@media (max-width: 1200px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    background-color: #fff;
    top: 80px;
    left: 0;
    width: 100%;
    padding-left: 0;
    text-align: center;
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links li {
    margin: 2rem 0;
  }
  .nav-links a {
    font-size: 3rem;
  }
  .burgar {
    display: block;
  }
  .logo {
    font-size: 3.5rem;
    margin-right: 80rem;
    margin-left: 1rem;
  }
  .btn {
    display: none;
  }
}

@media (max-width: 884px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    background-color: white;
    top: 80px;
    left: 0;
    width: 100%;

    text-align: center;
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links li {
    margin: 2rem 0;
    font-size: 3rem;
  }
  .nav-links a {
    font-size: 4rem;
  }
  .burgar {
    display: block;
  }
  .logo {
    font-size: 3.5rem;
    margin-right: 40rem;
    margin-left: 1rem;
  }
  .btn {
    display: none;
  }
  .section_1 {
    height: 130vh;
  }
  .bg_div {
    top: 40%;
  }
  .bg_div :first-child {
    font-size: 7rem;
    line-height: 1.5;
  }
  .bg_div :last-child {
    font-size: 2.7rem;
  }
  .service-header {
    width: 45%;
    line-height: 1.6;
  }
  .service-header h2 {
    font-size: 1.9rem;
  }
  .service-header p {
    font-size: 1.9rem;
  }
  .flex {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .section3_div1 {
    width: 280px;
  }
  .buy {
    font-size: 2.2rem;
  }
  .expert {
    font-size: 1.7rem;
  }
  .learn_more {
    font-size: 1.7rem;
  }
  .blog-gallary {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    justify-content: center;
    align-items: center;
    row-gap: 40px;
  }
  .section2_div1 img {
    width: 100%;
    max-width: 500px;
  }
}

/* max-width 834x*/
@media (max-width: 834px) {
  .section_1 {
    height: 100vh;
  }
  .bg_div {
    top: 40%;
  }
  .bg_div :first-child {
    font-size: 6rem;
    line-height: 1.5;
  }
  .bg_div :last-child {
    font-size: 3rem;
  }
  .flex {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .section3_div1 {
    width: 280px;
  }
  .buy {
    font-size: 2.3rem;
  }
  .expert {
    font-size: 1.8rem;
  }
  .learn_more {
    font-size: 1.8rem;
  }
}

/* max-width 800px*/
@media (max-width: 800px) {
  .logo {
    margin-right: 45rem;
  }
  .section_1 {
    height: 100vh;
  }
  .bg_div :first-child {
    font-size: 6rem;
    line-height: 1.4;
  }
  .bg_div :last-child {
    font-size: 2.5rem;
  }
  .service-header {
    width: 50%;
    line-height: 1.6;
  }
  .section3_div1 {
    width: 280px;
  }
}

/* max-width 500px*/
@media (max-width: 500px) {
  .logo {
    font-size: 2.5rem;
    margin-right: 20rem;
    margin-left: 1rem;
  }
  .section_1 {
    height: 100vh;
  }
  .bg_div {
    top: 40%;
  }
  .bg_div :first-child {
    font-size: 3.5rem;
    line-height: 1.5;
  }
  .bg_div :last-child {
    font-size: 1.5rem;
  }
  .service-header {
    width: 70%;
    line-height: 1.6;
  }
  .flex {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
  }
  .section3_div1 {
    width: 280px;
  }
  .blog-gallary {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    justify-content: center;
    align-items: center;
    row-gap: 40px;
  }
  .blog-header {
    width: 80%;
  }
  .blog-header h1 {
    padding-top: 8rem;
    font-size: 2rem;
  }
  .blog-header p {
    font-size: 1.5rem;
  }
  .section2_div1 img {
    width: 100%;
    max-width: 350px;
  }
}

/* max-width 412px*/
@media (max-width: 412px) {
  .logo {
    margin-right: 18rem;
  }
  .section_1 {
    height: 100vh;
  }
  .bg_div {
    top: 35%;
  }
  .bg_div :first-child {
    font-size: 3.2rem;
    line-height: 1.5;
  }
  .bg_div :last-child {
    font-size: 1.5rem;
  }
  .blog-header {
    width: 60%;
  }
  .blog-header h1 {
    padding-top: 8rem;
    font-size: 2.5rem;
  }
  .blog-header p {
    font-size: 1.7rem;
  }
  .section2_div1 img {
    width: 100%;
    max-width: 320px;
  }
  .footer {
    padding-bottom: 1rem;
  }
  footer :nth-child(1) {
    font-size: 1.7rem;
  }
  footer :nth-child(2) {
    font-size: 1.7rem;
    font-weight: bold;
  }
  .footer-text1 {
    font-size: 1.5rem;
  }
}
/* max-width 360px*/
@media (max-width: 360px) {
  .logo {
    font-size: 2.5rem;
    margin-right: 15rem;
  }

  .bg_div :first-child {
    font-size: 3rem;
    line-height: 1.5;
  }
  .service-header {
    width: 73%;
    line-height: 1.6;
  }
  .flex {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
  }
  .section2_div1 img {
    width: 100%;
    max-width: 300px;
  }
  footer :nth-child(1) {
    font-size: 1.5rem;
  }
  footer :nth-child(2) {
    font-size: 1.5rem;
    font-weight: bold;
  }
  .footer-text1 {
    font-size: 1.3rem;
  }
}

/* max-width 320px*/
@media (max-width: 320px) {
  .logo {
    font-size: 2.2rem;
    margin-right: 12rem;
  }
  .bg_div {
    top: 33%;
  }
  .bg_div :first-child {
    font-size: 2.6rem;
    line-height: 1.5;
  }
  .service-header {
    width: 75%;
    line-height: 1.6;
  }
  .flex {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
  }
  .section3_div1 {
    width: 250px;
  }
  .section2_div1 img {
    width: 100%;
    max-width: 260px;
  }
}