/* Efeitos extras (script.js — botões) */
.btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Hero — estatística Professor / docência */
.hero-content {
    position: relative;
    z-index: 2;
}

.hero-stats {
    flex-wrap: wrap;
    gap: 2rem 2.5rem;
    align-items: flex-start;
}

.stat-item--academic .stat-number {
    font-size: 1.85rem;
    letter-spacing: -0.02em;
}

.stat-item--academic .stat-label {
    max-width: 7rem;
    line-height: 1.35;
}

.hero-academic-note {
    margin: -1.25rem 0 2rem;
    padding: 0.85rem 1rem;
    max-width: 36rem;
    font-size: 0.875rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
    text-transform: none;
    letter-spacing: normal;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    border-left: 3px solid var(--cor-acento, #00d9ff);
}

.hero-academic-orgs {
    display: block;
    margin-top: 0.35rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

@media (min-width: 769px) {
    .hero-visual {
        z-index: 1;
    }

    .visual-card.card-2 {
        right: 0;
    }
}

@media (max-width: 768px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .stat-item--academic .stat-number {
        font-size: 1.35rem;
    }

    .stat-item--academic .stat-label {
        max-width: none;
        font-size: 0.65rem;
    }

    .hero-academic-note {
        margin-top: 0;
        font-size: 0.8125rem;
    }
}