/* Hamburger */
.navbar .hamburger { display: none; flex-direction: column; gap: 5px; width: 26px; height: 20px; justify-content: center; align-items: center; }
.navbar .hamburger span { display: block; width: 100%; height: 2px; background: #fff; transition: transform .25s ease, opacity .2s ease; transform-origin: center; }
.navbar-dark .hamburger span { background: #fff; }
.navbar .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar .hamburger.active span:nth-child(2) { opacity: 0; }
.navbar .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.navbar .hamburger.active span { background: var(--bs-accent); }
.navbar .hamburger { width: 42px; height: 42px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.35); background: rgba(0,0,0,0.25); padding: 8px; }
.navbar .hamburger.active { border-color: var(--bs-accent); background: rgba(0,0,0,0.4); }
@media (max-width: 991.98px) { .navbar .hamburger { display: inline-flex; } }
@media (min-width: 992px) { .navbar .hamburger, .navbar .navbar-toggler { display: none !important; } }

/* Overlay */
@keyframes animated-gradient { 
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.mobile-menu-overlay { position: fixed; inset: 0; background: linear-gradient(-45deg, rgba(20, 20, 20, 0.7), rgba(40, 40, 40, 0.8), rgba(20, 20, 20, 0.7), rgba(50, 50, 50, 0.8)); background-size: 400% 400%; animation: animated-gradient 18s ease infinite; backdrop-filter: blur(10px) saturate(1.2); -webkit-backdrop-filter: blur(10px) saturate(1.2); z-index: 1060; min-height: 100dvh; visibility: hidden; pointer-events: none; }
.mobile-menu-overlay::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.00) 20%); }
.mobile-menu-overlay.open { visibility: visible; pointer-events: auto; }
.mobile-menu-panel { box-sizing: border-box; position: absolute; inset: 0; display: flex; flex-direction: column; height: 100%; transform-origin: top center; padding-top: calc(var(--menu-top-offset, env(safe-area-inset-top, 0px) + 80px)); padding-right: 1.25rem; padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 1.25rem); padding-left: 1.25rem; gap: 1.1rem; }
.mobile-menu-overlay.open .mobile-menu-panel { animation: panel-slide-top .7s cubic-bezier(.16,1,.3,1) both; }
@keyframes panel-slide-top { from { transform: translateY(-12%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.mobile-menu-overlay, .mobile-menu-panel { will-change: transform, opacity; overscroll-behavior: contain; backface-visibility: hidden; transform: translateZ(0); }
.mobile-menu-list { list-style: none; margin: 0; width: 100%; display: grid; gap: 0.75rem; overflow-y: auto; -webkit-overflow-scrolling: touch; flex-grow: 1; min-height: 0; padding: 0.25rem 0; }
.mobile-menu-list li { opacity: 0; transform: scale(.96) translateZ(0); transform-origin: center; will-change: transform, opacity; backface-visibility: hidden; transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.mobile-menu-overlay.open .mobile-menu-list li { opacity: 1; transform: scale(1) translateZ(0); }
.mobile-menu-list li a { position: relative; display: flex; align-items: center; justify-content: center; gap: 10px; text-align: center; padding: 0.75rem 1rem; font-size: 1.05rem; color: #fff; border-radius: 14px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18); -webkit-backdrop-filter: blur(7px) saturate(1.1); backdrop-filter: blur(7px) saturate(1.1); box-shadow: 0 6px 20px rgba(0,0,0,0.22), inset 0 1px 0 rgba(255,255,255,0.08), inset 0 0 0 1px rgba(255,255,255,0.05); transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; overflow: hidden; }
.mobile-menu-list li a:active { transform: scale(0.98); transition-duration: .1s; }
.mobile-menu-list li a .menu-icon { font-size: 1.15rem; opacity: .9; flex-shrink: 0; }
.mobile-menu-list li a .menu-textwrap { display: flex; flex-direction: column; line-height: 1.1; align-items: center; }
.mobile-menu-list li a .menu-label { font-size: 1.1rem; }
.mobile-menu-list li a .menu-subtle { font-size: .8rem; opacity: .8; }
.mobile-menu-list li a::before { content: ''; position: absolute; left: var(--glow-x); top: var(--glow-y); transform: translate(-50%, -50%); background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 50%); width: 120px; height: 120px; opacity: 0; transition: opacity .3s ease; pointer-events: none; }

.mobile-menu-list li a:hover::before { opacity: 1; }

.mobile-menu-list li a:hover { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.26); transform: translateY(-1px); box-shadow: 0 10px 26px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.12), inset 0 0 0 1px rgba(255,255,255,0.08); }
.mobile-menu-list li a:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(25,135,84,0.35), 0 8px 24px rgba(0,0,0,0.25); }
.mobile-menu-list li a.active { border-color: var(--bs-accent); box-shadow: 0 12px 30px rgba(25,135,84,0.28), inset 0 1px 0 rgba(255,255,255,0.12), inset 0 0 0 1px rgba(255,255,255,0.09); background: linear-gradient(180deg, rgba(255,255,255,0.17), rgba(255,255,255,0.06)); }
/* Prewarm */
.mobile-menu-overlay.prewarm { visibility: hidden !important; pointer-events: none !important; opacity: 0 !important; }
.mobile-menu-overlay.prewarm .mobile-menu-panel { animation: none !important; }

