/* ============================================================
   promise.css — 든든한치과 "과잉 없는 최소 진료 원칙" 페이지 전용 스타일
   denture.css / implant.css 와 동일한 구조·톤을 이어받습니다.
   ============================================================ */

/* ===== 공통 레이아웃 ===== */
.prom-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.prom-section-label {
  font-size: 13px;
  font-weight: 500;
  color: #1198d6;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
  text-align: center;
}

.prom-section-title {
  font-size: 28px;
  font-weight: 800;
  color: #0a2540;
  line-height: 1.25;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: -0.02em;
}

/* ===== 1. 히어로 ===== */
.prom-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.prom-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../promise_bg.png');
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
  z-index: 0;
}

.prom-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
}

.prom-hero-content {
  padding: 120px 0 60px;
  max-width: 600px;
}

.prom-hero-label {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.prom-hero-title {
  font-size: 44px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  font-family: 'ChosunIlboMyungjo', serif;
}

.prom-hero-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  margin-bottom: 36px;
}

.prom-hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.prom-btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.prom-btn:hover { transform: translateY(-2px); opacity: 0.92; }

.prom-btn-primary { background: #1198d6; color: #fff; }

.prom-btn-outline {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(6px);
}

/* ===== 2. 약속 문구 (다크 네이비) ===== */
.prom-vow {
  background: #0a2540;
  padding: 64px 0;
}

.prom-vow-badge {
  display: block;
  width: fit-content;
  margin: 0 auto 28px;
  background: rgba(255, 255, 255, 0.08);
  color: #5bc4f5;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 7px 18px;
  border-radius: 50px;
  text-transform: uppercase;
}

.prom-vow-lines {
  max-width: 640px;
  margin: 0 auto;
}

.prom-break { display: inline; }

.prom-vow-line {
  color: #fff;
  font-family: 'ChosunIlboMyungjo', serif;
  font-size: 17px;
  line-height: 1.9;
  text-align: center;
  word-break: keep-all;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.prom-vow-line:last-child { border-bottom: none; }

.prom-vow-line strong {
  color: #5bc4f5;
  font-weight: 800;
}

/* ===== 4. 3가지 원칙 (특별함 카드) ===== */
.prom-principles {
  background: #f8f9fb;
  padding: 72px 0;
}

.prom-principle-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 16px;
}

.prom-principle-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid #eef0f4;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.prom-principle-card:hover {
  box-shadow: 0 8px 32px rgba(17, 152, 214, 0.1);
  transform: translateY(-3px);
}

.prom-principle-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
}

.prom-principle-icon svg { width: 100%; height: 100%; }

.prom-principle-title {
  font-size: 16px;
  font-weight: 700;
  color: #0a2540;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.prom-principle-desc {
  font-size: 13px;
  color: #666;
  line-height: 1.7;
}

/* ===== 5. 진료 기준 비교 ===== */
.prom-compare {
  background: #fff;
  padding: 72px 0;
}

.prom-compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 780px;
  margin: 0 auto;
}

.prom-compare-card {
  background: #f8f9fb;
  border-radius: 20px;
  padding: 26px 20px;
  border: 1px solid #eef0f4;
}

.prom-compare-yes {
  background: #f0f8fe;
  border-color: #dcf0fb;
}

.prom-compare-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.prom-compare-card .prom-compare-tag { background: #9aa5b1; color: #fff; }
.prom-compare-yes .prom-compare-tag { background: #1198d6; color: #fff; }

.prom-compare-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.prom-compare-card li {
  font-size: 13px;
  line-height: 1.6;
  color: #444;
  padding-left: 16px;
  position: relative;
  word-break: keep-all;
}

.prom-compare-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #9aa5b1;
}

.prom-compare-yes li::before { background: #1198d6; }

/* ===== 6. 후기 ===== */
.prom-reviews {
  background: #f8f9fb;
  padding: 72px 0;
}

.prom-review-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 1100px;
  margin: 0 auto;
}

.prom-review-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #eef0f4;
  box-shadow: 0 4px 18px rgba(10, 37, 64, 0.06);
}

.prom-review-card img {
  width: 100%;
  display: block;
}

/* ===== 7. 원장님 약속 (보증 배너) ===== */
.prom-quote {
  background: #f0f8fe;
  padding: 52px 0;
}

.prom-quote-box {
  background: #1198d6;
  border-radius: 20px;
  padding: 36px 32px;
  display: flex;
  align-items: flex-start;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.prom-quote-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.prom-quote-icon svg { width: 28px; height: 28px; }

.prom-quote-text h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.prom-quote-text p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 10px;
}

.prom-quote-name {
  display: block;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 600;
}

/* ===== 8. CTA ===== */
.prom-cta {
  background: #fff;
  padding: 72px 0;
  text-align: center;
}

.prom-cta-title {
  font-size: 26px;
  font-weight: 800;
  color: #0a2540;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.prom-cta-desc {
  font-size: 14px;
  color: #888;
  margin-bottom: 36px;
}

.prom-cta-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
  margin: 0 auto;
}

.prom-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.prom-cta-btn:hover { transform: translateY(-2px); opacity: 0.9; }

.prom-cta-kakao { background: #fee500; color: #3c1e1e; }
.prom-cta-naver { background: #03c75a; color: #fff; }
.prom-cta-tel   { background: #f2f4f8; color: #0a2540; }

/* ===== 면책 ===== */
.prom-disclaimer {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  text-align: center;
}

.prom-disclaimer p {
  font-size: 11px;
  color: #9ca3af;
  line-height: 1.7;
  word-break: keep-all;
}

/* ===== PC 대응 (768px+) ===== */
@media (min-width: 768px) {
  .prom-hero-inner {
    padding: 0 60px;
  }
  .prom-hero-content {
    padding: 0 0 80px;
    margin-left: auto;
    margin-right: 0;
    text-align: right;
  }
  .prom-hero-btns { justify-content: flex-end; }
  .prom-hero-title { font-size: 68px; }
  .prom-hero-desc { font-size: 16px; }

  .prom-section-title { font-size: 36px; }

  .prom-vow-lines { max-width: 940px; }
  .prom-vow-line { font-size: 20px; }
  .prom-break { display: none; }

  .prom-principle-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }

  .prom-compare-grid { gap: 24px; }
  .prom-compare-card { padding: 34px 30px; }
  .prom-compare-card li { font-size: 14px; }

  .prom-review-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }

  .prom-quote-box { padding: 44px 48px; }
  .prom-quote-text h3 { font-size: 20px; }
  .prom-quote-text p { font-size: 14.5px; }

  .prom-cta-btns {
    flex-direction: row;
    max-width: 600px;
    justify-content: center;
  }
  .prom-cta-btn { padding: 16px 32px; }
}

@media (min-width: 1024px) {
  .prom-hero-title { font-size: 80px; }
}