/* Palette and type match the reference's warm, cinematic editorial system. */
:root {
  color-scheme: dark;
  --ink: #0D0C0B;
  --paper: #EFEDE8;
  --coral: #FF4D2E;
  --gold: #D4AF69;
  --gray: #B7B3AA;
  --dim: #8B877E;
  --line: #2E2C27;
  --surface: #131110;
  --cool: #151312;
  --mx: clamp(20px, 5vw, 84px);
  --font-body: "Pretendard Variable", Pretendard, sans-serif;
  --font-display: Montserrat, "Pretendard Variable", sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

/* Base, accessibility, and fixed chrome. */
* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; scroll-padding-top: 70px; }
body { margin: 0; color: var(--paper); font-family: var(--font-body); font-weight: 470; -webkit-font-smoothing: antialiased; }
body::after {
  content: ""; position: fixed; inset: 0; z-index: 1500; pointer-events: none; opacity: .055;
  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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23fff' filter='url(%23n)' d='M0 0h180v180H0z'/%3E%3C/svg%3E");
}
::selection { color: var(--ink); background: var(--coral); }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: pointer; border-radius: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; }
:focus-visible { outline: 2px solid var(--coral); outline-offset: 6px; }
img { display: block; max-width: 100%; height: auto; }
button, h1, h2, h3, h4, p, dl, dd, figure, blockquote { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, dd, a, button { overflow-wrap: anywhere; word-break: keep-all; }
[hidden] { display: none !important; }
.en { font-family: var(--font-display); font-weight: 800; }
.muted { color: var(--dim); }
.js-only { display: none; }
.js .js-only { display: flex; }
.skip-link { position: fixed; left: 20px; top: -100px; z-index: 1600; padding: 14px 22px; color: var(--ink); background: var(--coral); }
.skip-link:focus { top: 12px; }
.mast { position: fixed; top: 0; inset-inline: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px var(--mx); mix-blend-mode: difference; }
.brand { font-size: 14px; font-weight: 850; letter-spacing: -.02em; }
.mast-label, .mast-org { font-size: 10px; font-weight: 700; letter-spacing: .2em; }
.mast-label { position: absolute; left: 50%; transform: translateX(-50%); white-space: nowrap; }
#progline { position: fixed; inset: 0 0 auto; height: 2px; z-index: 200; background: var(--coral); transform: scaleX(0); transform-origin: left; }
.section-index { position: fixed; right: 20px; top: 50%; transform: translateY(-50%); z-index: 100; display: flex; flex-direction: column; }
.section-index a { position: relative; display: flex; gap: 8px; align-items: center; justify-content: flex-end; height: 35px; min-width: 44px; color: var(--dim); }
.index-no { font-size: 8px; letter-spacing: .05em; }
.section-index i { width: 12px; height: 1px; background: currentColor; transition: width .25s; }
.section-index a[aria-current="location"], .section-index a:hover, .section-index a:focus-visible { color: var(--coral); }
.section-index a[aria-current="location"] i { width: 23px; }
.index-label { position: absolute; right: 55px; padding: 5px 8px; background: var(--ink); color: var(--paper); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; opacity: 0; pointer-events: none; transform: translateX(5px); transition: opacity .2s, transform .2s; }
.section-index a:hover .index-label, .section-index a:focus-visible .index-label { opacity: 1; transform: none; }

/* Reel and the pinned portrait. */
.reel { position: relative; height: 100vh; height: 100svh; overflow: hidden; background: #000 url("../assets/video/reel-poster.jpg") center / cover no-repeat; }
.reel video { width: 100%; height: 100%; object-fit: cover; }
.reel-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,12,11,.28), transparent 35%, rgba(13,12,11,.3) 65%, rgba(13,12,11,.88)); }
.reel-label { position: absolute; left: var(--mx); bottom: 42px; font-size: 10px; font-weight: 700; letter-spacing: .24em; }
.scroll-cue { position: absolute; left: 50%; bottom: 36px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 17px; padding: 10px; font-size: 9px; font-weight: 700; letter-spacing: .35em; }
