/* ==========================================================================
   LastDoctor.com - Design System & Styles
   Professional Healthcare Directory Theme
   ========================================================================== */

:root {
  /* Color Palette */
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --primary-light: #f0f9ff;
  --primary-subtle: #e0f2fe;
  --primary-border: #bae6fd;
  
  --emerald: #059669;
  --emerald-light: #ecfdf5;
  --emerald-border: #a7f3d0;

  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;
  --whatsapp-light: #e7fbf0;

  --amber: #d97706;
  --amber-light: #fef3c7;

  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;

  --bg-page: #f8fafc;
  --bg-card: #ffffff;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Elevation / Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 4px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 14px -1px rgba(15, 23, 42, 0.07), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.03);
  --shadow-glow: 0 0 20px rgba(2, 132, 199, 0.15);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--slate-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  transition: var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--slate-900);
}

.brand-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
}

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

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--slate-900);
  line-height: 1.2;
}

.brand-name span {
  color: var(--primary);
}

.brand-tagline {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate-500);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-community {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--whatsapp-light);
  color: var(--whatsapp-dark);
  border: 1px solid rgba(37, 211, 102, 0.3);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
}

.btn-nav-community:hover {
  background: var(--whatsapp);
  color: #fff;
  border-color: var(--whatsapp);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  background: linear-gradient(180deg, #f0f9ff 0%, #f8fafc 100%);
  padding: 56px 0 36px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--slate-200);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #ffffff;
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-pill);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 20px;
  box-shadow: var(--shadow-xs);
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--slate-600);
  max-width: 680px;
  margin: 0 auto 36px auto;
  line-height: 1.6;
}

/* Search Box Component */
.search-wrapper {
  max-width: 680px;
  margin: 0 auto 24px auto;
  position: relative;
}

.search-bar {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 2px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 6px 8px 6px 18px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.search-bar:focus-within {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.search-icon {
  color: var(--slate-400);
  font-size: 1.1rem;
  margin-right: 12px;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  font-family: inherit;
  color: var(--slate-900);
  background: transparent;
  padding: 8px 0;
}

.search-input::placeholder {
  color: var(--slate-400);
}

.clear-search-btn {
  background: var(--slate-100);
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--slate-500);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: 6px;
  transition: var(--transition-fast);
}

.clear-search-btn:hover {
  background: var(--slate-200);
  color: var(--slate-800);
}

.search-submit-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.search-submit-btn:hover {
  background: var(--primary-dark);
}

/* Filter Chips */
.filter-chips-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 800px;
  margin: 0 auto;
}

.filter-chip {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--slate-600);
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.filter-chip:hover {
  background: var(--slate-100);
  color: var(--slate-900);
  border-color: var(--slate-300);
}

.filter-chip.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
}

/* Trust Stats Bar */
.trust-stats-bar {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px dashed var(--slate-200);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-700);
}

.stat-item i {
  color: var(--primary);
  font-size: 1rem;
}

/* ==========================================================================
   Directory Content
   ========================================================================== */
.directory-section {
  padding: 44px 0 60px 0;
  flex: 1;
}

.directory-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.directory-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.results-count-badge {
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--slate-200);
  color: var(--slate-700);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.accordion-controls {
  display: flex;
  gap: 10px;
}

.control-btn {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--slate-600);
  cursor: pointer;
  transition: var(--transition-fast);
}

.control-btn:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

/* Category Accordion Card */
.category-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.category-card:hover {
  border-color: var(--slate-300);
  box-shadow: var(--shadow-md);
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  background: #ffffff;
  user-select: none;
  gap: 16px;
  transition: background-color var(--transition-fast);
}

.category-header:hover {
  background: var(--slate-50);
}

.category-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
}

.category-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.category-info {
  display: flex;
  flex-direction: column;
}

.category-title-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.category-doctor-count {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--slate-100);
  color: var(--slate-600);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.category-desc {
  font-size: 0.8125rem;
  color: var(--slate-500);
  margin-top: 2px;
}

.category-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.whatsapp-channel-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--whatsapp-light);
  color: var(--whatsapp-dark);
  border: 1px solid rgba(37, 211, 102, 0.35);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: var(--transition-fast);
}

.whatsapp-channel-pill:hover {
  background: var(--whatsapp);
  color: #ffffff;
}

.accordion-chevron {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-400);
  transition: transform var(--transition-smooth);
}

.category-card.expanded .accordion-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

/* Doctor Cards Grid inside Category */
.category-body {
  display: none;
  padding: 6px 20px 22px 20px;
  background: #ffffff;
  border-top: 1px solid var(--slate-100);
}

.category-card.expanded .category-body {
  display: block;
}

.doctors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  margin-top: 16px;
}

/* Individual Doctor Card */
.doctor-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
  position: relative;
}

