/* =========================
   labs-education.css (FINAL - WIDTH UNIFIED)
   - HERO: Marketing 1:1
   - WHY+Cards: 1 screen (100vh)
   - Detail 01~04: each 1 screen (100vh) + SAME WIDTH as WHY (.mk-container)
   - CTA: keep (NOT forced to 100vh)
   ========================= */

/* ---------- Vars ---------- */
:root {
  --mk-max: 1680px;
  --mk-pad: 24px;

  --ed-accent: #22c55e;

  --ed-text: #0f172a;
  --ed-muted: #94a3b8;

  --ed-radius: 16px;
  --ed-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);

  /* 고정 헤더 높이(대략). 필요하면 110~150 사이에서 조절 */
  --ed-header-offset: 140px;

  /* 섹션 하단 여백 */
  --ed-section-bottom: 80px;
}

/* ---------- Container (Marketing 체감) ---------- */
.lab-education .mk-container {
  max-width: var(--mk-max);
  margin: 0 auto;
  padding-left: var(--mk-pad);
  padding-right: var(--mk-pad);
}

/* =========================================================
   HERO (Marketing EXACT)
   ========================================================= */
.lab-education .mk-hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.lab-education .mk-hero .mk-container {
  max-width: 1320px; /* Marketing hero 폭 */
}

.lab-education .mk-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lab-education .mk-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
}

/* ✅ styles.css의 중앙정렬/플렉스가 끼어들면 깨짐 → 강제 오버라이드 */
.lab-education .mk-hero-inner {
  position: relative;
  z-index: 2;

  display: grid !important;
  place-content: start !important;
  justify-items: start !important;
  text-align: left !important;

  padding-top: 220px;
  padding-bottom: 96px;
}

.lab-education .mk-hero-title {
  color: #fff;
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 20px;
  white-space: nowrap;
  text-align: left !important;
}

.lab-education .mk-hero-sub {
  font-size: 20px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
  white-space: nowrap;
  margin-top: 12px;
  text-align: left !important;
}

/* Scroll-down: Marketing 동일 + GREEN */
.lab-education .scroll-down {
  position: fixed !important;
  left: 50%;
  bottom: 48px;
  transform: translateX(-50%);
  z-index: 30;
}
.lab-education .scroll-down span {
  border-color: rgba(34, 197, 94, 0.95) !important;
}
.lab-education .scroll-down span::after {
  background: var(--ed-accent) !important;
}

/* Mobile hero */
@media (max-width: 720px) {
  .lab-education .mk-hero-inner {
    padding-top: 168px;
    padding-bottom: 84px;
  }
  .lab-education .mk-hero-title {
    font-size: 34px;
    white-space: normal;
  }
  .lab-education .mk-hero-sub {
    font-size: 16px;
    white-space: normal;
  }
}

/* =========================================================
   WHY + TRACKS (딱 1화면)
   ========================================================= */
.lab-education .ed-body {
  background: #ffffff;
  min-height: 100vh;
  box-sizing: border-box;

  padding-top: var(--ed-header-offset);
  padding-bottom: 120px;

  display: flex;
  align-items: flex-start;
}

/* WHY / INTRO */
.lab-education .ed-intro {
  max-width: 920px;
  margin: 0;
  padding-top: 12px;
  padding-bottom: 26px;
  text-align: left;
}

.lab-education .ed-eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--ed-accent);
  margin: 0 0 10px;
}

.lab-education .ed-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--ed-text);
  margin: 0 0 14px;
}

.lab-education .ed-sub {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(15, 23, 42, 0.72);
  margin: 0;
}

/* TRACKS 영역 */
.lab-education .ed-tracks {
  flex: 1;
  display: flex;
  align-items: flex-end;
  padding: 0 0 8px;
}

.lab-education .ed-cards {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
  gap: 22px;
}

/* =========================================================
   EDUCATION 카드: 레이아웃 유지 + 그라데이션 배경 + 버튼(Startup처럼)
   ========================================================= */

/* 카드 기본 (중복 선언 정리: 이 블록 하나만 유지) */
.lab-education .ed-card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--ed-shadow);
  color: #fff;

  min-height: clamp(360px, 42vh, 520px);
  transform: translateZ(0);

