/* /insight/ pages (generated by scripts/build_insight.mjs).
   Design: insight-study/a.html (시안 A, "남색 표지 + 종이 본문"). Navy tokens are the home tokens;
   on paper the same blue is one step darker (#2552C8) for contrast.
   Contrast (WCAG, measured): ink #14213A on paper 14.34 · ink-2 #4A5770 on paper 6.49 / on paper-2 5.83 ·
   accent-p #2552C8 on paper 6.01 / on paper-2 5.40 · on-navy-2 #A9B6CA on navy 8.84 / on navy-2 7.84 ·
   accent #78A6FF on navy-2 6.67 · button ink #081221 on #78A6FF 7.77 */

@font-face { font-family: "Pretendard Variable"; font-style: normal; font-weight: 400 700; font-display: swap; src: url("/assets/fonts/PretendardVariable-insight-v2.woff2") format("woff2-variations"), url("/assets/fonts/PretendardVariable-insight-v2.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/IBMPlexMono-400-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/IBMPlexMono-500-latin.woff2") format("woff2"); }

:root {
  --navy:      #0B1626;   /* = --sc-canvas */
  --navy-2:    #12213A;   /* = --sc-surface, exhibit panels */
  --navy-bed:  #091420;   /* = --g-bed, footer */
  --navy-quiet:#08111D;   /* = --g-quiet, open phone menu */
  --on-navy:   #EEF2F8;
  --on-navy-2: #A9B6CA;
  --accent:    #78A6FF;   /* on navy */
  --accent-ink:#081221;
  --paper:     #F4F2EC;
  --paper-2:   #EAE6DC;
  --ink:       #14213A;   /* on paper */
  --ink-2:     #4A5770;
  --accent-p:  #2552C8;   /* on paper */
  --rule-p:    rgba(20, 33, 58, .16);
  --rule-n:    rgba(238, 242, 248, .13);
  --rule-n2:   rgba(238, 242, 248, .24);
  --sans: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "Pretendard Variable", ui-monospace, monospace;
  --nav-h: 64px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--nav-h) + 24px); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--navy); color: var(--on-navy); font-family: var(--sans); font-size: 1rem; line-height: 1.7; letter-spacing: -0.005em; word-break: keep-all; overflow-wrap: break-word; -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
.mono { font-family: var(--mono); letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.paper :focus-visible { outline-color: var(--accent-p); }
/* content box = the home's .nav__in / .sc-wrap box, so every left edge lines up with the logo (check ⑬) */
.wrap { width: 100%; max-width: var(--sc-maxw); margin-inline: auto; padding-inline: var(--sc-gutter); }

/* nav + footer: see "home parity" at the end of this file */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 999px; font-weight: 600; font-size: 1rem; text-decoration: none; white-space: nowrap; background: var(--accent); color: var(--accent-ink); transition: background-color 160ms var(--ease), transform 120ms var(--ease); }
.btn:hover { background: #93B8FF; }
.btn:active { transform: translateY(1px) scale(.98); }
.btn--sm { min-height: 40px; padding: 0 18px; font-size: .94rem; }
.btn svg { width: 18px; height: 18px; }

