/* ==========================================================================
   BÁC SĨ NGUYỄN VĂN CƯỜNG — DESIGN SYSTEM (BOUTIQUE MEDICAL LUXURY)
   Palette: Royal Emerald Jade (#082e29), Obsidian Night (#041d1a), 
            Champagne Imperial Gold (#d4af37), Healing Mint (#10b981)
   Typography: Outfit (Headings) + Be Vietnam Pro (Vietnamese-Optimized Body)
   ========================================================================== */

:root {
  --navy: #082e29;             /* Deep Royal Emerald */
  --navy-dark: #041d1a;        /* Deep Obsidian Emerald */
  --navy-soft: #0e3d36;        /* Soft Emerald Spruce */
  --blue: #0b6e63;             /* Imperial Jade Teal */
  --blue-light: #0d8a7c;       /* Luminous Jade */
  --cyan: #10b981;             /* Healing Emerald Mint */
  --cyan-soft: #e6f7f4;        /* Soft Mint Glow */
  --gold: #d4af37;             /* Imperial Champagne Gold */
  --gold-light: #fef08a;       /* Luminous Champagne */
  --gold-gradient: linear-gradient(135deg, #e6ca65 0%, #d4af37 50%, #aa7c11 100%);
  --bg-light: #f6f8f7;         /* Warm Alabaster Canvas */
  --bg-white: #ffffff;
  --bg-subtle: #edf2f0;
  --text-main: #0c1c1a;
  --text-body: #2d3748;
  --text-muted: #5a6a68;
  --text-light: #889896;
  --border-light: #e0e8e6;
  --border-card: rgba(8, 46, 41, 0.08);
  --shadow-sm: 0 1px 3px rgba(4, 29, 26, 0.05);
  --shadow-md: 0 6px 24px -2px rgba(4, 29, 26, 0.08);
  --shadow-lg: 0 14px 40px -4px rgba(4, 29, 26, 0.14);
  --shadow-gold: 0 8px 24px -2px rgba(212, 175, 55, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: var(--font-heading);
  --font-sans: var(--font-body);
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background-color: var(--bg-light);
  line-height: 1.75;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.dr-container {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Section Common */
.dr-section {
  padding: 90px 0;
  position: relative;
}

.dr-section-dark {
  background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: #ffffff;
}

.dr-section-dark h2,
.dr-section-dark h3,
.dr-section-dark p {
  color: #ffffff;
}

.dr-section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.dr-pill-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 119, 182, 0.08);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  border: 1px solid rgba(0, 119, 182, 0.2);
}

.dr-section-dark .dr-pill-label {
  background: rgba(0, 180, 216, 0.15);
  color: var(--cyan);
  border-color: rgba(0, 180, 216, 0.3);
}

.dr-section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.dr-section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.dr-section-dark .dr-section-subtitle {
  color: #cbd5e1;
}

/* ==========================================================================
   TOP NOTIFICATION BAR
   ========================================================================== */
.dr-topbar {
  background-color: var(--navy-dark);
  color: #cbd5e1;
  font-size: 0.84rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dr-topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dr-topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.dr-badge-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #22c55e;
}

.dr-topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.dr-topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #e2e8f0;
}

.dr-topbar-link:hover {
  color: var(--cyan);
}

.dr-sep {
  color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.dr-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.dr-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

/* Brand */
.dr-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.dr-brand-avatar {
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
  box-shadow: 0 2px 8px rgba(197, 155, 39, 0.2);
}

.dr-brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.dr-brand-sub {
  font-size: 0.78rem;
  color: var(--blue);
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* Nav */
.dr-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.dr-nav a {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--navy);
  position: relative;
  padding: 8px 0;
}

.dr-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: var(--transition);
  border-radius: 2px;
}

.dr-nav a:hover,
.dr-nav a.active {
  color: var(--blue);
}

.dr-nav a:hover::after,
.dr-nav a.active::after {
  width: 100%;
}

.dr-nav a.nav-highlight {
  color: var(--blue);
  font-weight: 700;
}

/* Header Actions */
.dr-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header-zalo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #0068ff;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(0, 104, 255, 0.25);
  transition: var(--transition);
}

.btn-header-zalo:hover {
  background-color: #0056d6;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.35);
  color: #ffffff;
}

.btn-header-call {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  transition: var(--transition);
}

.btn-header-call:hover {
  background: var(--blue);
  transform: translateY(-2px);
  color: #ffffff;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--navy);
  border-radius: 3px;
  transition: var(--transition);
}

/* Mobile Drawer */
.dr-mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #ffffff;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.dr-mobile-drawer.open {
  right: 0;
}

.dr-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.dr-drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.dr-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dr-drawer-nav a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
}

.dr-drawer-nav a.drawer-highlight {
  color: var(--blue);
}

.dr-drawer-actions {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-drawer-zalo,
.btn-drawer-call {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
}

