style.css

:root {
  --veryDarkBlue: hsl(243, 87%, 12%);
  --desaturatedBlue: hsl(238, 22%, 44%);
  --brightBlue: hsl(224, 93%, 58%);
  --moderateCyan: hsl(170, 45%, 43%);
  --lightGrayishBlue: hsl(240, 75%, 98%);
  --lightGray: hsl(0, 0%, 75%);
  --bodyFamily: "Open Sans", sans-serif;
  --bodyWeight: 400;
  --headingsFamily: "Raleway", sans-serif;
  --headingsWeightReg: 500;
  --headingsWeightBold: 700;
}

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

header {
  width: 100%;
  font-family: var(--headingsFamily);
  background: #fff;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav > img {
  width: 5rem;
  margin: 30px 20px;
}

nav > ul {
  display: flex;
  list-style: none;
  justify-self: end;
}

nav > ul > li {
  margin: 30px 20px;
  font-size: 0.8rem;
  font-weight: var(--headingsWeightReg);
}

nav > ul > li > a {
  text-decoration: none;
  color: var(--veryDarkBlue);
}

.hero {
  /* display: flex; */
  /* flex-direction: column; */
  padding: 70px 30px;
  font-family: var(--bodyFamily);
  align-items: center;
}

.textbox {
  margin: 30px 0;
}

.textbox > h3 {
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
}

.textbox > p {
  margin: 25px 0;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

.textbox > form > input {
  display: block;
  width: 100%;
  height: 40px;
  padding-left: 15px;
  background: #fff;
  border-radius: 4px;
  border: 1px solid rgb(125, 125, 125);
}

.textbox > form > input::placeholder {
  color: #dbd9d9;
}

.textbox > form > input::after{ 
  content: "Your validation message";
  position: absolute;
  bottom: -8px;
}

.textbox > form > button {
  display: block;
  width: 100%;
  height: 40px;
  margin: 15px 0;
  background: var(--brightBlue);
  color: #fff;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
}

main {
  background: #f9f9f9;
  width: 100%;
}

.desktop-curve {
  display: none;
}

.mobile-curve {
  width: 100%;
  background-color: #fff;
}

.md-section {
  /* display: flex; */
  /* flex-direction: column; */
  padding: 0 25px;
  align-items: center;
  font-family: var(--bodyFamily);
  margin-bottom: 80px;
}

.textbox2 {
  margin: 30px 0;
  order: 1;
}

.textbox2 > h3 {
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
}

.textbox2 > p {
  margin: 15px 0 15px;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
}

.textbox2 > a {
  display: flex;
  width: fit-content;
  text-decoration: none;
  color: var(--moderateCyan);
  font-size: 13px;
  /* justify-self: center; */
  /* align-items: center; */
  align-self: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--moderateCyan);
  margin: auto;
}

.textbox > a:hover {
  color: hsl(170, 93%, 71%);
}

.testimonial-card {
  width: 90%;
  padding: 20px;
  margin: 30px auto;
  background: #fff;
  border-radius: 4px;
  order: 2;
  box-shadow: 0px 0px 10px 4px rgba(0, 0, 0, 0.25);
}

.testimonial-card > img {
  height: 15px;
}

.testimonial-card > p {
  font-size: 12px;
  line-height: 18px;
  max-width: max-content;
}

.profile {
  display: flex;
  gap: 8px;
  margin-top: 15px;
  align-items: center;
}

.profile > img {
  width: 30px;
  border-radius: 50%;
}

.profile > h5 {
  font-size: 11px;
}

.profile > h5 > span {
  display: block;
  font-size: 9px;
  margin-top: 4px;
}

.earlybird {
  background-color: var(--desaturatedBlue);
  padding: 40px 40px 60px;
  color: #fff;
  text-align: center;
  font-family: var(--bodyFamily);
  font-weight: 400;
}

.earlybird > h5 {
  font-size: 18px;
  font-weight: 400;
}

.earlybird > p {
  line-height: 25px;
  margin: 15px 0;
}

.earlybird > form > input {
  display: block;
  width: 80%;
  height: 35px;
  margin: 20px auto 0;
  padding-left: 15px;
  background: #fff;
  border-radius: 4px;
  border: 1px solid rgb(125, 125, 125);
}

