/* ------------------- */
/* Custom properties   */
/* ------------------- */
:root {
  --clr-teal-200: 192 90% 77%;
  --clr-teal-300: 192 54% 64%;
  --clr-teal-400: 192 37% 48%;
  --clr-violet-200: 268 100% 86%;
  --clr-violet-300: 268 55% 71%;
  --clr-violet-400: 268 34% 53%;

  --clr-neutral-100: 0 0% 100%;
  --clr-neutral-200: 0 0% 98%;
  --clr-neutral-300: 240 10% 57%;
  --clr-neutral-400: 240 21% 20%;

  --ff-sans: "Red Hat Display", sans-serif;

  --fs-300: 1rem;
  --fs-400: 1rem;
  --fs-500: 2rem;
  --fs-600: 2.5rem;

  --lh-300: 1.625;
  --lh-400: 1.625;
  --lh-500: 1.125;
  --lh-600: 1.1;

  --fw-500: 500;
  --fw-900: 900;
}

@media (min-width: 40em) {
  :root {
    --fs-500: 2.5rem;
    --fs-600: 3rem;

    --lh-500: 1.1;
    --lh-600: 1;
  }
}

@media (min-width: 65em) {
  :root {
    --fs-400: 1.125rem;
    --fs-600: 4rem;

    --lh-400: 1.44;
    --lh-600: 1;
  }
}

/* ------------------- */
/* Reset               */
/* ------------------- */

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role="list"],
ol[role="list"] {
  list-style: none;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: var(--lh-400);
  font-family: var(--ff-sans);
  font-size: var(--fs-400);
  font-weight: var(--fw-500);
  background-color: hsl(var(--clr-neutral-200));
  color: hsl(var(--clr-neutral-300));
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------- */
/* Composition         */
/* ------------------- */
.flex {
  display: flex;
  gap: var(--flex-gap, 1rem);
}

.grid {
  display: grid;
  gap: var(--grid-gap, 1rem);
}

.space-y > *:where(:not(:first-child)) {
  margin-top: var(--space, 1rem);
}

.container {
  margin-inline: 1.5rem;
}

@media (min-width: 40em) {
  .container {
    margin-inline: 2.5rem;
  }
}

/* ------------------- */
/* Utility             */
/* ------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.bg-teal-200 {
  background-color: hsl(var(--clr-teal-200));
}
.bg-teal-400 {
  background-color: hsl(var(--clr-teal-400));
}
.bg-violet-200 {
  background-color: hsl(var(--clr-violet-200));
}
.bg-violet-400 {
  background-color: hsl(var(--clr-violet-400));
}
.bg-neutral-100 {
  background-color: hsl(var(--clr-neutral-100));
}
.bg-neutral-200 {
  background-color: hsl(var(--clr-neutral-200));
}
.bg-neutral-300 {
  background-color: hsl(var(--clr-neutral-300));
}
.bg-neutral-400 {
  background-color: hsl(var(--clr-neutral-400));
}

.text-teal-200 {
  color: hsl(var(--clr-teal-200));
}
.text-teal-400 {
  color: hsl(var(--clr-teal-400));
}
.text-violet-200 {
  color: hsl(var(--clr-violet-200));
}
.text-violet-400 {
  color: hsl(var(--clr-violet-400));
}
.text-neutral-100 {
  color: hsl(var(--clr-neutral-100));
}
.text-neutral-200 {
  color: hsl(var(--clr-neutral-200));
}
.text-neutral-300 {
  color: hsl(var(--clr-neutral-300));
}
.text-neutral-400 {
  color: hsl(var(--clr-neutral-400));
}

.fs-300 {
  font-size: var(--fs-300);
  line-height: var(--lh-300);
}
.fs-400 {
  font-size: var(--fs-400);
  line-height: var(--lh-400);
}
.fs-500 {
  font-size: var(--fs-500);
  line-height: var(--lh-500);
}
.fs-600 {
  font-size: var(--fs-600);
  line-height: var(--lh-600);
}

.fw-500 {
  font-weight: var(--fw-500);
}
.fw-900 {
  font-weight: var(--fw-900);
}

.ls-4 {
  letter-spacing: 4px;
}

.uppercase {
  text-transform: uppercase;
}

/* ------------------- */
/* Block               */
/* ------------------- */
.line {
  width: 1px;
  min-height: 5.25rem;
  background-color: hsl(var(--clr-neutral-300) / 0.25);
  margin-inline: auto;
}

.circle {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  min-width: 3.5rem;
  border-radius: 50%;
  border: 1px solid hsl(var(--clr-neutral-300) / 0.25);
  background-color: hsl(var(--clr-neutral-200));
  color: hsl(var(--clr-neutral-300));
}

.divider {
  max-width: 3.5rem;
  margin-inline: auto;
}

.landing {
  --grid-gap: 0;
  grid-template-rows: 1fr auto;
  overflow-x: hidden;
  text-align: center;
}

.landing > main {
  padding-top: 3rem;
}

.logo {
  margin-inline: auto;
}

.intro {
  --grid-gap: 0;
  margin-top: 3.375rem;
}

.intro-hero {
  min-width: 110%;
  transform: translateX(-5%);
  margin-inline: auto;
  display: block;
}

