/* 인사이트 임팩트 홈페이지 공통 디자인 (모든 페이지가 함께 사용) */
/* ===== 색상 (로고 기준) ===== */
:root {
  --navy: #242277;      /* 로고 남색 */
  --blue: #0070B0;      /* 로고 파란색 */
  --grad: linear-gradient(135deg, #242277 0%, #0070B0 100%);
  --text: #1d1f2e;
  --muted: #5d6075;
  --line: #e6e8f0;
  --soft: #f5f7fb;      /* 아주 연한 배경 */
  --white: #ffffff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans KR', sans-serif; color: var(--text); background: var(--white); line-height: 1.7; word-break: keep-all; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }
.eyebrow { font-size: 14px; font-weight: 700; letter-spacing: .12em; color: var(--blue); text-transform: uppercase; margin-bottom: 12px; }
h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 900; color: var(--navy); line-height: 1.35; margin-bottom: 16px; }
.lead { font-size: 17px; color: var(--muted); max-width: 680px; }

/* ===== 상단 메뉴 ===== */
header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
header .logo img { height: 40px; width: auto; }
nav ul { display: flex; gap: 32px; list-style: none; }
nav a { font-size: 15px; font-weight: 500; color: var(--text); transition: color .2s; }
nav a:hover { color: var(--blue); }
.nav-cta { background: var(--grad); color: #fff !important; padding: 9px 20px; border-radius: 999px; }
.menu-btn { display: none; background: none; border: 0; font-size: 26px; color: var(--navy); cursor: pointer; }

/* ===== 첫 화면 ===== */
.hero { padding: 120px 0 110px; position: relative; overflow: hidden; }
/* 배경 사진 (흐리게) */
.hero::before { content: ""; position: absolute; inset: -20px; background: url("images/field-4.jpg") center / cover no-repeat; filter: blur(6px); }
/* 글자가 잘 보이도록 흰색으로 덮기 (왼쪽은 진하게, 오른쪽은 옅게) */
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.95) 0%, rgba(255,255,255,.88) 50%, rgba(255,255,255,.65) 100%); }
.hero .wrap { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(34px, 6vw, 60px); font-weight: 900; line-height: 1.25; color: var(--navy); margin-bottom: 24px; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 19px; color: var(--muted); max-width: 980px; margin-bottom: 40px; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 15px 30px; border-radius: 999px; font-weight: 700; font-size: 16px; transition: transform .2s, box-shadow .2s; }
.btn-main { background: var(--grad); color: #fff; box-shadow: 0 8px 24px rgba(36,34,119,.25); }
.btn-main:hover { transform: translateY(-2px); }
.btn-line { border: 2px solid var(--navy); color: var(--navy); }
.btn-line:hover { background: var(--navy); color: #fff; }

/* ===== 회사 소개 ===== */
.about { background: var(--soft); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-img { border-radius: 20px; overflow: hidden; box-shadow: 0 20px 50px rgba(36,34,119,.15); }
.about-text p { color: var(--muted); margin-bottom: 16px; font-size: 16px; }
.about-text .quote { font-size: 20px; font-weight: 700; color: var(--navy); border-left: 4px solid var(--blue); padding-left: 18px; margin: 28px 0; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 64px; }
.value { background: #fff; border-radius: 16px; padding: 30px; border: 1px solid var(--line); }
.value .num { font-size: 13px; font-weight: 700; color: var(--blue); }
.value h3 { font-size: 19px; color: var(--navy); margin: 8px 0; }
.value p { font-size: 15px; color: var(--muted); }

/* ===== 교육 분야 ===== */
.fields-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.field { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); background: #fff; transition: transform .25s, box-shadow .25s; }
.field:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(36,34,119,.12); }
.field .ph { height: 180px; overflow: hidden; }
.field .ph img { width: 100%; height: 100%; object-fit: cover; }
.field .body { padding: 24px 26px 28px; }
.field h3 { font-size: 20px; color: var(--navy); margin-bottom: 12px; }
.field ul { list-style: none; }
.field li { font-size: 15px; color: var(--muted); padding: 4px 0 4px 16px; position: relative; }
.field li::before { content: ""; position: absolute; left: 0; top: 14px; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }

