:root {
  scroll-behavior: smooth;
  font-size: 62.5%;
}

/* Global rules */
* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}
/* Header starts here */
.main-header {
  width: 100%;
  padding-top: 35px;
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: center;
  margin-bottom: 125px;
}
.main-header-top-section-container {
  width: 85%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 100px;
}
.main-header-top-section__logo {
  width: 40%;
  max-width: 200px;
}
.main-header-top-section__nav {
  width: 60%;
  max-width: 200px;
}
.main-header-top-section__nav .header-nav {
  list-style-type: none;
  display: flex;
  justify-content: space-between;
  font-size: 1.6rem;
}
.main-header-top-section__nav .header-nav__items {
  font-family: "Raleway", sans-serif;
  font-weight: bold;
  text-decoration: none;
  color: grey;
  transition: transform 0.2s;
}
.main-header-top-section__nav .header-nav__items:hover {
  color: black;
}
.main-header-content-container {
  width: 85%;
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  align-items: center;
}
.main-header-content {
  width: 100%;
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: hsl(243, 87%, 12%);
}
.main-header-content__title {
  font-family: "Raleway", sans-serif;
  font-size: 2.5rem;
  line-height: 45px;
  margin-bottom: 40px;
}
.main-header-content__info {
  width: 90%;
  line-height: 25px;
  font-size: 1.6rem;
  margin-bottom: 40px;
  font-family: "Open Sans", sans-serif;
}
.main-header-content__input-email,
.cta-input__input-email {
  width: 100%;
  padding: 15px;
  border: 1px solid grey;
  border-radius: 5px;
  outline: none;
  margin-bottom: 25px;
  font-family: "Raleway", sans-serif;
  box-shadow: 1px 2px 3px rgba(0, 0, 0, 0.2);
}
.main-header-content__input-email::placeholder,
.cta-input__input-email::placeholder {
  font-family: "Raleway", sans-serif;
  opacity: 0.8;
}
.main-header-content__input-email:invalid,
.cta-input__input-email:invalid {
  color: #af0000;
  border: 1px solid #cc0000;
}

.main-header-content__cta-btn,
.cta-input__btn {
  width: 100%;
  background-color: hsl(224, 93%, 58%);
  padding: 14px;
  border-radius: 5px;
  font-family: "Raleway", sans-serif;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.8rem;
  cursor: pointer;
  border: none;
  box-shadow: 3px 2px 5px rgba(0, 0, 0, 0.2);
  transition: background-color 0.5s, box-shadow 1s;
}
.cta-input__btn:hover,
.main-header-content__cta-btn:hover {
  background-color: #6b9bff;
  box-shadow: 2px 5px 7px rgba(0, 0, 0, 0.2);
}
.cta-input__btn:focus,
.main-header-content__cta-btn:focus {
  outline: none;
  border: none;
}
.cta-input__btn:active,
.main-header-content__cta-btn:active {
  outline: none;
  background-color: #1f428f;
}
.main-header__illustration {
  order: -1;
  width: 100%;
}
/* Header ends here  */

