/**
 * Tax Solutions SA - Animations
 */

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Fade In Variations */
.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in-down {
    animation: fadeInDown 0.6s ease forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease forwards;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale In */
.scale-in {
    animation: scaleIn 0.5s ease forwards;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   HOVER ANIMATIONS
   ============================================ */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(27, 63, 160, 0.3);
}

/* ============================================
   LOADING ANIMATIONS
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--neutral-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--neutral-200) 25%,
        var(--neutral-100) 50%,
        var(--neutral-200) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

/* ============================================
   BUTTON ANIMATIONS
   ============================================ */
.btn-animated {
    position: relative;
    overflow: hidden;
}

.btn-animated::before {
    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, height 0.6s;
}

.btn-animated:hover::before {
    width: 300px;
    height: 300px;
}

/* Arrow animation for links */
.arrow-right {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.arrow-right svg {
    transition: transform var(--transition-fast);
}

.arrow-right:hover svg {
    transform: translateX(5px);
}

/* ============================================
   NAVIGATION ANIMATIONS
   ============================================ */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: width var(--transition-fast), left var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    left: 0;
}

/* ============================================
   CARD ANIMATIONS
   ============================================ */
.card-hover-border {
    position: relative;
}

.card-hover-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-500);
    border-radius: inherit;
    opacity: 0;
    transform: scale(1.05);
    transition: all var(--transition-base);
    pointer-events: none;
}

.card-hover-border:hover::before {
    opacity: 1;
    transform: scale(1);
}

/* Image Zoom on Hover */
.img-zoom-container {
    overflow: hidden;
}

.img-zoom-container img {
    transition: transform var(--transition-slow);
}

.img-zoom-container:hover img {
    transform: scale(1.1);
}

/* ============================================
   COUNTER ANIMATION
   ============================================ */
.counter {
    font-variant-numeric: tabular-nums;
}

/* ============================================
   TEXT ANIMATIONS
   ============================================ */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-underline-hover {
    position: relative;
    display: inline-block;
}

.text-underline-hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width var(--transition-base);
}

.text-underline-hover:hover::after {
    width: 100%;
}

/* ============================================
   STAGGERED ANIMATIONS
   ============================================ */
.stagger-children > * {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
   TESTIMONIAL SLIDER
   ============================================ */
.testimonial-slider {
    position: relative;
}

.testimonial-slide {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity var(--transition-slow);
}

.testimonial-slide.active {
    opacity: 1;
    position: relative;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--neutral-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active {
    background: var(--primary-500);
    transform: scale(1.2);
}

/* ============================================
   NOTIFICATION ANIMATIONS
   ============================================ */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-enter {
    animation: slideInRight 0.3s ease;
}

.toast-exit {
    animation: slideOutRight 0.3s ease forwards;
}

/* ============================================
   ACCORDION ANIMATION
   ============================================ */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base) ease-out;
}

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

/* ============================================
   FLOATING ANIMATION
   ============================================ */
.float {
    animation: float 3s ease-in-out infinite;
}

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

/* ============================================
   BOUNCE ANIMATION
   ============================================ */
.bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-8px);
    }
}

/* ============================================
   PAGE TRANSITION
   ============================================ */
.page-transition {
    animation: pageIn 0.4s ease;
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}