/**
 * BIOHSTEMCELL INTERNATIONAL - LANDING PAGE BÁC SĨ DŨNG
 * Tái hiện 100% bố cục, hình ảnh và phong cách thẩm mỹ của file thiết kế mockup
 */

:root {
  /* Bảng màu chuẩn Luxury Biotech từ ảnh mockup */
  --dr-bronze: #8c6a2e;
  --dr-bronze-dark: #6e4f1b;
  --dr-bronze-light: #b38e5d;
  --dr-gold-tint: #faf5eb;
  --dr-gold-border: #e5d9c5;
  
  --dr-cream-bg: #fbf8f2;
  --dr-white: #ffffff;
  --dr-dark-heading: #181d27;
  --dr-text: #535862;
  --dr-text-muted: #858d9d;

  --dr-dark-stage: #141a24;
  --dr-dark-card: #1c2432;
  
  --dr-border: #ece4d4;
  --dr-border-light: #f0ebe0;
  
  --dr-shadow-sm: 0 2px 8px rgba(140, 106, 46, 0.05);
  --dr-shadow-md: 0 6px 20px rgba(140, 106, 46, 0.08);
  --dr-shadow-lg: 0 16px 36px rgba(140, 106, 46, 0.12);
  --dr-shadow-gold: 0 8px 24px -4px rgba(140, 106, 46, 0.3);

  --dr-radius-sm: 8px;
  --dr-radius-md: 12px;
  --dr-radius-lg: 16px;
  --dr-radius-xl: 22px;
  --dr-radius-full: 9999px;

  --dr-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Wrapper */
.drdung-page {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--dr-text);
  background-color: var(--dr-white);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

.drdung-page * {
  box-sizing: border-box;
}

/* Container — 1400px đồng bộ chính xác với navbar và footer */
.drdung-container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  box-sizing: border-box;
}

/* Sections */
.drdung-section {
  padding: 70px 0;
  position: relative;
}

.drdung-section--white {
  background-color: var(--dr-white);
}

.drdung-section--cream {
  background-color: var(--dr-cream-bg);
}

.drdung-section--luxury-bg {
  position: relative;
  background-color: #f7f3eb;
  background-image: url('../images/backgrounds/drdung_luxury_bg.jpg');
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
}

.drdung-section--luxury-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 25%, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.18) 100%);
  pointer-events: none;
  z-index: 1;
}

.drdung-section--luxury-bg .drdung-container {
  position: relative;
  z-index: 2;
}

.drdung-text-highlight {
  color: #925821 !important;
}

/* Headers & Badges */
.drdung-section-header {
  max-width: 820px;
  margin: 0 auto 46px auto;
}

.drdung-section-header.drdung-header-wide {
  max-width: 1200px;
}

.drdung-section-header.drdung-header-wide .drdung-section-desc {
  max-width: 820px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .drdung-title-single-line {
    white-space: nowrap;
    font-size: clamp(20px, 2.2vw, 32px);
  }
}

.drdung-section-header.text-center {
  text-align: center;
}

.drdung-pill-badge {
  display: inline-block;
  padding: 6px 18px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dr-bronze);
  background-color: var(--dr-gold-tint);
  border: 1px solid var(--dr-gold-border);
  border-radius: var(--dr-radius-full);
  margin-bottom: 14px;
}

.drdung-pill-badge--dark {
  background-color: rgba(255, 255, 255, 0.12);
  color: #f7e7c4;
  border-color: rgba(229, 217, 197, 0.3);
}

.drdung-section-title {
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 800;
  color: var(--dr-dark-heading);
  line-height: 1.25;
  margin: 0 0 14px 0;
  letter-spacing: -0.5px;
}

.drdung-title-left {
  text-align: left;
}

.drdung-section-subtitle {
  font-size: 16px;
  font-weight: 700;
  color: var(--dr-bronze);
  margin: 0 0 14px 0;
}

.drdung-section-desc {
  font-size: 15px;
  color: var(--dr-text);
  line-height: 1.65;
  margin: 0;
}

/* Sub labels for 2-column section */
.drdung-sub-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dr-bronze);
  display: block;
  margin-bottom: 8px;
}

