/* ════════════════════════════════════════════════════════════
   MENÚ PROFESIONAL - FLCH UNMSM
   UI/UX Premium - Desktop & Mobile
   ═══════════════════════════════════════════════════════════ */

:root {
    --menu-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --menu-bg: #143B63;
    --menu-hover: rgba(255, 255, 255, 0.1);
    --submenu-bg: #0A1E3C;
    --accent-gold: #A88F1D;
}

/* ══════════════════════════════════════════════════════════
   DESKTOP MENU - Horizontal Navigation
   ══════════════════════════════════════════════════════════ */

/* Contenedor principal del menú */
.nav-modern {
    display: flex !important;
    align-items: center !important;
    gap: 0.25rem !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Items del menú principal */
.nav-modern > li {
    position: relative !important;
    display: inline-block !important;
}

/* Links del menú principal */
.nav-modern > li > a {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.625rem 1rem !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    color: rgba(255, 255, 255, 0.95) !important;
    text-decoration: none !important;
    border-radius: 6px !important;
    transition: all 0.2s ease !important;
    position: relative !important;
    white-space: nowrap !important;
}

/* Hover state con efecto sutil */
.nav-modern > li > a:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1) !important;
}

/* Active state */
.nav-modern > li.current-menu-item > a,
.nav-modern > li.current-menu-ancestor > a {
    background: rgba(255, 255, 255, 0.12) !important;
    font-weight: 600 !important;
}

/* Underline effect on hover */
.nav-modern > li > a::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 50% !important;
    width: 0 !important;
    height: 2px !important;
    background: var(--accent-gold) !important;
    transition: all 0.3s ease !important;
    transform: translateX(-50%) !important;
}

.nav-modern > li > a:hover::after {
    width: 80% !important;
}

/* Chevron icons */
.nav-modern > li > a > i {
    font-size: 0.625rem !important;
    transition: transform 0.2s ease !important;
    opacity: 0.8 !important;
}

.nav-modern > li:hover > a > i {
    transform: rotate(180deg) !important;
    opacity: 1 !important;
}

/* ══════════════════════════════════════════════════════════
   SUBMENUS - Dropdown con animación profesional
   ══════════════════════════════════════════════════════════ */

.nav-modern .sub-menu {
    position: absolute !important;
    top: calc(100% + 0.5rem) !important;
    left: 0 !important;
    min-width: auto !important;
    width: max-content !important;
    max-width: 450px !important;
    background: var(--submenu-bg) !important;
    border: 1px solid rgba(168, 143, 29, 0.2) !important;
    border-radius: 10px !important;
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-8px) !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 1000 !important;
    list-style: none !important;
    padding: 0.5rem !important;
    margin: 0 !important;
    backdrop-filter: blur(10px) !important;
}

/* Show submenu on hover */
.nav-modern > li:hover > .sub-menu,
.nav-modern .sub-menu > li:hover > .sub-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

/* Submenu items */
.nav-modern .sub-menu > li {
    position: relative !important;
    display: block !important;
    list-style: none !important;
    margin: 0 !important;
}

.nav-modern .sub-menu > li > a {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 1rem !important;
    padding: 0.625rem 1rem !important;
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 0.875rem !important;
    font-weight: 400 !important;
    text-decoration: none !important;
    border-radius: 6px !important;
    transition: all 0.2s ease !important;
    white-space: normal !important;
    line-height: 1.5 !important;
}

.nav-modern .sub-menu > li > a:hover {
    background: rgba(168, 143, 29, 0.15) !important;
    color: var(--accent-gold) !important;
    transform: translateX(4px) !important;
}

/* Active submenu item */
.nav-modern .sub-menu > li.current-menu-item > a {
    background: rgba(168, 143, 29, 0.2) !important;
    color: var(--accent-gold) !important;
    font-weight: 500 !important;
}

/* Chevron in submenu */
.nav-modern .sub-menu > li > a > i {
    flex-shrink: 0 !important;
    font-size: 0.625rem !important;
    opacity: 0.6 !important;
    transition: all 0.2s ease !important;
}

.nav-modern .sub-menu > li:hover > a > i {
    opacity: 1 !important;
    transform: translateX(3px) !important;
}

/* Nested submenus (3rd level) */
.nav-modern .sub-menu .sub-menu {
    top: -0.5rem !important;
    left: calc(100% + 0.5rem) !important;
    transform: translateX(-8px) !important;
}

.nav-modern .sub-menu > li:hover > .sub-menu {
    transform: translateX(0) !important;
}

/* ══════════════════════════════════════════════════════════
   MOBILE MENU - Full-screen overlay
   ══════════════════════════════════════════════════════════ */

@media (max-width: 1023px) {
    /* Hide desktop nav */
    .nav-modern {
        display: none !important;
    }
}

/* Mobile menu container */
.mobile-menu-container {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 400px !important;
    height: 100vh !important;
    height: 100dvh !important;
    background: linear-gradient(180deg, #143B63 0%, #0A1E3C 100%) !important;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3) !important;
    z-index: 9999 !important;
    overflow-y: auto !important;
    overscroll-behavior: contain !important;
}

/* Mobile menu header */
.mobile-menu-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 1.25rem 1.5rem !important;
    border-bottom: 1px solid rgba(168, 143, 29, 0.2) !important;
    background: rgba(0, 0, 0, 0.2) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    backdrop-filter: blur(10px) !important;
}

