/* ------------------- */
/* Custom properties   */
/* ------------------- */
:root {
  --clr-cyan-400: 177 68% 64%;
  --clr-red-400: 12 94% 65%;
  --clr-orange-400: 33 100% 70%;

  --clr-neutral-200: 20 33% 98%;
  --clr-neutral-800: 244 23% 12%;

  --ff-sans: "IBM Plex Sans", sans-serif;

  --fs-400: 1rem;
  --fs-500: 1.125rem;
  --fs-600: 1.25rem;
  --fs-700: 2rem;
  --fs-800: 2.5rem;
  --fs-900: 4.0625rem;

  --lh-400: 1.625;
  --lh-500: 1.556;
  --lh-600: 1.6;
  --lh-700: 1.25;
  --lh-800: 1.2;
  --lh-900: 0.8;

  --fw-400: 400;
  --fw-700: 700;

  --ls: -0.45px;
}

@media (min-width: 45em) {
  :root {
    --fs-400: 1.125rem;
    --fs-800: 4rem;

    --lh-400: 1.556;
    --lh-800: 1;

    --ls: -0.73px;
  }
}

@media (min-width: 70em) {
  :root {
    --fs-400: 1.25rem;
    --fs-500: 1.25rem;
    --fs-700: 2.5rem;
    --fs-800: 5.5rem;

    --lh-400: 1.7;
    --lh-500: 1.7;
    --lh-700: 1.3;
    --lh-800: 1;

    --ls: -1px;
  }
}

/* ------------------- */
/* 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-400);
  background-color: hsl(var(--clr-neutral-200));
  color: hsl(var(--clr-neutral-800));
}

/* 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: 45em) {
  .container {
    margin-inline: 2.5rem;
  }
}

@media (min-width: 70em) {
  .container {
    margin-inline: 10.3125rem;
  }
}

/* ------------------- */
/* 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-cyan-400 {
  background-color: hsl(var(--clr-cyan-400));
}
.bg-red-400 {
  background-color: hsl(var(--clr-red-400));
}
.bg-orange-400 {
  background-color: hsl(var(--clr-orange-400));
}
.bg-neutral-200 {
  background-color: hsl(var(--clr-neutral-200));
}
.bg-neutral-800 {
  background-color: hsl(var(--clr-neutral-800));
}

.text-neutral-200 {
  color: hsl(var(--clr-neutral-200));
}
.text-neutral-800 {
  color: hsl(var(--clr-neutral-800));
}

.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);
}
.fs-700 {
  font-size: var(--fs-700);
  line-height: var(--lh-700);
}
.fs-800 {
  font-size: var(--fs-800);
  line-height: var(--lh-800);
}
.fs-900 {
  font-size: var(--fs-900);
  line-height: var(--lh-900);
}
.fs-1rem-fixed {
  font-size: 1rem;
  line-height: 1.625;
}

.fw-400 {
  font-weight: var(--fw-400);
}
.fw-700 {
  font-weight: var(--fw-700);
}

.ls-tight {
  letter-spacing: var(--ls);
}

.rounded-12 {
  border-radius: 12px;
}

/* ------------------- */
/* Block               */
/* ------------------- */
.landing {
  --grid-gap: 0;
  grid-template-rows: min-content auto min-content;
  grid-template-areas:
    "header"
    "main"
    "footer";
  min-height: 100vh;
  min-width: fit-content;
  background-image: url(/assets/bg-main-mobile.png);
  background-repeat: no-repeat;
  background-position: right -200px top -200px;
  padding-block: 2.5rem;
}

.landing > header {
  grid-area: header;
}

.landing > main {
  grid-area: main;
}

.landing > footer {
  grid-area: footer;
}

.intro {
  margin-top: 4rem;
}

.intro > h1 {
  max-width: 15ch;
}

.intro > p {
  max-width: 47ch;
  margin-top: 1.5rem;
}

.product {
  margin-top: 4.25rem;
  position: relative;
}

.product::before {
  content: "";
  position: absolute;
  top: 6.125rem;
  inset-inline: 0;
  min-height: 37.5rem;
  background-color: hsl(var(--clr-neutral-800));
  border-radius: 12px;
  background-image: url(/assets/bg-pattern-2.svg);
  background-repeat: no-repeat;
  background-position: center top;
  background-size: 280px;
}

.product > .illustration {
  position: relative;
  max-width: 13.0625rem;
  margin-inline: auto;
  z-index: 1;
}

.product > .cta {
  position: relative;
  padding: 3rem 2.25rem;
  margin-top: 3rem;
  z-index: 2;
}

