/* =====================================================
   FITPATT – HAMBURGER & MOBILE NAV
   Extracted from index.html (SOURCE OF TRUTH)
===================================================== */

/* Hamburger button */
.hambtn{
  display:none;
  background: transparent;
  border:1px solid rgba(255,255,255,.25);
  color: var(--text-main, #370359);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  align-items:center;
  gap:8px;
  font-weight:700;
}

.hambtn .bar{
  width:20px;
  height:2px;
  background: var(--text-main, #370359);
  position:relative;
  display:inline-block;
}

.hambtn .bar::before,
.hambtn .bar::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  background: var(--text-main, #370359);
}

.hambtn .bar::before{ top:-6px; }
.hambtn .bar::after{ top:6px; }

/* Backdrop */
.nav-backdrop{
  position: fixed;
  inset:0;
  background: rgba(0, 0, 0, 0.395);
  backdrop-filter: blur(30px) saturate(120%);
  -webkit-backdrop-filter: blur(22px) saturate(120%);
  display:none;
  z-index: 60;
}

.nav-backdrop.open{
  display:block;
}

/* Mobile drawer */
.mobile-nav{
  position: fixed;
  top:0;
  right:0;
  height:100vh;
  width:min(320px, 84vw);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.06));
  border-left:1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow-main, 0 10px 30px rgba(0,0,0,.25));
  transform: translateX(100%);
  transition: transform .28s ease;
  padding:18px;
  z-index: 70;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.mobile-nav.open{
  transform: translateX(0);
}

.mobile-nav a{
  color: var(--text-main, #370359);
  text-decoration:none;
  font-weight:700;
  padding:12px 10px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.04));
}

.mobile-nav a:active{
  transform: scale(.98);
}

/* Responsive trigger */
@media (max-width: 840px){
  nav.desktop{ display:none; }
  .hambtn{ display:inline-flex; }
}

/* =========================================================
   HAMBURGER ANIMATION (☰ → ✕)
========================================================= */

/* Base bar transition */
.hambtn .bar,
.hambtn .bar::before,
.hambtn .bar::after{
  transition: transform 0.28s ease, opacity 0.2s ease;
}

/* When menu is open */
.hambtn.is-open .bar{
  transform: rotate(45deg);
}

.hambtn.is-open .bar::before{
  transform: rotate(90deg);
  top: 0;
}

.hambtn.is-open .bar::after{
  opacity: 0;
}