/* =========================================================
   SPD Lab — Social Public Design Lab
   Hongik University · Public Design
   Tone: black / graphite / gray · Noto Sans KR
   ========================================================= */

:root {
  --bg: #0a0a0b;
  --bg-2: #111113;
  --bg-3: #18181b;
  --ink: #ececea;
  --ink-2: #a6a6a8;
  --ink-3: #6c6c70;
  --ink-4: #3f3f44;
  --orange: #ff6b1a;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.28);
  --accent: #d6d3cc;

  --font: "Noto Sans KR", sans-serif;
  --wrap: 1360px;
  --gutter: clamp(20px, 4vw, 56px);
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: normal;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--ink); color: var(--bg); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Type ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-size: 12px; font-weight: 500; letter-spacing: normal; text-transform: uppercase;
  color: var(--ink-2);
}
.eyebrow .no { color: var(--ink); font-weight: 700; }
.eyebrow::after { content: ""; width: 48px; height: 1px; background: var(--line-strong); }

.h-display {
  font-weight: 800; letter-spacing: normal; line-height: 1.02;
  font-size: clamp(44px, 8.4vw, 132px);
}
.h-section {
  font-weight: 700; letter-spacing: normal; line-height: 1.12;
  font-size: clamp(32px, 4.6vw, 64px);
}
.h-sub { font-weight: 600; letter-spacing: normal; line-height: 1.3; font-size: clamp(20px, 2vw, 26px); }
.lead { font-size: clamp(17px, 1.5vw, 20px); font-weight: 300; line-height: 1.85; color: var(--ink-2); }
.muted { color: var(--ink-2); }
.en { font-weight: 300; color: var(--ink-3); letter-spacing: normal; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 10, 11, .86);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; max-width: none; }
.brand { display: flex; align-items: baseline; gap: 12px; line-height: 1; }
.brand b { font-weight: 900; font-size: 22px; letter-spacing: normal; }
.brand span { font-size: 11px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-2); font-weight: 500; }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 34px); }
.nav a {
  position: relative; font-size: 13.5px; font-weight: 500; letter-spacing: normal; color: var(--ink-2);
  transition: color .25s;
}
.nav a:hover, .nav a.active { color: var(--ink); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav .nav-hipd {
  color: var(--ink); font-weight: 700; letter-spacing: normal;
  padding-left: clamp(18px, 2.2vw, 34px); border-left: 1px solid var(--line-strong);
  display: inline-flex; align-items: center; gap: 8px;
}
.nav .nav-hipd i {
  width: 6px; height: 6px; border-radius: 0; background: var(--ink);
  box-shadow: 0 0 0 0 rgba(236,236,234,.6); animation: pulse 2.4s infinite;
}
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(236,236,234,.5); } 70% { box-shadow: 0 0 0 8px rgba(236,236,234,0); } 100% { box-shadow: 0 0 0 0 rgba(236,236,234,0); } }

.menu-btn { display: none; width: 40px; height: 40px; position: relative; }
.menu-btn span { position: absolute; left: 9px; right: 9px; height: 1.5px; background: var(--ink); transition: transform .35s var(--ease), top .35s var(--ease); }
.menu-btn span:nth-child(1) { top: 15px; }
.menu-btn span:nth-child(2) { top: 24px; }
body.menu-open .menu-btn span:nth-child(1) { top: 19.5px; transform: rotate(45deg); }
body.menu-open .menu-btn span:nth-child(2) { top: 19.5px; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 40; background: var(--bg);
  padding: calc(var(--header-h) + 24px) var(--gutter) 40px;
  display: flex; flex-direction: column; justify-content: space-between;
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu nav a {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 30px; font-weight: 700; letter-spacing: normal;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.mobile-menu nav a small { font-size: 12px; color: var(--ink-3); font-weight: 400; letter-spacing: normal; }
.mobile-menu .foot { font-size: 12px; color: var(--ink-3); letter-spacing: normal; }

/* ---------- Hero ---------- */
.hero { position: relative; height: 100vh; min-height: 640px; overflow: hidden; }
.hero-slides, .hero-slides figure { position: absolute; inset: 0; }
.hero-slides figure { opacity: 0; transition: opacity 1.8s ease; }
.hero-slides figure.on { opacity: 1; }
.hero-slides img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) contrast(1.08) brightness(.62);
  transform: scale(1.08);
}
.hero-slides figure.on img { animation: kenburns 9s ease-out forwards; }
@keyframes kenburns { to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10,10,11,.55) 0%, rgba(10,10,11,0) 28%, rgba(10,10,11,.1) 55%, rgba(10,10,11,.96) 100%),
    linear-gradient(90deg, rgba(10,10,11,.6) 0%, rgba(10,10,11,0) 60%);
}
.hero-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-bottom: clamp(40px, 7vh, 80px);
}
.hero-kicker { font-size: 13px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-2); margin-bottom: 28px; font-weight: 500; }
.hero h1 .thin { font-weight: 200; display: block; }
.hero-ko { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px 48px; align-items: flex-end; justify-content: space-between; }
.hero-ko p { font-size: clamp(18px, 1.8vw, 24px); font-weight: 300; line-height: 1.6; max-width: 620px; }
.hero-ko p strong { font-weight: 700; }
.hero-meta { display: flex; gap: clamp(24px, 4vw, 64px); border-top: 1px solid var(--line-strong); padding-top: 22px; margin-top: 44px; }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta b { font-size: clamp(28px, 3.2vw, 44px); font-weight: 800; letter-spacing: normal; line-height: 1; }
.hero-meta span { font-size: 12px; color: var(--ink-2); margin-top: 10px; letter-spacing: normal; }
.hero-count { font-size: 12px; letter-spacing: normal; color: var(--ink-2); display: flex; align-items: center; gap: 14px; }
.hero-count .bar { width: 80px; height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
.hero-count .bar i { position: absolute; inset: 0; background: var(--ink); transform-origin: left; transform: scaleX(0); }
.hero-count .bar i.run { animation: bar 6s linear forwards; }
@keyframes bar { to { transform: scaleX(1); } }

/* ---------- Sections ---------- */
section { position: relative; }
.section { padding: clamp(96px, 13vw, 180px) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px 80px; align-items: end; margin-bottom: clamp(56px, 7vw, 96px); }
.section-head .eyebrow { margin-bottom: 26px; }
.section-head .lead { max-width: 560px; }

/* Full-bleed image band */
.band { position: relative; overflow: hidden; }
.band img { width: 100%; height: clamp(320px, 62vh, 720px); object-fit: cover; filter: grayscale(1) brightness(.72) contrast(1.05); }
.band figcaption {
  position: absolute; left: var(--gutter); bottom: 28px; right: var(--gutter);
  display: flex; justify-content: space-between; gap: 20px; font-size: 12px; letter-spacing: normal; color: var(--ink-2); text-transform: uppercase;
}

/* Photos: grayscale → color on hover */
.ph { overflow: hidden; background: var(--bg-3); }
.ph img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); transition: filter .8s var(--ease), transform 1.2s var(--ease); }
.ph:hover img, a:hover .ph img { filter: grayscale(1) contrast(1.12) brightness(1.06); transform: scale(1.035); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 8vw, 140px); }
.about-statement { font-size: clamp(26px, 3vw, 42px); font-weight: 300; line-height: 1.45; letter-spacing: normal; }
.about-statement b { font-weight: 700; }
.about-body p + p { margin-top: 1.2em; }
.about-body p { color: var(--ink-2); font-weight: 300; font-size: 17px; line-height: 1.95; }
.about-body p b { color: var(--ink); font-weight: 500; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(80px, 10vw, 140px); border-top: 1px solid var(--line-strong); }
.pillar { padding: 34px 36px 8px 0; }
.pillar + .pillar { padding-left: 36px; border-left: 1px solid var(--line); }
.pillar .n { font-size: 12px; letter-spacing: normal; color: var(--ink-3); }
.pillar h3 { font-size: 24px; font-weight: 700; letter-spacing: normal; margin: 18px 0 4px; }
.pillar h3 small { display: block; font-size: 12px; font-weight: 500; letter-spacing: normal; color: var(--ink-3); text-transform: uppercase; margin-top: 6px; }
.pillar p { font-size: 15px; color: var(--ink-2); font-weight: 300; margin-top: 14px; line-height: 1.85; }

.about-photos { display: grid; grid-template-columns: 1.6fr 1fr; gap: 12px; margin-top: clamp(80px, 10vw, 140px); }
.about-photos .ph { aspect-ratio: 16 / 10; }
.about-photos .ph:last-child { aspect-ratio: auto; }

