/* modern-ui.css - Premium Design System for Navjivan Group Dakor */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Default Theme (Luxury Gold for Party Plot) */
  --primary: #d4af37;
  --primary-rgb: 212, 175, 55;
  --accent: #efbf43;
  --accent-rgb: 239, 191, 67;
  
  --bg-dark: #07070a;
  --bg-deep: #0e0e13;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(14, 14, 19, 0.7);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(212, 175, 55, 0.4);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-inverse: #07070a;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.15);
  
  /* Fonts */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  
  --container-max: 1280px;
}

/* Theme Variant: Navjivan Machinery (High-Tech Blue/Cyan) */
[data-active-theme="machinery"] {
  --primary: #3b82f6;
  --primary-rgb: 59, 130, 246;
  --accent: #06b6d4;
  --accent-rgb: 6, 182, 212;
  --border-focus: rgba(59, 130, 246, 0.4);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.2);
}

/* Theme Variant: Nilkamal Party Plot (Modern Luxury Violet/Orchid) */
[data-active-theme="nilkamal"] {
  --primary: #a855f7;
  --primary-rgb: 168, 85, 247;
  --accent: #ec4899;
  --accent-rgb: 236, 72, 153;
  --border-focus: rgba(168, 85, 247, 0.4);
  --shadow-glow: 0 0 20px rgba(168, 85, 247, 0.25);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.2;
}

h2 {
  font-size: 2.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, #fff 30%, rgba(255, 255, 255, 0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent-text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p {
  color: var(--text-muted);
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  h2 {
    font-size: 2rem;
  }
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(var(--primary-rgb), 0.25);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* Preloader */
.modern-preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-dark);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modern-preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  text-align: center;
  animation: pulseLogo 2s infinite ease-in-out;
}

.loader-logo img {
  height: 80px;
  margin-bottom: 20px;
}

.loader-bar {
  width: 150px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.loader-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 10px;
  animation: loadProgress 1.5s infinite ease-in-out;
}

@keyframes pulseLogo {
  0%, 100% { transform: scale(0.95); opacity: 0.6; }
  50% { transform: scale(1.05); opacity: 1; }
}

@keyframes loadProgress {
  0% { left: -50%; }
  100% { left: 100%; }
}

/* Header & Navigation */
.main-header-modern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--transition-normal), border-bottom var(--transition-normal), backdrop-filter var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.main-header-modern.scrolled {
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
}

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

.logo-container img {
  height: 50px;
  display: block;
  transition: transform var(--transition-normal);
}

.logo-container:hover img {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 0;
  transition: var(--transition-fast);
}

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

/* Mega dropdown menu */
.nav-links .dropdown-menu-modern {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--bg-deep);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 16px 0;
  width: 220px;
  opacity: 0;
  visibility: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast), opacity var(--transition-fast), visibility var(--transition-fast);
  list-style: none;
  z-index: 10;
}

.nav-links li:hover .dropdown-menu-modern {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu-modern li a {
  display: block;
  padding: 10px 24px;
  font-size: 0.9rem;
}

.dropdown-menu-modern li a:hover {
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
  padding-left: 28px;
}

/* Call to Action Button */
.cta-button {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-inverse);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: 12px 24px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
  filter: brightness(1.1);
  color: var(--text-inverse);
}

.cta-button:active {
  transform: translateY(0);
}

/* Hamburger toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-fast);
}

@media (max-width: 991px) {
  .nav-links, .nav-container .cta-button {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
}

/* Mobile Side Menu */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100%;
  background: var(--bg-deep);
  border-left: 1px solid var(--border-glass);
  z-index: 1001;
  padding: 40px 32px;
  display: block; /* Block layout instead of Flex to ensure native scrolling works perfectly */
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-lg);
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain; /* Prevents scroll chaining to the body */
}

.mobile-nav-panel.open {
  right: 0;
}

.mobile-nav-panel .close-btn {
  display: block;
  margin-left: auto;
  margin-bottom: 30px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.8rem;
  cursor: pointer;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
}

.mobile-nav-links a i.fa-angle-down {
  transition: transform var(--transition-fast);
}

.mobile-nav-links a.open i.fa-angle-down {
  transform: rotate(180deg);
}

.mobile-sublinks {
  list-style: none;
  padding-left: 16px;
  margin-top: 8px;
  display: none;
  flex-direction: column;
  gap: 12px;
}

.mobile-sublinks.open {
  display: flex;
}

.mobile-sublinks a {
  font-size: 0.95rem;
  color: var(--text-muted);
  display: block;
}

/* Hero Section */
.hero-slider-section-modern {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: var(--bg-dark);
}

.hero-slider-modern {
  width: 100%;
  height: 100%;
  position: relative;
}

.slide-modern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow) ease-in-out, visibility var(--transition-slow);
  display: flex;
  align-items: center;
}

