/* =============================================================
   클래스올케어 브랜딩 페이지 — 커스텀 스타일 (Senior Touch)
   ============================================================= */

:root {
  /* 색상 팔레트 (신뢰감을 주는 딥 블루 계열로 약간 톤다운) */
  --color-primary: #0056b3; 
  --color-secondary: #173f5f;
  --color-dark: #122332;
  --color-light-bg: #f8f9fa;
  --color-white: #FFFFFF;
  --color-text: #333333;
  --color-text-muted: #6c757d;
  --color-border: #e9ecef;

  /* 타이포그래피 설정 */
  --font-family-base: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* 레이아웃 */
  --section-padding: 100px 0;
  --border-radius: 8px;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); /* 은은한 관공서 스타일 그림자 */
}

/* ── 글로벌 리셋 & 베이스 ─────────────────────────────────── */
* { box-sizing: border-box; }

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  word-break: keep-all;
  overflow-wrap: break-word;
  letter-spacing: -0.02em; /* 텍스트 가독성을 위한 자간 축소 */
}

/* 네비게이션 고정으로 인한 스크롤 위치 보정 */
html { scroll-behavior: smooth; scroll-padding-top: 60px; }

section { padding: var(--section-padding); }

/* ── 공통 타이포그래피 & 색상 ──────────────────────────────── */
.section-title { font-size: 2.2rem; font-weight: 800; color: var(--color-dark); margin-bottom: 16px; letter-spacing: -0.05em; }
.section-subtitle { font-size: 1.15rem; color: var(--color-text-muted); margin-bottom: 60px; }
.bg-light { background-color: var(--color-light-bg); }
.header-shadow { box-shadow: 0 2px 10px rgba(0,0,0,0.05) !important; }

/* ── 커스텀 네비게이션 ───────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #fff;
  z-index: 1000;
  height: 60px;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
}
.nav-menu a {
  display: block;
  padding: 6px 12px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: 4px;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-menu a:hover { color: var(--color-primary); }
.nav-menu a.nav-active { color: var(--color-primary); font-weight: 700; }
.nav-menu .nav-cta-btn {
  background: var(--color-primary);
  color: #fff !important;
  font-weight: 700;
  padding: 6px 20px;
}
.nav-menu .nav-cta-btn:hover { background: var(--color-dark); }

/* 햄버거 버튼 */
.nav-close-row { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 복사 버튼 그룹 */
.copy-btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: nowrap;
}

/* ── 플레이스홀더 공통 (요구사항 완벽 반영) ────────────────── */
.placeholder-box {
  background-color: #000000;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 16px;
  border-radius: var(--border-radius);
}

.placeholder-text {
  background-color: #f1f3f5;
  color: #495057;
  border: 1px dashed #ced4da;
  padding: 16px 20px;
  border-radius: var(--border-radius);
  display: inline-block;
  font-size: 0.95rem;
}

/* ── 히어로 섹션 ─────────────────────────────────────────── */
#hero { background: linear-gradient(135deg, var(--color-dark) 0%, #1c3b57 100%); color: var(--color-white); }
.hero-inner { text-align: center; padding: 120px 24px 80px; }
.hero-badge { display: inline-block; border: 1px solid rgba(255,255,255,0.4); background: rgba(0,0,0,0.2); padding: 8px 20px; border-radius: 30px; font-weight: 700; font-size: 0.9rem;}
.hero-headline { font-size: 2.8rem; font-weight: 900; color: var(--color-white); line-height: 1.3; margin-bottom: 24px; letter-spacing: -0.05em; }
.hero-sub { font-size: 1.2rem; color: #cbd5e1; margin-bottom: 40px; line-height: 1.6; }
.hero-cta { font-size: 1.15rem; padding: 16px 48px; font-weight: 700; border-radius: 4px; box-shadow: 0 4px 15px rgba(0, 86, 179, 0.4); }

/* ── 핵심 프로그램 카드 (CORE-01 ~ 02) ───────────────────── */
.featured-card {
  box-shadow: var(--box-shadow);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--border-radius);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  overflow: hidden;
}
.featured-card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1); }
.featured-card .card-header { background-color: var(--color-white); color: var(--color-dark); padding: 30px 24px 20px; border-bottom: 1px solid var(--color-border); }
.featured-card .card-header .card-title { font-size: 1.6rem; font-weight: 800; margin: 0; color: var(--color-dark); }
.featured-card .card-content { padding: 30px 24px; }
.program-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; max-width: 100%; overflow: hidden; }
.program-meta .badge { white-space: normal !important; word-break: keep-all; max-width: 100%; overflow-wrap: break-word; }
.program-desc { font-size: 1.05rem; font-weight: 500; color: var(--color-dark); margin-bottom: 24px; line-height: 1.6; }
.program-benefits li { display: table !important; width: 100%; padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: 0.95rem; }
.program-benefits li:last-child { border-bottom: none; padding-bottom: 0; }
.program-benefits li strong { color: var(--color-primary); display: table-cell !important; width: 90px; vertical-align: top; white-space: nowrap; padding-right: 0; }
.program-benefits .benefit-desc { display: table-cell !important; vertical-align: top; }