.scroll-cue i { display: block; width: 1px; height: 38px; background: linear-gradient(var(--paper), transparent); transform-origin: top; animation: scroll-cue 2.3s var(--ease) infinite; }
@keyframes scroll-cue { 0%, 100% { transform: scaleY(.55); opacity: .6; } 50% { transform: scaleY(1); opacity: 1; } }
.media-toggle { position: absolute; right: var(--mx); bottom: 32px; width: 44px; height: 44px; align-items: center; justify-content: center; background: rgba(13,12,11,.3); border: 1px solid rgba(239,237,232,.45); font-size: 14px; }
.hero { position: relative; height: 220vh; }
.pin { height: 100vh; height: 100svh; position: sticky; top: 0; overflow: hidden; display: flex; align-items: flex-end; padding: 0 var(--mx) 10vh; background: var(--ink); }
.hero-portrait { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 34%; filter: grayscale(1) brightness(.55); will-change: transform; }
#bgTint { position: absolute; inset: 0; background: radial-gradient(130% 100% at 65% 35%, transparent 25%, rgba(13,12,11,.78) 100%), linear-gradient(0deg, rgba(13,12,11,.9), transparent 70%); }
.hero-meta { position: absolute; top: 112px; left: var(--mx); right: var(--mx); display: flex; justify-content: space-between; color: #B8B4AB; font-size: 10px; letter-spacing: .2em; text-transform: uppercase; }
.hero-copy { position: relative; z-index: 1; max-width: 1050px; }
.hero .name { display: flex; flex-direction: column; gap: 20px; font-size: clamp(64px,9.6vw,156px); font-weight: 880; letter-spacing: -.035em; line-height: 1; color: rgba(239,237,232,.84); }
.ko-name { display: block; overflow: hidden; padding: .06em 0; }
.chz { display: inline-block; }
.name .en2 { font-size: .26em; font-weight: 800; letter-spacing: .34em; color: rgba(200,196,188,.7); }
.hero h1 { margin-top: 36px; font-size: clamp(20px,2.3vw,32px); font-weight: 800; letter-spacing: -.02em; line-height: 1.5; }
.hero h1 u { text-decoration: none; box-shadow: inset 0 -.4em 0 rgba(255,77,46,.42); }
.hero-sub { margin-top: 22px; max-width: 640px; font-size: clamp(15px,1.25vw,18px); font-weight: 500; letter-spacing: -.01em; line-height: 1.75; color: #D8D4CB; text-shadow: 0 1px 18px rgba(13,12,11,.6); }

/* Section rhythm and reveal choreography. */
.panel { position: relative; background: var(--surface); border-block: 1px solid var(--line); }
.panel + .panel { border-top: 0; }
.panel.warm { background: radial-gradient(ellipse at 100% 0, rgba(255,77,46,.075), transparent 65%), linear-gradient(rgba(19,17,16,.915), rgba(19,17,16,.915)), url("../assets/img/portrait.jpg") center / cover fixed; }
.panel.cool { background: radial-gradient(ellipse at 0 100%, rgba(58,80,140,.13), transparent 65%), linear-gradient(rgba(21,19,18,.915), rgba(21,19,18,.915)), url("../assets/img/portrait.jpg") center / cover fixed; }
.panel .inner { position: relative; isolation: isolate; max-width: 1240px; margin: 0 auto; padding: 13vh var(--mx); }
.inner[data-wm]::before { content: attr(data-wm); position: absolute; right: 0; top: 30px; max-width: 100%; overflow: hidden; font-family: var(--font-display); font-weight: 800; font-size: clamp(160px,20vw,340px); line-height: 1; letter-spacing: -.04em; color: transparent; -webkit-text-stroke: 1px rgba(239,237,232,.04); pointer-events: none; user-select: none; z-index: -1; }
.lab { font-size: 11.5px; font-weight: 700; letter-spacing: .28em; text-transform: uppercase; line-height: 1.7; }
.lab .no { color: var(--coral); margin-right: 12px; }
.panel h2 { margin-top: 20px; font-size: clamp(28px,3.6vw,54px); font-weight: 860; letter-spacing: -.045em; line-height: 1.06; }
.panel .desc { max-width: 600px; margin-top: 24px; font-size: 16px; line-height: 1.85; font-weight: 500; color: var(--gray); }
.rows { margin-top: 7vh; }
.rv { --delay: 0ms; }
.js .rv { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease) var(--delay), transform .9s var(--ease) var(--delay); }
.js .rv.on { opacity: 1; transform: none; }
.hrv { display: block; }
.js .hrv { clip-path: inset(0 0 100% 0); transform: translateY(20px); transition: clip-path .9s cubic-bezier(.77,0,.18,1) var(--delay), transform .9s var(--ease) var(--delay); }
.js .rv.on .hrv { clip-path: inset(0); transform: none; }
.js .irv { transition: opacity .9s var(--ease); }
.js .irv img { clip-path: inset(0 100% 0 0); transform: scale(1.12); transition: clip-path 1.1s var(--ease), transform 1.1s var(--ease); }
