/* defaults */
/* =============================================== */
*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  --light: hsl(0, 0%, 100%);
  --background: linear-gradient(to right bottom, hsl(236, 50%, 50%), hsl(195, 50%, 50%));

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

  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Open Sans', sans-serif;

  min-height: 100vh;
  background: linear-gradient(to bottom, hsl(236, 50%, 98%), hsl(236, 50%, 94%));
}

a,
a:link {
  font-family: inherit;
  text-decoration: none;
}

/* modal */
/* =============================================== */
.modal-container {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;

  display: none;
  justify-content: center;
  align-items: center;

  width: 100%;
  height: 100%;

  background: hsla(0, 0%, 40%, .6);
}

/* using :target */
.modal-container:target {
  display: flex;
}

.modal {
  width: 60rem;
  padding: 4rem 2rem;
  border-radius: .8rem;

  color: var(--light);
  background: var(--background);
  box-shadow: .4rem .4rem 2.4rem .2rem hsla(236, 50%, 50%, 0.3);
  position: relative;

  overflow: hidden;
}

.modal__details {
  text-align: center;

  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid hsla(0, 0%, 100%, .4);
}

.modal__title {
  font-size: 3.2rem;
}

.modal__description {
  margin-top: 2rem;

  font-size: 1.6rem;
  font-style: italic;
}

.modal__text {
  padding: 0 4rem;
  margin-bottom: 4rem;

  font-size: 1.6rem;
  line-height: 2;
}

.modal__text::before {
  content: '';

  position: absolute;
  top: 0%;
  left: 100%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);

  width: 18rem;
  height: 18rem;
  border: 1px solid hsla(0, 0%, 100%, .2);
  border-radius: 100rem;

  pointer-events: none;
}

.modal__btn {
  padding: 1rem 1.6rem;
  border: 1px solid hsla(0, 0%, 100%, .4);
  border-radius: 100rem;

  color: inherit;
  background: transparent;
  font-size: 1.4rem;
  font-family: inherit;
  letter-spacing: .2rem;

  transition: .2s;
  cursor: pointer;
}

.modal__btn:hover,
.modal__btn:focus {
  border-color: hsla(0, 0%, 100%, .6);
  -webkit-transform: translateY(-.2rem);
          transform: translateY(-.2rem);
}

/* links */
/* =============================================== */
.link-1 {
  font-size: 1.8rem;

  color: var(--light);
  background: var(--background);
  box-shadow: .4rem .4rem 2.4rem .2rem hsla(236, 50%, 50%, 0.3);
  border-radius: 100rem;
  padding: 1.4rem 3.2rem;

  transition: .2s;
}

.link-1:hover,
.link-1:focus {
  -webkit-transform: translateY(-.2rem);
          transform: translateY(-.2rem);
  box-shadow: 0 0 4.4rem .2rem hsla(236, 50%, 50%, 0.4);
}

.link-2 {
  width: 4rem;
  height: 4rem;
  border: 1px solid hsla(0, 0%, 100%, .4);
  border-radius: 100rem;

  color: inherit;
  font-size: 2.2rem;

  position: absolute;
  top: 2rem;
  right: 2rem;

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

  transition: .2s;
}

.link-2::before {
  content: '×';

  -webkit-transform: translateY(-.1rem);

          transform: translateY(-.1rem);
}

.link-2:hover,
.link-2:focus {
  border-color: hsla(0, 0%, 100%, .6);
  -webkit-transform: translateY(-.2rem);
          transform: translateY(-.2rem);
}