/* ─────────────────────────────────────────────────────────────
   Plantrium — 매거진·에디토리얼 톤 커스텀 스타일
   사이드바(좌) + 본문(중) + 우측 매거진 메타·TOC 3분할 골격
   ───────────────────────────────────────────────────────────── */

:root {
  --paper: #F4EFE6;
  --paper-2: #EBE4D6;
  --ink: #1A1816;
  --ink-soft: #5C5448;
  --rule: #D7CFC0;
  --forest: #2F4A3A;
  --terracotta: #B0552F;
}

html { scroll-behavior: smooth; }
body { font-feature-settings: "kern" 1, "liga" 1, "calt" 1; }

/* 본문 안쪽 텍스트 디테일 */
.prose-body p { line-height: 1.85; letter-spacing: -0.01em; color: var(--ink); }
.prose-body p + p { margin-top: 1.1em; }

/* 영문은 Fraunces, 한글은 Hahmlet으로 자동 분기되는 헤딩 */
.headline {
  font-family: 'Fraunces', 'Hahmlet', serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.headline-ko {
  font-family: 'Hahmlet', 'Fraunces', serif;
  font-weight: 600;
  letter-spacing: -0.025em;
}

/* 매거진 메타 라벨 (eyebrow 작은 글씨) */
.eyebrow {
  font-family: 'Pretendard', sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}

/* 거대한 인용구 */
.pullquote {
  font-family: 'Fraunces', 'Hahmlet', serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1.5;
  color: var(--ink);
  border-left: 2px solid var(--terracotta);
  padding-left: 1.5rem;
}

/* 가는 구분선 */
hr.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0;
}

/* 사이드바 메뉴 링크 */
.side-link {
  display: block;
  font-family: 'Fraunces', 'Hahmlet', serif;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
  padding: 0.35rem 0;
  position: relative;
  transition: color 0.15s ease;
}
.side-link .ko {
  display: block;
  font-family: 'Pretendard', sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  font-weight: 400;
  text-transform: none;
  margin-top: 1px;
}
.side-link:hover { color: var(--forest); }
.side-link:hover .ko { color: var(--forest); }
.side-link.active { color: var(--forest); }
.side-link.active .ko { color: var(--forest); }
.side-link.active::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--forest);
  transform: translateY(-50%);
  border-radius: 50%;
}

/* 우측 TOC 항목 */
.toc-link {
  display: block;
  font-family: 'Pretendard', sans-serif;
  font-size: 12.5px;
  color: var(--ink-soft);
  letter-spacing: -0.005em;
  padding: 0.45rem 0;
  border-left: 1px solid var(--rule);
  padding-left: 0.85rem;
  transition: all 0.18s ease;
}
.toc-link:hover {
  color: var(--ink);
  border-left-color: var(--ink-soft);
}
.toc-link.active {
  color: var(--forest);
  border-left-color: var(--forest);
  font-weight: 500;
}

/* 분야 카드 (Cover의 4개 미니카드) */
.field-card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 1.75rem 1.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
  position: relative;
}
.field-card:hover {
  border-color: var(--forest);
  transform: translateY(-2px);
}
.field-card .num {
  font-family: 'Fraunces', serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--terracotta);
  letter-spacing: 0.05em;
}

/* 큰 숫자 (Archive 통계용) */
.stat-num {
  font-family: 'Fraunces', serif;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.04em;
  line-height: 1;
}

/* 작업 흐름 타임라인 — 세로 점·라인 */
.flow-step {
  position: relative;
  padding-left: 2.4rem;
  padding-bottom: 2rem;
}
.flow-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 0.6rem;
  bottom: -0.3rem;
  width: 1px;
  background: var(--rule);
}
.flow-step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--forest);
  border-radius: 50%;
}
.flow-step.active::after {
  background: var(--forest);
}

/* 모바일 햄버거 풀스크린 오버레이 */
#mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--paper);
  padding: 2rem 1.75rem;
  overflow-y: auto;
}
#mobile-overlay.open { display: block; }

/* 페이지 진입 fade-in (한번) */
.fade-in {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 폼 입력 */
.field-input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 0.75rem 0;
  font-family: 'Pretendard', sans-serif;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease;
}
.field-input:focus { border-bottom-color: var(--forest); }
.field-input::placeholder { color: var(--ink-soft); opacity: 0.6; }

textarea.field-input {
  resize: vertical;
  min-height: 140px;
  line-height: 1.7;
}

select.field-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='none' stroke='%235C5448' stroke-width='1.2' d='M1 1l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.25rem center;
  cursor: pointer;
}

/* 인용구 카드 (Archive 코멘트) */
.archive-card {
  border: 1px solid var(--rule);
  padding: 1.5rem 1.5rem 1.4rem;
  background: var(--paper);
}
.archive-card .meta {
  font-family: 'Pretendard', sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 500;
}
.archive-card .quote {
  font-family: 'Fraunces', 'Hahmlet', serif;
  font-style: italic;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  margin-top: 0.85rem;
}

/* 가로 바 (Archive 분야 비중) */
.bar-row {
  display: grid;
  grid-template-columns: 8rem 1fr 4rem;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule);
}
.bar-row .bar-track {
  height: 4px;
  background: var(--paper-2);
  position: relative;
  overflow: hidden;
}
.bar-row .bar-fill {
  position: absolute;
  inset: 0;
  background: var(--forest);
  width: 0;
  transition: width 1.2s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.bar-row.is-visible .bar-fill { width: var(--bar-w, 0%); }

/* CTA 박스 */
.cta-box {
  background: var(--paper-2);
  padding: 2.5rem 2rem;
  border: 1px solid var(--rule);
  position: relative;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--terracotta);
}

/* 모바일 인라인 TOC (작은 가로 캡션 역할) */
.mobile-toc {
  display: none;
  font-family: 'Pretendard', sans-serif;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.75rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}

/* 반응형 */
@media (max-width: 1024px) {
  /* 우측 TOC 숨기고 좌측만 (태블릿) */
  .col-toc { display: none; }
}
@media (max-width: 768px) {
  /* 사이드바 숨기고 모바일 헤더 + 햄버거 (모바일) */
  .col-side { display: none; }
  .mobile-toc { display: block; }
  .pullquote { font-size: 1.15rem; padding-left: 1rem; }
  .bar-row { grid-template-columns: 6rem 1fr 3.5rem; gap: 0.6rem; }
}

/* 스크롤바 살짝 정돈 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-soft); }

/* 접근성: 포커스 링 */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--forest);
  outline-offset: 3px;
}