@import url("https://fonts.googleapis.com/css2?family=Red+Hat+Display:ital,wght@0,300..900;1,300..900&display=swap");

:root {
  --cyan-300: hsl(192, 90%, 77%);
  --cyan-400: hsl(192, 54%, 64%);
  --cyan-600: hsl(192, 37%, 48%);
  --purple-300: hsl(268, 100%, 86%);
  --purple-400: hsl(268, 55%, 71%);
  --purple-600: hsl(268, 34%, 53%);
  --slate-300: hsl(240, 18%, 85%);
  --slate-600: hsl(240, 10%, 57%);
  --slate-900: hsl(240, 21%, 20%);
  --white: hsl(0, 0%, 98%);
}

html {
  font-family: "Red Hat Display", sans-serif;
  color: var(--slate-900);
  background-color: var(--white);
}

body {
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  margin: 2rem 0;
}

img {
  max-width: 100%;
}

h1 {
  font-size: clamp(2.8rem, 4vw, 4rem);
  line-height: 1.1;
  font-weight: 900;
  margin: 1rem;
}

h2 {
  font-size: clamp(2.5rem, 4vw, 3.9rem);
  line-height: 1.1;
  font-weight: 900;
  margin: 1rem;
}

p {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.6;
  font-weight: 400;
  color: var(--slate-600);
  margin: 2rem;
}

img.mobile-hero {
  max-width: 110%;
  margin: 2rem -2rem;
}

img.left-image,
img.right-image {
  display: none;
}

.hero {
  overflow: hidden;
  text-align: center;
  margin-bottom: 3rem;
}

.links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

a.button {
  padding: 1rem 2.5rem;
  border-radius: 2rem;
  text-decoration: none;
  font-weight: 900;
  transition: background-color 0.3s ease;
}

a.button.cyan {
  background-color: var(--cyan-600);
  color: var(--white);
}

a.button.cyan:hover,
a.button.cyan:focus,
a.button.cyan:active {
  background-color: var(--cyan-400);
}

a.button.cyan .version {
  color: var(--cyan-300);
}

a.button.purple {
  background-color: var(--purple-600);
  color: var(--white);
}

a.button.purple:hover,
a.button.purple:focus,
a.button.purple:active {
  background-color: var(--purple-400);
}

a.button.purple .version {
  color: var(--purple-300);
}

.one {
  text-align: center;
  margin-bottom: 4rem;
}

.vertical-line {
  width: 1px;
  height: 100px;
  background-color: var(--slate-300);
  margin: 0 auto;
}

.circle {
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  background-color: var(--white);
  border: 1px solid var(--slate-300);
  border-radius: 2rem;
  width: 4rem;
  height: 4rem;
  position: relative;
  z-index: 100;
}

.photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 4rem 2rem;
}

.photo-grid img {
  border-radius: 0.5rem;
}

.tagline {
  letter-spacing: 0.4rem;
  color: var(--cyan-600);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
}

.two {
  text-align: center;
}
.two .background-image {
  background: var(--cyan-600) url("assets/mobile/image-footer.jpg") center/cover
    no-repeat;
  margin-top: -2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background-blend-mode: multiply;
  color: var(--white);
  position: relative;
}

.background-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--cyan-600);
  opacity: 0.8;
  pointer-events: none;
  z-index: 0;
}

.background-image > * {
  z-index: 50;
}

.background-image p {
  color: var(--white);
}

@media (min-width: 42rem) {
  .links {
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }
  .photo-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .max-33 {
    max-width: 33rem;
    margin: 2rem auto;
  }
  .two .background-image {
    background: var(--cyan-600) url("assets/tablet/image-footer.jpg")
      center/cover no-repeat;
  }
}

@media (min-width: 80rem) {
  .photo-grid {
    max-width: 80rem;
    margin: 4rem auto;
  }
  .one .max-33 {
    max-width: 44rem;
  }
  img.mobile-hero {
    display: none;
  }
  img.left-image {
    display: block;
    position: absolute;
    left: -1rem;
    top: 4rem;
  }
  img.right-image {
    display: block;
    position: absolute;
    right: -1rem;
    top: 4rem;
  }
  .two .background-image {
    background: var(--cyan-600) url("assets/desktop/image-footer.jpg")
      center/cover no-repeat;
    display: grid;
    grid-template-columns: 2fr 2fr 1fr;
    gap: 4rem;
    text-align: left;
    padding: 4rem;
  }
}