.slide-modern.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
  transition: transform 8s linear;
}

.slide-modern.active .slide-bg {
  transform: scale(1.15);
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(7,7,10,0.4) 0%, rgba(7,7,10,0.85) 100%);
  z-index: 2;
}

.slide-content-modern {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.slide-content-wrapper {
  max-width: 650px;
  opacity: 0;
  transform: translateY(30px);
  transition: transform var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1), opacity var(--transition-slow);
  transition-delay: 0.4s;
}

.slide-modern.active .slide-content-wrapper {
  opacity: 1;
  transform: translateY(0);
}

.slide-tagline {
  font-family: var(--font-display);
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: inline-block;
}

.slide-title-modern {
  font-size: 3.8rem;
  font-family: var(--font-serif);
  line-height: 1.1;
  margin-bottom: 24px;
}

.slide-desc {
  font-size: 1.1rem;
  margin-bottom: 32px;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .slide-title-modern {
    font-size: 2.5rem;
  }
  .slide-desc {
    font-size: 1rem;
  }
}

/* Slider Controls */
.slider-bullets {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 12px;
}

.bullet {
  width: 32px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.bullet.active {
  background: var(--primary);
  width: 48px;
}

/* Division Quick Selector Tabs */
.division-selector-section {
  position: relative;
  z-index: 10;
  margin-top: -60px;
}

.selector-tabs-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 0 24px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.selector-tab {
  background: rgba(14, 14, 19, 0.8);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 24px 32px;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.selector-tab .tab-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: background var(--transition-normal), color var(--transition-normal);
}

.selector-tab .tab-info h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.selector-tab .tab-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Tab Hover states */
.selector-tab:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
}

/* Tab Active states based on dataset value */
[data-active-tab="party-plot"] .selector-tab[data-tab="party-plot"],
[data-active-tab="machinery"] .selector-tab[data-tab="machinery"],
[data-active-tab="nilkamal"] .selector-tab[data-tab="nilkamal"] {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

[data-active-tab="party-plot"] .selector-tab[data-tab="party-plot"] .tab-icon,
[data-active-tab="machinery"] .selector-tab[data-tab="machinery"] .tab-icon,
[data-active-tab="nilkamal"] .selector-tab[data-tab="nilkamal"] .tab-icon {
  background: var(--primary);
  color: var(--text-inverse);
}

[data-active-tab="party-plot"] .selector-tab[data-tab="party-plot"] .tab-info h4,
[data-active-tab="machinery"] .selector-tab[data-tab="machinery"] .tab-info h4,
[data-active-tab="nilkamal"] .selector-tab[data-tab="nilkamal"] .tab-info h4 {
  color: var(--primary);
}

@media (max-width: 991px) {
  .selector-tabs-container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .division-selector-section {
    margin-top: -30px;
  }
}

/* Animated Content Panel Switching */
.division-content-panel {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-normal) ease-out, transform var(--transition-normal) ease-out;
}

.division-content-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Welcome Grid Section */
.welcome-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.welcome-images {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.main-welcome-img {
  width: 80%;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-glass);
}

.secondary-welcome-img {
  position: absolute;
  width: 50%;
  bottom: -30px;
  left: -20px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-glass);
  transform: translateZ(20px);
}

.signature-box {
  margin-top: 32px;
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-meta h5 {
  font-size: 1.1rem;
  color: #fff;
}

.author-meta span {
  font-size: 0.85rem;
  color: var(--primary);
}

@media (max-width: 991px) {
  .welcome-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .secondary-welcome-img {
    display: none;
  }
  .main-welcome-img {
    width: 100%;
  }
}

/* Features/Services Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 48px;
}

.feature-card {
  padding: 40px 32px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  transform-style: preserve-3d;
  transform: perspective(1000px);
}

.feature-card .icon-box {
  width: 56px;
  height: 56px;
  background: rgba(var(--primary-rgb), 0.1);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.6rem;
  color: var(--primary);
  border: 1px solid rgba(var(--primary-rgb), 0.2);
  transition: transform var(--transition-normal);
}

.feature-card:hover .icon-box {
  transform: scale(1.1) translateZ(15px);
}

.feature-card h3 {
  font-size: 1.3rem;
  color: #fff;
  transition: color var(--transition-fast);
}

.feature-card:hover h3 {
  color: var(--primary);
}

.feature-card p {
  font-size: 0.95rem;
  flex-grow: 1;
}

/* Section Title Modern */
.sec-title-modern {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px auto;
}

.sec-title-modern .subtitle {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  display: inline-block;
}

.sec-title-modern h2 {
  font-size: 2.5rem;
  font-family: var(--font-serif);
  margin-bottom: 16px;
}

