/* BRANLUMI 고객 사이트 — 정적 다중 페이지 공통 스타일.
   외부 폰트/CDN/이미지 없음. 시스템 폰트 스택만 사용. CSP(style-src 'self') 안에서만 동작한다. */

:root {
  color-scheme: light;

  --color-bg: #FAF8F5;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1ECE3;
  --color-primary: #4C2F80;
  --color-primary-dark: #37225E;
  --color-primary-soft: #E9E2F4;
  --color-text: #241A33;
  --color-text-soft: #4A3D5C;
  --color-accent: #E7A23B;
  --color-accent-dark: #8A5A12;
  --color-accent-soft: #FBEFD9;
  --color-border: #DCD3E6;
  --color-focus: #1F1430;
  --color-focus-on-dark: #FCE8C4;
  --color-flag-text: #6B4408;
  --color-check-bg: #FDF1E3;
  --color-check-text: #7A3A06;

  --radius: 12px;
  --shadow-soft: 0 1px 0 var(--color-border), 0 8px 24px rgba(36, 26, 51, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", Roboto, "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: anywhere;
  min-width: 320px;
}

h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.35;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 4.2vw, 2.8rem); letter-spacing: -0.01em; }

/* 홈 히어로 h1 은 2단 그리드의 절반 폭에 들어가므로 넓은 화면에서 좁은 컬럼 폭에 맞춰
   글자 크기를 별도로 낮춘다(모바일은 위 h1 규칙의 최소값 1.9rem 그대로 자연 줄바꿈). */
.hero-home #hero-heading { font-size: clamp(1.9rem, 2.6vw, 2.15rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; color: var(--color-text); }

p { margin: 0 0 1em; }

a { color: var(--color-primary); }

ul, ol { padding-left: 1.2em; }

img, svg { max-width: 100%; }

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

.section-inner-narrow { max-width: 780px; }

.section-alt { background: var(--color-surface); }
.section-warm { background: var(--color-surface-alt); }

.section-head { max-width: 760px; margin-bottom: 2rem; }
.section-head p { color: var(--color-text-soft); font-size: 1.05rem; }

.kicker {
  display: inline-block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
}

.note {
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 초점 표시 */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

/* skip link */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  z-index: 200;
  transition: top 0.15s ease;
}

.skip-link:focus { top: 1rem; }

/* 헤더 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.97);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark-bran { color: var(--color-primary); }
.wordmark-lumi { color: var(--color-accent-dark); }

.site-nav { flex: 1 1 auto; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  font-weight: 600;
  color: var(--color-text-soft);
  border-bottom: 3px solid transparent;
}

.site-nav a:hover { color: var(--color-primary); }

.site-nav a[aria-current] {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

/* 앵커 대상 스크롤 여백(sticky 헤더 가림 방지) */
section[id], [id]:target, .step-anchor {
  scroll-margin-top: 5.5rem;
}

/* 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover { background: var(--color-surface-alt); }

.btn-small { padding: 0.5rem 1.1rem; font-size: 0.95rem; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.6rem 0 0;
}

/* 화살표 텍스트 링크(목적이 라벨로 구분되는 이동 링크) */
.go-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.go-link::after {
  content: "→";
  text-decoration: none;
}

/* 문의 슬롯 — contact 가 설정되지 않으면 hidden 상태로 아무것도 보이지 않는다 */
.contact-slot[hidden] { display: none; }
.contact-slot { margin: 0; }

/* 설명용 가상 사례·화면 예시 표시(색만이 아니라 글자로) */
.case-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 2px dashed var(--color-accent-dark);
  background: var(--color-accent-soft);
  color: var(--color-flag-text);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  margin: 0 0 0.9rem;
}

.case-flag::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-accent-dark);
  flex: none;
}

/* 작업 상태 표시(업무 상태 — 확인 필요/초안/승인 대기 등) */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.12rem 0.6rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  white-space: nowrap;
  line-height: 1.5;
}