.btn-drawer-zalo {
  background: #0068ff;
  color: #fff;
}

.btn-drawer-call {
  background: var(--navy);
  color: #fff;
}

.dr-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 15, 30, 0.6);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.dr-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--blue);
  color: #ffffff;
  padding: 15px 32px;
  border-radius: var(--radius-full);
  font-size: 1.02rem;
  font-weight: 700;
  box-shadow: 0 8px 24px -4px rgba(11, 110, 99, 0.4);
  transition: var(--transition);
}

.btn-primary-glow:hover {
  background: var(--blue-light);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -4px rgba(11, 110, 99, 0.5);
  color: #ffffff;
}

.btn-secondary-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #ffffff;
  color: var(--navy);
  border: 1.5px solid var(--navy);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 1.02rem;
  font-weight: 700;
  transition: var(--transition);
}

.btn-secondary-outline:hover {
  background: var(--navy);
  color: #ffffff;
  transform: translateY(-3px);
}

.btn-gold {
  background: var(--gold-gradient);
  color: #ffffff;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  filter: brightness(1.08);
  color: #ffffff;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.dr-hero {
  position: relative;
  padding: 90px 0 100px;
  background: radial-gradient(circle at 85% 20%, rgba(0, 180, 216, 0.08) 0%, transparent 60%),
              linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
  overflow: hidden;
}

.dr-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.dr-hero-content {
  max-width: 650px;
}

.dr-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(197, 155, 39, 0.12);
  color: #926a10;
  border: 1px solid rgba(197, 155, 39, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.dr-hero-title {
  font-size: 3.2rem;
  line-height: 1.18;
  margin-bottom: 20px;
  color: var(--navy);
}

.dr-hero-title span.text-highlight {
  color: var(--blue);
  display: inline-block;
  position: relative;
}

.dr-hero-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 34px;
}

.dr-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 38px;
}

.dr-hero-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.dr-cred-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
}

.dr-cred-item svg {
  color: var(--gold);
  flex-shrink: 0;
}

/* Hero Media Visual */
.dr-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.dr-hero-frame {
  position: relative;
  border-radius: 28px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(212, 175, 55, 0.3));
  box-shadow: 0 20px 50px -10px rgba(7, 30, 61, 0.18);
}

.dr-hero-img {
  width: 100%;
  max-width: 440px;
  height: 520px;
  object-fit: cover;
  border-radius: 20px;
}

/* Floating Badges on Hero Image */
.dr-hero-floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 12px;
}

.dr-hero-floating-card.top-right {
  top: 30px;
  right: -25px;
}

.dr-hero-floating-card.bottom-left {
  bottom: 30px;
  left: -25px;
}

.dr-floating-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--cyan-soft);
  color: var(--blue);
}

.dr-floating-text strong {
  display: block;
  font-size: 0.98rem;
  color: var(--navy);
}

.dr-floating-text span {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ==========================================================================
   TRUST & STATS BAR
   ========================================================================== */
.dr-trust-bar {
  background: #ffffff;
  padding: 40px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.dr-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.dr-stat-item {
  text-align: center;
  position: relative;
}

.dr-stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 0;
  height: 70%;
  width: 1px;
  background: var(--border-light);
}

.dr-stat-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 6px;
}

.dr-stat-num span.accent {
  color: var(--gold);
}

.dr-stat-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   ABOUT PERSONA SECTION
   ========================================================================== */
.dr-about-preview {
  background: #ffffff;
}

.dr-about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.dr-about-visual {
  position: relative;
}

.dr-about-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.dr-about-quote-box {
  background: var(--bg-light);
  border-left: 4px solid var(--blue);
  padding: 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 28px 0;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--navy);
  line-height: 1.7;
}

.dr-about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 30px;
}

.dr-hl-card {
  background: var(--bg-subtle);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.dr-hl-card h4 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 4px;
}

.dr-hl-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin: 0;
}

/* ==========================================================================
   PILLAR SERVICE — CHỈNH NHA (NIỀNG RĂNG MŨI NHỌN)
   ========================================================================== */
.dr-pillar-section {
  background: linear-gradient(180deg, #f8fafc 0%, #edf4f9 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.dr-pillar-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.dr-pillar-banner-content h3 {
  color: #ffffff;
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.dr-pillar-banner-content p {
  color: #cbd5e1;
  font-size: 1.05rem;
  margin: 0;
}

.dr-pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.dr-pillar-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.dr-pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-light);
}

.dr-pillar-card-img {
  height: 200px;
  width: 100%;
  object-fit: cover;
}

.dr-pillar-card-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.dr-pillar-card-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--blue);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.dr-pillar-card-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--navy);
}

.dr-pillar-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.dr-card-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dr-card-link:hover {
  color: var(--navy);
  gap: 10px;
}