/* ---------- Professor ---------- */
.prof { background: var(--bg-2); }
.prof-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 7vw, 120px); align-items: start; }
.prof-portrait { position: static; }
.prof-portrait .ph { aspect-ratio: 4 / 5; }
.prof-portrait .ph img { object-position: 30% center; }
.prof-portrait figcaption { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); letter-spacing: normal; padding-top: 14px; border-top: 1px solid var(--line); margin-top: 14px; }
.prof-name { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 22px; margin: 26px 0 8px; }
.prof-name h2 { font-size: clamp(52px, 6vw, 96px); font-weight: 700; letter-spacing: normal; line-height: 1; }
.prof-name span { font-size: clamp(18px, 1.8vw, 24px); font-weight: 200; letter-spacing: normal; color: var(--ink-2); }
.prof-title { font-size: 17px; color: var(--ink-2); font-weight: 300; }
.prof-quote { margin: clamp(48px, 6vw, 72px) 0; padding-left: 28px; border-left: 2px solid var(--ink); }
.prof-quote p { font-size: clamp(19px, 1.8vw, 24px); font-weight: 300; line-height: 1.7; letter-spacing: normal; }
.prof-quote cite { display: block; margin-top: 16px; font-style: normal; font-size: 12px; letter-spacing: normal; color: var(--ink-3); text-transform: uppercase; }
.cv h4 { font-size: 12px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin: 48px 0 10px; }
.cv ul { list-style: none; }
.cv li { display: grid; grid-template-columns: 88px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15.5px; line-height: 1.6; }
.cv li time { color: var(--ink-3); font-weight: 500; font-variant-numeric: tabular-nums; }
.cv li span b { font-weight: 600; }

/* ---------- Research ---------- */
.axis { display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: center; border-top: 1px solid var(--line); }
.axis:last-of-type { border-bottom: 1px solid var(--line); }
.axis .ph { aspect-ratio: 1 / 1; }
.axis-text { padding: clamp(40px, 5vw, 80px) clamp(0px, 5vw, 80px) clamp(40px, 5vw, 80px) clamp(28px, 5vw, 80px); display: flex; flex-direction: column; justify-content: space-between; gap: 40px; }
.axis:nth-of-type(even) .ph { order: 2; }
.axis:nth-of-type(even) .axis-text { padding-left: 0; padding-right: clamp(28px, 5vw, 80px); }
.axis-num { font-size: clamp(64px, 8vw, 120px); font-weight: 100; line-height: .85; letter-spacing: normal; color: var(--ink-4); }
.axis h3 { font-size: clamp(28px, 3vw, 44px); font-weight: 700; letter-spacing: normal; line-height: 1.2; }
.axis h3 small { display: block; font-size: 13px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: 14px; }
.axis p { color: var(--ink-2); font-weight: 300; font-size: 16.5px; line-height: 1.9; margin-top: 18px; max-width: 520px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px 0; font-size: 14px; color: var(--ink-2); }
.tags span:not(:last-child)::after { content: "/"; margin: 0 12px; color: var(--ink-4); }
.share { display: flex; align-items: center; gap: 16px; font-size: 12px; letter-spacing: normal; color: var(--ink-3); }
.share .meter { flex: 1; max-width: 240px; height: 1px; background: var(--line); position: relative; }
.share .meter i { position: absolute; left: 0; top: -1px; height: 3px; background: var(--ink); }

.methods { margin-top: clamp(80px, 10vw, 140px); display: grid; grid-template-columns: 1fr 2fr; gap: 40px 80px; }
.methods ol { list-style: none; counter-reset: m; columns: 2; column-gap: 60px; }
.methods li { counter-increment: m; break-inside: avoid; display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.methods li::before { content: ""; flex: 0 0 auto; width: 7px; height: 7px; background: var(--ink); margin-top: 9px; }
.methods li b { display: block; font-weight: 600; font-size: 17px; }
.methods li span { font-size: 14px; color: var(--ink-2); font-weight: 300; }

/* ---------- Members ---------- */
.mosaic { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: clamp(90px, 9vw, 130px); gap: 10px; margin-bottom: clamp(80px, 10vw, 130px); }
.mosaic .ph:nth-child(1) { grid-column: span 7; grid-row: span 4; }
.mosaic .ph:nth-child(2) { grid-column: span 5; grid-row: span 2; }
.mosaic .ph:nth-child(3) { grid-column: span 5; grid-row: span 2; }
.mosaic .ph:nth-child(4) { grid-column: span 4; grid-row: span 3; }
.mosaic .ph:nth-child(5) { grid-column: span 4; grid-row: span 3; }
.mosaic .ph:nth-child(6) { grid-column: span 4; grid-row: span 3; }

.stats-row { border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line); padding: 22px 0; margin-bottom: clamp(64px, 8vw, 110px); }
.stats-row p { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 0; font-size: 17px; font-weight: 400; color: var(--ink); }
.stats-row i { font-style: normal; color: var(--ink-4); margin: 0 18px; }

.committee { display: grid; grid-template-columns: 1fr 2fr; gap: 40px 80px; margin-bottom: clamp(80px, 10vw, 130px); }
.committee dl { display: grid; grid-template-columns: 1fr 1fr; column-gap: 60px; }
.committee dl div { display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.committee dt { color: var(--ink-2); font-size: 14px; font-weight: 300; }
.committee dd { font-weight: 600; font-size: 16px; text-align: right; }

.tabs { display: flex; gap: 36px; border-bottom: 1px solid var(--line); margin-bottom: 40px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button {
  position: relative; padding: 0 0 16px; font-size: 15px; font-weight: 500; color: var(--ink-3); white-space: nowrap; transition: color .25s;
}
.tabs button sup { font-size: 11px; margin-left: 6px; color: var(--ink-3); font-weight: 400; }
.tabs button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--ink); transform: scaleX(0); transition: transform .35s var(--ease); transform-origin: left; }
.tabs button:hover { color: var(--ink-2); }
.tabs button.on { color: var(--ink); }
.tabs button.on::after { transform: scaleX(1); }
.tabs-note { margin-left: auto; align-self: center; flex: none; font-size: 12px; color: var(--ink-3); letter-spacing: normal; white-space: nowrap; }
@media (max-width: 640px) { .tabs-note { display: none; } }

.roster { display: grid; grid-template-columns: repeat(6, 1fr); column-gap: 28px; }
.roster li { list-style: none; padding: 20px 0 18px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; animation: fadeUp .5s var(--ease) both; }
.roster li b { font-size: 18px; font-weight: 600; letter-spacing: normal; }
.roster li span { font-size: 12px; color: var(--ink-3); letter-spacing: normal; }
.roster li em { font-style: normal; font-size: 11px; letter-spacing: normal; color: var(--ink-2); text-transform: uppercase; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.roster-note { margin-top: 24px; font-size: 13px; color: var(--ink-3); }

/* ---------- Projects ---------- */
.proj-feature { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 5vw, 80px); align-items: end; margin-bottom: clamp(80px, 9vw, 120px); }
.proj-feature .ph { aspect-ratio: 4 / 3; }
.proj-feature .meta { font-size: 12px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); }
.proj-feature h3 { font-size: clamp(30px, 3.4vw, 50px); font-weight: 700; letter-spacing: normal; line-height: 1.15; margin: 20px 0 22px; }
.proj-feature p { color: var(--ink-2); font-weight: 300; line-height: 1.9; }
.proj-feature .figures { display: flex; gap: 40px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.proj-feature .figures b { display: block; font-size: 40px; font-weight: 800; letter-spacing: normal; line-height: 1; }
.proj-feature .figures span { font-size: 12px; color: var(--ink-3); }

.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(48px, 5vw, 72px) clamp(20px, 2.4vw, 36px); }
.proj { display: flex; flex-direction: column; }
.proj .ph { aspect-ratio: 4 / 3; }
.proj.tall .ph { aspect-ratio: 3 / 4; }
.proj-grid .proj:nth-child(3n+2) { margin-top: clamp(40px, 6vw, 96px); }
.proj .info { display: grid; grid-template-columns: auto 1fr; gap: 4px 18px; padding-top: 18px; }
.proj .info time { font-size: 12px; color: var(--ink-3); padding-top: 5px; font-variant-numeric: tabular-nums; }
.proj .info h4 { font-size: 19px; font-weight: 600; letter-spacing: normal; line-height: 1.45; }
.proj .info p { grid-column: 2; font-size: 14px; color: var(--ink-2); font-weight: 300; line-height: 1.75; }

/* ---------- Publications ---------- */
.pub-top { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 80px; margin-bottom: clamp(56px, 7vw, 90px); }
.pub-nums { display: flex; gap: clamp(32px, 5vw, 72px); align-items: flex-end; }
.pub-nums b { display: block; font-size: clamp(72px, 9vw, 140px); font-weight: 100; letter-spacing: normal; line-height: .85; }
.pub-nums span { display: block; font-size: 13px; color: var(--ink-2); margin-top: 14px; letter-spacing: normal; }
.insight { list-style: none; }
.insight li { padding: 18px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.insight li:first-child { border-top: 1px solid var(--line-strong); }
.insight li i { font-style: normal; font-size: 12px; color: var(--ink-3); padding-top: 4px; }
.insight li b { font-weight: 600; }
.insight li p { font-size: 14px; color: var(--ink-2); font-weight: 300; margin-top: 2px; }

.pub-tools { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 24px 40px; margin-bottom: 8px; }
.pub-tools .tabs { margin-bottom: 0; border-bottom: 0; flex-wrap: wrap; gap: 14px 30px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 18px; }
.filter-row button { font-size: 13px; color: var(--ink-3); padding: 2px 0; border-bottom: 1px solid transparent; transition: color .25s, border-color .25s; }
.filter-row button:hover { color: var(--ink-2); }
.filter-row button.on { color: var(--ink); border-color: var(--ink); }
.search { position: relative; width: min(340px, 100%); }
.search input {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line-strong);
  color: var(--ink); font: inherit; font-size: 15px; padding: 10px 0 10px 28px; outline: none; transition: border-color .25s;
}
.search input:focus { border-color: var(--ink); }
.search input::placeholder { color: var(--ink-3); }
.search svg { position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; stroke: var(--ink-3); }

