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

body{
  font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}


/* Top Bar Design */
.top-bar {
  background: linear-gradient(160deg, #ff8f34dc, #FFAC1C);
  font-size: 14px;
  padding: 15px 0;
  top: 0;
  width: 100%;
  z-index: 9999; /* navbar এর উপরে থাকবে */
   position: fixed;
   border-bottom: 4px solid rgb(248, 154, 14);
}

/* Left side */
.top-left span {
  margin-right: 15px;
}

/* Icons */
.top-bar i {
  margin-right: 5px;
}

/* Right side links */
.top-right a {
  text-decoration: none;
  transition: 0.3s;
  position: relative;
}

/* Hover effect */
.top-right a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  background: #fff;
  left: 0;
  bottom: -2px;
  transition: 0.3s;
}

.top-right a:hover::after {
  width: 100%;
}

.top-right a:hover {
  color: #e0e0e0;
}

/* Mobile */
@media (max-width: 560px) {
  .top-bar{
    display: none;
  }

}

.top-bar.hide {
  transform: translateY(-100%);
}



/* Navbar shift up when top bar hidden */


/* Navbar */

.navbar {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  background-color: rgb(29 65 145);
  transition: all 0.3s ease;
  position: fixed;
  top: 54px; /* 👈 top bar height */
  width: 100%;
  z-index: 9998;


}
  
.navbar.scrolled {
  background-color: rgb(29 65 145);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  top: 0;
}


.logo{
  width: 160px;
  margin-left: -80px;
 
}

.logo img{
  width: 100%;
   border-radius: 3px;
  
}

@media (max-width: 768px) {

  .navbar{
    margin-top: -40px;
    display: inline;
  }

 .logo{
  margin-left: 0;
  margin-top: 10px;

}

}


.navbar-toggler {
    width: 83px;
    height: 57px;
    background: orange;
}



.navbar-nav {
  transition: all .5s;
  margin-left: 180px;
 
}

.navbar-nav .nav-item {
  position: relative;
  border-radius: 5px;
  padding: 0 9px;
  margin: 11px 5px;
}

.navbar-nav .nav-item:hover {
  background-color: #FFAC1C;
  transition: all .5s;
  

}

.navbar-nav .nav-link {
  padding: 5px 15px;
  transition: 0.3s;
  color: #ffffff;
}

.navbar-nav .nav-link:hover {

  color: #FFFFFF;
}



/* Dropdown Animation */
.dropdown-menu {
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-15px) scaleY(0.95);
  /* 👈 উপরে থেকে শুরু */
  transition: all 0.5s ease;
  pointer-events: none;
  transform-origin: top;
  border: none;
  background-color: #fffffffd;
  left: 0;
  margin-top: 1px;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scaleY(1);
  /* 👈 নিচে আসবে */
  pointer-events: auto;
}


.dropdown-item {
  padding: 8px 15px;
  transition: 0.3s;
  border-bottom: 1px #00000036 dotted;

}

.dropdown-item:hover {
  background: #FFAC1C;
  padding-left: 20px;
}

/* Desktop hover */
@media (min-width: 992px) {
  .dropdown-menu {
    display: block;
  }

  .nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    
  }
}

/* Mobile click fix */
@media (max-width: 991px) {

  .navbar-nav .nav-item{
    margin-left: -180px;
  }

  .dropdown-menu {
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-item.show .dropdown-menu {
    display: block;
  }
}


/* Slider height */
/* HERO SECTION */
.hero-section {
  width: 100%;
  overflow: hidden;
 background: linear-gradient(120deg, #ce640e, #055cb9);
  padding: 40px 0;
}

/* SLIDER CONTENT */
.slider-content {
  min-height: 600px;
  display: flex;
  align-items: center;
}

/* TEXT */
.slider-head h1 {
  font-size: 55px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.slider-head .btn {
  border-radius: 40px;
  font-size: 16px;
  font-weight: 600;
}

/* IMAGE */

.slider-image{
 width: 550px;
 height: 350px;
}
.slider-image img {
width: 100%;
 height: 100%;
 
}

/* INDICATORS */
.carousel-indicators [data-bs-target] {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #ffc107;
}

/* =========================
   TABLET RESPONSIVE
========================= */
@media (max-width: 991px) {

  .slider-content {
    min-height: auto;
    padding: 60px 0;
  }

  .slider-head h1 {
    font-size: 40px;
  }

  .slider-image img {
    max-height: 400px;
  }
}

/* =========================
   MOBILE RESPONSIVE
========================= */
@media (max-width: 767px) {

  .hero-section {
    padding-top: 100px;
   
