/* 3001 LABS · EDITION 02 · 2.0.0
 * Design tokens are the single source for brand colors and layout rhythm.
 * No external fonts or assets are required. */
:root {
  color-scheme: light;
  --paper: #f5f7fc;
  --white: #ffffff;
  --ink: #14243e;
  --muted: #58677f;
  --line: #d4dce9;
  --accent: #245be7;
  --accent-quiet: #e7efff;
  --surface: #e5ecf8;
  --stone: #edf1f7;
  --sage: #dde8fc;
  --dark: #14284e;
  --dark-deep: #0e1e3d;
  --dark-line: #3c5278;
  --dark-muted: #bccbe3;
  --font: "Pretendard", "Noto Sans KR", "Noto Sans CJK KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --display: "Arial", "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --gutter: 20px;
  --page-width: 1296px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-full: 999px;
  --shadow-ui: 0 16px 36px -22px rgb(14 35 77 / 24%);
  --on-accent: #ffffff;
  --accent-light: #a9c8ff;
  --accent-line: #7ca8f6;
  --panel-shadow: 0 14px 26px -18px rgb(14 35 77 / 25%);
  --motion: 180ms;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); font-size: 15px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body, button, input { font-family: var(--font); }
button, input, a { -webkit-tap-highlight-color: transparent; }
button, input { font-size: inherit; }
button { cursor: pointer; }
button { color: inherit; }
button, a { touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
button { border: 0; background: transparent; }
p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { word-break: keep-all; overflow-wrap: anywhere; }
button, a, input { outline-offset: 5px; }
:focus-visible { outline: 3px solid var(--ink); }
::selection { background: var(--accent); color: var(--on-accent); }
[hidden] { display: none !important; }
.container { width: min(var(--page-width), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.mono { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; font-weight: 400; }
.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; }
.skip-link { position: fixed; top: -70px; left: 20px; z-index: 100; padding: 12px 20px; color: var(--on-accent); background: var(--accent); }
.skip-link:focus { top: 12px; }
.eyebrow { font-size: 11px; letter-spacing: .04em; font-weight: 500; display: flex; align-items: center; gap: var(--space-3); }
.square-mark { display: inline-block; width: 8px; height: 8px; background: var(--ink); }
.period { color: var(--ink); }
.section-space { padding-block: var(--space-16); }
/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; line-height: 1; }
.brand-number { font-family: var(--display); font-size: 38px; font-weight: 900; letter-spacing: -3px; }
.brand-name { font-family: var(--display); font-size: 12px; font-weight: 700; letter-spacing: 1.2px; padding-top: 1px; display: flex; flex-direction: column; gap: 6px; }
.brand-dot { width: 26px; height: 6px; background: var(--accent); }
.header-caption { display: none; }
.site-nav { display: flex; align-items: center; gap: var(--space-8); font-size: 12px; font-weight: 600; }
.site-nav > a { display: inline-flex; align-items: center; min-height: 44px; gap: var(--space-2); }
.site-nav > a:hover { text-decoration: underline; text-underline-offset: 5px; }
.nav-index { font-family: var(--mono); color: var(--muted); font-size: 10px; position: relative; top: -5px; }
.site-nav .nav-contact { gap: var(--space-5); padding: 2px 16px; border: 1px solid var(--ink); border-radius: var(--radius-full); }
.nav-contact > span { font-size: 18px; }
.site-nav .nav-contact:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
.menu-toggle { min-height: 44px; padding: 0 4px 0 12px; display: flex; align-items: center; gap: var(--space-3); }
.menu-label { font-size: 12px; font-weight: 600; }
.menu-lines { position: relative; width: 22px; height: 16px; border-block: 1.5px solid var(--ink); }
