@import url("https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;700&display=swap");

:root {
  --DarkBlue: hsl(234, 42%, 27%);
  --VeryDarkBlue: hsl(236, 26%, 23%);
  --VeryDarkBlue-Blur: hsla(236, 26%, 23%, 0.5);
  --LimeGreen: hsl(136, 65%, 51%);
  --BrightCyan: hsl(192, 70%, 51%);
  --GrayishBlue: hsl(233, 8%, 62%);
  --LightGrayishBlue: hsl(220, 16%, 96%);
  --VeryLightGray: hsl(0, 0%, 98%);
  --White: hsl(0, 0%, 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Public Sans", sans-serif;
}
::-webkit-scrollbar {
  width: 1rem;
  background-color: transparent;
}
::-webkit-scrollbar-track {
  background-color: var(--DarkBlue);
}
::-webkit-scrollbar-thumb {
  border-left: 0.2rem solid var(--DarkBlue);
  border-right: 0.2rem solid var(--DarkBlue);
  background-color: var(--BrightCyan);
}

body {
  width: 100%;
  min-height: 100vh;
  font-size: 18px;
  background-color: var(--White);
}

a {
  text-decoration: none;
  display: inline-block;
}

img {
  max-width: 100%;
}

.wrapper {
  width: 100%;

  overflow: hidden;
}
/* HEADER */
.header {
  padding: 0 10.25rem;
  height: 80px;
  background-color: var(--White);
  position: relative;
  z-index: 2;
}
.header_wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: auto;
  height: 100%;
}
.logo {
  width: 140px;
  height: 20px;
}
.logo img {
  width: 100%;
  height: 100%;
}
/* nav / menu*/
.nav-bar {
  height: 100%;
  display: flex;
}
.menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  height: 100%;
}
.nav_link {
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--GrayishBlue);
  line-height: 1;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav_link:hover {
  color: var(--DarkBlue);
}
.nav_link:hover::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 4px;
  bottom: 0;
  left: 0;
  background-color: var(--BrightCyan);
}
/* end nav / menu*/
.menu_btns {
  display: none;
}

.btn {
  width: 163px;
  height: 44px;
  font-size: 0.8rem;
  font-weight: 700;
  border: none;
  outline: none;
  color: var(--LightGrayishBlue);
  background: linear-gradient(90deg, var(--LimeGreen), var(--BrightCyan));
  border-radius: 100vw;
  cursor: pointer;
}

.btn:hover {
  background: linear-gradient(
    90deg,
    var(--LimeGreen) 30%,
    var(--BrightCyan) 90%
  );
}

.btn:focus {
  background: var(--LimeGreen);
}
/* END HEADER */
/* TOP SECTION */
.top {
  width: 100%;
  background-color: var(--VeryLightGray);
}
.top_section_wrapper {
  padding-left: 10.25rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: auto;
}
.text {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.top_ttl {
  width: 396px;
  font-size: 3.32rem;
  font-weight: 400;
  line-height: 1.11;
  margin-bottom: 2rem;
  color: var(--DarkBlue);
}

.top_txt {
  width: 436px;
  font-size: 1.09rem;
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 2.25rem;
  color: var(--GrayishBlue);
}

.img-div {
  flex: 1;
  height: 655px;
  background-image: url(./images/bg-intro-desktop.svg);
  background-repeat: no-repeat;
  background-position: 5% 70%;
  background-size: auto;
}
.img_wrapper {
  max-width: 55%;
  position: absolute;
  top: -7.5rem;
  right: -7.5rem;
}
.phones {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
/* END TOP SECTION */

/* SECOND SECTION  */

.second {
  padding: 6.875rem 10.25rem 6.25rem;
  background-color: var(--LightGrayishBlue);
}
.section_section_wrapper {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}
.second_ttl {
  font-size: 2.3rem;
  font-weight: 400;
  color: var(--DarkBlue);
  margin-bottom: 1.8rem;
}

.second_sub_ttl {
  color: var(--GrayishBlue);
  width: 614px;
  margin-bottom: 4.375rem;
  font-size: 1.08rem;
  font-weight: 400;
  line-height: 1.42;
}

/* SECOND SECTION > SERVICES*/
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 1.9rem;
  align-items: start;
}

.services article {
  width: 100%;
  max-width: 256px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  /* padding-right: 1rem; */
}

.service_ttl {
  color: var(--DarkBlue);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2.625rem 0 1.875rem;
  line-height: 1;
}

.service_txt {
  color: var(--GrayishBlue);
  font-size: 0.964rem;
  font-weight: 400;
  line-height: 1.6;
}
/* END SECOND SECTION  */