.js .irv.on img { clip-path: inset(0); transform: none; }
.js .lab { letter-spacing: .5em; transition: letter-spacing .9s var(--ease), opacity .9s var(--ease), transform .9s var(--ease); }
.js .lab.on { letter-spacing: .28em; }
.js .hero-copy .chz { opacity: 0; transform: translateY(.35em) rotate(2deg); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(250ms + var(--char) * 55ms); }
.js .hero-copy.on .chz { opacity: 1; transform: none; }

/* About, working method, and perspective. */
#about .inner { padding-top: 18vh; padding-bottom: 16vh; }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 70px; margin-top: 6vh; }
.about-copy p { font-size: 16.5px; line-height: 2; font-weight: 500; color: var(--gray); }
.about-copy p + p { margin-top: 24px; }
.about-copy strong { font-size: 18px; font-weight: 700; color: var(--paper); }
.fact { display: grid; grid-template-columns: 62px minmax(0,1fr); gap: 20px; padding: 22px 0; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.75; }
.fact dt { font-size: 11px; font-weight: 700; color: var(--coral); }
.fact dd { min-width: 0; }
.fact a { text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 5px; }
.fact a:hover { text-decoration-color: var(--coral); }
.work-row { display: grid; grid-template-columns: 56px minmax(190px,.85fr) 1.3fr; gap: 26px; padding: 34px 0; border-top: 1px solid var(--line); }
.row-no { color: var(--dim); font-size: 12px; line-height: 1.6; }
.work-row h3 { font-size: clamp(19px,2vw,27px); font-weight: 850; letter-spacing: -.02em; line-height: 1.35; }
.work-row p { font-size: 15px; line-height: 1.85; color: var(--gray); }
.work-row .example { margin-top: 18px; font-size: 13px; color: var(--dim); }
.example span { display: block; margin-bottom: 6px; color: var(--gold); font-size: 10px; letter-spacing: .14em; font-weight: 700; }
.thi { display: grid; grid-template-columns: 70px 1fr; gap: 14px 40px; padding: 42px 0; border-top: 1px solid var(--line); }
.thi .idx { grid-row: 1 / 3; font-size: 12px; color: var(--dim); padding-top: 7px; }
.thi h3 { font-size: clamp(20px,2.4vw,34px); font-weight: 840; letter-spacing: -.035em; line-height: 1.26; text-wrap: balance; }
.thi p { grid-column: 2; max-width: 640px; font-size: 15px; line-height: 1.85; color: var(--gray); }

/* Featured cases and the filterable archive. */
.irow { border-top: 1px solid var(--line); }
.irow:last-child { border-bottom: 1px solid var(--line); }
.case-head { display: grid; grid-template-columns: 56px minmax(0,1fr) auto; align-items: start; gap: 22px; padding-top: 34px; }
.case-head .row-no { padding-top: 4px; }
.case-title { display: block; font-size: clamp(18px,1.7vw,23px); font-weight: 820; letter-spacing: -.02em; line-height: 1.38; text-wrap: balance; }
.case-meta { display: block; margin-top: 8px; font-size: 11.5px; line-height: 1.7; color: var(--dim); font-weight: 500; }
.case-body { padding: 18px 0 34px 78px; }
.case-work { max-width: 760px; font-size: 15px; line-height: 1.8; color: var(--paper); font-weight: 500; }
.case-brief { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0; margin-top: 24px; border-top: 1px solid var(--line); }
.case-brief .case-field { padding: 18px 22px 4px 0; min-width: 0; }
.case-brief .case-field + .case-field { padding-left: 22px; border-left: 1px solid var(--line); }
.case-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; margin-top: 22px; }
.case-toggle { display: inline-flex; align-items: center; gap: 12px; min-height: 40px; padding: 8px 14px; border: 1px solid var(--line); background: transparent; color: var(--gray); font-size: 11.5px; font-weight: 700; transition: border-color .2s, color .2s, background .2s; }
.case-toggle:hover, .case-toggle[aria-expanded="true"] { border-color: var(--coral); color: var(--paper); background: rgba(255,77,46,.06); }
.chevron { color: var(--coral); font-size: 16px; line-height: 1; transition: transform .3s; }
.case-toggle[aria-expanded="true"] .chevron { transform: rotate(45deg); }
.badge { display: inline-flex; align-items: center; justify-content: center; width: fit-content; align-self: center; padding: 5px 9px; border: 1px solid var(--dim); color: var(--gray); font-size: 10px; font-weight: 700; letter-spacing: .02em; line-height: 1.35; white-space: nowrap; }