/* ------------------------------------------------ cover */
.cover { position: relative; overflow: hidden; isolation: isolate; min-height: 520px; padding: clamp(28px, 4.5vh, 52px) 0 clamp(92px, 8.5vw, 128px); }
.cover--hub { min-height: 380px; }
.cover__stars { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; opacity: .75; -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,.18) 58%, #000 78%); mask-image: linear-gradient(90deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,.18) 58%, #000 78%); }
.cover__glow { position: absolute; left: 0; right: 0; bottom: 0; height: 62%; z-index: -2; background:
  radial-gradient(ellipse 58% 62% at 64% 100%, rgba(201, 138, 118, .5), rgba(107, 79, 107, .26) 45%, transparent 76%),
  linear-gradient(180deg, transparent 0%, rgba(51, 48, 90, .38) 70%, rgba(107, 79, 107, .30) 100%); }
.cover__land { position: absolute; left: 0; right: 0; bottom: -1px; z-index: -1; width: 100%; height: clamp(96px, 12vw, 176px); }
.crumb ol { display: flex; gap: 0 10px; align-items: center; margin: 0 0 14px; padding: 0; list-style: none; font-size: .86rem; color: var(--on-navy-2); min-width: 0; }
.crumb li { display: inline-flex; align-items: center; min-width: 0; flex: none; }
.crumb li:last-child { flex: 1 1 auto; }
.crumb a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; color: var(--on-navy-2); }
.crumb a:hover { color: var(--on-navy); text-decoration: underline; text-underline-offset: 3px; }
.crumb li + li::before { content: "/"; margin-right: 10px; opacity: .55; }
.crumb [aria-current] { display: block; min-width: 0; max-width: 32ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.series { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 20px; font-size: .84rem; font-weight: 600; color: var(--accent); }
.series__path { color: var(--on-navy); }
.series .sep { width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: .6; }
.series::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.cover h1 { margin: 0; max-width: 21em; font-size: clamp(2.2rem, 4.4vw, 3.6rem); line-height: 1.2; font-weight: 680; letter-spacing: -0.032em; text-wrap: balance; }
.cover h1 .soft { display: block; color: color-mix(in oklab, var(--on-navy) 78%, var(--accent)); }
.cover__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: clamp(28px, 5vw, 80px); margin-top: clamp(24px, 3.5vh, 36px); padding-top: clamp(20px, 3vh, 28px); border-top: 1px solid var(--rule-n2); }
.cover--hub .cover__row { grid-template-columns: minmax(0, 1fr); }
.dek { margin: 0; font-size: clamp(1.06rem, 1rem + .3vw, 1.2rem); line-height: 1.7; color: var(--on-navy); max-width: 32em; text-wrap: pretty; }
.byline { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 22px 0 0; padding: 0; list-style: none; font-size: .86rem; color: var(--on-navy-2); }
.byline li { display: inline-flex; align-items: center; gap: 8px; }
.byline .who { color: var(--on-navy); font-weight: 600; }
.byline li + li::before { content: ""; width: 3px; height: 3px; border-radius: 50%; background: var(--on-navy-2); margin-right: 8px; }
.kt__label { margin: 0 0 6px; font-size: .84rem; font-weight: 600; color: var(--on-navy); display: flex; justify-content: space-between; align-items: baseline; }
.kt__label .mono { font-size: .72rem; font-weight: 400; color: var(--on-navy-2); }
.kt ul { list-style: none; margin: 0; padding: 0; }
.kt li { position: relative; padding: 11px 0 11px 22px; border-bottom: 1px solid var(--rule-n); font-size: 1.02rem; line-height: 1.6; color: var(--on-navy); }
.kt li:last-child { border-bottom: 0; }
.kt li::before { content: ""; position: absolute; left: 0; top: 1.42em; width: 10px; height: 2px; background: var(--accent); }

/* ------------------------------------------------ paper */
.paper { background: var(--paper); color: var(--ink); position: relative; }
.layout { display: grid; grid-template-columns: 12.5rem minmax(0, 54rem); gap: clamp(32px, 4vw, 64px); justify-content: start; padding-block: clamp(8px, 1.5vw, 20px) clamp(72px, 9vw, 120px); width: 100%; max-width: var(--sc-maxw); margin-inline: auto; padding-inline: var(--sc-gutter); }
.toc { position: sticky; top: calc(var(--nav-h) + 36px); align-self: start; padding-top: 6px; }
.toc__label { margin: 0 0 14px; font-size: .84rem; font-weight: 650; color: var(--ink); }
.toc__track { position: relative; padding-left: 16px; }
.toc__track::before, .toc__fill { content: ""; position: absolute; left: 0; top: 0; width: 2px; border-radius: 2px; }
.toc__track::before { bottom: 0; background: var(--rule-p); }
.toc__fill { height: 100%; background: var(--accent-p); transform-origin: top; transform: scaleY(0); }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc a { display: block; padding: 7px 0; font-size: .9rem; line-height: 1.45; color: var(--ink-2); text-decoration: none; transition: color 160ms; }
.toc a:hover { color: var(--ink); }
.toc a[aria-current="true"] { color: var(--ink); font-weight: 650; }
.toc__time { margin: 18px 0 0; font-size: .74rem; color: var(--ink-2); }
.toc-m { display: none; }

.prose { min-width: 0; font-size: 1.125rem; line-height: 1.86; }
.prose > *, .prose > section > * { max-width: 42rem; }
.prose > section { max-width: none; }
.prose p { margin: 0 0 1.15em; text-wrap: pretty; }
.prose h2 { margin: 2.6em 0 .7em; font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); line-height: 1.32; font-weight: 680; letter-spacing: -0.025em; text-wrap: balance; }
.prose h3 { margin: 2em 0 .6em; font-size: clamp(1.18rem, 1.1rem + .35vw, 1.32rem); line-height: 1.45; font-weight: 650; letter-spacing: -0.015em; }
.prose > section:first-of-type > h2:first-child, .prose > section:first-of-type > .blk:first-child > h2:first-child { margin-top: .6em; }
.kicker { display: block; margin-bottom: 10px; font-size: .86rem; font-weight: 650; color: var(--accent-p); letter-spacing: 0; }
.prose a:not(.btn) { color: var(--accent-p); text-underline-offset: 3px; }
.blk > :last-child { margin-bottom: 0; }
.blk + .blk { margin-top: 1.15em; }