.menu-lines::after { content: ""; position: absolute; left: 0; right: 0; top: 6px; height: 1.5px; background: var(--ink); }
.menu-toggle[aria-expanded="true"] .menu-lines { transform: rotate(45deg); height: 1.5px; border-bottom: 0; }
.menu-toggle[aria-expanded="true"] .menu-lines::after { top: -1.5px; transform: rotate(90deg); }
/* Hero: editorial copy meets a modular, four-character brand print. */
.hero { padding-top: var(--space-8); }
.section-eyebrow { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.edition-label { display: none; color: var(--muted); font-size: 10px; }
.hero-layout { display: grid; gap: var(--space-10); padding-block: var(--space-8) var(--space-12); }
.hero h1 { font-size: clamp(47px, 11.2vw, 74px); line-height: 1.17; letter-spacing: -.065em; font-weight: 800; }
.hero-last-line { white-space: nowrap; }
.headline-arrow { color: var(--accent); font-family: var(--display); font-size: .75em; font-weight: 400; display: inline-flex; align-items: center; justify-content: center; width: .95em; height: .95em; margin-left: .35em; background: var(--accent-quiet); border-radius: 50%; transform: translateY(-.04em); }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-8); }
.hero-description { font-size: 12px; line-height: 1.95; color: var(--muted); letter-spacing: -.02em; }
.round-link { display: inline-flex; flex-shrink: 0; justify-content: center; align-items: center; border: 1px solid var(--ink); border-radius: 50%; width: 48px; height: 48px; font-size: 25px; transition: background var(--motion), transform var(--motion); }
.round-link:hover { color: var(--on-accent); background: var(--accent); transform: translateY(3px); }
.hero-art { color: var(--on-accent); position: relative; isolation: isolate; background: var(--accent); width: min(100%, 445px); justify-self: center; align-self: center; padding: 18px 22px 16px; border: 1px solid var(--ink); }
.hero-art::before { content: ""; position: absolute; inset: 10px -9px -9px 10px; background: transparent; border: 1px solid var(--ink); z-index: -1; pointer-events: none; }
.art-top { color: var(--on-accent); display: flex; justify-content: space-between; border-bottom: 1px solid var(--on-accent); padding-bottom: 12px; font-size: 9px; }
.number-grid { display: grid; grid-template-columns: 1fr 1fr; padding-block: 12px; }
.number-cell { display: flex; align-items: center; justify-content: center; position: relative; height: 140px; overflow: hidden; }
.number-cell > span { font-family: var(--display); font-weight: 900; font-size: 168px; line-height: .88; letter-spacing: -13px; margin-left: -8px; }
.number-cell > i { font-family: var(--mono); font-size: 8px; font-style: normal; letter-spacing: .04em; position: absolute; bottom: 5px; left: 5px; }
.number-cell:nth-child(odd) { border-right: 1px solid rgb(255 255 255 / 40%); }
.number-cell:nth-child(-n+2) { border-bottom: 1px solid rgb(255 255 255 / 40%); }
.cell-zero-one > span { color: var(--accent); -webkit-text-stroke: 2px var(--on-accent); }
.cell-zero-two > span { font-style: italic; transform: rotate(-15deg); }
.cell-one > span { font-style: italic; padding-right: 16px; }
.art-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid var(--on-accent); }
.art-bottom .mono { line-height: 1.4; font-size: 9px; }
.art-seal { font-size: 33px; line-height: 1; }
.art-tag { position: absolute; bottom: 52px; right: -12px; padding: 8px 12px; background: var(--ink); color: var(--paper); transform: rotate(-7deg); font-size: 9px; }
.hero-footnote { display: flex; justify-content: space-between; padding-block: var(--space-5); border-block: 1px solid var(--ink); font-size: 8px; color: var(--muted); gap: 12px; }
.hero-footnote > span:last-child { display: none; }
/* Project collection */
.projects { padding-bottom: var(--space-16); }