/* Main content starts here */
.main-content {
  color: hsl(243, 87%, 12%);
  display: flex;
  justify-content: center;
  background-color: #000000;
  background-image: url(images/bg-curve-mobile.svg),
    linear-gradient(#ffffff 3%, hsl(240, 75%, 98%) 3%);
  background-repeat: no-repeat;
  background-position: top;
  background-size: 100%;
}
.main-content-container {
  width: 85%;
  margin: 100px 0px;
  display: flex;
  flex-flow: row wrap;
}
.main-content-section {
  width: 100%;
  color: hsl(243, 87%, 12%);
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: center;
}
.main-content-section__title {
  width: 100%;
  text-align: center;
  font-family: "Raleway", sans-serif;
  font-size: 2.2rem;
  margin-bottom: 40px;
}
.main-content-section__info {
  font-size: 1.6rem;
  line-height: 25px;
  font-family: "Open Sans", sans-serif;
}
.main-content-section__info:first-of-type {
  margin-bottom: 25px;
}
.main-content-section__info:last-of-type {
  margin-bottom: 50px;
}
.main-content-section__cta {
  font-family: "Open Sans", sans-serif;
  font-size: 1.6rem;
  color: hsl(170, 45%, 43%);
  text-decoration: none;
  padding-bottom: 5px;
  border-bottom: 1px solid hsl(170, 45%, 43%);
  margin-bottom: 50px;
  transition: color 0.5;
}
.main-content-section__cta::after {
  content: url(images/icon-arrow.svg);
  margin-left: 10px;
}
.main-content-section__cta:hover {
  color: #6bd8c4;
  border-bottom-color: #6ad6c2;
}
.main-content-section__cta:active {
  color: #0b816b;
  border-bottom-color: #0b816b;
}
.main-content-testimonial {
  width: 90%;
  border-radius: 5px;
  padding: 15px 30px;
  color: hsl(243, 87%, 12%);
  background-color: #ffffff;
  box-shadow: 1px 3px 7px rgba(0, 0, 0, 0.3);
  transition: transform 0.5s;
}
.main-content-testimonial .profile-testimonial {
  font-family: "Open Sans", sans-serif;
  width: 100%;
  display: flex;
  flex-flow: row wrap;
}
.main-content-testimonial .profile-testimonial__img {
  width: 50px;
  border-radius: 50%;
}
.main-content-testimonial .profile-testimonial-identification {
  width: 65%;
  align-self: center;
  margin-left: 15px;
  line-height: 20px;
}
.main-content-testimonial .profile-testimonial__name {
  font-weight: 700;
  font-family: "Raleway", sans-serif;
}
.main-content-testimonial .profile-testimonial__status {
  font-weight: 400;
  font-family: "Raleway", sans-serif;
}
.main-content-testimonial:hover {
  transform: scale(1.02);
}
.main-content-testimonial__quote-icon {
  width: 25px;
  margin-bottom: 10px;
}
.main-content-testimonial__info {
  font-size: 1.6rem;
  line-height: 27px;
  margin-bottom: 20px;
}
.main-content__illustration {
  width: 100%;
  order: -1;
  margin-bottom: 75px;
}
/* Main-content ends here*/

/* Aside-content starts here */
.call-to-action {
  background-color: hsl(238, 22%, 44%);
  display: flex;
  justify-content: center;
  padding: 80px 0px;
}
.cta-container {
  width: 85%;
}
.cta-info-container {
  width: 100%;
  color: #ffffff;
  text-align: center;
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  margin-bottom: 50px;
}
.cta-info__title {
  font-size: 2.2rem;
  margin-bottom: 25px;
  font-family: "Raleway", sans-serif;
}
.cta-info__content {
  font-size: 1.6rem;
  line-height: 27px;
  width: 90%;
  font-family: "Open Sans", sans-serif;
}
.cta-input-container {
  width: 100%;
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
}
.cta-input__btn,
.cta-input__input-email {
  padding: 15px;
  width: 80%;
  margin-bottom: 15px;
}
/* Aside-content ends here */

