/* FLEX Project Page - Animations */

/* ========================================
   Fade Animations
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ========================================
   Scale Animations
   ======================================== */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/* ========================================
   Slide Animations
   ======================================== */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* ========================================
   Bounce & Float
   ======================================== */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

/* ========================================
   Shimmer & Glow
   ======================================== */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(37, 99, 235, 0.5),
                    0 0 10px rgba(37, 99, 235, 0.3);
    }
    50% {
        box-shadow: 0 0 10px rgba(37, 99, 235, 0.8),
                    0 0 20px rgba(37, 99, 235, 0.5),
                    0 0 30px rgba(37, 99, 235, 0.3);
    }
}

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

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

/* ========================================
   Progress & Loading
   ======================================== */
@keyframes progressBar {
    from {
        width: 0%;
    }
    to {
        width: 100%;
    }
}

@keyframes loadingDots {
    0%, 20% {
        opacity: 0;
    }
    40% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

/* ========================================
   Stagger Animations (for lists/grids)
   ======================================== */
.stagger-item {
    animation: fadeInUp 0.6s ease-out both;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }
.stagger-item:nth-child(7) { animation-delay: 0.7s; }
.stagger-item:nth-child(8) { animation-delay: 0.8s; }
.stagger-item:nth-child(9) { animation-delay: 0.9s; }

/* ========================================
   Utility Animation Classes
   ======================================== */
.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInDown {
    animation: fadeInDown 0.6s ease-out;
}

.animate-scaleIn {
    animation: scaleIn 0.4s ease-out;
}

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

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

.animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* ========================================
   Hover Effects
   ======================================== */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

.hover-glow:hover {
    animation: glow 1.5s ease-in-out infinite;
}

/* ========================================
   Loading Spinner
   ======================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f4f6;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ========================================
   Ripple Effect
   ======================================== */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

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

.ripple-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

/* ========================================
   Typewriter Effect
   ======================================== */
@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blinkCursor {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--text-color);
    }
}

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--text-color);
    white-space: nowrap;
    animation: 
        typewriter 3s steps(40) 1s 1 normal both,
        blinkCursor 0.75s step-end infinite;
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}