/* Pulse Animation */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Floating Animation */
@keyframes floating {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

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

/* Gradient Background Animation */
@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-animation {
    background: linear-gradient(-45deg, #6c5ce7, #00cec9, #fd79a8, #6c5ce7);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

/* Button Hover Animation */
.btn-start-test::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn-start-test:hover::before {
    left: 100%;
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.rotate {
    animation: rotate 2s linear infinite;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

.bounce {
    animation: bounce 2s infinite;
}

/* Step Active Animation */
.step.active .step-icon {
    animation: pulse 1.5s infinite;
}

/* Result Card Glow */
.result-card.ping {
    border-top: 3px solid var(--primary-color);
}

.result-card.download {
    border-top: 3px solid var(--success-color);
}

.result-card.upload {
    border-top: 3px solid var(--secondary-color);
}

/* Loading Animation */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

/* Text Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typing-text {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid var(--primary-color);
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

/* Wave Animation */
@keyframes wave {
    0% {
        transform: rotate(0deg);
    }
    10% {
        transform: rotate(14deg);
    }
    20% {
        transform: rotate(-8deg);
    }
    30% {
        transform: rotate(14deg);
    }
    40% {
        transform: rotate(-4deg);
    }
    50% {
        transform: rotate(10deg);
    }
    60% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

.wave {
    display: inline-block;
    animation: wave 2s infinite;
    transform-origin: 70% 70%;
}