.badge.operating { background: var(--coral); border-color: var(--coral); color: var(--ink); }
.badge.built { border-color: var(--gold); color: var(--gold); }
.badge.strategy { border-color: #565149; color: var(--dim); }
.case-detail { margin-top: 18px; padding: 22px 24px 24px; background: rgba(239,237,232,.025); border-left: 2px solid var(--gold); }
.case-fields { display: grid; grid-template-columns: 1.5fr 1fr; gap: 22px 36px; }
.more-cases { border-top: 1px solid var(--line); }
#more-cases-btn { border-top: 1px solid var(--line); margin-top: -1px; }
.case-field dt { margin-bottom: 10px; font-size: 11px; color: var(--gold); font-weight: 700; letter-spacing: .1em; }
.case-field dd { color: var(--gray); font-size: 13.5px; line-height: 1.85; }
.case-field.result dd { color: var(--paper); }
.case-field.note dd { color: var(--dim); }
.role-chips, .tags { display: flex; flex-wrap: wrap; gap: 5px; }
.role-chips span { padding: 3px 7px; font-size: 10px; line-height: 1.5; border: 1px solid var(--line); color: var(--dim); }
.archive { margin-top: 13vh; }
.archive-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; }
.archive-heading h3 { font-size: clamp(22px,2.4vw,32px); font-weight: 850; letter-spacing: -.03em; }
.archive-heading .desc { margin-top: 16px; font-size: 14px; max-width: 620px; }
#archive-count { flex-shrink: 0; font-family: var(--font-display); font-size: 13px; color: var(--gold); white-space: nowrap; }
.archive-controls { flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; margin-top: 28px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-chip { min-height: 40px; background: transparent; border: 1px solid var(--line); color: var(--gray); padding: 9px 12px; font-size: 11px; font-weight: 600; transition: border-color .2s, background .2s, color .2s; }
.filter-chip:hover { border-color: var(--gray); color: var(--paper); }
.filter-chip[aria-pressed="true"] { color: var(--ink); background: var(--paper); border-color: var(--paper); }
.direct-toggle[aria-pressed="true"] { background: var(--coral); border-color: var(--coral); }
.archive-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); margin-top: 24px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.archive-card { display: flex; flex-direction: column; padding: 24px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.archive-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--dim); font-size: 10px; }
.archive-meta .en { color: var(--gold); }
.archive-card h4 { margin-top: 23px; font-size: 16px; font-weight: 800; letter-spacing: -.02em; line-height: 1.45; }
.archive-client { margin-top: 7px; color: var(--dim); font-size: 11px; line-height: 1.6; }
.archive-line { margin-top: 16px; margin-bottom: 24px; font-size: 13px; line-height: 1.8; color: var(--gray); }
.archive-foot { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.js .archive-card.is-page-hidden, .js .archive-card.is-filtered { display: none; }
.foldbtn { justify-content: center; align-items: center; gap: 25px; min-height: 54px; width: 100%; border: 1px solid var(--line); border-top: 0; background: transparent; font-weight: 700; font-size: 12px; }
.foldbtn:hover { background: rgba(255,77,46,.07); color: var(--coral); }
.empty-state { padding: 30px 0; font-size: 13px; color: var(--dim); }

/* Education and public projects. */
.learning-flow { display: grid; grid-template-columns: repeat(5,1fr); margin-top: 8vh; padding-block: 28px; border-block: 1px solid var(--line); }
.learning-flow li { position: relative; padding: 4px 22px; font-size: 13px; font-weight: 700; line-height: 1.7; }
.learning-flow li:first-child { padding-left: 0; }
.learning-flow li + li::before { content: "→"; position: absolute; left: -8px; top: 50%; transform: translateY(-50%); color: var(--coral); }
.program-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-top: 6vh; }
.program { padding: 24px 22px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.program-code { color: var(--gold); font-size: 10.5px; letter-spacing: .1em; }
.program h3 { font-size: 19px; font-weight: 850; letter-spacing: -.02em; margin-top: 16px; }
.program-who { font-size: 11.5px; color: var(--dim); margin-top: 10px; line-height: 1.7; }