.tag-check { background: var(--color-check-bg); color: var(--color-check-text); border-color: var(--color-check-text); }
.tag-draft { background: var(--color-accent-soft); color: var(--color-flag-text); border-color: var(--color-accent-dark); }
.tag-approved { background: var(--color-primary-soft); color: var(--color-primary-dark); border-color: var(--color-primary); }
.tag-wait { background: var(--color-surface); color: var(--color-text-soft); border-color: var(--color-text-soft); }
.tag-none { background: var(--color-surface-alt); color: var(--color-text); border-color: var(--color-text-soft); border-style: dashed; }

/* 위치 표시(브레드크럼) */
.breadcrumb {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  font-size: 0.95rem;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 0.4rem;
}

.breadcrumb li { display: inline-flex; align-items: center; gap: 0.4rem; }

.breadcrumb li + li::before {
  content: "›";
  color: var(--color-text-soft);
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-text-soft);
}

.breadcrumb [aria-current] { color: var(--color-text); font-weight: 600; }

/* =============== 홈: 첫 화면 =============== */
.hero-home .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 3rem;
  align-items: center;
  padding-top: 3.5rem;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-text-soft);
  max-width: 600px;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
  display: grid;
  gap: 0.55rem;
}

.hero-points li {
  position: relative;
  padding-left: 1.9rem;
  font-weight: 600;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 4px;
  background: var(--color-primary);
  box-shadow: inset 0 0 0 4px var(--color-primary-soft);
}

/* 첫 화면 산출물 미리보기 — 연결된 4개 조각 */
.preview {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 1.3rem;
  box-shadow: var(--shadow-soft);
}

.preview-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.preview-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.2rem 0.9rem;
  padding: 0.75rem 0;
}

.preview-item + .preview-item { border-top: 1px dashed var(--color-border); }

.preview-icon {
  grid-row: span 2;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.preview-title { font-weight: 700; color: var(--color-text); }
.preview-body { font-size: 0.95rem; color: var(--color-text-soft); display: flex; flex-wrap: wrap; gap: 0.3rem 0.5rem; align-items: center; }

.preview figcaption {
  margin-top: 0.8rem;
  font-size: 0.92rem;
  color: var(--color-text-soft);
}

/* =============== 홈: 고객 상황 =============== */
.audience {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.audience li {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-weight: 700;
  border-radius: 999px;
  padding: 0.35rem 0.95rem;
}

.situation-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--color-primary);
}

.situation-list > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 0.5rem 2.5rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--color-border);
}

.situation-list h3 { margin-bottom: 0.3rem; }
.situation-list .situation-quote { color: var(--color-text-soft); margin: 0; }
.situation-answer { margin: 0; padding-left: 1.1rem; border-left: 4px solid var(--color-accent); }
.situation-answer strong { color: var(--color-primary); }

/* =============== 홈: 세 가지 서비스 =============== */
.service-panels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.service-panel {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 6px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1rem;
}

.service-panel:nth-child(2) { border-top-color: var(--color-accent); }
.service-panel:nth-child(3) { border-top-color: var(--color-primary-dark); }

.service-num {
  font-weight: 800;
  color: var(--color-accent-dark);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.service-question {
  font-style: normal;
  color: var(--color-text-soft);
  background: var(--color-surface);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  margin: 0 0 1rem;
}

.service-panel ul { margin: 0 0 1rem; padding-left: 1.1em; }
.service-panel li { margin-bottom: 0.35rem; }
.service-panel .go-link { margin-top: auto; }

.inputs-callout {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  background: var(--color-surface-alt);
}

.inputs-callout p { margin: 0; }

/* =============== 홈·플랫폼: 연결 구조 체인 =============== */
.chain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 0;
  counter-reset: chain;
}

.chain li {
  counter-increment: chain;
  display: inline-flex;
  align-items: center;
}

.chain li > span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary-dark);
  font-weight: 700;
  border-radius: 999px;
  padding: 0.45rem 0.95rem 0.45rem 0.5rem;
}

.chain li > span::before {
  content: counter(chain);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.85rem;
}

.chain li:not(:last-child)::after {
  content: "→";
  color: var(--color-accent-dark);
  font-weight: 800;
  margin: 0 0.55rem;
}

