/* Yong Suk Yoo — site styles. CalArts-inspired: white field, deep ultramarine ink,
   electric cyan / signal green / hot pink blocks, pixel-glitch edges, diagonal tape bands. */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.6rem, 0.5rem + 6.5vw, 7.5rem);

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem; --space-5: 1.25rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;
  --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --ink: #0b0b7a;            /* deep ultramarine — primary text */
  --ink-deep: #06065c;       /* footer field */
  --ink-muted: #45458f;
  --link: #1d3ee0;
  --cyan: #19f0ff;
  --cyan-pale: #d9fdff;
  --green: #39ff3a;
  --pink: #ff86e1;
  --pink-pale: #ffe3f7;
  --paper: #ffffff;
  --rule: #c9c9e6;

  --color-bg: var(--paper);
  --color-text: var(--ink);
  --color-primary: var(--link);

  --font-display: 'Unbounded', 'Pretendard Variable', Pretendard, system-ui, sans-serif;
  --font-body: 'Space Grotesk', 'Pretendard Variable', Pretendard, system-ui, sans-serif;
  --font-serif: 'Instrument Serif', 'Noto Serif KR', Georgia, serif;

  --radius-sm: 0;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --wrap: 1240px;
  --gutter: clamp(var(--space-4), 4vw, var(--space-12));
}

html[data-lang='ko'] body { word-break: keep-all; line-break: strict; }
html[data-lang='ko'] .serif { font-family: 'Noto Serif KR', var(--font-serif); }

/* language switching */
html[data-lang='en'] [data-l='ko'] { display: none !important; }
html[data-lang='ko'] [data-l='en'] { display: none !important; }

body { font-family: var(--font-body); color: var(--ink); background: var(--paper); line-height: 1.6; }
a { color: var(--link); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); text-decoration-thickness: 2px; }
em { font-style: italic; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -999px; top: 0; background: var(--green); color: var(--ink); padding: var(--space-2) var(--space-4); z-index: 100; }
.skip:focus { left: var(--space-4); }

/* ---------- Header */
.site-header { background: var(--paper); position: relative; z-index: 20; }
.hdr-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-top: var(--space-6); }
.logo { display: inline-flex; flex-direction: column; text-decoration: none; color: var(--ink); line-height: 1; }
.logo .lw { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem); letter-spacing: .01em; color: var(--ink); }
.logo .lw b { color: var(--link); font-weight: 600; }
.logo .lk { font-size: var(--text-xs); letter-spacing: .12em; margin-top: var(--space-2); color: var(--ink-muted); }
.logo:hover .lw b { color: var(--ink); }
.hdr-util { display: flex; align-items: center; gap: var(--space-4); font-size: var(--text-sm); }
.hdr-util a { color: var(--ink-muted); text-decoration: none; }
.hdr-util a:hover, .hdr-util a[aria-current] { color: var(--ink); text-decoration: underline; }
.lang { display: inline-flex; border: 1.5px solid var(--ink); }
.lang button { font-size: var(--text-xs); font-weight: 700; letter-spacing: .06em; padding: var(--space-1) var(--space-3); color: var(--ink); }
.lang button[aria-pressed='true'] { background: var(--ink); color: var(--paper); }
.hdr-nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-5) var(--space-4); border-bottom: 1.5px solid var(--rule); }
.primary { display: flex; gap: clamp(var(--space-5), 3vw, var(--space-12)); list-style: none; }
.primary a { font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .04em; color: var(--link); text-decoration: none; padding-block: var(--space-2); border-bottom: 3px solid transparent; }
html[data-lang='ko'] .primary a { font-family: 'Pretendard Variable', var(--font-body); font-weight: 800; letter-spacing: 0; }
.primary a:hover { color: var(--ink); border-bottom-color: var(--green); }
.primary a[aria-current='page'] { color: var(--ink); border-bottom-color: var(--ink); }
.menu-btn { display: none; font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); color: var(--ink); border: 1.5px solid var(--ink); padding: var(--space-2) var(--space-3); }
.crumbs { font-size: var(--text-xs); color: var(--ink-muted); padding-block: var(--space-3); display: flex; flex-wrap: wrap; gap: var(--space-2); }
.crumbs a { color: var(--ink); }
.crumbs span[aria-hidden] { color: var(--rule); }

