/* ==========================================================================
   CK Soluções - Animations Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base Animation Classes
   -------------------------------------------------------------------------- */

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Fade In Left */
.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Fade In Right */
.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Scale In */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* --------------------------------------------------------------------------
   Staggered Delays for Group Animations
   -------------------------------------------------------------------------- */
.fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in:nth-child(2) { transition-delay: 100ms; }
.fade-in:nth-child(3) { transition-delay: 200ms; }
.fade-in:nth-child(4) { transition-delay: 300ms; }
.fade-in:nth-child(5) { transition-delay: 400ms; }
.fade-in:nth-child(6) { transition-delay: 500ms; }
.fade-in:nth-child(7) { transition-delay: 600ms; }
.fade-in:nth-child(8) { transition-delay: 700ms; }

/* For feature cards, problem items, etc. */
.about-features .feature-card:nth-child(1) { transition-delay: 0ms; }
.about-features .feature-card:nth-child(2) { transition-delay: 100ms; }
.about-features .feature-card:nth-child(3) { transition-delay: 200ms; }
.about-features .feature-card:nth-child(4) { transition-delay: 300ms; }

.factory-process .process-step:nth-child(1) { transition-delay: 0ms; }
.factory-process .process-step:nth-child(2) { transition-delay: 150ms; }
.factory-process .process-step:nth-child(3) { transition-delay: 300ms; }
.factory-process .process-step:nth-child(4) { transition-delay: 450ms; }

.problems-grid .problem-item:nth-child(1) { transition-delay: 0ms; }
.problems-grid .problem-item:nth-child(2) { transition-delay: 100ms; }
.problems-grid .problem-item:nth-child(3) { transition-delay: 200ms; }
.problems-grid .problem-item:nth-child(4) { transition-delay: 300ms; }
.problems-grid .problem-item:nth-child(5) { transition-delay: 400ms; }

.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; }

.audience-grid .audience-card:nth-child(1) { transition-delay: 0ms; }
.audience-grid .audience-card:nth-child(2) { transition-delay: 100ms; }
.audience-grid .audience-card:nth-child(3) { transition-delay: 200ms; }
.audience-grid .audience-card:nth-child(4) { transition-delay: 300ms; }
.audience-grid .audience-card:nth-child(5) { transition-delay: 400ms; }

.differentials-list .differential-item:nth-child(1) { transition-delay: 0ms; }
.differentials-list .differential-item:nth-child(2) { transition-delay: 100ms; }
.differentials-list .differential-item:nth-child(3) { transition-delay: 200ms; }
.differentials-list .differential-item:nth-child(4) { transition-delay: 300ms; }
.differentials-list .differential-item:nth-child(5) { transition-delay: 400ms; }
.differentials-list .differential-item:nth-child(6) { transition-delay: 500ms; }

.benefits-grid .benefit-card:nth-child(1) { transition-delay: 0ms; }
.benefits-grid .benefit-card:nth-child(2) { transition-delay: 80ms; }
.benefits-grid .benefit-card:nth-child(3) { transition-delay: 160ms; }
.benefits-grid .benefit-card:nth-child(4) { transition-delay: 240ms; }
.benefits-grid .benefit-card:nth-child(5) { transition-delay: 320ms; }
.benefits-grid .benefit-card:nth-child(6) { transition-delay: 400ms; }
.benefits-grid .benefit-card:nth-child(7) { transition-delay: 480ms; }

/* --------------------------------------------------------------------------
   Keyframe Animations
   -------------------------------------------------------------------------- */

/* Glow Pulse Effect */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.5);
    }
}

.glow-pulse {
    animation: glow-pulse 3s ease-in-out infinite;
}

/* Gradient Shift */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-animate {
    background-size: 200% 200%;
    animation: gradient-shift 8s ease infinite;
}

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.float {
    animation: float 4s ease-in-out infinite;
}

/* Rotate Animation */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.rotate {
    animation: rotate 20s linear infinite;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

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

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

.shimmer {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

/* Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--color-accent);
    }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid var(--color-accent);
    white-space: nowrap;
    animation: 
        typing 3s steps(40, end),
        blink-caret 0.75s step-end infinite;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

.bounce {
    animation: bounce 2s ease infinite;
}

/* Slide In Animations */
@keyframes slide-in-left {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slide-in-right {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slide-in-up {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slide-in-down {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Ripple Effect */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

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

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
}

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

/* --------------------------------------------------------------------------
   Counter Animation (Numbers)
   -------------------------------------------------------------------------- */
.stat-number {
    transition: all 0.3s ease;
}

.stat-number.counting {
    animation: count-pulse 0.3s ease;
}

@keyframes count-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* --------------------------------------------------------------------------
   Hero Specific Animations
   -------------------------------------------------------------------------- */
.hero-content .hero-badge {
    animation-delay: 0.2s;
}

.hero-content .hero-title {
    animation-delay: 0.4s;
}

.hero-content .hero-subtitle {
    animation-delay: 0.6s;
}

.hero-content .hero-buttons {
    animation-delay: 0.8s;
}

/* Initial state for hero elements */
.hero-content .fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: hero-fade-in 0.8s ease forwards;
}

@keyframes hero-fade-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Card Hover Animations
   -------------------------------------------------------------------------- */

/* Icon animation on hover */
.feature-card:hover .feature-icon,
.service-card:hover .service-icon,
.audience-card:hover .audience-icon,
.case-card:hover .case-icon {
    animation: icon-bounce 0.4s ease;
}

@keyframes icon-bounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Check icon animation */
.differential-item:hover .check-icon {
    animation: check-pop 0.3s ease;
}

@keyframes check-pop {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    50% {
        transform: scale(1.2) rotate(10deg);
    }
}

/* --------------------------------------------------------------------------
   Button Animations
   -------------------------------------------------------------------------- */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

/* --------------------------------------------------------------------------
   Navigation Animations
   -------------------------------------------------------------------------- */
.nav-menu {
    transition: all 0.3s ease;
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

/* --------------------------------------------------------------------------
   Form Animations
   -------------------------------------------------------------------------- */
.form-group input,
.form-group textarea {
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    transform: translateY(-2px);
}

/* Submit button loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* --------------------------------------------------------------------------
   Loading Screen Animations
   -------------------------------------------------------------------------- */
.loading-screen .loader-text {
    animation: loader-pulse 1.5s ease-in-out infinite;
}

@keyframes loader-pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(0.98);
    }
}

/* --------------------------------------------------------------------------
   Scroll Progress Bar (Optional Enhancement)
   -------------------------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* --------------------------------------------------------------------------
   Parallax Effect Helper
   -------------------------------------------------------------------------- */
.parallax {
    transition: transform 0.1s ease-out;
    will-change: transform;
}

/* --------------------------------------------------------------------------
   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;
        scroll-behavior: auto !important;
    }
    
    .fade-in,
    .fade-in-left,
    .fade-in-right,
    .scale-in {
        opacity: 1;
        transform: none;
    }
}