/* =========================
   CLEAN RESPONSIVE MENU
========================= */

.site-header{
  position:fixed;   /* stays on screen always */
  top:0;
  left:0;
  width:100%;
  z-index:9999;  /* visible immediately */
  background:rgba(255,255,255,0.28);
  backdrop-filter:blur(2px);
  -webkit-backdrop-filter:blur(10px);

  transition:background 0.3s ease, box-shadow 0.3s ease;
}

/* When scrolling */
.site-header.scrolled {
  background: rgba(255,255,255,0.65);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* Navigation */
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
}


/* logo */
.logo{
  display:flex;
  align-items:center;
  text-decoration:none;
}

/* hide checkbox */
#nav-toggle{
  display:none;
}

/* desktop menu */
.menu{
  display:flex;
  gap:2rem;
  align-items:center;
}

.menu a{
  text-decoration:none;
  color:#000;
  font-size:.95rem;
  letter-spacing:.04em;
}

.menu a:hover{
  font-weight:700;
}

/* hamburger hidden desktop */
.hamburger{
  display:none;
  width:28px;
  height:22px;
  cursor:pointer;
  flex-direction:column;
  justify-content:space-between;
}

.hamburger span{
  display:block;
  height:2px;
  background:#000;
  transition:.3s ease;
}

/* =============  MOBILE
============= */

@media (max-width: 900px){

  .hamburger{
    display:flex;
  }

  .menu{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:white;
    flex-direction:column;
    gap:0;
    max-height:0;
    overflow:hidden;
    transition:max-height .35s ease;
    border-bottom:1px solid rgba(0,0,0,.08);
  }

  .menu a{
    padding:1rem;
    width:100%;
    text-align:center;
    border-top:1px solid rgba(0,0,0,.05);
  }

  #nav-toggle:checked ~ .menu{
    max-height:300px;
  }

  /* animate to X */
  #nav-toggle:checked + .hamburger span:nth-child(1){
    transform:translateY(10px) rotate(45deg);
  }

  #nav-toggle:checked + .hamburger span:nth-child(2){
    opacity:0;
  }

  #nav-toggle:checked + .hamburger span:nth-child(3){
    transform:translateY(-10px) rotate(-45deg);
  }
}