/* ========================================
   PLATAFORMA ISIS - ANIMATIONS
   Modern Animation Effects
   ======================================== */

/* ========================================
   KEYFRAMES
   ======================================== */

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes pulse-overlay {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotating {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes rotate-bg {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes glitch {
    0% {
        text-shadow: 0.05em 0 0 rgba(255, 0, 0, 0.75),
                    -0.025em -0.05em 0 rgba(0, 255, 0, 0.75),
                    0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }
    14% {
        text-shadow: 0.05em 0 0 rgba(255, 0, 0, 0.75),
                    -0.025em -0.05em 0 rgba(0, 255, 0, 0.75),
                    0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }
    15% {
        text-shadow: -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
                    0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
                    -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    49% {
        text-shadow: -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
                    0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
                    -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    50% {
        text-shadow: 0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
                    0.05em 0 0 rgba(0, 255, 0, 0.75),
                    0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    99% {
        text-shadow: 0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
                    0.05em 0 0 rgba(0, 255, 0, 0.75),
                    0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    100% {
        text-shadow: -0.025em 0 0 rgba(255, 0, 0, 0.75),
                    -0.025em -0.025em 0 rgba(0, 255, 0, 0.75),
                    -0.025em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes zoom-in {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce-in {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes neon-pulse {
    0%, 100% {
        text-shadow: 0 0 10px var(--neon-blue),
                     0 0 20px var(--neon-blue),
                     0 0 30px var(--neon-blue);
    }
    50% {
        text-shadow: 0 0 20px var(--neon-blue),
                     0 0 40px var(--neon-blue),
                     0 0 60px var(--neon-blue);
    }
}

/* ========================================
   UTILITY ANIMATION CLASSES
   ======================================== */

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

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

.pulse-btn {
    animation: pulse-ring 2s infinite;
}

.glitch {
    animation: glitch 1s linear infinite;
}

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

.fade-in-up {
    animation: fade-in-up 1s ease-out;
}

.slide-in-left {
    animation: slide-in-left 0.8s ease-out;
}

.slide-in-right {
    animation: slide-in-right 0.8s ease-out;
}

.zoom-in {
    animation: zoom-in 0.6s ease-out;
}

.bounce {
    animation: bounce-in 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
}

/* ========================================
   SCROLL REVEAL ANIMATIONS
   ======================================== */

.fade-in-step {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.slide-up {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   HOVER EFFECTS
   ======================================== */

.glow-on-hover {
    position: relative;
    transition: all 0.3s ease;
}

.glow-on-hover::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    filter: blur(10px);
}

.glow-on-hover:hover::before {
    opacity: 1;
}

/* ========================================
   3D TILT EFFECT (Vanilla Tilt)
   ======================================== */

.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.03, 0.98, 0.52, 0.99);
}

.tilt-card:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(2deg) translateZ(10px);
}

/* ========================================
   TEXT EFFECTS
   ======================================== */

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.neon-glow {
    text-shadow: 0 0 10px var(--neon-blue),
                 0 0 20px var(--neon-blue),
                 0 0 30px var(--neon-blue);
}

.gold-glow {
    text-shadow: 0 0 10px var(--gold),
                 0 0 20px var(--gold-dark);
}

/* ========================================
   LOADING ANIMATIONS
   ======================================== */

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 217, 255, 0.2);
    border-top-color: var(--neon-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========================================
   RIPPLE EFFECT
   ======================================== */

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

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.ripple:active::after {
    width: 200px;
    height: 200px;
}

/* ========================================
   PARALLAX EFFECTS
   ======================================== */

.parallax {
    transition: transform 0.3s ease-out;
}

/* ========================================
   COUNTER ANIMATION
   ======================================== */

.counter {
    display: inline-block;
}

/* ========================================
   PAGE TRANSITIONS
   ======================================== */

.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: 99999;
    transform: translateY(-100%);
    transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

.page-transition.active {
    transform: translateY(0);
}

/* ========================================
   STAGGER ANIMATIONS
   ======================================== */

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* ========================================
   RESPONSIVE ANIMATIONS
   ======================================== */

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

/* Disable complex animations on mobile for performance */
@media (max-width: 768px) {
    .floating,
    .rotating,
    .glitch {
        animation: none;
    }
    
    .project-bg-animation {
        animation: none;
    }
}