/* ── 일반 프로그램 카드 ──────────────────────────────────── */
.program-card { border-radius: var(--border-radius); box-shadow: var(--box-shadow); height: 100%; border: 1px solid var(--color-border); }
.program-card-header { background-color: var(--color-secondary); color: var(--color-white); padding: 20px; border-radius: var(--border-radius) var(--border-radius) 0 0; }
.program-card-header .card-title { font-size: 1.25rem; font-weight: 700; margin-top: 5px; }
.program-card .card-content { padding: 24px; }

/* ── 회사 소개 섹션 ──────────────────────────────────────── */
.about-highlight { background-color: var(--color-white); border: 2px solid var(--color-primary); padding: 24px; font-size: 1.3rem; font-weight: 800; color: var(--color-primary); border-radius: 8px; margin-bottom: 60px; box-shadow: 0 4px 15px rgba(0,86,179,0.1); }
.about-stat-item { padding: 30px 20px; border-radius: var(--border-radius); background-color: var(--color-light-bg); text-align: center; height: 100%; }
.about-stat-number { font-size: 2.5rem; font-weight: 900; color: var(--color-primary); margin-bottom: 10px; }
.about-sub-title { font-size: 1.4rem; font-weight: 800; color: var(--color-dark); border-bottom: 2px solid var(--color-dark); padding-bottom: 10px; margin-bottom: 20px; }

/* ── 멘토 합격 후기 카드 ─────────────────────────────────── */
.mentor-card { border-radius: var(--border-radius); box-shadow: var(--box-shadow); height: 100%; overflow: hidden; border: 1px solid var(--color-border); }
.mentor-photo { min-height: 250px; border-radius: 0; }
.mentor-card .card-content { padding: 24px; }
.mentor-school { font-size: 1.05rem; font-weight: 700; color: var(--color-dark); margin-bottom: 16px; line-height: 1.5; }
.mentor-arrow-icon { color: var(--color-text-muted); margin: 0 8px; }
.mentor-review { font-size: 0.95rem; color: var(--color-text); font-style: normal; background-color: var(--color-light-bg); padding: 16px; border-radius: 8px; margin: 0; }

/* ── 언론 보도 카드 ──────────────────────────────────────── */
.news-card { border-radius: var(--border-radius); box-shadow: var(--box-shadow); height: 100%; overflow: hidden; display: flex; flex-direction: column; border: 1px solid var(--color-border); }
.news-thumb { min-height: 200px; border-radius: 0; }
.news-card .card-content { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
.news-title { font-size: 1.15rem; font-weight: 700; color: var(--color-dark); margin-bottom: 15px; }

/* ── CTA 섹션 ────────────────────────────────────────────── */
#cta { background-color: var(--color-primary); color: var(--color-white); }
.cta-headline { font-size: 2.4rem; font-weight: 800; color: var(--color-white); margin-bottom: 20px; }
.cta-sub { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 40px; }

/* 연락처 개별 박스 */
.cta-contacts { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 36px; }
.cta-contact-box {
  background: var(--color-white);
  border-radius: 16px;
  padding: 24px 36px;
  min-width: 180px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cta-contact-label { font-size: 0.8rem; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.cta-contact-value { font-size: 1.15rem; font-weight: 800; color: var(--color-dark); word-break: keep-all; }

.cta-button { background: var(--color-white); color: var(--color-primary); font-weight: 800; font-size: 1.2rem; padding: 16px 50px; border-radius: 4px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); transition: all 0.2s; cursor: pointer; border: none; }
.cta-button:hover { background: var(--color-dark); color: var(--color-white); }

/* ── 네비 scrollspy 하이라이트 ──────────────────────────── */
.app-bar-menu a.nav-active {
  color: var(--color-primary) !important;
  font-weight: 700;
}

/* ── 푸터 ────────────────────────────────────────────────── */
.site-footer { background-color: var(--color-dark); padding: 30px 0; text-align: center; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-copy { color: rgba(255,255,255,0.5); font-size: 0.9rem; margin: 0; }

