.btn-outline-navy {
    color: var(--navy-blue);
    border-color: var(--navy-blue);
}
.btn-outline-navy:hover {
    background-color: var(--navy-blue);
    color: white;
}

/* ── Botón región base ── */
.btn-region {
    background-color: #f8f9fa;
    border: 2px solid var(--navy-blue);
    color: var(--navy-blue);
    padding: 12px;
    font-weight: 600;
    transition: all 0.3s;
}
.btn-region:hover {
    background-color: var(--navy-blue);
    color: white;
    transform: translateY(-2px);
}
.btn-region.active {
    background-color: var(--navy-blue);
    color: white;
    border-color: var(--navy-blue);
}

/* ── Animaciones de contenido ── */
.region-content  { animation: fadeInR 0.3s ease; }
.contenido-info  { animation: fadeIn  0.4s ease-in; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInR {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Botón región voluntariado (con ripple) ── */
.btn-region-vol {
    background: #fff;
    color: #393f6f;
    border: 2px solid #d0d5e8;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 11px 22px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease,
                border-color 0.2s ease, transform 0.2s ease,
                box-shadow 0.2s ease;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    overflow: hidden;
}
.btn-region-vol::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.15);
    opacity: 0;
    transition: opacity 0.2s ease;
}
.btn-region-vol:hover::after { opacity: 1; }
.btn-region-vol:hover {
    background: #393f6f;
    color: #fff;
    border-color: #393f6f;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 6px 18px rgba(57,63,111,0.25);
}
.btn-region-vol:hover i { color: #EFB815 !important; }
.btn-region-vol:active {
    transform: translateY(0) scale(0.97);
    box-shadow: 0 2px 6px rgba(57,63,111,0.15);
}
.btn-region-vol.activo {
    background: #EFB815;
    color: #fff;
    border-color: #EFB815;
    box-shadow: 0 4px 14px rgba(239,184,21,0.4);
    transform: translateY(-2px);
}
.btn-region-vol.activo i { color: #fff !important; }
.btn-region-vol:focus,
.btn-region-vol:focus-visible { outline: none; box-shadow: none; }

/* ── Botón región sin contenido aún ── */
.btn-region-pronto {
    background: #f8f8f8;
    color: #aaa;
    border-color: #e0e0e0;
    font-style: italic;
}
.btn-region-pronto:hover {
    background: #888;
    border-color: #888;
    color: #fff;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}
.btn-region-pronto:hover i { color: #fff !important; }