/* ==========================================================================
   PRITAM AMBULANCE SERVICE — PREMIUM DESIGN SYSTEM & STYLESHEET
   Reference: pritamambulance.com (Kolkata)
   Pure CSS3 — No Heavy Frameworks
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette */
  --primary: #E53935;
  --primary-dark: #C62828;
  --primary-hover: #D32F2F;
  --primary-light: #FFEBEE;
  --primary-subtle: #FEF2F2;
  
  --secondary: #0B1F33;
  --secondary-dark: #071524;
  --secondary-light: #162E4A;
  --secondary-border: rgba(255, 255, 255, 0.12);
  
  --dark: #111827;
  --dark-surface: #1E293B;
  --text: #475569;
  --text-muted: #64748B;
  --text-dark: #0F172A;
  --text-light: #F8FAFC;
  
  --light-bg: #F7F9FC;
  --card-bg: #FFFFFF;
  --white: #FFFFFF;
  --border: #E5E7EB;
  --border-light: #F1F5F9;
  
  --success: #25D366;
  --success-dark: #1EBE5D;
  --success-light: #E8F8EE;
  
  --warning: #F59E0B;
  --info: #0284C7;

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

  /* Elevations & Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
  --shadow-emergency: 0 12px 30px -5px rgba(229, 57, 53, 0.35);
  --shadow-whatsapp: 0 12px 30px -5px rgba(37, 211, 102, 0.35);

  /* Layout & Sizing */
  --container-max: 1240px;
  --container-padding: clamp(1rem, 4vw, 2rem);
  --header-height: 75px;
  --topbar-height: 40px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. Utility Classes & Layout Containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding-top: clamp(4rem, 7vw, 6.5rem);
  padding-bottom: clamp(4rem, 7vw, 6.5rem);
  position: relative;
}

.section-light {
  background-color: var(--light-bg);
}

.section-dark {
  background-color: var(--secondary);
  color: var(--text-light);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.badge-emergency {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid rgba(229, 57, 53, 0.2);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.7);
  animation: pulse-dot 1.8s infinite;
}

.badge-dark {
  background-color: rgba(255, 255, 255, 0.1);
  color: #93C5FD;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.section-dark .section-subtitle {
  color: #94A3B8;
}

.text-primary {
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   4. Buttons & CTA System
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.85rem 1.65rem;
  min-height: 52px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-emergency);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -4px rgba(229, 57, 53, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--secondary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--light-bg);
  border-color: #CBD5E1;
  color: var(--secondary-dark);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--success);
  color: var(--white);
  box-shadow: var(--shadow-whatsapp);
}

.btn-whatsapp:hover {
  background-color: var(--success-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -4px rgba(37, 211, 102, 0.45);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 42px;
  padding: 0.5rem 1.15rem;
  font-size: 0.875rem;
}

.btn-lg {
  min-height: 56px;
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

/* --------------------------------------------------------------------------
   5. Top Announcement / Micro Bar
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--secondary-dark);
  color: #94A3B8;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 101;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--topbar-height);
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #CBD5E1;
}

.top-bar-item i {
  color: var(--primary);
}

.top-bar-item a {
  color: #F1F5F9;
  font-weight: 600;
}

.top-bar-item a:hover {
  color: var(--white);
  text-decoration: underline;
}

.top-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(37, 211, 102, 0.15);
  color: var(--success);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   6. Sticky Desktop & Mobile Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: all var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  height: 90px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo img {
  height: 85px;
  width: auto;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-dark);
  font-size: 1.35rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--light-bg);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--white);
  z-index: 200;
  padding: 1.5rem 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transition: right var(--transition-smooth);
  overflow-y: auto;
}

.mobile-nav-drawer.is-open {
  right: 0;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.mobile-nav-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
  padding: 0.25rem;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.85rem 1rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.mobile-nav-cta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 199;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

/* --------------------------------------------------------------------------
   7. Hero Section (Split Layout)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background: radial-gradient(120% 100% at 100% 0%, #FFF5F5 0%, #FFFFFF 65%, #F8FAFC 100%);
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-title {
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: var(--primary);
  position: relative;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.6vw, 1.1875rem);
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.hero-trust-bullets {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark);
}

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

/* Hero Visual Composition */
.hero-visual {
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
  box-shadow: var(--shadow-xl);
  background-color: var(--secondary);
}

.hero-image-wrap img,
.hero-image-wrap svg {
  border-radius: var(--radius-xl);
  width: 100%;
  height: auto;
  display: block;
}

/* Floating Badges */
.floating-card {
  position: absolute;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-lg);
  z-index: 10;
  animation: float 4s ease-in-out infinite;
}

.floating-card-1 {
  top: -20px;
  left: -20px;
}

.floating-card-2 {
  bottom: -20px;
  right: -20px;
  animation-delay: 2s;
}

.floating-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.floating-icon.red {
  background-color: var(--primary-light);
  color: var(--primary);
}

