* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html{
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  font-weight: 300;
  font-style: normal;
  overflow-x: hidden;
  background-color: #f6f6f6;
}
/* Loader Styles */
.loader {
--dim: 3rem;
width: var(--dim);
height: var(--dim);
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
animation: spin988 2s linear infinite;
z-index: 9999;
}

.loader .circle {
--color: #333;
--dim: 1.2rem;
width: var(--dim);
height: var(--dim);
background-color: var(--color);
border-radius: 50%;
position: absolute;
}

.loader .circle:nth-child(1) {
top: 0;
left: 0;
}

.loader .circle:nth-child(2) {
top: 0;
right: 0;
}

.loader .circle:nth-child(3) {
bottom: 0;
left: 0;
}

.loader .circle:nth-child(4) {
bottom: 0;
right: 0;
}

@keyframes spin988 {
0% {
  transform: scale(1) rotate(0);
}
20%, 25% {
  transform: scale(1.3) rotate(90deg);
}
45%, 50% {
  transform: scale(1) rotate(180deg);
}
70%, 75% {
  transform: scale(1.3) rotate(270deg);
}
95%, 100% {
  transform: scale(1) rotate(360deg);
}
}

/* Hide the content initially */
#pageContent {
display: block;
}

/* Navbar styling */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #ffffff;
  padding: 1rem;
  top: 0;
  position: sticky;
  z-index: 1000;
}

.brand-title {
  color: black;
  font-size: 1.5rem;
}

.toggle-button {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  height: 24px;
  cursor: pointer;
  z-index: 3;
}

.bar {
  width: 30px;
  height: 3px;
  background-color: black;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.top-bar {
  width: 30px;
}

.middle-bar {
  width: 25px;
}

.bottom-bar {
  width: 20px;
}

/* For wide screens - show the nav-links inline */
.nav-links {
  display: flex;
  align-items: center;
}

.nav-links ul {
  list-style: none;
  display: flex;
}

.nav-links li {
  margin: 0 1rem;
  position: relative; /* Needed for dropdown positioning */
}

.nav-links a {
  color: black;
  text-decoration: none;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #f0a500;
}

/* Dropdown menu for the Services link */
.services-link .dropdown {
  display: none;
  position: absolute;
  background-color: #ffffff;
  font-size: small;
  width: max-content;
  list-style: none;
  padding: 0;
  margin: 0;
  top: 100%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.services-link:hover .dropdown {
  display: block;
}

.dropdown li {
  margin: 0;
}

.dropdown a {
  color: black;
  padding: 0.5rem 1rem;
  display: block;
  text-decoration: none;
  font-size: 1rem;
}

/* Mobile sidebar */
.side-menu {
  position: fixed;
  top: 0;
  left: -250px; /* Initial hidden position */
  height: 100%;
  width: 250px;
  background-color: #333;
  transition: left 0.3s ease; /* Smooth slide-in effect */
  padding-top: 60px;
  z-index: 1000;
  overflow-y: auto; /* Allow scrolling for entire sidebar */
}

.side-menu.active {
  left: 0; /* Sidebar in view when active */
  max-height: 100vh; /* Restrict height to viewport to enable scrolling */
}

.side-menu ul {
  list-style: none;
  padding-left: 0;
}

.side-menu li {
  padding: 15px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.side-menu a {
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  display: block;
}

/* Side menu dropdown for services link with animation and scrollable content */
.side-services-link .side-dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease; /* Smooth slide-down effect */
  list-style: none;
  padding: 0;
  margin-top: 10px;
  background-color: #444;
}

.side-services-link.active .side-dropdown {
  max-height: 200px; /* Set a specific height to enable scrolling */
  overflow-y: auto; /* Allow scrolling within the dropdown */
}

.side-dropdown li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.side-dropdown a {
  color: white;
  padding: 10px 20px;
  display: block;
  text-decoration: none;
}

.side-dropdown a:hover {
  background-color: #555;
}

/* Overlay for background when side menu is open */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Animation when menu is clicked */
.toggle-button.active .top-bar {
  transform: rotate(45deg) translate(5px, 5px);
}

.toggle-button.active .middle-bar {
  opacity: 0;
}

.toggle-button.active .bottom-bar {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* On mobile screens, hide the nav-links and show side menu */
@media (max-width: 768px) {
  .toggle-button {
      display: flex;
  }

  .nav-links {
      display: none;
  }

  .side-menu {
      display: block;
  }
}

/* On wide screens, hide the side menu and display nav-links inline */
@media (min-width: 769px) {
  .nav-links {
      display: flex;
  }

  .side-menu,
  .overlay {
      display: none;
  }
}

/* Hero section styling */
.hero-section {
  position: relative;
  width: 100%;
  height: 70vh; /* Adjust height as needed */
  background-image: url('images/hero_image3.jpeg'); /* Replace with your image path */
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
}

/* Overlay styling */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6); /* Adjust overlay color and opacity as needed */
}

/* Text content styling */
.hero-content {
  position: relative;
  z-index: 1;
  font-family: Arial, sans-serif;
  padding: 20px;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: bold;
  letter-spacing: 3px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-section {
    height: 60vh;
  }

  .hero-content h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.5rem;
  }
}

/* Services Heading */
.services-heading {
  text-align: center;
  padding: 2rem 1rem;
  background-color: #004080;
}

.services-heading h1 {
  font-size: 2.5rem;
  color: #ffffff;
}

/* Energy Services Section */
.energy-services {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  background-color: #004080;
  color: #fff;
  padding: 2rem;
  margin: 0; /* Removes margin */
}

.image-container {
  flex: 1;
}

.image-container img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-top-left-radius: 90px;
  border-bottom-right-radius: 90px;
}

.content-container {
  flex: 1;
  padding: 2rem;
}

.content-container h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

.content-container p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.read-more {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #0051ff;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.read-more:hover {
  background-color: #0051ffe0;
}

/* Responsive Design for Energy Services Section */
@media (max-width: 768px) {
  .services-heading h1 {
    font-size: 2rem;
  }

  .energy-services {
    flex-direction: column;
  }

  .image-container img {
    border-radius: 10px 10px 0 0;
  }

  .content-container {
    padding: 1rem;
  }

  .content-container h2 {
    font-size: 1.5rem;
  }

  .content-container p {
    font-size: 0.9rem;
  }
}

/* Energy Services Section 2 */
.energy-services-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: white;
  color: black;
  padding: 2rem;
  margin: 0; /* Removes margin */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.energy-services-content {
  flex: 1;
  padding: 1.5rem;
}

.energy-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: black;
}

.energy-description {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: black;
}

.energy-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color:#0051ff;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.energy-button:hover {
  background-color: #0051ffe0;
}

.energy-image {
  flex: 1;
}

.energy-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-top-left-radius: 90px;
  border-bottom-right-radius: 90px;
}

/* Responsive Design for Energy Services Section 2 */
@media (max-width: 768px) {
  .energy-services-section {
    flex-direction: column;
  }

  .energy-image img {
    border-radius: 10px 10px 0 0;
  }

  .energy-services-content {
    padding: 1rem;
    text-align: center;
  }

  .energy-title {
    font-size: 1.5rem;
  }

  .energy-description {
    font-size: 0.9rem;
  }
}

/* Reset Margins for Headings and Paragraphs */
.energy-services h2,
.energy-services p,
.energy-services-section h2,
.energy-services-section p {
  margin: 0; /* Removes margins for headings and paragraphs */
}










    /* Overall product gallery container */
.product_gallery {
  background-color: #004080;
  width: 100%;
  padding: 20px 0;
}

/* Heading styling */
.product_gallery h1 {
  font-size: 2.5em;
  color: white;
  text-align: center;
  margin-bottom: 30px;
  font-weight: 600;
}

/* Masonry gallery styling */
.gallery {
  column-count: 3; /* Increase column count to make images smaller */
  column-gap: 10px; /* Reduced gap between columns */
  max-width: 1000px; /* Set smaller max-width to contain images */
  margin: 0 auto;
}