.section-heading { display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-6); }
.section-heading h2 { font-size: 32px; line-height: 1.35; letter-spacing: -.055em; margin-top: var(--space-4); font-weight: 750; }
.section-intro { font-size: 12px; color: var(--muted); line-height: 1.9; }
.project-toolbar { margin-top: var(--space-8); margin-bottom: var(--space-6); display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: 44px; }
.filters { display: flex; gap: 4px; }
.filter { font-size: 11px; padding: 10px 14px; min-height: 44px; border-radius: var(--radius-full); border: 1px solid var(--line); display: flex; align-items: center; gap: var(--space-2); transition: background var(--motion); }
.filter > span { font-size: 9px; font-family: var(--mono); color: var(--muted); }
.filter:hover { background: var(--surface); }
.filter.is-active { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.filter.is-active > span { color: var(--on-accent); }
.project-count { color: var(--muted); font-size: 9px; margin-left: auto; white-space: nowrap; }
.project-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-10); }
.project-card { min-width: 0; }
.project-visual { position: relative; min-width: 0; height: 395px; overflow: hidden; border-radius: var(--radius-sm); }
.visual-label { position: absolute; inset: 17px 18px auto; display: flex; justify-content: space-between; gap: 10px; font-size: 7px; color: var(--muted); }
.visual-label > span:last-child { flex-shrink: 0; }
.visual-corner { position: absolute; right: 17px; bottom: 11px; font-size: 10px; color: var(--muted); }
.project-details { padding-block: 15px 0; }
.project-title-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.project-title-row h3 { font-size: 23px; letter-spacing: -.05em; font-weight: 750; }
.project-open { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; font-family: var(--display); font-size: 24px; transition: background var(--motion), border-color var(--motion), transform var(--motion); }
.project-open:hover { color: var(--on-accent); background: var(--accent); border-color: var(--ink); transform: rotate(6deg); }
.project-details > p { color: var(--muted); font-size: 12px; margin-top: 4px; letter-spacing: -.02em; }
.project-meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--line); color: var(--muted); }
.project-meta > span:first-child { font-size: 10px; }
.project-meta .mono { font-size: 9px; }
.mini-brand { font-size: 12px; font-weight: 750; letter-spacing: -.04em; }
.noscript-notice { padding: var(--space-4); background: var(--accent-quiet); font-size: 12px; margin-top: 16px; }
/* Studio principles */
.about { background: var(--ink); color: var(--paper); padding-block: var(--space-16); }
.about-layout { display: grid; gap: var(--space-12); }
.about .eyebrow { color: var(--dark-muted); }
.about h2 { font-size: 36px; line-height: 1.35; letter-spacing: -.05em; margin-top: var(--space-6); font-weight: 700; }
.about .period { color: var(--accent-light); }
.about-copy > p:not(.eyebrow) { margin-top: var(--space-6); color: var(--dark-muted); font-size: 12px; line-height: 1.95; }
.about-signature { display: inline-block; margin-top: var(--space-8); color: var(--accent-light); padding-bottom: 6px; border-bottom: 1px solid var(--accent-light); font-size: 11px; }
.principle { display: flex; align-items: flex-start; gap: var(--space-5); padding-block: var(--space-6); border-top: 1px solid var(--dark-line); }
.principle:last-child { border-bottom: 1px solid var(--dark-line); }
.principle-number { color: var(--dark-muted); padding-top: 3px; font-size: 10px; }
.principle h3 { font-size: 17px; line-height: 1.5; font-weight: 600; letter-spacing: -.04em; }
.principle p { font-size: 11px; line-height: 1.9; color: var(--dark-muted); margin-top: 10px; }
.principle-icon { margin-left: auto; color: var(--accent-light); font-size: 21px; line-height: 1.3; }