@media (max-width: 860px) {
  .menu-btn { display: inline-block; }
  .hdr-nav { flex-wrap: wrap; padding-block: var(--space-3); }
  .primary { display: none; flex-direction: column; gap: 0; width: 100%; }
  .primary.open { display: flex; }
  .primary a { display: block; padding-block: var(--space-3); border-bottom: 1px solid var(--rule); font-size: var(--text-base); }
  .hdr-util .u-hide-sm { display: none; }
}

/* ---------- Decorative bands */
.tape { height: 22px; background: repeating-linear-gradient(-55deg, var(--ink) 0 12px, var(--cyan-pale) 12px 30px, var(--cyan) 30px 34px, var(--cyan-pale) 34px 46px); }
.tape.pink { background: repeating-linear-gradient(-55deg, var(--ink) 0 12px, var(--pink-pale) 12px 30px, var(--pink) 30px 34px, var(--pink-pale) 34px 46px); }
.glitch { height: 28px; background-repeat: repeat-x; background-size: auto 100%; }
.glitch.g-green { background-image: url(../svg/glitch-green.svg); }
.glitch.g-green-up { background-image: url(../svg/glitch-green-up.svg); }
.glitch.g-cyan { background-image: url(../svg/glitch-cyan.svg); }
.glitch.g-cyan-up { background-image: url(../svg/glitch-cyan-up.svg); }
.glitch.g-pink { background-image: url(../svg/glitch-pink.svg); }
.glitch.g-pink-up { background-image: url(../svg/glitch-pink-up.svg); }
.dotfield { background-image: url(../svg/dotfield.svg); background-size: 1600px auto; background-position: center top; }
.shards { background-image: url(../svg/shards.svg); background-size: 1600px auto; background-position: center top; background-repeat: repeat-y; }

/* ---------- Type helpers */
.display { font-family: var(--font-display); font-weight: 700; line-height: 1.02; letter-spacing: -.01em; }
html[data-lang='ko'] .display { font-family: 'Pretendard Variable', var(--font-display); font-weight: 800; letter-spacing: -.02em; }
.serif { font-family: var(--font-serif); font-weight: 400; }
.eyebrow { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .1em; color: var(--ink); }
html[data-lang='ko'] .eyebrow { font-family: 'Pretendard Variable', var(--font-body); letter-spacing: .02em; font-weight: 800; }
.kicker { display: inline-block; background: var(--green); color: var(--ink); font-family: var(--font-display); font-weight: 600; font-size: var(--text-xs); padding: var(--space-1) var(--space-2); text-transform: uppercase; letter-spacing: .06em; }
.kicker.cyan { background: var(--cyan); }
.kicker.pink { background: var(--pink); }
.lead { font-family: var(--font-serif); font-size: var(--text-xl); line-height: 1.25; color: var(--ink); max-width: 30ch; }
html[data-lang='ko'] .lead { font-family: 'Noto Serif KR', var(--font-serif); font-size: var(--text-lg); line-height: 1.6; max-width: 36ch; }
.prose p { margin-block-end: var(--space-5); max-width: 68ch; }
.prose p:last-child { margin-block-end: 0; }
.prose q { font-family: var(--font-serif); font-size: var(--text-xl); line-height: 1.25; display: block; quotes: '“' '”'; }
html[data-lang='ko'] .prose q { font-family: 'Noto Serif KR', serif; font-size: var(--text-lg); }
.muted { color: var(--ink-muted); }
.section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); position: relative; }
.section-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-2xl); line-height: 1.05; margin-block-end: var(--space-8); }
html[data-lang='ko'] .section-title { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; letter-spacing: -.02em; }
.page-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-3xl); line-height: 1; letter-spacing: -.015em; }
html[data-lang='ko'] .page-title { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; letter-spacing: -.03em; }