/* Buttons */
.drdung-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 14.5px;
  font-weight: 700;
  border-radius: var(--dr-radius-full);
  background: linear-gradient(135deg, var(--dr-bronze) 0%, var(--dr-bronze-dark) 100%);
  color: #ffffff !important;
  text-decoration: none;
  cursor: pointer;
  transition: var(--dr-transition);
  border: none;
  box-shadow: var(--dr-shadow-gold);
  line-height: 1.2;
}

.drdung-btn-primary:hover {
  background: linear-gradient(135deg, var(--dr-bronze-dark) 0%, #563c12 100%);
  box-shadow: 0 10px 28px -4px rgba(140, 106, 46, 0.45);
  transform: translateY(-2px);
}

.drdung-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14.5px;
  font-weight: 700;
  border-radius: var(--dr-radius-full);
  background: #fdfbf7;
  color: var(--dr-dark-heading) !important;
  border: 1.5px solid #d9cbaf;
  text-decoration: none;
  cursor: pointer;
  transition: var(--dr-transition);
  line-height: 1.2;
}

.drdung-btn-secondary:hover {
  background: var(--dr-gold-tint);
  border-color: var(--dr-bronze);
  color: var(--dr-bronze-dark) !important;
  transform: translateY(-2px);
}

.drdung-btn-block {
  width: 100%;
}

/* ========================================================
   1. HERO SECTION
   ======================================================== */
.drdung-hero {
  background: radial-gradient(circle at 85% 20%, rgba(229, 217, 197, 0.28) 0%, transparent 55%),
              linear-gradient(180deg, #fcf9f2 0%, #f6f0e4 100%);
  padding: 60px 0 70px 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--dr-border);
}

.drdung-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.drdung-hero-left {
  z-index: 2;
}

.drdung-pill-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dr-bronze);
  background-color: var(--dr-gold-tint);
  border: 1px solid var(--dr-gold-border);
  border-radius: var(--dr-radius-full);
  margin-bottom: 16px;
}

.drdung-hero-title {
  font-size: clamp(34px, 4.4vw, 50px);
  font-weight: 900;
  color: var(--dr-dark-heading);
  letter-spacing: -0.5px;
  line-height: 1.12;
  margin: 0 0 14px 0;
}

.drdung-hero-title span {
  color: var(--dr-dark-heading);
}

.drdung-hero-subtitle {
  font-size: 17px;
  font-weight: 700;
  color: var(--dr-bronze);
  margin: 0 0 18px 0;
}

.drdung-hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.drdung-mini-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--dr-text);
  background-color: var(--dr-gold-tint);
  border: 1px solid var(--dr-gold-border);
  border-radius: var(--dr-radius-full);
}

.drdung-mini-pill svg {
  color: var(--dr-bronze);
}

.drdung-hero-desc {
  font-size: 15.5px;
  color: var(--dr-text);
  line-height: 1.7;
  margin: 0 0 28px 0;
}

.drdung-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.drdung-hero-right {
  position: relative;
  display: flex;
  justify-content: center;
  z-index: 2;
}

.drdung-hero-image-wrap {
  position: relative;
  width: 100%;
  max-width: 440px;
}

.drdung-hero-doctor-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--dr-radius-xl);
  box-shadow: 0 20px 48px rgba(140, 106, 46, 0.18);
  border: 4px solid #ffffff;
  object-fit: cover;
}

.drdung-hero-quote-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: #ffffff;
  padding: 16px 20px;
  border-radius: var(--dr-radius-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--dr-gold-border);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 320px;
}

.drdung-quote-icon {
  color: var(--dr-bronze);
  flex-shrink: 0;
  margin-top: 2px;
}

.drdung-quote-text {
  font-size: 13.5px;
  font-weight: 700;
  font-style: italic;
  color: var(--dr-dark-heading);
  margin: 0 0 4px 0;
  line-height: 1.4;
}

.drdung-quote-author {
  font-size: 12px;
  color: var(--dr-bronze);
  font-weight: 700;
  display: block;
}

