/* ==========================================================================
   Muslim Rashtriya Manch (MRM) - Global Master Stylesheet
   Theme: National Harmony, Social Welfare & Empowerment
   ========================================================================== */

/* Import Google Fonts for Multi-language & Modern Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Bengali:wght@400;500;600;700&family=Noto+Sans+Devanagari:wght@400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Color Palette */
  --primary-color: #0D5C46;       /* Primary Green */
  --primary-dark: #083F31;        /* Deep Green */
  --primary-light: #137257;       /* Supporting Light Green */
  --secondary-color: #F28C28;     /* Primary Orange */
  --secondary-hover: #E87516;     /* Deep Orange */
  --accent-gold: #F28C28;         /* Supporting Orange Accent */
  --accent-gold-light: #FDF3E7;
  
  /* Neutral Color Palette */
  --text-main: #17231D;           /* Text Main */
  --text-muted: #455A50;          /* Muted Green Slate Text */
  --text-light: #809389;          /* Light Green Slate Text */
  --bg-main: #FFFFFF;
  --bg-alt: #FAFAF7;              /* Background Off-White */
  --bg-dark: #083F31;             /* Deep Green Background */
  --border-color: #E2E8E4;
  --border-focus: #0D5C46;
  
  /* Feedback Colors */
  --success: #10B981;
  --warning: #F28C28;
  --error: #EF4444;
  
  /* Elevation Shadows */
  --shadow-sm: 0 1px 3px rgba(23, 35, 29, 0.08), 0 1px 2px rgba(23, 35, 29, 0.04);
  --shadow-md: 0 4px 12px rgba(23, 35, 29, 0.08), 0 2px 4px rgba(23, 35, 29, 0.04);
  --shadow-lg: 0 10px 25px rgba(23, 35, 29, 0.12), 0 4px 10px rgba(23, 35, 29, 0.06);
  --shadow-gold: 0 8px 20px rgba(242, 140, 40, 0.25);
  
  /* Border Radius & Transition Specs */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  
  /* Typography Settings */
  --font-main: 'Outfit', 'Inter', 'Noto Sans Devanagari', 'Noto Sans Bengali', sans-serif;
  --font-body: 'Inter', 'Noto Sans Devanagari', 'Noto Sans Bengali', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

a:hover {
  color: var(--secondary-color);
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Base Layout Helpers */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding: 3.25rem 0;
  position: relative;
}

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

.section-bg-dark {
  background-color: var(--bg-dark);
  color: #FFFFFF;
}

/* Section Header Typography */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.25rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(13, 92, 70, 0.1);
  color: var(--primary-color);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-bg-dark .section-tag {
  background: rgba(212, 175, 55, 0.15);
  color: var(--accent-gold);
}

.section-title {
  font-family: var(--font-main);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-bg-dark .section-title {
  color: #FFFFFF;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
}

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

/* Reusable Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(13, 92, 70, 0.3);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-hover));
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #F49D48, var(--secondary-color));
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(242, 140, 40, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-outline-white {
  background: transparent;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
}

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

.btn-gold {
  background: linear-gradient(135deg, #F28C28, #E87516);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #F49D48, #F28C28);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 1.125rem;
}

/* Page Header / Hero Banner for Inner Pages */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #05261D 100%);
  color: #FFFFFF;
  padding: 1.75rem 0 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Compact Banner Style for All Inner Page Hero Banners */
.contact-page-hero,
.page-hero {
  padding: 1.75rem 0 1.5rem;
}

.contact-page-hero .page-title,
.page-hero .page-title {
  margin-bottom: 0.35rem;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 50%;
  height: 200%;
  background: radial-gradient(circle, rgba(242, 140, 40, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.page-title {
  font-family: var(--font-main);
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.9);
}

.breadcrumbs a:hover {
  color: var(--accent-gold);
}

/* Grid System Utility Classes */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Scroll To Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 99;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--secondary-color);
  transform: translateY(-4px);
}

/* ==========================================================================
   GLOBAL DARK MODE THEME SYSTEM
   ========================================================================== */
body.dark-theme {
  --text-main: #FAFAF7;
  --text-muted: #C2D1C9;
  --text-light: #809389;
  --bg-main: #0B1914;
  --bg-alt: #122820;
  --bg-dark: #051A14;
  --border-color: #1F3B32;
  background-color: var(--bg-main);
  color: var(--text-main);
}

