* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
}

body {
  background-color: white;
  color:#151A28;
  line-height: 1.6;
}


.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background-color: #151A28;
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.8rem;
  font-weight: 500;
  margin-left: 3px;
}

.logo2 {
  color: #007acb;
}

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

.nav-links li {
margin-left: 3rem;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.3s ease;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
 
}

.nav-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: 0.7s;
  color: #007ffe;
}

.nav-link.active {
  color: #034e68;
}


.burger {
  display: none;
  cursor: pointer;
  margin-right: 10px;
  padding: 5px;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: white;
  margin: 5px;
  transition: all 0.3s ease;
}

.content {
  padding: 2rem;
  min-height: calc(100vh - 120px);
}
.amazon-button{
display: flex;
justify-content: center;
text-align: center;
margin: 2.5rem;
padding: 4px 1px;
text-decoration: none;
border-radius: 8px;
background:#007ffe;
color: white;
}

.section {
  display: none;
}

.section.active {
  display: block;
  animation: fadeIn 0.5s ease;
}



.main-heading {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  color: #007ffe;
}


.card-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.3rem;
  margin-top: 2rem;

}


.card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-3px);
}

.card-heading {
  background-color: #007ffe;
  color: white;
  padding: 0.5rem;
  text-align: center;
  
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: contain;
  padding: 0.5rem;
  background-color: white;
}

.card-info {
  padding: 1.2rem;
}

.card-info h3 {
  margin-bottom: 1rem;
  color: #2c3e50;
  font-size: 1.1rem;
}

.card-info p {
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
}

.card-info i {
  margin-right: 0.5rem;
  color: #f39c12;
  width: 18px;
  text-align: center;
}

#compare {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

.compare-search {
  margin-bottom: 1.5rem;
}

.search-bar {
  width: 80%;
  max-width: 500px;
  padding: 0.8rem;
  border: 1px solid#ddd;
  border-radius: 5px;
  font-size: 1rem;
  margin: 0 auto;
}

.compare-selection {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.compare-dropdown {
  width: 200px;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

.compare-toggle {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.compare-toggle label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.compare-button {
  background-color: #f39c12;
  color: white;
  border: none;
  padding: 0.8rem 1.8rem;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin: 0 auto 1.5rem auto;
  display: block;
}

.compare-button:hover {
  background-color: #e67e22;
}

.compare-table {
  width: 100%;
  overflow-x: auto;
  margin: 0 auto 2rem auto;
}

.compare-table table {
  margin: 0 auto;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th {
  background-color: #151A28;
  color: white;
  padding: 1rem;
  text-align: left;
  vertical-align: top;
  width: 150px;
}

.compare-table td {
  padding: 1rem;
  border: 1px solid #ddd;
  text-align: center;
  vertical-align: middle;
}

.compare-table .spec-label {
  font-weight: bold;
  background-color: #f5f5f5;
  text-align: left;
}

.compare-table .best-spec {
  background-color: #e8f8f5;
  font-weight: bold;
}

.compare-table img {
  max-width: 80px;
  height: auto;
}

.compare-tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  border-bottom: 1px solid #ddd;
  margin-bottom: 1rem;
}

.tab-button {
  padding: 0.8rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  border-bottom: 3px solid transparent;
}

.tab-button.active {
  border-bottom: 3px solid #f39c12;
  color: #f39c12;
  font-weight: bold;
}

.tab-content {
  display: none;
  padding: 1.5rem;
  background: white;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  text-align: left;
}

.tab-content.active {
  display: block;
}

.tab-content img {
  max-width: 180px;
  height: auto;
  margin-bottom: 1rem;
  display: block;
}


.footer {
  background-color:#151A28;
  color: white;
  padding: 2rem;
  text-align: center;
}

.socials {
  margin-bottom: 1.5rem;
}

.socials a {
  color: white;
  font-size: 1.5rem;
  margin: 0 0.5rem;
  transition: color 0.3s ease;
}

.socials a:hover {
  color: royalblue;
}

.list {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.list li {
  margin: 0 1rem;
}

.footer-link {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: royalblue;
}

.copyright {
  font-size: 0.9rem;
  color: #bdc3c7;
}


@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 90px;
    left: 20px;
    right: 20px;
    width: calc(100% - 40px);
    background-color:#151A28;
    flex-direction: column;
    border-radius: 5px;
    align-items: center;
    clip-path: circle(0px at 90% -10%);
    -webkit-clip-path: circle(0px at 90% -10%);
    transition: all 0.5s ease-out;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  }

  .nav-links.active {
    clip-path: circle(1000px at 90% -10%);
    -webkit-clip-path: circle(1000px at 90% -10%);
  }

  .nav-links li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin: 0;
  }

  .nav-link {
    padding: 1rem;
    display: block;
    font-size: 1rem;
  }

  .burger {
    display: block;
  }

  .burger.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .burger.toggle .line2 {
    opacity: 0;
  }

  .burger.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .content {
    padding: 1rem;
  }

  .card-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .card-image {
    height: 150px;
  }

  .card-info {
    padding: 1rem;
  }
  
 
  .compare-table img {
    max-width: 60px;
  }
  
  .tab-content img {
    max-width: 150px;
  }
}


@media (max-width: 1050px) {
  .card-container {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .card-container {
    grid-template-columns: 1fr;
  }
  
  .main-heading {
    font-size: 2rem;
  }

  .logo {
    font-size: 1.5rem;
  }
}


@media (max-width: 768px) {
  .compare-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  .compare-selection {
    flex-direction: column;
    align-items: center;
  }
  
  .compare-dropdown {
    width: 80%;
  }

  .compare-table th, 
  .compare-table td {
    padding: 0.8rem;
    font-size: 0.9rem;
  }

  .compare-table img {
    max-width: 50px;
  }
}


@media (max-width: 480px) {
  .nav-links {
    top: 70px;
    left: 10px;
    right: 10px;
    width: calc(100% - 20px);
  }

  .nav-link {
    padding: 0.8rem;
    font-size: 0.9rem;
  }

  .main-heading {
    font-size: 1.8rem;
  }

  .card-info h3 {
    font-size: 1rem;
  }
  
  .compare-table img {
    max-width: 40px;
  }
  
  .tab-content img {
    max-width: 120px;
  }  
}


@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}