/* Stats Bar */
.drdung-hero-stats {
  margin-top: 50px;
  padding: 24px 30px;
  background: #ffffff;
  border-radius: var(--dr-radius-lg);
  box-shadow: var(--dr-shadow-sm);
  border: 1px solid var(--dr-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.drdung-stat-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.drdung-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dr-gold-tint);
  color: var(--dr-bronze);
  border: 1px solid var(--dr-gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.drdung-stat-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--dr-dark-heading);
  line-height: 1.2;
}

.drdung-stat-label {
  font-size: 13.5px;
  color: var(--dr-text);
}

.drdung-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--dr-border);
}

/* ========================================================
   2. GIỚI THIỆU BÁC SĨ (Clean & Premium Layout - No 3D BG)
   ======================================================== */
.drdung-about-clean-section {
  background: linear-gradient(180deg, #ffffff 0%, #fcfbf8 100%);
  padding: 44px 0 60px 0;
  border-bottom: 1px solid rgba(229, 217, 197, 0.5);
  position: relative;
}

.drdung-about-split-grid {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1140px;
  margin: 0 auto;
}

.drdung-about-poster-col {
  width: 100%;
  display: flex;
  justify-content: center;
}

.drdung-poster-clean-wrap {
  position: relative;
  width: 100%;
  max-width: 350px;
  border-radius: 18px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(220, 205, 185, 0.85);
  box-shadow: 0 16px 36px rgba(184, 123, 40, 0.1), 0 4px 12px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.drdung-poster-clean-wrap:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 50px rgba(184, 123, 40, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
}

.drdung-poster-clean-img {
  width: 100%;
  height: auto;
  display: block;
}

.drdung-poster-play-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 700;
  color: #181d27;
  border: 1px solid rgba(220, 205, 185, 0.8);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  transition: all 0.25s ease;
}

.drdung-poster-clean-wrap:hover .drdung-poster-play-badge {
  background: #ffffff;
  color: #925821;
  border-color: #b87b28;
}

.drdung-play-icon-circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fdf5e8;
  color: #b87b28;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tiêu đề & Nội dung mô tả ở dưới tiêu đề (Căn giữa hoàn toàn) */
.drdung-about-header-top {
  max-width: 860px;
  margin: 0 auto 36px auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.drdung-about-header-top .drdung-pill-badge {
  margin-bottom: 12px;
}

.drdung-about-title {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 900;
  color: #181d27;
  line-height: 1.2;
  margin: 0 0 8px 0;
  letter-spacing: -0.5px;
  text-align: center;
}

.drdung-about-subtitle {
  font-size: 16px;
  font-weight: 700;
  color: #925821;
  margin: 0 0 14px 0;
  text-align: center;
}

.drdung-about-desc {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.7;
  margin: 0 auto;
  max-width: 800px;
  text-align: center;
}

.drdung-about-content-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.drdung-about-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.drdung-feat-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid rgba(225, 212, 195, 0.65);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: default;
}

.drdung-feat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(184, 123, 40, 0.12);
  border-color: rgba(184, 123, 40, 0.45);
}

.drdung-feat-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #fdf5e8;
  border: 1px solid #fae8cc;
  color: #b87b28;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.drdung-feat-card:hover .drdung-feat-card-icon {
  background: #b87b28;
  color: #ffffff;
  border-color: #b87b28;
}

.drdung-feat-card-content {
  flex: 1;
}

.drdung-feat-card-title {
  font-size: 14.5px;
  font-weight: 800;
  color: #181d27;
  margin: 0 0 3px 0;
  line-height: 1.25;
}

.drdung-feat-card-sub {
  font-size: 12px;
  color: #6b7280;
  margin: 0;
  line-height: 1.4;
}

.drdung-feat-card-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #c49a62;
  transition: transform 0.3s ease;
}

.drdung-feat-card:hover .drdung-feat-card-arrow {
  transform: translateX(3px);
  color: #925821;
}

/* 2 Action Buttons in 2 Columns matching the 6 cards above */
.drdung-about-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  width: 100%;
}