/* Dark Mode Typography & Content Elements */
body.dark-theme h1,
body.dark-theme h2,
body.dark-theme h3,
body.dark-theme h4,
body.dark-theme h5,
body.dark-theme h6,
body.dark-theme .section-title,
body.dark-theme .page-title,
body.dark-theme .feature-title,
body.dark-theme .card-media-title,
body.dark-theme .gallery-title {
  color: #FAFAF7;
}

body.dark-theme p,
body.dark-theme .section-desc,
body.dark-theme .feature-desc,
body.dark-theme .card-media-desc,
body.dark-theme .footer-about-text,
body.dark-theme label {
  color: #C2D1C9;
}

/* Section Backgrounds in Dark Mode */
body.dark-theme .section-bg-alt {
  background-color: #122820;
}

/* Card Components in Dark Mode */
body.dark-theme .card-feature,
body.dark-theme .card-media,
body.dark-theme .gallery-item {
  background-color: #122820;
  border-color: #1F3B32;
}

body.dark-theme .card-media-footer {
  border-top-color: #1F3B32;
}

/* Headers & Navigation in Dark Mode */
body.dark-theme .desktop-header-wrapper,
body.dark-theme .mobile-header-wrapper {
  background-color: #0B1914;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

body.dark-theme .desktop-brand-section,
body.dark-theme .desktop-nav-bar,
body.dark-theme .mobile-header-top-bar,
body.dark-theme .mobile-toolbar {
  background-color: #0B1914;
  border-color: #1F3B32;
}

body.dark-theme .desktop-brand-logo .brand-name,
body.dark-theme .mobile-brand-name {
  color: #FAFAF7;
}

body.dark-theme .desktop-nav-menu .nav-link {
  color: #FAFAF7;
}

body.dark-theme .desktop-nav-menu .nav-item-divider {
  background-color: #1F3B32;
  opacity: 0.8;
}

body.dark-theme .desktop-theme-toggle,
body.dark-theme .mobile-toolbar-btn,
body.dark-theme .lang-btn {
  background-color: transparent;
  border-color: #1F3B32;
  color: #FAFAF7;
}

body.dark-theme .desktop-nav-login-btn {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: #FFFFFF;
}

body.dark-theme .mobile-toolbar-divider {
  background-color: #1F3B32;
}

body.dark-theme .mobile-top-login-btn {
  background-color: var(--secondary-color);
  border: none;
  color: #FFFFFF;
}

body.dark-theme .mobile-top-login-btn i {
  color: #FFFFFF;
}

body.dark-theme .desktop-theme-toggle i,
body.dark-theme .mobile-icon-btn i {
  color: var(--secondary-color);
}

/* Dropdowns & Expandable Search Bars */
body.dark-theme .lang-dropdown,
body.dark-theme .mobile-lang-dropdown,
body.dark-theme .desktop-search-bar,
body.dark-theme .mobile-search-bar {
  background-color: #122820;
  border-color: #1F3B32;
}

body.dark-theme .lang-option {
  color: #FAFAF7;
}

body.dark-theme .lang-option:hover,
body.dark-theme .lang-option.active {
  background-color: rgba(242, 140, 40, 0.15);
  color: var(--secondary-color);
}

body.dark-theme input[type="text"],
body.dark-theme input[type="email"],
body.dark-theme input[type="tel"],
body.dark-theme select,
body.dark-theme textarea {
  background-color: #0B1914;
  color: #FAFAF7;
  border-color: #1F3B32;
}

/* Mobile Drawer in Dark Mode */
body.dark-theme .mobile-drawer-body {
  background-color: #0B1914;
}

body.dark-theme .mobile-drawer-link {
  color: #FAFAF7;
  border-bottom-color: #1F3B32;
}

body.dark-theme .mobile-drawer-link-left i {
  color: #FAFAF7;
}

body.dark-theme .mobile-drawer-divider span {
  background-color: #0B1914;
  color: #C2D1C9;
}

body.dark-theme .mobile-drawer-divider::before {
  background-color: #1F3B32;
}

/* Modals in Dark Mode */
body.dark-theme .modal-card {
  background-color: #122820;
  color: #FAFAF7;
  border: 1px solid #1F3B32;
}

body.dark-theme .modal-card .form-control {
  background-color: #0B1914;
  color: #FAFAF7;
  border-color: #1F3B32;
}

/* Filter Tabs in Dark Mode */
body.dark-theme .filter-btn {
  background-color: #122820;
  color: #C2D1C9;
  border-color: #1F3B32;
}

/* Graceful handling for empty image placeholders waiting for user update */
img[src=""], img:not([src]) {
  opacity: 0 !important;
}

body.dark-theme .filter-btn:hover,
body.dark-theme .filter-btn.active {
  background-color: var(--primary-color);
  color: #FFFFFF;
  border-color: var(--primary-color);
}