/* Premium Animations & Effects */

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Hero section parallax */
.hero-parallax {
    position: relative;
    overflow: hidden;
}

.hero-parallax::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    transform: translateZ(-1px) scale(1.5);
    z-index: -1;
}

/* Card hover effects */
.tour-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform: translateY(0);
}

.tour-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* Fade in animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

/* Premium button hover */
.btn-premium {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-premium::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.btn-premium:hover::after {
    width: 300px;
    height: 300px;
}

/* Image lazy load effect */
.lazy-image {
    filter: blur(10px);
    transition: filter 0.5s;
}

.lazy-image.loaded {
    filter: blur(0);
}

/* Micro-interactions */
.interactive-element {
    transition: transform 0.2s ease;
}

.interactive-element:active {
    transform: scale(0.95);
}

/* Smooth accordion */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.accordion-content.open {
    max-height: 1000px;
}

/* Number counter animation */
@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.counter {
    animation: countUp 1s ease-out;
}

/* Wave animation for water effect */
@keyframes wave {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.wave-element {
    animation: wave 3s ease-in-out infinite;
}

/* Glow effect for CTA */
@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(39, 174, 96, 0.4); }
    50% { box-shadow: 0 0 30px rgba(39, 174, 96, 0.8); }
}

.cta-glow {
    animation: glow 2s ease-in-out infinite;
}