/* THIRD SECTION */
.third {
  width: 100%;
  padding: 6rem 10.25rem 5rem;
  background-color: var(--VeryLightGray);
}
.third_section_wrapper {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.third_ttl {
  color: var(--DarkBlue);
  font-weight: 400;
  font-size: 2.5rem;
  margin-bottom: 3.25rem;
  line-height: 1;
}

/*articles*/

.articles {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(254px, 1fr));
  gap: 1.875rem 1rem;
  align-self: start;
}
.box {
  width: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--White);
  border-radius: 5px;
  overflow: hidden;
}

.article-img {
  width: 100%;
  height: 200px;
}
.article-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
}
/*text area under article images*/
.author {
  padding: 1.875rem 1.5rem 1.5rem;
  padding-right: 0.717rem;
}

.name {
  color: var(--GrayishBlue);
  font-size: 0.72rem;
  font-weight: 300;
}

.box_ttl {
  color: var(--DarkBlue);
  font-size: 1.1rem;
  font-weight: 400;
  margin: 1rem 0 0.8rem;
  line-height: 1.1;
  cursor: pointer;
}
.box_ttl:hover {
  color: var(--BrightCyan);
}

.box_txt {
  color: var(--GrayishBlue);
  font-size: 0.87rem;
  font-weight: 400;
  line-height: 1.35;
}
/* END THIRD SECTION */

/*footer*/
.footer {
  padding: 2.7rem 10.25rem;
  background-color: var(--VeryDarkBlue);
}
.footer_wrapper {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.first {
  display: flex;
  align-items: center;
  gap: 8.125rem;
  height: 95px;
}

.logo-socials {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.socials {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.socials a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.socials a:hover .social_icon path {
  fill: var(--LimeGreen);
}
/* FOOTER LINKS */
.ftr_links {
  width: 282px;
  height: 100%;
  display: flex;
  justify-content: space-between;
}

footer a {
  color: var(--VeryLightGray);
  font-weight: 400;
}
.about,
.careers {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4px 0;
}
.about a,
.careers a {
  font-size: 0.8rem;
}

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

/* END FOOTER LINKS */

.rights {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 4px;
}

.ftr_tm {
  font-size: 0.8rem;
  color: var(--GrayishBlue);
  font-weight: 400;
}

@media only screen and (max-width: 1300px) {
  .header {
    padding: 0 7.25rem;
  }

  .top_section_wrapper {
    padding-left: 7.25rem;
  }
}
@media only screen and (max-width: 1200px) {
  .header {
    padding: 0 5.25rem;
  }

  .top_section_wrapper {
    padding-left: 5.25rem;
  }
  .second {
    padding: 6.875rem 5.25rem 6.25rem;
  }
  .third {
    padding: 6rem 5.25rem 5rem;
  }
  .footer {
    padding: 2.7rem 5.25rem;
  }

  .img_wrapper {
    top: 1rem;
    right: -4rem;
  }
  .first {
    gap: 2.5rem;
  }
}
@media only screen and (max-width: 1000px) {
  .header {
    padding: 0 2.25rem;
  }
  .menu {
    gap: 1rem;
  }

  .top_section_wrapper {
    padding-left: 2.25rem;
  }
  .second {
    padding: 5rem 2.25rem 5rem;
  }
  .third {
    padding: 6rem 2.25rem 5rem;
  }
  .footer {
    padding: 2.7rem 2.25rem;
  }

  .top_ttl {
    width: 340px;
    font-size: 2.5rem;
  }
  .top_txt {
    width: 370px;
  }
  .img-div {
    background-position: 7% 50%;
    height: 555px;
  }
  .img_wrapper {
    top: 4rem;
    right: -3rem;
  }
  .services article {
    align-items: center;
    text-align: center;
    padding-right: 0;
  }
  .ftr_links {
    width: 232px;
  }
}
@media only screen and (max-width: 800px) {
  .header {
    padding: 0 1.5rem;
  }

