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

 :root {
   --bg: #fafafa;
   --card: #ffffff;
   --text: #111827;
   --muted: #4b5563;
   --accent: #0ea5e9;
 }

 body {
   font-family: 'Montserrat', sans-serif;
   

 }

 .navbar {
   display: flex;
   justify-content: space-between;
   align-items: center;
   background: #fff;
   

   padding: 0.5rem 1rem;
   position: relative;
   /* ✅ make navbar a positioning context */
   z-index: 1000;
   /* ✅ ensure navbar stays on top */
 }

   .logo{
    width: 150px;
    display: flex;
    align-items: center;
   }
   .logo img{
    width: 100%;
    height: auto;
    }
 .headingmain{
      font-weight: 900;
      font-size: 2rem;
      color: #648DD1;
    }
    .techclass{
      font-weight: 400;
      font-size: 1rem;
      color: #000;
    }
 .navbar .nav-links {
   display: flex;
   gap: 2rem;
 }

 .navbar .nav-links a {
   color: #000;
   text-decoration: none;
   font-size: 1.2rem;
   transition: color 0.2s;
 }

 .navbar .nav-links a:hover {
   color: #648DD1;
 }

 .navbar .menu-toggle {
   display: none;
   flex-direction: column;
   cursor: pointer;
 }

 .navbar .menu-toggle span {
   height: 3px;
   width: 25px;
   background: #000;
   margin: 4px 0;
   border-radius: 2px;
   transition: 0.3s;
 }

 @media (max-width: 768px) {
   .navbar .nav-links {
     position: absolute;
     top: 60px;
     right: 0;
     background: #fff;
     flex-direction: column;
     width: 150px;
     display: none;
     padding: 1rem;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
   }

   .navbar .nav-links.active {
     display: flex;
   }

   .navbar .menu-toggle {
     display: flex;
   }
 }

 /* services */
 .serv-wrapper {
   max-width: 1200px;
   margin: 0 auto;
 }

 .serv-head {
   text-align: center;
   margin-bottom: 48px
 }

 .serv-head h2 {
   font-size: 32px;
   font-weight: 700
 }



 .serv-grid {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   gap: 32px
 }

 .serv-card {
     background: #a6c4f4;
   border-radius: 12px;
   padding: 32px;
   box-shadow: 0 4px 18px rgba(0, 0, 0, .06);
   text-align: center;
   transition: transform .3s ease
 }

 .serv-card:hover {
   transform: translateY(-4px)
 }

 .serv-icon {
   width: 64px;
   height: 64px;
   margin: 0 auto 20px;
   border-radius: 50%;
   background: var(--accent);
   display: grid;
   place-items: center;
   color: #fff;
   font-size: 28px
 }

 .serv-title {
   font-size: 20px;
   font-weight: 600;
   margin-bottom: 12px
 }

 .serv-desc {
   font-size: 15px;
   color: var(--muted)
 }

 @media (max-width:900px) {
   .serv-grid {
     grid-template-columns: repeat(2, 1fr)
   }
 }

 @media (max-width:640px) {
   .serv-grid {
     grid-template-columns: 1fr
   }
 }

/* our clients */
.clients-section {
      text-align: center;
      padding: 60px 20px;
    }

    .clients-section h2 {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 40px;
      color: #1e1e1e;
    }

    .clients-logos {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 100px; /* space between logos */
      flex-wrap: wrap;
    }

    .clients-logos img {
      max-width: 120px;
      height: auto;
    
      opacity: 0.9;
      transition: all 0.3s ease;
    }

    .clients-logos img:hover {
      filter: grayscale(0%);
      opacity: 1;
      transform: scale(1.05);
    }
/* project */
 .split {
     max-width: 1200px;
     margin: 0 auto;
     display: flex;
     align-items: center;
     gap: 64px
 }

 .split-txt {
     flex: 1;
 }

 .split-title {
     font-size: 2rem;
     font-weight: 700;
     margin-bottom: .5em
 }

 .split-sub {
     font-size: 15px;
     color: var(--muted);
     margin-bottom: 1.5em
 }

 .split-btn {
     display: inline-block;
     background: #76a3eb;
     color: #fff;
     padding: 12px 28px;
     border-radius: 8px;
     font-size: 16px;
     font-weight: 600;
     text-decoration: none;
     transition: background .3s ease
 }

 .split-btn:hover {
     background: #5227df
 }

 .split-img {
     flex: 0 0 45%
 }

 .split-img img {
     width: 100%;
     border-radius: 12px;
 }

 @media (max-width:768px) {
     .split {
         flex-direction: column;
         gap: 32px
     }

     .split-img {
         flex: 1 1 auto;
         width: 100%
     }
 }



 /* footer */
 footer {
   background: #76a3eb;
   padding: 50px 20px 20px;
   color: #ddd;
 }

 .footer-container {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
   gap: 40px;
   max-width: 1200px;
   margin: auto;
 }

 .footer-col h3 {
   font-size: 1.3rem;
   margin-bottom: 15px;
   font-weight: bold;
   color: #fff;
   border-bottom: 1px solid #fff;
   padding-bottom: 10px;
 }

 .footer-col p {
   font-size: 0.8rem;
   line-height: 1.6;
   color: #f9f9f9;
 }

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

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

 .footer-col ul li a {
   text-decoration: none;
   color: #f9f9f9;
   font-size: 14px;
   position: relative;
   transition: 0.3s;
 }

 /* Hover underline animation */
 .footer-col ul li a::after {
   content: "";
   position: absolute;
   width: 0;
   height: 2px;
   bottom: -2px;
   left: 0;
   background: #000;
   transition: width 0.3s ease-in-out;
 }

 .footer-col ul li a:hover {
   color: #000;
 }

 .footer-col ul li a:hover::after {
   width: 100%;
 }

 .contact-info p {
   margin: 10px 0;
   font-size: 14px;
   color: #f9f9f9;
 }

 .social-links {
   margin-top: 15px;
   display: flex;
   gap: 10px;
   /* space between icons */
   flex-wrap: nowrap;
   /* ✅ prevents wrapping */
 }

 .social-links a {
   display: inline-block;
   width: 35px;
   height: 35px;
   margin-right: 10px;
   border-radius: 50%;
   background: #fff;
   display: flex;
   align-items: center;
   justify-content: center;
   color: #648DD1;
   font-size: 16px;
   transition: 0.3s;
 }

 .social-links a:hover {
   background: #648DD1;
 }

 .footer-bottom {
   text-align: center;
   border-top: 1px solid #fff;
   padding: 15px;
   margin-top: 30px;
   font-size: 14px;
   color: #fff;
 }

 /* =============================
   Responsive Footer
   ============================= */

 /* Tablets (≤ 992px) */
 @media (max-width: 992px) {
   .footer-container {
     grid-template-columns: repeat(2, 1fr);
     gap: 30px;
   }

   .footer-col h3 {
     font-size: 16px;
   }

   .footer-col p,
   .footer-col ul li a,
   .contact-info p {
     font-size: 13px;
   }
 }

 /* Mobiles (≤ 600px) */
 @media (max-width: 600px) {
   .footer-container {
     grid-template-columns: 1fr;
     text-align: center;
   }

   .footer-col {
     margin-bottom: 25px;
   }

   .footer-col h3 {
     font-size: 15px;
   }

   .footer-col p {
     font-size: 13px;
     line-height: 1.5;
   }

   .footer-col ul li {
     margin: 8px 0;
   }

   .footer-col ul li a {
     font-size: 13px;
   }

   .contact-info p {
     font-size: 13px;
   }

   .social-links {
     justify-content: center;
   }
 }