/* ==========================================================================
   VIAN POWER TECHNOLOGY PVT. LTD. - Official Master Stylesheet
   Modern Heavy Industrial Aesthetics, Dynamic Responsive UI, Glassmorphism, 
   Bilingual Support & Interactive Components
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
  /* Brand Palette */
  --primary: #0a2540;
  --primary-dark: #061826;
  --primary-light: #144272;
  --accent: #ffb703;
  --accent-hover: #f59e0b;
  --accent-glow: rgba(255, 183, 3, 0.3);
  --dark-surface: #0f172a;
  --dark-card: #1e293b;
  --light-bg: #f8fafc;
  --light-card: #ffffff;
  --border-light: #e2e8f0;
  --border-dark: #334155;
  
  /* Text colors */
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --text-accent: #ffb703;

  /* Typography */
  --font-heading: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Elevations & Shadows */
  --shadow-sm: 0 2px 4px rgba(10, 37, 64, 0.05);
  --shadow-md: 0 6px 18px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 16px 36px rgba(10, 37, 64, 0.12);
  --shadow-accent: 0 10px 25px rgba(255, 183, 3, 0.25);

  /* Transitions & Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #061826;
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 5px;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary);
  font-weight: 800;
  line-height: 1.2;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-accent { color: var(--accent) !important; }

/* Badge & Headers */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.2rem;
  background: rgba(255, 183, 3, 0.15);
  border: 1px solid rgba(255, 183, 3, 0.4);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1rem;
}

.dark-bg .section-tag {
  background: rgba(255, 183, 3, 0.15);
  color: var(--accent);
}

.section-title {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
  margin-bottom: 1.2rem;
}

@media (max-width: 768px) {
  .section-title { font-size: 1.9rem; }
  .section-padding { padding: 3.5rem 0; }
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 3rem auto;
}

/* Top Utility Header */
.top-bar {
  background: var(--primary-dark);
  color: #94a3b8;
  font-size: 0.875rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.top-contacts {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.top-contacts item, .top-contacts a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #cbd5e1;
  font-weight: 500;
}

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

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

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  border: none;
  background: transparent;
  color: #cbd5e1;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: 0 2px 8px rgba(255, 183, 3, 0.4);
}

/* Main Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 37, 64, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--accent);
  transition: var(--transition);
  padding: 0.8rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  height: 55px;
}

.brand-logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: #f1f5f9;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: white;
  font-size: 1.8rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 183, 3, 0.4);
}

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

.btn-outline:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--primary);
  color: white;
}

.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(6, 24, 38, 0.92) 0%, rgba(10, 37, 64, 0.85) 100%), 
              url('../images/hero-crane-fleet.png') center/cover no-repeat;
  color: white;
  padding: 5rem 0;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--accent) 0%, #ff9800 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  color: #ffffff;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.hero-content h1 span {
  color: var(--accent);
  display: block;
}

.hero-lead {
  font-size: 1.25rem;
  color: #cbd5e1;
  margin-bottom: 2.2rem;
  line-height: 1.7;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
}

.pill-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  color: #f8fafc;
  font-weight: 500;
}

.pill-item i {
  color: var(--accent);
}

.hero-buttons {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

/* Hero Quick Quote Card */
.hero-card {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.hero-card-title {
  color: white;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.75rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  color: #cbd5e1;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid #334155;
  border-radius: var(--radius-sm);
  color: white;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select.form-control option {
  background: var(--dark-card);
  color: white;
}

/* Feature Counters Bar */
.counter-bar {
  background: var(--primary-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 2.5rem 0;
  color: white;
}

.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.counter-item {
  text-align: center;
  padding: 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.counter-item:last-child {
  border-right: none;
}

.counter-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.counter-label {
  color: #94a3b8;
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Service Cards Section */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.service-img-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.service-tag-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary);
  color: var(--accent);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.service-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-body h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.service-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.service-features li i {
  color: #10b981;
}

/* Fleet Catalogue & Filters */
.fleet-filters {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-pill {
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-full);
  background: white;
  border: 1px solid var(--border-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.filter-pill.active, .filter-pill:hover {
  background: var(--primary);
  color: var(--accent);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.fleet-card {
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

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

.fleet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.fleet-title {
  font-size: 1.25rem;
  color: var(--primary);
}

.fleet-type {
  background: #f1f5f9;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.fleet-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.spec-item {
  background: #f8fafc;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
}

.spec-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
}

.spec-value {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
}

/* Calculator Section */
.calc-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: white;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 992px) {
  .calc-grid { grid-template-columns: 1fr; }
}

.calc-result-box {
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed var(--accent);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.calc-result-title {
  color: #94a3b8;
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.calc-result-val {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 1rem;
}

/* Dark Section Background */
.dark-section {
  background-color: var(--dark-surface);
  color: white;
}

.dark-section h2, .dark-section h3 {
  color: white;
}

/* Sector Grid */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.sector-card {
  background: var(--dark-card);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  border: 1px solid var(--border-dark);
  transition: var(--transition);
}

.sector-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  background: rgba(30, 41, 59, 0.9);
}

.sector-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 183, 3, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.sector-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
}

.sector-card p {
  color: #94a3b8;
  font-size: 0.9rem;
}

/* About Spotlight Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; }
}

.director-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #f1f5f9;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: 1.5rem;
}

.director-title {
  font-weight: 800;
  color: var(--primary);
}

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

/* Contact Cards Grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.contact-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 2.2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.contact-icon-box {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

.contact-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.contact-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: #94a3b8;
  padding-top: 4rem;
  border-top: 4px solid var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: white;
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background: var(--accent);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* Floating Quick Action Buttons */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.float-btn {
  width: 55px;
  height: 55px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.6rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-whatsapp { background: #25d366; }
.float-phone { background: var(--primary); color: var(--accent); border: 2px solid var(--accent); }

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(6, 24, 38, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 600px;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
  color: white;
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--accent);
  color: var(--primary-dark);
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .counter-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .counter-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 75px);
    background: var(--primary-dark);
    flex-direction: column;
    padding: 2rem;
    align-items: flex-start;
    transition: var(--transition);
  }
  .nav-menu.active {
    left: 0;
  }
}