@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@500;600;700&display=swap');

:root {
  --tr-bg: #f7f3eb;
  --tr-surface: #ffffff;
  --tr-ink: #1d2822;
  --tr-muted: #69766e;
  --tr-line: #d7ddd7;
  --tr-pine: #284937;
  --tr-pine-dark: #183126;
  --tr-clay: #b7684b;
  --tr-brass: #c69a3a;
  --tr-header: 78px;
  --tr-container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--tr-bg);
  color: var(--tr-ink);
  font-family: Pretendard, "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
button, a { font: inherit; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.35; word-break: keep-all; }
p { word-break: keep-all; }

.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;
}
.container { width: min(var(--tr-container), calc(100% - 64px)); margin: 0 auto; }
.section { padding: 112px 0; }
.section-sm { padding: 76px 0; }
.section-white { background: var(--tr-surface); }
.section-pine { background: var(--tr-pine); color: #ffffff; }
.section-ink { background: var(--tr-ink); color: #ffffff; }
.section-head { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 72px; margin-bottom: 54px; }
.section-head.compact { margin-bottom: 36px; }
.section-head h2 { max-width: 820px; margin-bottom: 0; font-family: "Noto Serif KR", serif; font-size: 44px; font-weight: 600; }
.section-head .head-copy { max-width: 650px; }
.section-head .head-copy h2 { margin-bottom: 20px; }
.section-head .head-copy p { margin-bottom: 0; color: var(--tr-muted); font-size: 18px; }
.eyebrow { margin-bottom: 16px; color: var(--tr-clay); font-size: 13px; font-weight: 700; text-transform: uppercase; }
.section-pine .eyebrow, .section-ink .eyebrow { color: #e7c36a; }
.muted { color: var(--tr-muted); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--tr-header);
  background: rgba(247, 243, 235, 0.96);
  border-bottom: 1px solid var(--tr-line);
  backdrop-filter: blur(12px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brandmark { display: inline-flex; align-items: center; min-height: 44px; font-family: "Noto Serif KR", serif; font-size: 24px; font-weight: 700; }
.desktop-nav { display: flex; align-items: center; gap: 30px; }
.desktop-nav a { min-height: 44px; display: inline-flex; align-items: center; color: #35433b; font-size: 15px; font-weight: 500; }
.desktop-nav > a:not(.nav-cta) { min-width: 44px; justify-content: center; }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .desktop-nav a.active { color: var(--tr-clay); }
.desktop-nav .nav-cta { min-height: 46px; padding: 0 18px; background: var(--tr-pine); color: #ffffff; font-weight: 650; }
.desktop-nav .nav-cta:hover, .desktop-nav .nav-cta:focus-visible { background: var(--tr-pine-dark); color: #ffffff; }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 1px solid var(--tr-line); background: transparent; align-items: center; justify-content: center; cursor: pointer; }
.mobile-nav { display: none; }

.tr-icon { display: inline-flex; width: 20px; height: 20px; flex: 0 0 auto; align-items: center; justify-content: center; line-height: 0; }
.tr-icon > svg { display: block; width: 20px; height: 20px; margin: 0; }

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  min-height: 50px;
  padding: 0 21px;
  border: 1px solid var(--tr-pine);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: transparent;
  color: var(--tr-pine);
  font-size: 15px;
  font-weight: 650;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}
.btn-primary { background: var(--tr-pine); color: #ffffff; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--tr-pine-dark); border-color: var(--tr-pine-dark); }
.btn-ghost-light { border-color: rgba(255,255,255,.75); color: #ffffff; }
.btn-ghost-light:hover, .btn-ghost-light:focus-visible { background: #ffffff; color: var(--tr-pine-dark); }
.text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; border-bottom: 1px solid currentColor; font-weight: 650; }

a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--tr-clay); outline-offset: 4px; }

.fact-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--tr-line); border-bottom: 1px solid var(--tr-line); }
.fact-item { min-height: 128px; padding: 27px 24px; border-left: 1px solid var(--tr-line); }
.fact-item:first-child { border-left: 0; }
.fact-label { display: flex; align-items: center; gap: 8px; margin-bottom: 13px; color: var(--tr-muted); font-size: 13px; }
.fact-item strong { display: block; font-size: 18px; line-height: 1.55; }
.fact-note { margin: 18px 0 0; color: var(--tr-muted); font-size: 13px; }

.principle-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--tr-line); }
.principle { padding: 34px 34px 10px 0; border-right: 1px solid var(--tr-line); }
.principle + .principle { padding-left: 34px; }
.principle:last-child { border-right: 0; }
.principle .number { display: block; margin-bottom: 24px; color: var(--tr-clay); font-size: 13px; font-weight: 700; }
.principle h3 { margin-bottom: 14px; font-size: 22px; }
.principle p { margin-bottom: 0; color: var(--tr-muted); }