/* ---------- Buttons (zig-zag edged like a ticket stub) */
.btn { --zz: 6px; display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); color: var(--paper); background: var(--link); padding: var(--space-3) var(--space-6); text-decoration: none; border: 0;
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--zz)) 25%, 100% 50%, calc(100% - var(--zz)) 75%, 100% 100%, 0 100%, var(--zz) 75%, 0 50%, var(--zz) 25%); }
html[data-lang='ko'] .btn { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; }
.btn:hover { background: var(--ink); color: var(--green); }
.btn.green { background: var(--green); color: var(--ink); }
.btn.green:hover { background: var(--ink); color: var(--green); }
.arrow-link { font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); color: var(--ink); text-decoration: none; display: inline-flex; gap: var(--space-2); align-items: center; }
html[data-lang='ko'] .arrow-link { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; }
.arrow-link::after { content: '→'; transition: transform var(--transition-interactive); }
.arrow-link:hover { color: var(--link); }
.arrow-link:hover::after { transform: translateX(4px); }

/* ---------- Home hero */
.hero { position: relative; }
.hero-media { position: relative; width: 100%; aspect-ratio: 16 / 7.2; min-height: 360px; overflow: hidden; background: var(--ink); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-card { position: relative; margin-top: calc(-1 * clamp(var(--space-16), 10vw, var(--space-32))); z-index: 2; }
.hero-card .card { background: var(--green); color: var(--ink); padding: clamp(var(--space-6), 4vw, var(--space-12)); max-width: 880px; position: relative; }
.hero-card .card::after { content: ''; position: absolute; left: 0; right: 0; bottom: -28px; height: 28px; background: url(../svg/glitch-green.svg) repeat-x; background-size: auto 100%; }
.hero-name { font-family: var(--font-display); font-weight: 800; font-size: var(--text-hero); line-height: .92; letter-spacing: -.02em; }
.hero-name small { display: block; font-family: 'Pretendard Variable', sans-serif; font-weight: 700; font-size: var(--text-lg); letter-spacing: .02em; margin-top: var(--space-4); }
.hero-roles { font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); margin-top: var(--space-5); text-transform: uppercase; letter-spacing: .06em; }
html[data-lang='ko'] .hero-roles { font-family: 'Pretendard Variable', sans-serif; font-weight: 700; letter-spacing: 0; }
.hero-tag { font-family: var(--font-serif); font-size: var(--text-xl); margin-top: var(--space-3); line-height: 1.2; }
html[data-lang='ko'] .hero-tag { font-family: 'Noto Serif KR', serif; font-size: var(--text-lg); }
.hero-credit { position: absolute; right: var(--space-4); bottom: var(--space-3); font-size: var(--text-xs); color: #fff; background: rgba(6,6,92,.7); padding: var(--space-1) var(--space-2); z-index: 1; text-decoration: none; }
.hero-credit:hover { color: var(--green); }

/* ---------- Two-column intro with side panel */
.split { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr); gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.panel { background: var(--ink); color: var(--paper); padding: var(--space-8); }
.panel h2, .panel h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); margin-bottom: var(--space-4); }
html[data-lang='ko'] .panel h2, html[data-lang='ko'] .panel h3 { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; }
.panel ul { list-style: none; display: grid; gap: var(--space-2); }
.panel a { color: var(--cyan); font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); text-decoration: none; }
html[data-lang='ko'] .panel a { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; }
.panel a::after { content: ' →'; }
.panel a:hover { color: var(--green); }
.panel p { color: #e6e6ff; font-size: var(--text-sm); }

