/*
 * DR. HỮU AESTHETIC - OFFICIAL BRAND DESIGN SYSTEM
 * Brand Palette: Royal Medical Blue & Clean Crisp Clinical White
 * Border Radius: Strict 6px across the entire site
 * Typography: Montserrat (Headings) + Plus Jakarta Sans (Body)
 */

:root {
  /* Brand Royal Blue Palette (from official signage & logo) */
  --color-primary: #0056d2;        /* Royal Medical Blue */
  --color-primary-dark: #003282;   /* Navy Deep Blue */
  --color-primary-deep: #001f54;   /* Midnight Cobalt */
  --color-primary-light: #2575fc;  /* Bright Blue Accent */
  --color-primary-hover: #0043a8;  /* Hover state */
  
  /* Warm Gold / Ribbon Accent (from opening poster) */
  --color-accent: #ff9900;         /* Amber Gold */
  --color-accent-hover: #e68500;
  --color-accent-soft: #fff8eb;
  
  /* Clinical Clean Whites & Grays */
  --color-bg: #f8fafc;             /* Light Slate Medical Clean */
  --color-surface: #ffffff;
  --color-surface-soft: #f0f6ff;   /* Ice Blue Soft Card */
  
  /* Typography */
  --color-text-main: #0f172a;      /* Slate 900 */
  --color-text-muted: #475569;     /* Slate 600 */
  --color-text-light: #94a3b8;     /* Slate 400 */
  
  /* Borders */
  --color-border: #e2e8f0;
  --color-border-primary: rgba(0, 86, 210, 0.2);
  --color-border-gold: rgba(255, 153, 0, 0.35);
  
  /* Strict 6px Border Radius everywhere as requested */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 6px;
  --radius-lg: 6px;
  --radius-full: 6px;
  
  /* Fonts */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --container-width: 1220px;
  --shadow-sm: 0 1px 3px rgba(0, 50, 130, 0.06), 0 1px 2px rgba(0, 50, 130, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 50, 130, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 50, 130, 0.12);
  --shadow-blue: 0 8px 25px rgba(0, 86, 210, 0.25);
  
  --transition: all 0.25s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  letter-spacing: -0.3px;
}

.drhuu-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Section Badges - strictly 6px */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  border: 1px solid var(--color-border-primary);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.section-desc {
  font-size: 1.02rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto 40px auto;
}

.text-center {
  text-align: center;
}

/* Buttons - strictly 6px */
.btn-gold, .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-primary);
  color: #ffffff;
  padding: 12px 24px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-gold:hover, .btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 86, 210, 0.35);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-accent);
  color: #ffffff;
  padding: 12px 24px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  padding: 11px 22px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-white {
  background: #ffffff;
  color: var(--color-primary);
  border-radius: 6px;
  padding: 12px 24px;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-white:hover {
  background: var(--color-surface-soft);
  transform: translateY(-2px);
}

.full-width {
  width: 100%;
}

/* 1. TOPBAR */
.drhuu-topbar {
  background-color: var(--color-primary-deep);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-left .divider {
  color: rgba(255, 255, 255, 0.2);
}

.license-badge {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 600;
}

.topbar-phone {
  color: #ffffff;
  font-weight: 700;
}

.topbar-phone:hover {
  color: var(--color-accent);
}

/* 2. HEADER */
.drhuu-header {
  background-color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
  border-bottom: 1px solid var(--color-border);
}

.drhuu-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Official Brand Logo matching Reception Sign & Poster */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-symbol-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  line-height: 1.05;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.brand-slogan-tag {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

/* Desktop Nav */
.desktop-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  margin: 0 25px;
}

.desktop-nav .nav-list {
  display: flex;
  list-style: none;
  width: 100%;
  max-width: 660px;
  justify-content: space-between;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-item a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 8px 10px;
  position: relative;
  white-space: nowrap;
  display: inline-block;
  text-decoration: none !important;
  transition: var(--transition);
}

.nav-item a:hover {
  color: var(--color-primary);
}

.nav-item.active a,
.nav-item a:hover {
  color: var(--color-primary);
}

/* Removed nav underline */
.nav-item.active a::after { display: none !important; }