.timeline-list { border-top: 1px solid var(--tr-line); }
.timeline-item { display: grid; grid-template-columns: 150px 120px minmax(0,1fr); gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--tr-line); align-items: start; }
.timeline-item .day { color: var(--tr-clay); font-size: 13px; font-weight: 700; }
.timeline-item .time { font-weight: 650; }
.timeline-item h3 { margin-bottom: 7px; font-size: 20px; }
.timeline-item p { margin-bottom: 0; color: var(--tr-muted); }

.host-layout { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); gap: 82px; align-items: center; }
.host-media { margin: 0; }
.host-media img { width: 100%; height: 610px; object-fit: cover; border-radius: 2px; }
.media-caption { margin-top: 10px; color: var(--tr-muted); font-size: 12px; }
.host-copy h2 { margin-bottom: 26px; font-family: "Noto Serif KR", serif; font-size: 44px; font-weight: 600; }
.host-copy p { margin-bottom: 20px; color: var(--tr-muted); font-size: 18px; }
.history-list { margin: 34px 0; padding: 0; list-style: none; border-top: 1px solid var(--tr-line); }
.history-list li { display: grid; grid-template-columns: 96px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--tr-line); }
.history-list strong { color: var(--tr-clay); }

.assurance-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 1px; background: rgba(255,255,255,.2); }
.assurance-item { min-height: 230px; padding: 30px 24px; background: var(--tr-pine); }
.assurance-item .tr-icon { color: #e7c36a; margin-bottom: 25px; }
.assurance-item h3 { margin-bottom: 12px; font-size: 19px; }
.assurance-item p { margin-bottom: 0; color: #dce5df; font-size: 14px; }

.archive-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.archive-card { display: block; min-width: 0; }
.archive-media { position: relative; aspect-ratio: 4/3; overflow: hidden; border-radius: 4px; background: #dfe3de; }
.archive-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 220ms ease; }
.archive-card:hover .archive-media img { transform: scale(1.025); }
.archive-copy { padding: 19px 2px 0; }
.archive-copy small { display: block; margin-bottom: 7px; color: var(--tr-clay); font-weight: 650; }
.archive-copy h3 { margin-bottom: 8px; font-size: 20px; }
.archive-copy p { margin-bottom: 0; color: var(--tr-muted); font-size: 14px; }

.faq-list { border-top: 1px solid var(--tr-line); }
.faq-list details { border-bottom: 1px solid var(--tr-line); }
.faq-list summary { min-height: 72px; padding: 20px 52px 20px 0; display: flex; align-items: center; position: relative; cursor: pointer; font-size: 18px; font-weight: 650; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-size: 25px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { max-width: 820px; padding: 0 0 25px; color: var(--tr-muted); }

.closing { background: var(--tr-clay); color: #ffffff; }
.closing-inner { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 60px; align-items: center; }
.closing h2 { max-width: 780px; margin-bottom: 14px; font-family: "Noto Serif KR", serif; font-size: 40px; font-weight: 600; }
.closing p { margin-bottom: 0; color: #faeae3; }
.closing .btn-primary { background: #ffffff; border-color: #ffffff; color: var(--tr-clay); }

.page-hero { padding: 92px 0 78px; border-bottom: 1px solid var(--tr-line); }
.page-hero-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 72px; align-items: end; }
.page-hero h1 { max-width: 840px; margin-bottom: 18px; font-family: "Noto Serif KR", serif; font-size: 58px; font-weight: 600; }
.page-hero p { max-width: 680px; margin-bottom: 0; color: var(--tr-muted); font-size: 18px; }
.story-timeline { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--tr-line); }
.story-step { padding: 31px 26px 10px 0; border-right: 1px solid var(--tr-line); }
.story-step + .story-step { padding-left: 26px; }
.story-step:last-child { border-right: 0; }
.story-step strong { display: block; margin-bottom: 20px; color: var(--tr-clay); }
.story-step h3 { margin-bottom: 13px; font-size: 21px; }
.story-step p { margin-bottom: 0; color: var(--tr-muted); font-size: 15px; }
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.fit-panel { padding: 34px; border: 1px solid var(--tr-line); border-radius: 6px; background: var(--tr-surface); }
.fit-panel h3 { margin-bottom: 18px; font-size: 22px; }
.check-list { margin: 0; padding: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; padding: 9px 0; color: var(--tr-muted); }
.check-list .tr-icon { width: 18px; height: 18px; margin-top: 4px; color: var(--tr-clay); }
.check-list .tr-icon > svg { width: 18px; height: 18px; }
.program-lead { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 64px; align-items: center; }
.program-lead figure { margin: 0; }
.program-lead img { width: 100%; height: 480px; object-fit: cover; border-radius: 3px; }
.program-copy h2 { margin-bottom: 24px; font-family: "Noto Serif KR", serif; font-size: 42px; }
.program-copy p { color: var(--tr-muted); font-size: 18px; }
.application-box { padding: 54px; border: 1px solid var(--tr-line); background: var(--tr-surface); }
.application-box h2 { margin-bottom: 16px; font-family: "Noto Serif KR", serif; font-size: 36px; }
.application-box p { max-width: 720px; color: var(--tr-muted); }

