/* ==========================================================================
   Parasmoni Medicare 2026 — Master Healthcare Design System Stylesheet
   Tokens grounded in DESIGN_SYSTEM.md & WCAG AA Accessible Standards
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Brand Primary Colors */
  --pm-red: #E31E24;
  --pm-red-hover: #C21419;
  --pm-red-dark: #991B1B;
  --pm-red-soft: #FEE2E2;
  --pm-red-tint: #FFF5F5;

  /* Clinical Navy */
  --pm-navy: #1E3A8A;
  --pm-navy-dark: #0F172A;
  --pm-navy-mid: #1E40AF;
  --pm-navy-soft: #EFF6FF;

  /* Healing Emerald / Teal */
  --pm-teal: #0F766E;
  --pm-teal-hover: #115E59;
  --pm-teal-soft: #CCFBF1;
  --pm-teal-bg: #F0FDFA;

  /* Neutral Slate Palette */
  --pm-bg-light: #F8FAFC;
  --pm-bg-subtle: #F1F5F9;
  --pm-border: #E2E8F0;
  --pm-border-strong: #CBD5E1;
  --pm-text-main: #0F172A;
  --pm-text-muted: #475569;
  --pm-text-subtle: #64748B;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-bengali: 'Hind Siliguri', 'Noto Sans Bengali', 'Bangla Sangam MN', 'Vrinda', 'Shonar Bangla', sans-serif;

  /* Elevations */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.09), 0 8px 10px -6px rgb(0 0 0 / 0.04);
  --shadow-card: 0 2px 12px rgba(15, 23, 42, 0.06);
  --shadow-card-hover: 0 16px 32px rgba(15, 23, 42, 0.12);
  --shadow-emergency: 0 0 20px rgba(227, 30, 36, 0.35);
}

/* Base Resets & Defaults */
html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--pm-text-main);
  background-color: var(--pm-bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.font-bengali {
  font-family: var(--font-bengali);
  letter-spacing: normal !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #F1F5F9;
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Sticky Header Dynamics & Desktop Layout Integrity */
#main-navbar {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#main-navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  border-bottom: 1px solid var(--pm-border);
}

/* Ensure Desktop Nav Links & Header Action Buttons Never Wrap */
#main-navbar nav a {
  white-space: nowrap !important;
  flex-shrink: 0;
}

#main-navbar a,
#main-navbar button {
  white-space: nowrap !important;
}

/* Glassmorphism Card */
.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.glass-panel-dark {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Emergency Button Pulse */
@keyframes pulse-red-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(227, 30, 36, 0.6);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(227, 30, 36, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(227, 30, 36, 0);
  }
}

.emergency-pulse {
  animation: pulse-red-glow 2s infinite;
}

@keyframes pulse-emerald-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.whatsapp-pulse {
  animation: pulse-emerald-glow 2.2s infinite;
}

/* Hero Carousel Customization */
.hero-swiper {
  width: 100%;
  height: 600px;
}

@media (max-width: 1024px) {
  .hero-swiper {
    height: 520px;
  }
}

@media (max-width: 768px) {
  .hero-swiper {
    height: 560px;
  }
  .hero-swiper .swiper-button-next,
  .hero-swiper .swiper-button-prev {
    display: none !important;
  }
  .hero-swiper .swiper-pagination {
    bottom: 14px !important;
  }
}

@media (max-width: 480px) {
  .hero-swiper {
    height: 580px;
  }
}

.hero-swiper .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: white;
  opacity: 0.6;
  transition: all 0.3s ease;
}

.hero-swiper .swiper-pagination-bullet-active {
  opacity: 1;
  width: 28px;
  border-radius: 6px;
  background: var(--pm-red);
}

.hero-swiper .swiper-button-next,
.hero-swiper .swiper-button-prev {
  color: white;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(6px);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.hero-swiper .swiper-button-next:hover,
.hero-swiper .swiper-button-prev:hover {
  background: var(--pm-red);
}

.hero-swiper .swiper-button-next::after,
.hero-swiper .swiper-button-prev::after {
  font-size: 16px;
  font-weight: bold;
}

/* Card Hover Elevate */
.hover-elevate {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-elevate:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* Horizontal Scroll Container for Category Filters */
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.hide-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Mobile Sticky Bottom HUD */
.mobile-hud {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 45;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--pm-border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

/* Badges & Trust Accents */
.badge-nabh {
  background: linear-gradient(135deg, #1E3A8A 0%, #0F172A 100%);
  color: #F8FAFC;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
}

.badge-emergency {
  background: linear-gradient(135deg, #E31E24 0%, #991B1B 100%);
  color: white;
}

.badge-cashless {
  background: linear-gradient(135deg, #0F766E 0%, #115E59 100%);
  color: white;
}

/* Modals */
.modal-overlay {
  transition: opacity 0.25s ease-out;
}

.modal-container {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease-out;
}

/* Focus Ring for WCAG Accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--pm-navy);
  outline-offset: 2px;
}

/* Floating WhatsApp Desk */
.floating-whatsapp {
  position: fixed;
  bottom: 80px; /* Sits gracefully above the mobile HUD (which is ~60px high) */
  right: 16px;
  z-index: 42;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background-color: #25D366;
  color: white;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}

@media (min-width: 768px) {
  .floating-whatsapp {
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
  }
}

.floating-whatsapp:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55);
}

/* Responsive Table Styles */
.responsive-table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ==========================================================================
   BRANDED FIRST-VISIT PRELOADER STYLES
   ========================================================================== */
.preloader-skip #pm-preloader {
  display: none !important;
}

#pm-preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#pm-preloader.preloader-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-progress-bar {
  width: 100%;
  background: linear-gradient(90deg, #E31E24, #1E3A8A, #0F766E);
  background-size: 200% 100%;
  animation: preloader-shimmer 1.5s infinite linear;
}

@keyframes preloader-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ==========================================================================
   INTERACTIVE BUTTONS, MICRO-HOVERS & DESKTOP ELEVATION
   ========================================================================== */
.btn-premium {
  position: relative;
  overflow: hidden;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-premium:hover {
  transform: translateY(-2px);
}

.btn-premium:active {
  transform: scale(0.97);
}

.btn-premium::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: all 0.6s ease;
}

.btn-premium:hover::after {
  left: 140%;
}

/* Desktop Navigation Hover Link Underline */
.nav-link-hover {
  position: relative;
}

.nav-link-hover::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--pm-red);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Heading Accent Gradients */
.gradient-text-navy {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #E31E24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-red {
  background: linear-gradient(135deg, #E31E24 0%, #B91C1C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Enhanced 3D Card Hover */
.hover-glow-card {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.hover-glow-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -10px rgba(15, 23, 42, 0.12), 0 0 1px 1px rgba(30, 58, 138, 0.08);
}

/* ==========================================================================
   Header Dropdown Navigation Styling
   ========================================================================== */
.dropdown-container {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 1rem;
  padding: 0.5rem;
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.15), 0 0 1px 1px rgba(15, 23, 42, 0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
  z-index: 60;
}

.dropdown-container:hover .dropdown-menu,
.dropdown-container.dropdown-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  border-radius: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #334155;
  transition: all 0.2s ease;
}

.dropdown-item:hover {
  background-color: #F8FAFC;
  color: #1E3A8A;
  transform: translateX(3px);
}

.dropdown-item.active {
  background-color: #FEF2F2;
  color: #E31E24;
}

.dropdown-arrow {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-container:hover .dropdown-arrow,
.dropdown-container.dropdown-open .dropdown-arrow {
  transform: rotate(180deg);
}