.nav-item.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  box-shadow: var(--shadow-lg);
  border-radius: 6px;
  padding: 10px 0;
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  list-style: none;
}

.nav-item.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  font-size: 0.88rem;
  color: var(--color-text-main);
  transition: var(--transition);
}

.dropdown-menu li a:hover {
  background: var(--color-surface-soft);
  color: var(--color-primary);
  padding-left: 22px;
}

.dropdown-menu li a i {
  color: var(--color-primary);
  width: 18px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-shrink: 0;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary-dark);
  border-radius: 2px;
}

/* 3. HERO SECTION - Clinical Royal Blue */
.hero-section {
  background: linear-gradient(135deg, #002b66 0%, #0043a8 50%, #0056d2 100%);
  color: #ffffff;
  padding: 70px 0 80px 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,255,255,0.03) 40px, rgba(255,255,255,0.03) 41px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  align-items: center;
  gap: 45px;
}

.hero-badge {
  display: none !important;

  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.hero-title {
  color: #ffffff;
  margin-bottom: 22px;
  line-height: 1.25;
}

.hero-title .title-main {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: #ffffff;
  margin-bottom: 12px;
}

.hero-title .title-sub {
  display: inline-block;
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffb800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  white-space: nowrap;
  background: rgba(0, 43, 102, 0.45);
  padding: 4px 14px;
  border-radius: 4px;
  border: 1px solid rgba(255, 184, 0, 0.35);
}

.hero-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 35px;
}

.hero-stats {
  display: flex;
  gap: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item h4 {
  color: #ffffff;
  font-size: 1.7rem;
  margin-bottom: 2px;
  font-weight: 800;
}

.stat-item p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
}

/* Hero Doctor Portrait Card - strictly 6px */
.hero-visual {
  position: relative;
}

.doctor-card-frame {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 20, 60, 0.3);
  background: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.doctor-photo-wrap {
  width: 100%;
  height: 480px;
  background: linear-gradient(180deg, #e8f2ff 0%, #c9e0ff 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.doctor-photo-img {
  max-height: 100%;
  width: auto;
  object-fit: cover;
  object-position: top center;
  filter: drop-shadow(0 10px 20px rgba(0, 30, 80, 0.25));
}

.doctor-overlay-card {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 43, 102, 0.95) 40%, rgba(0, 30, 80, 1) 100%);
  padding: 30px 20px 20px 20px;
  text-align: center;
  color: #ffffff;
}

.doctor-name-tag {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 4px;
}

.doctor-sub-tag {
  font-size: 0.82rem;
  color: #ffd166;
  font-weight: 600;
}

.floating-cred-badge {
  position: absolute;
  top: 20px;
  left: -15px;
  background: #ffffff;
  color: var(--color-primary-dark);
  padding: 10px 16px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  z-index: 2;
}

.floating-cred-badge i {
  font-size: 1.6rem;
  color: var(--color-primary);
}

.floating-cred-badge .badge-title {
  font-size: 0.74rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.floating-cred-badge .badge-value {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

/* 4. TRUST BAR SECTION - strictly 6px */
.trust-bar-section {
  background: #ffffff;
  padding: 32px 0;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
}

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

.trust-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px;
  border-radius: 6px;
  transition: var(--transition);
}

.trust-card:hover {
  background: var(--color-surface-soft);
}

.trust-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 1px solid var(--color-border-primary);
}

.trust-content h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--color-primary-dark);
}

.trust-content p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* 5. DOCTOR SECTION */
.doctor-section {
  padding: 85px 0;
}

.doctor-spotlight-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 50px;
  align-items: center;
}

.doctor-portrait-box {
  background: #ffffff;
  border-radius: 6px;
  padding: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.reception-photo-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 6px;
}

.doctor-quote {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  background: var(--color-surface-soft);
  padding: 16px 20px;
  border-left: 4px solid var(--color-primary);
  border-radius: 6px;
  margin: 22px 0;
  line-height: 1.6;
}

.credentials-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.credentials-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
}

.credentials-list li i {
  color: var(--color-primary);
  font-size: 1rem;
  margin-top: 3px;
}

/* 6. SERVICES BENTO GRID - strictly 6px */
.services-section {
  padding: 85px 0;
  background-color: var(--color-surface);
}

