio:16/10;max-width:100%}
  .hero-panel{padding-left:max(20px,env(safe-area-inset-left,0px))}
}

/* sections */
section.block{padding-block:clamp(64px,9vw,112px)}
section.block + section.block{border-top:1px solid var(--rule)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:24px 56px;align-items:end;margin-bottom:44px}
.sec-head h2{font-family:var(--display);font-stretch:88%;font-weight:700;font-size:clamp(1.9rem,3.6vw,2.8rem);line-height:1.1;letter-spacing:-.01em;margin-top:10px}
.sec-head h2 .ko{display:block;font-family:var(--body);font-weight:700;font-size:.62em;letter-spacing:0;margin-top:8px;color:var(--muted)}
.sec-head p{color:var(--muted);max-width:40em}
@media (max-width:820px){.sec-head{grid-template-columns:1fr;align-items:start}}

/* overview */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--ink)}
.fact{padding:20px 24px 24px 0;border-bottom:1px solid var(--rule);min-width:0}
.fact + .fact{padding-left:24px;border-left:1px solid var(--rule)}
.fact dt{font-size:.82rem;color:var(--muted);font-weight:500}
.fact dd{margin:6px 0 0;font-weight:700;font-size:1.12rem;line-height:1.45}
.fact dd small{display:block;font-weight:400;color:var(--muted);font-size:.88rem;margin-top:4px}
@media (max-width:820px){.facts{grid-template-columns:1fr}.fact + .fact{padding-left:0;border-left:0}}

.timeline{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:9px;height:2px;background:var(--rule)}
.timeline li{position:relative;padding-top:30px;padding-right:16px;min-width:0}
.timeline li::before{content:"";position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--crimson)}
.timeline li.key::before{background:var(--crimson)}
.timeline .when{font-family:var(--mono);font-weight:500;font-size:.95rem;font-variant-numeric:tabular-nums}
.timeline .what{font-weight:700;margin-top:2px}
.timeline .note{color:var(--muted);font-size:.88rem;line-height:1.6;margin-top:2px}
@media (max-width:820px){
  .timeline{grid-template-columns:1fr;gap:22px;padding-left:30px}
  .timeline::before{left:7px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .timeline li{padding-top:0}
  .timeline li::before{left:-30px;top:4px}
}

.notes{margin-top:40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 40px;padding:0;list-style:none;color:var(--muted);font-size:.93rem}
.notes li{padding-left:16px;position:relative}
.notes li::before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;background:var(--crimson);border-radius:1px}
@media (max-width:820px){.notes{grid-template-columns:1fr}}

/* tracks */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tab{font:inherit;font-weight:700;font-size:.95rem;cursor:pointer;background:var(--chip);color:var(--ink);border:1px solid transparent;border-radius:999px;padding:9px 18px}
.tab[aria-selected="true"]{background:var(--ink);color:var(--bg)}
.tab:hover{border-color:var(--rule)}
.track{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:40px 64px;align-items:start}
.track h3{font-family:var(--display);font-stretch:90%;font-weight:700;font-size:clamp(1.6rem,2.8vw,2.2rem);line-height:1.15}
.track .tag{margin-top:12px;color:var(--muted)}
.track ul,.split ul:not(.notes){margin:24px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.track ul li,.split ul:not(.notes) li{padding-left:18px;position:relative}
.track ul li::before,.split ul:not(.notes) li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;border-radius:50%;background:var(--crimson)}
.sched{width:100%;border-collapse:collapse;font-size:.95rem}
.sched td{padding:12px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.sched tr:first-child td{border-top:2px solid var(--ink)}
.sched td.t{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap;padding-right:24px;width:1%}
.sched td.s{font-weight:500}
.sched tr.meal td.s{color:var(--muted);font-weight:400}
@media (max-width:820px){.track{grid-template-columns:1fr}}

/* programs */
.group-label{display:flex;align-items:baseline;gap:14px;margin:56px 0 20px}
.group-label:first-of-type{margin-top:0}
.group-label h3{font-family:var(--display);font-stretch:85%;font-weight:700;font-size:1.35rem}
.group-label span{color:var(--muted);font-size:.9rem}