/* Footer starts here */
.main-footer {
  background-color: hsl(243, 87%, 12%);
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  padding: 65px 0px 20px;
}
.main-footer-content-container {
  width: 85%;
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: center;
}
.main-footer__logo {
  width: 230px;
  margin-bottom: 30px;
  color: white;
  align-self: flex-start;
}
.main-footer-contact {
  font-family: "Open Sans", sans-serif;
  width: 100%;
  display: flex;
  flex-flow: column nowrap;
  color: #ffffff;
  font-size: 1.8rem;
  margin-bottom: 40px;
}
.main-footer-contact__phone {
  margin-bottom: 20px;
}
.main-footer-contact__phone::before {
  content: url(images/icon-phone.svg);
  margin-right: 25px;
}
.main-footer-contact__email::before {
  content: url(images/icon-email.svg);
  margin-right: 25px;
}
.main-footer-navs {
  width: 100%;
  display: flex;
  flex-flow: column nowrap;
  font-size: 1.8rem;
  margin-bottom: 40px;
}
.main-footer-nav-one {
  width: 50%;
  margin-bottom: 70px;
}
.footer-nav-one,
.footer-nav-two {
  display: flex;
  flex-flow: column nowrap;
  list-style-type: none;
}
.footer-nav-one__items,
.footer-nav-two__items {
  font-family: "Open Sans", sans-serif;
  color: #ffffff;
  text-decoration: none;
  display: block;
  margin-bottom: 20px;
  transition: color 0.5s;
}
.footer-nav-one__items:hover,
.footer-nav-two__items:hover {
  color: #2b59bb;
}
.footer-nav-one__items:active,
.footer-nav-two__items:active {
  color: #0de2e2;
}
.social-media-links {
  width: 45%;
  max-width: 180px;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  margin-bottom: 40px;
}
.social-media-links a {
  text-decoration: none;
  color: #ffffff;
  font-size: 1.6rem;
}
.social-media-links .fab {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid #ffffff;
  border-radius: 50%;
  transition: all 0.5s;
}
.social-media-links .fab:hover {
  color: #376bdb;
  border-color: #3768d1;
}
.social-media-links .fab:active {
  color: #0de2e2;
  border-color: #0de2e2;
}
.footer-base {
  text-align: center;
  width: 100%;
  font-family: "Open Sans", sans-serif;
  font-size: 1.6rem;
  color: #ffffff;
  margin-top: 50px;
  line-height: 35px;
}
.footer-base a {
  color: #14a0a0;
  text-decoration: none;
}
.footer-base a:hover {
  color: #4ceccf;
}
.footer-base a:active {
  color: #2fa892;
}
/* Footer ends here */

/* MEDIA QUERIES FOR RESPONSIVE DESIGN */

/* Media Queries for 786px */

@media screen and (min-width: 768px) {
  .main-header-top-section__nav {
    max-width: 270px;
  }
  .main-header-top-section__nav .header-nav {
    font-size: 1.8rem;
  }
  .main-header-content {
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: normal;
  }
  .main-header-content__input-email {
    width: 60%;
    margin-bottom: 0px;
  }
  .main-header-content__cta-btn {
    width: 35%;
  }
  .main-header-content__title {
    font-size: 3.5rem;
  }
  .main-header-content__info {
    width: 100%;
    font-size: 1.8rem;
  }
  .main-content {
    background-image: url(images/bg-curve-mobile.svg),
      linear-gradient(#ffffff 5%, hsl(240, 75%, 98%) 2%);
  }
  .main-content-section__title {
    font-size: 3rem;
  }
  .main-content-testimonial {
    max-width: 380px;
  }
  .cta-input-container {
    justify-content: space-evenly;
  }
  .cta-input-container .cta-input__input-email {
    width: 55%;
  }
  .cta-input-container .cta-input__btn {
    width: 35%;
  }
}

