/* ===== REVEAL ANIMATIONS ===== */
.reveal-fade-up,
.reveal-fade-down,
.reveal-fade-left,
.reveal-fade-right,
.reveal-fade,
.reveal-scale-in {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-fade-up {
    transform: translateY(40px);
}

.reveal-fade-down {
    transform: translateY(-40px);
}

.reveal-fade-left {
    transform: translateX(-40px);
}

.reveal-fade-right {
    transform: translateX(40px);
}

.reveal-scale-in {
    transform: scale(0.92);
}

.reveal-fade {
    transform: none;
}

.reveal-fade-up.visible,
.reveal-fade-down.visible,
.reveal-fade-left.visible,
.reveal-fade-right.visible,
.reveal-scale-in.visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

.reveal-text {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
                transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grid children */
.stagger-1 { transition-delay: 0.1s !important; }
.stagger-2 { transition-delay: 0.2s !important; }
.stagger-3 { transition-delay: 0.3s !important; }
.stagger-4 { transition-delay: 0.4s !important; }
.stagger-5 { transition-delay: 0.5s !important; }
.stagger-6 { transition-delay: 0.6s !important; }

/* ===== PARALLAX ===== */
.parallax-bg {
    will-change: transform;
}

/* ===== SCROLL INDICATOR ===== */
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-indicator {
    animation: bounce 2s infinite;
}

/* ===== NAV TRANSITION ===== */
.navbar {
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

.navbar.scrolled {
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
}

/* ===== COUNTRY MAP INTERACTION ===== */
.east-africa-map .country {
    transition: filter 0.3s ease, stroke-width 0.3s ease;
}

/* ===== FORM FEEDBACK ANIMATION ===== */
.form-feedback {
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== LIGHTBOX TRANSITION ===== */
.lightbox {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

/* ===== MODAL TRANSITIONS ===== */
.modal-overlay {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

/* ===== GALLERY ITEM HOVER ===== */
.gallery-item {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* ===== BUTTON RIPPLE ===== */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

/* ===== COUNTRY TAB TRANSITION ===== */
.country-tab,
.accommodation-tab,
.gallery-filter {
    transition: all 0.3s ease;
}

/* ===== DESTINATION CARD IMAGE REVEAL ===== */
.destination-card-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--charcoal);
    z-index: 1;
    transform: scaleX(1);
    transform-origin: right;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.destination-card.visible .destination-card-image::before {
    transform: scaleX(0);
}

/* ===== IMAGE REVEAL ===== */
.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--charcoal);
    transform: scaleX(1);
    transform-origin: right;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.image-reveal.visible::after {
    transform: scaleX(0);
}

/* ===== HERO TEXT STAGGER ===== */
.hero-title {
    animation: heroFadeUp 1s ease 0.3s both;
}

.hero-subtitle {
    animation: heroFadeUp 1s ease 0.6s both;
}

.hero-buttons {
    animation: heroFadeUp 1s ease 0.9s both;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== COUNTRY DETAIL TRANSITION ===== */
.country-detail {
    transition: all 0.4s ease;
}

/* ===== PACKAGE CARD STAGGER ===== */
.package-card.reveal-scale-in {
    transition-delay: calc(var(--stagger-index, 0) * 0.1s);
}

/* ===== TESTIMONIAL STAGGER ===== */
.testimonial-card.reveal-fade-up {
    transition-delay: calc(var(--stagger-index, 0) * 0.15s);
}

/* ===== FEATURE CARD STAGGER ===== */
.feature-card.reveal-fade-up {
    transition-delay: calc(var(--stagger-index, 0) * 0.1s);
}

/* ===== SAFARI CARD STAGGER ===== */
.safari-card.reveal-scale-in {
    transition-delay: calc(var(--stagger-index, 0) * 0.1s);
}

/* ===== ACTIVITY CARD STAGGER ===== */
.activity-card {
    transition-delay: calc(var(--stagger-index, 0) * 0.05s);
}

/* ===== SECTION TRANSITIONS ===== */
.section {
    transition: background 0.5s ease;
}

/* ===== NAV LINK ACTIVE STATE ===== */
.nav-link.active {
    color: var(--green-deep);
}

.nav-link.active::after {
    width: 100%;
}

/* ===== TOP BAR SCROLL BEHAVIOR ===== */
.top-bar {
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.top-bar.hide-top-bar {
    transform: translateY(-100%);
    opacity: 0;
}

/* ===== LOADING SKELETON ===== */
.skeleton {
    background: linear-gradient(90deg, var(--sand) 25%, var(--sand-warm) 50%, var(--sand) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--sand);
}

::-webkit-scrollbar-thumb {
    background: var(--earth-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--earth);
}

/* ===== SELECTION STYLE ===== */
::selection {
    background: var(--gold);
    color: var(--charcoal);
}

/* ===== COUNTRY TAB SWITCH ANIMATION ===== */
.destinations-grid {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== ACCOMMODATION TAB SWITCH ===== */
.accommodation-grid {
    animation: fadeIn 0.4s ease;
}

/* ===== GALLERY FILTER TRANSITION ===== */
.gallery-item {
    animation: fadeIn 0.4s ease;
}

/* ===== FORM INPUT AUTOCOMPLETE ===== */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text);
    -webkit-box-shadow: 0 0 0px 1000px var(--white) inset;
    transition: background-color 5000s ease-in-out 0s;
}