:root {
  --bg: #f4f0e8;
  --bg-soft: #eae4d8;
  --surface: #f8f5ee;
  --surface-2: #e3ddd1;
  --line: #c9c0b2;
  --line-strong: #afa695;
  --text: #2f342f;
  --muted: #667066;
  --heading: #25312b;
  --olive: #6e7762;
  --olive-soft: #8b947c;
  --teal: #3e5a57;
  --rust: #8a6254;
  --metal: #8b857a;
  --glass: rgba(230, 238, 236, 0.55);
  --blue: #a7bdc2;
  --container: 1280px;
  --pad: clamp(20px, 5vw, 72px);
  --serif: "Noto Serif KR", "Nanum Myeongjo", "Times New Roman", serif;
  --sans: "Pretendard", "SUIT", "Noto Sans KR", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(47,52,47,.035) 1px, transparent 1px) 0 0 / 88px 88px,
    linear-gradient(rgba(47,52,47,.028) 1px, transparent 1px) 0 0 / 88px 88px;
  mix-blend-mode: multiply;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 76px;
  border-bottom: 1px solid rgba(201,192,178,.88);
  background: rgba(244, 240, 232, .88);
  backdrop-filter: blur(18px);
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  min-height: 76px;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  font-family: var(--serif);
  color: var(--heading);
  font-size: 22px;
  letter-spacing: 0;
  white-space: nowrap;
}
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--muted); }
.nav-links a[aria-current="page"] { color: var(--heading); border-bottom: 1px solid var(--heading); }
.icon-row { display: flex; align-items: center; gap: 8px; }
.icon-btn, .menu-toggle {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(248,245,238,.68);
  color: var(--heading);
  border-radius: 8px;
  cursor: pointer;
}
.menu-toggle { display: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: clamp(88px, 11vw, 150px) 0; border-bottom: 1px solid rgba(201,192,178,.7); }
.section.tight { padding: clamp(58px, 8vw, 104px) 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  color: var(--teal);
  font-size: 12px;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--teal);
}
h1, h2, h3 {
  font-family: var(--serif);
  color: var(--heading);
  margin: 0;
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(42px, 5.2vw, 70px); }
h2 { font-size: clamp(30px, 3.5vw, 48px); }
h3 { font-size: clamp(22px, 2vw, 28px); }
p { margin: 0; }
.lead { font-size: clamp(17px, 1.45vw, 20px); color: var(--muted); max-width: 680px; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--heading);
  border-radius: 6px;
  background: var(--heading);
  color: var(--surface);
  font-weight: 700;
}
.btn.secondary { background: transparent; color: var(--heading); }
.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(320px, 7fr);
  gap: clamp(72px, 8vw, 128px);
  align-items: center;
  padding-top: 72px;
  padding-bottom: 52px;
}
.hero-copy { display: grid; gap: 28px; align-content: center; }
.specimen-frame {
  position: relative;
  min-height: 620px;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}
.specimen-frame img { width: 100%; height: 100%; min-height: 620px; object-fit: cover; object-position: center; }
.specimen-label {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: min(210px, 45%);
  padding: 16px;
  border: 1px solid rgba(47,52,47,.28);
  background: rgba(248,245,238,.82);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.progress-track {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0;
  margin-top: 24px;
  border-top: 1px solid var(--line-strong);
}
.progress-track span {
  position: relative;
  padding-top: 16px;
  font-size: 12px;
  color: var(--muted);
}
.progress-track span::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--olive);
}
.declaration {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: start;
}
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.principle, .archive-card, .note-strip, .object-card, .filter-panel, .care-item {
  border: 1px solid var(--line);
  background: rgba(248,245,238,.68);
}
.principle { padding: 24px; min-height: 132px; }
.principle b, .archive-card b, .note-strip b { display: block; color: var(--heading); margin-bottom: 10px; }
.process {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.step {
  min-height: 170px;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.step:nth-child(1), .step:nth-child(4), .step:nth-child(7) { grid-column: span 3; }
.step:nth-child(2), .step:nth-child(3), .step:nth-child(5), .step:nth-child(6) { grid-column: span 2; }
.step small { font-family: var(--mono); color: var(--rust); }
.step img { margin-top: 16px; width: 100%; height: 88px; object-fit: cover; filter: saturate(.8); }