/* Room Showcase Carousel (Horizontal List) */
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.room-card-modern {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border-glass);
  background: var(--bg-deep);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.room-card-modern:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(var(--primary-rgb), 0.3);
}

.room-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.room-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.room-card-modern:hover .room-img-wrapper img {
  transform: scale(1.1);
}

.room-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--bg-dark);
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.room-card-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.room-card-info h4 {
  font-size: 1.15rem;
  color: #fff;
}

.room-specs {
  display: flex;
  gap: 16px;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.room-specs li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.room-specs li i {
  color: var(--primary);
}

@media (max-width: 1199px) {
  .rooms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .rooms-grid {
    grid-template-columns: 1fr;
  }
}

/* Event Budget & Capacity Calculator */
.calculator-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-group label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  display: flex;
  justify-content: space-between;
}

.calc-group label span {
  color: var(--primary);
  font-weight: 700;
}

.range-slider-wrapper {
  position: relative;
}

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.5);
  transition: transform 0.1s;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.checkbox-option-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.checkbox-option {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  font-size: 0.95rem;
}

.checkbox-option input {
  display: none;
}

.custom-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition-fast);
}

.checkbox-option input:checked + .custom-checkbox {
  background: var(--primary);
  border-color: var(--primary);
}

.checkbox-option input:checked + .custom-checkbox::after {
  content: '\f00c';
  font-family: 'FontAwesome';
  font-size: 0.75rem;
  color: var(--text-inverse);
  font-weight: 700;
}

.calc-results {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-results h5 {
  font-size: 1rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-result-value {
  font-size: 2.2rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--primary);
  text-shadow: 0 0 10px rgba(var(--primary-rgb), 0.2);
}

.calc-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .calculator-container {
    padding: 24px;
  }
}

/* Machinery Filters & Grid */
.machinery-catalog-filters {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn-modern {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 10px 24px;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 500;
  transition: var(--transition-fast);
}

.filter-btn-modern:hover,
.filter-btn-modern.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-glow);
}

.machinery-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.machinery-card-modern {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border-glass);
  background: var(--bg-deep);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.machinery-card-modern.hidden {
  display: none;
}

.machinery-img-wrapper {
  height: 220px;
  overflow: hidden;
}

.machinery-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.machinery-card-modern:hover .machinery-img-wrapper img {
  transform: scale(1.08);
}

.machinery-card-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.machinery-card-info h4 {
  font-size: 1.2rem;
  color: #fff;
}

.machinery-card-info p {
  font-size: 0.9rem;
  flex-grow: 1;
}

.machinery-specs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
  list-style: none;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-glass);
  padding-top: 16px;
}

.machinery-specs-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.machinery-specs-list li i {
  color: var(--primary);
}

/* Contact Drawer Form (Slide-Out Side Panel) */
.inquiry-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.inquiry-drawer-panel {
  position: absolute;
  top: 0;
  right: -550px;
  width: 500px;
  max-width: 100%;
  height: 100%;
  background: var(--bg-deep);
  border-left: 1px solid var(--border-glass);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  transition: right var(--transition-normal) cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.inquiry-drawer-backdrop.open .inquiry-drawer-panel {
  right: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-header h3 {
  font-size: 1.6rem;
  font-family: var(--font-serif);
}

.drawer-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Modern Form Elements */
.modern-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group-modern {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group-modern label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.form-input-modern {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input-modern:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--border-focus);
}

textarea.form-input-modern {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn-modern {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-inverse);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border: none;
  border-radius: 30px;
  padding: 16px;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  margin-top: 10px;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.2);
}

.form-submit-btn-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.3);
}

/* Footer Section Modern */
.main-footer-modern {
  background-color: var(--bg-deep);
  border-top: 1px solid var(--border-glass);
  padding: 80px 0 30px 0;
}

.footer-grid-modern {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

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

.footer-column-modern img.footer-logo {
  height: 50px;
  align-self: flex-start;
}

.footer-column-modern h4 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  border-left: 3px solid var(--primary);
  padding-left: 12px;
}

.footer-column-modern p {
  font-size: 0.9rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-contact-info {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-contact-info li {
  display: flex;
  gap: 12px;
}

.footer-contact-info li i {
  color: var(--primary);
  font-size: 1rem;
  margin-top: 4px;
}

.qr-code-wrapper {
  background: white;
  padding: 10px;
  border-radius: 12px;
  width: 120px;
  height: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.qr-code-wrapper img {
  width: 100%;
  height: 100%;
}

.footer-bottom-modern {
  border-top: 1px solid var(--border-glass);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 991px) {
  .footer-grid-modern {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 575px) {
  .footer-grid-modern {
    grid-template-columns: 1fr;
  }
  .footer-bottom-modern {
    flex-direction: column;
    text-align: center;
  }
}

