/* ==========================================================================
   Vasu Utility Projects Pvt. Ltd. - Design System & Custom Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --primary: #0b192c;
  --primary-light: #1e3e62;
  --primary-dark: #070f1b;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-light: #fef3c7;
  
  --secondary: #2563eb;
  --secondary-hover: #1d4ed8;

  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.35);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

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

.bg-dark-surface {
  background-color: var(--primary);
  color: #ffffff;
}

.bg-dark-surface h2, 
.bg-dark-surface h3, 
.bg-dark-surface h4 {
  color: #ffffff;
}

/* Section Titles */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 0.5rem;
  background: rgba(245, 158, 11, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--accent);
  margin: 0.75rem auto 0 auto;
  border-radius: 2px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline-white {
  background-color: transparent;
  border-color: #ffffff;
  color: #ffffff;
}

.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

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

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   3. Topbar & Header Navigation
   -------------------------------------------------------------------------- */
.topbar {
  background-color: var(--primary-dark);
  color: var(--text-light);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.topbar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

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

.topbar-item a {
  color: var(--text-light);
}

.topbar-item a:hover {
  color: #ffffff;
}

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

.brochure-link {
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brochure-link:hover {
  color: #ffffff;
}

/* Main Navbar */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

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

.navbar-brand img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

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

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.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: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   4. Hero Slider Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  height: 85vh;
  min-height: 550px;
  max-height: 750px;
  background-color: var(--primary-dark);
  overflow: hidden;
}

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

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  background-size: cover;
  background-position: center;
}

.slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(7, 15, 27, 0.88) 0%, rgba(11, 25, 44, 0.72) 100%);
}

.slide-content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #ffffff;
  max-width: 800px;
}

.slide-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--accent);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  width: fit-content;
}

.slide-title {
  font-size: 3.25rem;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.slide-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.slide-btns {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(4px);
}

.slider-arrow:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.slider-arrow.prev { left: 2rem; }
.slider-arrow.next { right: 2rem; }

.slider-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dot.active {
  width: 32px;
  border-radius: 6px;
  background: var(--accent);
}

/* --------------------------------------------------------------------------
   5. Key Stats Counter Section
   -------------------------------------------------------------------------- */
.stats-section {
  position: relative;
  z-index: 30;
  margin-top: -3.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.stat-item {
  padding: 2.25rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--border-color);
  position: relative;
  transition: transform var(--transition-fast);
}

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

.stat-item:hover {
  background-color: var(--bg-light);
}

.stat-icon {
  font-size: 2.25rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   6. About Us Section
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-img-main {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}

.about-badge-card {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--primary);
  color: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border-left: 5px solid var(--accent);
  max-width: 260px;
}

.about-badge-card h4 {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.about-badge-card p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* About Us Interactive Cards & Hovers */
.about-sidebar-card {
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.about-sidebar-card.card-accreditation {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.about-sidebar-card.card-philosophy {
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
}

.about-sidebar-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.about-milestone-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.about-milestone-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.about-content h2 {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.025rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.75rem 0 2rem 0;
}

.feature-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.feature-check i {
  color: var(--accent);
  font-size: 1.1rem;
  margin-top: 0.2rem;
}

.feature-check span {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   7. Services Showcase Section
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  position: relative;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(245, 158, 11, 0.4);
}

.service-img-wrap {
  position: relative;
  height: 210px;
  overflow: hidden;
}

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

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

.service-icon-floating {
  position: absolute;
  top: 185px;
  right: 1.5rem;
  width: 50px;
  height: 50px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  border: 3px solid #ffffff;
  z-index: 2;
  transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.service-card:hover .service-icon-floating {
  transform: translateY(-4px) scale(1.06);
}

.service-body {
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-body h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-body p {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-body ul {
  margin-bottom: 1.5rem;
}

.service-body ul li {
  font-size: 0.875rem;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-body ul li i {
  color: var(--accent);
  font-size: 0.75rem;
}

.service-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: auto;
}

.service-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;

}

.service-link:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   8. Projects & Photo Gallery Section
   -------------------------------------------------------------------------- */
.gallery-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, 
.filter-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 260px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

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

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(11, 25, 44, 0.9) 0%, rgba(11, 25, 44, 0.2) 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: #ffffff;
}

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

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.gallery-title {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.gallery-zoom-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   8b. Products Showcase & Hover Overlay
   -------------------------------------------------------------------------- */
.product-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.product-filter-btn {
  padding: 0.6rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.product-filter-btn:hover,
.product-filter-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
  transform: translateY(-2px);
}

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

.product-card {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  height: 330px;
  cursor: pointer;
}

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

.product-card .product-img-box {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: #f8fafc;
}

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

.product-card:hover .product-img-box img {
  transform: scale(1.12);
}

/* Hover Overlay: hidden by default, pops up on hover */
.product-card .product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(11, 25, 44, 0.15) 0%, rgba(11, 25, 44, 0.75) 50%, rgba(11, 25, 44, 0.96) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  color: #ffffff;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  z-index: 3;
}