.chain li.chain-loop > span {
  border-style: dashed;
  background: var(--color-accent-soft);
}

.loop-note {
  margin-top: 1.2rem;
  color: var(--color-text-soft);
}

/* =============== 홈: 예시 요약 타임라인 =============== */
.mini-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2.5rem;
}

.mini-timeline li {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0 0.8rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
}

.mini-timeline .step-no {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mini-timeline strong { display: block; color: var(--color-primary); }
.mini-timeline p { margin: 0; color: var(--color-text-soft); }

/* =============== 역할 대비(AI / 사람) =============== */
.role-compare {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.role-compare-head,
.role-compare li {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr) minmax(0, 1fr);
}

.role-compare-head {
  font-weight: 800;
  background: var(--color-surface-alt);
}

.role-compare-head > span,
.role-compare li > * {
  padding: 0.9rem 1.1rem;
  margin: 0;
}

.role-compare li { border-top: 1px solid var(--color-border); }
.role-compare h3 { font-size: 1.05rem; }
.role-ai { background: var(--color-primary-soft); }
.role-human { background: var(--color-accent-soft); }
.role-label { display: none; font-weight: 800; font-size: 0.9rem; }

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.col-box {
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--color-border);
}

.col-box ul { margin: 0; padding-left: 1.1em; }
.col-box li { margin-bottom: 0.45rem; }
.col-ai { background: var(--color-primary-soft); }
.col-human { background: var(--color-accent-soft); border-color: var(--color-accent-dark); }
.col-box h3 { color: var(--color-text); }

/* =============== 이용 방식 =============== */
.modes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.modes > li { padding: 1.4rem; }
.modes > li + li { border-left: 1px solid var(--color-border); }

.modes dl { margin: 0; }
.modes + .note { margin-top: 1rem; }
.modes dt { font-weight: 800; color: var(--color-text-soft); font-size: 0.92rem; margin-top: 0.8rem; }
.modes dd { margin: 0.15rem 0 0; }

/* =============== 차별 비교 =============== */
.diff-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.diff-rows li {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr) minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.diff-rows h3 {
  margin: 0;
  padding: 1rem 1.1rem;
  font-size: 1.05rem;
  background: var(--color-primary);
  color: #fff;
}

.diff-rows p { margin: 0; padding: 1rem 1.1rem; }
.diff-before { color: var(--color-text-soft); }
.diff-after { background: var(--color-primary-soft); }
.diff-rows .diff-label { display: block; font-weight: 800; font-size: 0.88rem; color: var(--color-text-soft); }

/* =============== 이름·원칙 =============== */
.name-combo { font-weight: 700; font-size: 1.05rem; }

.principles {
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.principles li {
  padding: 0.8rem 1rem;
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 10px 10px 0;
}

.vision {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* =============== FAQ =============== */
.faq-list details {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 0.6rem 1.2rem;
  margin-bottom: 0.8rem;
  background: var(--color-surface);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.faq-list details p { margin-top: 0.5rem; margin-bottom: 0.5rem; }

.next-links {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem 1.4rem;
}

.next-links li { border-bottom: 1px solid var(--color-border); }
.next-links a { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.2rem 0.6rem; min-height: 56px; text-decoration: none; font-weight: 700; padding: 0.5rem 0; }
.next-links a::after { content: "→"; color: var(--color-accent-dark); }
.next-links a span { display: block; font-weight: 400; color: var(--color-text-soft); font-size: 0.95rem; flex-basis: 100%; order: 2; }

/* 마무리 띠 */
.closing {
  background: var(--color-primary);
  color: #fff;
}

.closing h2 { color: #fff; }
.closing p { color: #EFE7FA; }
.closing .btn-primary { background: #fff; color: var(--color-primary); }
.closing .btn-primary:hover { background: var(--color-focus-on-dark); }
.closing .btn-secondary { color: #fff; border-color: #fff; }
.closing .btn-secondary:hover { background: rgba(255, 255, 255, 0.12); }
.closing a:focus-visible { outline-color: var(--color-focus-on-dark); }
.closing .contact-slot a { color: #fff; }