/* Action Buttons */
.mobile-menu-footer { margin-top: auto; padding: 1.1rem 0 calc(env(safe-area-inset-bottom, 0px) + 0.5rem); width: 100%; display: flex; flex-direction: column; align-items: stretch; gap: 0.9rem; position: sticky; bottom: calc(env(safe-area-inset-bottom, 0px) + 0.35rem); backdrop-filter: blur(10px) saturate(1.05); -webkit-backdrop-filter: blur(10px) saturate(1.05); isolation: isolate; z-index: 1; }
.mobile-menu-footer::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(to right, transparent, rgba(255,255,255,0.26), transparent); opacity: 0.75; pointer-events: none; }
.mobile-menu-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; width: 100%; }
.mobile-menu-actions .btn-action { background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.25); color: #fff; padding: 0.75rem; font-size: 0.98rem; border-radius: 12px; backdrop-filter: blur(5px); transition: background .2s ease, opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1), box-shadow .2s ease, filter .2s ease; display: flex; align-items: center; justify-content: center; opacity: 0; transform: scale(.96) translateZ(0); will-change: transform, opacity; backface-visibility: hidden; }
.mobile-menu-overlay.open .mobile-menu-actions .btn-action { opacity: 1; transform: scale(1) translateZ(0); }
.mobile-menu-overlay.open .mobile-menu-actions .btn-action:nth-child(1) { transition-delay: .25s; }
.mobile-menu-overlay.open .mobile-menu-actions .btn-action:nth-child(2) { transition-delay: .3s; }
.mobile-menu-actions .btn-action .bi-whatsapp { color: #25D366; }

.mobile-menu-overlay.open .mobile-menu-link:active,
.btn-action:active,
.btn-lang:active {
  transform: scale(0.97);
  filter: brightness(1.1);
}

.mobile-menu-list li a:hover,
.btn-action:hover,
.btn-lang:hover,
.mobile-menu-list li a:focus-visible,
.btn-action:focus-visible,
.btn-lang:focus-visible {
  box-shadow: 0 0 12px 2px rgba(52, 152, 219, 0.4);
  filter: brightness(1.05);
}


/* Language selector inside overlay */
.mobile-menu-lang { display: flex; align-items: center; justify-content: center; }
.mobile-lang-wrap { display: inline-flex; gap: 10px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.22); border-radius: 999px; padding: 6px; -webkit-backdrop-filter: blur(6px) saturate(1.15); backdrop-filter: blur(6px) saturate(1.15); box-shadow: 0 6px 18px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.10), inset 0 0 0 1px rgba(255,255,255,0.06); }
.btn.btn-lang { font-size: .95rem; line-height: 1; color: #fff; padding: 8px 14px; border-radius: 999px; border: none; background: transparent; transition: background .2s ease, color .2s ease, box-shadow .2s ease; -webkit-backdrop-filter: blur(3px) saturate(1.1); backdrop-filter: blur(3px) saturate(1.1); box-shadow: inset 0 1px 0 rgba(255,255,255,0.10); }
.btn.btn-lang:hover { background: rgba(255,255,255,0.12); }
.btn.btn-lang.active { background: var(--bs-accent); color: #fff; }
.btn.btn-lang:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(25,135,84,0.35); }


/* Stagger and motion */
@media (prefers-reduced-motion: reduce) { .mobile-menu-overlay, .mobile-menu-list li, .mobile-menu-panel, #backToTop.back-to-top { transition: none !important; animation: none !important; } }
.mobile-menu-list li:nth-child(1) { transition-delay: 0s; }
.mobile-menu-list li:nth-child(2) { transition-delay: .05s; }
.mobile-menu-list li:nth-child(3) { transition-delay: .10s; }
.mobile-menu-list li:nth-child(4) { transition-delay: .15s; }
.mobile-menu-list li:nth-child(5) { transition-delay: .20s; }
.mobile-menu-list li:nth-child(6) { transition-delay: .25s; }
.mobile-menu-list li:nth-child(7) { transition-delay: .30s; }
.mobile-menu-list li:nth-child(8) { transition-delay: .35s; }
.mobile-menu-overlay.opening .mobile-menu-list li { transition-delay: 0s !important; }
.mobile-menu-overlay.opening .mobile-menu-list li a { -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: 0 4px 12px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,0.08); }
@media (min-width: 992px) { .mobile-menu-overlay { display: none !important; } }
@media (max-width: 767.98px) { .mobile-menu-list li { transition-delay: 0s !important; } }
@media (max-width: 374px) {
  .mobile-menu-actions { grid-template-columns: 1fr; }
}

/* Prevent background scroll when menu open */
body.menu-open { overflow: hidden; overscroll-behavior: contain; touch-action: none; }