.pub-list { list-style: none; border-top: 1px solid var(--line-strong); margin-top: 28px; }
.pub-list li {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 20px; align-items: baseline;
  padding: 20px 0; border-bottom: 1px solid var(--line); transition: background .3s, padding .3s var(--ease);
}
.pub-list li:hover { background: linear-gradient(90deg, rgba(255,255,255,.035), transparent); padding-left: 12px; }
.pub-list .idx { font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.pub-list .t { font-size: 16.5px; font-weight: 400; line-height: 1.6; }
.pub-list .t mark { background: none; color: var(--ink); border-bottom: 1px solid var(--ink); }
.pub-list .k { font-size: 12px; color: var(--ink-2); text-align: right; letter-spacing: normal; white-space: nowrap; }
.pub-empty { padding: 40px 0; color: var(--ink-3); }
.more {
  display: inline-flex; align-items: center; gap: 14px; margin-top: 36px;
  font-size: 13px; letter-spacing: normal; text-transform: uppercase; font-weight: 600;
}
.more .arrow { width: 40px; height: 1px; background: var(--ink); position: relative; transition: width .35s var(--ease); }
.more .arrow::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); transform: rotate(45deg); }
.more.down .arrow::after { transform: rotate(45deg); }
.more:hover .arrow { width: 64px; }

/* ---------- News ---------- */
.news { background: var(--bg-2); }
.news-feature { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(20px, 2.4vw, 36px); margin-bottom: clamp(64px, 8vw, 110px); }
.news-feature a { display: flex; flex-direction: column; }
.news-feature .ph { aspect-ratio: 4 / 3; }
.news-feature a:first-child .ph { aspect-ratio: auto; flex: 1; min-height: 320px; }
.news-feature time { font-size: 12px; color: var(--ink-3); letter-spacing: normal; margin-top: 18px; }
.news-feature h4 { font-size: 19px; font-weight: 600; letter-spacing: normal; line-height: 1.5; margin-top: 8px; }
.news-feature a:first-child h4 { font-size: clamp(22px, 2vw, 28px); }
.news-feature .cat { font-size: 11px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-2); margin-left: 12px; }

.news-list { list-style: none; border-top: 1px solid var(--line-strong); }
.news-list li { display: grid; grid-template-columns: 120px 120px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.news-list time { font-size: 14px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.news-list .cat { font-size: 11px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); }
.news-list p { font-size: 16.5px; line-height: 1.6; }
.news-list p small { color: var(--ink-3); font-size: 14px; margin-left: 8px; }

/* ---------- HIPD teaser (index) ---------- */
.hipd-teaser { position: relative; overflow: hidden; background: #000; }
.hipd-teaser .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 100px); align-items: center; }
.hipd-teaser .visual { position: relative; aspect-ratio: 4 / 3; }
.hipd-teaser .visual img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.hipd-teaser h2 { font-size: clamp(64px, 9vw, 140px); font-weight: 900; letter-spacing: normal; line-height: .9; }
.hipd-teaser h2 small { display: block; font-size: 13px; letter-spacing: normal; font-weight: 500; color: var(--ink-2); margin-bottom: 26px; text-transform: uppercase; }
.hipd-teaser p { margin-top: 28px; color: var(--ink-2); font-weight: 300; line-height: 1.9; max-width: 520px; }
.hipd-steps { display: flex; flex-wrap: wrap; gap: 6px 0; margin-top: 32px; font-size: 14px; }
.hipd-steps span { color: var(--ink); }
.hipd-steps span:not(:last-child)::after { content: "→"; margin: 0 14px; color: var(--ink-3); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: clamp(72px, 9vw, 120px) 0 40px; }
.footer-big { font-size: clamp(48px, 10vw, 168px); font-weight: 900; letter-spacing: normal; line-height: .9; color: var(--ink); }
.footer-big span { color: var(--ink-4); font-weight: 200; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-top: clamp(56px, 7vw, 96px); padding-top: 32px; border-top: 1px solid var(--line); font-size: 14px; }
.footer-grid h5 { font-size: 11px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: 14px; }
.footer-grid p, .footer-grid a { color: var(--ink-2); font-weight: 300; display: block; line-height: 1.9; }
.footer-grid a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 64px; font-size: 12px; color: var(--ink-3); letter-spacing: normal; }

.footer-connect { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px clamp(48px, 7vw, 110px); margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }
.footer-newsletter { display: flex; align-items: flex-start; gap: 32px; }
.contact-form h5 { font-size: 11px; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: 10px; }
.contact-form .nl-title { font-size: 20px; font-weight: 600; margin-bottom: 18px; }
.cf-honey { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.cf-type { border: 0; margin: 0 0 6px; padding: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 0; font-size: 15px; }
.cf-type legend { float: left; width: 96px; padding: 0; font-size: 13px; color: var(--ink-3); }
.cf-type label { cursor: pointer; }
.cf-type input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.cf-type span { color: var(--ink-2); padding-bottom: 3px; border-bottom: 1px solid transparent; transition: color .25s, border-color .25s; }
.cf-type label:hover span { color: var(--orange); }
.cf-type input:checked + span { color: var(--ink); border-bottom-color: var(--ink); }
.cf-type input:focus-visible + span { outline: 1px solid var(--ink-3); outline-offset: 3px; }
.cf-type i { font-style: normal; color: var(--ink-4); margin: 0 14px; }
.cf-field, .cf-file { display: grid; grid-template-columns: 96px 1fr; align-items: baseline; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); transition: border-color .25s; }
.cf-field:focus-within { border-bottom-color: var(--ink-2); }
.cf-field > span, .cf-file > span { font-size: 13px; color: var(--ink-3); }
.cf-field input, .cf-field textarea { width: 100%; background: transparent; border: 0; outline: 0; color: var(--ink); font: inherit; font-size: 15px; font-weight: 300; padding: 0; resize: vertical; }
.cf-field textarea { min-height: 96px; line-height: 1.7; }
.cf-file { cursor: pointer; grid-template-columns: 96px auto 1fr; }
.cf-file input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.cf-file em { font-style: normal; font-size: 14px; color: var(--ink-2); transition: color .25s; }
.cf-file:hover em { color: var(--orange); }
.cf-file:focus-within em { outline: 1px solid var(--ink-3); outline-offset: 3px; }
.cf-foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px 24px; margin-top: 26px; }
.cf-foot .cta-link { font-size: 13px; background: none; color: var(--ink); cursor: pointer; }
.cf-msg { font-size: 13px; color: var(--ink-2); }
.footer-newsletter h5 { font-size: 11px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: 10px; }
.footer-newsletter .nl-title { font-size: 20px; font-weight: 600; letter-spacing: normal; margin-bottom: 18px; }
.footer-newsletter .cta-link { font-size: 13px; }
.nl-qr { flex: none; display: block; width: 120px; height: 120px; padding: 8px; background: #fff; }
.nl-qr img { width: 100%; height: 100%; display: block; }