/* =============== 상세 공통: 페이지 머리 =============== */
.page-hero .section-inner { padding-top: 1.5rem; padding-bottom: 3rem; }
.page-hero .hero-lead { max-width: 720px; }

.lead-question {
  margin: 1.4rem 0 0;
  max-width: 720px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-surface);
  border-left: 6px solid var(--color-accent);
  border-radius: 0 12px 12px 0;
  padding: 1rem 1.2rem;
}

.lead-question-label { display: block; font-size: 0.9rem; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 0.2rem; }

/* 페이지 내 목차 */
.toc {
  margin-top: 1.8rem;
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.toc a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.3rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  text-decoration: none;
  font-weight: 600;
}

.toc a:hover { border-color: var(--color-primary); }
.toc-no { font-weight: 800; color: var(--color-accent-dark); }

/* 입력 자료 목록(체크리스트형) */
.input-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem 1.6rem;
}

.input-list li {
  position: relative;
  padding: 0.2rem 0 0.2rem 2rem;
}

.input-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 1.15rem;
  height: 1.15rem;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
}

.input-list strong { display: block; }
.input-list span { color: var(--color-text-soft); }

/* 기능표 — 데스크톱 비교표, 모바일 카드 */
.feature-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-table caption {
  text-align: left;
  font-weight: 700;
  color: var(--color-text-soft);
  padding: 0 0 0.7rem;
}

.feature-table th,
.feature-table td {
  text-align: left;
  vertical-align: top;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--color-border);
}

.feature-table thead th {
  background: var(--color-surface-alt);
  border-top: none;
  font-size: 0.95rem;
}

.feature-table tbody th {
  color: var(--color-primary);
  width: 9rem;
}

/* 결과물·기록 목록 */
.deliverables {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 2px solid var(--color-primary);
}

.deliverables li {
  padding: 1rem 1.1rem 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.deliverables strong { display: block; color: var(--color-primary); }
.deliverables span { color: var(--color-text-soft); font-size: 0.97rem; }

/* 범위 설명 */
.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.scope-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
}

.scope-box h3 { font-size: 1.05rem; }
.scope-box ul { margin: 0; padding-left: 1.1em; }
.scope-box li { margin-bottom: 0.4rem; }
.scope-box-not { background: var(--color-surface-alt); }

/* =============== 문서 모양 목업 =============== */
.doc-mock {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow-soft);
}

.doc-mock-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem 0.8rem;
  padding-bottom: 0.7rem;
  margin-bottom: 0.8rem;
  border-bottom: 1px solid var(--color-border);
}

.doc-mock-head h3,
.doc-mock-head h4 { margin: 0; }

.doc-mock-meta { font-size: 0.9rem; color: var(--color-text-soft); margin: 0 0 0.6rem; }
.doc-mock-label { font-weight: 700; font-size: 0.92rem; color: var(--color-text-soft); margin: 0.9rem 0 0.35rem; }
.doc-mock ul, .doc-mock ol { margin: 0 0 0.3rem; padding-left: 1.2em; }
.doc-mock li { margin-bottom: 0.35rem; }

.kv {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(6.5rem, auto) 1fr;
  gap: 0.35rem 1rem;
}

.kv dt { font-weight: 700; color: var(--color-text-soft); }
.kv dd { margin: 0; }

.copy-lines { list-style: none; padding: 0; margin: 0; }
.copy-lines li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.6rem;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--color-border);
}
.copy-lines li:last-child { border-bottom: none; }
.copy-removed { text-decoration: line-through; color: var(--color-text-soft); }

.record-list { list-style: none; margin: 0; padding: 0; }
.record-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.3rem 0.8rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-border);
}
.record-list li:last-child { border-bottom: none; }

/* 전후 비교 */
.before-after {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.5rem minmax(0, 1fr);
  align-items: stretch;
  gap: 0.8rem;
}

.before-after-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  font-weight: 800;
  font-size: 1.5rem;
}

/* =============== '내 브랜드' 화면 예시 =============== */
.screen-mock {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.screen-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem 1rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.8rem 1.2rem;
}