.mobile-menu-title {
    font-size: 1.125rem !important;
    font-weight: 600 !important;
    color: white !important;
    margin: 0 !important;
}

.mobile-menu-close {
    width: 2.5rem !important;
    height: 2.5rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 8px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    border: none !important;
    color: white !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    transform: scale(1.05) !important;
}

/* Mobile nav */
.mobile-nav-modern {
    list-style: none !important;
    margin: 0 !important;
    padding: 1rem !important;
}

.mobile-nav-modern > li {
    margin-bottom: 0.5rem !important;
}

.mobile-nav-modern > li > a,
.mobile-nav-modern .sub-menu > li > a {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 1rem 1.25rem !important;
    color: rgba(255, 255, 255, 0.95) !important;
    font-size: 0.9375rem !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    border-radius: 10px !important;
    background: rgba(255, 255, 255, 0.05) !important;
    transition: all 0.2s ease !important;
    position: relative !important;
}

.mobile-nav-modern > li > a:active {
    transform: scale(0.98) !important;
}

.mobile-nav-modern > li.current-menu-item > a {
    background: rgba(168, 143, 29, 0.2) !important;
    color: var(--accent-gold) !important;
    font-weight: 600 !important;
}

/* Toggle button for submenu */
.mobile-submenu-toggle {
    width: 2rem !important;
    height: 2rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 6px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    border: none !important;
    color: white !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    flex-shrink: 0 !important;
}

.mobile-submenu-toggle:active {
    transform: scale(0.95) !important;
}

.mobile-submenu-toggle i {
    font-size: 0.75rem !important;
    transition: transform 0.3s ease !important;
}

.mobile-submenu-toggle[aria-expanded="true"] i {
    transform: rotate(180deg) !important;
}

/* Mobile submenu */
.mobile-nav-modern .sub-menu {
    list-style: none !important;
    margin: 0.5rem 0 0 0 !important;
    padding: 0 0 0 1rem !important;
    border-left: 2px solid rgba(168, 143, 29, 0.3) !important;
    display: none !important;
}

.mobile-nav-modern .sub-menu.is-open {
    display: block !important;
}

.mobile-nav-modern .sub-menu > li {
    margin-bottom: 0.375rem !important;
}

.mobile-nav-modern .sub-menu > li > a {
    padding: 0.75rem 1rem !important;
    font-size: 0.875rem !important;
    font-weight: 400 !important;
    background: rgba(255, 255, 255, 0.03) !important;
}

.mobile-nav-modern .sub-menu > li > a:hover {
    background: rgba(168, 143, 29, 0.15) !important;
    color: var(--accent-gold) !important;
}

/* Backdrop */
.mobile-menu-backdrop {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0, 0, 0, 0.6) !important;
    z-index: 9998 !important;
    backdrop-filter: blur(4px) !important;
}

/* Hamburger button */
.mobile-menu-button {
    width: 2.75rem !important;
    height: 2.75rem !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.375rem !important;
    border-radius: 8px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.mobile-menu-button:hover {
    background: rgba(255, 255, 255, 0.15) !important;
}

.mobile-menu-button span {
    width: 1.25rem !important;
    height: 2px !important;
    background: white !important;
    border-radius: 2px !important;
    transition: all 0.3s ease !important;
}

.mobile-menu-button.is-open span:nth-child(1) {
    transform: translateY(0.5rem) rotate(45deg) !important;
}

.mobile-menu-button.is-open span:nth-child(2) {
    opacity: 0 !important;
}

.mobile-menu-button.is-open span:nth-child(3) {
    transform: translateY(-0.5rem) rotate(-45deg) !important;
}

/* ══════════════════════════════════════════════════════════
   ACCESSIBILITY & FOCUS STATES
   ══════════════════════════════════════════════════════════ */

.nav-modern a:focus-visible,
.mobile-nav-modern a:focus-visible,
.mobile-menu-close:focus-visible,
.mobile-submenu-toggle:focus-visible {
    outline: 2px solid var(--accent-gold) !important;
    outline-offset: 2px !important;
}

/* ══════════════════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════════════════ */

/* Slide in from right */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Fade in backdrop */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Stagger animation for mobile menu items */
.mobile-nav-modern > li {
    animation: fadeInUp 0.4s ease-out backwards;
}

.mobile-nav-modern > li:nth-child(1) { animation-delay: 0.05s; }
.mobile-nav-modern > li:nth-child(2) { animation-delay: 0.1s; }
.mobile-nav-modern > li:nth-child(3) { animation-delay: 0.15s; }
.mobile-nav-modern > li:nth-child(4) { animation-delay: 0.2s; }
.mobile-nav-modern > li:nth-child(5) { animation-delay: 0.25s; }
.mobile-nav-modern > li:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ══════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
    .mobile-menu-container {
        max-width: 100% !important;
    }
}

@media (min-width: 1024px) {
    .mobile-menu-button,
    .mobile-menu-container,
    .mobile-menu-backdrop {
        display: none !important;
    }
}

/* ══════════════════════════════════════════════════════════
   PERFORMANCE OPTIMIZATIONS
   ══════════════════════════════════════════════════════════ */

.nav-modern,
.nav-modern *,
.mobile-nav-modern,
.mobile-nav-modern * {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    will-change: auto;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}