.bento-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  background: #ffffff;
  border-radius: 6px;
  padding: 32px 26px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

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

.service-card.highlight {
  background: #ffffff;
  border: 2px solid var(--color-primary);
}

.service-card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid var(--color-border-primary);
}

.service-card-icon {
  width: 52px;
  height: 52px;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  border: 1px solid var(--color-border-primary);
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--color-primary-dark);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 22px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
}

.service-features li {
  font-size: 0.84rem;
  color: var(--color-text-main);
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li i {
  color: var(--color-primary);
  font-size: 0.78rem;
}

.service-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  text-decoration: none;
}

.service-btn:hover {
  color: var(--color-primary-hover);
}

/* 7. PROMOTION & VOUCHER BANNER (from Opening Poster) */
.promo-section {
  padding: 40px 0;
  background: linear-gradient(135deg, #f0f6ff 0%, #e0edff 100%);
  border-top: 1px solid var(--color-border-primary);
  border-bottom: 1px solid var(--color-border-primary);
}

.promo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.promo-card {
  background: #ffffff;
  border-radius: 6px;
  padding: 20px 16px;
  border: 1.5px dashed var(--color-primary);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.promo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.promo-val {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.promo-val.accent {
  color: var(--color-accent);
}

.promo-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-transform: uppercase;
}

.promo-note {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* 8. BEFORE - AFTER SLIDER (CHỈ 2 ẢNH CẮT MÍ THỰC TẾ) */
.before-after-section {
  padding: 85px 0;
  background: var(--color-bg);
}

.ba-showcase-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 35px;
  align-items: center;
}

.ba-slider-container {
  position: relative;
  width: 100%;
  aspect-ratio: 640 / 255;
  min-height: 240px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  user-select: none;
  border: 2px solid var(--color-border);
  background: #0f172a;
  touch-action: none;
  cursor: ew-resize;
}

.ba-slide-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.ba-slide-layer.after-layer {
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
  z-index: 2;
}

.ba-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  pointer-events: none;
  user-select: none;
}

.ba-label {
  position: absolute;
  bottom: 12px;
  padding: 5px 12px;
  background: rgba(0, 0, 0, 0.75);
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 700;
  border-radius: 4px;
  z-index: 4;
  letter-spacing: 0.5px;
}

.ba-label.before {
  right: 12px;
}

.ba-label.after {
  left: 12px;
  background: var(--color-primary);
  color: #ffffff;
}

.ba-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: #ffffff;
  transform: translateX(-50%);
  cursor: ew-resize;
  z-index: 5;
  pointer-events: none;
}

.ba-handle-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 38px;
  height: 38px;
  background: #ffffff;
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.9rem;
  border: 2px solid var(--color-primary);
}

.ba-case-details {
  background: #ffffff;
  border-radius: 6px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.ba-case-details h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.ba-meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 18px 0;
  padding: 14px;
  background: var(--color-surface-soft);
  border-radius: 6px;
}

.ba-meta-item strong {
  display: block;
  font-size: 0.74rem;
  color: var(--color-text-muted);
}

.ba-meta-item span {
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  font-weight: 700;
}

/* 9. 5-STEP SURGICAL SAFETY PROCESS - strictly 6px */
.process-section {
  padding: 85px 0;
  background-color: #ffffff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.process-step-card {
  background: var(--color-bg);
  border-radius: 6px;
  padding: 24px 16px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.process-step-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px auto;
}

.process-step-card h4 {
  font-size: 0.98rem;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}

.process-step-card p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* 10. PRICING & WARRANTY - strictly 6px */
.pricing-section {
  padding: 85px 0;
  background: var(--color-surface-soft);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.pricing-card {
  background: #ffffff;
  border-radius: 6px;
  padding: 35px 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border: 2px solid var(--color-primary);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #ffffff;
  padding: 3px 14px;
  border-radius: 4px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: 1.35rem;
  text-align: center;
  margin-bottom: 6px;
  color: var(--color-primary-dark);
}

.pricing-desc {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 25px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.88rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li i {
  color: #059669;
}