.screen-bar h3 { color: #fff; margin: 0; font-size: 1.05rem; }
.screen-bar p { margin: 0; color: #EFE7FA; font-size: 0.92rem; }

.screen-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.screen-panel {
  padding: 1rem 1.2rem;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.screen-panel:nth-child(3n) { border-right: none; }
.screen-panel h4 { font-size: 0.98rem; color: var(--color-primary); margin-bottom: 0.4rem; }
.screen-panel ul { list-style: none; margin: 0; padding: 0; }
.screen-panel li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.2rem 0.6rem; padding: 0.3rem 0; font-size: 0.95rem; }
.screen-panel-wide { grid-column: span 3; border-right: none; background: var(--color-bg); }

/* =============== 플랫폼 단계 =============== */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 3px;
  background: var(--color-border);
}

.step {
  position: relative;
  padding: 0 0 2rem 3.6rem;
}

.step > .step-no {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step h3 { padding-top: 0.35rem; }
.step-summary { color: var(--color-text-soft); }

.step-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.step-grid > div { padding: 0.85rem 1rem; }
.step-grid > div + div { border-left: 1px solid var(--color-border); }
.step-grid dt { font-weight: 800; font-size: 0.9rem; color: var(--color-text-soft); margin-bottom: 0.2rem; }
.step-grid dd { margin: 0; }
.step-grid .sg-ai { background: var(--color-primary-soft); }
.step-grid .sg-human { background: var(--color-accent-soft); }

/* 연계 정보 */
.link-systems {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.link-systems li {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 0.3rem 1.2rem;
  padding: 0.9rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.link-systems strong { color: var(--color-primary); }
.link-systems p { margin: 0; }

/* =============== 전체 활용 예시 =============== */
.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-soft);
}

.case-card .h-small { font-size: 1.15rem; }
.case-card { margin-bottom: 0.5rem; }
.next-heading { margin-top: 2.5rem; }

.stage {
  border-top: 1px solid var(--color-border);
}

.stage-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  margin-bottom: 1.2rem;
}

.stage-head h2 { margin: 0; }

.stage-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  flex: none;
}

.stage-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  margin-bottom: 1.3rem;
}

.stage-flow > div { padding: 1rem 1.1rem; }
.stage-flow > div + div { border-left: 1px solid var(--color-border); }
.stage-flow h3 { font-size: 0.98rem; color: var(--color-text-soft); margin-bottom: 0.4rem; }
.stage-flow ul { margin: 0; padding-left: 1.1em; }
.stage-flow li { margin-bottom: 0.3rem; }
.stage-did { background: var(--color-bg); }
.who { font-weight: 800; }
.who-ai { color: var(--color-primary); }
.who-human { color: var(--color-accent-dark); }

.stage-artifacts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.stage-artifacts-single { grid-template-columns: minmax(0, 1fr); }

.stage-more { margin: 1rem 0 0; }

.metric-table {
  width: 100%;
  border-collapse: collapse;
}

.metric-table caption { text-align: left; font-weight: 700; color: var(--color-text-soft); padding-bottom: 0.5rem; }
.metric-table th, .metric-table td { text-align: left; vertical-align: top; padding: 0.7rem 0.8rem; border-top: 1px solid var(--color-border); }
.metric-table thead th { background: var(--color-surface-alt); border-top: none; font-size: 0.93rem; }
.metric-table tbody th { color: var(--color-primary); }

/* 푸터 */
.site-footer {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
}

.site-footer .section-inner { padding-top: 2.5rem; padding-bottom: 2.5rem; }

.site-footer p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  margin: 0.5rem 0;
}

.footer-nav {
  list-style: none;
  margin: 0.8rem 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.3rem;
}

.footer-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--color-text-soft);
}

.footer-nav a[aria-current] { color: var(--color-primary); }

/* 404 */
.notfound .section-inner { text-align: center; padding-top: 5rem; padding-bottom: 5rem; }