.drdung-btn-about-booking {
  background: linear-gradient(135deg, #b87b28 0%, #8e5518 100%);
  color: #ffffff !important;
  box-shadow: 0 6px 18px rgba(184, 123, 40, 0.28);
  padding: 13px 18px;
  font-size: 14px;
  font-weight: 800;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  cursor: pointer;
  min-height: 48px;
  white-space: nowrap;
}

.drdung-btn-about-booking:hover {
  background: linear-gradient(135deg, #a06421 0%, #76450f 100%);
  box-shadow: 0 10px 24px rgba(184, 123, 40, 0.38);
  transform: translateY(-2px);
  color: #ffffff !important;
}

.drdung-btn-about-hotline {
  background: #ffffff;
  color: #8e5518 !important;
  border: 1.5px solid #d4a76a;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.03);
  padding: 13px 18px;
  font-size: 14.5px;
  font-weight: 800;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  min-height: 48px;
  white-space: nowrap;
}

.drdung-btn-about-hotline:hover {
  background: #fdf6ec;
  border-color: #b87b28;
  color: #72420e !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(184, 123, 40, 0.16);
}

/* ========================================================
   3. KHÔNG GIAN PHÒNG KHÁM (3 Thẻ ngang)
   ======================================================== */
.drdung-clinic-3cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.drdung-photo-card {
  border-radius: var(--dr-radius-lg);
  overflow: hidden;
  box-shadow: var(--dr-shadow-sm);
  border: 1px solid var(--dr-border);
  cursor: pointer;
  background: #ffffff;
  transition: var(--dr-transition);
}

.drdung-photo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--dr-shadow-md);
  border-color: var(--dr-bronze);
}

.drdung-photo-frame {
  position: relative;
  overflow: hidden;
}

.drdung-photo-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.drdung-photo-card:hover .drdung-photo-img {
  transform: scale(1.03);
}

.drdung-photo-bottom-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(20, 26, 36, 0.92) 100%);
  padding: 30px 16px 16px 16px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.drdung-photo-bottom-caption svg {
  color: #dfc19c;
  flex-shrink: 0;
}

/* ========================================================
   4. NGHIÊN CỨU & ĐÀO TẠO (4 Thẻ)
   ======================================================== */
.drdung-carousel-controls {
  position: absolute;
  top: 10px;
  right: 0;
  display: flex;
  gap: 8px;
}

.drdung-nav-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid #d9cbaf;
  color: var(--dr-dark-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--dr-transition);
}

.drdung-nav-arrow:hover {
  background: var(--dr-bronze);
  color: #ffffff;
  border-color: var(--dr-bronze);
}

.drdung-training-4cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.drdung-card-box {
  background: #ffffff;
  border-radius: var(--dr-radius-md);
  overflow: hidden;
  border: 1px solid var(--dr-border);
  box-shadow: var(--dr-shadow-sm);
  transition: var(--dr-transition);
  cursor: pointer;
}

.drdung-card-box:hover {
  transform: translateY(-4px);
  border-color: var(--dr-bronze);
  box-shadow: var(--dr-shadow-md);
}

.drdung-card-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #f1f5f9;
}

.drdung-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.drdung-card-box:hover .drdung-card-img-wrap img {
  transform: scale(1.04);
}

.drdung-card-content {
  padding: 16px;
}

.drdung-card-title {
  font-size: 14.5px;
  font-weight: 800;
  color: var(--dr-dark-heading);
  margin: 0 0 6px 0;
  line-height: 1.35;
}

.drdung-card-sub {
  font-size: 12.5px;
  color: var(--dr-bronze);
  font-weight: 600;
  margin: 0;
}

/* ========================================================
   5. QUY TRÌNH CHĂM SÓC & ĐIỀU TRỊ (4 Bước Chuẩn Y Khoa)
   ======================================================== */
.drdung-process-4cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.drdung-proc-item {
  background: #ffffff;
  border-radius: var(--dr-radius-lg);
  overflow: hidden;
  border: 1px solid var(--dr-border);
  box-shadow: var(--dr-shadow-sm);
  transition: var(--dr-transition);
  cursor: pointer;
}

.drdung-proc-item:hover {
  transform: translateY(-4px);
  border-color: var(--dr-bronze);
  box-shadow: var(--dr-shadow-md);
}