  /* ✅ 사진 배경 사용 끄고, 여기서 배경을 그라데이션으로 통일 */
  background: var(--ed-grad, linear-gradient(135deg, #111827, #334155));
  background-size: cover;
  background-position: center;
}

/* ✅ 카드 4개 각각 그라데이션 (순서 그대로 1~4) */
.lab-education .ed-card:nth-child(1) {
  --ed-grad: linear-gradient(135deg, #064e3b, #0d9488);
}
.lab-education .ed-card:nth-child(2) {
  --ed-grad: linear-gradient(135deg, #111827, #334155);
}
.lab-education .ed-card:nth-child(3) {
  --ed-grad: linear-gradient(135deg, #6b5b00, #eac54f); /* 추천 노랑 */
}
.lab-education .ed-card:nth-child(4) {
  --ed-grad: linear-gradient(135deg, #0f172a, #334155);
}

/* ✅ 기존에 카드 안에 이미지가 있었다면 숨김(레이아웃은 동일) */
.lab-education .ed-card img {
  display: none !important;
}

/* 오버레이는 유지(가독성/깊이감) */
.lab-education .ed-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0.28) 55%,
    rgba(0, 0, 0, 0.48) 100%
  );
  transition: background 180ms ease;
}

/* 카드 hover 시 오버레이 살짝 강화 */
.lab-education .ed-card:hover .ed-card-overlay {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.14) 0%,
    rgba(0, 0, 0, 0.36) 55%,
    rgba(0, 0, 0, 0.58) 100%
  );
}

/* 상단/타이틀/본문 (네 코드 유지) */
.lab-education .ed-card-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 10px;
}

.lab-education .ed-card-index {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.02em;
  opacity: 0.95;
}

.lab-education .ed-card-chip {
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 800;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.lab-education .ed-card-h3 {
  position: relative;
  z-index: 2;
  padding: 10px 18px 0;
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
}

.lab-education .ed-card-p {
  position: relative;
  z-index: 2;
  padding: 10px 18px 0;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  max-width: 92%;
}

/* =========================================================
   더 알아보기 버튼: Startup처럼
   - 기본 숨김
   - 카드 hover 시 등장
   - 가로로 길게(좌우 꽉)
   ========================================================= */
.lab-education .ed-more {
  position: absolute;
  left: 18px;
  right: 18px; /* ✅ 풀폭 */
  bottom: 18px;
  z-index: 3;

  height: 46px;
  border-radius: 999px;

  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(0, 0, 0, 0.22);
  color: #fff;

  font-weight: 800;
  font-size: 14px;

  cursor: pointer;
  display: flex; /* ✅ 중앙정렬 */
  align-items: center;
  justify-content: center;

  /* ✅ 기본 숨김 */
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;

  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease,
    border-color 180ms ease;
}

/* 화살표 span은 그대로 숨김 유지 */
.lab-education .ed-more span[aria-hidden="true"] {
  display: none;
}

/* ✅ 카드 hover 때만 버튼 등장 */
.lab-education .ed-card:hover .ed-more {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;

  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.42);
}

/* 버튼 hover(버튼 위에서만) 살짝 업 */
.lab-education .ed-more:hover {
  transform: translateY(-1px);
}

/* 모바일/터치에서는 hover가 없으니 항상 보이게 */
@media (hover: none) {
  .lab-education .ed-more {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}

/* WHY responsive (네 코드 유지) */
@media (max-width: 1200px) {
  .lab-education .ed-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .lab-education .ed-tracks {
    align-items: flex-start;
    margin-top: 16px;
  }
}

@media (max-width: 720px) {
  .lab-education .ed-body {
    padding-top: 120px;
    padding-bottom: 60px;
  }
  .lab-education .ed-title {
    font-size: 34px;
  }
  .lab-education .ed-cards {
    grid-template-columns: 1fr;
  }
  .lab-education .ed-card {
    min-height: 380px;
  }
}