/* Contact and footer */
.contact-top { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); }
.contact-note { display: none; color: var(--muted); font-size: 11px; }
.contact-layout { display: grid; gap: var(--space-10); margin-top: var(--space-6); }
.contact h2 { font-size: 40px; letter-spacing: -.06em; line-height: 1.3; font-weight: 750; }
.contact-actions { align-self: end; min-width: 0; padding-bottom: 2px; }
.contact-email { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); padding-bottom: 16px; border-bottom: 1px solid var(--ink); font-family: var(--display); font-weight: 500; font-size: clamp(24px, 6.8vw, 35px); line-height: 1.35; letter-spacing: -.03em; }
.contact-email:hover { border-bottom-color: var(--muted); }
.contact-email:hover > span:last-child { transform: translate(3px, -3px); }
.contact-email > span:last-child { transition: transform var(--motion); font-size: 1.3em; }
.contact-secondary { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); min-height: 49px; font-size: 10px; color: var(--muted); }
.copy-email { display: flex; align-items: center; gap: 10px; font-size: 10px; min-height: 44px; padding: 0; }
.copy-email:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.copy-email > span { font-size: 15px; }
.copy-status { min-height: 24px; font-size: 10px; color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); padding-top: var(--space-8); padding-bottom: var(--space-6); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); padding-bottom: var(--space-8); }
.footer-brand .brand-number { font-size: 65px; letter-spacing: -5px; }
.footer-brand .brand-name { font-size: 19px; letter-spacing: 2px; gap: 9px; }
.footer-brand .brand-dot { width: 43px; height: 9px; }
.back-top { min-height: 44px; display: flex; gap: 16px; align-items: center; font-size: 8px; }
.back-top > span { font-size: 20px; }
.back-top:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6); justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding-top: var(--space-5); color: var(--muted); font-size: 9px; }
.footer-edition { font-size: 8px; }
.prototype-info { color: var(--muted); font-size: 9px; padding: 0; min-height: 44px; }
.prototype-info:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
/* Prototype notice */
.prototype-dialog { border: 1px solid var(--ink); padding: 28px; color: var(--ink); background: var(--paper); max-width: 540px; width: calc(100% - 36px); max-height: calc(100dvh - 40px); border-radius: var(--radius-md); }
.prototype-dialog::backdrop { background: rgb(14 30 61 / 58%); }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; }
.dialog-close { font-size: 30px; width: 44px; height: 44px; padding: 0; }
.prototype-dialog h2 { margin-top: 16px; font-size: 24px; letter-spacing: -.05em; line-height: 1.4; }
.prototype-dialog h3 { margin-top: 24px; font-size: 15px; }
.prototype-dialog p { margin-top: 16px; color: var(--muted); font-size: 12px; line-height: 1.9; }
.prototype-dialog .dialog-note { font-size: 10px; border-top: 1px solid var(--line); padding-top: 16px; }
.button-dark { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 18px; background: var(--ink); color: var(--paper); min-height: 44px; font-size: 12px; }
.dialog-confirm { margin-top: 24px; width: 100%; }
/* Progressive enhancement: navigation remains visible without JavaScript. */
@media (max-width: 699px) {
  .header-inner { gap: 0; }
  .site-nav { width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-block: 12px 20px; }
  .site-nav > a { padding: 8px 4px; min-height: 48px; }
  .site-nav .nav-contact { border: none; padding: 8px 4px; border-radius: 0; }
  .site-nav .nav-contact:hover { color: var(--ink); background: transparent; }
  [data-enhanced="true"] .site-nav { display: none; }
  [data-enhanced="true"] .site-nav.is-open { display: flex; }