.feature{background:var(--surface);border:1px solid var(--rule);border-radius:4px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr)}
.feature-intro{padding:clamp(28px,4vw,44px);border-right:1px solid var(--rule);display:flex;flex-direction:column;gap:14px;min-width:0}
.sponsor{display:inline-flex;align-self:flex-start;font-family:var(--display);font-stretch:100%;font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--crimson-ink);border:1px solid currentColor;border-radius:3px;padding:3px 8px}
.feature-intro h4,.prog h4{font-family:var(--display);font-stretch:92%;font-weight:700;font-size:1.65rem;line-height:1.15;margin:0}
.feature-intro .ko,.prog .ko{color:var(--muted);font-weight:500;font-size:.95rem;margin-top:-6px}
.tiers{list-style:none;margin:0;padding:0;min-width:0}
.tier{display:grid;grid-template-columns:96px minmax(0,1fr);gap:18px;padding:24px clamp(24px,3.5vw,40px);border-bottom:1px solid var(--rule)}
.tier:last-child{border-bottom:0}
.tier .rank{font-family:var(--display);font-stretch:100%;font-weight:800;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--crimson-ink);padding-top:4px}
.tier .rank b{display:block;font-family:var(--body);font-size:1.05rem;letter-spacing:0;color:var(--ink);margin-top:2px}
.tier h5{margin:0;font-size:1.08rem;font-weight:700;line-height:1.5}
.tier p{color:var(--muted);font-size:.93rem;margin-top:6px}
.hir{margin-top:14px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:3px;overflow:hidden}
.hir div{background:var(--bg);padding:10px 14px}
.hir dt{font-size:.75rem;color:var(--muted)}
.hir dd{margin:0;font-family:var(--mono);font-size:.9rem;font-weight:500;font-variant-numeric:tabular-nums}
.fine{font-size:.8rem;color:var(--muted);margin-top:10px;line-height:1.6}
@media (max-width:820px){
  .feature{grid-template-columns:1fr}
  .feature-intro{border-right:0;border-bottom:1px solid var(--rule)}
  .tier{grid-template-columns:1fr;gap:6px}
}
@media (max-width:420px){.hir{grid-template-columns:1fr}}

.progs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:2px solid var(--ink)}
.prog{padding:28px 28px 30px 0;display:flex;flex-direction:column;gap:12px;min-width:0;border-bottom:1px solid var(--rule)}
.prog + .prog{padding-left:28px;border-left:1px solid var(--rule)}
.prog .desc{font-size:.95rem}
.prog .out{margin-top:auto;padding-top:14px;border-top:1px dashed var(--rule);font-size:.88rem;color:var(--muted)}
.prog .out b{color:var(--ink);font-weight:700;margin-right:6px}
@media (max-width:900px){.progs{grid-template-columns:1fr}.prog + .prog{padding-left:0;border-left:0}.prog{padding-right:0}}

.showcase{margin-top:56px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;padding:26px clamp(22px,3vw,36px);background:var(--crimson);color:var(--on-crimson);border-radius:4px}
.showcase .d{font-family:var(--mono);font-size:1.6rem;font-weight:500}
.showcase p{max-width:44em;min-width:0;flex:1 1 320px}
.showcase strong{display:block;font-size:1.1rem}

/* faculty */
.faculty{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.person{background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:26px;min-width:0}
.person .name{font-size:1.5rem;font-weight:700;line-height:1.2}
.person .subj{color:var(--crimson-ink);font-weight:500;margin-top:6px}
.points{margin-top:36px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;list-style:none;padding:0}
.points li{border-top:2px solid var(--ink);padding-top:12px;font-weight:700}
@media (max-width:820px){.faculty{grid-template-columns:1fr}.points{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* venue */
.venue{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:28px;align-items:start}
.venue figure{margin:0}
.venue .main{aspect-ratio:4/3;width:100%;object-fit:cover;border-radius:4px;max-width:100%}
.thumbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px}
.thumbs img{aspect-ratio:3/2;width:100%;object-fit:cover;border-radius:3px}
.addr{font-size:1.25rem;font-weight:700;line-height:1.4}
.addr-lines{margin-top:14px;display:grid;gap:4px;color:var(--muted)}
.venue-info{display:flex;flex-direction:column;gap:20px;min-width:0}
.link{font-weight:700;color:var(--crimson-ink);text-underline-offset:4px}
@media (max-width:820px){.venue{grid-template-columns:1fr}}