/* ── 네비 오버레이 (모바일 사이드 드로어 배경) ────────────── */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  z-index: 999;
  pointer-events: auto;
}
.nav-overlay.active { display: block; }

/* ── 히어로 보조 배지 ───────────────────────────────────── */
.hero-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 32px; }
.hero-feature { display: inline-block; padding: 8px 16px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); border-radius: 20px; font-size: 0.88rem; color: rgba(255,255,255,0.9); }

/* ── 왜 이 프로그램인가 ──────────────────────────────────── */
.why-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 36px 28px;
  height: 100%;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease;
}
.why-card:hover { transform: translateY(-3px); }
.why-number { font-size: 2rem; font-weight: 900; color: var(--color-primary); margin-bottom: 16px; }
.why-title { font-size: 1.15rem; font-weight: 800; color: var(--color-dark); margin-bottom: 16px; line-height: 1.5; }
.why-desc { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; margin: 0; }

/* ── 운영 절차 ──────────────────────────────────────────── */
.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 0 12px;
}
.process-step-number {
  width: 56px; height: 56px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 900;
  margin: 0 auto 20px;
}
.process-step-title { font-size: 1.05rem; font-weight: 800; color: var(--color-dark); margin-bottom: 10px; }
.process-step-desc { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; margin: 0; }
.process-step-arrow { display: flex; align-items: center; font-size: 1.5rem; color: var(--color-primary); font-weight: 700; flex-shrink: 0; }
.process-note { margin-top: 12px; font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.8; background: var(--color-white); padding: 24px; border-radius: var(--border-radius); border: 1px solid var(--color-border); }

/* ── 회사 소개 내부 여백 ─────────────────────────────────── */
.about-inner-gap { margin-top: 60px; }

/* ── 소개 섹션 확장 (리스트) ──────────────────────────────── */
.about-list { list-style: none; padding: 0; margin: 0; }
.about-list li { padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: 0.95rem; line-height: 1.6; }
.about-list li:last-child { border-bottom: none; }
.about-list li strong { color: var(--color-primary); }

/* ── 도입 기관 태그 ──────────────────────────────────────── */
.partners-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 24px; }
.partner-tag {
  display: inline-block;
  padding: 8px 18px;
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ── 히어로 수치 박스 ────────────────────────────────────── */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 20px 40px;
  max-width: 520px;
  margin: 0 auto 40px;
}
.hero-stat { flex: 1; text-align: center; }
.hero-stat-number { font-size: 1.8rem; font-weight: 900; color: #fff; line-height: 1.2; }
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.7); margin-top: 4px; }
.hero-stat-sep { width: 1px; height: 40px; background: rgba(255,255,255,0.2); flex-shrink: 0; }

/* ── 파트너 신뢰 띠 (히어로 하단) ───────────────────────── */
.partners-bar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}
.partners-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.partners-bar-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  flex-shrink: 0;
}
.partners-bar-sep { width: 1px; height: 18px; background: var(--color-border); flex-shrink: 0; }
.partners-bar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.partners-bar-tag {
  font-size: 0.8rem;
  color: var(--color-text);
  font-weight: 500;
  padding: 4px 12px;
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
}

/* ── 스크롤 페이드인 ─────────────────────────────────────── */
.animate-fadein {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.animate-fadein.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .animate-fadein { opacity: 1; transform: none; transition: none; }
}

/* ── 반응형 처리 (Mobile) ────────────────────────────────── */
@media (max-width: 768px) {
  :root { --section-padding: 56px 0; }

  /* 모바일에서 어절 강제 줄바꿈 해제 → 자연스러운 흐름 */
  body { word-break: normal; }

  /* 모바일 네비 — 오른쪽 사이드 드로어 */
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: fixed;
    top: 0; right: 0;
    width: 270px;
    height: 100%;
    flex-direction: column;
    align-items: stretch;
    list-style: none;
    gap: 0;
    background: #fff;
    padding: 0 0 32px;
    box-shadow: -6px 0 24px rgba(0,0,0,0.18);
    z-index: 1001;
    overflow-y: auto;
    margin: 0;
  }
  .nav-menu.nav-open { display: flex; }
  /* 닫기 버튼 행 */
  .nav-close-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 2px solid var(--color-border);
    background: var(--color-light-bg);
    list-style: none;
  }
  .nav-drawer-title { font-size: 0.85rem; font-weight: 700; color: var(--color-text-muted); letter-spacing: 0.08em; text-transform: uppercase; }
  .nav-close-btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1.1rem;
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    color: var(--color-dark);
  }
  .nav-menu li { margin: 0; }
  .nav-menu a { padding: 16px 28px; font-size: 1rem; border-radius: 0; border-bottom: 1px solid var(--color-border); color: var(--color-dark); white-space: normal; touch-action: manipulation; -webkit-tap-highlight-color: rgba(0,86,179,0.1); }
  .nav-menu li:last-child a { border-bottom: none; }
  .nav-menu .nav-cta-btn {
    display: block;
    margin: 16px 20px 0;
    border-radius: 4px;
    text-align: center;
    border-bottom: none !important;
    background: var(--color-primary);
    color: #fff !important;
  }
  .nav-menu .nav-cta-btn:hover { background: var(--color-dark); }

