/* =========================================================
   NAV BAR 
========================================================= */

.main-nav {
  border-bottom: 1px solid #ffffff4b;

  position: relative;
  z-index: 100;

  padding: 10px 20px;
  background: var(--secondary-color);
}

/* .home .main-nav {
  background: var(--secondary-color);
} */

.main_nav_relative {
  display: flex;
  justify-content: center;
}
.nav_logo img {
  height: 120px;
  padding: 20px;
  width: auto;
  margin: auto;
}

.main-nav__list,
.main-nav__list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* =========================================================
   DESKTOP
========================================================= */

.main-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;

  background-color: var(--secondary-color);
}

.main-nav__list > li {
  position: relative;
}

.main-nav__list a {
  display: block;
  padding: 14px 12px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06rem;
  font-size: 0.9rem;
  position: relative;
}

/* underline */
.main-nav__list a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

.main-nav__list a:hover::before {
  width: 100%;
}

/* =========================================================
   SUBMENU
========================================================= */

.menu-item-has-children > a {
  padding-right: 28px;
}

.menu-item-has-children > a::after {
  content: "▽";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  transition: 0.3s;
}

.menu-item-has-children:hover > a::after {
  transform: translateY(-50%) rotate(180deg);
}

.menu-item-has-children > .sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;

  transform: translateX(-50%);

  min-width: 220px;
  background: var(--color-grey-dark);

  max-height: 0;
  overflow: hidden;
  opacity: 0;

  transition: 0.3s;
  z-index: 200;
}
.sub-menu li a {
  text-transform: none;
  text-align: center;
}
@media (min-width: 768px) {
  .menu-item-has-children:hover > .sub-menu {
    max-height: 1000px;
    opacity: 1;
    background-color: var(--secondary-color);
    border-radius: 4px;
    padding: 8px 10px;
  }
}
/* =========================================================
   HAMBURGER
========================================================= */

.main-nav__toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  margin: auto;
}

/* lines */
.main-nav__toggle .line {
  position: absolute;
  left: 50%;
  width: 26px;
  height: 2px;
  background: var(--text-color);
  transform: translateX(-50%);
  transform-origin: center;
  transition:
    transform 250ms ease,
    opacity 180ms ease;
}

/* hamburger placement */
.main-nav__toggle .line1 {
  top: 13px;
}
.main-nav__toggle .line2 {
  top: 22px;
}
.main-nav__toggle .line3 {
  top: 31px;
}

/* OPEN → X */
.main-nav--open .main-nav__toggle .line1 {
  transform: translateX(-50%) translateY(9px) rotate(45deg);
}

.main-nav--open .main-nav__toggle .line2 {
  opacity: 0;
}

.main-nav--open .main-nav__toggle .line3 {
  transform: translateX(-50%) translateY(-9px) rotate(-45deg);
}

/* accessibility */
@media (prefers-reduced-motion: reduce) {
  .main-nav__toggle .line {
    transition: none;
  }
}
/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 769px) {
  .main-nav {
    display: flex;
    justify-content: space-between;
  }
  .nav_logo img {
    max-height: 100px;
    padding: 12px;
  }

  .main-nav__toggle {
    display: block;
  }

  .main-nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;

    padding-right: unset;

    display: block;

    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;

    transform: translateY(-10px);

    z-index: 300;

    transition:
      max-height 0.4s ease,
      opacity 0.3s ease,
      transform 0.3s ease;
  }

  .main-nav.main-nav--open .main-nav__list {
    max-height: 100vh;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .main-nav__list > li {
    width: 100%;
  }

  .main-nav__list a {
    width: 100%;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
  }

  .menu-item-has-children > .sub-menu {
    transform: none;
    position: static;
    background: rgba(0, 0, 0, 0.05);
  }
  .menu-item-has-children.menu-open > .sub-menu {
    max-height: 1000px;
    opacity: 1;
  }
}

/* =========================================================
   ACCESSIBILITY
========================================================= */

.main-nav a:focus-visible,
.main-nav__toggle:focus-visible {
  outline: 2px solid white;
}