  }

  .slider-content {
    text-align: center;
    padding: 30px 15px;
    justify-content: center;
  }

  .slider-head h1 {
    font-size: 28px;
    line-height: 1.4;
  }

  .slider-head .btn {
    font-size: 14px;
    padding: 10px 25px;
  }

.slider-image{
 width: 350px;
 height: 260px;
}

  .slider-image img {
    max-height: 100%;
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .carousel-indicators {
    bottom: -10px;
  }
}

/* SMALL MOBILE */
@media (max-width: 480px) {

  .slider-head h1 {
    font-size: 22px;
  }

  .slider-image img {
    max-height: 220px;
  }
}


/* Our Brands  */
.our-brand {
  padding: 60px 0;
  background: #f9f9f9;
}

.brand-head h2{
  font-family: sans-serif;
  font-size: 40px;
  font-weight: 600;
  text-transform: uppercase;
  color: #04186e;
}

.brand-head h2::after{
  content: '';
    display: block;
    width: 120px;
    height: 3px;
    background-color: #f1c913;
    border-radius: 25%;
    margin: auto;
    margin-top: 10px;
    margin-bottom: 5px;
}

/* Card */
.brand-card {
  background: #fff;
  padding: 15px;
  border-radius: 10px;
  transition: 0.3s;
  gap: 15px;
  height: 100%;
  
}

.brand-img{
  width: 150px;
  height: 200px;
  
}

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


/* Hover effect */
.brand-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* Image */


/* Content */
.brand-info h5 {
  margin: 0;
  font-size: 18px;
}

.brand-info p {
  margin: 0;
  font-size: 14px;
  color: #666;
  margin-bottom: 50px;
}



/* indutrial section */

.industrial-section {
  padding: 60px 20px;
  background: #dcfeffa1;
}

.main-title {
  text-align: center;
  font-size: 32px;
  margin-bottom: 80px;
  font-weight: bold;
}

.main-title::after {
 content: '';
    display: block;
    width: 120px;
    height: 3px;
    background-color: #f1c913;
    border-radius: 25%;
    margin: auto;
    margin-top: 10px;
    margin-bottom: 5px;
}

.row.item {
  display: flex;
  align-items: center;
  margin-bottom: 40px;
  gap: 30px;
  padding: 20px 0px;
}

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

.col {
  flex: 1;
}

.img img {
  width: 100%;
  border-radius: 10px;
}

.content h3 {
  font-size: 30px;
  margin-bottom: 20px;
  font-family: sans-serif;
  font-weight: 600;
}

.content p {
  color: #070707;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
  .row.item {
    flex-direction: column;
  }

  .row.item.reverse {
    flex-direction: column;
  }
}


/* footer */



.footer-section {
 background-color: rgb(29 65 145);
  color: #ffffff;
  padding-top: 60px;
  position: relative;
}

.footer-flex {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-col {
  flex: 1;
  min-width: 250px;
}

.footer-logo {
  width: 150px;
  margin-bottom: 15px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 15px;
}

.footer-col p {
  font-size: 15px;
  line-height: 1.6;
  color: #FFFFFF;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

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

.footer-col ul li a {
  color: #FFFFFF;
  text-decoration: none;
  transition: 0.3s;
}

.footer-col ul li a:hover {
  color: #d4bf00;
}

/* Social Icons */
.social-icons a {
  display: inline-block;
  margin-right: 10px;
  color: #d47f00;
  font-size: 20px;
  transition: 0.3s;
}

.social-icons a:hover {
  color: #00bcd4;
}



/* Bottom */
.footer-bottom {
  border-top: 2px solid #f565115d;
  margin-top: 30px;
  padding: 15px 0;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .footer-flex {
    flex-direction: column;
  }
}


/* WhatsApp Button */
.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: #fff;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 24px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);

  /* Animation */
  animation: vibrate 3s infinite;
}

/* Hover এ vibration বন্ধ (optional clean UX) */
.whatsapp-btn:hover {
  background: #1ebe5d;
  animation: none;
}

/* Keyframes */
@keyframes vibrate {
  0%   { transform: translateX(0); }
  2%   { transform: translateX(-3px); }
  4%   { transform: translateX(3px); }
  6%   { transform: translateX(-3px); }
  8%   { transform: translateX(3px); }
  10%  { transform: translateX(0); }
  100% { transform: translateX(0); }
}

.whatsapp-btn {
  animation: vibrate 3s infinite, pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(228, 149, 4, 0.7);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(226, 156, 4, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(211, 193, 37, 0.233);
  }
}

