:root {
  --max-width: 1100px;
  --border-radius: 12px;
  --foreground-rgb: 0, 0, 0;
  --background-start-rgb: 214, 219, 220;
  --background-end-rgb: 255, 255, 255;

  --primary-glow: conic-gradient(
    from 180deg at 50% 50%,
    #16abff33 0deg,
    #0885ff33 55deg,
    #54d6ff33 120deg,
    #0071ff33 160deg,
    transparent 360deg
  );
  --secondary-glow: radial-gradient(
    rgba(255, 255, 255, 1),
    rgba(255, 255, 255, 0)
  );

  --tile-start-rgb: 239, 245, 249;
  --tile-end-rgb: 228, 232, 233;
  --tile-border: conic-gradient(
    #00000080,
    #00000040,
    #00000030,
    #00000020,
    #00000010,
    #00000010,
    #00000080
  );

  --callout-rgb: 238, 240, 241;
  --callout-border-rgb: 172, 175, 176;
  --card-rgb: 180, 185, 188;
  --card-border-rgb: 131, 134, 135;
}

@media (prefers-color-scheme: dark) {
  :root {
    --foreground-rgb: 255, 255, 255;
    --background-start-rgb: 0, 0, 0;
    --background-end-rgb: 0, 0, 0;

    --primary-glow: radial-gradient(rgba(1, 65, 255, 0.4), rgba(1, 65, 255, 0));
    --secondary-glow: linear-gradient(
      to bottom right,
      rgba(1, 65, 255, 0),
      rgba(1, 65, 255, 0),
      rgba(1, 65, 255, 0.3)
    );

    --tile-start-rgb: 2, 13, 46;
    --tile-end-rgb: 2, 5, 19;
    --tile-border: conic-gradient(
      #ffffff80,
      #ffffff40,
      #ffffff30,
      #ffffff20,
      #ffffff10,
      #ffffff10,
      #ffffff80
    );

    --callout-rgb: 20, 20, 20;
    --callout-border-rgb: 108, 108, 108;
    --card-rgb: 100, 100, 100;
    --card-border-rgb: 200, 200, 200;
  }
}

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

html,
body {
  max-width: 100vw;
  overflow-x: hidden;
  font-family: sans-serif;
}

body {
  color: rgb(var(--foreground-rgb));
  background: linear-gradient(
      to bottom,
      transparent,
      rgb(var(--background-end-rgb))
    )
    rgb(var(--background-start-rgb));
}

a {
  color: inherit;
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  html {
    color-scheme: dark;
  }
}
.main-container {
  display: grid;
  height: 100vh;
  width: 100vw;
  place-items: center;
}

.main {
  flex-direction: column; 
align-items: center;
gap: 112px;
}

.main-title {
  font-size: 36px;
  line-height: 40px;
  font-weight: normal;
  text-align: center;
}
.description {
  display: inherit;
  justify-content: inherit;
  align-items: inherit;
  font-size: 0.85rem;
  max-width: var(--max-width);
  width: 100%;
  z-index: 2;
}

.description a {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.description p {
  position: relative;
  margin: 0;
  padding: 1rem;
  background-color: rgba(var(--callout-rgb), 0.5);
  border: 1px solid rgba(var(--callout-border-rgb), 0.3);
  border-radius: var(--border-radius);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(25%, auto));
  max-width: 100%;
  width: var(--max-width);
}

.card {
  padding: 1rem 1.2rem;
}

.card span {
  display: inline-block;
  transition: transform 200ms;
}

.card h2 {
  font-size: 20px;
  margin-bottom: 0.7rem;
  font-weight: normal;
}

.card p {
  margin: 0;
  opacity: 0.6;
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 30ch;
  text-wrap: balance;
  font-weight: normal;
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 4rem 0;
}

.center::before {
  background: var(--secondary-glow);
  border-radius: 50%;
  width: 480px;
  height: 360px;
  margin-left: -400px;
}

.center::after {
  background: var(--primary-glow);
  width: 240px;
  height: 180px;
  z-index: -1;
}

.center::before,
.center::after {
  content: "";
  left: 50%;
  position: absolute;
  filter: blur(45px);
  transform: translateZ(0);
}

.logo {
  position: relative;
  height: 176px;
  width: 176px;
}

.link {
  flex-direction: column; 
  align-items: center;
  gap: 6px;
}

/* Mobile */
@media (max-width: 700px) {
  .content {
    padding: 4rem;
  }

  .main-title {
    font-size: 30px;
  }

  .grid {
    grid-template-columns: 1fr;
    place-items: center;
    margin-bottom: 120px;
    width: 100%;
    text-align: center;
  }

  .card {
    padding: 1rem 2.5rem;
  }

  .card h2 {
    margin-bottom: 0.5rem;
  }

  .center {
    padding: 8rem 0 6rem;
  }

  .center::before {
    transform: none;
    height: 300px;
  }

  .description {
    font-size: 0.8rem;
  }

  .description a {
    padding: 1rem;
  }

  .description p,
  .description div {
    display: flex;
    justify-content: center;
    position: fixed;
    width: 100%;
  }

  .description p {
    align-items: center;
    inset: 0 0 auto;
    padding: 2rem 1rem 1.4rem;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid rgba(var(--callout-border-rgb), 0.25);
    background: linear-gradient(
      to bottom,
      rgba(var(--background-start-rgb), 1),
      rgba(var(--callout-rgb), 0.5)
    );
    background-clip: padding-box;
    backdrop-filter: blur(24px);
  }

  .description div {
    align-items: flex-end;
    pointer-events: none;
    inset: auto 0 0;
    padding: 2rem;
    height: 200px;
    background: linear-gradient(
      to bottom,
      transparent 0%,
      rgb(var(--background-end-rgb)) 40%
    );
    z-index: 1;
  }
}


@media (min-width: 701px) and (max-width: 768px) {
  .grid {
    grid-template-columns: repeat(3, 30%);
    width: 45rem;
    place-content: center;
  }
}

@media (min-width: 780px) and (max-width: 1120px) {
  .grid {
    grid-template-columns: repeat(3, 33%);
    width: 60rem;
    place-content: center;
  }
}