/* Animations and Effects for Portfolio */

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

@keyframes slideUpFade {
    from { 
        opacity: 0; 
        transform: translateY(30px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from { 
        opacity: 0; 
        transform: translateX(50px);
    }
    to { 
        opacity: 1; 
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from { 
        opacity: 0; 
        transform: translateX(-50px);
    }
    to { 
        opacity: 1; 
        transform: translateX(0);
    }
}

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

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

/* Typewriter effect */
@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

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

/* Element appear animations for scroll effects */
.animate {
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.5, 0, 0, 1);
}

.animate.fade-in {
    opacity: 1;
}

.animate.slide-up {
    transform: translateY(50px);
}

.animate.slide-up.fade-in {
    transform: translateY(0);
}

.animate.slide-right {
    transform: translateX(-50px);
}

.animate.slide-right.fade-in {
    transform: translateX(0);
}

.animate.slide-left {
    transform: translateX(50px);
}

.animate.slide-left.fade-in {
    transform: translateX(0);
}

/* Animation delay classes */
.delay-1 {
    animation-delay: 0.2s;
    transition-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
    transition-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
    transition-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
    transition-delay: 0.8s;
}

/* Hero Section Animations */
.hero-text-animated {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    margin: 0;
    letter-spacing: .05em;
}

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

/* Page Loading Animation */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-transition.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Experience card animations */
.experience-card {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUpFadeIn 0.6s forwards;
    animation-delay: calc(var(--card-index, 0) * 0.2s);
}

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