/* ==========================================================================
   Animations - Keyframes and animation utilities
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero Background Animation
   -------------------------------------------------------------------------- */
@keyframes hero-bg-rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes float-delayed {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

/* --------------------------------------------------------------------------
   Pulse & Glow Effects
   -------------------------------------------------------------------------- */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
    }

    50% {
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.4);
    }
}

@keyframes subtle-glow {

    0%,
    100% {
        opacity: 0.8;
    }

    50% {
        opacity: 1;
    }
}

/* --------------------------------------------------------------------------
   Fade In Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }

    70% {
        transform: scale(1.05);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* --------------------------------------------------------------------------
   Slide Animations
   -------------------------------------------------------------------------- */
@keyframes slideInFromBottom {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

@keyframes slideInFromTop {
    from {
        transform: translateY(-100%);
    }

    to {
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Typing Cursor
   -------------------------------------------------------------------------- */
@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.typing-cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background-color: var(--color-accent-primary);
    margin-left: 4px;
    animation: blink 1s infinite;
}

/* --------------------------------------------------------------------------
   Gradient Flow
   -------------------------------------------------------------------------- */
@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.animated-gradient {
    background-size: 200% 200%;
    animation: gradientFlow 5s ease infinite;
}

/* --------------------------------------------------------------------------
   Shimmer Effect (for loading states)
   -------------------------------------------------------------------------- */
@keyframes shimmer {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

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

.shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent);
    animation: shimmer 2s infinite;
}

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

    to {
        transform: rotate(360deg);
    }
}

@keyframes rotate-reverse {
    from {
        transform: rotate(360deg);
    }

    to {
        transform: rotate(0deg);
    }
}

/* --------------------------------------------------------------------------
   Wave Animation (for decorative elements)
   -------------------------------------------------------------------------- */
@keyframes wave {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-5px) rotate(-5deg);
    }

    75% {
        transform: translateY(5px) rotate(5deg);
    }
}

/* --------------------------------------------------------------------------
   Animation Utility Classes
   -------------------------------------------------------------------------- */
.animate-fadeIn {
    animation: fadeIn 0.5s ease forwards;
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease forwards;
}

.animate-fadeInDown {
    animation: fadeInDown 0.5s ease forwards;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.5s ease forwards;
}

.animate-fadeInRight {
    animation: fadeInRight 0.5s ease forwards;
}

.animate-scaleIn {
    animation: scaleIn 0.5s ease forwards;
}

.animate-popIn {
    animation: popIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

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

/* Animation Delays */
.animate-delay-100 {
    animation-delay: 100ms;
}

.animate-delay-200 {
    animation-delay: 200ms;
}

.animate-delay-300 {
    animation-delay: 300ms;
}

.animate-delay-400 {
    animation-delay: 400ms;
}

.animate-delay-500 {
    animation-delay: 500ms;
}

.animate-delay-600 {
    animation-delay: 600ms;
}

.animate-delay-700 {
    animation-delay: 700ms;
}

.animate-delay-800 {
    animation-delay: 800ms;
}

/* Pause animations when reduced motion is preferred */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}