/* =========================================================
   DETAILS: HERO/CTA 제외, WHY와 동일 폭(mk-container) 기준
   - ✅ HTML 수정 없이 동작 (ed-detail-inner 불필요)
   - ✅ 텍스트 위 / 2박스 아래(다음 줄)
   - ✅ 전역 중앙정렬/회색 상속 차단
   ========================================================= */
.lab-education .ed-details {
  padding: 0;
  margin: 0;
}

/* ✅ 각 detail 섹션 자체가 mk-container 폭을 갖도록 */
.lab-education .ed-detail {
  scroll-margin-top: calc(var(--ed-header-offset) - 20px);

  min-height: 100vh;
  box-sizing: border-box;
  padding-top: var(--ed-header-offset);
  padding-bottom: var(--ed-section-bottom);

  border-top: none;
  background: #ffffff;

  /* ✅ WHY와 동일 폭 체감 */
  max-width: var(--mk-max);
  margin: 0 auto;
  padding-left: var(--mk-pad);
  padding-right: var(--mk-pad);

  /* ✅ 레이아웃: 텍스트(위) + 2박스(아래) */
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;

  /* ✅ 텍스트-박스 간격: 너무 벌어지는 문제 방지 */
  gap: 50px;

  /* ✅ 전역 중앙정렬/색상 상속 차단 */
  text-align: left;
  color: var(--ed-text);
}

/* ✅ (중요) ed-detail-inner는 HTML에 없으니, 있으면만 적용 */
.lab-education .ed-detail-inner {
  display: contents;
}

/* --- 왼쪽 텍스트(상단) --- */
.lab-education .ed-detail-head {
  max-width: 920px; /* WHY 타이틀 폭과 동일 느낌 */
  margin: 0;
  text-align: left;
}

.lab-education .ed-badge {
  font-size: 20px;
  font-weight: 800;
  color: var(--ed-accent);
  margin: 0 0 10px;
}

.lab-education .ed-detail-title {
  font-size: 34px;
  font-weight: 900;
  line-height: 1.18;
  margin: 0 0 14px;
  color: var(--ed-text);
  text-align: left;
}

.lab-education .ed-detail-sub {
  font-size: 16px;
  line-height: 1.85;
  margin: 0;
  color: rgba(15, 23, 42, 0.72);
  text-align: left;
}

/* --- 오른쪽 2박스(아래 줄) --- */
.lab-education .ed-detail-grid {
  width: 100%;
  margin: 0;

  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;

  /* ✅ 우측정렬/밀림 원인 제거 */
  max-width: none;
  margin-left: 0;
}

/* 박스 */
.lab-education .ed-detail-box {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.06);
  padding: 22px 30px 18px;
}

.lab-education .ed-h4 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 900;
  color: var(--ed-text);
}

.lab-education .ed-list {
  margin: 0;
  padding-left: 18px;
  color: rgba(15, 23, 42, 0.78);
  line-height: 1.85;
  font-size: 14px;
}
.lab-education .ed-list li {
  margin: 6px 0;
}

/* Detail responsive */
@media (max-width: 1100px) {
  .lab-education .ed-detail-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   CTA (Marketing과 동일)  ✅ 기존 그대로
   ========================================================= */
.lab-education .lab-cta {
  background: #000;
  color: #fff;
  width: 100%;
}

.lab-education .lab-cta-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 64px 24px 80px;
  text-align: center;
}

.lab-education .lab-cta-title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 14px;
}

.lab-education .lab-cta-desc {
  font-size: 16px;
  opacity: 0.9;
  margin: 0 0 30px;
}

.lab-education .lab-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 44px;
}

.lab-education .lab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  height: 50px;
  padding: 0 34px;

  border-radius: 999px;
  border: none;

  font-size: 15px;
  font-weight: 600;

  cursor: pointer;
  text-decoration: none !important;
  white-space: nowrap;

  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out,
    background-color 0.15s ease-out, color 0.15s ease-out;
}

.lab-education .lab-cta-actions .lab-btn {
  height: 48px;
  padding: 0 30px;
}

.lab-education .lab-cta-actions .lab-btn-glass-pro {
  position: relative;
  overflow: hidden;
  border-radius: 999px;

  height: 52px;
  padding: 0 34px;

