/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
  --header-height: 3.5rem;

  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --first-color: hsl(220, 68%, 54%);
  --first-color-lighten: hsl(220, 68%, 97%);
  --title-color: hsl(220, 48%, 28%);
  --text-color: hsl(220, 12%, 45%);
  --body-color: hsl(220, 100%, 99%);

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Poppins", sans-serif;
  --normal-font-size: 0.938rem;
  --small-font-size: 0.813rem;
  --smaller-font-size: 0.75rem;

  /*========== Font weight ==========*/
  --font-medium: 500;
  --font-semi-bold: 600;

  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
}

/*========== Responsive typography==========*/
@media screen and (min-width: 1024px) {
  :root {
    --normal-font-size: 1rem;
    --small-font-size: 0.875rem;
    --smaller-font-size: 0.813rem;
  }
}

/*=============== BASE ===============*/
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 1120px;
  margin-inline: 1.5rem;
}

/*=============== HEADER ===============*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  box-shadow: 0 2px 8px hsla(220, 68%, 12%, 0.1);
  background-color: var(--body-color);
  z-index: var(--z-fixed);
}

/*=============== NAV ===============*/
.nav {
  height: var(--header-height);
}
.nav__data {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  column-gap: 0.25rem;
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
  transition: color 0.3s;
}

.nav__logo i {
  font-size: 1.25rem;
}

.nav__logo:hover {
  color: var(--first-color);
}

.nav__toggle {
  position: relative;
  width: 32px;
  height: 32px;
}
.nav__toggle-menu,
.nav__toggle-close {
  font-size: 1.25rem;
  color: var(--title-color);
  position: absolute;
  display: grid;
  place-items: center;
  inset: 0;
  cursor: pointer;
  transition: opacity 0.1s, transform 0.4s;
}
.nav__toggle-close {
  opacity: 0;
}
/* Navigation for mobile devices */
@media screen and (max-width: 1118px) {
  .nav__menu {
    background-color: var(--body-color);
    position: absolute;
    left: 0;
    top: 2.5rem;
    width: 100%;
    height: calc(100vh - 3.5rem);
    overflow: auto;
    padding-block: 1.5rem 4rem;
    pointer-events: none;
    opacity: 0;
    transition: top 0.4s, opacity 0.3s;
  }
  .nav__menu::-webkit-scrollbar {
    width: 0.5rem;
  }
  .nav__menu::-webkit-scrollbar-thumb {
    background-color: hsl(220, 12%, 70%);
  }
}
.nav__link {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
}

.nav__link:hover {
  background-color: var(--first-color-lighten);
}

/* Show menu */
.show-menu {
  opacity: 1;
  top: 3.5rem;
  pointer-events: initial;
}

/* Show icon */
.show-icon .nav__toggle-menu {
  opacity: 0;
  transform: rotate(90deg);
}
.show-icon .nav__toggle-close {
  opacity: 1;
  transform: rotate(90deg);
}

/*=============== DROPDOWN ===============*/
.dropdown__button {
  cursor: pointer;
}
.dropdown__arrow {
  font-size: 1.5rem;
  font-weight: initial;
  transition: transform 0.4s;
}
.dropdown__content,
.dropdown__group,
.dropdown__list {
  display: grid;
}
.dropdown__container {
  background-color: var(--first-color-lighten);
  height: 0;
  overflow: hidden;
  transition: height 0.4s;
}

.dropdown__content {
  row-gap: 1.75rem;
}

.dropdown__group {
  padding-left: 2.5rem;
  row-gap: 0.5rem;
}

.dropdown__group:first-child {
  margin-top: 1.25rem;
}
.dropdown__group:last-child {
  margin-bottom: 1.25rem;
}

.dropdown__icon {
  font-size: 1.25rem;
  color: var(--first-color);
}

.dropdown__title {
  font-size: var(--small-font-size);
  font-weight: var(--font-semi-bold);
  color: var(--title-color);
}

.dropdown__list {
  row-gap: 0.25rem;
}

.dropdown__link {
  font-size: var(--smaller-font-size);
  font-weight: var(--font-medium);
  color: var(--text-color);
  transition: color 0.3s;
}

.dropdown__link:hover {
  color: var(--title-color);
}

/* Rotate dropdown icon */
.show-dropdown .dropdown__arrow {
  transform: rotate(180deg);
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 300px){
  .dropdown__group{
    margin-left: 1.5rem;
  }
}
/* For large devices */
@media screen and (min-width: 1118px){
  /* Nav */
  .nav{
    height: calc(var(--header-height) + 2rem);
    display: flex;
    justify-content: space-between;
  }
  .nav__toggle{
    display: none;
  }
  .nav__list{
    display: flex;
    column-gap: 3rem;
    height: 100%;
  }
  .nav li{
    display: flex;
  }
  .nav__link{
    padding: 0;
  }
  .nav__link:hover{
    background-color: initial;
  }
  /* Dropdown */
  .dropdown__button{
    column-gap: .25rem;
    pointer-events: none;
  }
  .dropdown__container{
    height: max-content;
    position: absolute;
    left: 0;
    right: 0;
    top: 6.5rem;
    background-color: var(--body-color);
    box-shadow: 0 6px 8px hsla(220,68%,12%,.05);
    pointer-events: none;
    opacity: 0;
    transition: top .4s, opacity .3s;
  }
  .dropdown__content{
    grid-template-columns: repeat(4, max-content);
    column-gap: 6rem;
    max-width: 1120px;
    margin-inline: auto;
  }
  .dropdown__group{
    padding: 4rem 0;
    align-content: baseline;
    row-gap: 1.25rem;
  }
  .dropdown__group:first-child,
  .dropdown__group:last-child{
    margin: 0;
  }
  .dropdown__list{
    row-gap: .75rem;
  }
  .dropdown__icon{
    width: 60px;
    height: 60px;
    background-color: var(--first-color-lighten);
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-bottom: 1rem;
  }
  .dropdown__icon i{
    font-size: 2rem;
  }
  .dropdown__title{
    font-size: var(--normal-font-size);
  }
  .dropdown__link{
    font-size: var(--small-font-size);
  }
  .dropdown__link:hover{
    color: var(--first-color);
  }
  .dropdown__item{
    cursor: pointer;
  }
  /* Rotate dropdown icon */
  .dropdown__item:hover .dropdown__arrow{
    transform: rotate(180deg);
  }
  /* Show dropdown menu */
  .dropdown__item:hover > .dropdown__container{
    top: 5.5rem;
    opacity: 1;
    pointer-events: initial;
    cursor: initial;
  }
}

@media screen and (min-width: 1152px) {
  .container{
    margin-inline: auto;
  }
  
}