/* ============================================
   NIROKA - Animations & Effects
   High-quality medical-grade animations
   ============================================ */

/* --- Scroll Reveal Animations --- */
[data-animate] {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-down"] {
    transform: translateY(-40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="zoom-in"] {
    transform: scale(0.9);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* --- Hero Animations --- */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-slide.active .fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* --- Pulse Animation for Icons --- */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.quick-card:hover .quick-icon {
    animation: pulse 0.6s ease;
}

/* --- Float Animation --- */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.experience-badge {
    animation: float 3s ease-in-out infinite;
}

/* --- Shimmer Effect for Cards --- */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(14, 138, 116, 0.03) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: var(--radius-md);
}

.service-card:hover::after {
    opacity: 1;
    animation: shimmer 2s linear infinite;
}

/* --- Gradient Border Animation --- */
@keyframes gradientBorder {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* --- WhatsApp Bounce --- */
@keyframes whatsappBounce {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-5px); }
    75% { transform: translateY(3px); }
}

.whatsapp-float {
    animation: whatsappBounce 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    animation: none;
}

/* --- Counter Animation --- */
@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Ripple Effect --- */
@keyframes ripple {
    0% { transform: scale(0); opacity: 0.5; }
    100% { transform: scale(4); opacity: 0; }
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    opacity: 0;
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn:active::after {
    animation: ripple 0.6s ease-out;
}

/* --- Navbar Scroll Animation --- */
.main-header {
    transition: all 0.3s ease;
}

.main-header.scrolled {
    padding: 0;
}

.main-header.scrolled .navbar {
    padding: 8px 0;
}

/* --- Card Hover Lift --- */
@keyframes cardLift {
    0% { box-shadow: var(--shadow-md); }
    100% { box-shadow: var(--shadow-xl); }
}

/* --- Loading Skeleton --- */
@keyframes skeletonLoad {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200px 100%;
    animation: skeletonLoad 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* --- Typing Effect for Hero (Optional) --- */
@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

/* --- Smooth Parallax for Hero Background --- */
@keyframes subtleZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.hero-slide.active {
    animation: subtleZoom 8s ease-out forwards;
}

/* --- Stagger Children --- */
.services-grid .service-card:nth-child(1) { transition-delay: 0ms; }
.services-grid .service-card:nth-child(2) { transition-delay: 100ms; }
.services-grid .service-card:nth-child(3) { transition-delay: 200ms; }
.services-grid .service-card:nth-child(4) { transition-delay: 300ms; }
.services-grid .service-card:nth-child(5) { transition-delay: 400ms; }
.services-grid .service-card:nth-child(6) { transition-delay: 500ms; }

/* --- Focus States (Accessibility) --- */
.btn:focus-visible,
.nav-link:focus-visible,
.quick-card:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

/* --- Reduced Motion Preference --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    [data-animate] {
        opacity: 1;
        transform: none;
    }
    
    .fade-in-up {
        opacity: 1;
        transform: none;
    }
    
    .hero-slide.active {
        animation: none;
    }
}

/* --- Page Transition --- */
@keyframes pageLoad {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

body {
    animation: pageLoad 0.5s ease-out;
}

/* --- Glow effect for primary buttons --- */
@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(14, 138, 116, 0.3); }
    50% { box-shadow: 0 0 20px rgba(14, 138, 116, 0.5); }
}

.btn-primary-nav {
    animation: glow 3s ease-in-out infinite;
}

/* --- Smooth scroll indicator --- */
@keyframes scrollDown {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.5; }
}

/* --- Testimonial slide transitions --- */
.testimonial-card {
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card.prev {
    transform: translateX(-30px);
    opacity: 0;
}

.testimonial-card.next {
    transform: translateX(30px);
    opacity: 0;
}