/* Cena de conversa do hero: uma linha do tempo de 12s em laco. */
.chat-scene {
    width: min(400px, 100%);
    margin-left: auto;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm);
    backdrop-filter: blur(6px);
}

.chat-top {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.35rem 0.35rem var(--space-sm);
    border-bottom: 1px solid var(--ink-line);
    margin-bottom: var(--space-sm);
}

.chat-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--amber);
    color: var(--ink);
    display: grid;
    place-items: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.05rem;
    flex-shrink: 0;
}

.chat-who {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
    min-width: 0;
}

.chat-who strong {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
}

.chat-online {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

.chat-online::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #34d399;
}

.chat-clock {
    margin-left: auto;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    font-variant-numeric: tabular-nums;
}

.chat-body {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    min-height: 232px;
}

/* O paragrafo tem margem global; aqui o espacamento vem so do gap. */
.chat-body p {
    margin-bottom: 0;
}

.bubble {
    max-width: 84%;
    padding: 0.7rem 0.95rem;
    border-radius: 16px;
    font-size: 0.94rem;
    line-height: 1.45;
    opacity: 0;
}

.bubble--in {
    align-self: flex-start;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-bottom-left-radius: 5px;
    animation: bubble-in 12s infinite;
}

.bubble--out {
    align-self: flex-end;
    background-color: var(--amber);
    color: var(--ink);
    font-weight: 500;
    border-bottom-right-radius: 5px;
    animation: bubble-out 12s infinite;
}

.typing {
    align-self: flex-end;
    display: flex;
    gap: 4px;
    padding: 0.8rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    border-bottom-right-radius: 5px;
    opacity: 0;
    animation: typing-window 12s infinite;
}

.typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.7);
    animation: typing-dot 1.2s infinite;
}

.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }

.chat-badge {
    align-self: flex-end;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--amber);
    opacity: 0;
    animation: badge-in 12s infinite;
}

.chat-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--amber);
}

/* Linha do tempo: entra, segura, sai, espera o proximo ciclo. */
@keyframes bubble-in {
    0%, 3% { opacity: 0; transform: translateY(10px); }
    7%, 86% { opacity: 1; transform: translateY(0); }
    94%, 100% { opacity: 0; transform: translateY(-6px); }
}

@keyframes typing-window {
    0%, 11% { opacity: 0; transform: translateY(10px); }
    15%, 27% { opacity: 1; transform: translateY(0); }
    30%, 100% { opacity: 0; transform: translateY(0); }
}

@keyframes bubble-out {
    0%, 30% { opacity: 0; transform: translateY(10px); }
    35%, 86% { opacity: 1; transform: translateY(0); }
    94%, 100% { opacity: 0; transform: translateY(-6px); }
}

@keyframes badge-in {
    0%, 37% { opacity: 0; }
    42%, 86% { opacity: 1; }
    94%, 100% { opacity: 0; }
}

@keyframes typing-dot {
    0%, 60%, 100% { opacity: 0.35; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-3px); }
}

/* Sem animacao: mostra o estado final da conversa. */
@media (prefers-reduced-motion: reduce) {
    .bubble--in,
    .bubble--out,
    .chat-badge {
        animation: none;
        opacity: 1;
    }

    .typing {
        display: none;
    }

    .typing span {
        animation: none;
    }
}

/* No empilhamento do hero a cena passa a alinhar pela esquerda. */
@media (max-width: 900px) {
    .chat-scene {
        margin-left: 0;
        margin-right: auto;
    }
}