.program dl { margin-top: 24px; }
.program dl > div + div { margin-top: 20px; }
.program dt { font-size: 10px; color: var(--gold); font-weight: 700; letter-spacing: .1em; margin-bottom: 6px; }
.program dd { font-size: 13px; color: var(--gray); line-height: 1.85; }
.education-years { margin-top: 6vh; }
.education-years li { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.education-years .en { font-size: 11px; color: var(--gold); line-height: 1.8; }
.education-years p { font-size: 13px; line-height: 1.7; color: var(--gray); }
.project-tabs { display: flex; gap: 32px; border-bottom: 1px solid var(--line); margin-top: 8vh; }
.pj-tab { display: flex; align-items: center; justify-content: center; gap: 14px; position: relative; padding: 18px 0; color: var(--dim); font-size: 14px; font-weight: 800; }
.pj-tab::after { content: ""; position: absolute; inset: auto 0 -1px; height: 2px; background: transparent; }
.pj-tab[aria-selected="true"] { color: var(--coral); }
.pj-tab[aria-selected="true"]::after { background: var(--coral); }
.pj-tab em { font-family: var(--font-display); font-size: 10px; font-weight: 800; font-style: normal; }
.project-panel { display: none; grid-template-columns: repeat(auto-fill,minmax(290px,1fr)); border-left: 1px solid var(--line); }
.project-panel.is-active { display: grid; }
html:not(.js) .project-panels:has(.project-panel:target) .project-panel { display: none; }
html:not(.js) .project-panels:has(.project-panel:target) .project-panel:target { display: grid; }
html:not(.js) .project-tabs:has(~ .project-panels .project-panel:target) .pj-tab { color: var(--dim); }
html:not(.js) .project-tabs:has(~ .project-panels .project-panel:target) .pj-tab::after { background: transparent; }
html:not(.js) .project-tabs:has(~ .project-panels #built-skills:target) #tab-skills,
html:not(.js) .project-tabs:has(~ .project-panels #built-products:target) #tab-products { color: var(--coral); }
.pj { padding: 24px 22px 22px; min-height: 210px; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; transition: background .24s, transform .24s; }
a.pj:hover { background: rgba(255,77,46,.07); transform: translateY(-3px); }
.pj-n { display: flex; justify-content: space-between; gap: 14px; font-size: 17px; font-weight: 880; letter-spacing: -.01em; line-height: 1.4; word-break: normal; overflow-wrap: anywhere; }
.pj-n i { flex-shrink: 0; font-weight: 500; font-style: normal; color: var(--dim); transition: transform .24s, color .24s; }
a.pj:hover i { color: var(--coral); transform: translate(3px,-3px); }
.pj-d { margin-top: 14px; margin-bottom: 24px; font-size: 13.5px; color: var(--gray); line-height: 1.65; }
.pj-m { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.pj-url { font-size: 10px; color: var(--dim); word-break: break-all; }
.tags span { font-size: 10px; padding: 3px 7px; border: 1px solid var(--line); color: var(--gold); line-height: 1.4; }

/* Career, evidence, and the book pair. */
.tline, .stats, .books { margin-top: 8vh; }
.trow2 { display: grid; grid-template-columns: 160px 220px 1fr; gap: 26px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.trow2 .yr { white-space: nowrap; font-size: clamp(18px,1.9vw,28px); line-height: 1.35; letter-spacing: -.02em; color: var(--gold); }
.trow2 h3 { font-size: 16px; font-weight: 800; line-height: 1.65; }
.trow2 p { font-size: 13.5px; line-height: 1.85; color: var(--gray); }
.stats { display: grid; grid-template-columns: repeat(4,1fr); border-block: 1px solid var(--line); }
.stat { padding: 44px 26px 40px; border-right: 1px solid var(--line); }
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: 0; }
.stat .n { font-family: var(--font-body); font-size: clamp(34px,3.6vw,62px); font-weight: 860; letter-spacing: -.045em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat .u { font-size: .4em; font-weight: 800; margin-left: 5px; }
.stat .d { margin-top: 14px; font-size: 13.5px; line-height: 1.65; font-weight: 600; color: var(--gray); }
.stat .muted { display: inline-block; margin-top: 6px; font-size: 11px; font-weight: 500; }
.js .stat { transform: translateY(28px) scale(.7); transition: opacity .9s var(--ease) var(--delay), transform .8s cubic-bezier(.34,1.56,.64,1) var(--delay); }
.js .stat.on { transform: none; }