.floating-icon.yellow {
  background-color: #FEF3C7;
  color: #D97706;
}

.floating-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--text-dark);
  font-weight: 800;
  line-height: 1.2;
}

.floating-text span {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   8. Emergency Quick Contact Bar
   -------------------------------------------------------------------------- */
.quick-bar-wrapper {
  margin-top: -1.75rem;
  position: relative;
  z-index: 20;
}

.emergency-bar-card {
  background-color: var(--secondary);
  background-image: linear-gradient(135deg, #0B1F33 0%, #162E4A 100%);
  border-radius: var(--radius-xl);
  padding: 1.75rem 2.25rem;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.emergency-bar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.emergency-alert-icon {
  width: 56px;
  height: 56px;
  background-color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 0 0 6px rgba(229, 57, 53, 0.25);
  animation: pulse-ring 2s infinite;
}

.emergency-bar-info h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.emergency-bar-info p {
  color: #94A3B8;
  font-size: 0.9375rem;
}

.emergency-bar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   9. Trust & Stats Section
   -------------------------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: #CBD5E1;
}

.stat-card:hover::after {
  background-color: var(--primary);
}

.stat-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background-color: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  transition: all var(--transition-base);
}

.stat-card:hover .stat-icon {
  background-color: var(--primary);
  color: var(--white);
}

.stat-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.stat-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   10. About Section
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.about-content-right {
  display: flex;
  flex-direction: column;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  margin: 1.75rem 0 2.25rem;
}

.about-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
}

.about-feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.about-feature-text h4 {
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
}

.about-feature-text p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   11. Services Grid Section
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(229, 57, 53, 0.4);
  box-shadow: var(--shadow-xl);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background-color: var(--light-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon-box {
  background-color: var(--primary);
  color: var(--white);
}

.service-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--light-bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.service-badge.featured {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  border-color: rgba(229, 57, 53, 0.25);
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--text);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features-list {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-features-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features-list li i {
  color: var(--success);
  font-size: 0.8rem;
}

.service-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--primary);
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  transition: gap var(--transition-fast);
}

.service-cta-link:hover {
  color: var(--primary-dark);
  gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   12. Why Choose Us (Dark Navy Section)
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.why-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.why-feature-card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--secondary-border);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-base);
}

.why-feature-card:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(229, 57, 53, 0.5);
  transform: translateY(-4px);
}

.why-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(229, 57, 53, 0.15);
  color: #F87171;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.why-feature-card h4 {
  font-size: 1.0625rem;
  margin-bottom: 0.35rem;
}

.why-feature-card p {
  font-size: 0.875rem;
  color: #94A3B8;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   13. How It Works (3-Step Process)
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 45px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--border) 0, var(--border) 8px, transparent 8px, transparent 16px);
  z-index: 1;
}

.process-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.75rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 2;
  transition: all var(--transition-base);
}

.process-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: #CBD5E1;
}

.process-step-num {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.8125rem;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 10px rgba(229, 57, 53, 0.3);
}

.process-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--light-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0.5rem auto 1.25rem;
}

.process-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.process-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   14. Service Areas (Kolkata & Suburbs)
   -------------------------------------------------------------------------- */
.areas-section {
  background-image: url('../images/pattern-map.svg');
  background-repeat: repeat;
  background-size: 80px 80px;
}

.areas-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.areas-location-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.location-chip {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-base);
}

.location-chip:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.location-pin-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.location-chip strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-dark);
}

.location-chip span {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.interstate-banner {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #0B1F33 0%, #162E4A 100%);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.interstate-banner p {
  margin: 0;
  font-size: 0.9375rem;
  color: #E2E8F0;
}

.interstate-banner strong {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   15. Full-Width Emergency CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner-section {
  background: radial-gradient(circle at center, #162E4A 0%, #0B1F33 60%, #06111C 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-banner-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(229, 57, 53, 0.2) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cta-banner-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
  margin: 0 auto;
}

.cta-banner-content h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-banner-content p {
  font-size: 1.15rem;
  color: #CBD5E1;
  margin-bottom: 2.25rem;
}

.cta-banner-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   16. Testimonials Slider
   -------------------------------------------------------------------------- */
.testimonial-slider-container {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

.slider-viewport {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.slider-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 1rem;
  box-sizing: border-box;
}

.testimonial-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
}

.testimonial-stars {
  color: #F59E0B;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: center;
  gap: 0.25rem;
}

.testimonial-quote {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-style: italic;
  line-height: 1.7;
  color: var(--text-dark);
  margin-bottom: 1.75rem;
}

.testimonial-author strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--text-dark);
}

.testimonial-author span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Slider Controls */
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--white);
  border: 1px solid var(--border);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

.slider-btn:hover {
  background-color: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.slider-dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #CBD5E1;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.is-active {
  width: 28px;
  border-radius: 10px;
  background-color: var(--primary);
}

