@import url("https://fonts.googleapis.com/css2?family=Alice:wght@700&display=swap");
@import url("assets/freeserif/font.css");

body {
  background: url(https://i.imgur.com/FnJbmo1.jpg) no-repeat top center #8ac1d6;
  background-size: cover;
  font-family: "Alice", cursive;
  display: flex;
  flex-direction: column;
}
 .header {
  max-width:900px;
  margin:auto;
  text-align: center;
 }

 .intro {
  width:80%;
  text-align: center;
  padding:10px;
  margin: -50px auto 0 auto;
  background: #ffffff50;
  border-radius: 0 0 10px 10px;
 }
/* calendar layout */
.calendar-grid {
  display: grid;
  width: 94%;
  max-width: 900px;
  margin: 3% auto 2rem auto;

  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  grid-gap: 1rem;

  transform: translate3d(0px, 0px, 0px);

  grid-template-areas:
    "title  title  title"
    "day1  day2   day3"
    "day4   day5  day6"
    "day7   day8  day9"
    "day10  day11  day12"
    "day13  day14   day15"
    "day16   day17  day18"
    "day19  day20  day21"
    "day22  day23  day24";
}

/* media query */
@media only screen and (min-width: 576px) {
  .calendar-grid {
    grid-template-columns: repeat(6, 1fr);
    grid-template-areas:
      "title  title  title  day1   day2  day3"
      "title  title  title  day4  day5  day6"
      "title  title  title  day7   day8  day9"
      "day10   day11  day12  day13  day14  day15  "
      "day16  day17  day18   day19  day24  day24"
      "day20   day21   day22   day23  day24  day24";
  }
}

/* title */
.calendar-grid .title {
  grid-area: title;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-grid .title h1 {
  font-size: 2rem;
  text-align: center;
  text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: row;
}

@media only screen and (min-width: 576px) {
  .calendar-grid .title h1 {
    font-size: 5rem;
    flex-direction: column;
  }
}

.calendar-grid .title-1 {
  color: #9c163f;
  display: block;
  transform: rotate(-10deg);
  margin-right: 1rem;
}

.calendar-grid .title-2 {
  color: #413486;
  display: block;
  transform: rotate(5deg);
  margin-right: 1rem;
}

.calendar-grid .title-3 {
  display: block;
  transform: rotate(-5deg);
}

/* opening/closing doors */
.calendar-grid .day {
  transform: translate3d(0px, 0px, 0px);
  position: relative;
}

.calendar-grid input {
  display: none;
}

.calendar-grid label {
  perspective: 1000px;
  transform-style: preserve-3d;
  cursor: pointer;
  display: flex;
  min-height: 100%;
  width: 100%;
  height: calc(85vw / 3);
  position: relative;
}

@media only screen and (min-width: 576px) {
  .calendar-grid label {
    height: 136px;
  }
}

.calendar-grid .door {
  width: 100%;
  transform-style: preserve-3d;
  transition: all 300ms;
  border: 2px dashed rgba(0, 0, 0, 0.2);
  border-radius: 0.6rem;
  transform-origin: 0% 50%;
}

.calendar-grid .door div {
  position: absolute;
  height: 100%;
  width: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #10303c;
  font-size: 3em;
  font-weight: bold;
  text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.2);
}

.calendar-grid .door .back {
  background: linear-gradient(to right, #384044, #2e454f);
  transform: rotateY(-180deg);
}

.calendar-grid label:hover .door {
  border-color: #10303c;
}

.calendar-grid :checked + .door {
  transform: rotateY(-180deg);
  border-color: #10303c;
  border-style: solid;
}

.calendar-grid .title-container {
  opacity: 0;
  transform: translateY(-1rem);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  z-index: 1000;
  bottom: -3.7rem;
  left: -10rem;
  right: -10rem;
  transition: all 400ms ease-in-out;
}

.calendar-grid :checked ~ .title-container {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.calendar-grid .title-container a {
  position: relative;
  display: inline-block;
  border-radius: 0.25rem;
  padding: 0.5rem 1rem;
  background-color: #1d3557;
  color: #f1faee;
  font-size: 1.2rem;
  white-space: nowrap;
  text-decoration: none;
}

.calendar-grid .title-container a::before {
  content: "";
  display: block;
  border-radius: 0.75rem;
  background: repeating-linear-gradient(
    -45deg,
    #f1faee 0,
    #f1faee 0.5rem,
    #e63946 0.5rem,
    #e63946 1rem
  );
  background-size: 1.44rem 1.44rem;
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.5);
  position: absolute;
  z-index: -1;
  top: -0.5rem;
  right: -0.5rem;
  bottom: -0.5rem;
  left: -0.5rem;
  -webkit-animation: calendar-item-link 0.6s infinite linear;
  animation: calendar-item-link 0.6s infinite linear;
  -webkit-animation-play-state: paused;
  animation-play-state: paused;
}

.calendar-grid .title-container a:hover::before {
  -webkit-animation-play-state: running;
  animation-play-state: running;
}

@-webkit-keyframes calendar-item-link {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 1.44rem 0;
  }
}

@keyframes calendar-item-link {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 1.44rem 0;
  }
}

.calendar-grid .inside {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 0.6rem;
  overflow: hidden;
  opacity: 0;
  transition: opacity 300ms ease-in-out;
}

.inside {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.inside img {
  flex-shrink: 0;
  min-width: 100%;
  min-height: 100%;
}

.calendar-grid .inside-empty {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: #2f4f8c;
  color: #ffffff;
}