  .top_section_wrapper {
    padding-left: 1.5rem;
  }
  .menu {
    gap: 0.6rem;
  }
}
@media only screen and (max-width: 769px) {
  .header {
    padding: 0 1.375rem;
    height: 59px;
  }
  .logo {
    width: 130px;
  }
  .btn.hdr {
    display: none;
  }
  .nav-bar {
    display: none;
  }
  .nav-bar.popup {
    display: flex;
    justify-content: center;
    position: fixed;
    top: 59px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100vh;
    z-index: 3;
  }
  .menu {
    width: 60%;
    min-width: 325px;
    height: 265px;
    padding: 2rem 0;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-between;
    position: absolute;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    transition: all 0.3s ease-in;
    background-color: var(--White);
    border-radius: 5px;
    box-shadow: 0px 150px 150px 100px var(--VeryDarkBlue-Blur);
  }
  .nav_link {
    color: var(--DarkBlue);
    font-size: 1rem;
    font-weight: 400;
  }
  .nav_link:hover {
    color: var(--GrayishBlue);
  }
  .nav_link:hover::after {
    bottom: -5px;
  }
  .menu_btns {
    display: block;
  }
  .open-menu-btn,
  .close-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    width: 25px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .open-menu-btn img,
  .close-menu-btn img {
    object-fit: contain;
  }

  .close-menu-btn {
    display: none;
  }

  .nav-bar.active + .close-menu-btn {
    display: flex;
  }

  .top {
    padding: 0;
  }
  .top_section_wrapper {
    padding: 0;
    position: static;
    flex-direction: column-reverse;
  }
  .text {
    padding: 0 1.375rem 5rem;
    align-items: center;
    text-align: center;
    width: 100%;
    margin: auto;
  }
  .img-div {
    flex: none;
    width: 100%;
    height: 295px;
    background-image: url(./images/bg-intro-mobile.svg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  .img_wrapper {
    max-width: 55%;
    position: static;
    margin-top: -10rem;
  }

  .top_ttl {
    width: 60%;
    font-size: 2.15rem;
    line-height: 1.16;
    margin-bottom: 1rem;
  }
  .top_txt {
    width: 70%;
    font-size: 0.82rem;
    margin-bottom: 2rem;
  }
  .btn {
    width: 150px;
    height: 40px;
  }
  .second {
    padding: 4rem 1.43rem 3.75rem;
  }
  .third {
    padding: 5.25rem 1.375rem 5rem;
  }
  .second_ttl {
    width: 70%;
    margin: 0 auto 1.125rem;
    text-align: center;
  }
  .second_sub_ttl {
    width: 70%;
    margin: 0 auto 3.5rem;
    text-align: center;
  }
  .third_ttl {
    font-size: 1.7rem;
    margin-bottom: 2.12rem;
    text-align: center;
  }
  .articles {
    gap: 1rem;
  }
  .article-img {
    height: 185px;
  }
  .article-img img {
    height: 185px;
  }
  .box {
    max-width: 300px;
  }
  .author {
    padding: 1.625rem 1.75rem 2.5rem;
  }
  .box_ttl {
    margin: 0.9rem 0 0.6rem;
    font-size: 0.91rem;
  }
  .box_txt {
    font-size: 0.7rem;
    line-height: 1.3;
  }
  .footer {
    padding: 2.3rem 2rem 2.5rem;
  }
  .footer_wrapper {
    flex-direction: column;
    gap: 2rem;
  }
  .first {
    flex-direction: column;
    height: max-content;
    gap: 2.125rem;
  }
  .logo-socials {
    gap: 1.81rem;
    align-items: center;
  }
  .socials {
    gap: 0.93rem;
  }
  .ftr_links {
    width: 400px;
  }
  .about,
  .careers {
    padding: 0;
    gap: 1.25rem;
  }

  .rights {
    align-items: center;
    gap: 1.75rem;
    padding: 0;
  }
}

@media only screen and (max-width: 600px) {
  .services {
    justify-items: center;
    gap: 2rem 0;
  }
  .services article {
    width: 100%;
    max-width: 100%;
  }
  .services article img {
    width: 67px;
    height: 67px;
  }
  .service_ttl {
    font-size: 1.1rem;
    margin: 1.6rem 0 1.3rem;
  }
  .service_txt {
    font-size: 0.86rem;
    line-height: 1.4;
    width: 90%;
  }
  .articles {
    justify-items: center;
  }
}
@media only screen and (max-width: 500px) {
  .img_wrapper {
    max-width: 90%;
    margin-top: -7rem;
  }
  .img-div {
    background-position: 0px -70px;
  }
  .top_ttl {
    width: 258px;
  }
  .top_txt {
    /* width: 280px; */
    width: 100%;
    font-size: 0.9rem;
  }
  .second_ttl {
    width: 158px;
    font-size: 1.76rem;
    line-height: 1.14;
  }
  .second_sub_ttl {
    width: 100%;
    font-size: 0.9rem;
    line-height: 1.5;
  }
  .ftr_links {
    width: 100%;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
  }
  .service_txt {
    width: 100%;
  }
}