/* ---------- News strip */
.band-cyan { background: var(--cyan); }
.band-cyan-pale { background: var(--cyan-pale); }
.news { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: var(--space-4); list-style: none; }
@media (max-width: 1000px) { .news { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 560px) { .news { grid-template-columns: 1fr; } }
.news li { background: var(--paper); padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); }
.news .d { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 600; }
.news p { font-size: var(--text-sm); line-height: 1.5; }
.news a { margin-top: auto; }

/* ---------- Work cards */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: clamp(var(--space-5), 2.5vw, var(--space-8)); list-style: none; }
@media (max-width: 1000px) { .cards { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }
.card-w { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); background: var(--paper); height: 100%; }
.card-w .thumb { aspect-ratio: 4 / 3; overflow: hidden; background: var(--ink); position: relative; }
.card-w .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms cubic-bezier(0.16,1,0.3,1), filter 400ms; }
.card-w:hover .thumb img { transform: scale(1.04); }
.card-w .thumb .ph { position: absolute; inset: 0; display: grid; place-items: center; background: var(--ink) url(../svg/dotfield.svg) center/900px auto; }
.card-w .thumb .ph span { font-family: var(--font-display); font-weight: 700; color: var(--cyan); font-size: var(--text-xl); text-align: center; padding: var(--space-4); line-height: 1.05; }
.card-w .thumb .kicker { position: absolute; left: 0; top: 0; z-index: 1; }
.card-w .meta { padding: var(--space-4) 0 var(--space-2); display: flex; flex-direction: column; gap: var(--space-1); }
.card-w .yr { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 600; color: var(--ink-muted); }
.card-w .t-en { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); line-height: 1.15; }
.card-w .t-ko { font-family: 'Pretendard Variable', sans-serif; font-weight: 600; font-size: var(--text-sm); color: var(--ink-muted); }
.card-w .role { font-size: var(--text-xs); color: var(--ink-muted); }
.card-w:hover .t-en { color: var(--link); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }

.filters { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-block-end: var(--space-8); }
.filters button { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .06em; border: 1.5px solid var(--ink); padding: var(--space-2) var(--space-4); color: var(--ink); background: var(--paper); }
html[data-lang='ko'] .filters button { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; letter-spacing: 0; }
.filters button[aria-pressed='true'] { background: var(--ink); color: var(--green); }
.filters button:hover { background: var(--cyan); }
.filters .count { opacity: .7; margin-left: var(--space-1); }

