/* rem and em do NOT depend on html font-size in media queries! Instead, 1rem = 1em = 16px */

/**************************/
/* BELOW 1344px (Smaller desktops) */
/**************************/

@media (max-width: 84em) {
  h1 {
    font-size: 4.8rem;
  }

  h4 {
    font-size: 2.4rem;
  }
}

/**************************/
/* BELOW 1200px (Landscape Tablets) */
/**************************/

@media (max-width: 75em) {
  html {
    /* 9px / 16px  */
    font-size: 56.25%;
  }

  .section__header {
    font-size: 3rem;
  }
}

/**************************/
/* BELOW 944px (Tablets) */
/**************************/

@media (max-width: 59em) {
  html {
    /* 8px / 16px = 0.5 = 50% */
    font-size: 50%;
  }

  .header__title {
    grid-template-columns: 1fr;
    column-gap: 4rem;
    padding: 2rem 4rem;
    gap: 6.4rem;
    align-items: center;
    justify-content: center;
    justify-items: center;
  }

  .btn--text {
    align-self: center;
  }

  .header__img {
    height: 80%;
    width: 80%;
    grid-column: unset;
    grid-row: 2;
    transform: translateY(-6rem);
  }

  .section__header {
    font-size: 3rem;
  }
}

/**************************/
/* BELOW 830px (Smaller tablets) */
/**************************/

@media (max-width: 52em) {
  /* MOBILE NAVIGATION */
  .btn-mobile-nav {
    display: block;
  }

  .links {
    background-color: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(10px);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    transform: translateX(100%);

    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s ease-in;

    /* 1) Hide it visually */
    opacity: 0;

    /* 2) Make it unaccessible to mouse and keyboard */
    pointer-events: none;

    /* 3) Hide it from screen readers */
    visibility: hidden;
  }

  .nav-open .links {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateX(0);
  }

  .nav-open .icon-mobile-nav[name="close-outline"] {
    display: block;
  }

  .nav-open .icon-mobile-nav[name="menu-outline"] {
    display: none;
  }

  .links,
  .nav__links {
    flex-direction: column;
    gap: 4.8rem;
  }

  .nav__link:link,
  .nav__link:visited,
  .app__link:link,
  .app__link:visited {
    font-size: 3rem;
  }

  .slider {
    height: 60rem;
  }

  .footer__nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    row-gap: 4rem;
    text-align: center;
  }
}

/**************************/
/* BELOW 705px (Phones) */
/**************************/

@media (max-width: 44em) {
  html {
    /* 9px / 16px  */
    font-size: 56.25%;
  }

  .features {
    grid-template-columns: 1fr;
    row-gap: 4rem;
    justify-content: center;
    margin: 1rem 4rem;
  }

  .feature-two {
    grid-row: 4;
  }
}

/* 
- Font sizes (px)
10 / 12 / 14 / 16 / 18 / 20 / 24 / 30 / 36 / 44 / 52 / 62 / 74 / 86 / 98

- Spacing system (px)
2 / 4 / 8 / 12 / 16 / 24 / 32 / 48 / 64 / 80 / 96 / 128
*/