/* ---------- Board: 강의 + 세미나 공지 ---------- */
.board { padding: clamp(72px, 9vw, 120px) 0; }
.board-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 40px clamp(48px, 7vw, 110px); }
.course-list { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 32px; border-top: 1px solid var(--line-strong); }
.course { display: flex; flex-direction: column; min-width: 0; padding: 28px 24px 24px 0; cursor: default; }
.course + .course, .course-col + .course, .course-col + .course-col { padding-left: 24px; border-left: 1px solid var(--line); }
.course-col { display: flex; flex-direction: column; min-width: 0; }
.course-col .course { flex: 1; }
.course-past { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; padding: 0 24px 22px 0; font-size: 12.5px; font-weight: 500; color: var(--ink-2); transition: color .25s; }
.course-past span { font-size: 11.5px; font-weight: 400; color: var(--ink-3); transition: color .25s; }
.course-past::before { content: ""; width: 6px; height: 6px; background: var(--ink-3); align-self: center; transition: background .25s; }
.course-past:hover, .course-past:hover span { color: var(--orange); }
.course-past:hover::before { background: var(--orange); }
.course svg { width: 44px; height: 44px; color: var(--ink); margin-bottom: 22px; }
.course b { font-size: 17px; font-weight: 600; letter-spacing: normal; line-height: 1.4; }
.course span { font-size: 11px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); margin-top: 6px; }
.course { position: relative; cursor: pointer; }
.course::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.course + .course::before { left: 0; }
.course svg, .course b, .course em { transition: color .25s; }
.course em { display: inline-flex; align-items: center; gap: 12px; font-style: normal; font-size: 12.5px; font-weight: 500; color: var(--ink-2); margin-top: 18px; letter-spacing: normal; }
.course em small { font-size: 11px; font-weight: 400; color: var(--ink-3); }
.course em .arrow { width: 28px; height: 1px; background: currentColor; position: relative; transition: width .35s var(--ease); }
.course em .arrow::after { content: ""; position: absolute; right: 0; top: -3px; width: 6px; height: 6px; border-right: 1px solid currentColor; border-top: 1px solid currentColor; transform: rotate(45deg); }
.course:hover::before, .course:focus-visible::before { transform: scaleX(1); }
.course:hover svg, .course:hover b, .course:hover em,
.course:focus-visible svg, .course:focus-visible b, .course:focus-visible em { color: var(--orange); }
.course:hover em .arrow, .course:focus-visible em .arrow { width: 48px; }
.notice-list { list-style: none; margin-top: 32px; border-top: 1px solid var(--line-strong); }
.notice-list li { display: grid; grid-template-columns: 92px 1fr auto; gap: 14px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line); }
.notice-list time b { font-size: 14px; font-weight: 500; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.notice-list .cat { font-size: 11px; letter-spacing: normal; color: var(--ink-3); margin-right: 12px; }
.notice-list div p { display: inline; font-size: 16.5px; }
.notice-list .place { font-size: 13px; color: var(--ink-2); letter-spacing: normal; }
.notice-list .place::before { content: "장소 "; color: var(--ink-3); }
/* 논문 연구 도구 시리즈 (Board 아래, 아이콘 없이 다섯 권) */
.tool-series { margin-top: clamp(64px, 8vw, 104px); }
.tool-list { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 32px; border-top: 1px solid var(--line-strong); }
.tool { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 26px 20px 22px; }
.tool:first-child { padding-left: 0; }
.tool + .tool { border-left: 1px solid var(--line); }
.tool::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.tool small { font-size: 12.5px; font-weight: 500; color: var(--ink-3); letter-spacing: normal; }
.tool b { font-size: 16px; font-weight: 600; line-height: 1.45; letter-spacing: normal; margin-top: 10px; word-break: keep-all; }
.tool span { font-size: 11px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); margin-top: 6px; }
.tool em { display: inline-flex; align-items: center; gap: 12px; font-style: normal; font-size: 12.5px; font-weight: 500; color: var(--ink-2); margin-top: auto; padding-top: 18px; letter-spacing: normal; }
.tool em .arrow { width: 28px; height: 1px; background: currentColor; position: relative; transition: width .35s var(--ease); }
.tool em .arrow::after { content: ""; position: absolute; right: 0; top: -3px; width: 6px; height: 6px; border-right: 1px solid currentColor; border-top: 1px solid currentColor; transform: rotate(45deg); }
.tool small, .tool b, .tool em { transition: color .25s; }
.tool:hover::before, .tool:focus-visible::before { transform: scaleX(1); }
.tool:hover small, .tool:hover b, .tool:hover em,
.tool:focus-visible small, .tool:focus-visible b, .tool:focus-visible em { color: var(--orange); }
.tool:hover em .arrow, .tool:focus-visible em .arrow { width: 48px; }
@media (max-width: 960px) {
  .board-grid { grid-template-columns: 1fr; }
  .tool-list { grid-template-columns: repeat(3, 1fr); }
  .tool:nth-child(4) { padding-left: 0; border-left: 0; }
  .tool:nth-child(n+4) { padding-top: 8px; }
  .footer-connect { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .notice-list li { grid-template-columns: 1fr auto; gap: 6px 16px; }
  .notice-list time { grid-column: 1 / -1; }
  .footer-newsletter { gap: 20px; }
  .cf-field, .cf-file { grid-template-columns: 1fr; gap: 6px; }
  .cf-type legend { float: none; width: 100%; margin-bottom: 8px; }
  .nl-qr { width: 96px; height: 96px; }
  .course-list { grid-template-columns: 1fr; }
  .course, .course + .course, .course-col + .course, .course-col + .course-col { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .course-col .course { border-bottom: 0; padding-bottom: 12px; }
  .course-col, .course-col + .course-col { border-bottom: 1px solid var(--line); padding: 0; }
  .course-past { padding: 0 0 22px; }
  .tool-list { grid-template-columns: 1fr; }
  .tool, .tool + .tool, .tool:nth-child(n+4) { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--line); }
}

/* ---------- Reveal ---------- */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .1s; } .rv.d2 { transition-delay: .2s; } .rv.d3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .hero-slides figure.on img { animation: none; transform: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   HIPD page
   ========================================================= */
.hipd-page { background: #000; }
.hipd-hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: flex-end; padding: calc(var(--header-h) + 40px) 0 clamp(40px, 7vh, 80px); position: relative; overflow: hidden; }
.hipd-hero .bg { position: absolute; inset: 0; }
.hipd-hero .bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; filter: grayscale(1); }
.hipd-hero .bg::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 70% 30%, rgba(0,0,0,0) 0%, rgba(0,0,0,.6) 55%, #000 100%), linear-gradient(180deg, rgba(0,0,0,.3), #000); }
.hipd-hero .wrap { position: relative; z-index: 2; }
.hipd-hero h1 { font-size: clamp(88px, 18vw, 280px); font-weight: 900; letter-spacing: normal; line-height: .82; }
.hipd-hero .full { font-size: clamp(16px, 1.6vw, 22px); font-weight: 200; letter-spacing: normal; text-transform: uppercase; margin-top: 26px; color: var(--ink-2); }
.hipd-hero .intro { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 80px; margin-top: clamp(48px, 7vh, 80px); padding-top: 28px; border-top: 1px solid var(--line-strong); }
.hipd-hero .intro p { color: var(--ink-2); font-weight: 300; line-height: 1.9; }
.hipd-hero .intro p b { color: var(--ink); font-weight: 500; }

.engines { display: flex; gap: 36px; flex-wrap: wrap; font-size: 13px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-2); }
.engines span::before { content: ""; display: inline-block; width: 6px; height: 6px; background: var(--ink-3); margin-right: 10px; vertical-align: middle; }

.hipd-quote { padding: clamp(100px, 14vw, 200px) 0; text-align: left; }
.hipd-quote blockquote { font-size: clamp(26px, 3.6vw, 52px); font-weight: 200; line-height: 1.5; letter-spacing: normal; max-width: 1100px; }
.hipd-quote blockquote b { font-weight: 700; }
.hipd-quote cite { display: block; margin-top: 36px; font-style: normal; font-size: 12px; letter-spacing: normal; color: var(--ink-3); text-transform: uppercase; }

.fn { display: grid; grid-template-columns: 48px 1fr 1.1fr; gap: 24px 60px; padding: clamp(40px, 5vw, 64px) 0; border-top: 1px solid var(--line); align-items: start; }
.fn:last-child { border-bottom: 1px solid var(--line); }
.fn .num { font-size: clamp(56px, 6vw, 88px); font-weight: 100; line-height: .8; letter-spacing: normal; color: var(--ink-3); transition: color .4s; }
.fn:hover .num { color: var(--ink); }
.fn h3 { font-size: clamp(24px, 2.4vw, 34px); font-weight: 700; letter-spacing: normal; line-height: 1.25; }
.fn h3 small { display: block; font-size: 12px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: 12px; }
.fn p { color: var(--ink-2); font-weight: 300; line-height: 1.9; }
.fn .stage { display: block; margin-top: 16px; font-size: 12px; letter-spacing: normal; color: var(--ink); }
.fn .stage::before { content: ""; display: inline-block; width: 18px; height: 1px; background: var(--ink); vertical-align: middle; margin-right: 10px; }
.fn .chips { display: flex; flex-wrap: wrap; gap: 4px 0; margin-top: 14px; font-size: 13px; color: var(--ink); }
.fn .chips span:not(:last-child)::after { content: "·"; margin: 0 10px; color: var(--ink-3); }

.system { display: grid; grid-template-columns: repeat(3, 1fr); position: relative; margin-top: 20px; }
.system::before { content: ""; position: absolute; left: 0; right: 0; top: 44px; height: 1px; background: var(--line-strong); }
.system div { position: relative; padding-right: 40px; }
.system .dot { display: block; width: 11px; height: 11px; border-radius: 0; background: #000; border: 1px solid var(--ink); position: relative; top: 39px; margin-bottom: 76px; }
.system div:last-child .dot { background: var(--ink); }
.system .k { font-size: 12px; letter-spacing: normal; color: var(--ink-3); text-transform: uppercase; }
.system h4 { font-size: clamp(26px, 2.6vw, 38px); font-weight: 800; letter-spacing: normal; margin: 10px 0 14px; }
.system p { font-size: 15px; color: var(--ink-2); font-weight: 300; line-height: 1.85; }

.ui-shot { margin-top: clamp(80px, 10vw, 140px); }
.ui-shot img { filter: grayscale(1); width: 100%; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ui-shot figcaption { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); letter-spacing: normal; margin-top: 14px; text-transform: uppercase; }

.roadmap { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-strong); }
.roadmap li { padding: 30px 30px 0 0; }
.roadmap li + li { padding-left: 30px; border-left: 1px solid var(--line); }
.roadmap .ph-no { font-size: 12px; letter-spacing: normal; color: var(--ink-3); }
.roadmap h4 { font-size: 24px; font-weight: 700; letter-spacing: normal; margin: 12px 0 4px; }
.roadmap time { font-size: 13px; color: var(--ink-2); }
.roadmap p { font-size: 14.5px; color: var(--ink-2); font-weight: 300; margin-top: 14px; line-height: 1.8; }
.roadmap li.now h4::after { content: "NOW"; font-size: 10px; letter-spacing: normal; font-weight: 600; margin-left: 10px; vertical-align: middle; color: #000; background: var(--ink); padding: 3px 6px; }

.credits { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); }
.credits div { padding: 28px 0; }
.credits div + div { padding-left: 30px; border-left: 1px solid var(--line); }
.credits span { font-size: 12px; letter-spacing: normal; color: var(--ink-3); text-transform: uppercase; }
.credits b { display: block; font-size: 22px; font-weight: 700; letter-spacing: normal; margin-top: 8px; }
.credits em { font-style: normal; font-size: 13px; color: var(--ink-2); font-weight: 300; }