  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.98),
    rgba(245, 247, 255, 0.9)
  );
  color: #0b0f1a;
  border: 1px solid rgba(255, 255, 255, 0.55);

  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 1px 0 rgba(255, 255, 255, 0.85) inset;

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  transform: translateZ(0);
  transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;

  animation: edBreathe 4.5s ease-in-out infinite;
}

.lab-education .lab-cta-actions .lab-btn-glass-pro::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: -45%;
  height: 95%;
  border-radius: 999px;
  background: radial-gradient(
    closest-side at 50% 60%,
    rgba(255, 255, 255, 0.95),
    rgba(255, 255, 255, 0.25) 55%,
    rgba(255, 255, 255, 0) 75%
  );
  opacity: 0.9;
  pointer-events: none;
}

.lab-education .lab-cta-actions .lab-btn-glass-pro::after {
  content: "";
  position: absolute;
  inset: -60% -70%;
  background: linear-gradient(
    115deg,
    rgba(255, 255, 255, 0) 38%,
    rgba(255, 255, 255, 0.65) 50%,
    rgba(255, 255, 255, 0) 62%
  );
  transform: translateX(-55%) rotate(10deg);
  opacity: 0;
  pointer-events: none;
}

.lab-education .lab-cta-actions .lab-btn-glass-pro:hover {
  transform: translateY(-2px);
  filter: saturate(1.06);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.55), 0 0 26px rgba(34, 197, 94, 0.22),
    0 0 0 1px rgba(255, 255, 255, 0.14) inset,
    0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.lab-education .lab-cta-actions .lab-btn-glass-pro:hover::after {
  opacity: 0.55;
  animation: edGlassSheenOnce 1.05s ease-out;
}

@keyframes edGlassSheenOnce {
  0% {
    transform: translateX(-60%) rotate(10deg);
  }
  100% {
    transform: translateX(40%) rotate(10deg);
  }
}

@keyframes edBreathe {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-1px);
  }
}

/* =========================================================
   ✅ 중요: 아래 "DETAIL HARD RESET"은 이제 필요 없음
   (기존 레이아웃과 충돌해서 화면을 망가뜨림)
   → 삭제하거나, 최소한 비활성화
   ========================================================= */
/* (삭제 권장) */

/* =========================================================
   FIX: Education 페이지 좌우 검정 배경 제거
   ========================================================= */

/* 페이지 최상위 배경 강제 흰색 */
.lab-page.lab-education {
  background: #ffffff !important;
}

/* 혹시 한 단계 더 감싸는 래퍼가 있을 경우 대비 */
.lab-page.lab-education body,
.lab-page.lab-education .page-wrapper,
.lab-page.lab-education .site-wrap,
.lab-page.lab-education .main-wrap {
  background: #ffffff !important;
}

/* =========================================================
   EDUCATION 상세 페이지 내부: 문제→해법 아코디언
   - Startup 운영파트너십과 동일한 인터랙션
   - Accent: Green
   ========================================================= */
:root {
  --ed-green: #16a34a; /* ✅ 초록 accent */
  --ed-ink: #0f172a;
  --ed-line: rgba(15, 23, 42, 0.1);
  --ed-muted: rgba(15, 23, 42, 0.62);
  --ed-shadow-soft: 0 12px 34px rgba(15, 23, 42, 0.06);
}

.lab-education .ed-sol-acc {
  display: grid;
  gap: 14px;
}

/* 아이템 카드 */
.lab-education .ed-sol-item {
  border: 1px solid var(--ed-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--ed-shadow-soft);
  overflow: hidden;
}

/* 상단 버튼(문제 문장) */
.lab-education .ed-sol-top {
  width: 100%;
  display: grid;
  grid-template-columns: 56px 1fr 28px;
  gap: 14px;
  align-items: center;

  padding: 18px 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
}

/* 번호 */
.lab-education .ed-sol-idx {
  font-weight: 900;
  color: var(--ed-green);
  font-size: 14px;
  width: 56px;
  text-align: center;
}

/* 문제 문장 */
.lab-education .ed-sol-title {
  font-weight: 900;
  color: var(--ed-ink);
  font-size: 16px;
  line-height: 1.45;
}