/* exhibits: printed-report plates */
.exhibit { max-width: none !important; margin: 2.4em 0 2.6em; background: var(--navy-2); color: var(--on-navy); border-radius: 4px; padding: clamp(22px, 3vw, 36px); box-shadow: 0 1px 0 rgba(20,33,58,.06), 0 18px 40px -26px rgba(11, 22, 38, .55); }
.prose .exhibit h2, .prose .exhibit h3 { margin: 0; }
.ex-head { display: grid; gap: 10px; padding-bottom: 20px; border-bottom: 1px solid var(--rule-n2); }
.ex-label { margin: 0 !important; font-size: .74rem; color: var(--accent); display: flex; gap: 14px; }
.ex-title { margin: 0; font-size: clamp(1.25rem, 1.05rem + .8vw, 1.6rem) !important; line-height: 1.38 !important; font-weight: 650 !important; letter-spacing: -0.02em !important; text-wrap: balance; }
.ex-sub { margin: 0 !important; font-size: .92rem; line-height: 1.65; color: var(--on-navy-2); }
.ex-note { margin: 18px 0 0 !important; padding-top: 14px; border-top: 1px solid var(--rule-n); font-size: .82rem; line-height: 1.6; color: var(--on-navy-2); }
.exhibit a { color: var(--accent) !important; }

/* exhibit table (3 columns max) */
.sig { width: 100%; border-collapse: collapse; font-size: .98rem; }
.sig th { text-align: left; font-weight: 600; font-size: .8rem; color: var(--on-navy-2); padding: 16px 16px 10px 0; border-bottom: 1px solid var(--rule-n); }
.sig td { vertical-align: top; padding: 16px 16px 16px 0; border-bottom: 1px solid var(--rule-n); line-height: 1.55; }
.sig tr:last-child td { border-bottom: 0; }
.sig td:last-child, .sig th:last-child { padding-right: 0; }
.sig td:first-child { font-weight: 600; }
.sig td:nth-child(2) { color: var(--on-navy-2); }
.sig--3 th:first-child { width: 34%; }
.sig--3 th:nth-child(2) { width: 36%; }

/* exhibit: 3-zone scale (01 only, static: no input) */
.scale { margin-top: 26px; }
.scale__ticks { display: grid; grid-template-columns: repeat(var(--ticks, 7), 1fr); font-family: var(--mono); font-size: .78rem; color: var(--on-navy-2); margin-bottom: 8px; }
.scale__ticks span { text-align: center; }
.scale__bar { position: relative; display: grid; gap: 3px; height: 14px; }
.scale__bar i { display: block; border-radius: 2px; }
.scale__bar i:nth-child(1) { background: rgba(120, 166, 255, .26); }
.scale__bar i:nth-child(2) { background: rgba(120, 166, 255, .55); }
.scale__bar i:nth-child(3) { background: var(--accent); }
.zones { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 26px; }
.zone { position: relative; padding: 16px 0 4px; }
.zone::before { content: ""; position: absolute; left: 0; top: 0; width: 28px; height: 4px; border-radius: 2px; background: rgba(120, 166, 255, .26); }
.zone--2::before { background: rgba(120, 166, 255, .55); }
.zone--3::before { background: var(--accent); }
.zone__range { margin: 0 0 6px !important; font-size: .86rem; font-weight: 600; color: var(--accent); }
.zone__head { margin: 0 !important; font-size: 1.02rem; font-weight: 650; line-height: 1.45; letter-spacing: -0.01em; }
.zone--3 .zone__head { color: #fff; }

/* pull quote */
.pull { max-width: none !important; margin: 2.6em 0; padding: 1.8em 0 1.6em; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule-p); display: grid; grid-template-columns: 4.5rem minmax(0, 1fr); gap: 8px 24px; }
.pull__mark { font-size: 5rem; line-height: .8; color: var(--accent-p); font-weight: 700; }
.pull blockquote { margin: 0; font-size: clamp(1.45rem, 1.15rem + 1.2vw, 2.15rem); line-height: 1.42; font-weight: 650; letter-spacing: -0.028em; text-wrap: balance; color: var(--ink); }
.pull blockquote p { margin: 0; }

