@import url("https://fonts.googleapis.com/css2?family=Libre+Franklin:wght@300;400;600;700&display=swap");

:root {
  --Typeface: "Libre Franklin", sans-serif;

  /* Primary */
  --Colour-Blue: hsl(223, 87%, 63%);
  /* Secondary */
  --Colour-Pale-Blue: hsl(223, 100%, 88%);
  --Colour-Light-Red: hsl(354, 100%, 66%);
  /* Neutral */
  --Colour-Gray: hsl(0, 0%, 59%);
  --Colour-Very-Dark-Blue: hsl(209, 33%, 12%);

  --max-width: 640px;
  --border-radius-of-input-section: 32px;
  --Input-padding: 20px;

  --Trasnition-time: 0.25s;
}

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

body {
  font-family: var(--Typeface);
  color: var(--Colour-Very-Dark-Blue);
  font-weight: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100vw;
  min-height: 100vh;
  padding: 0 16px;
}
.header {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
#logo {
  width: 86px;
  margin-top: 86px;
  margin-bottom: 56px;
}

h1 {
  font-weight: 300;
  color: var(--Colour-Gray);
  margin-bottom: 24px;
  text-align: center;
}

h1 b {
  font-weight: 700;
  color: var(--Colour-Very-Dark-Blue);
}

.message {
  margin-bottom: 40px;
  text-align: center;
}

.input-section {
  position: relative;
  max-width: var(--max-width);
  width: 100%;

  display: flex;
  margin-bottom: 96px;
}

.input-section .input-box {
  flex: 1;
  margin-right: 16px;
}

.input-section input {
  padding: var(--Input-padding);
  width: 100%;
  border-radius: var(
    --border-radius-of-input-section
  );
  font-family: var(--Typeface);
  border: 1px solid var(--Colour-Pale-Blue);
  color: var(--Colour-Very-Dark-Blue);
  outline: none;
}

.input-section input:placeholder-shown {
  color: var(--Colour-Pale-Blue);
}

.input-section input:invalid {
  border-color: var(--Colour-Light-Red);
}

input:invalid + .input-err {
  display: block;
}

.input-section button {
  padding: 20px 64px;
  border-radius: var(
    --border-radius-of-input-section
  );
  background-color: var(--Colour-Blue);
  color: #fff;
  border: none;
  letter-spacing: 1px;
  transition: var(--Trasnition-time);
  box-shadow: 0px 8px 16px var(--Colour-Pale-Blue);
}

.input-section button:hover {
  filter: brightness(1.25);
}

.input-section .input-err {
  display: none;
  position: absolute;
  transform: translate(var(--Input-padding), 8px);
  font-size: 12px;
  color: var(--Colour-Light-Red);
}

#illustration-dashboard {
  max-width: var(--max-width);
  margin-bottom: 72px;
  width: 100%;
}

.social-icons {
  display: flex;
  margin-bottom: 28px;
  align-items: center;
  justify-content: center;
}

.social-icons i {
  cursor: pointer;

  color: var(--Colour-Blue);

  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--Colour-Pale-Blue);

  display: flex;
  align-items: center;
  justify-content: center;

  transition: var(--Trasnition-time);
}

.social-icons i:not(.social-icons i:first-child) {
  margin-left: 16px;
}

.social-icons i:hover {
  background-color: var(--Colour-Blue);
  color: #fff;
  border-color: var(--Colour-Blue);
}

@media screen and (max-width: 500px) {
  .input-section {
    flex-direction: column;
  }

  .input-section .input-box {
    margin-right: 0px;
    margin-bottom: 20px;
  }

  .input-err {
    position: static !important;
  }
}

.attribution {
  color: var(--Colour-Gray);
  font-size: 15px;
  text-align: center;
  margin-bottom: 16px;
}
.attribution a {
  color: var(--Colour-Blue);
}