.quote { margin-top: 12vh; }
.bigquote { max-width: 880px; font-size: clamp(20px,2.5vw,34px); font-weight: 800; letter-spacing: -.025em; line-height: 1.55; }
.bigquote em { color: var(--coral); font-style: normal; }
.quote figcaption { color: var(--dim); font-size: 11px; margin-top: 22px; line-height: 1.7; }
.books { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); perspective: 700px; }
.bk { padding: 26px 24px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transform-style: preserve-3d; transition: transform .25s var(--ease); }
.bk img { width: 100%; max-width: 190px; margin-bottom: 24px; }
.bk .s { font-size: 10.5px; letter-spacing: .22em; color: var(--gold); text-transform: uppercase; }
.bk h3 { margin-top: 14px; font-size: 19px; font-weight: 850; line-height: 1.45; letter-spacing: -.02em; }
.book-copy > p:last-child { margin-top: 12px; max-width: 370px; font-size: 13px; color: var(--gray); line-height: 1.8; }

/* Seamless field columns, with a complete two-column mobile arrangement. */
.field-heading { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.text-button { padding: 8px 0; min-height: 40px; background: transparent; border: 0; border-bottom: 1px solid var(--line); font-size: 10px; color: var(--dim); white-space: nowrap; }
.text-button:hover { color: var(--coral); }
.galwrap { margin-top: 8vh; }
.vcols { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; height: 86vh; overflow: hidden; mask-image: linear-gradient(transparent, #000 8%, #000 92%, transparent); }
.vcol { min-width: 0; overflow: hidden; }
.vcol-track { animation: field-scroll 52s linear infinite; will-change: transform; }
.vcol:nth-child(2) .vcol-track { animation-duration: 64s; animation-direction: reverse; }
.vcol:nth-child(3) .vcol-track { animation-duration: 74s; }
.vcol:nth-child(4) .vcol-track { animation-duration: 58s; animation-direction: reverse; }
.vcol-group { display: flex; flex-direction: column; gap: 16px; padding-bottom: 16px; }
.fill-repeat { display: flex; flex-direction: column; gap: 16px; }
.vcol img { width: 100%; filter: grayscale(1) contrast(1.05); border: 1px solid #26241F; transition: filter .4s; }
.vcol img:hover { filter: none; }
.galwrap:hover .vcol-track, .field.is-paused .vcol-track, .field.is-offscreen .vcol-track { animation-play-state: paused; }
.vcols-mobile { display: none; }
@keyframes field-scroll { to { transform: translateY(-50%); } }

/* Scroll canvas and its accessible, non-canvas source. */
.problems > .inner { padding-bottom: 4vh; }
#wallSec { height: 260vh; position: relative; }
#wallPin { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; background: var(--ink); }
#wall { display: block; width: 100%; height: 100%; }
#wallNum { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-size: clamp(120px,20vw,340px); line-height: 1; letter-spacing: -.08em; color: var(--paper); mix-blend-mode: difference; pointer-events: none; font-variant-numeric: tabular-nums; }
.wall-fallback { display: flex; flex-wrap: wrap; padding: 24px var(--mx) 70px; }
.wall-fallback li { flex-grow: 1; text-align: center; padding: 14px 20px; border: 1px solid var(--line); color: var(--gray); font-size: 13px; }
.canvas-ready .wall-fallback { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
html:not(.canvas-ready) #wallSec { display: none; }

/* Portrait statement, contact, and footer. */
.split { display: grid; grid-template-columns: 1fr 1.1fr; min-height: 100vh; background: var(--cool); }
.split-photo { position: relative; min-height: 100vh; overflow: hidden; }
.split-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 12%; filter: grayscale(1) contrast(1.12) brightness(.96); }
.split-copy { display: flex; align-items: center; padding: 70px clamp(28px,5vw,84px); }
.w1big { font-size: clamp(44px,5.6vw,96px); font-weight: 860; line-height: 1.06; letter-spacing: -.05em; background: linear-gradient(rgba(239,237,232,.62), rgba(239,237,232,.62)), url("../assets/img/portrait-statement.jpg") 50% 14% / cover; -webkit-background-clip: text; background-clip: text; color: transparent; filter: brightness(1.35); }
.w1big > span { display: block; margin-bottom: .1em; }
/* filter on a child breaks the parent's background-clip:text in Chrome, so pre-darken instead (parent brightness 1.35). */