/* WhatsApp Button End */


/* return back button */
.back-to-top {
  position: fixed;
  bottom: 80px; /* WhatsApp button এর উপরে রাখার জন্য */
  right: 20px;
  background: #ffa600;
  color: #fff;
  border: none;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  font-size: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: 0.3s;
}

.back-to-top:hover {
  background: #eca304;
}

/* return back button End */


/* Duster page design */
.product-hero {
  padding: 50px 0;
  margin-top: 120px;
}

.price {
  font-size: 20px;
  color: #e67e22;
  font-weight: bold;
}

.spec-list {
  list-style: none;
  padding: 0;
}

.spec-list li {
  padding: 5px 0;
}

.feature-box {
  padding: 20px;
  background: #f8f9fa;
  margin-bottom: 20px;
  border-radius: 8px;
  text-align: center;
}

.features, .specs, .description, .cta {
  padding: 50px 0;
}

.main-img {
  border-radius: 10px;
  transition: 0.3s;
}

.main-img:hover {
  transform: scale(1.05);
}

.thumb {
  width: 70px;
  cursor: pointer;
  border-radius: 6px;
  border: 2px solid #ddd;
}

/* Related Product */
.product-card {
  background: #fff;
  border: 1px solid #eee;
  padding: 15px;
  border-radius: 10px;
  text-align: center;
  transition: 0.3s;
  height: 100%;
}

.product-card img {
  height: 160px;
  object-fit: cover;
  margin-bottom: 10px;
  border-radius: 8px;
}

.product-card h5 {
  font-size: 16px;
  margin-bottom: 5px;
}

.product-card p {
  font-size: 13px;
  color: #777;
}

/* Hover Effect */
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.slider {
  overflow: hidden;
  white-space: nowrap;
  background: #f8f9fa;
  padding: 20px 0;
}

.track {
  display: flex;
  width: max-content;
  animation: scroll 15s linear infinite;
}

.product {
  min-width: 200px;
  margin: 0 10px;
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  border: 1px solid #eee;
}

/* Move from LEFT to RIGHT */
@keyframes scroll {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0%);
  }
}


.product-listing {
  background: #f5f6f7;
  margin-top: 120px;
}

.product-box {
  background: #fff;
  padding: 15px;
  border-radius: 6px;
  transition: 0.3s;
  height: 100%;
}

.product-box img {
  height: 140px;
  object-fit: contain;
}

.product-box h6 {
  font-size: 14px;
  margin-bottom: 10px;
  min-height: 40px;
}

.product-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}




/* service page design */
/* Section Styling */
.service-section {
  color: #e2e8f0;
  padding-top: 150px;
  padding-bottom: 100px;

}

/* Heading */
.service-section h1 {
  font-weight: 700;
  letter-spacing: 1px;
}

/* Service Box */
.service {
  border-radius: 12px;
  padding: 50px 0;
  transition: all 0.3s ease;
  box-shadow: 0 1px 0 rgba(0,0,0,0.4);
}

/* Hover Effect */
.service:hover {
  transform: translateY(-8px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.4);
}

/* Text */
.service-content h3 {
  color: #facc15;
  font-weight: 600;
}

.service-content p {
  line-height: 1.9;
  color: black;
    font-size: 18px;
    margin-bottom: 63px;
}

/* Button */
.brand-info .btn {
  border: 2px solid #facc15;
  color: #facc15;
  transition: 0.3s;
  margin-left: -35px;
  padding: 0;
}

.brand-info .btn:hover {
  background: #facc15;
  color: #FFFFFF;
}

/* Image */
section img {
  border-radius: 10px;
  transition: 0.3s;
}

section img:hover {
  transform: scale(1.05);
}

/* Responsive Fix */
@media (max-width: 768px) {
  section .row {
    text-align: center;
  }
}

/* About US page */


.icon-box{
  width:45px;
  height:45px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}

.mission-card:hover,
.vision-card:hover{
  transform: translateY(-5px);
  transition: 0.3s ease;
}



/* contact Us */

.contact-section {
  padding: 120px 20px;
  text-align: center;
}

.container {
  max-width: 1000px;
  margin: auto;
}

h1 {
  margin-bottom: 10px;
  margin-top: 50px;
}

.contact-box {
  display: flex;
  gap: 30px;
  margin-top: 30px;
  flex-wrap: wrap;
}

form {
  flex: 1;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
}

form input, form textarea {
  width: 100%;
  margin-bottom: 15px;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
}

button {
  background: #007bff;
  color: white;
  padding: 12px;
  border: none;
  width: 100%;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

.info {
  flex: 1;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  text-align: left;
}