/* ============================================================
   병원 원장 AX 4주 과정 — 사이트 디자인
   밝고 신뢰감(의료 무드) · 큰 본문 · 부드러운 카드 · 청록 포인트
   비개발자 원장 눈높이. 라이트 테마 단일.
   ============================================================ */

:root {
  --ink:        #12312d;   /* 본문 텍스트 (거의 검정, 살짝 청록) */
  --ink-soft:   #3f5c57;   /* 보조 텍스트 */
  --muted:      #6b827d;   /* 흐린 텍스트 */
  --line:       #e2ede9;   /* 경계선 */
  --bg:         #ffffff;   /* 기본 배경 */
  --bg-tint:    #f2faf8;   /* 은은한 민트 섹션 배경 */
  --bg-card:    #ffffff;   /* 카드 배경 */
  --primary:    #0d9488;   /* 청록 포인트 */
  --primary-dk: #0f766e;   /* 진한 청록 (hover) */
  --primary-lt: #d5f2ec;   /* 옅은 청록 (배지·강조 배경) */
  --primary-tt: #eafaf6;   /* 아주 옅은 청록 */
  --blue:       #0369a1;   /* 신뢰 블루 (드물게) */
  --warn:       #b45309;   /* 주의(before 등) */
  --shadow:     0 2px 4px rgba(18,49,45,.04), 0 12px 28px rgba(18,49,45,.06);
  --shadow-lg:  0 8px 20px rgba(18,49,45,.08), 0 24px 48px rgba(18,49,45,.10);
  --radius:     20px;
  --radius-sm:  14px;
  --maxw:       1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 18px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;      /* 한국어 줄바꿈 자연스럽게 */
}

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

h1, h2, h3, h4 { line-height: 1.3; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

strong { font-weight: 700; color: var(--ink); }

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: .86em;
  background: var(--primary-tt);
  color: var(--primary-dk);
  padding: .12em .45em;
  border-radius: 6px;
  border: 1px solid var(--line);
}

/* ---------- 상단바 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--primary); color: #fff; font-weight: 800; font-size: 18px;
}
.brand-logo { height: 30px; width: auto; border-radius: 8px; display: block; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--ink-soft); font-weight: 600; font-size: 16px; }
.nav-links a:hover { color: var(--primary); }
.nav-cta {
  background: var(--primary); color: #fff !important; font-weight: 700; font-size: 16px;
  padding: 10px 18px; border-radius: 999px; white-space: nowrap;
}
.nav-cta:hover { background: var(--primary-dk); }
.nav-links + .nav-cta { margin-left: 4px; }
.nav .nav-cta:only-of-type { margin-left: auto; }

/* ---------- 히어로 ---------- */
.hero {
  background:
    radial-gradient(1100px 420px at 82% -8%, var(--primary-tt), transparent 60%),
    linear-gradient(180deg, var(--bg-tint), var(--bg));
  padding: 84px 0 68px;
  border-bottom: 1px solid var(--line);
}
.eyebrow, .week-pill {
  display: inline-block; font-weight: 700; font-size: 15px;
  color: var(--primary-dk); background: var(--primary-lt);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.week-pill.w-instructor { background: #e6f0fb; color: var(--blue); }
.hero h1 {
  font-size: clamp(32px, 5.2vw, 52px); font-weight: 800; margin-bottom: 22px;
}
.hero-lead {
  font-size: clamp(18px, 2.2vw, 21px); color: var(--ink-soft);
  max-width: 720px; line-height: 1.8;
}
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-meta span {
  font-size: 16px; font-weight: 600; color: var(--ink-soft);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  padding: 10px 16px; border-radius: 12px;
}

/* 히어로 통계 */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px;
}
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px 18px; text-align: center; box-shadow: var(--shadow);
}
.stat strong { display: block; font-size: 24px; color: var(--primary-dk); margin-bottom: 4px; }
.stat span { font-size: 15px; color: var(--muted); }

/* ---------- 섹션 ---------- */
section { padding: 76px 0; }
.section-tint { background: var(--bg-tint); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-kicker {
  font-weight: 800; font-size: 14px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; margin-bottom: 14px; }
.section-head p { font-size: 18px; color: var(--ink-soft); }

/* ---------- 공감 카드 그리드 (왜 지금) ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pain-card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.pain-card .ico { font-size: 26px; margin-bottom: 12px; display: block; }
.pain-card h4 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.pain-card p { color: var(--ink-soft); font-size: 16.5px; }