/* contact */
.contact{background:var(--ink);color:var(--bg)}
.contact .wrap{padding-block:clamp(56px,8vw,96px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:32px;align-items:end}
.contact h2{font-family:var(--display);font-stretch:100%;font-weight:300;text-transform:uppercase;font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.02}
.contact p{opacity:.8;margin-top:14px;max-width:34em}
.contact-lines{display:grid;gap:10px;font-size:1.05rem}
.contact-lines div{display:flex;gap:14px;flex-wrap:wrap;border-bottom:1px solid color-mix(in srgb,var(--bg) 25%,transparent);padding-bottom:10px}
.contact-lines dt{opacity:.65;min-width:72px}
.contact-lines dd{margin:0;font-weight:700;user-select:all}
@media (max-width:820px){.contact .wrap{grid-template-columns:1fr}}

footer{padding-block:28px;font-size:.82rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* ── detail pages ── */
.more{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-weight:700;font-size:.92rem;color:var(--crimson-ink);text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:2px}
.more:hover{color:var(--ink)}
.page-hero{background:var(--crimson);color:var(--on-crimson)}
.page-hero .wrap{padding-block:clamp(44px,7vw,92px);display:grid;gap:16px}
.crumb{font-size:.9rem}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline;text-underline-offset:3px}
.page-hero .tagline{font-family:var(--display);font-stretch:100%;font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
.page-hero h1{font-family:var(--display);font-weight:300;font-stretch:112%;text-transform:uppercase;line-height:.98;font-size:clamp(2.3rem,5.6vw,4.6rem);letter-spacing:-.01em}
.page-hero .ko-title{font-weight:700;font-size:clamp(1.05rem,1.8vw,1.3rem)}
.page-hero .lede{max-width:40em;opacity:.95}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.subnav a{font-size:.88rem;font-weight:700;text-decoration:none;padding:7px 14px;border-radius:999px;border:1.5px solid color-mix(in srgb,var(--on-crimson) 55%,transparent)}
.subnav a[aria-current="page"]{background:var(--on-crimson);color:#8C2522;border-color:var(--on-crimson)}
.subnav a:not([aria-current]):hover{background:rgba(255,255,255,.12)}

.person .aff{color:var(--crimson-ink);font-weight:500;margin-top:6px}
.person .bio{color:var(--muted);font-size:.93rem;margin-top:12px}
.person .label{font-family:var(--display);font-stretch:100%;font-weight:700;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.faculty.two{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:820px){.faculty.two{grid-template-columns:1fr}}

.criteria{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:28px}
.criteria li{border-top:2px solid var(--ink);padding-top:14px;min-width:0}
.criteria h3{font-size:1.05rem;font-weight:700;line-height:1.45}
.criteria h3 span{display:block;font-family:var(--display);font-stretch:100%;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--crimson-ink);margin-bottom:4px}
.criteria p{color:var(--muted);font-size:.93rem;margin-top:8px}
@media (max-width:900px){.criteria{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.criteria{grid-template-columns:1fr}}

.sched td.s small{display:block;color:var(--muted);font-weight:400;font-size:.9rem;margin-top:2px;line-height:1.6}
.sched td.t small{display:block;font-size:.8rem}

.members{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.members li{font-size:.92rem;font-weight:500;background:var(--chip);border-radius:3px;padding:6px 12px}
.members li.p5{background:transparent;border:1.5px solid var(--crimson);color:var(--crimson-ink);font-weight:700}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--muted);font-size:.85rem;margin-top:14px}

.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--ink)}
.stat{padding:22px 24px 24px 0;border-bottom:1px solid var(--rule);min-width:0}
.stat + .stat{padding-left:24px;border-left:1px solid var(--rule)}
.stat .num{font-family:var(--display);font-stretch:90%;font-weight:700;font-size:clamp(2.2rem,4vw,3rem);line-height:1;color:var(--crimson-ink)}
.stat .what{font-weight:700;margin-top:12px;line-height:1.5}
.stat .what small{display:block;font-weight:400;color:var(--muted);font-size:.88rem;margin-top:2px}
@media (max-width:820px){.stats{grid-template-columns:1fr}.stat + .stat{padding-left:0;border-left:0}}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:40px 64px;align-items:start}
.split h3{font-family:var(--display);font-stretch:90%;font-weight:700;font-size:clamp(1.4rem,2.4vw,1.8rem);line-height:1.2}
.split .tag{margin-top:12px;color:var(--muted)}
@media (max-width:820px){.split{grid-template-columns:1fr}}

.next{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.next a{display:block;text-decoration:none;background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:18px 20px}
.next a:hover{border-color:var(--crimson)}
.next small{display:block;color:var(--muted);font-size:.82rem}
.next b{display:block;margin-top:4px}
@media (max-width:820px){.next{grid-template-columns:1fr}}