/* example, limits, notes */
.example { margin: 2.4em 0; padding: clamp(20px, 3vw, 30px); background: var(--paper-2); border-radius: 4px; border-left: 3px solid var(--ink); }
.prose h2 + .example, .prose h3 + .example { margin-top: .4em; }
.example__label { margin: 0 0 12px !important; font-size: .78rem; font-weight: 600; color: var(--ink); letter-spacing: .02em; }
.example p { font-size: 1.05rem; }
.example .disc { margin: 14px 0 0; padding-top: 12px; border-top: 1px solid var(--rule-p); font-size: .88rem; color: var(--ink-2); line-height: 1.6; }
.limits { margin: 2.4em 0 0; padding: 20px 0 0; border-top: 1px dashed rgba(20, 33, 58, .35); }
.limits + .limits { margin-top: 1.4em; }
.limits > .blk { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 8px 24px; max-width: 42rem; }
.limits h2 { grid-column: 1; grid-row: 1 / span 9; margin: 0 !important; font-size: .92rem !important; font-weight: 650 !important; letter-spacing: 0 !important; color: var(--ink); line-height: 1.6 !important; }
.limits p { grid-column: 2; margin: 0 0 .6em; font-size: .97rem; line-height: 1.75; color: var(--ink-2); }
.note { margin: 2em 0; padding: 18px 22px; border-left: 3px solid var(--accent-p); background: color-mix(in oklab, var(--paper-2) 60%, var(--paper)); }
.note__label { margin: 0 0 8px !important; font-size: .84rem; font-weight: 650; color: var(--accent-p); }
.note > :last-child { margin-bottom: 0; }

/* lists on paper (no checkboxes: plain marks) */
.ticks, .steps { list-style: none; margin: 1.2em 0 1.6em; padding: 0; border-top: 1px solid var(--rule-p); }
.ticks li, .steps li { position: relative; padding: 14px 0 14px 30px; border-bottom: 1px solid var(--rule-p); line-height: 1.7; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 1.45em; width: 12px; height: 2px; background: var(--accent-p); }
.steps { counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 14px; font-family: var(--mono); font-size: .82rem; font-weight: 500; color: var(--accent-p); line-height: 1.9; }
.plain { margin: 0 0 1.15em; padding-left: 1.2em; }

/* table on paper (inside examples) */
.ptbl { width: 100%; border-collapse: collapse; margin: 6px 0 4px; font-size: .96rem; line-height: 1.6; }
.ptbl th { text-align: left; font-size: .8rem; font-weight: 650; color: var(--ink-2); padding: 10px 14px 8px 0; border-bottom: 1px solid var(--ink); }
.ptbl td { vertical-align: top; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--rule-p); }
.ptbl td:first-child { font-weight: 600; }
.ptbl td:last-child, .ptbl th:last-child { padding-right: 0; }

/* FAQ: always open (structured data must match what is shown) */
.faq { margin-top: .4em; border-top: 1px solid var(--ink); }
.faq__item { border-bottom: 1px solid var(--rule-p); padding: 18px 0 20px; }
.prose .faq__item h3 { margin: 0 0 6px; font-size: 1.06rem; line-height: 1.5; font-weight: 600; letter-spacing: -0.01em; }
.faq__item p { margin: 0; color: var(--ink-2); font-size: 1.02rem; }

/* mid CTA: a navy plate inside the paper */
.cta-mid { max-width: 42rem; margin: 2.4em 0; padding: clamp(22px, 3vw, 30px); border-radius: 4px; background: var(--navy); color: var(--on-navy); }
.cta-mid .cta__lead { margin: 0 0 18px; font-size: 1.06rem; font-weight: 600; line-height: 1.6; color: var(--on-navy); }   /* mid CTA: lead + button only */
.cta-mid .cta__line { margin: 0 0 18px; font-size: 1.15rem; line-height: 1.5; font-weight: 650; letter-spacing: -0.015em; }
.cta-mid :focus-visible { outline-color: var(--accent); }

/* close: back from paper to the navy stratum */
.close { position: relative; background: var(--navy); }
.close__edge { position: absolute; left: 0; right: 0; top: -1px; width: 100%; height: clamp(40px, 6vw, 84px); }
.cta { padding: clamp(72px, 7vw, 104px) 0 clamp(52px, 6vw, 76px); }
.cta__in { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 28px 56px; }
.cta__lead { margin: 0 0 14px; font-size: 1rem; color: var(--on-navy-2); }
.cta__line { margin: 0; font-size: clamp(1.55rem, 1.2rem + 1.4vw, 2.35rem); line-height: 1.34; font-weight: 650; letter-spacing: -0.028em; text-wrap: balance; }