}
@media (min-width: 430px) {
  :root { --gutter: 26px; }
  .hero-description { font-size: 13px; }
  .number-cell { height: 158px; }
  .number-cell > span { font-size: 190px; }
  .project-visual { height: 420px; }
}
@media (min-width: 700px) {
  :root { --gutter: 36px; }
  .menu-toggle { display: none; }
  .site-nav { gap: var(--space-6); }
  .header-inner { flex-wrap: nowrap; min-height: 86px; }
  .hero { padding-top: var(--space-10); }
  .edition-label { display: block; }
  .hero-layout { grid-template-columns: 1.25fr 1fr; gap: var(--space-12); padding-block: var(--space-10) var(--space-16); align-items: center; }
  .hero h1 { font-size: clamp(48px, 7vw, 76px); }
  .hero-art { padding: 16px 18px 12px; }
  .number-cell { height: 118px; }
  .number-cell > span { font-size: 142px; }
  .hero-bottom { margin-top: var(--space-6); }
  .hero-description { font-size: 11px; }
  .round-link { width: 40px; height: 40px; font-size: 20px; }
  .hero-footnote { font-size: 9px; }
  .hero-footnote > span:last-child { display: inline; }
  .section-space { padding-block: var(--space-20); }
  .section-heading { flex-direction: row; align-items: flex-end; }
  .section-heading h2 { font-size: 38px; }
  .section-intro { font-size: 12px; padding-bottom: 3px; }
  .project-toolbar { margin-top: var(--space-10); }
  .filter { padding-inline: 20px; font-size: 12px; }
  .project-count { font-size: 10px; }
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-6); row-gap: var(--space-12); }
  .project-visual { height: 380px; }
  .visual-label { font-size: 6px; inset-inline: 14px; }
  .project-details > p { font-size: 11px; }
  .project-title-row h3 { font-size: 23px; }
  .about { padding-block: var(--space-20); }
  .about-layout { grid-template-columns: 1fr 1fr; gap: var(--space-12); }
  .about h2 { font-size: 36px; }
  .principle { gap: var(--space-4); }
  .principle h3 { font-size: 16px; }
  .principle p { font-size: 10px; }
  .contact-note { display: block; }
  .contact-layout { grid-template-columns: 1.1fr 1fr; gap: var(--space-12); }
  .contact h2 { font-size: 45px; }
  .contact-email { font-size: 27px; }
  .footer-brand .brand-number { font-size: 78px; letter-spacing: -7px; }
}
@media (min-width: 1050px) {
  :root { --gutter: 56px; }
  .header-caption { display: block; color: var(--muted); font-size: 9px; margin-left: 24px; margin-right: auto; }
  .site-nav { gap: 32px; }
  .hero-layout { grid-template-columns: 1.4fr 1fr; gap: var(--space-24); padding-block: 48px 72px; }
  .hero h1 { font-size: clamp(76px, 7.4vw, 104px); line-height: 1.16; }
  .hero-description { font-size: 13px; }
  .hero-bottom { margin-top: 36px; }
  .round-link { width: 56px; height: 56px; font-size: 27px; }
  .hero-art { padding: 20px 26px 17px; max-width: 422px; justify-self: end; }
  .art-top { font-size: 9px; }
  .number-cell { height: 157px; }
  .number-cell > span { font-size: 190px; }
  .number-cell > i { font-size: 8px; }
  .art-bottom { padding-top: 12px; }
  .art-bottom .mono { font-size: 10px; }
  .art-tag { font-size: 10px; bottom: 57px; right: -13px; }
  .hero-footnote { font-size: 10px; padding-block: 22px; }
  .section-space { padding-block: var(--space-24); }
  .section-heading h2 { font-size: 45px; }
  .section-intro { font-size: 13px; }
  .project-grid { column-gap: var(--space-8); row-gap: 56px; }
  .project-visual { height: 440px; }
  .visual-label { font-size: 8px; inset: 21px 24px auto; }
  .visual-corner { right: 22px; bottom: 15px; }
  .mini-brand { font-size: 13px; }
  .project-details { padding-top: 19px; }
  .project-title-row h3 { font-size: 27px; }
  .project-details > p { font-size: 13px; margin-top: 5px; }
  .project-meta { margin-top: 20px; padding-top: 16px; }
  .project-meta > span:first-child { font-size: 11px; }
  .project-meta .mono { font-size: 10px; }
