.hero-bg {
    background: linear-gradient(135deg, #0e7490 0%, #155e75 40%, #1e3a5f 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(6, 182, 212, 0.18) 0%, transparent 70%);
}

/* ---- Cards de benefícios ---- */
.benefit-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(14, 116, 144, 0.15);
}

/* ---- Tech badge ---- */
.tech-badge {
    transition: transform 0.25s, box-shadow 0.25s;
}

.tech-badge:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(14, 116, 144, 0.2);
}

/* ---- FAQ accordion ---- */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.3s ease;
    opacity: 0;
}

.faq-answer.open {
    max-height: 400px;
    opacity: 1;
}

/* ---- Pulse WhatsApp ---- */
@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    70% { transform: scale(1.4); opacity: 0; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* ---- Widget WhatsApp fixo ---- */
#wpp-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    font-family: system-ui, sans-serif;
}

/* ---- Botão serviço WhatsApp hover ---- */
.service-btn:hover {
    background: #dcfce7 !important;
    transform: scale(1.02);
}

/* ---- Setas de fluxo (seção "Como Funciona") ---- */
.arrow-down  { display: block; }
.arrow-right { display: none; }

@media (min-width: 768px) {
    .arrow-down  { display: none; }
    .arrow-right { display: block; }
}