/* =============== 반응형 =============== */
@media (max-width: 960px) {
  .hero-home .section-inner { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .service-panels { grid-template-columns: minmax(0, 1fr); }
  .modes { grid-template-columns: minmax(0, 1fr); }
  .modes > li + li { border-left: none; border-top: 1px solid var(--color-border); }
  .step-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-grid > div + div { border-left: none; }
  .step-grid > div:nth-child(even) { border-left: 1px solid var(--color-border); }
  .step-grid > div:nth-child(n+3) { border-top: 1px solid var(--color-border); }
  .deliverables { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scope-grid { grid-template-columns: minmax(0, 1fr); }
  .screen-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .screen-panel:nth-child(3n) { border-right: 1px solid var(--color-border); }
  .screen-panel:nth-child(2n) { border-right: none; }
  .screen-panel-wide { grid-column: span 2; }
  .stage-flow { grid-template-columns: minmax(0, 1fr); }
  .stage-flow > div + div { border-left: none; border-top: 1px solid var(--color-border); }
}

@media (max-width: 720px) {
  /* 모바일에서는 헤더를 sticky 로 띄우지 않고, 첫 화면에 같은 목적의 버튼이 있으므로 헤더 버튼을 숨긴다. */
  .site-header { position: static; }
  .header-actions { display: none; }

  section[id], [id]:target, .step-anchor { scroll-margin-top: 1rem; }

  .section-inner { padding: 2.6rem 1rem; }
  .header-inner { padding: 0.5rem 1rem; gap: 0 1rem; }
  .site-nav ul { gap: 0 1rem; }
  .breadcrumb { padding: 0.6rem 1rem 0; }

  .situation-list > li { grid-template-columns: minmax(0, 1fr); }
  .mini-timeline { grid-template-columns: minmax(0, 1fr); }
  .two-col { grid-template-columns: minmax(0, 1fr); }
  .input-list { grid-template-columns: minmax(0, 1fr); }
  .next-links { grid-template-columns: minmax(0, 1fr); }
  .deliverables { grid-template-columns: minmax(0, 1fr); }
  .stage-artifacts { grid-template-columns: minmax(0, 1fr); }
  .before-after { grid-template-columns: minmax(0, 1fr); }
  .before-after-arrow { transform: rotate(90deg); min-height: 2rem; }
  .screen-grid { grid-template-columns: minmax(0, 1fr); }
  .screen-panel { border-right: none !important; }
  .screen-panel-wide { grid-column: auto; }
  .link-systems li { grid-template-columns: minmax(0, 1fr); }
  .kv { grid-template-columns: minmax(0, 1fr); gap: 0 0; }
  .kv dd { margin-bottom: 0.5rem; }

  /* 역할 대비: 행마다 카드로 */
  .role-compare li.role-compare-head { display: none; }
  .role-compare li { grid-template-columns: minmax(0, 1fr); }
  .role-label { display: block; }

  .diff-rows li { grid-template-columns: minmax(0, 1fr); }

  .step { padding-left: 3.2rem; }
  .steps::before { left: 1.15rem; }
  .step > .step-no { width: 2.4rem; height: 2.4rem; }
  .step-grid { grid-template-columns: minmax(0, 1fr); }
  .step-grid > div:nth-child(even) { border-left: none; }
  .step-grid > div + div { border-top: 1px solid var(--color-border); }

  /* 기능표·지표표: 행마다 카드로 전환(가로 넘침 없음) */
  .feature-table, .metric-table { border: none; background: transparent; }
  .feature-table thead, .metric-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }
  .feature-table tbody, .feature-table tr, .feature-table th, .feature-table td,
  .metric-table tbody, .metric-table tr, .metric-table th, .metric-table td {
    display: block;
    width: auto;
  }
  .feature-table tr, .metric-table tr {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 0.9rem;
    overflow: hidden;
  }
  .feature-table tbody th, .metric-table tbody th {
    border-top: none;
    background: var(--color-primary-soft);
    width: auto;
  }
  .feature-table td, .metric-table td { border-top: 1px solid var(--color-border); }
  .feature-table td::before, .metric-table td::before {
    content: attr(data-label);
    display: block;
    font-weight: 800;
    font-size: 0.88rem;
    color: var(--color-text-soft);
  }
}

/* 동작 축소 선호 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}