/* KCIEA 홈페이지 - 협회 소개서(2026.08) 조판을 웹으로 승계 */

:root {
  --green: #1b4f42;
  --green-dark: #143b31;
  --green-light: #2f6b5b;
  --gold: #ad8b43;
  --gold-light: #dcbd6d;
  --cream: #f9f8f3;
  --beige: #f6ead2;
  --white: #ffffff;
  --ink: #24282b;
  --ink-soft: #55605e;
  --line: #e2e0d6;

  --serif: "Noto Serif KR", "Nanum Myeongjo", serif;
  --sans: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;

  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
a { color: var(--green); }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 상단 2색 괘선 + 헤더 ---------- */

.topline { display: flex; height: 3px; }
.topline span:first-child { flex: 1; background: var(--green); }
.topline span:last-child { flex: 1; background: var(--gold); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(249, 248, 243, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.wordmark {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.25;
}
.wordmark strong {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--green);
  letter-spacing: -0.01em;
}
.wordmark small {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-transform: uppercase;
}

.nav { display: flex; gap: 4px; }
.nav a {
  padding: 8px 14px;
  font-size: 16.5px;
  color: var(--ink-soft);
  text-decoration: none;
  border-radius: 2px;
}
.nav a:hover { color: var(--green); background: rgba(27, 79, 66, 0.06); }
.nav a[aria-current="page"] {
  color: var(--green);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--gold);
}


/* 좁은 화면에서 햄버거 버튼이 로고 아래로 밀려나던 문제.
   헤더는 열린 모바일 메뉴가 둘째 줄을 쓰기 때문에 flex-wrap:wrap 이 필요하다.
   그래서 wrap 을 끄는 대신 로고가 줄어들 수 있게 만든다.
   (min-width:0 이 없으면 flex 항목은 min-content 밑으로 안 줄어든다) */
.header-inner > .wordmark { min-width: 0; flex: 1 1 auto; }
.wordmark strong, .wordmark small { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-inner > .nav-toggle { flex: none; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 2px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--green);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- 히어로 ---------- */

.hero {
  background: var(--green);
  color: var(--cream);
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -220px;
  width: 460px;
  height: 460px;
  border: 1px solid rgba(220, 189, 109, 0.4);
  border-radius: 50%;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero .eyebrow {
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--gold-light);
  margin: 0 0 26px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(31.8px, 4.9vw, 48.8px);
  font-weight: 600;
  line-height: 1.42;
  margin: 0 0 22px;
  letter-spacing: -0.02em;
}
.hero .lead {
  font-size: 19px;
  line-height: 1.85;
  color: rgba(249, 248, 243, 0.82);
  margin: 0 0 36px;
  max-width: 620px;
}
.hero-rule { width: 92px; height: 2px; background: var(--gold-light); margin: 0 0 30px; }

.btn {
  display: inline-block;
  padding: 13px 28px;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.15s, color 0.15s;
}
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #98783a; }
.btn-ghost { border: 1px solid rgba(220, 189, 109, 0.6); color: var(--gold-light); margin-left: 10px; }
.btn-ghost:hover { background: rgba(220, 189, 109, 0.12); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-dark); }

/* ---------- 페이지 타이틀 (하위 페이지) ---------- */

.page-head {
  background: var(--green);
  color: var(--cream);
  padding: 62px 0 56px;
}
.page-head .eyebrow {
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--gold-light);
  margin: 0 0 12px;
}
.page-head h1 {
  font-family: var(--serif);
  font-size: clamp(28.6px, 3.6vw, 38.2px);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

/* ---------- 섹션 / 소개서식 장 제목 ---------- */

section { padding: 76px 0; }
section.tight { padding: 56px 0; }
section.alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { margin-bottom: 38px; }
.sec-head .num {
  font-family: var(--serif);
  font-size: 31.8px;
  color: var(--gold);
  margin-right: 16px;
  vertical-align: -2px;
}
.sec-head h2 {
  display: inline;
  font-family: var(--serif);
  font-size: clamp(25.3px, 3.2vw, 31.8px);
  font-weight: 600;
  color: var(--green);
  letter-spacing: -0.01em;
}
.sec-rule { display: flex; height: 2px; margin-top: 16px; }
.sec-rule span:first-child { flex: 3; background: var(--green); }
.sec-rule span:last-child { flex: 1; background: var(--gold); }

.sec-intro {
  max-width: 780px;
  text-align: justify;
  color: var(--ink);
  margin: 0 0 34px;
}

h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--green);
  margin: 40px 0 14px;
  letter-spacing: 0.01em;
}
h3:first-child { margin-top: 0; }

/* ---------- 강조 박스 ---------- */

.quote {
  background: var(--beige);
  border-left: 4px solid var(--gold);
  padding: 26px 30px;
  margin: 30px 0;
  text-align: justify;
}
.quote.green { border-left-color: var(--green); background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--green); }
.quote p { margin: 0; }
.quote p + p { margin-top: 14px; }
.quote .label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 10px;
}