.product > .cta .description {
  margin-top: 0.75rem;
}

.product > .cta .price {
  margin-block: 2.25rem 2rem;
  align-items: center;
}

.product > .cta button:last-of-type {
  margin-top: 1rem;
}

footer {
  --grid-gap: 2rem;
  grid-template-areas:
    "logo"
    "copy-contact"
    "social";
  margin-top: 4rem;
}

footer > img {
  grid-area: logo;
}

footer > .copyright-contact {
  grid-area: copy-contact;
  max-width: 40ch;
}

footer > ul {
  --flex-gap: 1.25rem;
  grid-area: social;
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}

footer > ul li::before {
  content: "\200B";
  display: block;
  height: 0;
}

footer > ul li a:hover img,
footer > ul li a:focus img {
  filter: invert(81%) sepia(43%) saturate(7373%) hue-rotate(326deg)
    brightness(100%) contrast(97%);
}

@media (min-width: 45em) {
  .landing {
    background-image: url(/assets/bg-pattern-1.svg),
      url(/assets/bg-main-tablet.png);
    background-position: right -40px top -40px, right -100px top -250px;
    background-size: 270px, auto;
    padding-block: 3.875rem 5.3125rem;
  }

  .intro {
    margin-top: 5.9375rem;
  }

  .intro > p {
    margin-top: 1.75rem;
  }

  .product {
    margin-top: 6.9375rem;
    margin-inline: 2.5rem;
  }

  .product::before {
    top: 8.625rem;
    background-position: left 55% top -15%;
  }

  .product > .illustration {
    max-width: 16.875rem;
    margin-inline: 3.5rem auto;
  }

  .product > .cta {
    max-width: 25rem;
    padding: 3rem;
    margin-top: -16.75rem;
    margin-inline: auto 3.625rem;
  }

  footer {
    --grid-gap: 2rem;
    grid-template-areas:
      "logo logo"
      "copy-contact social";
    margin-top: 5.5rem;
  }

  footer > ul {
    justify-self: flex-end;
    align-items: center;
    margin: 0;
  }
}

@media (min-width: 70em) {
  .landing {
    background-image: url(/assets/bg-pattern-1.svg),
      url(/assets/bg-main-desktop.png);
    background-position: right top -35px, right -180px top -260px;
    background-size: auto;
    padding-block: 3.875rem 5.75rem;
  }

  .intro {
    margin-top: 8rem;
  }

  .intro > h1 {
    max-width: 20ch;
  }

  .intro > p {
    max-width: 70ch;
    margin-top: 2.5rem;
  }

  .product {
    margin-top: 6.75rem;
    margin-inline: 10.3125rem;
  }

  .product::before {
    top: 13.25rem;
    background-position: left 42% top -30%;
    background-size: auto;
  }

  .product > .illustration {
    max-width: 19.5rem;
    margin-inline: 6.375rem auto;
  }

  .product > .cta {
    max-width: 27.875rem;
    padding: 3.5rem 3.375rem 3rem;
    margin-top: -21.25rem;
    margin-inline: auto 6rem;
  }

  .product > .cta .description {
    margin-top: 1.375rem;
  }

  .product > .cta .price {
    margin-block: 2.5rem 2.875rem;
  }

  .product > .cta button:last-of-type {
    margin-top: 1rem;
  }

  footer {
    grid-template-areas: "logo copy-contact social";
  }
}

/* ------------------- */
/* Exception           */
/* ------------------- */
.button {
  cursor: pointer;
  background-color: transparent;
  border: 0;
  padding: 0;
  font-size: 1.125rem;
  font-weight: var(--fw-700);
  line-height: 1.778;
  letter-spacing: -0.18px;
  text-align: center;
}

.button[data-type="primary"] {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.44em;
  padding: 0.8em 1.6em;
  border-radius: 12px;
  width: 100%;
  max-width: 18.5em;
  background-color: hsl(var(--clr-neutral-800));
  color: hsl(var(--clr-neutral-200));
  transition: background-color 200ms ease-in-out;
}

.button[data-type="primary"]:hover,
.button[data-type="primary"]:focus {
  background-color: hsl(var(--clr-cyan-400));
}

.button[data-type="secondary"] {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.44em;
  padding: 0.8em 1.6em;
  border-radius: 12px;
  width: 100%;
  max-width: 18.5em;
  background-color: hsl(var(--clr-neutral-200));
  color: hsl(var(--clr-neutral-800));
  transition: background-color 200ms ease-in-out;
}

.button[data-type="secondary"]:hover,
.button[data-type="secondary"]:focus {
  background-color: hsl(var(--clr-orange-400));
}