/* ===== 대표 프로그램 ===== */
.program { background: var(--grad); color: #fff; }
.program h2, .program .eyebrow { color: #fff; }
.program .eyebrow { opacity: .8; }
.program .lead { color: rgba(255,255,255,.85); }
.prog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }
.prog { background: #fff; color: var(--text); border-radius: 20px; padding: 34px 32px 30px; display: flex; flex-direction: column; box-shadow: 0 16px 40px rgba(10,20,80,.18); transition: transform .25s; }
.prog:hover { transform: translateY(-4px); }
.prog-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.prog-no { font-size: 15px; font-weight: 900; color: #fff; background: var(--grad); border-radius: 10px; padding: 4px 10px; }
.prog-for { font-size: 13.5px; font-weight: 700; color: var(--blue); }
.prog h3 { font-size: 23px; line-height: 1.35; color: var(--navy); margin-bottom: 12px; }
.prog-copy { font-size: 15px; color: var(--muted); margin-bottom: 18px; }
.prog-list { list-style: none; border-top: 1px solid var(--line); padding-top: 14px; margin-bottom: 20px; }
.prog-list li { font-size: 14.5px; padding: 5px 0 5px 22px; position: relative; }
.prog-list li::before { content: "✓"; position: absolute; left: 0; top: 5px; color: var(--blue); font-weight: 900; }
.prog-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.prog-btn { display: block; margin-top: 20px; text-align: center; padding: 13px 20px; border-radius: 12px; background: var(--grad); color: #fff; font-weight: 700; font-size: 15px; transition: box-shadow .2s, transform .2s; }
.prog-btn:hover { box-shadow: 0 8px 20px rgba(36,34,119,.3); transform: translateY(-1px); }
.prog-tags span { font-size: 12.5px; background: var(--soft); color: var(--navy); padding: 5px 11px; border-radius: 999px; font-weight: 500; }
.prog-cta { margin-top: 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.prog-cta p { color: rgba(255,255,255,.9); font-size: 16px; }
.btn-white { background: #fff; color: var(--navy); }
.btn-white:hover { transform: translateY(-2px); }

/* ===== 강사진 ===== */
/* 강사 4명 한 줄 (태블릿 2명, 휴대폰 1명) */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.person { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #fff; }
.partner-note { margin-top: 32px; text-align: center; font-size: 17px; color: var(--muted); }
.partner-note strong { color: var(--navy); }
/* 프로필 사진: 세 장 모두 같은 틀(4:5, 같은 머리 크기·배경)로 맞춰 둔 이미지 사용 */
.person .pic { height: 300px; background: #dedee0; overflow: hidden; display: flex; justify-content: center; } /* 사진 양옆은 사진 배경과 같은 회색이라 이어져 보임 */
.person .pic img { height: 100%; width: auto; max-width: none; }
.person .info { padding: 18px 18px 20px; }
.person .role { font-size: 12px; font-weight: 700; color: var(--blue); }
.person h3 { font-size: 20px; color: var(--navy); }
.person .en { font-size: 11px; color: var(--muted); letter-spacing: .08em; margin-bottom: 10px; }
.person h4 { font-size: 12.5px; color: var(--navy); margin: 12px 0 4px; }
.person ul { list-style: none; font-size: 12.5px; color: var(--muted); }
.person li { padding: 1px 0; }
.person .tag { font-size: 11px; padding: 3px 8px; }.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.tag { font-size: 12.5px; background: var(--soft); color: var(--navy); padding: 4px 10px; border-radius: 999px; }

/* ===== 고객사 ===== */
.clients { background: var(--soft); text-align: center; }
.clients .lead { margin: 0 auto; }
/* 고객사 로고: 한 줄로 오른쪽 → 왼쪽 흐름 (마우스를 올리면 멈춤) */
.logo-marquee { margin-top: 48px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.logo-track { display: flex; gap: 14px; width: max-content; animation: logo-flow 60s linear infinite; }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes logo-flow { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .logo-track { animation-duration: 180s; } }
.logo-cell { flex: 0 0 auto; width: 170px; background: #fff; border-radius: 12px; height: 84px; display: flex; align-items: center; justify-content: center; padding: 10px; border: 1px solid var(--line); }
.logo-cell img { max-width: none; object-fit: contain; } /* 크기는 script.js 에서 로고 비율에 맞춰 계산 */

/* ===== 문의 ===== */
.contact-box { background: var(--grad); border-radius: 24px; padding: 64px; color: #fff; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.contact-box h2 { color: #fff; }
.contact-box p { color: rgba(255,255,255,.85); }
.contact-info { background: rgba(255,255,255,.1); border-radius: 16px; padding: 28px; }
.contact-info div { display: flex; gap: 16px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.15); font-size: 15px; }
.contact-info div:last-child { border: 0; }
.contact-info dt, .contact-info .k { min-width: 70px; font-weight: 700; opacity: .75; }

footer { padding: 40px 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
footer img { height: 32px; width: auto; }