/* Scroll Reveal Keyframe Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1), transform var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Custom Nilkamal details / styling overrides */
.gallery-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.gallery-item-modern {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  height: 250px;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.gallery-item-modern img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item-modern::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-caption {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.gallery-caption h4 {
  font-size: 1.1rem;
}

.gallery-item-modern:hover img {
  transform: scale(1.1);
}

.gallery-item-modern:hover::after {
  opacity: 1;
}

.gallery-item-modern:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* Subpages Layout Styling Extensions */

/* Page Hero Banner */
.page-title {
  position: relative;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  margin-top: 80px; /* Header spacing */
}

.page-title::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(7,7,10,0.5) 0%, var(--bg-dark) 100%);
  z-index: 1;
}

.page-title .auto-container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.page-title h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  text-shadow: var(--shadow-sm);
  background: linear-gradient(135deg, #fff 40%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
  .page-title h1 {
    font-size: 2rem;
  }
}

/* Breadcrumbs Banner */
.page-info {
  background: rgba(255,255,255,0.01);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 16px 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-info .auto-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-info h2 {
  font-size: 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.bread-crumb {
  display: flex;
  list-style: none;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.bread-crumb li a {
  color: var(--primary);
  transition: var(--transition-fast);
}

.bread-crumb li a:hover {
  color: var(--accent);
}

.bread-crumb li::after {
  content: '/';
  margin-left: 8px;
  color: rgba(255,255,255,0.15);
}

.bread-crumb li:last-child::after {
  content: '';
}

/* Sidebar Columns Layout */
.sidebar-page-container {
  padding: 80px 0;
}

.sidebar-page-container .row {
  display: flex;
  gap: 40px;
}

.sidebar-side {
  flex: 0 0 280px;
}

.content-side {
  flex: 1;
}

@media (max-width: 991px) {
  .sidebar-page-container .row {
    flex-direction: column;
  }
  .sidebar-side {
    flex: 1 0 auto;
    width: 100%;
  }
}

/* Glassmorphic Sidebar Widget */
.widget.sidebar-widget.styled-nav {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 24px;
}

.widget.sidebar-widget.styled-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.widget.sidebar-widget.styled-nav li a {
  display: block;
  padding: 12px 18px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.widget.sidebar-widget.styled-nav li a:hover {
  background: rgba(255, 255, 255, 0.02);
  color: var(--primary);
  border-color: rgba(var(--primary-rgb), 0.1);
  padding-left: 22px;
}

.widget.sidebar-widget.styled-nav li.current a,
.widget.sidebar-widget.styled-nav li a.active {
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  border-color: rgba(var(--primary-rgb), 0.2);
  font-weight: 600;
}

/* Content Details Styling */
.service-details {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.service-images .single-item-carousel {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.service-images .single-item-carousel img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.service-images .single-item-carousel img:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-details h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--primary);
}

.text-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.text-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
}

/* Mixitup / Filterable Gallery Grid */
.mixitup-gallery .filter-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.default-portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
  background: var(--bg-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.default-portfolio-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(var(--primary-rgb), 0.25);
}

.default-portfolio-item figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  height: 250px;
}

.default-portfolio-item figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.default-portfolio-item:hover figure img {
  transform: scale(1.08);
}

.default-portfolio-item .overlay-one {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(var(--bg-dark), 0.65);
  backdrop-filter: blur(4px);
  opacity: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity var(--transition-normal);
}

.default-portfolio-item:hover .overlay-one {
  opacity: 1;
}

.default-portfolio-item .overlay-one a.proj-link {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--text-inverse);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
}

.default-portfolio-item .overlay-one a.proj-link:hover {
  transform: scale(1.1);
  background: var(--accent);
}

/* Lightbox Modal Styles */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 7, 10, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 3000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.lightbox-modal.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90%;
  max-height: 80%;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.lightbox-modal.open .lightbox-content {
  transform: scale(1);
}

.lightbox-content img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-glass);
}

.lightbox-close {
  position: absolute;
  top: 30px;
  right: 40px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 2.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--primary);
  transform: scale(1.1);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition-fast);
}

.lightbox-nav:hover {
  background: var(--primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-glow);
}

.lightbox-prev {
  left: 40px;
}

.lightbox-next {
  right: 40px;
}

@media (max-width: 768px) {
  .lightbox-prev {
    left: 16px;
  }
  .lightbox-next {
    right: 16px;
  }
  .lightbox-nav {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
}

/* Contact Page Layout */
.contact-grid-modern {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.contact-form-side {
  padding: 40px;
}

.contact-info-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  padding: 30px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-info-card .icon-box {
  width: 48px;
  height: 48px;
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  border: 1px solid rgba(var(--primary-rgb), 0.15);
}

.contact-info-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.contact-info-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.map-container-modern {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
  margin-top: 60px;
}

@media (max-width: 991px) {
  .contact-grid-modern {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}