.intro-hero-left,
.intro-hero-right {
  display: none;
}

.intro-content {
  margin-top: 3rem;
}

.intro-content > h1 {
  max-width: 10ch;
  margin-inline: auto;
}

.intro-content > p {
  max-width: 40ch;
  margin-inline: auto;
  margin-top: 1.5rem;
}

.intro-content > .button-group {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 2rem;
}

.split-1 {
  margin-block: 4rem;
}

.features > .image-gallery {
  --grid-gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
  max-width: 69.375rem;
  margin-inline: auto;
}

.features > .image-gallery img {
  border-radius: 8px;
}

.features > .overline {
  margin-top: 4rem;
}

.features > h2 {
  max-width: 16ch;
  margin-inline: auto;
  margin-top: 1.5rem;
}

.features > .description {
  max-width: 54ch;
  margin-inline: auto;
  margin-top: 2rem;
}

.split-2 {
  margin-bottom: -1.75rem;
  position: relative;
  z-index: 1;
  margin-top: 4rem;
}

.footer-banner {
  background-color: hsl(var(--clr-teal-400));
  position: relative;
  padding-block: 5.75rem 4.5rem;
}

.footer-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url(/assets/mobile/image-footer.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.1;
}

.footer-content {
  --flex-gap: 1.5rem;
  flex-direction: column;
  align-items: center;
}

.footer-content > h2 {
  max-width: 16ch;
}

.footer-content > p {
  max-width: 48ch;
}

.footer-content > button {
  margin-top: 0.5rem;
}

/* tablet */
@media (min-width: 40em) {
  .intro {
    margin-top: 4rem;
  }

  .intro-content {
    margin-top: 4.5rem;
  }

  .intro-content > .button-group {
    flex-direction: row;
  }

  .split-1 {
    margin-block: 5rem 4.25rem;
  }

  .features > .image-gallery {
    --grid-gap: 0.75rem;
    grid-template-columns: repeat(4, 1fr);
  }

  .features > .overline {
    margin-top: 3rem;
  }

  .features > h2 {
    margin-top: 1rem;
  }

  .split-2 {
    margin-top: 5rem;
  }

  .footer-banner {
    padding-block: 5.75rem 4.25rem;
  }

  .footer-banner::before {
    background-image: url(/assets/tablet/image-footer.jpg);
  }

  .footer-content {
    --flex-gap: 2rem;
  }
}

/* desktop */
@media (min-width: 65em) {
  .landing > main {
    padding-top: 5rem;
  }

  .intro {
    grid-template-columns: auto minmax(max-content, 1fr) auto;
    grid-template-areas: "left middle right";
    margin-top: 3.75rem;
    align-items: center;
  }

  .intro-hero {
    display: none;
  }

  .intro-hero-left {
    display: block;
    grid-area: left;
    justify-self: flex-start;
    min-width: 110%;
    transform: translateX(-10%);
  }

  .intro-hero-right {
    display: block;
    grid-area: right;
    justify-self: flex-end;
    min-width: 110%;
    transform: translateX(10%);
  }

  .intro-content {
    grid-area: middle;
    margin-top: 3rem;
  }

  .intro-content > p {
    max-width: 45ch;
    margin-top: 2.125rem;
  }

  .split-1 {
    margin-block: 7.25rem 4rem;
  }

  .features > .image-gallery {
    --grid-gap: 1.875rem;
    grid-template-columns: repeat(4, 1fr);
  }

  .features > .overline {
    margin-top: 5rem;
  }

  .features > .description {
    max-width: 45ch;
  }

  .split-2 {
    margin-top: 4.5rem;
  }

  .footer-banner {
    padding-block: 7.25rem 6.5rem;
  }

  .footer-banner::before {
    background-image: url(/assets/desktop/image-footer.jpg);
  }

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: start;
    margin-inline: 10.3125rem;
  }

  .footer-content > p {
    max-width: 29ch;
  }

  .footer-content > button {
    margin-top: 0;
    flex-shrink: 0;
  }
}

/* ------------------- */
/* Exception           */
/* ------------------- */
.button {
  cursor: pointer;
  background-color: transparent;
  border: 0;
  padding: 0;
  font-size: var(--fs-300);
  font-weight: var(--fw-900);
  line-height: var(----lh-300);
}

.button[data-type="primary"] {
  color: hsl(var(--clr-neutral-100));
  background-color: hsl(var(--clr-teal-400));
  border-radius: 1.8125em;
  text-align: center;
  transition: background-color 200ms ease-in-out;
}

.button[data-type="primary"]:hover,
.button[data-type="primary"]:focus {
  background-color: hsl(var(--clr-teal-300));
}

.button[data-type="secondary"] {
  color: hsl(var(--clr-neutral-100));
  background-color: hsl(var(--clr-violet-400));
  border-radius: 1.8125em;
  text-align: center;
  transition: background-color 200ms ease-in-out;
}

.button[data-type="secondary"]:hover,
.button[data-type="secondary"]:focus {
  background-color: hsl(var(--clr-violet-300));
}

.button[data-size="normal"] {
  padding: 1em 1.875em;
}

.button[data-size="large"] {
  padding: 1em 2.5em;
}