/* ---------- 표 ---------- */

.tbl {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  font-size: 17px;
}
.tbl th, .tbl td {
  padding: 16px 22px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.tbl tr:last-child th, .tbl tr:last-child td { border-bottom: none; }
.tbl th {
  width: 242px;
  font-weight: 700;
  color: var(--green);
  white-space: nowrap;
}
.tbl-scroll { overflow-x: auto; }
.tbl.compact th { width: 118px; }

.aside-note {
  background: var(--beige);
  border-left: 4px solid var(--gold);
  padding: 26px 28px;
  font-size: 16.5px;
  line-height: 1.85;
}
.aside-note h4 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 12px;
}
.aside-note ul { margin: 0; padding-left: 18px; }
.aside-note li + li { margin-top: 8px; }

.timeline { border-left: 3px solid var(--green); }
.timeline th { color: var(--green); width: 218px; }

/* ---------- 카드 그리드 ---------- */

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  padding: 28px 26px;
}
.card .num {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.card h4 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--green);
  margin: 8px 0 12px;
}
.card p { margin: 0; font-size: 16.5px; line-height: 1.8; color: var(--ink-soft); }
.card.core { border-top-color: var(--gold); background: var(--beige); }
.card.core p { color: var(--ink); }
.card .tag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--gold);
  border-radius: 2px;
  vertical-align: 3px;
}

/* ---------- 사업 목록 (소개서 03장 스타일) ---------- */

.biz-block { margin-bottom: 30px; border: 1px solid var(--line); background: var(--white); }
.biz-block > header {
  background: var(--green);
  color: var(--cream);
  padding: 14px 26px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.biz-block.core > header { background: var(--gold); }
.biz-block ol { list-style: none; margin: 0; padding: 8px 26px 20px; counter-reset: biz; }
.biz-block li {
  counter-increment: biz;
  padding: 14px 0 14px 46px;
  position: relative;
  border-bottom: 1px solid var(--line);
  font-size: 17.5px;
}
.biz-block li:last-child { border-bottom: none; }
.biz-block li::before {
  content: "0" counter(biz);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--serif);
  color: var(--gold);
  font-size: 17px;
}

/* ---------- 실무 5단계 ---------- */

.steps { display: flex; flex-wrap: wrap; gap: 10px; align-items: stretch; margin: 30px 0; }
.step {
  flex: 1 1 150px;
  background: var(--white);
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--green);
  padding: 20px 18px;
  text-align: center;
}
.step .n {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.step strong { display: block; font-size: 17.5px; color: var(--green); font-weight: 700; }
.step span.desc { display: block; font-size: 14.5px; color: var(--ink-soft); margin-top: 6px; line-height: 1.6; }
.step-arrow { align-self: center; color: var(--gold); font-size: 20px; }

/* ---------- 위원회 태그 ---------- */

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.chips li {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  padding: 12px 18px;
  font-size: 16.5px;
  color: var(--green);
  font-weight: 500;
}

/* ---------- 핵심 지표 ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 8px 0 0;
}
.stats div {
  background: var(--cream);
  padding: 26px 20px;
  text-align: center;
}
.stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 600;
  color: var(--green);
  line-height: 1.2;
}
.stats span {
  display: block;
  margin-top: 6px;
  font-size: 15.5px;
  color: var(--ink-soft);
}
.stats em {
  font-family: var(--sans);
  font-size: 19px;
  font-style: normal;
  font-weight: 500;
  margin-left: 2px;
}

/* ---------- 알림 목록 ---------- */

.news-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a {
  display: flex;
  gap: 24px;
  align-items: baseline;
  padding: 20px 4px;
  text-decoration: none;
  color: var(--ink);
}
.news-list a:hover { background: rgba(27, 79, 66, 0.04); }
.news-list .date {
  font-size: 15px;
  color: var(--gold);
  white-space: nowrap;
  letter-spacing: 0.04em;
  min-width: 98px;
}
.news-list .cat {
  font-size: 14px;
  color: var(--green);
  border: 1px solid var(--line);
  padding: 2px 9px;
  white-space: nowrap;
  min-width: 94px;
  text-align: center;
}
.news-list .title { flex: 1; font-size: 17.5px; }

.empty {
  padding: 56px 24px;
  text-align: center;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px dashed var(--line);
  font-size: 16.5px;
}

/* ---------- CTA 밴드 ---------- */

.cta {
  background: var(--green);
  color: var(--cream);
  padding: 64px 0;
  text-align: center;
}
.cta h2 {
  font-family: var(--serif);
  font-size: clamp(24.2px, 3.2vw, 31.8px);
  font-weight: 600;
  margin: 0 0 14px;
}
.cta p { margin: 0 0 30px; color: rgba(249, 248, 243, 0.8); }