/* ---------- 비교 표(지금은 → 이후엔) ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; background: #fff; min-width: 560px; }
thead th {
  background: var(--primary-tt); color: var(--ink); font-weight: 700; font-size: 16px;
  text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line);
}
tbody td { padding: 16px 18px; border-bottom: 1px solid var(--line); font-size: 16.5px; color: var(--ink-soft); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
td.time-col { font-weight: 700; color: var(--ink); white-space: nowrap; }
td.learn strong { color: var(--ink); }
td.learn .sub { display: block; color: var(--muted); font-size: 15px; margin-top: 3px; }
td.after { color: var(--primary-dk); font-weight: 600; }
tr.rest-row td { background: #fafcfb; color: var(--muted); text-align: center; font-size: 15px; }

/* ---------- 4주 흐름 아크 ---------- */
.arc { display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap; justify-content: center; }
.a-node {
  flex: 1 1 180px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 18px; text-align: center; box-shadow: var(--shadow);
}
.a-node .a-wk { font-size: 13px; font-weight: 800; letter-spacing: .06em; color: var(--primary); margin-bottom: 8px; }
.a-node strong { display: block; font-size: 18px; margin-bottom: 4px; }
.a-node span { font-size: 15px; color: var(--muted); }
.a-join { display: flex; align-items: center; color: var(--primary); font-size: 22px; font-weight: 700; }

/* ---------- 주차 카드 ---------- */
.week-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.week-card {
  display: flex; flex-direction: column;
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.week-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-lt); }
.week-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.week-num {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--primary); color: #fff; font-weight: 800; font-size: 18px;
}
.week-badge { margin-left: auto; font-size: 13px; font-weight: 700; color: var(--primary-dk); background: var(--primary-lt); padding: 5px 12px; border-radius: 999px; }
.week-badge.instr { background: #e6f0fb; color: var(--blue); }
.week-domain { font-size: 14px; font-weight: 700; color: var(--muted); margin-bottom: 6px; }
.week-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 10px; }
.week-card p { color: var(--ink-soft); font-size: 16.5px; flex: 1; }
.week-link { margin-top: 18px; font-weight: 700; color: var(--primary); }
.week-card:hover .week-link { color: var(--primary-dk); }

/* ---------- 실증 결과 카드 ---------- */
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.result-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow);
}
.result-card.accent { background: linear-gradient(180deg, var(--primary-tt), #fff); border-color: var(--primary-lt); }
.result-card h4 { font-size: 17px; font-weight: 700; color: var(--muted); margin-bottom: 6px; }
.result-card .big { font-size: 48px; font-weight: 800; color: var(--primary); line-height: 1.1; margin-bottom: 12px; }
.result-card p { color: var(--ink-soft); font-size: 16.5px; }

/* ---------- 인용 ---------- */
.quote {
  background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--primary);
  border-radius: var(--radius-sm); padding: 28px 30px; box-shadow: var(--shadow); margin-top: 8px;
}
.quote strong { display: block; font-size: 20px; line-height: 1.6; margin-bottom: 10px; }
.quote p { color: var(--muted); font-size: 16px; }

/* ---------- 진행 방식 단계 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps.cols-4 { grid-template-columns: repeat(4, 1fr); }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.step-no {
  display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .05em;
  color: var(--primary-dk); background: var(--primary-lt); padding: 5px 12px; border-radius: 999px; margin-bottom: 14px;
}
.step h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--ink-soft); font-size: 16px; }

/* ---------- 체크리스트 ---------- */
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { position: relative; padding: 8px 0 8px 34px; font-size: 16.5px; color: var(--ink-soft); border-bottom: 1px dashed var(--line); }
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 8px;
  width: 22px; height: 22px; border-radius: 50%; background: var(--primary-lt); color: var(--primary-dk);
  display: grid; place-items: center; font-size: 13px; font-weight: 800;
}
.card-plain {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
}
.card-plain h4 { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.two-col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

/* ---------- 스펙(실습 조정 항목) 카드 ---------- */
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.spec-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.spec-ico { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--primary-lt); color: var(--primary-dk); font-weight: 800; font-size: 20px; margin-bottom: 14px; }
.spec-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.spec-card p { color: var(--ink-soft); font-size: 16px; }

/* ---------- Before / After ---------- */
.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.ba-card { border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.ba-card.before { background: #fdf8f2; border-color: #f0e2cf; }
.ba-card.after { background: linear-gradient(180deg, var(--primary-tt), #fff); border-color: var(--primary-lt); }
.ba-label { font-size: 13px; font-weight: 800; letter-spacing: .05em; margin-bottom: 14px; }
.ba-card.before .ba-label { color: var(--warn); }
.ba-card.after .ba-label { color: var(--primary-dk); }
.ba-card ul { margin: 0; padding-left: 20px; }
.ba-card li { font-size: 16.5px; color: var(--ink-soft); margin-bottom: 10px; }

