body {
    font-family: "Space Grotesk", sans-serif;
    background-image: url(../images/hero-background3.jpg);
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
}
.glass-effect {
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.glow-hover:hover {
    box-shadow: 0 0 40px rgba(19, 91, 236, 0.3);
    border-color: rgba(19, 91, 236, 0.5);
}
.card-glass {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.section-overlay {
    background: rgba(0, 0, 0, 0.2);
}
.material-symbols-outlined {
    font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
}
.fill-1 {
    font-variation-settings: "FILL" 1;
}

.chat-msg-user {
    background: rgba(19, 91, 236, 0.25);
    border: 1px solid rgba(19, 91, 236, 0.4);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    margin-left: auto;
    max-width: 85%;
}
.chat-msg-assistant {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    max-width: 85%;
}
.chat-msg-assistant p { margin: 0 0 0.5rem; }
.chat-msg-assistant p:last-child { margin-bottom: 0; }

/* Voice agent: gating messages and loading state */
#voice-agent-modal .voice-agent-msg.hidden { display: none; }
#voice-agent-modal .voice-agent-msg { display: block; }
#voice-agent-modal .voice-agent-msg--error { color: #dc2626; }
#voice-agent-modal .voice-agent-msg--limit { color: #b45309; }
#voice-agent-modal #start-call[aria-busy="true"] .voice-agent-start-label { opacity: 0.9; }