/* --------------------------------------------------------------------------
   17. FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: #CBD5E1;
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--light-bg);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
  transition: transform var(--transition-base), background-color var(--transition-base), color var(--transition-base);
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  background-color: var(--primary-light);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 1.5rem 1.35rem;
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   18. Contact & Instant Request Section
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.contact-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.contact-card-item {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-base);
}

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

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-icon-box.phone {
  background-color: var(--primary-light);
  color: var(--primary);
}

.contact-icon-box.whatsapp {
  background-color: var(--success-light);
  color: var(--success);
}

.contact-icon-box.location {
  background-color: #E0F2FE;
  color: #0284C7;
}

.contact-icon-box.email {
  background-color: #FEF3C7;
  color: #D97706;
}

.contact-card-text span {
  display: block;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-card-text strong {
  display: block;
  font-size: 1.05rem;
  color: var(--text-dark);
}

/* Request Form */
.request-form-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 2.75rem);
  box-shadow: var(--shadow-lg);
}

.request-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.request-form-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--light-bg);
  color: var(--text-dark);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  background-color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
}

.form-control.error {
  border-color: var(--primary);
  background-color: #FEF2F2;
}

.form-error-msg {
  font-size: 0.775rem;
  color: var(--primary);
  margin-top: 0.35rem;
  display: none;
}

.form-error-msg.visible {
  display: block;
}

/* --------------------------------------------------------------------------
   19. Toast Notification System
   -------------------------------------------------------------------------- */
.toast-notification {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--secondary);
  color: var(--white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  z-index: 1000;
  transform: translateY(120%);
  opacity: 0;
  transition: all var(--transition-base);
}

.toast-notification.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.toast-notification.toast-success {
  border-left: 4px solid var(--success);
}

.toast-notification.toast-error {
  border-left: 4px solid var(--primary);
}

/* --------------------------------------------------------------------------
   20. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--secondary-dark);
  color: #94A3B8;
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 1.1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 3.5rem;
}

.footer-brand p {
  margin: 1.25rem 0 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #94A3B8;
}

.footer-emergency-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(229, 57, 53, 0.15);
  border: 1px solid rgba(229, 57, 53, 0.35);
  color: #F87171;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
}

.footer-emergency-pill a {
  color: #FFFFFF;
}

.footer-emergency-pill a:hover {
  text-decoration: underline;
}

.footer-title {
  color: var(--white);
  font-size: 1.125rem;
  margin-bottom: 1.35rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  transform: translateX(3px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: #CBD5E1;
}

.footer-contact-item i {
  color: var(--primary);
  margin-top: 0.25rem;
  font-size: 1rem;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   21. Mobile Fixed Bottom Emergency Bar
   -------------------------------------------------------------------------- */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 64px;
  background-color: var(--white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
  z-index: 99;
  padding: 0.5rem 0.75rem;
}

.mobile-bottom-bar-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  height: 100%;
}

.mobile-bottom-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--white);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.mobile-bottom-btn.call {
  background-color: var(--primary);
}

.mobile-bottom-btn.whatsapp {
  background-color: var(--success);
}

/* --------------------------------------------------------------------------
   22. Back-to-Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 85px;
  right: 25px;
  width: 44px;
  height: 44px;
  background-color: var(--secondary);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-base);
  z-index: 90;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   23. Animations & Keyframes
   -------------------------------------------------------------------------- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(229, 57, 53, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(229, 57, 53, 0); }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.4); }
  70% { box-shadow: 0 0 0 14px rgba(229, 57, 53, 0); }
  100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0); }
}

/* --------------------------------------------------------------------------
   24. Responsive Media Queries
   -------------------------------------------------------------------------- */
/* Large Screens / Desktop (Max 1200px) */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* Tablet (Max 992px) */
@media (max-width: 992px) {
  .top-bar-right {
    display: none;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .header-cta .btn {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    max-width: 580px;
    margin: 0 auto;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image-card {
    max-width: 580px;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .process-grid::before {
    display: none;
  }

  .areas-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Mobile Devices (Max 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 65px;
  }

  body {
    padding-bottom: 64px; /* Space for mobile sticky bottom bar */
  }

  .top-bar {
    display: none;
  }

  .mobile-bottom-bar {
    display: block;
  }

  .back-to-top {
    bottom: 78px;
    right: 15px;
  }

  .emergency-bar-card {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .emergency-bar-left {
    flex-direction: column;
  }

  .emergency-bar-actions {
    width: 100%;
    flex-direction: column;
  }

  .emergency-bar-actions .btn {
    width: 100%;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .floating-card-1 {
    top: -10px;
    left: 0;
  }

  .floating-card-2 {
    bottom: -10px;
    right: 0;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .why-features-grid {
    grid-template-columns: 1fr;
  }

  .areas-location-wrapper {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-banner-buttons .btn {
    width: 100%;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}