.w1big em { color: #BD3922; -webkit-text-fill-color: #BD3922; font-style: normal; }
.contact { min-height: 100vh; display: flex; align-items: center; }
.contact .inner { width: 100%; max-width: none; }
.contact h2 { font-size: clamp(36px,5.6vw,92px); line-height: 1.04; letter-spacing: -.05em; }
.contact-sub { margin-top: 22px; font-size: clamp(20px,2.3vw,34px); font-weight: 800; letter-spacing: -.03em; color: var(--coral); line-height: 1.4; }
.contact .desc { max-width: 540px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 30px; padding: 18px 38px; font-size: 15.5px; font-weight: 800; border: 1px solid var(--paper); overflow: hidden; transition: transform .25s, box-shadow .25s; }
.button.primary { background: var(--coral); color: var(--ink); border-color: var(--coral); }
.button.primary::before { content: ""; position: absolute; width: 45%; height: 160%; left: -60%; top: -30%; transform: skewX(-20deg); background: linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent); }
.button.primary:hover { transform: translateY(-4px); box-shadow: 0 14px 35px rgba(255,77,46,.23); }
.button.primary:hover::before { left: 125%; transition: left .7s; }
.button.secondary:hover { background: rgba(239,237,232,.04); }
.mail { display: table; max-width: 100%; margin-top: 54px; padding-bottom: 8px; border-bottom: 3px solid var(--coral); font-family: var(--font-display); font-size: clamp(22px,3vw,44px); font-weight: 800; line-height: 1.3; word-break: break-all; }
.contact-links { display: flex; gap: 32px; margin-top: 26px; }
.contact-links a { color: var(--gray); font-size: 11px; letter-spacing: .06em; }
.contact-links a:hover { color: var(--coral); }
.contact-links span { margin-left: 12px; }
footer { display: flex; justify-content: space-between; gap: 24px; padding: 28px var(--mx); border-top: 1px solid var(--line); color: var(--dim); font-size: 10px; letter-spacing: .07em; line-height: 1.8; }

/* Explicit breakpoints avoid the reference's conflicting mobile specificity. */
@media (max-width: 1100px) {
  .section-index { display: none; }
  .work-row { grid-template-columns: 40px minmax(180px,.9fr) 1.2fr; gap: 22px; }
  .trow2 { grid-template-columns: 140px 190px 1fr; gap: 22px; }
  .about-grid { gap: 44px; }
}
@media (min-width: 1100px) { .section-index { display: flex; } }
@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat:nth-child(3) { padding-left: 0; }
  .trow2 { grid-template-columns: 120px 1fr; }
  .trow2 p { grid-column: 2; }
  .thi { grid-template-columns: 44px 1fr; column-gap: 26px; }
  .split { grid-template-columns: 1fr; }
  .split-photo { min-height: 80vh; }
  .split-photo img { object-position: center 25%; }
  .split-copy { min-height: 60vh; }
  .w1big { font-size: clamp(44px,9vw,96px); }
  .case-head { grid-template-columns: 40px minmax(0,1fr) auto; gap: 14px; }
  .case-body { padding-left: 54px; }
  .work-row { grid-template-columns: 40px 1fr; }
  .work-row > div { grid-column: 2; }
  .learning-flow li { font-size: 12px; padding-inline: 14px; }
}
@media (max-width: 760px) {
  :root { --mx: 20px; }
  .mast { padding: 14px 18px; }
  .brand { font-size: 12px; }
  .mast-label { display: none; }
  .mast-org { font-size: 9px; letter-spacing: .15em; }
  .reel-label { bottom: 28px; max-width: 50%; font-size: 8px; letter-spacing: .14em; line-height: 1.8; }
  .scroll-cue { bottom: 24px; font-size: 8px; }
  .media-toggle { bottom: 24px; }
  .pin { padding: 0 20px 12vh; }
  .hero-portrait { object-position: 57% 28%; }
  .hero-meta { top: 82px; font-size: 9px; }
  .hero .name { font-size: clamp(56px,17vw,84px); gap: 17px; }
  .name .en2 { letter-spacing: .22em; }
  .hero h1 { line-height: 1.55; margin-top: 30px; }
  .hero-sub { font-size: 10px; letter-spacing: .12em; }
  .panel .inner { padding: 13vh var(--mx); }
  .panel.warm, .panel.cool { background-attachment: scroll; }
  .lab { font-size: 10px; letter-spacing: .2em; }
  .js .lab.on { letter-spacing: .2em; }
  .panel .desc { font-size: 15px; }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .about-copy p { font-size: 15px; }
  .about-copy strong { font-size: 17px; }
  .fact { grid-template-columns: 62px 1fr; }
  .work-row { grid-template-columns: 28px 1fr; gap: 14px; padding: 28px 0; }
