/* ————— MOBILE-FIRST MOBILE MENU ————— */

.mobile-menu {
  --gap: 2rem;

  display: grid;
  position: absolute;
  width: 100%;
  grid-template-rows: 0fr;
  top: calc(var(--header-height) - 1px);
  left: 0;
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow);
  z-index: 1000;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  background-color: #131313;
  backdrop-filter: blur(24px);

  transition: grid-template-rows 0.3s ease, padding 0.3s ease;
}

.mobile-menu .menu__content {
  opacity: 0;
  display: grid;
  width: 100%;
  gap: var(--gap);
  overflow: hidden;
  transition: opacity 0.3s ease;
}

.mobile-menu .menu__content > nav ul {
  display: grid;
  width: 100%;
  gap: var(--gap);
  font-size: var(--text-md);

  margin-block: 2rem;
}
.mobile-menu .menu__content > nav ul li a {
  padding: 1rem;
}

.burger {
  display: block;
  cursor: pointer;
  padding: 8px;
  border: transparent;
  border-radius: 6px;
  height: 100%;
}

.burger span {
  display: block;
  width: 26px;
  height: 3px;
  border-radius: 10px;
  background-color: var(--color-primary);
  margin-bottom: 7px;
  transition: all 0.3s ease;
}

.burger span:last-child {
  margin-bottom: 0;
}

.burger.active span:first-child {
  transform: translateY(10px) rotate(45deg);
}
.burger.active span:nth-child(2) {
  opacity: 0;
}
.burger.active span:last-child {
  transform: translateY(-10px) rotate(-45deg);
}

header:has(.burger.active) .mobile-menu {
  grid-template-rows: 1fr;
  padding: 20px;
}

.burger.active + .mobile-menu > .menu__content {
  opacity: 1;
}

header {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;

  padding: 1rem;
  background-color: #ffffff0d;
  backdrop-filter: blur(6px);

  transition: 0.3s var(--ease);
}

header:has(.burger.active) {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;

  background-color: #131313;
}

header .logo {
  cursor: pointer;
}

header > nav {
  display: none;
}
header .btn span {
  display: none;
}
header nav ul {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
header nav ul li a {
  border-radius: 50px;
  padding: 0.5rem 1rem;
  background-color: #333;

  font-weight: 700;
  font-size: var(--text-md);
  color: var(--color-white);

  transition: 0.3s var(--ease);
}
@media (hover:hover) {
  header nav ul li a:hover {
    background-color: #3d3d3d;
  }
}
header nav ul li a:active {
  background-color: #2a2a2a;
}

@media screen and (min-width: 480px) {
  header {
    border-radius: 50px;
    top: 1rem;
  }
}
@media screen and (min-width: 768px) {
  header .btn span {
    display: inline;
  }

  .mobile-menu {
    top: calc(var(--header-height) - 1.1rem);
  }
}

@media screen and (min-width: 1280px) {
  header nav {
    display: block;
    margin-left: auto;
  }

  header .burger {
    display: none;
  }
}