/* cards (next reads, hub): navy, rule-led */
.next { padding: 0 0 clamp(52px, 6vw, 76px); }
.next h2, .hub-group h2 { margin: 0 0 16px; font-size: .92rem; font-weight: 650; letter-spacing: 0; color: var(--on-navy-2); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; }
.card { position: relative; display: flex; flex-direction: column; gap: 10px; padding: clamp(20px, 2.4vw, 28px); background: var(--navy-2); color: var(--on-navy); border-radius: 4px; border-top: 2px solid var(--accent); transition: background-color 160ms var(--ease); }
.card:hover { background: #172947; }
.card__path { margin: 0; font-size: .8rem; font-weight: 600; color: var(--accent); }
.card h3 { margin: 0; font-size: clamp(1.2rem, 1.05rem + .6vw, 1.5rem); line-height: 1.38; font-weight: 650; letter-spacing: -0.02em; text-wrap: balance; }
.card h3 a { text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.card h3 a:focus-visible { outline: none; }
.card:focus-within { outline: 2px solid var(--accent); outline-offset: 3px; }
.card__dek { margin: 0; font-size: .98rem; line-height: 1.65; color: var(--on-navy-2); }
.card__meta { margin: auto 0 0; padding-top: 6px; font-size: .78rem; color: var(--on-navy-2); }

/* hub: groups on paper, cards stay navy */
.hub-body { padding-top: clamp(8px, 1.5vw, 20px); padding-bottom: clamp(72px, 9vw, 120px); }
.hub-group + .hub-group { margin-top: clamp(40px, 5vw, 64px); }
.paper .hub-group h2 { color: var(--ink); font-size: 1.05rem; padding-bottom: 12px; border-bottom: 1px solid var(--ink); }


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .toc__fill { display: none; }
  .btn:active { transform: none; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

/* ------------------------------------------------ narrow */
@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
  .toc-m { display: block; margin: 0 0 8px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule-p); }
  .toc-m summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; min-height: 52px; font-size: .92rem; font-weight: 650; color: var(--ink); }
  .toc-m summary::-webkit-details-marker { display: none; }
  .toc-m summary::after { content: "+"; font-size: 1.1rem; color: var(--accent-p); }
  .toc-m[open] summary::after { content: "−"; }
  .toc-m ol { margin: 0 0 14px; padding: 0; list-style: none; }
  .toc-m a { display: flex; align-items: center; min-height: 48px; padding: 6px 0; color: var(--ink-2); text-decoration: none; font-size: .98rem; line-height: 1.5; }
}
@media (max-width: 860px) {
  :root { --nav-h: 56px; }
  .crumb a { min-height: 48px; }
  .card__dek { font-size: 1.0625rem; }
  .cover__stars { -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.15) 30%); mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.15) 30%); }
  .cover { min-height: 0; }
  .cover__row { grid-template-columns: minmax(0, 1fr); }
  .cta__in { grid-template-columns: minmax(0, 1fr); align-items: start; }
}
@media (max-width: 720px) {
  .cover h1 { font-size: clamp(1.75rem, 7.4vw, 2.2rem); }
  .crumb ol { margin-bottom: 4px; }
  .prose { font-size: 1.0625rem; line-height: 1.84; }
  .exhibit { margin-inline: calc(-1 * var(--sc-gutter) + 8px); padding: 22px 18px; }
  .scale__ticks, .scale__bar { display: none; }
  .zones { grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 18px; }
  .zone { padding: 4px 0 4px 20px; }
  .zone::before { top: 4px; bottom: 4px; width: 6px; height: auto; }
  .pull { grid-template-columns: minmax(0, 1fr); }
  .pull__mark { font-size: 3.6rem; height: .5em; }
  .limits > .blk { grid-template-columns: minmax(0, 1fr); }
  .limits h2, .limits p { grid-column: 1; grid-row: auto; }
  .cta .btn, .cta-mid .btn { width: 100%; }
}
@media (max-width: 640px) {
  /* tables -> stacked cards: header hidden, each cell carries its column name */
  .sig, .sig tbody, .sig tr, .sig td, .ptbl, .ptbl tbody, .ptbl tr, .ptbl td { display: block; width: 100% !important; }
  .sig thead, .ptbl thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .sig tr { padding: 16px 0; border-bottom: 1px solid var(--rule-n); }
  .sig tr:last-child { border-bottom: 0; }
  .sig td { border: 0; padding: 0; }
  .sig td + td { margin-top: 8px; font-size: .94rem; }
  .sig td + td::before, .ptbl td + td::before { content: attr(data-label); display: block; font-size: .76rem; font-weight: 600; letter-spacing: .04em; margin-bottom: 2px; }
  .sig td + td::before { color: var(--on-navy-2); }
  .sig td:last-child::before { color: var(--accent); }
  .ptbl { border-top: 1px solid var(--ink); }
  .ptbl tr { padding: 12px 0; border-bottom: 1px solid var(--rule-p); }
  .ptbl td { border: 0; padding: 0; }
  .ptbl td + td { margin-top: 6px; }
  .ptbl td + td::before { color: var(--ink-2); }
}