  /* 복사 버튼 모바일 */
  .copy-btn-group { gap: 10px; }
  .copy-btn-group .cta-button { font-size: 0.85rem; padding: 12px 16px; }

  /* 공통 타이포 */
  .section-title { font-size: 1.55rem; letter-spacing: -0.03em; }
  .section-subtitle { font-size: 1rem; margin-bottom: 36px; }

  /* 히어로 */
  .hero-inner { padding: 72px 20px 52px; }
  .hero-headline { font-size: 1.65rem; line-height: 1.4; }
  .hero-sub { font-size: 0.95rem; }

  /* 핵심 프로그램 */
  .program-meta .badge { white-space: normal !important; word-break: keep-all; }
  .featured-card .card-header .card-title { font-size: 1.3rem; }
  .program-desc { font-size: 0.95rem; }
  .featured-card .card-header { padding: 20px 18px 16px; }
  .featured-card .card-content { padding: 20px 18px; }

  /* 일반 프로그램 */
  .program-card-header .card-title { font-size: 1.1rem; }
  .program-card .card-content { padding: 18px; }

  /* 회사 소개 */
  .about-highlight { font-size: 1rem; padding: 16px; }
  .about-sub-title { font-size: 1.2rem; }
  .about-stat-number { font-size: 2rem; }

  /* 멘토 */
  .mentor-school { font-size: 0.95rem; }
  .mentor-review { font-size: 0.9rem; }

  /* 뉴스 */
  .news-title { font-size: 1rem; }

  /* CTA */
  .cta-headline { font-size: 1.55rem; }
  .cta-sub { font-size: 0.95rem; margin-bottom: 28px; }
  .cta-contacts { flex-direction: column; gap: 10px; }
  .cta-contact-box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    min-width: unset;
    width: 100%;
    box-sizing: border-box;
    border-radius: 12px;
    gap: 0;
  }
  .cta-contact-label { font-size: 0.82rem; text-align: left; flex-shrink: 0; }
  .cta-contact-value { font-size: 1rem; text-align: right; }
  .cta-button { font-size: 1rem; padding: 14px 32px; width: 100%; box-sizing: border-box; }

  /* 히어로 보조 배지 */
  .hero-badges { gap: 8px; }
  .hero-feature { font-size: 0.8rem; padding: 6px 12px; }

  /* 왜 필요한가 */
  .why-card { padding: 28px 20px; }
  .why-number { font-size: 1.6rem; }
  .why-title { font-size: 1.05rem; }
  .why-desc { font-size: 0.9rem; }

  /* 운영 절차 */
  .process-steps { flex-direction: column; gap: 16px; }
  .process-step-arrow { display: none; }
  .process-step {
    display: flex;
    align-items: flex-start;
    text-align: left;
    gap: 16px;
    padding: 20px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
  }
  .process-step-number { flex-shrink: 0; margin: 0; width: 44px; height: 44px; font-size: 1.1rem; }
  .process-step-title { margin-bottom: 6px; font-size: 1rem; }
  .process-step-desc { font-size: 0.88rem; }
  .process-note { font-size: 0.9rem; padding: 18px; }

  /* 소개 내부 여백 */
  .about-inner-gap { margin-top: 36px !important; }

  /* 소개 리스트 */
  .about-list li { font-size: 0.9rem; }

  /* 도입 기관 */
  .partner-tag { font-size: 0.82rem; padding: 6px 14px; }

  /* 히어로 수치 */
  .hero-stats { padding: 16px 20px; max-width: 100%; }
  .hero-stat-number { font-size: 1.4rem; }
  .hero-stat-label { font-size: 0.72rem; }

  /* 파트너 띠 */
  .partners-bar-sep { display: none; }
  .partners-bar-label { width: 100%; }
}