.calendar-grid :checked ~ .inside {
  opacity: 1;
}

footer {
  margin-bottom: 1rem;
  margin-left: auto;
  margin-right: 1rem;
  opacity: 0.5;
  transition: opacity 400ms ease-in-out;
}

footer:hover {
  opacity: 1;
}

footer div {
  display: flex;
  align-items: center;
  background-color: #161e2b;
  border-radius: 0.4rem;
  overflow: hidden;
}

footer .footer-info {
  width: 2.8rem;
  text-align: center;
  font-family: "Times New Roman", serif;
  font-weight: bold;
  font-style: italic;
  font-size: 2.6rem;
  color: #ffffff;
}

footer div div {
  position: relative;
  margin-right: -15.3rem;
  display: inline-block;
  border-radius: 0.4rem;
  padding: 0.6rem 0.8rem 0.6rem 0.2rem;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.8rem;
  color: #80a7e7;
  line-height: 1.6rem;
  transition: all 500ms ease-in-out;
}

@media only screen and (min-width: 576px) {
  footer div div {
    font-size: 1rem;
    margin-right: -18.5rem;
  }
}

footer:hover div div {
  margin-right: 0px;
}

footer a {
  margin-left: 0.2rem;
  color: #ffffff;
}

/* Calendar day positions and z-indexes */
.calendar-grid .day-1 {
  grid-area: day1;
  z-index: 24;
}
.calendar-grid .day-2 {
  grid-area: day2;
  z-index: 23;
}
.calendar-grid .day-3 {
  grid-area: day3;
  z-index: 22;
}
.calendar-grid .day-4 {
  grid-area: day4;
  z-index: 21;
}
.calendar-grid .day-5 {
  grid-area: day5;
  z-index: 20;
}
.calendar-grid .day-6 {
  grid-area: day6;
  z-index: 19;
}
.calendar-grid .day-7 {
  grid-area: day7;
  z-index: 18;
}
.calendar-grid .day-8 {
  grid-area: day8;
  z-index: 17;
}
.calendar-grid .day-9 {
  grid-area: day9;
  z-index: 16;
}
.calendar-grid .day-10 {
  grid-area: day10;
  z-index: 15;
}
.calendar-grid .day-11 {
  grid-area: day11;
  z-index: 14;
}
.calendar-grid .day-12 {
  grid-area: day12;
  z-index: 13;
}
.calendar-grid .day-13 {
  grid-area: day13;
  z-index: 12;
}
.calendar-grid .day-14 {
  grid-area: day14;
  z-index: 11;
}
.calendar-grid .day-15 {
  grid-area: day15;
  z-index: 10;
}
.calendar-grid .day-16 {
  grid-area: day16;
  z-index: 9;
}
.calendar-grid .day-17 {
  grid-area: day17;
  z-index: 8;
}
.calendar-grid .day-18 {
  grid-area: day18;
  z-index: 7;
}
.calendar-grid .day-19 {
  grid-area: day19;
  z-index: 6;
}
.calendar-grid .day-20 {
  grid-area: day20;
  z-index: 5;
}
.calendar-grid .day-21 {
  grid-area: day21;
  z-index: 4;
}
.calendar-grid .day-22 {
  grid-area: day22;
  z-index: 3;
}
.calendar-grid .day-23 {
  grid-area: day23;
  z-index: 2;
}
.calendar-grid .day-24 {
  grid-area: day24;
  z-index: 1;
}

@media only screen and (min-width: 576px) {
  .calendar-grid .day-1 {
    z-index: 24;
  }
  .calendar-grid .day-2 {
    z-index: 23;
  }
  .calendar-grid .day-3 {
    z-index: 22;
  }
  .calendar-grid .day-4 {
    z-index: 21;
  }
  .calendar-grid .day-5 {
    z-index: 20;
  }
  .calendar-grid .day-6 {
    z-index: 19;
  }
  .calendar-grid .day-7 {
    z-index: 18;
  }
  .calendar-grid .day-8 {
    z-index: 17;
  }
  .calendar-grid .day-9 {
    z-index: 16;
  }
  .calendar-grid .day-10 {
    z-index: 15;
  }
  .calendar-grid .day-11 {
    z-index: 14;
  }
  .calendar-grid .day-12 {
    z-index: 13;
  }
  .calendar-grid .day-13 {
    z-index: 12;
  }
  .calendar-grid .day-14 {
    z-index: 11;
  }
  .calendar-grid .day-15 {
    z-index: 10;
  }
  .calendar-grid .day-16 {
    z-index: 9;
  }
  .calendar-grid .day-17 {
    z-index: 8;
  }
  .calendar-grid .day-18 {
    z-index: 7;
  }
  .calendar-grid .day-19 {
    z-index: 6;
  }
  .calendar-grid .day-20 {
    z-index: 5;
  }
  .calendar-grid .day-21 {
    z-index: 4;
  }
  .calendar-grid .day-22 {
    z-index: 3;
  }
  .calendar-grid .day-23 {
    z-index: 2;
  }
  .calendar-grid .day-24 {
    z-index: 1;
  }
}

@media only screen and (max-width: 575px) {
  .calendar-grid .day-2 .title-container,
  .calendar-grid .day-5 .title-container,
  .calendar-grid .day-9 .title-container,
  .calendar-grid .day-12 .title-container,
  .calendar-grid .day-15 .title-container,
  .calendar-grid .day-16 .title-container,
  .calendar-grid .day-20 .title-container,
  .calendar-grid .day-22 .title-container {
    left: 0;
    right: auto;
  }

  .calendar-grid .day-4 .title-container,
  .calendar-grid .day-6 .title-container,
  .calendar-grid .day-7 .title-container,
  .calendar-grid .day-8 .title-container,
  .calendar-grid .day-11 .title-container,
  .calendar-grid .day-13 .title-container,
  .calendar-grid .day-17 .title-container,
  .calendar-grid .day-19 .title-container {
    left: auto;
    right: 0;
  }
}
.animation_container img {
  width:20%;
}