/* ================================================ hub (list page) only: .hub-* classes
   One feature post, then thin rows. Thumbnails are inline SVG "small covers" (see hubThumb in the generator). */
.cover.hub-cover { min-height: 340px; }
.hub-main { padding-top: clamp(20px, 3vw, 44px); }
.hub-sec + .hub-sec { margin-top: clamp(56px, 6vw, 88px); }
.hub-label { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; font-size: .84rem; font-weight: 650; letter-spacing: .01em; color: var(--ink-2); }
.hub-label::before { content: ""; width: 28px; height: 1px; background: var(--accent-p); }
.hub-chip { display: inline-flex; align-items: center; min-height: 26px; padding: 0 10px; border-radius: 999px; background: rgba(37, 82, 200, .09); color: var(--accent-p); font-size: .8rem; font-weight: 650; line-height: 1; white-space: nowrap; }
.hub-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: .84rem; color: var(--ink-2); }
.hub-go { width: 20px; height: 20px; flex: none; transition: transform 200ms var(--ease); }
.hub-th { display: block; width: 100%; height: 100%; }
.hub-th__sky { transform-box: fill-box; transform-origin: 50% 70%; transition: transform 200ms var(--ease); }

/* feature */
.hub-feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 33rem); grid-template-areas: "text art"; gap: clamp(28px, 4vw, 64px); align-items: center; color: var(--ink); text-decoration: none; }
.hub-feature__art { grid-area: art; display: block; aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden; box-shadow: 0 1px 0 rgba(20, 33, 58, .06), 0 26px 50px -32px rgba(11, 22, 38, .7); }
.hub-feature__text { grid-area: text; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; min-width: 0; }
.hub-feature__title { margin: 0; font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height: 1.26; font-weight: 700; letter-spacing: -0.032em; text-wrap: balance; transition: color 160ms var(--ease); }
.hub-feature__dek { max-width: 34em; font-size: 1.125rem; line-height: 1.7; color: var(--ink-2); text-wrap: pretty; }
.hub-feature__go { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 650; color: var(--accent-p); }