.doctor-card:hover {
  background: #ffffff;
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.doctor-card-top {
  margin-bottom: 14px;
}

.doctor-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.doctor-avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
}

.doctor-title-box {
  flex: 1;
}

.doctor-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.doctor-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate-900);
}

.verified-badge {
  color: var(--primary);
  font-size: 0.9rem;
}

.doctor-degrees {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-top: 2px;
}

.doctor-designation {
  font-size: 0.8125rem;
  color: var(--slate-600);
  margin-top: 4px;
}

.doctor-meta-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--slate-200);
}

.meta-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--slate-600);
}

.meta-item i {
  color: var(--slate-400);
  font-size: 0.85rem;
  margin-top: 3px;
  width: 14px;
  text-align: center;
}

.meta-item.location {
  font-weight: 600;
  color: var(--slate-700);
}

.doctor-notes-box {
  margin-top: 12px;
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 0.775rem;
  color: var(--primary-dark);
}

/* Action Area on Card */
.doctor-actions {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--slate-200);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-call-doctor {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #ffffff;
  color: var(--slate-800);
  border: 1px solid var(--slate-300);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.phone-badges-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.phone-badge-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid var(--primary-border);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-fast);
}

.phone-badge-link:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}

.phone-badge-link:active {
  transform: scale(0.98);
}

.hospital-inquiry-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--slate-100);
  color: var(--slate-600);
  border: 1px dashed var(--slate-300);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.775rem;
  font-weight: 500;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: #ffffff;
  border: 1px dashed var(--slate-300);
  border-radius: var(--radius-xl);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--slate-100);
  color: var(--slate-400);
  font-size: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 1.2rem;
  color: var(--slate-800);
  margin-bottom: 6px;
}

.empty-state p {
  color: var(--slate-500);
  font-size: 0.9rem;
  margin-bottom: 18px;
}

/* ==========================================================================
   Community Banner Section
   ========================================================================== */
.community-section {
  padding: 20px 0 50px 0;
}

.community-card {
  background: linear-gradient(135deg, #064e3b 0%, #065f46 50%, #047857 100%);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.community-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.community-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.2;
}

.community-content p {
  color: #d1fae5;
  font-size: 0.95rem;
  max-width: 580px;
  line-height: 1.5;
}

.community-cta {
  flex-shrink: 0;
}

.btn-whatsapp-large {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--whatsapp);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: var(--transition-fast);
}

.btn-whatsapp-large:hover {
  background: #22c35e;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--slate-900);
  color: var(--slate-300);
  padding: 48px 0 24px 0;
  border-top: 1px solid var(--slate-800);
  font-size: 0.875rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-branding {
  max-width: 360px;
}

.footer-branding .brand-name {
  color: #ffffff;
}

.footer-desc {
  color: var(--slate-400);
  font-size: 0.8125rem;
  margin-top: 10px;
  line-height: 1.5;
}

.footer-links-group {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  color: var(--slate-400);
  text-decoration: none;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col a:hover {
  color: var(--primary-border);
}

.footer-bottom {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8125rem;
  color: var(--slate-400);
}

.footer-disclaimer {
  max-width: 600px;
  font-size: 0.75rem;
  color: var(--slate-400);
  line-height: 1.4;
}

.visitor-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--slate-300);
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.whatsapp-float-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.whatsapp-float-btn {
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 30px;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.4);
  transition: var(--transition-fast);
  position: relative;
}

.whatsapp-float-btn::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--whatsapp);
  animation: pulse-ring 2s infinite ease-out;
  pointer-events: none;
}

.whatsapp-float-btn:hover {
  transform: scale(1.08);
  background: #20ba5a;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float-tooltip {
  background: var(--slate-900);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 12px;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  display: none;
}

@media (min-width: 768px) {
  .whatsapp-float-widget:hover .whatsapp-float-tooltip {
    display: block;
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

/* Touch Device Interaction Optimizations */
@media (hover: none) and (pointer: coarse) {
  * {
    -webkit-tap-highlight-color: transparent;
  }
  
  .filter-chip:active,
  .control-btn:active,
  .btn-nav-community:active,
  .search-submit-btn:active,
  .btn-whatsapp-large:active,
  .phone-badge-link:active {
    transform: scale(0.96);
  }
}

/* Tablet & Mobile Screens (<= 768px) */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  /* Navbar */
  .nav-container {
    height: 64px;
  }

  .brand-icon-wrap {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }

  .brand-name {
    font-size: 1.15rem;
  }

  .btn-nav-community {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }

  /* Hero Section */
  .hero-section {
    padding: 28px 0 20px 0;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 5px 12px;
    margin-bottom: 12px;
  }

  .hero-title {
    font-size: 1.85rem;
    margin-bottom: 10px;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.5;
  }

