/* ===========================================
   Navigation & Mega Menu Styles
   Extracted from inline <style> in index.html
   =========================================== */

/* ===== MOBILE NAV STABILITY FIX =====
   Prevents logo bar from collapsing/shifting on Android when
   address bar hides/shows and triggers viewport reflow.
===================================== */
#nav-wrapper {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    will-change: box-shadow;
}

#nav-wrapper>div:first-child {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

@media (max-width: 1023px) {
    #nav-wrapper>div:first-child {
        min-height: 0 !important;
        max-height: none;
    }
}

#pengumuman-bar {
    z-index: 40;
}

#pengumuman-bar.is-stuck {
    position: fixed;
    left: 0;
    right: 0;
    z-index: 40;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Skip Link Styling */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #003150;
    color: white;
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Focus visible for better keyboard navigation */
:focus-visible {
    outline: 3px solid #feb401;
    outline-offset: 2px;
}

/* Mega Menu Styles */
.hero-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    display: inline-block;
    margin: 0 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-pagination .swiper-pagination-bullet-active {
    background: rgba(255, 255, 255, 1);
    width: 24px;
    border-radius: 4px;
}

.mega-panel {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
}

.mega-panel.active {
    opacity: 1;
    visibility: visible;
}

/* Overlay transition */
#mega-overlay {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

#mega-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mega-link-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
    background: white;
    transition: all 0.2s ease;
}

.mega-link-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.mega-link-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.nav-menu-btn.active {
    background: rgba(255, 255, 255, 0.9);
    color: #1e40af;
}

.nav-menu-btn:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Mega menu positioning - no gap */
#main-nav {
    position: relative;
}

#mega-menu-container {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    pointer-events: none;
}

#mega-menu-container .mega-panel {
    pointer-events: auto;
}

/* Keep pointer bridge under nav to prevent hover loss */
.nav-menu-item {
    position: relative;
}

.nav-menu-item::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    right: 0;
    height: 12px;
}

/* ===== Luco Chatbot Animations ===== */
@keyframes slideInRight {
    from {
        transform: translateX(100px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        transform: translateY(10px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes lucoPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

#luco-container {
    animation: slideInRight 0.5s ease-out forwards;
}

#luco-bubble {
    animation: fadeInUp 0.3s ease-out forwards;
    width: min(18rem, calc(100vw - 2rem));
}

#luco-btn {
    animation: lucoPulse 2s ease-in-out infinite;
}

#luco-btn:hover {
    animation: none;
}

/* Typing indicator */
.typing-indicator span {
    display: inline-block;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-6px);
    }
}

/* Luco speech bubble arrow */
#luco-bubble .bubble-arrow {
    position: absolute;
    right: 24px;
    bottom: -6px;
    width: 12px;
    height: 12px;
    background: white;
    transform: rotate(45deg);
    border-right: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}
