/* Mobile slide-in nav (right → left) + burger → X */
.burger-btn {
  position: relative;
  z-index: 210;
  appearance: none;
  border: 0;
  background: #fff;
  border-radius: 12px;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.burger-btn__icon {
  position: relative;
  display: block;
  width: 22px;
  height: 16px;
}

.burger-btn__icon span {
  position: absolute;
  left: 0;
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 1px;
  background: #2a2a26;
  transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.3, 1), opacity 0.2s ease;
}

.burger-btn__icon span:nth-child(1) { top: 0; }
.burger-btn__icon span:nth-child(2) { top: 7px; }
.burger-btn__icon span:nth-child(3) { top: 14px; }

.burger-btn.is-open .burger-btn__icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger-btn.is-open .burger-btn__icon span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.4);
}
.burger-btn.is-open .burger-btn__icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 180;
  background: rgba(14, 32, 22, 0.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 190;
  width: min(320px, 86vw);
  background: #fbfbf7;
  box-shadow: -16px 0 48px rgba(42, 42, 38, 0.16);
  transform: translate3d(100%, 0, 0);
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.3, 1);
  padding: 96px 28px 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-drawer.is-open {
  transform: translate3d(0, 0, 0);
}

.mobile-nav-drawer a {
  display: block;
  padding: 14px 4px;
  font-size: 18px;
  font-weight: 600;
  color: #2a2a26;
  text-decoration: none;
  border-bottom: 1px solid #e0ddd6;
}

.mobile-nav-drawer a:last-child {
  border-bottom: 0;
}

.mobile-nav-drawer a:active {
  color: #3d5a3d;
}

body.mobile-nav-open {
  overflow: hidden;
}

@media (min-width: 1024px) {
  .mobile-nav-backdrop,
  .mobile-nav-drawer,
  .burger-btn {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .burger-btn__icon span,
  .mobile-nav-backdrop,
  .mobile-nav-drawer {
    transition: none !important;
  }
}