/* CSS RESETS */

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

/* Prevent font size inflation */
html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

h1, h2, h3, h4 {
  line-height: 1.2; /* Set shorter line heights on headings and interactive elements */
  text-wrap: balance; /* Balance text wrapping on headings */
}

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

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

/* For accessibility purposes only */
.visually-hidden:not(:focus):not(:active) {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0); /* Legacy property for Internet Explorer */
  clip-path: inset(50%);
  white-space: nowrap;
}

/* FONTS */

/* plus-jakarta-sans-500 - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 500;
  src: url('../fonts/plus-jakarta-sans-v12-latin-500.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}

/* plus-jakarta-sans-700 - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/plus-jakarta-sans-v12-latin-700.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}

/* plus-jakarta-sans-800 - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 800;
  src: url('../fonts/plus-jakarta-sans-v12-latin-800.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}

/* CUSTOM VARIABLES */

:root {

    /* COLORS */
    --clr-blue-900: hsl(233, 54%, 16%);
    --clr-blue-600: hsl(234, 25%, 52%);
    --clr-pink-600: hsl(341, 92%, 62%);
    --clr-pink-300: hsl(341, 100%, 83%);
    --clr-grey: hsl(232, 10%, 56%);
    --clr-white: hsl(0, 0%, 100%);
    --gradient-pink: linear-gradient(to top, hsl(322, 87%, 55%), hsl(13, 100%, 64%));
    --gradient-purple: linear-gradient(to bottom, hsl(237, 100%, 64%), hsl(322, 87%, 55%));
    --gradient-purple-light: linear-gradient(to bottom, hsl(237, 100%, 74%), hsl(322, 87%, 65%));

    /* TYPOGRAPHY */
    --ff-main: "Plus Jakarta Sans", sans-serif;
    --fs-body: 1.125rem;

    /* SPACINGS */
    --space-100: 0.5rem;
    --space-150: 0.75rem;
    --space-200: 1rem;
    --space-250: 1.25rem;
    --space-300: 1.5rem;
    --space-400: 2rem;
    --space-500: 2.5rem;
    --space-550: 2.75rem;
    --space-600: 3rem;
    --space-700: 3.5rem;
    --space-800: 4rem;
    --space-1000: 5rem;
    --space-1600: 8rem;
    --space-1800: 9rem;

    /* BORDER RADIUS */
    --rounded-28: 1.75rem;
    --rounded-15: 0.938rem;
}

body {
  font-family: var(--ff-main);
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 1.5;
  color: var(--clr-grey);
  background-color: var(--clr-white);
  min-height: 100vh;
  overflow-x: hidden;
}

.wrapper {
  max-width: 70rem;
  width: 100%;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  color: var(--clr-white);
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--rounded-28);
  padding-block: clamp(0.6563rem, 1.328rem + -1.3995vw, 1rem);
  padding-inline: clamp(1.5rem, 2.4771rem + -2.0356vw, 2rem);
  transition: opacity 300ms ease, background-color 300ms ease;
  cursor: pointer;
}

.btn--black {
  background-color: var(--clr-blue-900);
}

.btn--black:hover {
  background-color: var(--clr-blue-600);
  opacity: 1;
}

.btn--orange {
  background: var(--gradient-pink);
}

.btn--orange:hover {
  opacity: 0.5;
}

.btn--purple {
  position: relative;
  background: var(--gradient-purple);
}

.btn--purple::after {
  content: "";
  position: absolute;
  inset: 0;
  display: block;
  background-color: var(--clr-white);
  border-radius: inherit;
  opacity: 0;
  z-index: 1;
  transition: opacity 300ms ease;
}

.btn--purple:hover::after {
  opacity: 0.3;
}

.header, .main, .footer {
  padding-inline: clamp(var(--space-250), -0.1813rem + 6.1069vw, var(--space-550));
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: clamp(var(--space-200), 0.5229rem + 2.0356vw, var(--space-300));
}

.hero {
  display: grid;
  gap: var(--space-600);
  padding-block: var(--space-800);
}

.hero__title {
  font-size: clamp(2.5rem, 1.3571rem + 2.381vw, 3.5rem);
  font-weight: 800;
  color: var(--clr-blue-900);
  margin-block-end: var(--space-300);
}

.hero__description {
  margin-block-end: var(--space-500);
}

.hero__img-container {
  z-index: -1;
  justify-self: center;
}

.courses {
  display: grid;
  row-gap: clamp(3.75rem, 2.0357rem + 3.5714vw, 5.25rem);
  column-gap: clamp(var(--space-300), 0.9286rem + 1.1905vw, var(--space-400));
  padding-block-start: var(--space-800);
  padding-block-end: clamp(var(--space-1000), 1.1832rem + 16.285vw, var(--space-1800));
}

.courses__title {
  font-size: clamp(1.5rem, 0.9286rem + 1.1905vw, 2rem);
  font-weight: 800;
  color: var(--clr-white);
  background: var(--gradient-pink);
  padding-inline: var(--space-400);
  padding-block: clamp(var(--space-400), 0.0916rem + 8.1425vw, var(--space-800));
  border-radius: var(--rounded-15);
}

.course {
  display: flex;
  flex-direction: column;
  gap: var(--space-300);
  position: relative;
  padding: var(--space-800) var(--space-400) var(--space-500);
  border-radius: var(--rounded-15);
  box-shadow: 0 25px 50px rgba(6, 22, 141, 0.0442);
}

.course__tag {
  position: absolute;
  top: 0;
  transform: translateY(-50%);
  
}

.course__title {
  font-size: clamp(1.25rem, 0.9643rem + 0.5952vw, 1.5rem);
  font-weight: 800;
  color: var(--clr-blue-900);
}

.course__link {
  font-weight: 700;
  text-decoration: none;
  color: var(--clr-pink-600);
  margin-block-start: auto;
  transition: color 300ms;
}

.course__link:hover {
  color: var(--clr-pink-300);
}

.footer {
  padding-block: var(--space-300);
  background-color: var(--clr-blue-900);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media screen and (min-width: 48em) {
  .hero {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-300);
    align-items: center;
    position: relative;
  }

  .hero__text {
    padding-block: clamp(2.625rem, -2.3036rem + 10.2679vw, 6.9375rem);
  }

  .hero__img-container {
    position: absolute;
    right: 0;
    transform: translate(49%, -11%);
  }

  .courses {
    grid-template-columns: repeat(2, 1fr);
  }
}
            
@media screen and (min-width: 64em) {
  .hero {
    gap: var(--space-400);
  }

  .hero__img-container {
    transform: translate(47.5%, -10%);
  }

  .btn {
    padding-block: var(--space-200);
    padding-inline: var(--space-400);
  }

  .courses {
    grid-template-columns: repeat(3, 1fr);
  }
}