/* ===== 모바일 ===== */
@media (max-width: 900px) {
  section { padding: 72px 0; }
  nav ul { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); }
  nav ul.open { display: flex; }
  nav li a { display: block; padding: 16px 24px; }
  .nav-cta { margin: 8px 24px 16px; text-align: center; }
  .menu-btn { display: block; }
  .about-grid, .contact-box { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .values, .fields-grid, .prog-grid { grid-template-columns: 1fr; }
  .prog { padding: 28px 24px; }
  .contact-box { padding: 36px 24px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
}
/* ===== 여러 페이지 공통 ===== */
nav a.active { color: var(--blue); font-weight: 700; }
nav a.nav-cta.active { color: #fff !important; }
.page { min-height: calc(100vh - 72px - 130px); }

/* ===== 홈: 바로가기 카드 ===== */
.quick { background: var(--soft); }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.quick-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px 24px; transition: transform .25s, box-shadow .25s, border-color .25s; }
.quick-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(36,34,119,.12); border-color: transparent; }
.quick-card .num { font-size: 13px; font-weight: 700; color: var(--blue); }
.quick-card h3 { font-size: 20px; color: var(--navy); margin: 6px 0 8px; }
.quick-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 18px; }
.quick-card .go { margin-top: auto; font-size: 14px; font-weight: 700; color: var(--navy); }

/* ===== 고객사: 대표 교육 이력 카드 ===== */
.sub-title { font-size: 20px; color: var(--navy); margin: 56px 0 20px; }
.clients .case-grid { text-align: left; }
.sub-title + .logo-marquee { margin-top: 0; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px 22px; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.case:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(36,34,119,.12); }
.case-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 14px; }
.case-cat { font-size: 12px; font-weight: 700; color: #fff; background: var(--grad); padding: 3px 10px; border-radius: 999px; }
.case-date { font-size: 12.5px; color: var(--muted); }
.case h4 { font-size: 20px; color: var(--navy); line-height: 1.3; }
.case-name { font-size: 14.5px; font-weight: 700; color: var(--blue); margin: 4px 0 10px; }
.case-desc { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.case-msg { background: var(--soft); border-radius: 12px; padding: 12px 14px; margin-bottom: 16px; }
.case-msg-label { display: block; font-size: 11px; font-weight: 700; color: var(--blue); letter-spacing: .04em; margin-bottom: 4px; }
.case-msg p { font-size: 12px; font-weight: 500; color: var(--navy); line-height: 1.6; }
.case-msg p + p { margin-top: 6px; }
.case-for { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13px; color: var(--text); }

/* ===== 인사이트 칼럼: 목록 ===== */
.col-filter { display: flex; gap: 8px; flex-wrap: wrap; margin: 32px 0 28px; }
.col-filter button { font: inherit; font-size: 14px; font-weight: 500; color: var(--navy); background: #fff; border: 1.5px solid var(--line); border-radius: 999px; padding: 8px 18px; cursor: pointer; transition: all .2s; }
.col-filter button:hover { border-color: var(--blue); }
.col-filter button.on { background: var(--grad); color: #fff; border-color: transparent; }
.col-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
/* 칼럼마다 메인 색(--c1 진한 색, --c2 밝은 색)은 posts.js 의 color 로 정함 */
.col-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--c2, var(--blue)); border-radius: 18px; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.col-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(36,34,119,.12); }
.col-thumb { height: 190px; overflow: hidden; background: var(--soft); }
.col-thumb img { width: 100%; height: 100%; object-fit: cover; }
.col-thumb.no-img { background: linear-gradient(135deg, var(--c1, #242277), var(--c2, #0070B0)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 900; font-size: 20px; }
.col-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.col-cat { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--c1, var(--blue)); background: color-mix(in srgb, var(--c2, #0070B0) 14%, #fff); padding: 3px 10px; border-radius: 999px; }
.col-body h3 { font-size: 18px; line-height: 1.45; color: var(--c1, var(--navy)); margin: 10px 0 8px; }
.col-body p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.col-meta { margin-top: auto; font-size: 13px; color: var(--muted); }
.col-empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* ===== 인사이트 칼럼: 블로그 바로가기 ===== */
.blog-banner { display: flex; align-items: center; gap: 18px; margin-top: 28px; padding: 18px 22px; background: #fff; border: 1.5px solid var(--line); border-radius: 16px; transition: border-color .2s, box-shadow .2s, transform .2s; }
.blog-banner:hover { border-color: #03C75A; box-shadow: 0 10px 28px rgba(3,199,90,.15); transform: translateY(-2px); }
.blog-badge { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; background: #03C75A; color: #fff; font-weight: 900; font-size: 22px; display: flex; align-items: center; justify-content: center; }
.blog-text { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.blog-text strong { font-size: 17px; color: var(--navy); }
.blog-text span { font-size: 14px; color: var(--muted); }
.blog-go { flex: 0 0 auto; font-size: 15px; font-weight: 700; color: #fff; background: #03C75A; padding: 10px 18px; border-radius: 999px; }
.post-blog { display: block; margin-top: 16px; text-align: center; font-size: 15px; font-weight: 700; color: #02a64b; }
.post-blog:hover { text-decoration: underline; }
@media (max-width: 560px) {
  .blog-banner { flex-wrap: wrap; }
  .blog-go { width: 100%; text-align: center; }
}