/* 체브론 */
.lab-education .ed-sol-chevron {
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(15, 23, 42, 0.7);
  border-bottom: 2px solid rgba(15, 23, 42, 0.7);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
  justify-self: end;
}

/* 펼쳐지는 body */
.lab-education .ed-sol-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.22s ease;
}

.lab-education .ed-sol-inner {
  padding: 0 18px 18px 88px; /* idx 만큼 들여쓰기 */
}

/* '추천 교육' 초록 네모 박스 */
.lab-education .ed-sol-badge {
  display: inline-block;

  padding: 6px 10px;
  margin-bottom: 10px;

  background: #16a34a; /* 초록 */
  color: #ffffff; /* 흰색 글씨 */

  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;

  border-radius: 6px; /* 네모 느낌 유지 */
}

/* 헤드라인 */
.lab-education .ed-sol-h4 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 900;
  color: var(--ed-ink);
}

/* 리스트 */
.lab-education .ed-sol-list {
  margin: 0;
  padding-left: 18px;
  color: rgba(15, 23, 42, 0.78);
  line-height: 1.8;
  font-size: 14px;
}
.lab-education .ed-sol-list li {
  margin: 6px 0;
}

/* ===== 간격 정리 핵심 ===== */

/* 상단 문제 문장 버튼 */
.lab-education .ed-sol-top {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

/* 펼쳐지는 영역 전체 */
.lab-education .ed-sol-body {
  background: #f8fafc;
}

/* 펼쳐지는 내부 콘텐츠 간격 */
.lab-education .ed-sol-inner {
  padding: 18px 20px 20px; /* 위 여백 줄이고 좌우 정렬 */
}

/* '추천 교육' 배지 위치 안정화 */
.lab-education .ed-sol-badge {
  margin: 0 0 10px 0; /* 위 간격 제거 */
}

/* 교육명(h4) 위 간격 정리 */
.lab-education .ed-sol-h4 {
  margin-top: 0;
}

/* 리스트 첫 줄이 너무 붙어보이지 않게 */
.lab-education .ed-sol-list {
  margin-top: 6px;
}

/* ===== 펼쳐진 추천 교육 영역 여백 복원 ===== */

/* 펼쳐진 내부 전체 여백 */
.lab-education .ed-sol-inner {
  padding: 22px 100px 26px; /* ← 좌우 여백 핵심 */
}

/* 추천 교육 배지 */
.lab-education .ed-sol-badge {
  margin-bottom: 10px; /* 배지와 교육명 사이 */
}

/* 교육명 */
.lab-education .ed-sol-h4 {
  margin-bottom: 12px;
}

/* 리스트 전체 */
.lab-education .ed-sol-list {
  margin-top: 0;
}

/* 리스트 항목 */
.lab-education .ed-sol-list li {
  margin: 6px 0;
  line-height: 1.7;
}

/* ✅ Startup 느낌: hover/focus/open 시 border 강조 + body 펼침 */
.lab-education .ed-sol-item:hover,
.lab-education .ed-sol-item:focus-within,
.lab-education .ed-sol-item.is-open {
  border-color: rgba(22, 163, 74, 0.55);
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
}

/* 펼침 */
.lab-education .ed-sol-item:hover .ed-sol-body,
.lab-education .ed-sol-item:focus-within .ed-sol-body,
.lab-education .ed-sol-item.is-open .ed-sol-body {
  max-height: 520px; /* 내용 길면 늘려도 됨 */
}

/* 체브론 회전 */
.lab-education .ed-sol-item:hover .ed-sol-chevron,
.lab-education .ed-sol-item:focus-within .ed-sol-chevron,
.lab-education .ed-sol-item.is-open .ed-sol-chevron {
  transform: rotate(225deg);
}

/* 모바일 */
@media (max-width: 900px) {
  .lab-education .ed-sol-top {
    grid-template-columns: 44px 1fr 24px;
  }
  .lab-education .ed-sol-idx {
    width: 44px;
  }
  .lab-education .ed-sol-inner {
    padding-left: 18px;
  }
}

.lab-education .ed-sol-body {
  background: #f8fafc;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}