/* ---------- 폼 ---------- */

.form { max-width: 680px; }
.field { margin-bottom: 22px; }
.field label { display: block; font-size: 16px; font-weight: 700; color: var(--green); margin-bottom: 8px; }
.field .req { color: var(--gold); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 17px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(27, 79, 66, 0.08);
}
.field textarea { min-height: 150px; resize: vertical; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 16px; color: var(--ink-soft); }
.consent input { width: auto; margin-top: 5px; }
.form-note {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--beige);
  border-left: 3px solid var(--gold);
  font-size: 15.5px;
  color: var(--ink-soft);
}

/* ---------- 푸터 ---------- */

.site-footer {
  background: var(--green-dark);
  color: rgba(249, 248, 243, 0.72);
  padding: 52px 0 34px;
  font-size: 15.5px;
}
.footer-top { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.footer-brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--cream);
  font-weight: 600;
  margin-bottom: 6px;
}
.footer-brand small { color: var(--gold-light); font-size: 13.5px; letter-spacing: 0.05em; }
.footer-info { line-height: 1.9; }
.footer-info p { margin: 0; }
.footer-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-nav a { color: rgba(249, 248, 243, 0.72); text-decoration: none; font-size: 15.5px; }
.footer-nav a:hover { color: var(--gold-light); }
.footer-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(249, 248, 243, 0.14);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14.5px;
  color: rgba(249, 248, 243, 0.5);
}

/* ---------- 반응형 ---------- */

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .header-inner { min-height: 62px; }
  .nav {
    display: none;
    order: 3;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding: 6px 0 12px;
    border-top: 1px solid var(--line);
    margin-top: 10px;
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 13px 4px;
    font-size: 17px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .nav a:last-child { border-bottom: none; }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--gold); padding-left: 14px; }
  .wordmark strong { font-size: 19px; }
  .wordmark small { font-size: 11.5px; }
}

@media (max-width: 720px) {
  .header-inner { flex-wrap: wrap; gap: 12px; }
  /* flex 는 줄바꿈을 먼저 정하고 그 다음에 축소한다. 그래서 min-width:0 만으로는
     버튼이 아래로 내려가는 걸 못 막는다. flex-basis 를 0 으로 줘야 한 줄에 들어온다. */
  .header-inner > .wordmark { flex: 1 1 0; min-width: 0; }
  .header-inner > .nav-toggle { flex: none; }
  .hero { padding: 64px 0 60px; }
  .hero::after { display: none; }
  section { padding: 52px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  /* 좁은 화면에서는 라벨열이 두 줄로 쪼개지므로 상하 스택으로 바꾼다 */
  .tbl, .tbl tbody, .tbl tr, .tbl th, .tbl td { display: block; width: 100%; }
  .tbl tr { border-bottom: 1px solid var(--line); }
  .tbl tr:last-child { border-bottom: none; }
  .tbl th {
    width: auto;
    white-space: normal;
    padding: 15px 18px 2px;
    border-bottom: none;
    font-size: 15px;
    letter-spacing: 0.02em;
  }
  .tbl td { padding: 0 18px 15px; border-bottom: none; font-size: 16.5px; }
  .timeline th { color: var(--gold); }
  .step-arrow { display: none; }
  .news-list a { flex-wrap: wrap; gap: 10px; }
  .news-list .title { flex-basis: 100%; }
  .btn-ghost { margin-left: 0; margin-top: 10px; }

  /* 좁은 화면에서 양쪽정렬은 어절 간격이 벌어져 가독성이 떨어진다 */
  .sec-intro, .quote, .card p { text-align: left; }
  .hero .eyebrow { font-size: 13px; letter-spacing: 0.1em; margin-bottom: 20px; }
  .hero h1 { line-height: 1.38; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats div { padding: 20px 14px; }
  .stats strong { font-size: 30.8px; }
  .quote { padding: 22px 20px; }
  .biz-block ol { padding: 6px 20px 16px; }
  .biz-block > header { padding: 13px 20px; font-size: 17px; }
  .page-head { padding: 46px 0 42px; }
}

/* ---------- 버전 선택 바 ---------- */

.version-bar { border-top: 1px solid #d8d4c4; background: #efece1; padding: 18px 0; }
.version-bar .wrap { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.version-bar .vlabel { font-size: 13.5px; letter-spacing: 0.08em; color: var(--ink-soft); text-transform: uppercase; }
.version-bar .opts { display: flex; gap: 6px; padding: 4px; border: 1px solid #d8d4c4; border-radius: 999px; background: var(--white); }
.version-bar .opts a { padding: 8px 18px; border-radius: 999px; font-size: 15.5px; color: var(--ink-soft); text-decoration: none; }
.version-bar .opts a:hover { background: rgba(27, 79, 66, 0.07); color: var(--green); }
.version-bar .opts a.on { background: var(--green); color: #fff; font-weight: 700; }