.earlybird > form > input::placeholder {
  color: #dbd9d9;
}

.earlybird > form > button {
  display: block;
  width: 80%;
  height: 35px;
  margin: 8px auto;
  background: var(--brightBlue);
  color: #fff;
  border: 0;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--headingsFamily);
  font-weight: 400;
}

.earlybird > form > button:hover {
  cursor: pointer;
  /* background: var(--brightBlue); */
  background: hsl(224, 92%, 66%);
}

footer {
  background-color: var(--veryDarkBlue);
  color: var(--lightGray);
  padding: 50px 35px;
  font-family: var(--bodyFamily);
  font-weight: 400;
}

footer > img {
  fill: #f9f9f9;
  margin-bottom: 20px;
}

.foot-box {
  display: flex;
  flex-direction: column;
}

.contact {
  margin: 40px 0 20px;
}

.phone > img,
.mail > img {
  height: 100%;
  margin-right: 20px;
}

.phone > span,
.mail > span {
  font-size: 16px;
}

.phone,
.mail {
  display: flex;
  justify-items: center;
  margin: 25px 0;
}

.foot-menu {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  width: 100%;
}

.foot-menu > ul {
  list-style: none;
  margin: 20px 0;
}

.foot-menu > ul > li {
  margin: 20px 0;
}

.foot-menu > ul > li > a {
  text-decoration: none;
  color: #f9f9f9;
}

.socials {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 25px 0 50px;
}

.socials > i {
  padding: 15px;
  background: #f9f9f9;
  margin-right: 10px;
  border-radius: 50%;
}


/* DESKTOP */
@media screen and (min-width: 700px) {
  nav,
  .md-section {
    padding: 0 40px;
  }

  .nav img {
    margin: 0;

  }

  .hero {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
    padding: 70px 40px;
    font-family: var(--headingsFamily);
    font-weight: var(--headingsWeightBold);
  }

  .hero > img {
    width: 600px;
  }

  .textbox {
    max-width: 600px;
  }

  .textbox > h3,
  .textbox > p {
    text-align: left;
  }

  .textbox > h3 {
    font-size: 38px;
  }

  .textbox > p {
    font-size: 18px;
    max-width: 550px;
  }

  .textbox > form {
    display: flex;
    gap: 10px;
    width: 100%;
  }

  .textbox > form > input {
    width: 65%;
  }

  .textbox > form > button {
    margin: 0;
    width: 40%;
  }

  .md-section {
    display: grid;
    align-items: flex-start;
    grid-template-areas:
      "a a a a a b b b b b b b"
      "c c c c c b b b b b b b";
  }

  .illustrator2 {
    grid-area: b;
    width: 500px;
  }

  .textbox2 {
    grid-area: a;
    width: 600px;
    margin-top: 0;
  }

  .textbox2 > h3,
  .textbox2 > p {
    text-align: left;
  }

  .textbox2 > h3 {
    font-size: 34px;
  }

  .textbox2 > p {
    width: 500px;
  }

  .textbox2 > a {
    margin: 0;
  }

  .testimonial-card {
    grid-area: c;
    width: 300px;
    margin: 30px 0;
  }

  .earlybird {
    display: flex;
    padding: 50px;
    font-family: var(--bodyFamily);
  }

  .earlybird > div {
    width: 400px;
    margin-right: auto;
    text-align: left;
  }

  .earlybird > div > h5 {
    font-size: 20px;

  }

  .earlybird > div > p {
    font-size: 13px;
    margin: 15px 0;
    line-height: 18px;
  }

  .earlybird > form {
    width: 500px;

  }

  .earlybird > form > input {
    margin: 0;
  }

  .earlybird > form > button {
    width: 30%;
    margin: 10px 0;
  }

  footer {
    padding: 50px;
  }
}

.foot-box {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
}

.contact {
  width: 25%;
  margin: 0 0 0 0;
}

.foot-menu {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  width: 100%;
}

.foot-menu > ul {
  list-style: none;
  margin: 20px;
}

.foot-menu > ul > li {
  margin: 0 0 20px;
}

.foot-menu a:hover, .socials i:hover {
  cursor: pointer;
  color: hsl(224, 92%, 66%);

}

.socials {
  width: 25%;
  margin: 20px 0;
  /* margin: 45px 0; */
}

.socials > i {
  padding: 0;
  background: #f9f9f9;
  margin-right: 10px;
  border-radius: 50%;
}