/* ==========================================================================
   ECOSYSTEM SERVICES (DỊCH VỤ KỸ THUẬT CAO)
   ========================================================================== */
.dr-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.dr-service-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.dr-service-card:hover {
  border-color: var(--blue-light);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.dr-service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--cyan-soft);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.dr-service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.dr-service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.dr-service-features {
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

.dr-service-features li {
  font-size: 0.84rem;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

/* ==========================================================================
   TREATMENT PROCESS (5 BƯỚC CHUẨN Y KHOA)
   ========================================================================== */
.dr-process-section {
  background: #ffffff;
}

.dr-process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.dr-process-step {
  background: var(--bg-light);
  padding: 28px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.dr-process-step:hover {
  background: #ffffff;
  box-shadow: var(--shadow-md);
  border-color: var(--blue);
}

.dr-step-num {
  width: 44px;
  height: 44px;
  background: var(--navy);
  color: #ffffff;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 10px rgba(7, 30, 61, 0.2);
}

.dr-process-step:hover .dr-step-num {
  background: var(--blue);
}

.dr-step-title {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 10px;
}

.dr-step-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   CLINICAL CASES (CA LÂM SÀNG BEFORE/AFTER)
   ========================================================================== */
.dr-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

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

.dr-case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.dr-case-visual {
  position: relative;
  height: 220px;
}

.dr-case-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dr-case-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7, 30, 61, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.dr-case-body {
  padding: 24px;
}

.dr-case-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--navy);
}

.dr-case-meta {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.dr-case-doctor-note {
  background: var(--bg-light);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-body);
  border-left: 3px solid var(--gold);
}

/* ==========================================================================
   LOCATION OPTION B SECTION (BẢO MẬT ĐỐI TÁC & TIÊU CHUẨN LÂM SÀNG TP.HCM)
   ========================================================================== */
.dr-location-section {
  background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
}

.dr-location-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-card);
}

.dr-location-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 36px;
}

.dr-location-head h3 {
  font-size: 2rem;
  color: var(--navy);
  margin-bottom: 12px;
}

.dr-location-head p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.dr-facility-standards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.dr-standard-card {
  background: var(--bg-light);
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  text-align: center;
}

.dr-standard-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.dr-standard-card h4 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 6px;
}

.dr-standard-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

.dr-location-cta-box {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  border-radius: var(--radius-md);
  padding: 30px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #ffffff;
}

.dr-location-cta-text h4 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.dr-location-cta-text p {
  color: #cbd5e1;
  font-size: 0.94rem;
  margin: 0;
}

.dr-location-cta-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
}

/* ==========================================================================
   BIG CONTACT CTA BANNER (DIRECT ONLY — NO FORMS)
   ========================================================================== */
.dr-contact-banner {
  background: linear-gradient(135deg, #030d1a 0%, var(--navy) 100%);
  padding: 80px 0;
  color: #ffffff;
  text-align: center;
}

.dr-contact-banner-inner {
  max-width: 820px;
  margin: 0 auto;
}

.dr-contact-banner h2 {
  color: #ffffff;
  font-size: 2.6rem;
  margin-bottom: 16px;
}

.dr-contact-banner p {
  color: #cbd5e1;
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 38px;
}

.dr-channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.dr-channel-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  padding: 24px 16px;
  border-radius: var(--radius-md);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.dr-channel-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-5px);
  border-color: var(--cyan);
  color: #ffffff;
}

.dr-channel-btn svg {
  width: 32px;
  height: 32px;
}

.dr-channel-btn.zalo-channel:hover {
  background: #0068ff;
  border-color: #0068ff;
}

.dr-channel-btn.hotline-channel:hover {
  background: #22c55e;
  border-color: #22c55e;
}

.dr-channel-btn.fb-channel:hover {
  background: #1877f2;
  border-color: #1877f2;
}

.dr-channel-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.dr-channel-sub {
  font-size: 0.78rem;
  color: #cbd5e1;
}

/* ==========================================================================
   FOOTER STYLING
   ========================================================================== */
.dr-footer {
  background-color: var(--navy-dark);
  color: #94a3b8;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.dr-footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 1.1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.dr-footer-brand-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
}

.dr-footer-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.dr-footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dr-badge-pill {
  background: rgba(255, 255, 255, 0.06);
  color: #cbd5e1;
  font-size: 0.76rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dr-footer h5 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.dr-footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--blue);
}

.dr-footer ul li {
  margin-bottom: 10px;
}

.dr-footer ul li a {
  font-size: 0.88rem;
  color: #cbd5e1;
}

.dr-footer ul li a:hover {
  color: var(--cyan);
  padding-left: 4px;
}

.dr-footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.dr-contact-item {
  display: flex;
  flex-direction: column;
  font-size: 0.86rem;
}