.pricing-warranty {
  font-size: 0.8rem;
  color: var(--color-primary);
  background: var(--color-surface-soft);
  padding: 8px 12px;
  border-radius: 6px;
  text-align: center;
  font-weight: 700;
  margin-bottom: 18px;
  border: 1px solid var(--color-border-primary);
}

/* 11. CONSULTATION CTA & FORM SECTION - strictly 6px */
.booking-section {
  padding: 85px 0;
  background: linear-gradient(135deg, #002b66 0%, #0043a8 100%);
  color: #ffffff;
}

.booking-box-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.booking-info h2 {
  color: #ffffff;
  font-size: 2.3rem;
  margin-bottom: 16px;
  font-weight: 800;
}

.booking-info p {
  font-size: 1.02rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 25px;
}

.booking-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.booking-perks li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
}

.booking-perks li i {
  width: 28px;
  height: 28px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.booking-form-card {
  background: #ffffff;
  color: var(--color-text-main);
  padding: 35px;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
}

.booking-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 6px;
  color: var(--color-primary-dark);
}

.booking-form-card .form-sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  transition: var(--transition);
  font-size: 0.9rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 86, 210, 0.12);
}

/* 12. NEWS SECTION - strictly 6px */
.news-section {
  padding: 85px 0;
  background: #ffffff;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.news-card {
  background: var(--color-bg);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary);
}

.news-card-thumb {
  height: 190px;
  background: linear-gradient(135deg, #002b66 0%, #0056d2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 2.2rem;
}

.news-card-body {
  padding: 22px;
}

.news-date {
  font-size: 0.76rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 6px;
}

.news-card-body h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
  line-height: 1.4;
  color: var(--color-primary-dark);
}

.news-card-body p {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* 13. FOOTER STYLES - strictly 6px */
.drhuu-footer {
  background: var(--color-primary-deep);
  color: rgba(255, 255, 255, 0.8);
  padding: 75px 0 25px 0;
  border-top: 3px solid var(--color-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col.col-brand .footer-desc {
  font-size: 0.86rem;
  line-height: 1.6;
  margin: 16px 0;
  color: rgba(255, 255, 255, 0.85);
}

.footer-heading {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2.5px;
  background: var(--color-accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links li a {
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.footer-links li a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-info-list li {
  display: flex;
  gap: 12px;
  font-size: 0.84rem;
}

.contact-info-list li i {
  color: var(--color-accent);
  margin-top: 3px;
}

.contact-info-list a {
  color: #ffffff;
  text-decoration: none;
}

.legal-box {
  background: rgba(255, 255, 255, 0.06);
  padding: 12px 16px;
  border-radius: 6px;
  border-left: 3px solid var(--color-primary-light);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
}

.social-btn.fb {
  background: #1877f2;
}

.social-btn.zalo {
  background: #0068ff;
}

.map-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: #ffffff;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  text-decoration: none;
}

.map-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
}

.medical-disclaimer {
  margin-top: 6px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.4);
}

/* 14. FLOATING ACTION BAR - strictly 6px */
.drhuu-floating-bar {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-item {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  border: none;
  position: relative;
  transition: var(--transition);
  text-decoration: none;
}

.float-item:hover {
  transform: scale(1.08);
}

.float-item.zalo {
  background: #0068ff;
}

.float-item.phone {
  background: #e11d48;
}

.float-item.fb {
  background: #1877f2;
}

.float-item.booking {
  background: var(--color-primary);
  color: #ffffff;
}

.float-icon {
  font-size: 1.25rem;
}

.float-pulse {
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 8px;
  border: 2px solid #e11d48;
  animation: pulseAnim 1.8s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* 15. BOOKING MODAL - strictly 6px */
.booking-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 31, 84, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.booking-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.booking-modal-card {
  background: #ffffff;
  border-radius: 6px;
  max-width: 480px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.modal-header {
  margin-bottom: 20px;
}

.modal-badge {
  display: inline-block;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.74rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.modal-header h3 {
  font-size: 1.4rem;
  margin-bottom: 4px;
  color: var(--color-primary-dark);
}

.modal-header p {
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.modal-privacy {
  text-align: center;
  font-size: 0.74rem;
  color: var(--color-text-muted);
  margin-top: 14px;
}