/* ---------- Project page */
.p-hero { position: relative; background: var(--ink); }
.p-hero img { width: 100%; max-height: 78vh; object-fit: cover; }
.p-head { margin-top: calc(-1 * var(--space-16)); position: relative; z-index: 2; }
.p-head .card { background: var(--green); padding: clamp(var(--space-6), 3vw, var(--space-10)); max-width: 900px; position: relative; }
.p-head .card::after { content: ''; position: absolute; left: 0; right: 0; bottom: -28px; height: 28px; background: url(../svg/glitch-green.svg) repeat-x; background-size: auto 100%; }
.p-head.nohero { margin-top: var(--space-8); }
.p-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-2xl); line-height: 1.02; letter-spacing: -.01em; }
.p-title .ko { display: block; font-family: 'Pretendard Variable', sans-serif; font-weight: 700; font-size: var(--text-lg); letter-spacing: 0; margin-bottom: var(--space-2); }
.p-sub { margin-top: var(--space-3); font-size: var(--text-sm); }
.p-body { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(240px, 1fr); gap: clamp(var(--space-8), 5vw, var(--space-16)); }
@media (max-width: 860px) { .p-body { grid-template-columns: 1fr; } }
.facts { background: var(--cyan-pale); padding: var(--space-6); align-self: start; }
.facts dl { display: grid; gap: var(--space-4); }
.facts dt { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .08em; }
html[data-lang='ko'] .facts dt { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; letter-spacing: 0; }
.facts dd { font-size: var(--text-sm); margin-top: var(--space-1); overflow-wrap: anywhere; }
.lines p { margin-block-end: var(--space-4); max-width: 68ch; }
.credits { columns: 2 260px; column-gap: var(--space-8); font-size: var(--text-sm); }
.credits h3 { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 700; margin: var(--space-6) 0 var(--space-2); break-after: avoid; }
.credits h3:first-child { margin-top: 0; }
.credits p { break-inside: avoid; margin: 0 0 var(--space-1); }
.credits .note { font-size: var(--text-xs); color: var(--ink-muted); margin-top: var(--space-4); column-span: all; }
.videos { display: grid; gap: var(--space-8); }
.video { position: relative; aspect-ratio: 16 / 9; background: var(--ink); }
.video iframe, .video .yt { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video .yt { display: block; padding: 0; cursor: pointer; }
.video .yt img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: opacity var(--transition-interactive); }
.video .yt:hover img { opacity: 1; }
.video .yt .play { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 84px; height: 84px; background: var(--green); clip-path: polygon(0 0, 100% 50%, 0 100%); }
.video .yt:hover .play { background: var(--cyan); }
.video-cap { font-size: var(--text-xs); color: var(--ink-muted); margin-top: var(--space-2); }
.gallery { columns: 3 280px; column-gap: var(--space-4); }
.gallery a { display: block; margin-bottom: var(--space-4); break-inside: avoid; background: var(--ink); }
.gallery img { width: 100%; height: auto; transition: opacity var(--transition-interactive); }
.gallery a:hover img { opacity: .85; }
.pn { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.pn a { display: block; padding: var(--space-6); background: var(--cyan-pale); text-decoration: none; color: var(--ink); }
.pn a:hover { background: var(--cyan); }
.pn .lbl { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .08em; }
.pn .tt { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); margin-top: var(--space-2); }
.pn .next { text-align: right; }
@media (max-width: 600px) { .pn { grid-template-columns: 1fr; } .pn .next { text-align: left; } }

/* lightbox */
.lb { position: fixed; inset: 0; background: rgba(6,6,92,.96); z-index: 100; display: none; align-items: center; justify-content: center; padding: var(--space-12) var(--space-4); }
.lb.open { display: flex; }
.lb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lb button { position: absolute; color: var(--green); font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); padding: var(--space-3) var(--space-4); }
.lb .x { top: var(--space-2); right: var(--space-2); }
.lb .pv { left: var(--space-2); top: 50%; transform: translateY(-50%); }
.lb .nx { right: var(--space-2); top: 50%; transform: translateY(-50%); }
.lb .ct { position: absolute; bottom: var(--space-3); left: 50%; transform: translateX(-50%); color: var(--cyan); font-size: var(--text-xs); }

/* ---------- About */
.portrait { position: relative; }
.portrait::before { content: ''; position: absolute; inset: 12% -6% -4% 10%; background: var(--cyan); clip-path: polygon(8% 0, 100% 6%, 92% 100%, 0 88%); z-index: 0; }
.portrait img { position: relative; z-index: 1; width: 100%; height: auto; }
.quote-big { font-family: var(--font-serif); font-size: var(--text-2xl); line-height: 1.12; max-width: 24ch; }
html[data-lang='ko'] .quote-big { font-family: 'Noto Serif KR', serif; font-size: var(--text-xl); line-height: 1.5; max-width: 28ch; }
.quote-big::before { content: '“'; color: var(--link); }
.quote-big::after { content: '”'; color: var(--link); }
.facts-row { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: var(--space-4); list-style: none; }
@media (max-width: 860px) { .facts-row { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.facts-row li { border-top: 3px solid var(--ink); padding-top: var(--space-3); }
.facts-row b { display: block; font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; line-height: 1.1; }
.facts-row span { font-size: var(--text-sm); color: var(--ink-muted); }