.signature {
  display: grid;
  grid-template-columns: 5fr 2fr 5fr;
  gap: 28px;
  align-items: center;
}
.signature img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border: 1px solid var(--line); }
.diagram {
  min-height: 420px;
  display: grid;
  place-items: center;
  color: var(--teal);
}
.diagram svg { width: 100%; height: 100%; max-height: 420px; }
.archive-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 34px;
  align-items: stretch;
}
.archive-layout > img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; border: 1px solid var(--line); }
.archive-list { display: grid; gap: 16px; }
.archive-card {
  display: grid;
  grid-template-columns: 90px 1fr 120px;
  gap: 20px;
  align-items: center;
  padding: 22px;
}
.status { font-family: var(--mono); color: var(--rust); font-size: 12px; }
.atlas {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 32px;
  align-items: center;
}
.atlas > img { border: 1px solid var(--line); aspect-ratio: 3 / 2; width: 100%; object-fit: cover; }
.filter-panel { padding: 28px; display: grid; gap: 24px; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; color: var(--muted); }
.tab.active { background: var(--teal); color: var(--surface); border-color: var(--teal); }
.objects {
  display: grid;
  grid-template-columns: 1.15fr .85fr 1fr;
  gap: 28px;
  align-items: end;
}
.object-card { overflow: hidden; }
.object-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.object-card.tall img { aspect-ratio: 4 / 5; }
.object-card div { padding: 22px; }
.journal-list { display: grid; gap: 16px; }
.note-strip {
  display: grid;
  grid-template-columns: 220px 1fr 120px;
  gap: 24px;
  align-items: center;
  padding: 14px;
}
.note-strip img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.closing {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}
.site-footer {
  padding: 44px var(--pad);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.footer-inner { max-width: var(--container); margin: 0 auto; display: grid; gap: 20px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.page-hero {
  padding: 98px 0 72px;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: end;
}
.page-hero img { width: 100%; max-height: 520px; object-fit: cover; border: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
.records { display: grid; gap: 22px; }
.record {
  display: grid;
  grid-template-columns: 140px 1fr 220px;
  gap: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.record img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.specimen-path { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.specimen-card { border: 1px solid var(--line); background: var(--surface); padding: 20px; }
.specimen-card:nth-child(1) { grid-column: span 7; }
.specimen-card:nth-child(2) { grid-column: span 5; transform: translateY(48px); }
.specimen-card:nth-child(3) { grid-column: 3 / span 5; }
.specimen-card:nth-child(4) { grid-column: span 4; }
.specimen-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; margin-bottom: 18px; }
.care-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.care-item { padding: 28px; }
.care-item ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }

@media (max-width: 980px) {
  .menu-toggle { display: inline-grid; }
  .nav-links {
    position: absolute;
    inset: 76px 0 auto 0;
    display: none;
    padding: 20px var(--pad) 28px;
    background: rgba(244,240,232,.96);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .hero, .declaration, .signature, .archive-layout, .atlas, .page-hero, .split, .closing {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; padding-top: 52px; }
  .specimen-frame, .specimen-frame img { min-height: 420px; }
  .principles, .objects, .care-grid { grid-template-columns: 1fr; }
  .step, .step:nth-child(n) { grid-column: span 6; }
  .archive-card, .note-strip, .record { grid-template-columns: 1fr; }
  .specimen-card:nth-child(n) { grid-column: span 12; transform: none; }
}

@media (max-width: 620px) {
  h1 { font-size: 40px; }
  .progress-track { grid-template-columns: 1fr; gap: 8px; border-top: 0; }
  .progress-track span { border-left: 1px solid var(--line); padding: 4px 0 4px 18px; }
  .progress-track span::before { top: 13px; left: -5px; }
  .step, .step:nth-child(n) { grid-column: span 12; }
  .site-header, .nav { min-height: 68px; }
  .nav-links { inset-top: 68px; }
}

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