  .about { padding-block: var(--space-24); }
  .about-layout { grid-template-columns: 1fr 1fr; gap: var(--space-24); }
  .about h2 { font-size: 48px; }
  .about-copy > p:not(.eyebrow) { font-size: 13px; }
  .about-signature { margin-top: 44px; }
  .principle { padding-block: 24px; gap: 24px; }
  .principle h3 { font-size: 19px; }
  .principle p { font-size: 12px; }
  .principle-number { font-size: 11px; }
  .contact-layout { grid-template-columns: 1.15fr 1fr; gap: var(--space-24); margin-top: 32px; }
  .contact h2 { font-size: 60px; }
  .contact-email { font-size: 36px; }
  .contact-note { font-size: 12px; }
  .contact-secondary { font-size: 11px; }
  .copy-email { font-size: 11px; }
  .footer-top { padding-block: 6px 40px; }
  .footer-brand .brand-number { font-size: 100px; letter-spacing: -8px; }
  .footer-brand .brand-name { font-size: 27px; letter-spacing: 3px; gap: 14px; }
  .footer-brand .brand-dot { width: 60px; height: 12px; }
  .back-top { font-size: 10px; }
  .footer-bottom { font-size: 10px; }
  .footer-edition, .prototype-info { font-size: 9px; }
}
@media (min-width: 1400px) {
  .hero-layout { grid-template-columns: 1.4fr 1fr; gap: 116px; padding-block: 52px 76px; }
  .hero h1 { font-size: 104px; }
  .hero-art { max-width: 445px; }
  .number-cell { height: 172px; }
  .number-cell > span { font-size: 208px; }
  .hero-description { font-size: 15px; }
  .project-visual { height: 440px; }
}

/* Public-content edition: editorial panels, not screenshots or embedded applications. */
.hero-paths { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 14px; }
.hero-paths a { display: inline-flex; align-items: center; gap: 14px; min-height: 44px; color: var(--accent); font-size: 12px; font-weight: 600; }
.hero-paths a:hover { text-decoration: underline; text-underline-offset: 5px; }
.hero-paths a > span[aria-hidden] { font-size: 17px; }
.source-visual { display: flex; align-items: center; justify-content: center; padding: 44px 18px 28px; height: 426px; }
.source-visual .visual-label { font-size: 8px; }
.source-visual .visual-label > span:last-child { font-family: var(--font); font-size: 9px; letter-spacing: 0; }
.license-visual { background: var(--surface); }
.infosec-visual { background: var(--dark); }
.korean-visual { background: var(--sage); }
.flowdeck-visual { background: var(--stone); }
.page-panel { width: 100%; min-width: 0; max-width: 450px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--panel-shadow); }
.panel-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.mini-brand { font-size: 13px; font-weight: 750; letter-spacing: -.04em; }
.panel-label { font-size: 9px; color: var(--muted); white-space: nowrap; }
.panel-body { padding: 16px; }
.panel-kicker { color: var(--muted); font-size: 10px; }
.panel-title { font-size: 24px; font-weight: 750; letter-spacing: -.055em; line-height: 1.35; margin-top: 7px; }
.panel-title > span { color: var(--accent); }
.exam-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.exam-tags > span { background: var(--accent-quiet); color: var(--ink); border: 1px solid var(--line); border-radius: 4px; padding: 5px 7px; font-size: 10px; line-height: 1.45; }
.cbt-modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; border-top: 1px solid var(--line); margin-top: 18px; padding-top: 12px; }
.cbt-modes > div { display: flex; flex-direction: column; min-width: 0; }
.mode-number { font-size: 9px; color: var(--accent); }
.cbt-modes strong { font-size: 12px; margin-block: 3px; }
.cbt-modes div > span:last-child { font-size: 9px; color: var(--muted); word-break: keep-all; }
.panel-fineprint { font-size: 9px; color: var(--muted); margin-top: 13px; line-height: 1.6; word-break: keep-all; }
.infosec-visual .visual-label, .infosec-visual .visual-corner { color: var(--dark-muted); }
