/* Reset */

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

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
figure,
hr,
blockquote,
a {
  margin: 0;
  padding: 0;
  list-style-type: none;
  text-decoration: none;
}

img {
  max-width: 100%;
}

button {
  border: none;
  background: none;
}

/* Variables */

:root {
  --grayish-blue-clr: hsl(237, 18%, 59%);
  --soft-red-clr: hsl(345, 95%, 68%);
  --white-clr: hsl(0, 0%, 100%);
  --dark-desaturated-clr: hsl(236, 21%, 26%);
  --very-dark-blue-clr: hsl(235, 16%, 14%);
  --very-dark-black-blue-clr: hsl(234, 17%, 12%);
  --fs: 0.875rem;
  --body-ff: "Red Hat Text", sans-serif;
}

/* Body */

body {
  font-family: var(--body-ff);
  font-size: var(--fs);
  font-weight: 700;
  background: url(../img/bg-stars.svg) no-repeat top left/100% 70vh,
    url(../img/pattern-hills.svg) no-repeat bottom/100%
      var(--very-dark-blue-clr);
}

/* Main */

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  min-height: 100vh;
  padding-block: 150px 100px;
}

.title {
  color: var(--white-clr);
  text-transform: uppercase;
  margin-block-end: 100px;
  letter-spacing: 10px;
  text-align: center;
}

.timer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.up-box,
.down-box {
  padding: 32px 0;
  position: relative;
}
.up-box {
  border-bottom: 1px solid transparent;
  background-color: hsla(236, 21%, 26%, 0.5);
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.down-box {
  background-color: var(--dark-desaturated-clr);
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  box-shadow: 0 5px 0px var(--very-dark-black-blue-clr);
}

.up-box::before,
.up-box::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 10px;
  height: 10px;
  background-color: var(--very-dark-blue-clr);
  border-radius: 50%;
  z-index: 1;
}

.up-box::before {
  left: 0;
  translate: -50% 50%;
}

.up-box::after {
  right: 0;
  translate: 50% 50%;
}

.number {
  color: var(--soft-red-clr);
  font-size: 2.5rem;
  position: absolute;
  left: 50%;
}

.up-box .number {
  bottom: 0;
  translate: -50% 50%;
}

.down-box .number {
  top: 0;
  translate: -50% -50%;
}

.text {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--grayish-blue-clr);
}

.social-media a:not(:last-child) {
  margin-inline-end: 24px;
}

/* Hover states */

.social-media img:hover {
  filter: invert(54%) sepia(40%) saturate(4811%) hue-rotate(315deg)
    brightness(110%) contrast(97%);
}

/* Media Queries */

@media all and (max-width: 768px) {
  main {
    margin-inline: 12px;
  }
}

@media all and (max-width: 414px) {
  main {
    padding-block: 50px;
  }

  .title {
    margin-block-end: 50px;
  }

  .timer {
    gap: 10px;
  }

  .up-box,
  .down-box {
    padding: 24px 0;
  }

  .text {
    letter-spacing: 2px;
  }
}