.drdung-proc-photo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f1f5f9;
}

.drdung-proc-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.drdung-proc-item:hover .drdung-proc-photo-wrap img {
  transform: scale(1.04);
}

.drdung-step-pill {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--dr-radius-full);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.drdung-step-number {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--dr-bronze);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.drdung-step-name {
  font-size: 13px;
  font-weight: 800;
  color: var(--dr-dark-heading);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drdung-proc-info {
  padding: 16px 18px;
}

.drdung-proc-text {
  font-size: 13.5px;
  color: var(--dr-text);
  margin: 0;
  line-height: 1.5;
}

/* ========================================================
   6. GIẢI PHÁP BIOHSTEMCELL (Infographic & Checklist)
   ======================================================== */
.drdung-solution-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.drdung-solution-img-box {
  border-radius: var(--dr-radius-lg);
  overflow: hidden;
  box-shadow: var(--dr-shadow-md);
  border: 1px solid var(--dr-border);
  cursor: pointer;
}

.drdung-solution-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.drdung-solution-img-box:hover .drdung-solution-img {
  transform: scale(1.02);
}

.drdung-solution-desc {
  font-size: 15.5px;
  color: var(--dr-text);
  line-height: 1.65;
  margin: 0 0 24px 0;
}

.drdung-check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.drdung-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  color: var(--dr-dark-heading);
  font-weight: 600;
  line-height: 1.45;
}

.drdung-check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--dr-gold-tint);
  color: var(--dr-bronze);
  border: 1px solid var(--dr-gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ========================================================
   7. SỰ KIỆN NỔI BẬT: HỘI NGHỊ IGBC 2026 (Clean & Balanced)
   ======================================================== */
.drdung-igbc-section {
  background: #f8f2e8 !important;
  background-image: none !important;
  color: #181d27;
  padding: 60px 0;
  border-top: 1px solid rgba(220, 205, 185, 0.7);
  border-bottom: 1px solid rgba(220, 205, 185, 0.7);
  position: relative;
}

.drdung-igbc-section::before {
  display: none !important;
}

.drdung-igbc-grid {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 52px;
  align-items: center;
  max-width: 1020px;
  margin: 0 auto;
}

.drdung-igbc-left {
  max-width: 620px;
}

.drdung-igbc-left .drdung-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  color: #a36522;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1px solid rgba(163, 101, 34, 0.25);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
  margin-bottom: 14px;
}

.drdung-igbc-title {
  font-size: clamp(24px, 2.5vw, 32px);
  font-weight: 800;
  color: #161c24;
  line-height: 1.3;
  margin: 0 0 12px 0;
  letter-spacing: -0.3px;
}

.drdung-igbc-title .drdung-text-highlight {
  color: #a36522 !important;
  display: inline;
}

.drdung-igbc-desc {
  font-size: 15px;
  color: #4a5568;
  margin: 0 0 22px 0;
  line-height: 1.6;
}

.drdung-igbc-logos {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.drdung-partner-logo {
  background: #ffffff;
  border-radius: 10px;
  padding: 8px 16px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid #e2e8f0;
  transition: all 0.25s ease;
}

.drdung-partner-logo:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(163, 101, 34, 0.12);
  border-color: rgba(163, 101, 34, 0.4);
}

.logo-igbc {
  color: #007b8b;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.logo-cosmo {
  color: #003366;
  text-align: center;
  line-height: 1.1;
  font-weight: 800;
  font-size: 12.5px;
}

.logo-cosmo small {
  font-size: 9px;
  color: #64748b;
  display: block;
  font-weight: 700;
}

.logo-vietbeauty {
  color: #007880;
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.drdung-igbc-details-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
  max-width: 520px;
}

.drdung-igbc-detail-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  border: 1px solid rgba(220, 205, 185, 0.85);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
}

.drdung-igbc-detail-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(163, 101, 34, 0.1);
  border-color: rgba(163, 101, 34, 0.5);
  background: #ffffff;
}

.drdung-igbc-detail-card .drdung-detail-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #fdf5e8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a36522;
  flex-shrink: 0;
}