/* rows: one link per row, rules between rows only */
.hub-rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule-p); }
.hub-row { border-bottom: 1px solid var(--rule-p); }
.hub-row__a { display: grid; grid-template-columns: 2.6rem 200px minmax(0, 1fr) 24px; align-items: center; gap: 28px; min-height: 88px; padding: 24px 0; color: var(--ink); text-decoration: none; }
.hub-row__no { align-self: start; padding-top: 3px; font-size: .84rem; color: var(--ink-2); }
.hub-row__art { display: block; width: 200px; aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; box-shadow: 0 14px 28px -22px rgba(11, 22, 38, .7); }
.hub-row__body { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; min-width: 0; }
.hub-row__title { margin: 0; font-size: clamp(1.2rem, 1.1rem + .4vw, 1.35rem); line-height: 1.42; font-weight: 680; letter-spacing: -0.02em; text-wrap: balance; transition: color 160ms var(--ease); }
.hub-row__dek { font-size: 1rem; line-height: 1.6; color: var(--ink-2); text-wrap: pretty; }
.hub-row .hub-go { color: var(--ink-2); }
.hub-feature:focus-visible, .hub-row__a:focus-visible { outline: 2px solid var(--accent-p); outline-offset: 6px; border-radius: 6px; }
@media (hover: hover) and (pointer: fine) {
  .hub-feature:hover .hub-feature__title, .hub-row__a:hover .hub-row__title { color: var(--accent-p); }
  .hub-feature:hover .hub-go, .hub-row__a:hover .hub-go { transform: translateX(4px); color: var(--accent-p); }
  .hub-feature:hover .hub-th__sky, .hub-row__a:hover .hub-th__sky { transform: scale(1.02); }
}
@media (prefers-reduced-motion: reduce) {
  .hub-feature:hover .hub-go, .hub-row__a:hover .hub-go, .hub-feature:hover .hub-th__sky, .hub-row__a:hover .hub-th__sky { transform: none !important; }
}
@media (max-width: 860px) {
  .cover.hub-cover { min-height: 0; }
  .hub-feature { grid-template-columns: minmax(0, 1fr); grid-template-areas: "art" "text"; gap: 22px; }
  .hub-feature__title { font-size: clamp(1.6rem, 6.4vw, 1.9rem); }
  .hub-feature__dek { font-size: 1.0625rem; }
  .hub-row__a { grid-template-columns: 2.2rem minmax(0, 1fr); grid-template-areas: "art art" "no body"; gap: 16px 8px; min-height: 96px; padding: 22px 0 24px; }
  .hub-row__art { grid-area: art; width: 100%; }
  .hub-row__no { grid-area: no; }
  .hub-row__body { grid-area: body; }
  .hub-row .hub-go { display: none; }
  .hub-row__dek { font-size: 1.0625rem; }
}
.hub-feature__title { font-size: clamp(1.9rem, 2.5vw, 2.15rem); }
.hub-feature__title .soft { display: block; color: color-mix(in oklab, var(--ink) 70%, var(--accent-p)); }

/* field sections (분야) + static anchor chips: plain links, no JS, chips wrap (no sideways scroll) */
.hub-fields { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 0 0 clamp(40px, 5vw, 64px); padding-bottom: clamp(20px, 2.4vw, 28px); border-bottom: 1px solid var(--rule-p); }
.hub-fields__label { margin: 0; font-size: .84rem; font-weight: 650; color: var(--ink-2); }
.hub-fields__list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.hub-fieldchip { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px 0 16px; border: 1px solid var(--rule-p); border-radius: 999px; background: #fff; color: var(--ink); font-size: .92rem; font-weight: 650; text-decoration: none; transition: border-color 160ms var(--ease), color 160ms var(--ease); }
.hub-fieldchip__n { font-size: .78rem; font-weight: 500; color: var(--ink-2); }
.hub-fieldchip:focus-visible { outline: 2px solid var(--accent-p); outline-offset: 3px; }
@media (hover: hover) and (pointer: fine) {
  .hub-fieldchip:hover { border-color: var(--accent-p); color: var(--accent-p); }
}
.hub-field__head { margin: 0 0 22px; }
.hub-field__title { display: flex; align-items: center; gap: 12px; margin: 0; font-size: clamp(1.25rem, 1.1rem + .5vw, 1.45rem); line-height: 1.35; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); }
.hub-field__title::before { content: ""; width: 28px; height: 1px; flex: none; background: var(--accent-p); }
.hub-field__desc { max-width: 40em; margin: 8px 0 0 40px; font-size: 1rem; line-height: 1.6; color: var(--ink-2); text-wrap: pretty; }
@media (max-width: 860px) {
  .hub-fields { flex-direction: column; align-items: flex-start; }
  .hub-fieldchip { min-height: 44px; }
  .hub-field__desc { margin-left: 0; }
}