.dr-contact-label {
  color: #64748b;
  font-size: 0.78rem;
}

.dr-contact-link {
  font-weight: 600;
  color: #ffffff;
}

.dr-contact-link.phone {
  color: #22c55e;
  font-size: 1.05rem;
}

.dr-contact-link.zalo {
  color: #38bdf8;
}

.dr-footer-location-note {
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.dr-location-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 4px;
}

.dr-footer-location-note p {
  font-size: 0.8rem;
  line-height: 1.5;
  margin: 0;
}

.dr-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  font-size: 0.82rem;
  text-align: center;
}

.dr-footer-ymyl-note {
  color: var(--gold-light);
  margin-top: 6px;
  font-style: italic;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (DIRECT 1-CLICK)
   ========================================================================== */
.dr-floating-bar {
  position: fixed;
  bottom: 30px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.dr-floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  position: relative;
  transition: var(--transition);
}

.dr-floating-btn:hover {
  transform: scale(1.1);
}

.dr-floating-btn.zalo {
  background-color: #0068ff;
}

.dr-floating-btn.call {
  background-color: #22c55e;
}

.dr-floating-btn.fb {
  background-color: #1877f2;
}

.dr-floating-tooltip {
  position: absolute;
  right: 68px;
  background: var(--navy);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.dr-floating-btn:hover .dr-floating-tooltip {
  opacity: 1;
}

/* Call Button Pulse Animation */
@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

.dr-pulse {
  animation: pulseGlow 2s infinite;
}

/* ==========================================================================
   PAGE-SPECIFIC STYLES (Giới thiệu, Chỉnh nha, Ca lâm sàng, Bảng giá, Liên hệ)
   ========================================================================== */
.dr-page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: #ffffff;
  padding: 70px 0 60px;
  text-align: center;
}

.dr-page-hero h1 {
  color: #ffffff;
  font-size: 2.8rem;
  margin-bottom: 14px;
}

.dr-page-hero p {
  color: #cbd5e1;
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto;
}

.dr-content-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  margin-bottom: 30px;
}

/* Pricing Table */
.dr-price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.dr-price-table th {
  background: var(--navy);
  color: #ffffff;
  padding: 16px;
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
}

.dr-price-table td {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
}

.dr-price-table tr:hover td {
  background: var(--bg-light);
}

.dr-price-val {
  font-weight: 700;
  color: var(--blue);
}

/* FAQ Accordion */
.dr-faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 20px 0;
}

.dr-faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--navy);
  font-weight: 700;
}

.dr-faq-answer {
  display: none;
  padding-top: 14px;
  font-size: 0.98rem;
  color: var(--text-body);
  line-height: 1.7;
}

.dr-faq-item.active .dr-faq-answer {
  display: block;
}

.dr-faq-icon {
  font-size: 1.4rem;
  color: var(--blue);
  transition: transform 0.2s ease;
}

.dr-faq-item.active .dr-faq-icon {
  transform: rotate(45deg);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1100px) {
  .dr-nav {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .dr-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .dr-hero-content {
    max-width: 100%;
  }
  .dr-hero-actions {
    justify-content: center;
  }
  .dr-hero-credentials {
    justify-content: center;
  }
  .dr-hero-floating-card {
    display: none;
  }
  .dr-pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dr-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dr-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .dr-location-cta-box {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .dr-section {
    padding: 60px 0;
  }
  .dr-section-title {
    font-size: 2rem;
  }
  .dr-hero-title {
    font-size: 2.3rem;
  }
  .dr-topbar {
    display: none;
  }
  .dr-header-inner {
    height: 70px;
  }
  .btn-header-zalo span,
  .btn-header-call span {
    display: none;
  }
  .btn-header-zalo,
  .btn-header-call {
    padding: 8px 12px;
  }
  .dr-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .dr-stat-item:not(:last-child)::after {
    display: none;
  }
  .dr-about-grid {
    grid-template-columns: 1fr;
  }
  .dr-pillar-grid {
    grid-template-columns: 1fr;
  }
  .dr-services-grid {
    grid-template-columns: 1fr;
  }
  .dr-process-grid {
    grid-template-columns: 1fr;
  }
  .dr-cases-grid {
    grid-template-columns: 1fr;
  }
  .dr-facility-standards {
    grid-template-columns: repeat(2, 1fr);
  }
  .dr-channels-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dr-footer-grid {
    grid-template-columns: 1fr;
  }
  .dr-location-box {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .dr-hero-title {
    font-size: 1.85rem;
  }
  .dr-facility-standards {
    grid-template-columns: 1fr;
  }
  .dr-channels-grid {
    grid-template-columns: 1fr;
  }
  .dr-hero-actions {
    flex-direction: column;
  }
  .dr-hero-actions a {
    width: 100%;
  }
}