.product-card:hover .product-overlay {
  opacity: 1;
  visibility: visible;
}

.product-overlay-content {
  transform: translateY(20px);
  transition: transform 0.35s ease;
}

.product-card:hover .product-overlay-content {
  transform: translateY(0);
}

.product-tag {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  width: fit-content;
}

.product-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.4rem;
  line-height: 1.35;
  font-family: var(--font-heading);
}

.product-desc-short {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.85rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-btn-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.product-inquiry-btn {
  background: var(--accent);
  color: #ffffff;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.product-inquiry-btn:hover {
  background: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
}

.product-zoom-btn {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.9rem;
  backdrop-filter: blur(4px);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.product-zoom-btn:hover {
  background: #ffffff;
  color: var(--primary);
}

.product-badge-corner {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(11, 25, 44, 0.75);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: opacity 0.25s ease;
}

.product-card:hover .product-badge-corner {
  opacity: 0;
}

/* --------------------------------------------------------------------------
   9. Quality & Engineering Standards
   -------------------------------------------------------------------------- */
.quality-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  color: #ffffff;
  box-shadow: var(--shadow-xl);
}

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

.quality-content h2 {
  color: #ffffff;
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.quality-content p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.75rem;
  font-size: 1.05rem;
}

.quality-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.q-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  backdrop-filter: blur(4px);
}

.q-card i {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.q-card h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.q-card p {
  font-size: 0.825rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   10. Esteemed Clients Marquee Section
   -------------------------------------------------------------------------- */
.clients-marquee-wrap {
  overflow: hidden;
  position: relative;
  padding: 1rem 0;
}

.clients-track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.clients-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.client-logo-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  width: 150px;
  height: 75px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.client-logo-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.client-logo-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter var(--transition-fast);
}

.client-logo-card:hover img {
  filter: grayscale(0%);
}

/* --------------------------------------------------------------------------
   11. Contact & Get a Quote Section
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-card {
  background-color: var(--primary);
  color: #ffffff;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
  color: #ffffff;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.contact-info-card p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-detail-content h5 {
  color: var(--accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.2rem;
}

.contact-detail-content p, 
.contact-detail-content a {
  color: #ffffff;
  font-size: 0.95rem;
  margin-bottom: 0;
}

.quote-form-card {
  background-color: #ffffff;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.quote-form-card h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.quote-form-card p {
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
  color: var(--primary);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-light);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

/* --------------------------------------------------------------------------
   12. Floating Action Buttons (WhatsApp & Quick Call)
   -------------------------------------------------------------------------- */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.4rem;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast);
}

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

.float-whatsapp {
  background-color: #25d366;
}

.float-call {
  background-color: var(--primary-light);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 990;
}

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

.back-to-top:hover {
  background: var(--accent);
}

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
footer {
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-col h4 {
  color: #ffffff;
  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: 2px;
  background-color: var(--accent);
}

.footer-about p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-fast);
}

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

.footer-links a i {
  font-size: 0.75rem;
  color: var(--accent);
}

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   14. Lightbox Modal & Inquiry Confirmation Modal
   -------------------------------------------------------------------------- */
.modal,
.quote-modal,
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 15, 27, 0.85);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  padding: 1.5rem;
}

.modal.active,
.quote-modal.active,
.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content,
.quote-modal-content {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content,
.quote-modal.active .quote-modal-content,
.lightbox-modal.active .lightbox-content {
  transform: translateY(0);
}

.modal-close,
.quote-modal-close,
.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  z-index: 10;
}

.modal-close:hover,
.quote-modal-close:hover,
.lightbox-close:hover {
  color: var(--primary);
}

.modal-body {
  text-align: center;
}

.modal-icon {
  font-size: 3.5rem;
  color: #22c55e;
  margin-bottom: 1rem;
}

/* Lightbox specific */
.lightbox-content {
  max-width: 900px;
  background: transparent;
  padding: 0;
  box-shadow: none;
}

.lightbox-img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

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

.milestones-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

/* --------------------------------------------------------------------------
   14b. Client Roster Showcase Styling
   -------------------------------------------------------------------------- */
.client-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.client-filter-btn {
  padding: 0.6rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.client-filter-btn:hover,
.client-filter-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
  transform: translateY(-2px);
}

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

.client-roster-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.client-roster-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(245, 158, 11, 0.3);
}

.client-card-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.client-logo-box {
  width: 140px;
  height: 75px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  flex-shrink: 0;
}

.client-logo-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.client-info-box {
  flex-grow: 1;
}

.client-name-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.client-loc-badge {
  font-size: 0.825rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.client-card-body {
  margin-bottom: 0.75rem;
  flex-grow: 1;
}

.client-scope-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.client-scope-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.client-status-tag {
  align-self: flex-end;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.status-execution {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-completed {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-esteemed {
  background: rgba(37, 99, 235, 0.12);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