.cta { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 32px; padding: clamp(80px, 10vw, 140px) 0; }
.cta h3 { font-size: clamp(34px, 4.4vw, 64px); font-weight: 800; letter-spacing: normal; line-height: 1.1; }
.cta p { color: var(--ink-2); font-weight: 300; margin-top: 16px; }
.cta-link { display: inline-flex; align-items: center; gap: 18px; font-size: 15px; font-weight: 600; letter-spacing: normal; padding-bottom: 10px; border-bottom: 1px solid var(--ink); }
.cta-link .arrow { width: 44px; height: 1px; background: var(--ink); position: relative; transition: width .35s var(--ease); }
.cta-link .arrow::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-right: 1px solid var(--ink); border-top: 1px solid var(--ink); transform: rotate(45deg); }
.cta-link:hover .arrow { width: 72px; }


/* ---------- Gallery teaser (index) ---------- */
.gallery-teaser { padding-bottom: clamp(80px, 10vw, 140px); overflow: hidden; }
.marquee { display: block; overflow: hidden; }
.marquee-track { display: flex; gap: 10px; width: max-content; animation: marquee 90s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img { height: clamp(180px, 22vw, 300px); width: auto; object-fit: cover; filter: grayscale(1); opacity: .82; transition: opacity .4s; }
.marquee-track img:hover { opacity: 1; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =========================================================
   Gallery page
   ========================================================= */
.g-head { padding: calc(var(--header-h) + clamp(56px, 8vw, 110px)) 0 clamp(40px, 5vw, 64px); }
.g-title { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 80px; align-items: end; margin-top: 26px; }
.g-stage { position: relative; height: min(78vh, 860px); min-height: 360px; background: #050505; overflow: hidden; }
.g-stage img { width: 100%; height: 100%; object-fit: contain; filter: grayscale(1); opacity: 0; transition: opacity .7s ease; }
.g-stage img.on { opacity: 1; }
.g-nav { position: absolute; top: 0; bottom: 0; width: 22%; display: flex; align-items: center; opacity: .5; transition: opacity .3s; }
.g-nav:hover { opacity: 1; }
.g-nav.prev { left: 0; justify-content: flex-start; padding-left: var(--gutter); cursor: w-resize; }
.g-nav.next { right: 0; justify-content: flex-end; padding-right: var(--gutter); cursor: e-resize; }
.g-nav span { width: 48px; height: 1px; background: var(--ink); position: relative; }
.g-nav span::after { content: ""; position: absolute; top: -5px; width: 11px; height: 11px; border-top: 1px solid var(--ink); }
.g-nav.next span::after { right: 0; border-right: 1px solid var(--ink); transform: rotate(45deg); }
.g-nav.prev span::after { left: 0; border-left: 1px solid var(--ink); transform: rotate(-45deg); }
.g-bar { display: flex; align-items: center; gap: 28px; padding-top: 22px; padding-bottom: 22px; }
.g-count { font-variant-numeric: tabular-nums; display: flex; gap: 10px; align-items: baseline; font-size: 14px; color: var(--ink-3); }
.g-count b { font-size: 28px; font-weight: 800; color: var(--ink); letter-spacing: normal; }
.g-progress { flex: 1; height: 1px; background: var(--line); position: relative; overflow: hidden; }
.g-progress i { position: absolute; inset: 0; background: var(--ink); transform: scaleX(0); transform-origin: left; }
.g-progress i.run { animation: bar linear forwards; }
.g-play { font-size: 12px; letter-spacing: normal; text-transform: uppercase; color: var(--ink-2); border-bottom: 1px solid var(--line-strong); padding-bottom: 4px; }
.g-play:hover { color: var(--ink); }
.g-strip { display: flex; gap: 6px; overflow-x: auto; padding: 0 var(--gutter) 8px; scroll-snap-type: x proximity; scrollbar-width: thin; scrollbar-color: var(--ink-4) transparent; }
.g-strip button { flex: 0 0 auto; height: 76px; scroll-snap-align: center; opacity: .35; transition: opacity .3s; position: relative; }
.g-strip button:hover { opacity: .75; }
.g-strip button.on { opacity: 1; }
.g-strip button.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--ink); }
.g-strip img { height: 100%; width: auto; filter: grayscale(1); }
.g-all { border-top: 0 !important; }
.g-masonry { columns: 4 260px; column-gap: 10px; }
.g-cell { display: block; width: 100%; margin-bottom: 10px; break-inside: avoid; overflow: hidden; }
.g-cell img { width: 100%; height: auto; filter: grayscale(1); transition: transform 1s var(--ease), opacity .4s; opacity: .9; }
.g-cell:hover img { transform: scale(1.04); opacity: 1; }
@media (max-width: 960px) { .g-title { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .g-stage { height: 62vh; }
  .g-nav span { width: 28px; }
  .g-strip button { height: 56px; }
}

/* ---------- Professor: education + CV sheet ---------- */
.edu-short { list-style: none; }
.cv .edu-short li { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--ink); }
.cv-open-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; margin-top: 44px; }
.cv-open-row p { font-size: 12px; letter-spacing: normal; color: var(--ink-3); }

body.cv-lock { overflow: hidden; }
.cv-sheet { position: fixed; inset: 0; z-index: 100; background: rgba(6, 6, 7, .98); overflow-y: auto; overscroll-behavior: contain; opacity: 0; transition: opacity .45s var(--ease); }
.cv-sheet.open { opacity: 1; }
.cv-sheet[hidden] { display: none; }
.cv-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter) 120px; transform: translateY(24px); transition: transform .6s var(--ease); }
.cv-sheet.open .cv-inner { transform: none; }
.cv-top { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: flex-end; padding: 36px 0 26px; background: linear-gradient(180deg, rgba(6,6,7,1) 75%, rgba(6,6,7,0)); border-bottom: 1px solid var(--line-strong); }
.cv-top h2 { font-size: clamp(36px, 5vw, 72px); font-weight: 700; letter-spacing: normal; line-height: 1; margin-top: 18px; }
.cv-top h2 span { font-size: .34em; font-weight: 200; letter-spacing: normal; color: var(--ink-2); margin-left: 14px; }
.cv-close { width: 48px; height: 48px; position: relative; flex: 0 0 auto; }
.cv-close span { position: absolute; left: 8px; right: 8px; top: 23px; height: 1.5px; background: var(--ink); transition: transform .35s var(--ease); }
.cv-close span:first-child { transform: rotate(45deg); }
.cv-close span:last-child { transform: rotate(-45deg); }
.cv-close:hover span:first-child { transform: rotate(135deg); }
.cv-close:hover span:last-child { transform: rotate(45deg); }
.cv-layout { display: grid; grid-template-columns: 220px 1fr; gap: 40px 80px; margin-top: 48px; }
.cv-index { position: sticky; top: 170px; align-self: start; display: flex; flex-direction: column; }
.cv-index a { display: flex; gap: 14px; padding: 10px 0; font-size: 14px; color: var(--ink-3); border-bottom: 1px solid var(--line); transition: color .25s, padding .3s var(--ease); }
.cv-index a span { font-size: 11px; padding-top: 3px; }
.cv-index a:hover, .cv-index a.on { color: var(--ink); padding-left: 6px; }
.cv-sec { padding-bottom: 72px; scroll-margin-top: 170px; }
.cv-sec h3 { display: flex; align-items: baseline; gap: 16px; font-size: clamp(24px, 2.4vw, 34px); font-weight: 700; letter-spacing: normal; padding-bottom: 18px; border-bottom: 1px solid var(--line-strong); }
.cv-sec h3 span { font-size: 12px; font-weight: 500; color: var(--ink-3); letter-spacing: normal; }
.cv-sec h3 small { margin-left: auto; font-size: 11px; font-weight: 500; letter-spacing: normal; text-transform: uppercase; color: var(--ink-3); }
.cv-list { list-style: none; columns: 2; column-gap: 56px; }
.cv-list li { break-inside: avoid; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.6; color: var(--ink); font-weight: 300; }
.cv-list.dated, .cv-list.edu { columns: 1; }
.cv-list.dated li { display: grid; grid-template-columns: 72px 1fr; gap: 20px; }
.cv-list.dated time { color: var(--ink-3); font-variant-numeric: tabular-nums; font-weight: 500; }
.cv-list.edu li b { display: block; font-weight: 600; font-size: 16px; }
.cv-list.edu li span { display: block; font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.cv-year { display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cv-year time { font-size: 20px; font-weight: 800; letter-spacing: normal; }
.cv-year ul { list-style: none; columns: 2; column-gap: 40px; }
.cv-year li { break-inside: avoid; font-size: 14px; color: var(--ink-2); font-weight: 300; padding: 4px 0 4px 14px; position: relative; }
.cv-year li::before { content: ""; position: absolute; left: 0; top: 12px; width: 5px; height: 5px; background: var(--ink-3); }
.cv-note { font-size: 12.5px; color: var(--ink-3); letter-spacing: normal; margin: 14px 0 4px; }
.cv-list.proj { columns: auto; display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; }
.cv-list.proj li { font-size: 14.5px; padding: 11px 0; color: var(--ink-2); }
@media (max-width: 960px) { .cv-list.proj { grid-template-columns: 1fr; } }
@media (max-width: 960px) {
  .cv-layout { grid-template-columns: 1fr; margin-top: 28px; }
  .cv-index { position: static; flex-direction: row; flex-wrap: wrap; gap: 4px 18px; }
  .cv-index a { border: 0; padding: 4px 0; }
  .cv-sec { scroll-margin-top: 150px; }
  .cv-list, .cv-year ul { columns: 1; }
}
@media (max-width: 640px) {
  .cv-top { padding-top: 22px; }
  .cv-top h2 span { display: block; margin: 10px 0 0; }
  .cv-sec h3 small { display: none; }
  .cv-year, .cv-list.dated li { grid-template-columns: 52px 1fr; gap: 12px; }
}


