/*=============== FONTS ===============*/

@import url("https://fonts.cdnfonts.com/css/avenir");

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

  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --white-color: hsl(0, 0%, 100%);
  --black-color: hsl(0, 0%, 0%);
  --text-color: #5a5a5a;
  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Avenir";
  --h1-font-size: 1.5rem;
  --normal-font-size: 0.938rem;

  /*========== Font weight ==========*/
  --font-regular: 400;
  --font-medium: 500;

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

/*========== Responsive typography ==========*/
@media screen and (min-width: 1150px) {
  :root {
    --normal-font-size: 1rem;
  }
}
.main-content {
  display: none;
}

.main-content.show {
  display: block;
  animation: content-fade-in 1s ease-out;
}

@keyframes content-fade-in {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/*=============== BASE ===============*/
* {
  font-family: "Avenir", sans-serif;
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  font-family: "Avenir", sans-serif;
  font-size: var(--normal-font-size);
  background-color: var(--white-color);
}

ul {
  list-style: none;
  padding: 0;
}

a {
  text-decoration: none;
}

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

/*=============== HEADER & NAV ===============*/
.header {
  position: relative;
  width: 100%;
  top: 0;
  left: 0;
  background-color: #006ac6;
  z-index: var(--z-fixed);
}

.nav {
  position: relative;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  text-align: center;
}
.nav__logo img {
  width: 60%;
  height: auto;
}

.nav__close,
.nav__toggle {
  display: flex;
  color: var(--white-color);
  font-size: 1.5rem;
  cursor: pointer;
}
/* Navigation for mobile devices */
@media screen and (max-width: 1150px) {
  .nav__menu {
    position: fixed;
    left: -100%;
    top: 0;
    background-color: #006ac6;
    width: 50%;
    height: 100%;
    padding: 6rem 0rem 4.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: left 0.4s;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  }

  .nav__item {
    transform: translateX(-150px);
    visibility: hidden;
    transition: transform 0.4s ease-out, visibility 0.4s;
  }

  .nav__item:nth-child(1) {
    transition-delay: 0.1s;
  }
  .nav__item:nth-child(2) {
    transition-delay: 0.2s;
  }
  .nav__item:nth-child(3) {
    transition-delay: 0.3s;
  }
  .nav__item:nth-child(4) {
    transition-delay: 0.4s;
  }
  .nav__item:nth-child(5) {
    transition-delay: 0.5s;
  }
}

.nav__list {
  display: flex;
  align-items: center;
}

.nav__list {
  flex-direction: column;
  row-gap: 3rem;
}

.nav__link {
  position: relative;
  color: var(--white-color);
  font-size: var(--h1-font-size);
  font-weight: var(--font-medium);
  display: inline-flex;
  align-items: center;
  transition: opacity 0.4s;
}

.nav__link i {
  font-size: 2rem;
  position: absolute;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.nav__link span {
  position: relative;
  transition: margin 0.4s;
}

.nav__link span::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background-color: #00b388;
  transition: width 0.4s ease-out;
}

/* Animation link on hover */
.nav__link:hover {
  color: var(--white-color);
}
.nav__link:hover i {
  opacity: 1;
  visibility: visible;
}

.nav__link:hover span::after {
  width: 100%;
}

/* Sibling fade animation */
.nav__list:has(.nav__link:hover) .nav__link:not(:hover) {
  opacity: 0.4;
}

.nav__close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

/* Show menu */
.show-menu {
  left: 0;
}

/* Animation link when displaying menu */
.show-menu .nav__item {
  visibility: visible;
  transform: translateX(0);
}
.hidden_logo {
  display: none;
}

/*=============== BREAKPOINTS ===============*/
/* For large devices */
@media screen and (min-width: 1150px) {
  .nav {
    justify-content: center;
  }

  .header_container {
    margin-inline: auto;
  }

  .nav {
    height: calc(var(--header-height) + 2rem);
  }

  .nav__toggle,
  .nav__close {
    display: none;
  }

  .nav__link {
    font-size: var(--normal-font-size);
  }

  .nav__link i {
    font-size: 1.5rem;
  }

  .nav__list {
    flex-direction: row;
    column-gap: 4.5rem;
  }

  .nav__menu {
    display: flex;
    align-items: center;
    column-gap: 3.5rem;
  }
}

@media screen and (max-width: 1150px) {
  .nav {
    flex-direction: row-reverse;
  }
  .hidden_logo {
    display: block;
    text-align: end;
  }
  .hidden_logo img {
    width: 50%;
    height: auto;
  }
  .show_logo {
    display: none;
  }
}