/* --------------------------------------------------------------------------
   15. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-section {
    height: 70vh;
    min-height: 480px;
  }
  
  .slide-title {
    font-size: 2.5rem;
  }

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

  .stat-item {
    border-bottom: 1px solid var(--border-color);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .services-grid, 
  .gallery-grid,
  .product-grid,
  .client-roster-grid,
  .sectors-grid,
  .milestones-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid, 
  .quality-grid, 
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

@media (max-width: 768px) {
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
  }

  body {
    padding-top: 68px; /* Pushes content down to offset fixed navbar height on mobile */
  }

  .topbar {
    display: none; /* Hide topbar on small mobile */
  }

  .navbar-brand img {
    height: 40px;
  }

  .brand-name {
    font-size: 1.15rem;
  }

  .brand-tagline {
    font-size: 0.6rem;
  }

  .navbar .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .nav-actions {
    gap: 0.75rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: #ffffff;
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }

  @media (max-width: 576px) {
    .navbar .nav-actions .btn {
      display: none;
    }
    .brand-tagline {
      display: none; /* Hide tagline on mobile to keep header clean and prevent vertical stretching */
    }
    .brand-name {
      font-size: 1.1rem;
    }
    .navbar-brand img {
      height: 36px;
    }
  }

  .slide-title {
    font-size: 2rem;
  }

  .slide-desc {
    font-size: 0.95rem;
  }

  .slider-arrow {
    display: none;
  }

  .services-grid, 
  .gallery-grid,
  .product-grid,
  .client-roster-grid,
  .sectors-grid,
  .milestones-grid {
    grid-template-columns: 1fr;
  }

  .stats-section {
    margin-top: 1.5rem;
  }

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

  .stat-item {
    padding: 1.25rem 1rem;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
  }

  .stat-item:nth-child(2n) {
    border-right: none;
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-bottom: none;
  }

  .stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
  }

  .stat-number {
    font-size: 1.75rem;
    margin-bottom: 0.15rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .about-features, 
  .quality-cards-grid, 
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

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

@media (max-width: 480px) {
  .client-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
  }
  .client-logo-box {
    width: 100%;
    max-width: 180px;
    height: 80px;
  }
  .client-status-tag {
    position: static;
    align-self: flex-start;
    margin-bottom: 0.75rem;
  }

  .about-badge-card {
    padding: 0.75rem 1rem;
    max-width: 200px;
    bottom: -1rem;
    right: 0.5rem;
  }

  .about-badge-card h4 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
  }

  .about-badge-card p {
    font-size: 0.75rem;
  }
}

/* --------------------------------------------------------------------------
   16. Premium Media Gallery Section & Animations
   -------------------------------------------------------------------------- */
@keyframes animatedBackground {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.premium-gallery-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(-45deg, #090e1a, #131c33, #0a1020, #1b264f);
  background-size: 400% 400%;
  animation: animatedBackground 18s ease infinite;
  padding: 5rem 0;
  color: #ffffff;
}

.premium-gallery-section .filter-btn {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
}

.premium-gallery-section .filter-btn:hover,
.premium-gallery-section .filter-btn.active {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--primary);
}

.gallery-bg-waves {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 20% 30%, rgba(245, 158, 11, 0.06) 0%, transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

.premium-gallery-section .container {
  position: relative;
  z-index: 5;
}

.premium-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-item-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(10px);
}

.gallery-item-inner {
  position: relative;
  width: 100%;
  padding-bottom: 65%; /* 16:10 aspect ratio */
  overflow: hidden;
}

.gallery-item-inner img,
.gallery-item-inner video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
  text-align: center;
  z-index: 2;
}

.gallery-item-overlay i {
  font-size: 2.25rem;
  color: var(--accent);
  transform: translateY(15px);
  transition: transform 0.3s ease;
}

.gallery-item-overlay span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
  transform: translateY(15px);
  transition: transform 0.3s ease 0.05s;
}

/* Hover Effects */
.gallery-item-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
  border-color: rgba(245, 158, 11, 0.4);
}

.gallery-item-card:hover .gallery-item-inner img,
.gallery-item-card:hover .gallery-item-inner video {
  transform: scale(1.1);
}

.gallery-item-card:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-card:hover .gallery-item-overlay i,
.gallery-item-card:hover .gallery-item-overlay span {
  transform: translateY(0);
}

/* Lightbox Modal styling */
.gallery-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(3, 7, 18, 0.95);
  backdrop-filter: blur(8px);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 2.5rem;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 3.5rem;
  font-weight: 300;
  cursor: pointer;
  transition: color 0.2s ease;
  line-height: 1;
  z-index: 100000;
}

.lightbox-close-btn:hover {
  color: var(--accent);
}

.lightbox-content-box {
  position: relative;
  width: 100%;
  max-width: 960px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-media {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .premium-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .premium-gallery-grid {
    grid-template-columns: 1fr;
  }
  .lightbox-close-btn {
    right: 1.5rem;
    top: 1rem;
    font-size: 2.75rem;
  }
}