/* ---------- Square bullets (replacing ordinal numbers) ---------- */
.hero-dots { display: inline-flex; gap: 8px; }
.hero-dots i { width: 7px; height: 7px; background: var(--ink-4); transition: background .4s; }
.hero-dots i.on { background: var(--ink); }
.pillar .n { display: inline-flex; align-items: center; gap: 10px; }
.pillar .n::before { content: ""; width: 7px; height: 7px; background: var(--ink); }
.axis-mark { display: block; width: 18px; height: 18px; background: var(--ink); }
.insight li i { width: 7px; height: 7px; background: var(--ink); margin-top: 9px; padding: 0; }
.insight li { grid-template-columns: 7px 1fr; gap: 20px; }
.pub-list li { grid-template-columns: 7px 1fr auto; gap: 22px; }
.pub-list .idx { width: 6px; height: 6px; background: var(--ink-3); align-self: start; margin-top: 11px; transition: background .3s; }
.pub-list li:hover .idx { background: var(--ink); }
.cv-index a::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; background: var(--ink-4); margin-top: 8px; transition: background .25s; }
.cv-index a:hover::before, .cv-index a.on::before { background: var(--ink); }
.cv-sec h3::before { content: ""; flex: 0 0 auto; width: 10px; height: 10px; background: var(--ink); align-self: center; }
.fn-mark { display: block; width: 18px; height: 18px; border: 1px solid var(--ink-3); transition: background .4s, border-color .4s; margin-top: 8px; }
.fn:hover .fn-mark { background: var(--ink); border-color: var(--ink); }
.roadmap .ph-no { display: block; width: 9px; height: 9px; background: var(--ink-3); }
.roadmap li.now .ph-no { background: var(--ink); }
.system .k { display: inline-flex; align-items: center; gap: 8px; }
@media (max-width: 640px) {
  .pub-list li { grid-template-columns: 6px 1fr; }
}

.hipd-quote-sub { margin-top: clamp(72px, 9vw, 120px); padding-top: clamp(48px, 6vw, 72px); border-top: 1px solid var(--line); }

/* ---------- Professor: YouTube grid ---------- */
.prof-videos { margin-top: clamp(80px, 10vw, 140px); padding-top: clamp(40px, 5vw, 56px); border-top: 1px solid var(--line-strong); }
.pv-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 40px; margin-bottom: clamp(32px, 4vw, 48px); }
.pv-head h3 { font-size: clamp(22px, 2.2vw, 30px); font-weight: 700; letter-spacing: normal; line-height: 1.3; }
.pv-head h3 small { font-size: 12px; font-weight: 500; color: var(--ink-3); text-transform: uppercase; margin-left: 14px; }
.pv-grid { list-style: none; display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(28px, 3vw, 40px) clamp(10px, 1.2vw, 16px); }
.pv-grid a { display: flex; flex-direction: column; }
.pv-thumb { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--bg-3); }
.pv-thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08) brightness(.82); transform: scale(1.34); transition: filter .6s var(--ease), transform 1s var(--ease); } /* hqdefault 4:3 레터박스 제거 */
.pv-thumb::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px var(--line); pointer-events: none; }
.pv-thumb i { position: absolute; left: 10px; bottom: 10px; width: 30px; height: 30px; background: rgba(10,10,11,.72); border: 1px solid var(--line-strong); transition: background .3s, border-color .3s; }
.pv-thumb i::after { content: ""; position: absolute; left: 11px; top: 8px; border-style: solid; border-width: 6px 0 6px 9px; border-color: transparent transparent transparent var(--ink); }
.pv-grid b { display: block; margin-top: 12px; font-size: 13.5px; font-weight: 500; line-height: 1.5; letter-spacing: normal; transition: color .25s; }
.pv-grid a:hover .pv-thumb img, .pv-grid a:focus-visible .pv-thumb img { filter: grayscale(1) contrast(1.12) brightness(1); transform: scale(1.4); }
.pv-grid a:hover .pv-thumb i, .pv-grid a:focus-visible .pv-thumb i { background: var(--orange); border-color: var(--orange); }
.pv-grid a:hover b, .pv-grid a:focus-visible b { color: var(--orange); }
@media (max-width: 960px) { .pv-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) {
  .pv-grid { grid-template-columns: repeat(3, 1fr); gap: 24px 8px; }
  .pv-grid b { font-size: 12.5px; }
  .pv-thumb i { left: 6px; bottom: 6px; width: 24px; height: 24px; }
  .pv-thumb i::after { left: 8px; top: 6px; border-width: 5px 0 5px 7px; }
}


/* ---------- Language switch (Google translate) ---------- */
.nav .lang { display: inline-flex; align-items: center; gap: 12px; }
.lang button { font-size: 12.5px; font-weight: 500; color: var(--ink-3); padding: 2px 0; border-bottom: 1px solid transparent; transition: color .25s, border-color .25s; }
.lang button:hover { color: var(--ink); }
.lang button.on { color: var(--ink); border-bottom-color: var(--ink); }
.lang-mobile { display: flex; gap: 22px; margin-top: 28px; }
.lang-mobile button { font-size: 15px; }
.gt-host { position: absolute; left: -9999px; top: 0; width: 1px; height: 1px; overflow: hidden; }
/* hide Google's own bar, tooltip and highlights so the site design stays intact */
iframe.skiptranslate, .skiptranslate > iframe, .goog-te-banner-frame, #goog-gt-tt, .goog-te-balloon-frame,
.VIpgJd-ZVi9od-ORHb-OEVmcd, .VIpgJd-ZVi9od-aZ2wEe-wOHMyf, .VIpgJd-yAWNEb-L7lbkb { display: none !important; }
html, body { top: 0 !important; }
.goog-text-highlight, .VIpgJd-yAWNEb-VIpgJd-fmcmS-sn54Q { background: none !important; box-shadow: none !important; }
@media (max-width: 640px) { .nav .lang { display: none; } }


/* =========================================================
   Design Trend Research (design-trend.html + professor block)
   ========================================================= */
.tr-head { padding: calc(var(--header-h) + clamp(56px, 8vw, 110px)) 0 clamp(40px, 5vw, 64px); }
.tr-title { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px 80px; align-items: end; margin-top: 26px; }
.tr-title .h-display { font-size: clamp(44px, 6.4vw, 104px); }
.tr-stats { display: flex; gap: 0; margin-top: 30px; border-top: 1px solid var(--line-strong); }
.tr-stats div { padding: 18px 28px 0 0; }
.tr-stats div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.tr-stats dt { font-size: 11.5px; color: var(--ink-3); text-transform: uppercase; }
.tr-stats dd { font-size: clamp(24px, 2.4vw, 34px); font-weight: 700; margin-top: 4px; }

.tr-filter { position: sticky; top: var(--header-h); z-index: 20; background: rgba(10,10,11,.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tr-cats { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); }
.tr-cat { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 18px 14px 16px 0; text-align: left; color: var(--ink-3); position: relative; transition: color .25s; }
.tr-cat + .tr-cat { padding-left: 14px; border-left: 1px solid var(--line); }
.tr-cat svg, .tr-cat .tr-cat-all { width: 30px; height: 30px; }
.tr-cat .tr-cat-all { display: flex; align-items: center; font-size: 13px; font-weight: 700; }
.tr-cat b { font-size: 12.5px; font-weight: 600; line-height: 1.35; }
.tr-cat em { font-style: normal; font-size: 11.5px; color: var(--ink-4); }
.tr-cat::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.tr-cat:hover { color: var(--ink-2); }
.tr-cat.on { color: var(--ink); }
.tr-cat.on em { color: var(--ink-2); }
.tr-cat.on::after { transform: scaleX(1); }
.tr-tools { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 32px; padding: 14px 0; border-top: 1px solid var(--line); }
.tr-years { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.tr-years button { font-size: 13px; color: var(--ink-3); padding: 2px 0; border-bottom: 1px solid transparent; }
.tr-years button:hover { color: var(--ink-2); }
.tr-years button.on { color: var(--ink); border-bottom-color: var(--ink); }
.tr-search { width: min(320px, 100%); }
.tr-now { font-size: 13px; color: var(--ink-3); padding: 0 0 14px; }
.tr-now b { color: var(--ink); }