.site-footer { padding: 58px 0 42px; background: var(--tr-pine-dark); color: #ffffff; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 60px; align-items: start; }
.footer-brand { font-family: "Noto Serif KR", serif; font-size: 25px; font-weight: 700; }
.footer-copy { max-width: 420px; margin: 13px 0 0; color: #bfcac3; font-size: 14px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.footer-nav a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; color: #dce5df; font-size: 14px; }
.footer-meta { text-align: right; color: #9fb0a5; font-size: 13px; }
.demo-notice { padding: 13px 24px; background: #101713; color: #aeb8b1; text-align: center; font-size: 11px; line-height: 1.6; }

@media (max-width: 1024px) {
  .container { width: min(var(--tr-container), calc(100% - 44px)); }
  .section { padding: 88px 0; }
  .section-head, .page-hero-grid { grid-template-columns: 170px minmax(0,1fr); gap: 44px; }
  .fact-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .fact-item:nth-child(4) { border-left: 0; border-top: 1px solid var(--tr-line); }
  .fact-item:nth-child(5) { border-top: 1px solid var(--tr-line); }
  .assurance-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .assurance-item:nth-child(n+4) { border-top: 1px solid rgba(255,255,255,.2); }
  .host-layout { gap: 50px; }
  .host-media img { height: 530px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-meta { grid-column: 1/-1; text-align: left; }
}

@media (max-width: 768px) {
  :root { --tr-header: 68px; }
  .container { width: min(100% - 32px, 620px); }
  .section { padding: 72px 0; }
  .section-sm { padding: 58px 0; }
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-nav { position: fixed; inset: var(--tr-header) 0 0; z-index: 49; padding: 24px 16px; background: var(--tr-bg); }
  .mobile-nav.open { display: block; }
  .mobile-nav a { min-height: 56px; padding: 0 12px; border-bottom: 1px solid var(--tr-line); display: flex; align-items: center; justify-content: space-between; font-size: 18px; font-weight: 600; }
  .mobile-nav .nav-cta { margin-top: 18px; justify-content: center; background: var(--tr-pine); color: #ffffff; border: 0; }
  .section-head, .page-hero-grid { grid-template-columns: 1fr; gap: 20px; margin-bottom: 38px; }
  .section-head h2 { font-size: 32px; }
  .section-head .head-copy p { font-size: 16px; }
  .fact-grid { grid-template-columns: 1fr 1fr; }
  .fact-item { min-height: 104px; padding: 21px 16px; border-top: 1px solid var(--tr-line); }
  .fact-item:nth-child(odd) { border-left: 0; }
  .fact-item:nth-child(-n+2) { border-top: 0; }
  .fact-item:nth-child(4) { border-left: 1px solid var(--tr-line); }
  .fact-item:last-child { grid-column: 1/-1; border-left: 0; }
  .principle-grid, .story-timeline { grid-template-columns: 1fr; }
  .principle, .principle + .principle, .story-step, .story-step + .story-step { padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--tr-line); }
  .timeline-item { grid-template-columns: 72px 1fr; gap: 10px 18px; }
  .timeline-item .day { grid-row: 1/3; }
  .timeline-item .time { grid-column: 2; }
  .timeline-item > div:last-child { grid-column: 2; }
  .host-layout, .program-lead { grid-template-columns: 1fr; gap: 38px; }
  .host-media img, .program-lead img { height: 430px; }
  .host-copy h2, .program-copy h2 { font-size: 32px; }
  .host-copy p, .program-copy p { font-size: 16px; }
  .assurance-grid { grid-template-columns: 1fr; background: transparent; }
  .assurance-item { min-height: auto; padding: 25px 0; border-top: 1px solid rgba(255,255,255,.2); }
  .archive-grid { grid-template-columns: 1fr; gap: 34px; }
  .closing-inner { grid-template-columns: 1fr; gap: 30px; }
  .closing h2 { font-size: 31px; }
  .page-hero { padding: 66px 0 58px; }
  .page-hero h1 { font-size: 39px; }
  .page-hero p { font-size: 16px; }
  .fit-grid { grid-template-columns: 1fr; gap: 16px; }
  .application-box { padding: 30px 22px; }
  .application-box h2 { font-size: 29px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-meta { grid-column: auto; }
  .demo-notice { padding: 13px 16px; text-align: left; }
}

@media (max-width: 390px) {
  .btn { width: 100%; }
  .fact-item strong { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}