/* ============================================================
   LKSA Insan Harapan — Style & Animasi
   ============================================================ */

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #E2F5FE;
}

/* Font display untuk judul */
h1, h2, h3,
.font-display {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

/* ---------- Navbar ---------- */
.nav-scrolled {
    background-color: white !important;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.nav-scrolled #nav-brand,
.nav-scrolled #nav-links {
    color: #132539 !important;
}

.nav-scrolled #menu-toggle {
    color: #132539;
}

/* Link nav aktif (scrollspy) */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    height: 2px;
    width: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}
.nav-link.nav-active::after {
    width: 100%;
}
.nav-link.nav-active {
    opacity: 1;
}

.btn-primary:hover {
    background-color: #0d8cd9 !important;
}

/* ---------- Hero ---------- */
.hero-bg {
    animation: kenburns 20s ease-in-out infinite alternate;
}
@keyframes kenburns {
    from { transform: scale(1); }
    to   { transform: scale(1.12); }
}

/* Animasi masuk konten hero */
.hero-anim {
    opacity: 0;
    transform: translateY(24px);
    animation: heroIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: var(--d, 0ms);
}
@keyframes heroIn {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(8px); }
}
.animate-bounce-slow {
    animation: bounce-slow 2s ease-in-out infinite;
}

@keyframes ping-slow {
    0%   { transform: scale(1); opacity: 0.5; }
    75%, 100% { transform: scale(1.6); opacity: 0; }
}
.animate-ping-slow {
    animation: ping-slow 2.2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* ---------- Scroll Reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Galeri ---------- */
.gallery-item {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 1.5rem;
    overflow: hidden;
    border: 1px solid #E2F5FE;
    cursor: pointer;
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.08);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(19, 37, 57, 0);
    transition: background-color 0.5s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover .gallery-overlay {
    background-color: rgba(19, 37, 57, 0.45);
}

.gallery-btn {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s, transform 0.4s;
    background-color: rgba(226, 245, 254, 0.2);
    backdrop-filter: blur(8px);
    padding: 0.6rem 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.gallery-item:hover .gallery-btn {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Lightbox image transition ---------- */
#lb-image {
    transition: opacity 0.2s ease;
}

/* ---------- Skeleton loading blog ---------- */
.blog-skeleton {
    background: linear-gradient(100deg, #eef5fa 30%, #dcebf5 50%, #eef5fa 70%);
    background-size: 200% 100%;
    animation: shimmer 1.4s ease-in-out infinite;
    border: 1px solid #E2F5FE;
}
@keyframes shimmer {
    from { background-position: 200% 0; }
    to   { background-position: -200% 0; }
}

/* ---------- Aksesibilitas: hormati preferensi reduce motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
    .hero-anim { opacity: 1; transform: none; }
}