/* ---------- Lists (CV, teaching history, research) */
.cv-sec { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: var(--space-8); padding-block: var(--space-8); border-top: 1.5px solid var(--rule); }
@media (max-width: 760px) { .cv-sec { grid-template-columns: 1fr; gap: var(--space-4); } }
.cv-sec h2 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-base); text-transform: uppercase; letter-spacing: .04em; line-height: 1.3; position: sticky; top: var(--space-4); }
html[data-lang='ko'] .cv-sec h2 { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; letter-spacing: 0; }
.cv-list { list-style: none; display: grid; gap: var(--space-3); }
.cv-list li { display: grid; grid-template-columns: 9.5rem minmax(0,1fr); gap: var(--space-4); font-size: var(--text-sm); }
.cv-list li .y { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xs); padding-top: .2em; }
@media (max-width: 520px) { .cv-list li { grid-template-columns: 1fr; gap: 0; } }
.cv-text { font-size: var(--text-sm); max-width: 80ch; }
.terms { display: flex; flex-wrap: wrap; gap: var(--space-2); list-style: none; }
.terms li { font-size: var(--text-xs); border: 1.5px solid var(--ink); padding: var(--space-1) var(--space-3); }
.term-group + .term-group { margin-top: var(--space-6); }
.term-group h3 { font-size: var(--text-sm); font-weight: 700; margin-bottom: var(--space-3); }
.sem { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-4); }
.sem div { background: var(--cyan-pale); padding: var(--space-4); }
.sem h3 { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 600; margin-bottom: var(--space-2); }
.sem ul { list-style: none; font-size: var(--text-xs); display: grid; gap: var(--space-1); }

.foci { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-4); counter-reset: f; }
@media (max-width: 860px) { .foci { grid-template-columns: 1fr; } }
.foci li { background: var(--paper); padding: var(--space-6); counter-increment: f; position: relative; font-size: var(--text-base); line-height: 1.45; }
.foci li::before { content: '0' counter(f); display: block; font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); color: var(--link); margin-bottom: var(--space-3); line-height: 1; }
.pubs { list-style: none; display: grid; gap: 0; }
.pubs li { display: grid; grid-template-columns: 5rem minmax(0,1fr) auto; gap: var(--space-4); padding-block: var(--space-4); border-top: 1.5px solid var(--rule); font-size: var(--text-sm); align-items: baseline; }
.pubs li .y { font-family: var(--font-display); font-weight: 700; }
.pubs .tag { font-size: var(--text-xs); }
@media (max-width: 600px) { .pubs li { grid-template-columns: 1fr; gap: var(--space-1); } }

.courses { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-4); list-style: none; }
@media (max-width: 760px) { .courses { grid-template-columns: 1fr; } }
.courses li { background: var(--paper); padding: var(--space-6); border-left: 6px solid var(--link); }
.courses h3 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); line-height: 1.15; }
.courses .ko { font-family: 'Pretendard Variable', sans-serif; font-size: var(--text-sm); color: var(--ink-muted); }
.courses p { font-size: var(--text-sm); margin-top: var(--space-3); }

/* ---------- CTA */
.cta { background: var(--pink); padding: clamp(var(--space-8), 5vw, var(--space-16)); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-6); position: relative; }
.cta::before { content: ''; position: absolute; left: 0; right: 0; top: -28px; height: 28px; background: url(../svg/glitch-pink-up.svg) repeat-x; background-size: auto 100%; }
.cta::after { content: ''; position: absolute; left: 0; right: 0; bottom: -28px; height: 28px; background: url(../svg/glitch-pink.svg) repeat-x; background-size: auto 100%; }
.cta h2 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-2xl); line-height: 1.05; max-width: 18ch; }
html[data-lang='ko'] .cta h2 { font-family: 'Pretendard Variable', sans-serif; font-weight: 800; }
.cta p { max-width: 46ch; margin-top: var(--space-3); }