/* ===== 인사이트 칼럼: 글 읽기 ===== */
.post { padding: 64px 0 96px; }
.post-wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.post-back { display: inline-block; font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.post-back:hover { color: var(--blue); }
.post h1 { font-size: clamp(26px, 4.5vw, 36px); font-weight: 900; color: var(--navy); line-height: 1.35; margin: 14px 0 12px; }
.post-meta { font-size: 14px; color: var(--muted); padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.post-hero img { width: 100%; border-radius: 16px; margin-top: 32px; }
.post-body { margin-top: 32px; font-size: 17px; line-height: 1.9; }
.post-body p { margin-bottom: 20px; }
.post-body h3 { font-size: 21px; color: var(--c1, var(--navy)); margin: 40px 0 14px; }
.post-body strong { color: var(--c1, var(--navy)); }
.post-source { font-size: 13px !important; color: var(--muted); margin-top: 8px; }
/* '인사이트 임팩트의 시선' 같은 강조 박스 */
.post-insight { margin: 8px 0 28px; padding: 22px 24px 6px; border-radius: 14px; background: color-mix(in srgb, var(--c2, #0070B0) 8%, #fff); border: 1px solid color-mix(in srgb, var(--c2, #0070B0) 25%, #fff); }
.post-insight-label { display: inline-block; font-size: 13px; font-weight: 700; color: #fff; background: var(--c1, var(--navy)); padding: 3px 12px; border-radius: 999px; margin-bottom: 12px; }
.post-insight p { font-size: 16px; }
/* 키워드 한눈에 보기 (번호 목록) */
.post-body ol.keyword-list { list-style: none; counter-reset: kw; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 16px; margin: 0 0 28px; padding: 20px 22px; background: var(--soft); border-radius: 14px; }
.post-body ol.keyword-list li { counter-increment: kw; position: relative; padding: 4px 0 4px 36px; font-weight: 700; color: var(--c1, var(--navy)); }
.post-body ol.keyword-list li::before { content: counter(kw); position: absolute; left: 0; top: 5px; width: 26px; height: 26px; border-radius: 50%; background: var(--c2, var(--blue)); color: #fff; font-size: 13px; display: flex; align-items: center; justify-content: center; }
.post-body ul { list-style: none; margin: 0 0 24px; padding: 20px 24px; background: var(--soft); border-radius: 12px; }
.post-body li { position: relative; padding: 6px 0 6px 30px; }
.post-body li::before { content: "✓"; position: absolute; left: 4px; top: 6px; color: var(--c2, var(--blue)); font-weight: 900; }
.post-body blockquote { margin: 32px 0; padding: 20px 24px; border-left: 4px solid var(--c2, var(--blue)); background: color-mix(in srgb, var(--c2, #0070B0) 9%, #fff); border-radius: 0 12px 12px 0; font-size: 18px; font-weight: 700; color: var(--c1, var(--navy)); }
.post-body a { color: var(--blue); text-decoration: underline; }
.post-cta { margin-top: 56px; padding: 32px; background: var(--soft); border-radius: 18px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.post-cta p { font-size: 17px; font-weight: 700; color: var(--navy); }

/* ===== 교육 문의: 신청서 버튼 ===== */
.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

@media (max-width: 900px) {
  .quick-grid, .case-grid, .col-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .quick-grid, .case-grid, .col-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .post-wrap { padding: 0 16px; }
  .post-body { font-size: 16px; }
  .person .pic { height: 320px; }
}