/* Animations */
@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

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

/* Modal animations */
.modal {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.modal.active {
    opacity: 1;
    transform: scale(1);
}

/* Glitch effect for text */
.glitch-text {
    position: relative;
    animation: glitch 5s infinite;
}

@keyframes glitch {
    0%, 80%, 100% {
        transform: none;
        opacity: 1;
    }
    91% {
        transform: translate(-2px, 0);
        color: var(--primary);
        opacity: 0.8;
    }
    92% {
        transform: translate(2px, -2px);
        color: var(--accent);
    }
    93% {
        transform: translate(0, 2px);
        color: var(--secondary);
    }
    94% {
        transform: translate(-2px, -2px);
        color: var(--light-accent);
    }
    95% {
        transform: translate(2px, 2px);
        color: var(--primary);
    }
    96% {
        transform: none;
    }
}

/* Typewriter effect */
.typewriter {
    overflow: hidden;
    border-right: 0.15em solid var(--accent);
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: 0.15em;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

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

/* Skill tag animations */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 231, 86, 0);
    }
}

.skill-btn.active {
    animation: none;
}

@keyframes appear {
    0%, 100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.skill-description.active {
    animation: appear 0.3s forwards;
}

/* Floating animation for hero pixels */
@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-10px) translateX(5px);
    }
    50% {
        transform: translateY(0) translateX(10px);
    }
    75% {
        transform: translateY(10px) translateX(5px);
    }
}

/* Shine effect animation */
@keyframes shine {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

.skill-btn.active {
    background-image: none;
    background-color: var(--accent);
    animation: none;
}