/* ---------- Contact form */
.form { display: grid; gap: var(--space-5); max-width: 640px; }
.form label { display: grid; gap: var(--space-2); font-weight: 700; font-size: var(--text-sm); }
.form input, .form textarea { border: 1.5px solid var(--ink); padding: var(--space-3) var(--space-4); font-size: var(--text-base); background: var(--paper); border-radius: 0; }
.form input:focus, .form textarea:focus { outline: 3px solid var(--cyan); outline-offset: 0; }
.form textarea { min-height: 180px; resize: vertical; }

/* ---------- Footer */
.site-footer { background: var(--ink-deep); color: #dcdcff; margin-top: var(--space-24); position: relative; }
.site-footer .f-inner { padding-block: var(--space-16) var(--space-10); display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--space-8); }
@media (max-width: 860px) { .site-footer .f-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .site-footer .f-inner { grid-template-columns: 1fr; } }
.site-footer .flogo { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); color: #fff; line-height: 1; }
.site-footer .flogo small { display: block; font-family: 'Pretendard Variable', sans-serif; font-size: var(--text-sm); font-weight: 600; margin-top: var(--space-2); color: var(--cyan); }
.site-footer h2 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .1em; color: var(--cyan); margin-bottom: var(--space-3); }
.site-footer ul { list-style: none; display: grid; gap: var(--space-2); font-size: var(--text-sm); }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: var(--green); text-decoration: underline; }
.site-footer .legal { border-top: 1px solid #2a2a8a; padding-block: var(--space-5); font-size: var(--text-xs); color: #a9a9e6; display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); }

/* reveal */
.rv { opacity: 0; transform: translateY(14px); transition: opacity 700ms cubic-bezier(0.16,1,0.3,1), transform 700ms cubic-bezier(0.16,1,0.3,1); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } }
.no-js .rv { opacity: 1; transform: none; }

@media print {
  .site-header, .site-footer, .tape, .glitch, .cta, .lang, .menu-btn { display: none !important; }
  body { color: #000; }
}
.p-hero img { object-position: 50% 30%; }

/* Home hero: portrait beside name */
.hero-card .card.has-portrait { max-width: 1080px; display: grid; grid-template-columns: minmax(0,1fr) clamp(150px, 19vw, 240px); gap: clamp(var(--space-6), 3vw, var(--space-10)); align-items: end; }
.hero-text { min-width: 0; }
.hero-portrait { display: block; position: relative; align-self: end; }
.hero-portrait::before { content: ''; position: absolute; inset: 8% -7% -5% 12%; background: var(--cyan); clip-path: polygon(8% 0, 100% 6%, 92% 100%, 0 88%); z-index: 0; }
.hero-portrait img { position: relative; z-index: 1; display: block; width: 100%; height: auto; aspect-ratio: 682 / 900; object-fit: cover; border: 3px solid var(--ink); }
.hero-portrait:hover img { filter: saturate(1.1) contrast(1.05); }
@media (max-width: 640px) {
  .hero-card .card.has-portrait { grid-template-columns: minmax(0,1fr) 92px; gap: var(--space-4); align-items: start; }
  .hero-portrait { align-self: start; margin-top: var(--space-2); }
  .hero-portrait::before { inset: 10% -10% -8% 14%; }
  .hero-portrait img { border-width: 2px; }
}

/* Social icon links */
.social { list-style: none; display: flex !important; flex-wrap: wrap; gap: var(--space-3) !important; margin-top: var(--space-5); padding: 0; }
.social a { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 2px solid var(--cyan); color: var(--cyan); background: transparent; transition: background 160ms, color 160ms, border-color 160ms, transform 160ms; }
.social a::after { content: none !important; }
.social svg { width: 22px; height: 22px; fill: currentColor; }
.social a:hover, .social a:focus-visible { background: var(--green); border-color: var(--green); color: var(--ink); transform: translateY(-2px); }
.social-footer a { border-color: #dcdcff; color: #fff; }