.drdung-igbc-detail-card strong {
  display: block;
  font-size: 13.5px;
  font-weight: 800;
  color: #1a202c;
  margin-bottom: 2px;
}

.drdung-igbc-detail-card span {
  font-size: 12px;
  color: #718096;
  font-weight: 500;
}

.drdung-btn-gold-action {
  background: linear-gradient(135deg, #b87b28 0%, #8e5518 100%);
  color: #ffffff !important;
  box-shadow: 0 6px 18px rgba(150, 90, 25, 0.28);
  padding: 12px 28px;
  font-size: 14.5px;
  font-weight: 700;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}

.drdung-btn-gold-action:hover {
  background: linear-gradient(135deg, #a06421 0%, #76450f 100%);
  box-shadow: 0 10px 24px rgba(150, 90, 25, 0.38);
  transform: translateY(-2px);
}

.drdung-speaker-photo-wrap {
  position: relative;
  width: 100%;
  max-width: 310px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #ebd9c5;
  box-shadow: 0 12px 32px rgba(22, 28, 36, 0.08), 0 2px 6px rgba(0, 0, 0, 0.03);
  background: #ffffff;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.drdung-speaker-photo-wrap:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(184, 123, 40, 0.16), 0 4px 12px rgba(0, 0, 0, 0.06);
}

.drdung-speaker-photo {
  width: 100%;
  height: auto;
  display: block;
}

.drdung-speaker-photo-zoom {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(26, 32, 44, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  opacity: 0.85;
  transition: opacity 0.2s ease, background 0.2s ease;
  pointer-events: none;
}

.drdung-speaker-photo-wrap:hover .drdung-speaker-photo-zoom {
  opacity: 1;
  background: rgba(184, 123, 40, 0.95);
}

/* ========================================================
   8. KIẾN THỨC DA LIỄU & FORM ĐẶT LỊCH (2 Cột Chuẩn)
   ======================================================== */
.drdung-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.drdung-dual-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--dr-dark-heading);
  line-height: 1.35;
  margin: 0 0 24px 0;
}

/* Cột Trái: Danh sách bài viết */
.drdung-article-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.drdung-article-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid var(--dr-border);
  border-radius: var(--dr-radius-md);
  text-decoration: none;
  transition: var(--dr-transition);
  box-shadow: var(--dr-shadow-sm);
}

.drdung-article-row:hover {
  transform: translateX(4px);
  border-color: var(--dr-bronze);
  background: var(--dr-gold-tint);
  box-shadow: var(--dr-shadow-md);
}

.drdung-article-thumb {
  width: 58px;
  height: 58px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: #f1f5f9;
}

.drdung-article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.drdung-article-name {
  flex: 1;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--dr-dark-heading);
  line-height: 1.4;
}

.drdung-article-arrow {
  color: var(--dr-bronze);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.drdung-article-row:hover .drdung-article-arrow {
  transform: translateX(4px);
}

/* Cột Phải: Form Đặt lịch tư vấn */
.drdung-booking-form-box {
  background: #ffffff;
  padding: 30px;
  border-radius: var(--dr-radius-lg);
  border: 1px solid var(--dr-border);
  box-shadow: var(--dr-shadow-md);
}

.drdung-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.drdung-form-col {
  position: relative;
}

.drdung-form-group {
  margin-bottom: 14px;
}

.drdung-form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--dr-dark-heading);
  background-color: #ffffff;
  border: 1px solid #d0d5dd;
  border-radius: var(--dr-radius-sm);
  outline: none;
  transition: var(--dr-transition);
}

.drdung-form-input:focus {
  border-color: var(--dr-bronze);
  box-shadow: 0 0 0 3px rgba(140, 106, 46, 0.15);
}

.drdung-form-input.error {
  border-color: #ef4444;
  background-color: #fef2f2;
}

.drdung-select {
  cursor: pointer;
}

.drdung-date-wrap {
  position: relative;
}

.drdung-textarea {
  resize: vertical;
}

.drdung-error-msg {
  font-size: 12px;
  color: #dc2626;
  margin-top: 4px;
  display: none;
}