.tr-list { padding: clamp(40px, 5vw, 64px) 0 clamp(80px, 10vw, 140px); }
.tr-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(36px, 4vw, 56px) clamp(18px, 2vw, 28px); }
.tr-card { display: flex; flex-direction: column; text-align: left; color: var(--ink); min-width: 0; }
.tr-ph { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-3); }
.tr-ph img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); transition: transform 1s var(--ease), opacity .4s; opacity: .92; }
.tr-card:hover .tr-ph img { transform: scale(1.035); opacity: 1; }
.tr-ph-empty { display: flex; align-items: center; justify-content: center; color: var(--ink-4); border: 1px solid var(--line); background: transparent; }
.tr-ph-empty svg { width: 44px; height: 44px; }
.tr-meta { display: flex; align-items: center; gap: 7px; margin-top: 14px; font-size: 11.5px; color: var(--ink-3); }
.tr-meta time { margin-left: auto; font-variant-numeric: tabular-nums; }
.tr-mi { width: 16px; height: 16px; flex: 0 0 auto; }
.tr-card b { display: block; margin-top: 8px; font-size: 16px; font-weight: 600; line-height: 1.45; }
.tr-sum { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--ink-2); font-weight: 300; }
.tr-src { margin-top: 10px; font-size: 11.5px; color: var(--ink-4); overflow-wrap: anywhere; }
.tr-empty { grid-column: 1 / -1; padding: 40px 0; color: var(--ink-3); }
.tr-note { margin-top: 48px; font-size: 12.5px; color: var(--ink-4); }

.tr-sheet { position: fixed; inset: 0; z-index: 100; background: rgba(6,6,7,.86); overflow-y: auto; opacity: 0; transition: opacity .35s var(--ease); }
.tr-sheet.open { opacity: 1; }
.tr-sheet[hidden] { display: none; }
.tr-sheet-in { position: relative; max-width: 820px; margin: 0 0 0 auto; min-height: 100%; background: var(--bg); border-left: 1px solid var(--line); padding: 72px clamp(24px, 5vw, 64px) 96px; transform: translateX(40px); transition: transform .45s var(--ease); }
.tr-sheet.open .tr-sheet-in { transform: none; }
.tr-sheet .cv-close { position: absolute; top: 18px; right: 18px; }
.tr-s-cat { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); }
.tr-s-cat span { color: var(--ink-4); }
.tr-sheet h2 { margin-top: 18px; font-size: clamp(24px, 2.6vw, 34px); font-weight: 700; line-height: 1.3; }
.tr-s-date { margin-top: 12px; font-size: 13px; color: var(--ink-3); }
.tr-s-fig { margin-top: 28px; }
.tr-s-fig img { width: 100%; height: auto; filter: grayscale(1); border: 1px solid var(--line); }
.tr-s-sum { margin-top: 26px; font-size: 18px; line-height: 1.75; color: var(--ink); }
.tr-s-k { font-size: 11.5px; color: var(--ink-3); text-transform: uppercase; margin-bottom: 10px; }
.tr-s-text, .tr-s-link { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); }
.tr-s-text p:last-child { font-size: 15px; line-height: 1.9; color: #cfcfcd; font-weight: 300; overflow-wrap: anywhere; }
.tr-s-text a { color: var(--ink); border-bottom: 1px solid var(--line-strong); }
.tr-s-link p:last-child { font-size: 15px; color: var(--ink); line-height: 1.6; }
.tr-s-link span { display: block; margin-top: 4px; font-size: 13px; color: var(--ink-3); }

/* professor block: Design Trend Research under the portrait */
.prof-trend { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line-strong); }
.prof-trend .eyebrow { margin-bottom: 8px; }
.prof-trend p { font-size: 13px; color: var(--ink-3); line-height: 1.6; }
.prof-trend-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 18px; border-top: 1px solid var(--line); }
.prof-trend-grid a { display: flex; flex-direction: column; gap: 8px; padding: 14px 10px 14px 0; border-bottom: 1px solid var(--line); color: var(--ink-3); transition: color .25s; min-width: 0; }
.prof-trend-grid a:nth-child(2n) { padding-left: 14px; border-left: 1px solid var(--line); }
.prof-trend-grid svg { width: 26px; height: 26px; color: var(--ink-2); transition: color .25s; }
.prof-trend-grid b { font-size: 11.5px; font-weight: 500; line-height: 1.35; }
.prof-trend-grid em { font-style: normal; font-size: 11px; color: var(--ink-4); }
.prof-trend-grid a:hover, .prof-trend-grid a:hover svg { color: var(--ink); }
.prof-trend .cta-link { margin-top: 20px; font-size: 13px; }

@media (max-width: 1180px) {
  .tr-cats { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .tr-cat:nth-child(6) { padding-left: 0; border-left: 0; }
  .tr-cat:nth-child(n+6) { border-top: 1px solid var(--line); }
  .tr-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .tr-title { grid-template-columns: 1fr; }
  .tr-filter { position: static; }
  .tr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .tr-cats { display: flex; overflow-x: auto; scrollbar-width: none; }
  .tr-cats::-webkit-scrollbar { display: none; }
  .tr-cat, .tr-cat + .tr-cat { flex: 0 0 104px; padding: 14px 10px; border-top: 0 !important; }
  .tr-cat:nth-child(6) { padding-left: 10px; border-left: 1px solid var(--line); }
  .tr-grid { grid-template-columns: 1fr; }
  .tr-sheet-in { padding: 64px 20px 80px; }
}

/* ---------- Facebook 최근 소식 (YouTube 그리드와 같은 형식) ---------- */
.fb-latest { padding: clamp(64px, 8vw, 104px) 0 0; }
.fb-latest + .section { border-top: 0; }
.pv-fb .pv-thumb img { transform: none; filter: grayscale(1) contrast(1.05) brightness(.9); }
.pv-fb a:hover .pv-thumb img, .pv-fb a:focus-visible .pv-thumb img { transform: scale(1.04); filter: grayscale(1) contrast(1.1) brightness(1); }
.pv-fb .pv-thumb i::after { content: "f"; border: 0; left: 0; right: 0; top: 0; bottom: 0; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1; }
.pv-fb a:hover .pv-thumb i::after { color: #0a0a0b; }
.pv-date { display: block; margin-top: 4px; font-size: 11.5px; color: var(--ink-4); font-variant-numeric: tabular-nums; }

/* ---------- Professor: 에세이 글모음 (온라인 단행본 부별 바로가기) ---------- */
.prof-essays { margin-top: clamp(64px, 8vw, 104px); padding-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--line-strong); }
.pe-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 40px; margin-bottom: clamp(24px, 3vw, 36px); }
.pe-head h3 { font-size: clamp(22px, 2.2vw, 30px); font-weight: 700; line-height: 1.3; }
.pe-head h3 small { font-size: 13px; font-weight: 400; color: var(--ink-3); margin-left: 14px; }
.pe-cats { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.pe-cats a { display: flex; flex-direction: column; gap: 8px; padding: 18px 12px 18px 0; color: var(--ink-2); min-width: 0; transition: color .25s; }
.pe-cats a + a { padding-left: 12px; border-left: 1px solid var(--line); }
.pe-cats a::before { content: ""; width: 7px; height: 7px; background: var(--ink-3); transition: background .25s; }
.pe-cats b { font-size: 14px; font-weight: 600; line-height: 1.45; color: var(--ink); transition: color .25s; }
.pe-cats a > span { font-size: 13px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.pe-cats .unit { font-size: .75em; font-weight: 300; margin-left: 1px; }
.pe-cats a:hover, .pe-cats a:hover b, .pe-cats a:hover > span { color: var(--orange); }
.pe-cats a:hover::before { background: var(--orange); }
@media (max-width: 1180px) { .pe-cats { grid-template-columns: repeat(5, minmax(0, 1fr)); } .pe-cats a:nth-child(6) { padding-left: 0; border-left: 0; } .pe-cats a:nth-child(n+6) { border-top: 1px solid var(--line); } }
@media (max-width: 640px) {
  .pe-cats { grid-template-columns: 1fr 1fr; }
  .pe-cats a, .pe-cats a + a { padding: 14px 10px 14px 0; border-left: 0; border-top: 1px solid var(--line); }
  .pe-cats a:nth-child(even) { padding-left: 12px; border-left: 1px solid var(--line); }
  .pe-head h3 small { display: block; margin: 6px 0 0; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1180px) {
  .nav a:not(.nav-hipd) { display: none; }
  .nav .nav-hipd { border-left: 0; padding-left: 0; }
  .menu-btn { display: block; }
  .roster { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 960px) {
  .section-head, .about-grid, .prof-grid, .methods, .committee, .pub-top, .proj-feature, .hipd-teaser .wrap, .hipd-hero .intro { grid-template-columns: 1fr; }
  .prof-portrait { position: static; max-width: 460px; }
  .pillars, .system, .credits { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar, .credits div + div { padding-left: 0; border-left: 0; border-bottom: 1px solid var(--line); padding-bottom: 28px; }
  .system::before { display: none; }
  .system .dot { top: 0; margin-bottom: 20px; }
  .system div { padding: 0 0 44px; }
  .axis, .axis:nth-of-type(even) { grid-template-columns: 1fr; min-height: 0; }
  .axis .ph { aspect-ratio: 1 / 1; order: 0 !important; }
  .axis-text, .axis:nth-of-type(even) .axis-text { padding: 36px 0 56px; }
  .proj-grid { grid-template-columns: 1fr 1fr; }
  .proj-grid .proj:nth-child(3n+2) { margin-top: 0; }
  .proj-grid .proj:nth-child(even) { margin-top: 56px; }
  .news-feature { grid-template-columns: 1fr 1fr; }
  .news-feature a:first-child { grid-column: 1 / -1; }
  .news-feature a:first-child .ph { aspect-ratio: 16 / 9; min-height: 0; }
  .roadmap { grid-template-columns: 1fr 1fr; }
  .roadmap li:nth-child(3) { padding-left: 0; border-left: 0; }
  .roadmap li { padding-bottom: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .fn { grid-template-columns: 36px 1fr; }
  .fn p { grid-column: 2; }
  .roster { grid-template-columns: repeat(3, 1fr); }
  .methods ol { columns: 1; }
  .committee dl { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  :root { --header-h: 64px; }
  body { font-size: 15px; }
  .brand span { display: none; }
  .hero-meta { gap: 22px; }
  .hero-meta span { font-size: 11px; }
  .hero-count { display: none; }
  .mosaic { grid-template-columns: 1fr 1fr; grid-auto-rows: 120px; }
  .mosaic .ph:nth-child(n) { grid-column: span 1; grid-row: span 1; }
  .mosaic .ph:nth-child(1) { grid-column: span 2; grid-row: span 2; }
  .mosaic .ph:nth-child(6) { grid-column: span 2; }
  .about-photos { grid-template-columns: 1fr; }
  .about-photos .ph:last-child { aspect-ratio: 16 / 10; }
  .proj-grid, .news-feature { grid-template-columns: 1fr; }
  .proj-grid .proj:nth-child(even) { margin-top: 0; }
  .roster { grid-template-columns: repeat(2, 1fr); column-gap: 20px; }
  .pub-list li { grid-template-columns: 6px 1fr; gap: 16px; }
  .pub-list .k { grid-column: 2; text-align: left; margin-top: -10px; }
  .news-list li { grid-template-columns: 1fr; gap: 4px; }
  .news-list .cat { order: -1; }
  .cv li { grid-template-columns: 60px 1fr; gap: 14px; }
  .roadmap { grid-template-columns: 1fr; }
  .roadmap li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr; }
  .fn { grid-template-columns: 1fr; gap: 16px; }
  .fn p { grid-column: auto; }
  .band figcaption { flex-direction: column; gap: 4px; }
}

