xecut-site/src/_assets/css/menu.css

header.menu {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: 320px;

  padding: calc(4 * var(--step));
  font-family: Xecut, sans-serif;

  height: fit-content;
  min-height: 100vh;

  box-sizing: border-box;
  position: sticky;
  top: 0;
  bottom: 0;

  text-align: end;
}

/* */

header.menu a {
  color: var(--color-fg);
  text-decoration: none;
  transition: opacity .2s ease;
  border-bottom: 0;
}

header.menu a:hover {
  opacity: 0.5;
}

/* */

.logo a {
  font-size: calc(9 * var(--step));
}

/* */

.navbar {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  font-size: calc(4 * var(--step));
}

.navbar ul {
  padding: 0;
}

.navbar li {
  list-style: none;
}

.nav-links {
  margin: calc(8 * var(--step)) 0;
}

.nav-links li {
  padding: calc(1 * var(--step)) calc(2 * var(--step));

  border-inline-end: calc(1 * var(--step)) solid;
  border-color: var(--color-inactive);
}

.nav-links li.active {
  border-color: var(--color-fg);
}

/* */

.nav-langs {
  display: flex;
  flex-direction: row;
  justify-content: space-evenly;
  margin: 0;
  margin-block-start: auto;
  text-transform: uppercase;
}

.nav-langs .lang-separator {
  color: var(--color-inactive);
}
.nav-langs .lang-separator:first-child {
  display: none;
}

/* */

.desktop-logo {
  display: none;
  margin-block-start: auto;
}

/* */

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 21px;
    position: relative;
}

.hamburger-icon {
    display: block;
    background-color: white;
    height: 3px;
    width: 100%;
    position: absolute;
    left: 0;
}

.hamburger-icon:nth-child(1) {
    top: 0;
}

.hamburger-icon:nth-child(2) {
    top: 9px;
}

.hamburger-icon:nth-child(3) {
    bottom: 0;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: block;
    }

    .hamburger {
        display: block;
    }
}