/* 16. MOBILE DRAWER - strictly 6px */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: -320px;
  width: 300px;
  height: 100vh;
  background: #ffffff;
  z-index: 1001;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.mobile-drawer.active {
  left: 0;
}

.drawer-header {
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--color-text-main);
}

.drawer-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-list li a {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-surface-soft);
  text-decoration: none;
}

.drawer-contact {
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.drawer-phone-btn {
  background: var(--color-surface-soft);
  color: var(--color-primary);
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* 17. RESPONSIVE BREAKPOINTS */
@media (max-width: 1250px) {
  .desktop-nav {
    margin: 0 15px;
  }
  .nav-item a {
    padding: 6px 6px;
  }
  .nav-item a {
    font-size: 0.86rem;
  }
  .btn-booking-modal {
    padding: 10px 16px;
    font-size: 0.86rem;
  }
}

@media (max-width: 1080px) {
  .desktop-nav, .btn-booking-modal {
    display: none !important;
  }
  .mobile-toggle {
    display: flex !important;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-lead {
    margin: 0 auto 25px auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .floating-cred-badge {
    left: 20px;
  }
  .doctor-spotlight-grid {
    grid-template-columns: 1fr;
  }
  .bento-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .promo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ba-showcase-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .booking-box-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .drhuu-topbar {
    display: none;
  }
  .hero-title .title-main {
    font-size: 1.95rem;
  }
  .hero-title .title-sub {
    font-size: 1.1rem;
    white-space: normal;
  }
  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }
  .bento-services-grid {
    grid-template-columns: 1fr;
  }
  .promo-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .ba-slider-container {
    height: 300px;
  }
}


/* ============================================================
   HERO MULTI-SLIDE SECTION (SLIDER CHUẨN Y KHOA)
   ============================================================ */
.hero-slider-container {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #001f54 0%, #002b66 50%, #0043a8 100%);
  color: #ffffff;
}

.hero-slider-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
  width: 100%;
}

.hero-slide {
  min-width: 100%;
  width: 100%;
  flex-shrink: 0;
  position: relative;
  padding: 60px 0 75px 0;
  display: flex;
  align-items: center;
}

/* Slide 1: Banner Services & Doctor Focus */
.slide-banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center top;
  opacity: 0.28;
  filter: blur(1px);
  pointer-events: none;
}

.hero-slide-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 2;
}

/* Slide Banner Image Box */
.hero-banner-card {
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 20, 60, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: #001f54;
  position: relative;
}

.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Slide 2: Team Focus */
.team-photo-frame {
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 20, 60, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: #ffffff;
  position: relative;
}

.team-photo-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}

/* Slider Controls (Arrows & Dots) */
.hero-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  background: rgba(0, 31, 84, 0.65);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.hero-slider-arrow:hover {
  background: var(--color-primary);
  border-color: #ffffff;
  transform: translateY(-50%) scale(1.08);
}

.hero-slider-arrow.prev {
  left: 20px;
}

.hero-slider-arrow.next {
  right: 20px;
}

.hero-slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.hero-dot {
  width: 32px;
  height: 4px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.hero-dot.active {
  background: #ffb800;
  width: 44px;
}

@media (max-width: 1024px) {
  .hero-slide-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-slider-arrow {
    display: none;
  }
  .team-photo-img {
    height: 300px;
  }
}


/* Before-After Cases Gallery Grid */
.ba-gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin-top: 45px;
}

.ba-gallery-card {
  background: #ffffff;
  border-radius: 6px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.ba-gallery-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.ba-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.ba-card-header h4 {
  font-size: 1.12rem;
  margin-bottom: 0;
  color: var(--color-primary-dark);
}

.ba-card-badge {
  background: var(--color-surface-soft);
  color: var(--color-primary);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--color-border-primary);
}

.ba-pair-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.ba-pair-col {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  background: #0f172a;
}

.ba-pair-col img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.ba-pair-label {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
  color: #ffffff;
}

.ba-pair-label.tr {
  background: #0056d2;
}

.ba-pair-label.sa {
  background: #059669;
}

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

@media (max-width: 768px) {
  .ba-gallery-grid {
    grid-template-columns: 1fr;
  }
}