  /* Search Bar */
  .search-wrapper {
    margin-bottom: 18px;
  }

  .search-bar {
    padding: 4px 6px 4px 14px;
    border-radius: var(--radius-lg);
  }

  .search-input {
    font-size: 0.9375rem;
  }

  .search-submit-btn {
    padding: 8px 14px;
    font-size: 0.875rem;
  }

  /* Horizontal Swipeable Filter Chips */
  .filter-chips-container {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 4px 16px 12px 16px;
    margin: 0 -16px;
    gap: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-chips-container::-webkit-scrollbar {
    display: none;
  }

  .filter-chip {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0.8rem;
    padding: 7px 14px;
  }

  /* Trust Stats Grid */
  .trust-stats-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 12px;
    margin-top: 20px;
    padding-top: 16px;
  }

  .stat-item {
    font-size: 0.775rem;
    background: #ffffff;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--slate-200);
    justify-content: center;
    box-shadow: var(--shadow-xs);
  }

  /* Directory Section */
  .directory-section {
    padding: 28px 0 44px 0;
  }

  .directory-header {
    margin-bottom: 16px;
    gap: 10px;
  }

  .directory-title {
    font-size: 1.15rem;
  }

  .results-count-badge {
    font-size: 0.75rem;
    padding: 3px 8px;
  }

  .control-btn {
    padding: 5px 10px;
    font-size: 0.75rem;
  }

  /* Category Accordion */
  .category-card {
    margin-bottom: 14px;
    border-radius: var(--radius-md);
  }

  .category-header {
    padding: 12px 14px;
    gap: 10px;
  }

  .category-icon-box {
    width: 36px;
    height: 36px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }

  .category-title-text {
    font-size: 0.95rem;
    gap: 6px;
  }

  .category-doctor-count {
    font-size: 0.7rem;
    padding: 2px 6px;
  }

  .category-desc {
    font-size: 0.725rem;
  }

  .whatsapp-channel-pill {
    padding: 4px 8px;
    font-size: 0.7rem;
    gap: 4px;
  }

  .accordion-chevron {
    width: 24px;
    height: 24px;
  }

  .category-body {
    padding: 4px 12px 16px 12px;
  }

  /* Doctor Cards - Mobile Full Width */
  .doctors-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 10px;
  }

  .doctor-card {
    padding: 16px 14px;
    border-radius: var(--radius-md);
  }

  .doctor-avatar-circle {
    width: 40px;
    height: 40px;
    font-size: 0.85rem;
  }

  .doctor-name {
    font-size: 1rem;
  }

  .doctor-degrees {
    font-size: 0.775rem;
  }

  .doctor-designation {
    font-size: 0.775rem;
  }

  .meta-item {
    font-size: 0.775rem;
  }

  .doctor-notes-box {
    font-size: 0.75rem;
    padding: 7px 10px;
  }

  /* Call Buttons - Large Mobile Touch Targets */
  .phone-badge-link {
    width: 100%;
    min-height: 46px;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    padding: 10px 14px;
  }

  .hospital-inquiry-badge {
    width: 100%;
    min-height: 42px;
    font-size: 0.775rem;
  }

  /* Community Card */
  .community-card {
    flex-direction: column;
    text-align: center;
    padding: 24px 16px;
    border-radius: var(--radius-lg);
  }

  .community-content h2 {
    font-size: 1.35rem;
  }

  .community-content p {
    font-size: 0.875rem;
    margin: 0 auto 16px auto;
  }

  .btn-whatsapp-large {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  /* Floating WhatsApp Button */
  .whatsapp-float-widget {
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    right: 16px;
  }

  .whatsapp-float-btn {
    width: 52px;
    height: 52px;
    font-size: 26px;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
  }

  .whatsapp-float-tooltip {
    display: none !important;
  }

  /* Footer */
  .site-footer {
    padding: 36px 0 calc(24px + env(safe-area-inset-bottom, 0px)) 0;
  }

  .footer-top {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links-group {
    gap: 24px;
    width: 100%;
    justify-content: space-between;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* Small Smartphone Optimization (<= 480px) */
@media (max-width: 480px) {
  .nav-container {
    height: 58px;
  }

  .brand-tagline {
    display: none;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .btn-nav-community span {
    font-size: 0.775rem;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .search-submit-btn span {
    display: none;
  }

  .search-submit-btn {
    padding: 8px 12px;
  }

  .search-submit-btn::after {
    content: "\f002";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.85rem;
  }

  .category-title-group {
    gap: 8px;
  }

  .category-title-text {
    font-size: 0.8875rem;
  }

  .category-desc {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .trust-stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .stat-item {
    font-size: 0.7rem;
    padding: 6px 8px;
  }
}