  .work-row p { font-size: 14px; }
  .thi { grid-template-columns: 28px 1fr; gap: 16px; padding: 32px 0; }
  .thi p { font-size: 14px; }
  .case-head { grid-template-columns: 28px minmax(0,1fr); gap: 12px; padding-top: 28px; }
  .case-head .badge { grid-column: 2; }
  .case-meta { font-size: 10.5px; }
  .case-body { padding: 14px 0 28px 40px; }
  .case-work { font-size: 14px; }
  .case-brief { grid-template-columns: 1fr; }
  .case-brief .case-field { padding: 16px 0 2px; }
  .case-brief .case-field + .case-field { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .case-detail { padding: 18px 16px; }
  .case-fields { grid-template-columns: 1fr; gap: 20px; }
  .archive-heading { align-items: flex-start; gap: 16px; }
  #archive-count { padding-top: 5px; font-size: 11px; }
  .archive-heading .desc { font-size: 13px; }
  .filter-chip { font-size: 10.5px; padding-inline: 10px; }
  .learning-flow { display: flex; flex-wrap: wrap; gap: 22px 0; }
  .learning-flow li { flex: 0 0 50%; padding: 4px 20px; }
  .learning-flow li:first-child { padding-left: 20px; }
  .learning-flow li + li::before { left: 0; }
  .learning-flow li:last-child { color: var(--gold); }
  .education-years li { grid-template-columns: 120px 1fr; gap: 16px; }
  .project-panel { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .project-tabs { gap: 24px; }
  .pj-tab { font-size: 12px; gap: 10px; }
  .pj { padding: 16px 14px; }
  .pj-n { font-size: 15px; }
  .pj-d { font-size: 12.5px; }
  .trow2 { grid-template-columns: 1fr; gap: 12px; }
  .trow2 p { grid-column: 1; }
  .trow2 .yr { font-size: 22px; }
  .stat { padding: 30px 18px; }
  .stat .d { font-size: 12px; }
  .stat .muted { font-size: 10px; }
  .books { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .bk { padding: 20px 14px; }
  .bk img { max-width: 160px; }
  .bk .s { font-size: 9px; letter-spacing: .1em; }
  .bk h3 { font-size: 16px; }
  .book-copy > p:last-child { font-size: 12px; }
  .field-heading { align-items: flex-start; }
  .field-heading .lab { max-width: 65%; }
  .text-button { padding-top: 0; font-size: 9px; }
  .vcols-desktop { display: none; }
  .vcols-mobile { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); height: 70vh; gap: 10px; }
  .vcol-group { gap: 10px; padding-bottom: 10px; }
  .problems > .inner { padding-bottom: 4vh; }
  .split-photo { min-height: 70vh; }
  .split-copy { padding-inline: 20px; min-height: 60vh; }
  .contact .inner { padding-block: 14vh; }
  .contact-actions { gap: 10px; }
  .button { padding: 16px 22px; gap: 20px; font-size: 13px; }
  .mail { margin-top: 42px; }
  footer { flex-direction: column; gap: 8px; font-size: 9px; }
}
@media (max-width: 480px) {
  .project-panel { grid-template-columns: 1fr; }
  .archive-grid, .program-grid { grid-template-columns: minmax(0,1fr); }
  .archive-card { padding: 24px 20px; }
  .project-tabs { gap: 20px; }
  .learning-flow li { font-size: 11px; }
  .mail { font-size: clamp(19px,5.7vw,25px); }
}

/* Reduced motion is complete, including JS-driven and media effects. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .rv, .js .hrv, .js .irv, .js .hero-copy .chz { opacity: 1; transform: none; clip-path: none; }
  .js .irv img, .hero-portrait, .bk { transform: none !important; clip-path: none; }
  .js .lab { letter-spacing: .28em; }
  .reel video, .reel .media-toggle, #field-toggle { display: none; }
  .hero { height: 100vh; height: 100svh; }
  .pin { position: relative; }
  .vcols { height: auto; mask-image: none; overflow: visible; align-items: start; }
  .vcol { overflow: visible; }
  .vcol-track { transform: none; will-change: auto; }
  .vcol-group.duplicate, .fill-repeat { display: none; }
  #wallSec { height: 100vh; height: 100svh; }
  #wallPin { position: relative; }
}

/* 문의: 연락하기 좋은 상황 */
.contact-when { display: grid; gap: 10px; max-width: 640px; margin-top: 30px; }
.contact-when li { position: relative; padding-left: 22px; font-size: 15px; line-height: 1.7; color: var(--paper); }
.contact-when li::before { content: ""; position: absolute; left: 0; top: .8em; width: 11px; height: 2px; background: var(--coral); }
@media (max-width: 760px) { .contact-when li { font-size: 14px; } }
@media (max-width: 1100px) { .program-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }