:root {
   --primary: #0a84ff;
   --dark: #111;
   --light: #f9f9f9;
   --gray: #ccc;
 }

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

 body {
   font-family: 'Inter', sans-serif;
   background: var(--light);
   color: var(--dark);
   line-height: 1.6;
 }

 a {
   text-decoration: none;
   color: inherit;
 }

 .container {
   max-width: 1200px;
   margin: auto;
   padding: 0 1.5rem;
 }

 header {
   background: #fff;
   box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
   position: sticky;
   top: 0;
   z-index: 1000;
 }

 .header-inner {
   display: flex;
   justify-content: space-between;
   align-items: center;
   padding: 1rem 0;
 }

 .logo img {
   height: 40px;
   border-radius: 5px;
 }

 nav ul {
   display: flex;
   gap: 2rem;
   list-style: none;
 }

 nav a {
   font-weight: 600;
   transition: color 0.3s;
 }

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

 footer {
   background: var(--dark);
   color: #eee;
   padding: 2.5rem 1rem 1.5rem;
 }

 footer .container {
   display: flex;
   flex-wrap: wrap;
   gap: 2rem;
   justify-content: space-between;
 }

 footer h3,
 footer h4 {
   color: #fff;
   margin-bottom: 1rem;
 }

 footer a {
   color: var(--gray);
   font-size: 0.95rem;
 }

 footer a:hover {
   color: var(--primary);
 }

 .social-icons a img {
   filter: invert(1);
 }

 .footer-bottom {
   text-align: center;
   margin-top: 2rem;
   font-size: 0.85rem;
   color: #aaa;
 }


 .banner {
   height: 500px;
   background: url('../images/hero.jpg') center/cover no-repeat;
   display: flex;
   align-items: center;
   justify-content: center;
   color: #fff;
   position: relative;
   text-align: center;
 }

 .banner::after {
   content: "";
   position: absolute;
   inset: 0;
   background: rgba(0, 0, 0, 0.5);
 }

 .banner-text {
   position: relative;
   z-index: 1;
   font-size: 2.8rem;
   font-weight: 800;
   max-width: 750px;
   padding: 0 1rem;
 }

 .section-title {
   text-align: center;
   font-size: 2.2rem;
   margin: 4rem 0 2rem;
 }

 .services-section {
   padding: 4rem 1rem;
 }

 .section-heading {
   text-align: center;
   font-size: 2rem;
   margin-bottom: 3rem;
 }

 .service-row {
   display: flex;
   align-items: center;
   gap: 2rem;
   margin-bottom: 3rem;
   flex-wrap: wrap;
 }

 .service-row.reverse {
   flex-direction: row-reverse;
 }

 .service-image {
   flex: 1;
   min-width: 280px;
 }

 .service-image img {
   width: 100%;
   height: 250px;
   object-fit: cover;
   border-radius: 12px;
 }


 .service-content {
   flex: 1;
   min-width: 280px;
 }

 .service-content h3 {
   font-size: 1.5rem;
   margin-bottom: 0.75rem;
 }

 .service-content p {
   font-size: 1rem;
   color: #333;
   line-height: 1.6;
 }

 .video-section {
   text-align: center;
   padding: 4rem 1rem;
   background: #000;
 }

 .video-section h2 {
   color: #fff;
   font-size: 2rem;
   margin-bottom: 2rem;
 }

 .video-section video {
   max-width: 100%;
   border-radius: 12px;
   border: 5px solid #fff;
 }


 .about-banner {
   height: 500px;
   background: url('../images/about.jpg') center/cover no-repeat;
   display: flex;
   align-items: center;
   justify-content: center;
   color: #fff;
   position: relative;
   text-align: center;
 }

 .about-banner::after {
   content: "";
   position: absolute;
   inset: 0;
   background: rgba(0, 0, 0, 0.5);
 }

 .about-banner-text {
   position: relative;
   z-index: 1;
   font-size: 2.2rem;
   font-weight: 800;
   padding: 0 1rem;
 }

 .about-section {
   padding: 4rem 1rem;
 }

 .about-section h2 {
   font-size: 2rem;
   margin-bottom: 1rem;
 }

 .about-section p {
   margin-bottom: 1.5rem;
   font-size: 1rem;
   color: #333;
 }

 .highlight-box {
   background: #fff;
   border-left: 5px solid var(--primary);
   padding: 1rem 1.5rem;
   margin: 2rem 0;
   border-radius: 8px;
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
 }

 .contact-hero {
   height: 500px;
   background: url('../images/contact.jpg') center/cover no-repeat;
   display: flex;
   align-items: center;
   justify-content: center;
   color: #fff;
   position: relative;
   text-align: center;
 }

 .contact-hero::after {
   content: "";
   position: absolute;
   inset: 0;
   background: rgba(0, 0, 0, 0.6);
 }

 .contact-hero h1 {
   position: relative;
   z-index: 1;
   font-size: 2.5rem;
   font-weight: 800;
 }

 .contact-section {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
   gap: 2rem;
   padding: 4rem 0;
 }

 .contact-details {
   background: #fff;
   padding: 2rem;
   border-radius: 12px;
   box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
 }

 .contact-details h2 {
   font-size: 1.8rem;
   margin-bottom: 1rem;
 }

 .contact-details p {
   margin-bottom: 1rem;
 }

 .contact-details a {
   color: var(--primary);
 }

 .contact-form {
   background: #fff;
   padding: 2rem;
   border-radius: 12px;
   box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
 }

 .contact-form h2 {
   font-size: 1.8rem;
   margin-bottom: 1rem;
 }

 .contact-form form {
   display: flex;
   flex-direction: column;
   gap: 1rem;
 }

 .contact-form input,
 .contact-form textarea {
   padding: 0.8rem 1rem;
   border: 1px solid var(--gray);
   border-radius: 8px;
   font-size: 1rem;
   resize: vertical;
 }

 .contact-form button {
   padding: 0.8rem 1rem;
   background: var(--primary);
   color: #fff;
   border: none;
   border-radius: 8px;
   cursor: pointer;
   font-weight: 600;
   transition: background 0.3s;
 }

 .contact-form button:hover {
   background: #006edc;
 }

 /* Desktop navigation */
 nav ul.nav-links {
   display: flex;
   gap: 2rem;
   list-style: none;
   margin: 0;
   padding: 0;
 }

 /* Hamburger button hidden on desktop */
 .nav-toggle {
   display: none;
   background: none;
   border: none;
   font-size: 2rem;
   cursor: pointer;
   color: var(--dark);
   padding: 0.25rem 0.5rem;
   transition: color 0.3s ease;
   user-select: none;
 }

 /* Show hamburger button on tablets and smaller screens */
 @media (max-width: 768px) {
   .nav-toggle {
     display: block;
   }
 }

 /* Hover and focus states for accessibility */
 .nav-toggle:hover,
 .nav-toggle:focus {
   color: var(--primary);
   outline: none;
 }

 /* Mobile navigation styles */
 @media (max-width: 768px) {
   nav ul.nav-links {
     display: none;
     /* Hide by default on mobile */
     position: absolute;
     top: 60px;
     /* Adjust based on your header height */
     right: 0;
     background: #fff;
     width: 200px;
     flex-direction: column;
     gap: 0;
     border: 1px solid var(--gray);
     border-radius: 8px;
     box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
     padding: 1rem 0;
     z-index: 1001;
   }

   /* Show menu when toggled */
   nav ul.nav-links.show {
     display: flex;
   }

   nav ul.nav-links li {
     padding: 0.75rem 1.5rem;
   }

   nav ul.nav-links li a {
     display: block;
   }
 }

 /* Small devices (phones, less than 600px) */
 @media (max-width: 599px) {
   .header-inner {
     flex-direction: row;
     align-items: flex-start;
     gap: 1rem;
     padding: 1rem;
   }

   nav ul {
     flex-direction: column;
     gap: 1rem;
     width: 100%;
   }

   nav ul li {
     width: 100%;
   }

   nav a {
     display: block;
     width: 100%;
     padding: 0.5rem 0;
   }

   .banner,
   .about-banner,
   .contact-hero {
     height: 300px;
   }

   .banner-text,
   .about-banner-text,
   .contact-hero h1 {
     font-size: 1.8rem;
     padding: 0 1rem;
   }

   .services {
     grid-template-columns: 1fr;
     /* Single column on very small */
   }

   .contact-section {
     grid-template-columns: 1fr;
     /* Stack contact details and form */
     padding: 2rem 1rem;
   }

   .contact-hero {
     height: 300px;
   }

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

 /* Medium devices (tablets, 600px to 899px) */
 @media (min-width: 600px) and (max-width: 899px) {
   .header-inner {
     flex-wrap: wrap;
     gap: 1rem;
     padding: 1rem 1.5rem;
   }

   nav ul {
     flex-wrap: wrap;
     gap: 1rem;
   }

   .banner,
   .about-banner,
   .contact-hero {
     height: 400px;
   }

   .banner-text,
   .about-banner-text,
   .contact-hero h1 {
     font-size: 2.2rem;
   }

   .services {
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
   }

   .contact-section {
     grid-template-columns: repeat(2, 1fr);
     padding: 3rem 1.5rem;
   }
 }

 /* Large devices (desktops, 900px and above) */
 @media (min-width: 900px) {
   .header-inner {
     padding: 1rem 3rem;
   }

   .banner,
   .about-banner,
   .contact-hero {
     height: 500px;
   }

   .banner-text,
   .about-banner-text,
   .contact-hero h1 {
     font-size: 2.8rem;
   }
 }