.cv-close:focus { outline: none; }
.cv-close:focus-visible { outline: 1px solid var(--ink-3); outline-offset: 2px; }

/* ---------- Accent hover (오렌지 강조) ---------- */
.nav a:hover { color: var(--orange); }
.nav a:hover::after { background: var(--orange); }
.nav .nav-hipd:hover { color: var(--orange); }
.nav .nav-hipd:hover i { background: var(--orange); }
.mobile-menu nav a { transition: color .25s; }
.mobile-menu nav a:hover { color: var(--orange); }
.cta-link, .cta-link .arrow { transition: color .25s, border-color .25s, background-color .25s, width .35s var(--ease); }
.cta-link:hover { color: var(--orange); border-bottom-color: var(--orange); }
.cta-link:hover .arrow { background: var(--orange); }
.cta-link:hover .arrow::after { border-color: var(--orange); }
.more { transition: color .25s; }
.more:hover { color: var(--orange); }
.more:hover .arrow { background: var(--orange); }
.more:hover .arrow::after { border-color: var(--orange); }
.tabs button:hover, .filter-row button:hover { color: var(--orange); }
.pub-list li:hover .t { color: var(--orange); }
.pub-list .t { transition: color .25s; }
.news-feature h4 { transition: color .25s; }
.news-feature a:hover h4 { color: var(--orange); }
.notice-list li { transition: padding-left .3s var(--ease); }
.notice-list li p { transition: color .25s; }
.notice-list li:hover { padding-left: 10px; }
.notice-list li:hover p { color: var(--orange); }
.footer-grid a { transition: color .25s; }
.footer-grid a:hover { color: var(--orange); }
.nl-qr { transition: box-shadow .25s; }
.nl-qr:hover { box-shadow: 0 0 0 2px var(--orange); }
.cv-index a:hover { color: var(--orange); }
/* accent hover — everything else that links or acts like a menu */
.brand b, .brand span { transition: color .25s; }
.brand:hover b, .brand:hover span { color: var(--orange); }
.lang button:hover, .lang button.on:hover { color: var(--orange); border-bottom-color: var(--orange); }
.footer-bottom a { transition: color .25s; }
.footer-bottom a:hover { color: var(--orange); }
.pillar p a { transition: color .25s, border-color .25s; }
.pillar p a:hover { color: var(--orange); border-bottom-color: var(--orange) !important; }
.cv-index a:hover::before { background: var(--orange); }
.cv-close span { transition: transform .35s var(--ease), background-color .25s; }
.cv-close:hover span { background: var(--orange); }
.hipd-teaser .visual img { transition: opacity .3s; }
.hipd-teaser .visual:hover { outline: 1px solid var(--orange); outline-offset: 6px; }
/* gallery */
.g-nav:hover span, .g-nav:hover span::after { background-color: var(--orange); border-color: var(--orange); }
.g-nav span::after { background: transparent !important; }
.g-play:hover { color: var(--orange); border-bottom-color: var(--orange); }
.g-strip button:hover { opacity: 1; }
.g-strip button:hover::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--orange); }
.g-cell:hover { outline: 1px solid var(--orange); outline-offset: 3px; }
.marquee:hover .marquee-track img:hover { outline: 1px solid var(--orange); outline-offset: -1px; }
/* Design Trend Research */
.prof-trend-grid a:hover, .prof-trend-grid a:hover svg, .prof-trend-grid a:hover em { color: var(--orange); }
.tr-cat:hover, .tr-cat:hover em, .tr-cat.on:hover { color: var(--orange); }
.tr-cat:hover::after { background: var(--orange); transform: scaleX(1); }
.tr-years button:hover { color: var(--orange); border-bottom-color: var(--orange); }
.tr-card b, .tr-meta { transition: color .25s; }
.tr-card:hover b, .tr-card:hover .tr-meta { color: var(--orange); }
.tr-card:hover .tr-ph-empty { color: var(--orange); border-color: var(--orange); }
.tr-s-text a:hover { color: var(--orange); border-bottom-color: var(--orange); }
@media (max-width: 640px) { .stats-row p { font-size: 15px; } .stats-row i { margin: 0 12px; } }

/* ---------- 공공디자인 실험실: 헤더 브랜드 + 팝업 ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.lab-mark { position: absolute; z-index: 45; top: calc(var(--header-h) + 14px); right: var(--gutter); display: block; }
.lab-mark i { display: block; width: 141px; height: 137px; background: #fff; -webkit-mask: url(../img/lab-brand.svg) center / contain no-repeat; mask: url(../img/lab-brand.svg) center / contain no-repeat; transition: background-color .25s, transform .35s var(--ease); transform-origin: right top; }
.lab-mark:hover i, .lab-mark:focus-visible i { background: var(--orange); transform: scale(1.06); }
.lab-mark:focus-visible { outline: 1px solid var(--ink-3); outline-offset: 6px; }
@media (max-width: 960px) { .lab-mark i { width: 112px; height: 109px; } }
@media (max-width: 640px) { .lab-mark { top: calc(var(--header-h) + 10px); } .lab-mark i { width: 90px; height: 87px; } }
body.lab-lock { overflow: hidden; }
.lab-sheet { position: fixed; inset: 0; z-index: 110; display: flex; flex-direction: column; background: rgba(6, 6, 7, .96); opacity: 0; transition: opacity .35s var(--ease); }
.lab-sheet.open { opacity: 1; }
.lab-sheet[hidden] { display: none; }
.lab-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 10px var(--gutter); border-bottom: 1px solid var(--line); background: #060607; }
.lab-title { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 500; color: var(--ink); }
.lab-title i { width: 24px; height: 23px; background: #fff; -webkit-mask: url(../img/lab-brand.svg) center / contain no-repeat; mask: url(../img/lab-brand.svg) center / contain no-repeat; }
.lab-tools { display: inline-flex; align-items: center; gap: 20px; }
.lab-tools a { font-size: 13px; color: var(--ink-2); transition: color .25s; }
.lab-tools a:hover { color: var(--orange); }
.lab-close { width: 40px; height: 40px; position: relative; }
.lab-close span { position: absolute; left: 8px; right: 8px; top: 19px; height: 1.5px; background: var(--ink); transition: transform .35s var(--ease), background-color .25s; }
.lab-close span:first-child { transform: rotate(45deg); }
.lab-close span:last-child { transform: rotate(-45deg); }
.lab-close:hover span { background: var(--orange); }
.lab-sheet iframe { flex: 1; width: 100%; border: 0; background: #000; }
@media (max-width: 640px) { .lab-title { font-size: 12.5px; } .lab-tools a { display: none; } }

/* Design Trend 마지막 칸: 공공디자인 실험실 */
.prof-trend-grid a.trend-lab { justify-content: center; align-items: center; padding-top: 10px; padding-bottom: 10px; }
.trend-lab i { display: block; width: 100%; height: 80px; background: var(--ink-2); -webkit-mask: url(../img/lab-brand.svg) center / contain no-repeat; mask: url(../img/lab-brand.svg) center / contain no-repeat; transition: background-color .25s, transform .35s var(--ease); }
.prof-trend-grid a.trend-lab:hover i, .prof-trend-grid a.trend-lab:focus-visible i { background: var(--orange); transform: scale(1.06); }