/* Media Queries for 1024px */

@media screen and (min-width: 1024px) {
  .main-header-top-section__logo,
  .main-footer__logo {
    max-width: 175px;
  }
  .main-header-content-container {
    justify-content: space-between;
  }
  .main-header__illustration {
    width: 55%;
    order: 1;
  }
  .main-header-content {
    width: 40%;
    text-align: left;
  }
  .main-header-content .main-header-content__title {
    font-size: 2.3rem;
    line-height: 35px;
    margin-bottom: 25px;
  }
  .main-header-content .main-header-content__info {
    font-size: 1.4rem;
    line-height: 20px;
  }
  .main-header-content .main-header-content__input-email,
  .main-header-content .cta-input__input-email {
    align-self: flex-start;
  }
  .main-header-content .main-header-content__cta-btn {
    width: 37%;
    font-size: 1.4rem;
  }
  .main-content {
    background-image: url(images/bg-curve-desktop.svg),
      linear-gradient(#ffffff 5%, hsl(240, 75%, 98%) 1%);
  }
  .main-content-container {
    margin: 150px 0px;
    justify-content: space-between;
  }
  .main-content-section {
    width: 45%;
    text-align: left;
  }
  .main-content-section .main-content-section__title {
    text-align: left;
  }
  .main-content-section .main-content-section__info {
    width: 70%;
    align-self: flex-start;
  }
  .main-content-section .main-content-section__info:last-of-type {
    margin-bottom: 30px;
  }
  .main-content-section .main-content-section__cta,
  .main-content-section .main-content-testimonial {
    align-self: flex-start;
  }
  .main-content__illustration {
    width: 50%;
    height: 50%;
    align-self: center;
    order: 1;
    margin-bottom: 0px;
  }
  .cta-container {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: center;
  }
  .cta-info-container {
    width: 45%;
    margin-bottom: 0px;
    text-align: left;
  }
  .cta-info-container .cta-info__title {
    font-size: 2.5rem;
  }
  .cta-info-container .cta-info__title,
  .cta-info-container .cta-info__content {
    width: 100%;
  }
  .cta-input-container {
    width: 45%;
    justify-content: start;
  }
  .cta-input-container .cta-input__input-email {
    width: 100%;
  }
  .cta-input-container .cta-input__btn {
    width: 50%;
    margin-bottom: 0px;
    font-size: 1.4rem;
  }

  .main-footer-content-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-areas: "logo . ." "contact navs social-links";
    place-items: start;
  }
  .main-footer__logo {
    grid-area: logo;
  }
  .main-footer-contact {
    grid-area: contact;
  }
  .main-footer-navs {
    grid-area: navs;
    flex-flow: row wrap;
    margin-bottom: 0px;
  }
  .main-footer-nav-one {
    margin-bottom: 0px;
  }
  .social-media-links {
    grid-area: social-links;
    justify-self: center;
    width: 190px;
  }
}

/* Media Queries for 1440px */

@media screen and (min-width: 1440px) {
  .main-header-top-section-container,
  .main-header-content-container,
  .main-content-container,
  .cta-container,
  .main-footer-content-container {
    width: 90%;
    max-width: 1275px;
  }
  .main-header {
    padding-top: 70px;
    margin-bottom: 150px;
  }
  .main-header__illustration {
    width: 53%;
  }
  .main-header-content {
    width: 42%;
  }
  .main-header-content .main-header-content__title {
    font-size: 3.5rem;
    line-height: 45px;
  }
  .main-header-content .main-header-content__info {
    font-size: 1.8rem;
    line-height: 25px;
    width: 95%;
  }
  .main-header-content .main-header-content__input-email {
    width: 320px;
  }
  .main-header-content .main-header-content__cta-btn {
    width: 200px;
  }
  .main-header-content .main-header-content__input-email,
  .main-header-content .main-header-content__cta-btn,
  .main-header-content .cta-input-container .cta-input__input-email,
  .main-header-content .cta-input-container .cta-input__btn {
    padding: 15px 20px;
  }
  .main-content {
    background-image: url(images/bg-curve-desktop.svg),
      linear-gradient(#ffffff 10%, hsl(240, 75%, 98%) 1%);
  }
  .main-content-section {
    width: 55%;
  }
  .main-content-section .main-content-section__title {
    font-size: 3.5rem;
  }
  .main-content-section .main-content-section__info {
    width: 75%;
  }
  .main-content-testimonial__info {
    font-size: 1.4rem;
    line-height: 25px;
  }
  .main-content__illustration {
    height: auto;
    width: 45%;
  }
  .cta-info-container {
    width: 40%;
  }
  .cta-info-container .cta-info__title {
    font-size: 3rem;
  }
  .cta-input-container .cta-input__btn {
    width: 40%;
  }
}