.infosec-panel { background: var(--dark-deep); color: var(--white); border-color: var(--dark-line); box-shadow: none; }
.infosec-panel .panel-top { border-color: var(--dark-line); }
.infosec-panel .panel-label, .infosec-panel .panel-kicker, .infosec-panel .panel-fineprint { color: var(--dark-muted); }
.curriculum-heading { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 5px; }
.curriculum-total { font-family: var(--display); font-size: 47px; font-weight: 800; letter-spacing: -.06em; line-height: 1.3; }
.curriculum-total > span { font-family: var(--mono); font-size: 9px; letter-spacing: .04em; font-weight: 400; color: var(--dark-muted); }
.level-count { color: var(--accent-light); border: 1px solid var(--dark-line); padding: 5px 7px; font-size: 9px; white-space: nowrap; }
.curriculum-list { margin-top: 10px; }
.curriculum-list > div { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding-block: 7px; border-top: 1px solid var(--dark-line); font-size: 11px; }
.level-number { color: var(--accent-light); font-size: 9px; }
.level-range { color: var(--dark-muted); font-size: 8px; }
.korean-metrics { display: flex; align-items: baseline; flex-wrap: wrap; gap: 5px 10px; margin-top: 10px; }
.korean-metrics strong { font-family: var(--display); font-size: 33px; line-height: 1.3; letter-spacing: -.045em; color: var(--accent); }
.korean-metrics strong > span { font-family: var(--font); font-size: 12px; font-weight: 500; letter-spacing: 0; }
.metric-caption { color: var(--muted); font-size: 8px; }
.language-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; margin-top: 10px; }
.language-tags > span:not(.language-caption) { font: 10px var(--mono); padding: 4px 6px; border: 1px solid var(--line); border-radius: 4px; }
.language-caption { color: var(--muted); font-size: 9px; margin-left: 4px; }
.review-track { display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--line); margin-top: 16px; padding-top: 13px; }
.review-title { margin-right: auto; font-size: 10px; color: var(--muted); }
.review-node { font-family: var(--display); font-size: 21px; font-weight: 700; color: var(--accent); line-height: 1; }
.review-node small { font-family: var(--font); font-size: 9px; font-weight: 400; color: var(--muted); padding-left: 2px; }
.review-track > i { font-style: normal; color: var(--muted); font-size: 12px; }
.flowdeck-panel { box-shadow: none; }
.version-label { color: var(--muted); font-size: 10px; padding-left: 4px; }
.record-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; }
.record-list > span { border-bottom: 1px solid var(--line); font-size: 11px; padding: 4px 7px; color: var(--muted); }
.login-note { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 22px; padding-block: 14px; }
.login-icon { width: 33px; height: 33px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: var(--accent-quiet); color: var(--accent); border-radius: 50%; font-size: 22px; }
.login-note strong { font-size: 11px; font-weight: 650; }
.login-note p { color: var(--muted); font-size: 9px; margin-top: 3px; }
.project-details > p { line-height: 1.85; font-size: 12px; }
.service-cta { display: inline-flex; align-items: center; gap: 20px; font-size: 12px; font-weight: 650; color: var(--accent); min-height: 44px; margin-top: 5px; }
.service-cta:hover { text-decoration: underline; text-underline-offset: 5px; }
.service-cta > span[aria-hidden] { font-size: 18px; }
.project-meta { margin-top: 6px; }
.support-card .service-cta { color: var(--ink); }
.source-note { display: flex; flex-direction: column; gap: 8px; color: var(--muted); margin-top: 36px; border-top: 1px solid var(--line); padding-top: 18px; font-size: 10px; line-height: 1.85; }
.source-note .mono { font-size: 9px; white-space: nowrap; }
.source-links { margin-top: 18px; }