.drdung-alert-box {
  padding: 12px 16px;
  border-radius: var(--dr-radius-sm);
  font-size: 13.5px;
  margin-bottom: 16px;
  line-height: 1.45;
}

.drdung-alert-box.success {
  background-color: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.drdung-alert-box.error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ========================================================
   LIGHTBOX MODAL
   ======================================================== */
.drdung-lightbox {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 20px;
}

.drdung-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.drdung-lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.drdung-lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--dr-radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(229, 217, 197, 0.25);
}

.drdung-lightbox-caption {
  color: #f1f5f9;
  font-size: 14.5px;
  margin-top: 14px;
  text-align: center;
  max-width: 700px;
  line-height: 1.5;
}

.drdung-lightbox-counter {
  position: absolute;
  top: 24px;
  left: 30px;
  color: #dfc19c;
  font-size: 14px;
  font-weight: 700;
}

.drdung-lightbox-close {
  position: absolute;
  top: 20px;
  right: 25px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #ffffff;
  font-size: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

.drdung-lightbox-close:hover {
  background: var(--dr-bronze);
  color: #ffffff;
}

.drdung-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #ffffff;
  font-size: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.drdung-lightbox-nav:hover {
  background: var(--dr-bronze);
  color: #ffffff;
}

.drdung-lightbox-prev {
  left: 30px;
}

.drdung-lightbox-next {
  right: 30px;
}

/* ========================================================
   RESPONSIVE DESIGN (Desktop, Tablet, Mobile)
   ======================================================== */
@media (max-width: 1024px) {
  .drdung-hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .drdung-hero-right {
    order: -1;
  }

  .drdung-hero-image-wrap {
    max-width: 380px;
  }

  .drdung-hero-quote-card {
    right: 0;
    bottom: -15px;
  }

  .drdung-about-header-top {
    margin-bottom: 24px;
  }

  .drdung-about-split-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .drdung-about-poster-col {
    position: static;
    max-width: 340px;
    margin: 0 auto;
    width: 100%;
  }

  .drdung-clinic-3cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .drdung-training-4cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .drdung-process-4cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .drdung-solution-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .drdung-igbc-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }

  .drdung-igbc-left {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .drdung-igbc-logos {
    justify-content: center;
  }

  .drdung-igbc-details-row {
    margin: 0 auto 24px auto;
  }

  .drdung-speaker-photo-wrap {
    max-width: 300px;
    margin: 0 auto;
  }

  .drdung-dual-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .drdung-section {
    padding: 50px 0;
  }

  .drdung-hero-title {
    font-size: 32px;
  }

  .drdung-hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .drdung-stat-divider {
    display: none;
  }

  .drdung-about-cards-grid {
    grid-template-columns: 1fr;
  }

  .drdung-about-actions {
    grid-template-columns: 1fr;
    gap: 10px;
    width: 100%;
  }

  .drdung-about-actions a {
    width: 100%;
    justify-content: center;
  }

  .drdung-igbc-title {
    font-size: 26px;
    line-height: 1.25;
  }

  .drdung-igbc-details-row {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 20px auto;
  }

  .drdung-btn-gold-action {
    width: auto;
    max-width: 100%;
    justify-content: center;
  }

  .drdung-igbc-logos {
    justify-content: center;
  }

  .drdung-speaker-photo-wrap {
    max-width: 270px;
  }

  .drdung-training-4cards {
    grid-template-columns: 1fr;
  }

  .drdung-process-4cards {
    grid-template-columns: 1fr;
  }

  .drdung-form-row {
    grid-template-columns: 1fr;
  }

  .drdung-booking-form-box {
    padding: 20px;
  }

  .drdung-hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .drdung-hero-actions a {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .drdung-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .drdung-hero-title {
    font-size: 28px;
  }

  .drdung-hero-quote-card {
    position: static;
    margin-top: 14px;
    max-width: 100%;
  }

  .drdung-lightbox-nav {
    width: 38px;
    height: 38px;
    font-size: 20px;
  }

  .drdung-lightbox-prev {
    left: 10px;
  }

  .drdung-lightbox-next {
    right: 10px;
  }
}