/* Image styling */
.gallery img {
  width: 100%;
  margin-bottom: 10px; /* Reduced bottom margin for closer spacing */
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

/* Hover effect for images */
.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0px 6px 12px rgba(0, 0, 0, 0.3);
}

/* Modal styling */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  justify-content: center;
  align-items: center;
  z-index: 10;
  animation: fadeIn 0.5s;
}

/* Fade-in animation for modal */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal img {
  max-width: 100%;
  max-height: 90%;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

/* Navigation and close buttons */
.modal .nav-btn, .close-btn {
  position: absolute;
  color: #fff;
  font-size: 2em;
  cursor: pointer;
  user-select: none;
}

.close-btn {
  top: 20px;
  right: 30px;
}

.nav-btn:hover, .close-btn:hover {
  color: #ddd;
}

.prev-btn {
  left: 5%;
  top: 50%;
  transform: translateY(-50%);
}

.next-btn {
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .gallery {
      column-count: 3; /* Adjust column count for smaller screens */
  }
}

@media (max-width: 500px) {
  .gallery {
      column-count: 2; /* Further adjust column count for very small screens */
  }
}


/* Section Styling */
.custom-course-section {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 70vh;
  background: url('images/hero\ _image1.jpg') no-repeat center center/cover;
  color: #ffffff;
  padding: 0 20px;
  position: relative;
}

/* Background Overlay */
.custom-course-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

/* Content Styling */
.course-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.course-content h2 {
  font-size: 2.5em;
  margin-bottom: 1em;
}

.course-content .course-description {
  font-size: 1.2em;
  margin-bottom: 1.5em;
}

.course-content .cta-button {
  padding: 12px 24px;
  background-color:#0051ff;
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  display: inline-block;
}

.course-content .cta-button:hover {
  background-color: #0051ffe0;
}

/* Responsive Styling */
@media (max-width: 768px) {
  .course-content h2 {
    font-size: 2em;
  }
  .course-content .course-description {
    font-size: 1em;
  }
  .course-content .cta-button {
    padding: 10px 20px;
  }
}

/* footer */
.footer {
  background-color: #0D3973;
  color: #fff;
  padding: 40px 20px;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-col {
  flex: 1;
  margin: 20px;
}
.footer-col a{
  text-decoration: none;
  color: white;
}

.footer-col h3 {
  font-size: 18px;
  margin-bottom: 15px;
  font-weight: bold;
}

.footer-col p,
.footer-col ul {
  font-size: 14px;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li a {
  color: #fff;
  text-decoration: none;
}

.footer-col ul li a:hover {
  text-decoration: underline;
}

.footer-logo {
  width: 120px;
  margin-bottom: 10px;
}

.social-icons a img {
  width: 20px;
  margin-right: 10px;
  transition: transform 0.3s;
}

.social-icons a img:hover {
  transform: scale(1.1);
}

.footer-bottom {
  text-align: center;
  margin-top: 30px;
}

.footer-bottom p {
  font-size: 14px;
  margin: 5px 0;
}

.footer-bottom a{
  text-decoration: none;
  color: black;
  font-weight: bolder;

}

/* Responsive Styles */
@media (max-width: 768px) {
  .footer-container {
      flex-direction: column;
      align-items: center;
      text-align: center;
  }

  .footer-col {
      margin: 10px 0;
  }

  .social-icons {
    margin-top: 10px;
    justify-content: center;
  }
}

  /* back to top  */
#scrollToTopBtn {
  display: none; 
  position: fixed; 
  bottom: 20px; 
  right: 30px;
  z-index: 99; 
  border: none; 
  outline: none; 
  background-color: #555; 
  color: white; 
  cursor: pointer; 
  padding: 10px; 
  border-radius: 10px; 
  font-size: 18px; 
  transition: background-color 0.3s ease, transform 0.3s ease; /* Smooth transitions */
}

#scrollToTopBtn:hover {
  background-color: #333; 
  transform: scale(1.1); 
}