/* ---------- 데이터 흐름 ---------- */
.dataflow { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.df-node { width: 100%; max-width: 640px; text-align: center; border-radius: var(--radius-sm); padding: 20px; box-shadow: var(--shadow); border: 1px solid var(--line); background: #fff; }
.df-node strong { display: block; font-size: 18px; margin-bottom: 4px; }
.df-node span { font-size: 15px; color: var(--muted); }
.df-node.process { background: var(--primary-tt); border-color: var(--primary-lt); }
.df-node.output { background: linear-gradient(180deg, var(--primary-lt), #fff); border-color: var(--primary-lt); }
.df-arrow { color: var(--primary); font-size: 22px; font-weight: 800; }

/* ---------- 칩 ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.chip { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 10px 18px; border-radius: 999px; font-size: 15.5px; font-weight: 600; color: var(--ink-soft); }
.chip::before { content: "●"; color: var(--primary); font-size: 10px; margin-right: 8px; vertical-align: middle; }

/* ---------- 최종 결과물 리스트 ---------- */
.outcome-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.outcome { display: flex; align-items: flex-start; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px 22px; box-shadow: var(--shadow); }
.outcome .oc-ico { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--primary-lt); color: var(--primary-dk); display: grid; place-items: center; font-weight: 800; }
.outcome strong { font-size: 17px; }
.outcome span { display: block; color: var(--muted); font-size: 15px; margin-top: 2px; }

/* ---------- CTA ---------- */
.cta { background: linear-gradient(135deg, var(--primary), var(--primary-dk)); }
.cta-box { text-align: center; color: #fff; max-width: 720px; margin: 0 auto; }
.cta-box h2 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; margin-bottom: 16px; color: #fff; }
.cta-box p { font-size: 18px; color: rgba(255,255,255,.9); margin-bottom: 30px; }
.cta-button {
  display: inline-block; background: #fff; color: var(--primary-dk) !important; font-weight: 800; font-size: 18px;
  padding: 16px 34px; border-radius: 999px; box-shadow: var(--shadow-lg);
}
.cta-button:hover { transform: translateY(-2px); }

/* ---------- 강사 ---------- */
.instructors { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.instr-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.instr-card .tag { font-size: 13px; font-weight: 800; color: var(--primary-dk); background: var(--primary-lt); padding: 5px 12px; border-radius: 999px; }
.instr-card h4 { font-size: 20px; font-weight: 800; margin: 14px 0 6px; }
.instr-card p { color: var(--ink-soft); font-size: 16.5px; }

/* ---------- 주차 크로스 내비 ---------- */
.cross-nav { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.cross-nav a {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px 16px;
  box-shadow: var(--shadow); transition: transform .16s ease, border-color .16s ease;
}
.cross-nav a:hover { transform: translateY(-3px); border-color: var(--primary-lt); }
.cross-nav a.current { background: var(--primary-tt); border-color: var(--primary-lt); }
.cn-tag { display: block; font-size: 12px; font-weight: 800; letter-spacing: .05em; color: var(--primary); margin-bottom: 6px; }
.cross-nav strong { display: block; font-size: 16px; margin-bottom: 2px; }
.cross-nav span { font-size: 13.5px; color: var(--muted); }

/* ---------- 주최·협력 ---------- */
.partners { display: flex; flex-wrap: wrap; justify-content: center; align-items: stretch; gap: 20px; }
.partner {
  flex: 1 1 240px; max-width: 320px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow); text-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
}
.partner .p-role { font-size: 14px; font-weight: 800; letter-spacing: .04em; color: var(--primary-dk); }
.partner .p-logo { max-height: 44px; max-width: 200px; width: auto; height: auto; }
.partner .p-name { font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }

/* ---------- 푸터 ---------- */
footer { background: var(--ink); color: rgba(255,255,255,.72); padding: 40px 0; font-size: 15.5px; }
footer a { color: #fff; font-weight: 600; }
footer a:hover { color: var(--primary-lt); }
.foot-credits { color: rgba(255,255,255,.92); font-size: 15px; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.14); }
.foot-credits strong { color: #fff; }

.mono-inline { font-family: "SFMono-Regular", Consolas, monospace; font-size: .9em; background: var(--primary-tt); border: 1px solid var(--line); color: var(--primary-dk); padding: 2px 8px; border-radius: 6px; }

/* ---------- 반응형 ---------- */
@media (max-width: 860px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .pain-grid, .week-grid, .result-grid, .before-after, .two-col, .instructors, .outcome-grid { grid-template-columns: 1fr; }
  .steps, .steps.cols-4, .spec-grid { grid-template-columns: 1fr; }
  .cross-nav { grid-template-columns: repeat(2, 1fr); }
  .a-join { display: none; }
  .nav-links { display: none; }
  section { padding: 56px 0; }
  .hero { padding: 60px 0 48px; }
}
@media (max-width: 480px) {
  body { font-size: 17px; }
  .stats { grid-template-columns: 1fr; }
  .cross-nav { grid-template-columns: 1fr; }
}