.source-links a { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding: 8px 0; min-height: 44px; font-size: 12px; color: var(--accent); }
.source-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.source-links a:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 430px) {
  .source-visual { height: 440px; padding-inline: 24px; }
  .panel-body { padding: 20px; }
  .panel-title { font-size: 27px; }
  .exam-tags > span { font-size: 11px; }
}
@media (min-width: 700px) {
  .hero-paths { gap: 6px 14px; margin-top: 8px; }
  .hero-paths a { font-size: 11px; gap: 8px; }
  .source-visual { height: 445px; padding-inline: 15px; }
  .source-visual .visual-label { font-size: 6px; }
  .source-visual .visual-label > span:last-child { font-size: 8px; }
  .panel-top { padding: 12px 14px; }
  .panel-body { padding: 16px 14px; }
  .panel-title { font-size: 24px; }
  .exam-tags > span { font-size: 10px; }
  .language-caption { width: 100%; margin-top: 3px; margin-left: 0; }
  .project-details > p { font-size: 12px; }
}
@media (min-width: 1050px) {
  .hero-paths { gap: 22px; margin-top: 9px; }
  .hero-paths a { font-size: 13px; gap: 16px; }
  .source-visual { height: 480px; padding: 52px 34px 30px; }
  .source-visual .visual-label { font-size: 8px; }
  .source-visual .visual-label > span:last-child { font-size: 9px; }
  .panel-top { padding: 14px 22px; }
  .mini-brand { font-size: 15px; }
  .panel-label { font-size: 10px; }
  .panel-body { padding: 18px 24px; }
  .panel-kicker { font-size: 11px; }
  .panel-title { font-size: 29px; }
  .exam-tags > span { font-size: 11px; padding: 5px 9px; }
  .cbt-modes { margin-top: 18px; }
  .cbt-modes strong { font-size: 13px; }
  .cbt-modes div > span:last-child { font-size: 10px; }
  .panel-fineprint { font-size: 10px; }
  .curriculum-total { font-size: 51px; }
  .curriculum-total > span { font-size: 10px; }
  .level-count { font-size: 10px; }
  .curriculum-list > div { font-size: 13px; padding-block: 7px; gap: 12px; }
  .level-number, .level-range { font-size: 10px; }
  .korean-metrics strong { font-size: 37px; }
  .metric-caption { font-size: 9px; }
  .language-tags > span:not(.language-caption) { font-size: 11px; }
  .language-caption { width: auto; margin-top: 0; margin-left: 5px; }
  .review-title { font-size: 11px; }
  .review-track { gap: 12px; }
  .review-node { font-size: 24px; }
  .record-list > span { font-size: 12px; }
  .login-note strong { font-size: 13px; }
  .login-note p { font-size: 10px; }
  .project-details > p { font-size: 13px; }
  .service-cta { font-size: 13px; }
  .source-note { flex-direction: row; align-items: baseline; justify-content: space-between; font-size: 11px; }
}
@media (max-width: 359px) {
  .hero h1 { font-size: 44px; }
  .source-visual { padding-inline: 12px; height: 460px; }
  .source-visual .visual-label { inset-inline: 12px; font-size: 6px; }
  .source-visual .visual-label > span:last-child { font-size: 8px; }
  .panel-body { padding-inline: 13px; }
  .panel-top { padding-inline: 13px; }
  .panel-label { font-size: 8px; }
  .panel-title { font-size: 23px; }
  .curriculum-list > div { font-size: 10px; gap: 6px; }
  .curriculum-total { font-size: 43px; }
  .language-caption { width: 100%; margin-left: 0; }
  .project-count { font-size: 8px; }
  .filter { padding-inline: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media print {
  .site-header { position: static; }
  .menu-toggle, .filters, .copy-email, .prototype-info, .back-top, .round-link, .headline-arrow { display: none !important; }
  .hero-layout { padding-block: 24px; }
  .hero h1 { font-size: 48px; }
  .project-card { break-inside: avoid; }
  .project-visual { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .about { color: var(--ink); background: var(--white); }
  .about .eyebrow, .about-copy > p:not(.eyebrow), .principle p, .principle-number { color: var(--muted); }
}