/* ================================================ home parity: nav + footer
   Markup comes from index.html at build time (build_insight.mjs readHomeChrome). These rules are the
   site.css rules copied value for value; check ⑬ compares them with site.css and fails on any drift.
   Only differences: the bar is sticky here (the page flows under it) instead of fixed, and phone tap
   areas are widened with ::after hit areas so the visible boxes keep the home geometry. */
:root {
  --sc-ink: #EEF2F8;
  --sc-ink-soft: #A9B6CA;
  --sc-accent: #78A6FF;
  --sc-accent-ink: #081221;
  --sc-ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --sc-font-text: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --sc-maxw: 68rem;
  --sc-gutter: clamp(1.25rem, 5vw, 5.5rem);
  --g-quiet: #08111D;
  --line: color-mix(in oklab, var(--sc-ink) 13%, transparent);
  --line-strong: color-mix(in oklab, var(--sc-ink) 24%, transparent);
}
button, input, select, textarea { font: inherit; color: inherit; }   /* = scrollcraft.css form reset the home uses (nav menu button) */
:where(.nav, .foot) { letter-spacing: -0.003em; line-height: 1.7; text-rendering: optimizeLegibility; font-synthesis-weight: none; }   /* = the home body typography these blocks inherit there */
.nav { position: sticky; top: 0; z-index: 60; height: var(--nav-h); display: flex; align-items: center; }
.nav, .nav.is-solid, .nav.is-sunk { background: #0A1424; border-bottom: 1px solid rgba(255, 255, 255, 0.09); -webkit-backdrop-filter: none; backdrop-filter: none; }
.nav__in { width: 100%; max-width: var(--sc-maxw); margin: 0 auto; padding-inline: var(--sc-gutter); display: flex; align-items: center; gap: 28px; }
.mark { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; color: var(--sc-ink); font-weight: 700; letter-spacing: -0.01em; font-size: 1.06rem; }
.mark img { width: 26px; height: 26px; }
.nav__links { display: flex; gap: 4px; margin: 0 0 0 auto; padding: 0; list-style: none; }
.nav__links a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: 999px; color: var(--sc-ink-soft); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: color 160ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out); }
.nav__links a[aria-current] { color: var(--sc-ink); }
@media (hover: hover) and (pointer: fine) { .nav__links a:hover { color: var(--sc-ink); background: color-mix(in oklab, var(--sc-ink) 7%, transparent); } }
.nav .btn { min-height: 40px; padding: 0 18px; font-size: 0.95rem; }
.nav__menu { display: none; }
.btn--primary { background: var(--sc-accent); color: var(--sc-accent-ink); border: 1px solid transparent; cursor: pointer; }   /* home .btn carries the 1px border; here .btn is shared with article CTAs, so it rides on --primary (nav only) */
@media (hover: hover) and (pointer: fine) { .btn--primary:hover:not(:disabled) { background: #93B8FF; } }
.brand-name { font-family: var(--sc-font-text); font-weight: 650; letter-spacing: -0.01em; white-space: nowrap; text-transform: none; color: inherit; }
.mark .brand-name { font-size: 1.06rem; }
.sc-wrap { width: 100%; max-width: var(--sc-maxw); margin-inline: auto; padding-inline: var(--sc-gutter); }
.foot { position: relative; border-top: 1px solid var(--line); padding: 28px 0 36px; font-size: 0.86rem; color: var(--sc-ink-soft); }
.foot__in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.foot p { margin: 0; line-height: 1.8; }
.foot a { color: var(--sc-ink); }
.foot nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 2px 18px; flex-wrap: wrap; }
.foot nav a { display: inline-flex; align-items: center; min-height: 32px; }
.foot__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 10px !important; color: var(--sc-ink); font-weight: 700; }
.foot__brand img { width: 24px; height: 24px; }
.nav :focus-visible, .foot :focus-visible { outline-color: var(--sc-accent); }
@media (max-width: 860px) {
  .nav__in { gap: 12px; }
  .nav__links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--g-quiet); border-bottom: 1px solid var(--line); padding: 8px var(--sc-gutter) 14px;
  }
  .nav.is-open .nav__links { display: flex; }
  .nav.is-open { background: var(--g-quiet); }
  .nav__links a { min-height: 48px; padding: 0 4px; font-size: 1.02rem; }
  .nav__menu { display: inline-flex; margin-left: auto; min-height: 40px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line-strong); background: transparent; color: var(--sc-ink); font-size: 0.92rem; font-weight: 600; align-items: center; cursor: pointer; }
  .nav .btn { padding: 0 14px; font-size: 0.9rem; }
  /* phone tap areas (addition): 48px hit areas without changing the visible boxes */
  .mark, .nav__menu, .nav .btn, .foot nav a, .foot p a { position: relative; }
  .mark::after, .nav__menu::after, .nav .btn::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 48px; transform: translateY(-50%); }
  .foot nav a::after, .foot p a::after { content: ""; position: absolute; left: -4px; right: -4px; top: 50%; height: 48px; transform: translateY(-50%); }
}
@media (max-width: 380px) {
  .nav .btn { display: none; }
}
/* box is the home 68rem: keep the feature title on two lines next to a 26rem picture */
@media (min-width: 861px) {
  .hub-feature { grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); }
  .hub-feature__title { font-size: clamp(1.7rem, 2.2vw, 1.9rem); }
}
/* page-width parity with the home (scrollcraft.css): same thin scrollbar, so the viewport is equally wide on both */
@supports (scrollbar-color: auto) {
  html { scrollbar-color: color-mix(in oklab, var(--sc-ink) 26%, transparent) transparent; scrollbar-width: thin; }
}