/* animations.css */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.section-heading,
.section-subheading {
    animation: fadeIn 0.6s ease forwards;
}

.parent-concerns .concern,
.key-benefits .benefit,
.trust-badges .badge,
.ortho-features .feature,
.reasons .reason,
.testimonial,
.steps .step {
    opacity: 0;
    transform: translateY(20px);
}

.parent-concerns .concern:nth-child(1),
.key-benefits .benefit:nth-child(1),
.trust-badges .badge:nth-child(1),
.ortho-features .feature:nth-child(1),
.reasons .reason:nth-child(1),
.testimonial:nth-child(1),
.steps .step:nth-child(1) {
    animation: fadeIn 0.5s ease 0.2s forwards;
}

.parent-concerns .concern:nth-child(2),
.key-benefits .benefit:nth-child(2),
.trust-badges .badge:nth-child(2),
.ortho-features .feature:nth-child(2),
.reasons .reason:nth-child(2),
.testimonial:nth-child(2),
.steps .step:nth-child(2) {
    animation: fadeIn 0.5s ease 0.4s forwards;
}

.parent-concerns .concern:nth-child(3),
.key-benefits .benefit:nth-child(3),
.trust-badges .badge:nth-child(3),
.ortho-features .feature:nth-child(3),
.reasons .reason:nth-child(3),
.testimonial:nth-child(3),
.steps .step:nth-child(3) {
    animation: fadeIn 0.5s ease 0.6s forwards;
}

.parent-concerns .concern:nth-child(4),
.key-benefits .benefit:nth-child(4),
.trust-badges .badge:nth-child(4),
.ortho-features .feature:nth-child(4),
.steps .step:nth-child(4) {
    animation: fadeIn 0.5s ease 0.8s forwards;
}

.cta-button {
    animation: pulse 2s infinite;
}

.hero-image img,
.tech-image img,
.mechanism-illustration img {
    animation: fadeIn 1s ease;
}

.question:hover {
    transform: translateY(-2px);
    transition: transform 0.3s ease;
}

.safety-note {
    animation: fadeIn 0.6s ease;
}